ШИНА, СОДЕРЖАЩАЯ КОРДЫ КАРКАСНОЙ АРМАТУРЫ, ИМЕЮЩИЕ НИЗКУЮ ПРОНИЦАЕМОСТЬ, И ТЕКСТИЛЬНЫЕ НИТИ, СВЯЗАННЫЕ С КАРКАСНОЙ АРМАТУРОЙ

1. Шина с радиальной каркасной арматурой, состоящей, по меньшей мере, из одного слоя металлических усилительных элементов, расположенных между двумя каландровыми слоями эластомерной смеси, и содержащая арматуру гребня, над которой в радиальном направлении находится протектор, при этом упомянутый протектор соединен с двумя бортами посредством двух боковин, отличающаяся тем, что металлические усилительные элементы, по меньшей мере, одного слоя каркасной арматуры являются кордами, показывающими при так называемом тесте на проницаемость расход менее 20 см/мин, причем, по меньшей мере, один слой каркасной арматуры содержит, по меньшей мере, на одной стороне текстильные нити, причем, по меньшей мере, слой эластомерной смеси, контактирующий в осевом направлении с концом, по меньшей мере, радиально наиболее внутреннего слоя арматуры гребня и контактирующий с каркасной арматурой, представляет собой эластомерную смесь на основе натурального каучука или синтетического полиизопрена с преобладанием связей цис-1,4 и, в случае необходимости, по меньшей мере, одного другого диенового эластомера, при этом в случае купажа натуральный каучук или синтетический полиизопрен присутствуют в преобладающем количестве по сравнению с количеством другого или других используемых диеновых эластомеров, и усиливающий наполнитель, представляющий собой:(i) либо белый наполнитель типа кремнезема и/или глинозема, содержащий поверхностные функциональные группы SiOH и/или AlOH,выбираемый из группы, в которую входят осажденные или пирогенные кремнеземы, глиноземы или алюмосиликаты или сажи, модифицированные в ходе или после синтеза таким образом, чтобы покрывать, по мень РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B60C 9/08 (13) 2014 129 751 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014129751, 18.12.2012 (71) Заявитель(и): КОМПАНИ ЖЕНЕРАЛЬ ДЕЗ ЭТАБЛИССМАН МИШЛЕН (FR), МИШЛЕН РЕШЕРШ Э ТЕКНИК С.А. (CH) Приоритет(ы): (30) Конвенционный ...

Luftreifen

Bereitgestellt wird ein Luftreifen, der im Gewicht reduziert ist und in der Lage ist, die für jeden von einem Laufflächenbereich und Seitenbereichen gewünschte Steifigkeit sicherzustellen, indem eine gekrümmte Karkassenstruktur verwendet wird, bei der sich ein Winkel eines Karkassencordfadens im Laufflächenbereich und in den Seitenbereichen kontinuierlich verändert. Die beiden Abschlüsse (40A und 40B) einer Karkassenschicht (4) überlappen sich im Laufflächenbereich (Rt). Die Karkassenschicht (4) hat eine Dreifachschichtstruktur, die eine in Reifenradialrichtung im Laufflächenbereich am weitesten innen liegende Innenschicht (4A), eine in Reifenradialrichtung im Laufflächenbereich (Rt) am weitesten außen liegende Außenschicht (4B) und eine im Laufflächenbereich (Rt) zwischen der Innenschicht (4A) und der Außenschicht (4B) liegende Zwischenschicht (4C) umfasst. Ein Cordfadenwinkel (θ1) in der Karkassenschicht (4) in einem mittleren Laufflächenbereich (Rc) bezogen auf eine Reifenumfangsrichtung ...

COMPRISING TIRE OF the CABLES Of REINFORCEMENT OF CARCASS PRESENTING a LOW PERMEABILITY, AND TEXTILE WIRE ASSOCIATE WITH the REINFORCEMENT OF CARCASS

L'invention concerne un pneumatique à armature de carcasse radiale, constituée d'au moins une couche d'éléments de renforcement métalliques, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement, ladite bande de roulement étant réunie à deux bourrelets par l'intermédiaire de deux flancs. Selon l'invention, les éléments de renforcement métalliques d'au moins une couche de l'armature de carcasse sont des câbles présentant au test dit de perméabilité un débit inférieur à 20 cm /mn et au moins une couche de l'armature de carcasse est pourvue sur au moins une face de fils textiles, et au moins la couche de mélange élastomérique, axialement au contact de l'extrémité d'au moins la couche d'armature de sommet radialement la plus intérieure et au contact de l'armature de carcasse, est un mélange élastomérique à base de caoutchouc naturel ou de polyisoprène synthétique et d'une charge renforçante conférant une cohésion élevée.

TOP OF PNEUMATIC AIRCRAFT

Cette invention concerne un pneumatique pour avion, et, en particulier, son sommet qui comprend une bande de roulement (1), une armature de sommet (2) textile, une armature de carcasse (4) textile. Pour l'optimisation du nombre d'atterrissages, dans le plan équatorial, l'épaisseur de la bande de roulement (E1) est au moins égale à 1,1 fois l'épaisseur de l'armature de travail et de carcasse (E5) et est au moins égale à 1,5 fois l'épaisseur de l'armature de travail (E3), les éléments de renforcement des couches de travail (31, 32, 33) ayant une ténacité au moins égale à 90 cN/tex.

TIRE COMPRISING A CARCASS REINFORCEMENT SOFTENED

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins deux couches de sommet de travail d'éléments de renforcement. Selon l'invention, le pneumatique comprend additionnellement dans chaque épaule au moins une extrémité d'une couche d'éléments de renforcement, parallèles entre eux dans la couche et orientés circonférentiellement, ladite extrémité étant axialement extérieure aux extrémités desdites au moins deux couches de sommet de travail, les éléments de renforcement de l'armature de carcasse présentant un diamètre inférieur à 0.85 mm, et lesdits éléments de renforcement de l'armature de carcasse étant composés de fils de diamètre inférieur à 0.16 mm. The invention relates to a tire comprising a crown reinforcement consisting of at least two working crown layers of reinforcing elements. According to the invention, the tire additionally comprises in each shoulder at least one end of a layer of reinforcing elements, parallel to each other in the layer and oriented circumferentially, said end being axially external to the ends of said at least two vertex layers the reinforcing elements of the carcass reinforcement having a diameter of less than 0.85 mm, and said reinforcing elements of the carcass reinforcement being composed of threads of diameter less than 0.16 mm.

공기입 타이어

... 본 공기입(空氣入) 타이어(1)에서는, 벨트층(14)이, 타이어 둘레 방향에 대하여 절댓값으로 46[deg] 이상 80[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 내경(內徑) 측 교차 벨트(142) 및 외경 측 교차 벨트(143)와, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142) 및 외경 측 교차 벨트(143)의 사이에 배치되는 둘레 방향 보강층(145)과, 타이어 둘레 방향에 대하여 절댓값으로 10[deg] 이상 45[deg] 이하의 벨트 각도를 가지는 것과 함께 외경 측 교차 벨트(143)의 타이어 직경 방향 외측에 배치되는 부가 벨트(144)를 구비한다. 또한, 부가 벨트(144)와, 외경 측 교차 벨트(143)가, 다른 부호의 벨트 각도를 가진다.

공기입 타이어

... 공기입(空氣入) 타이어(1)는, 카커스(carcass)층(13)과, 카커스층(13)의 타이어 직경 방향 외측에 배치되는 벨트층(14)과, 벨트층(14)의 타이어 직경 방향 외측에 배치되는 트레드 고무(15)를 구비한다. 또한, 타이어 둘레 방향으로 연재(延在)하는 적어도 3개의 둘레 방향 주(主)홈(2)과, 이들의 둘레 방향 주홈(2)으로 구획되어 이루어지는 복수의 육부(陸部)(3)를 구비한다. 또한, 벨트층(14)이, 타이어 둘레 방향에 대하여 절댓값으로 51[deg] 이상 80[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 내경(內徑) 측 교차 벨트(142) 및 외경(外徑) 측 교차 벨트(143)와, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 둘레 방향 보강층(145)을 구비한다.

topo de pneumático para veículo pesado de tipo engenharia civil

PNEUMATIC TIRE

Provided is a pneumatic tire having improved anti-uneven wear performance and anti-wear performance. A pneumatic tire is provided with a belt and a tread, the belt and the tread being formed by sequentially arranging: a carcass which toroidally extends between a pair of bead cores; a tilted belt layer which is provided on the outside radially of the carcass and which is formed by covering cords with rubber, the cords extending oblique to the circumferential direction of the tire; circumferential belt layers which are formed by covering cords with rubber, the cords extending in the circumferential direction of the tire; and crossing belt layers which are formed by covering cords with rubber, the cords extending in the direction which is oblique to the circumferential direction of the tire and in which the cords of the different layers intersect each other. The tilted belt layer is disposed at at least a part of a center section. The width of the circumferential belt layers is greater than ...

TIRE COMPRISING CASING-REINFORCING CABLES HAVING LOW PERMEABILITY, AND FABRIC THREADS COMBINED WITH THE CASING REINFORCEMENT

The invention relates to a tire having a radial casing reinforcement consisting of at least one layer of metal reinforcement elements, said tire including a crown reinforcement, which is in turn radially covered by a tread that is joined to two beads via two sidewalls. According to the invention, the metal reinforcement elements of at least one layer of the casing reinforcement are cables having a flow rate of less than 20 cm3/min in the so-called permeability test, at least one layer of the casing reinforcement is provided on at least one surface consisting of fabric threads, and at least the elastomeric mixture layer, which is arranged radially outside the bead wire and which engages with the latter, consists of an elastomeric mixture containing natural or isoprene rubber and a reinforcing filler imparting high cohesion thereto.

ШИНА С НИЗКИМ СОДЕРЖАНИЕМ МЕТАЛЛА

Изобретение относится к конструкции шин колес для транспортных средств. Шина включает в себя слой каркаса и по меньшей мере одну кольцевую структуру, связанную со слоем каркаса. Шина дополнительно включает в себя область безметаллового кольцевого брекера, содержащую первый безметалловый слой брекера и второй безметалловый слой брекера. Шина также имеет безметалловый экранирующий слой брекера, размещенный радиально за пределами первого безметаллового слоя брекера и второго безметаллового слоя брекера. Шина также включает в себя безметалловый кольцевой протектор, который контактирует с дорогой, и пару боковин, связанных с по меньшей мере одной кольцевой структурой и безметалловым кольцевым протектором. Технический результат – улучшение эксплуатационных качеств шин. 3 н. и 17 з.п. ф-лы, 8 ил., 4 табл.

Luftreifen

Bereitgestellt wird ein Luftreifen, der im Gewicht reduziert ist und in der Lage ist, die für jeden von einem Laufflächenbereich und Seitenbereichen gewünschte Steifigkeit sicherzustellen, indem eine gekrümmte Karkassenstruktur verwendet wird, bei der sich ein Winkel eines Karkassencordfadens im Laufflächenbereich und in den Seitenbereichen kontinuierlich verändert. Die beiden Abschlüsse (40A und 40B) einer Karkassenschicht (4) überlappen sich im Laufflächenbereich (Rt). Die Karkassenschicht (4) hat eine Dreifachschichtstruktur, die eine in Reifenradialrichtung im Laufflächenbereich am weitesten innen liegende Innenschicht (4A), eine in Reifenradialrichtung im Laufflächenbereich (Rt) am weitesten außen liegende Außenschicht (4B) und eine im Laufflächenbereich (Rt) zwischen der Innenschicht (4A) und der Außenschicht (4B) liegende Zwischenschicht (4C) umfasst. Ein Cordfadenwinkel (θ1) in der Karkassenschicht (4) in einem mittleren Laufflächenbereich (Rc) bezogen auf eine Reifenumfangsrichtung ...

COMPRISING TIRE OF the CABLES Of REINFORCEMENT OF CARCASS PRESENTING a LOW PERMEABILITY, AND TEXTILE WIRE ASSOCIATE WITH the REINFORCEMENT OF CARCASS

L'invention concerne un pneumatique à armature de carcasse radiale, constituée d'au moins une couche d'éléments de renforcement métalliques, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement, ladite bande de roulement étant réunie à deux bourrelets par l'intermédiaire de deux flancs. Selon l'invention, les éléments de renforcement métalliques d'au moins une couche de l'armature de carcasse sont des câbles présentant au test dit de perméabilité un débit inférieur à 20 cm /mn et au moins une couche de l'armature de carcasse est pourvue sur au moins une face de fils textiles discontinus constitués de deux parties, une extrémité d'un fil textile étant positionnée sur le retournement de ladite au moins une couche d'éléments de renforcement autour des tringles et l'autre extrémité d'un fil textile étant radialement intérieur à la projection orthogonale de l'extrémité d'épaulement sur ladite au moins une face de ladite au moins une couche de l'armature de carcasse. The invention relates to a tire with a radial carcass reinforcement, consisting of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, itself capped radially with a tread, said tread being joined to two beads by means of two flanks. According to the invention, the metal reinforcing elements of at least one layer of the carcass reinforcement are cables presenting, in the so-called permeability test, a flow rate of less than 20 cm / min and at least one layer of the carcass reinforcement. is provided on at least one side with discontinuous textile yarns consisting of two parts, one end of a textile yarn being positioned on the upturn of said at least one layer of reinforcement elements around the rods and the other end of a textile yarn being radially interior to the orthogonal projection of the shoulder end on said at least one face of said at least ...

OBJECTS THAT INCLUDE SOIL FROM LOW-PERMEABILITY CARCASS, AND CENTRALIZING DEVICE VARIABLES

TIRE HAVING ARMATURES OF CABLES INCLUDE SOIL, AND VARYING THICKNESSES OF RUBBER MIXTURES

L'invention concerne un pneumatique à armature de carcasse radiale, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement. Selon l'invention, les éléments de renforcement métalliques de l'armature de carcasse sont des câbles frettés présentant au test dit de perméabilité un débit inférieur à 20 cm3/mn et sur la totalité du profil méridien du pneumatique, l'épaisseur de mélange caoutchouteux entre la surface intérieure de la cavité du pneumatique et le point d'un élément de renforcement métallique de l'armature de carcasse est comprise entre 1.0 mm et 3.0 mm.

공기입 타이어

... 본 공기입(空氣入) 타이어(1)에서는, 벨트층(14)이, 타이어 둘레 방향에 대하여 절댓값으로 46[deg] 이상 80[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 내경(內徑) 측 교차 벨트(142) 및 외경(外徑) 측 교차 벨트(143)와, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142) 및 외경 측 교차 벨트(143)의 사이에 배치되는 둘레 방향 보강층(145)과, 타이어 둘레 방향에 대하여 절댓값으로 10[deg] 이상 45[deg] 이하의 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142)의 타이어 직경 방향 내측에 배치되는 부가 벨트(144)를 구비한다. 또한, 부가 벨트(144)와 내경 측 교차 벨트(142)가, 다른 부호의 벨트 각도를 가진다.

PNEUMATIC TIRE

A belt layer (14) in this pneumatic tire (1) is equipped with: an inner-diameter-side intersecting belt (142) and an outer-diameter-side intersecting belt (143) which have belt angles having absolute values of 46-80°, inclusive, in relation to the circumferential direction of the tire, and have belt angles of opposite signs from one another; a circumferential-direction reinforcing layer (145) having a belt angle within the range of ±5° in relation to the circumferential direction of the tire, and positioned between the inner-diameter-side intersecting belt (142) and the outer-diameter-side intersecting belt (143); and an additional belt (144) having a belt angle having an absolute value of 10-45°, inclusive, in relation to the circumferential direction of the tire, and positioned to the inside of the inner-diameter-side intersecting belt (142) in the radial direction of the tire.

METHOD OF MANUFACTURING PNEUMATIC TIRE AND PNEUMATIC TIRE

A method of manufacturing a pneumatic tire includes preparing a belt forming member formed of belt cords arranged parallel and covered with rubber. In a development state, the belt forming member is formed into a parallelogram, so that in a state wound with the belt cords extending in a direction inclined at a cord angle θ, the belt forming member is formed into a circular cylindrical configuration where a belt-under diameter D is not smaller than 940 mm and not larger than 960 mm and a belt width W is not smaller than 270 mm and not larger than 310 mm, and the cord angle θ, the belt-under diameter D and the belt width W satisfy a relationship of 0.577 πD≦W/tanθ<1.07πD. The belt forming member is wound and joined at a joint portion where the inclined sides are brought into contact with each other.

PNEUMATIC TIRE FOR TWO-WHEELED MOTOR VEHICLE

A two-wheeled motor vehicle pneumatic tire (10) includes: a carcass layer (14) straddling a pair of bead portions (12); an inclined belt layer (18) that is disposed at a tire radial direction outer side of a crown portion (14C) of the carcass layer (14), and that includes a plurality of cords (18A) that are inclined with respect to the tire circumferential direction; and a spiral belt layer (20) that is disposed at the tire radial direction outer side of the inclined belt layer (18), and that is formed by winding a rubber-covered cord (20A) in a spiral shape in the tire circumferential direction.

ШИНА, СОДЕРЖАЩАЯ КОРДЫ КАРКАСНОЙ АРМАТУРЫ, ИМЕЮЩИЕ НИЗКУЮ ПРОНИЦАЕМОСТЬ, И ТЕКСТИЛЬНЫЕ НИТИ, СВЯЗАННЫЕ С КАРКАСНОЙ АРМАТУРОЙ

1. Шина с радиальной каркасной арматурой, состоящей, по меньшей мере, из одного слоя металлических усилительных элементов, расположенных между двумя каландровыми слоями эластомерной смеси, при этом упомянутая шина содержит арматуру гребня, над которой в радиальном направлении находится протектор, при этом упомянутый протектор соединен с двумя бортами через две боковины, отличающаяся тем, что металлические усилительные элементы, по меньшей мере, одного слоя каркасной арматуры являются кордами, показывающими при так называемом тесте на проницаемость расход менее 20 см/мин, при этом, по меньшей мере, один слой каркасной арматуры содержит, по меньшей мере, на одной стороне текстильные нити, при этом, по меньшей мере, слой эластомерной смеси, радиально наружный по отношению к бортовому кольцу и входящий с ним в контакт, представляет собой эластомерную смесь на основе натурального каучука или синтетического полиизопрена с преобладанием связей цис-1,4 и, возможно, по меньшей мере, одного другого диенового эластомера, при этом в случае купажа натуральный каучук или синтетический полиизопрен присутствуют в преобладающем количестве по сравнению с количеством другого или других используемых диеновых эластомеров, и усиливающий наполнитель, представляющий собой(i) либо белый наполнитель типа кремнезема и/или глинозема, содержащий поверхностные функциональные группы SiOH и/или AlOH, выбираемый из группы, в которую входят осажденные или пирогенные кремнеземы, глиноземы или алюмосиликаты или сажи, модифицированные в ходе или после синтеза таким образом, чтобы покрывать, по меньшей мере, частично их поверхность группами SiOH и/или AlOH, с удельной поверхностью о РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2014 129 761 (13) A (51) МПК C08K 3/36 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014129761, 18.12.2012 (71) Заявитель(и): КОМПАНИ ЖЕНЕРАЛЬ ДЕЗ ЭТАБЛИССМАН МИШЛЕН (FR), МИШЛЕН РЕШЕРШ Э ТЕКНИК С.А. (CH) Приоритет(ы): (30) ...

Bicycle tire

Pneumatic tire

VARYING THICKNESSES AND INTERNAL RUBBER MIXTURES THE CARCASS REINFORCEMENT

TIRE WITH A TOP PORTION HAVING A STIFFENING LAYER AND A TREAD HAS GOOD ADHESION

Pneumatique (1) comprenant deux bourrelets (4), deux flancs (3) reliés aux bourrelets (4), un sommet (2) relié de chaque côté à l'extrémité radialement extérieure de chacun des deux flancs, le sommet comportant une armature de ceinture ayant une largeur axiale W, une bande de roulement (5) en matériau élastomérique, la bande de roulement comprenant une pluralité de blocs de sculpture (50), deux blocs de sculpture axialement adjacents étant séparés par une rainure (7) s'étendant au moins en partie circonférentiellement, une couche de rigidification constituée d'éléments filaires de renfort rigides en compression, lesdits éléments filaires de renfort étant orientés selon une direction moyenne formant un angle compris entre 50° et 90° avec la direction circonférentielle C, dans lequel lesdits éléments filaires de renfort forment des ondulations autour de ladite direction moyenne.

MOTORCYCLE TYRE

ПНЕВМАТИЧЕСКАЯ ШИНА, СОДЕРЖАЩАЯ КОРДЫ КАРКАСНОЙ АРМАТУРЫ С МАЛОЙ ПРОНИЦАЕМОСТЬЮ И ТЕКСТИЛЬНЫЕ НИТИ, СОЕДИНЕННЫЕ С КАРКАСНОЙ АРМАТУРОЙ

1. Пневматическая шина (1) с радиальной каркасной арматурой, образованной, по меньшей мере, слоем (2) металлических усилительных элементов, при этом упомянутая пневматическая шина содержит арматуру (6) гребня, покрытую в радиальном направлении протектором (7), причем упомянутый протектор соединен с двумя бортами (3) с помощью двух боковин, и каждый из бортов содержит бортовое кольцо (4), обеспечивающее крепление каркасной арматуры в упомянутых бортах путем оборота упомянутого, по меньшей мере, одного слоя (2) усилительных элементов вокруг бортовых колец (4), отличающаяся тем, что металлические усилительные элементы (27, 37, 47), по меньшей мере, одного слоя (2) каркасной арматуры представляют собой корды, показывающие при так называемом тесте на проницаемость расход менее 20 см/мин, причем, по меньшей мере, один слой (2) каркасной арматуры содержит, по меньшей мере, на одной поверхности прерывистые текстильные нити (12, 20, 30, 40), образованные из двух частей, причем один конец (17) текстильной нити (12) размещен на обороте (5) указанного, по меньшей мере, одного слоя (2) каркасной арматуры, при этом другой конец (13) текстильной нити (13) расположен радиально ниже ортогональной проекции (9) конца выступа (11) на упомянутую, по меньшей мере, одну поверхность упомянутого, по меньшей мере, одного слоя (2) каркасной арматуры.2. Пневматическая шина (1) по п. 1, отличающаяся тем, что металлические усилительные элементы (27, 37, 47), по меньшей мере, одного слоя (2) каркасной арматуры представляют собой корды (51, 61, 71) с, по меньшей мере, двумя слоями, причем, по меньшей мере, один внутренний слой покрыт оболочкой из слоя (54, 64, 74), образованного полимерной композицией, такой как несшиваемая, сшиваемая или сшитая резиновая композиция на основе, по меньшей мер РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B60C 9/08 (13) 2014 129 902 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2014129902, 18.12.2012 (71) ...

Tyre having reduced nominal pressure and increased relative deflection under nominal load

Tire comprising carcass reinforcement cords with low permeability and variable rubber mixture thickness

OBJECTS THAT INCLUDE SOIL FROM LOW-PERMEABILITY CARCASS, AND CENTRALIZING DEVICE VARIABLES

TIRE HAVING REDUCED PRESSURE RATING AND AN ARROW RELATIVE IN INCREASED NOMINAL LOAD

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins deux couches de sommet de travail d'éléments de renforcement. Selon l'invention, le pneumatique présente une pression nominale (Pn) comprise entre 4 et 8 bars et une flèche relative (Fr) sous charge nominale satisfaisant la relation Fr > 0.14 + (Pn -5) x 0.013, et l'armature de sommet comprend additionnellement une couche d'éléments de renforcement, parallèles entre eux dans la couche et orientés circonférentiellement, les éléments de renforcement de l'armature de carcasse présentant un diamètre inférieur à 1 mm et étant composés de fils de diamètre strictement supérieur à 0.16 mm, lesdits éléments de renforcement de l'armature de carcasse étant des câbles métalliques, avantageusement non frettés, présentant au test dit de perméabilité un débit inférieur à 20 cm3/mn et la distance radiale mesurée dans le plan équatorial entre la surface extérieure de la bande de roulement et la surface intérieure du ...

TIRE HAVING ARMATURES OF CABLES INCLUDE SOIL, AND VARYING THICKNESSES OF RUBBER MIXTURES

L'invention concerne un pneumatique à armature de carcasse radiale, constituée d'au moins une couche d'éléments de renforcement métalliques, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement, ladite bande de roulement étant réunie à deux bourrelets par l'intermédiaire de deux flancs. Selon l'invention, les éléments de renforcement métalliques d'au moins une couche de l'armature de carcasse sont des câbles non frettés présentant au test dit de perméabilité un débit inférieur à 20 cm3/mn, dans un plan radial, au moins sur une partie du profil méridien du pneumatique, l'épaisseur de mélange caoutchouteux entre la surface intérieure de la cavité du pneumatique et le point d'un élément de renforcement métallique de l'armature de carcasse le plus proche de la dite surface intérieure de la cavité est inférieure ou égale à 3.8 mm et, le rapport entre ladite épaisseur de mélange caoutchouteux mesurée au niveau du plan médian circonférentiel ...

TIRE HAVING A PROTECTIVE LAYER MADE OF UNIT THREADS

TIRE HAVING CARCASS REINFORCEMENT CABLES HAVING LOW PERMEABILITY, AND TEXTILE CORDS ASSOCIATED WITH THE CARCASS REINFORCEMENT

REINFORCEMENT MEMBER FOR TIRES, AND TIRE USING SAME

Provided are: a tire reinforcement member capable of improving the tire durability than before; and a tire using the same. The present invention provides a tire reinforcement member including: a core material cord layer ; and a spiral cord layer spirally wound on the core material cord layer , wherein cords in the core material cord layer are metal cords having an inclination angle of 40° to 90° with respect to the longitudinal direction of the core material cord layer , and reinforcing cords in the spiral cord layer are organic fiber cords having a modulus of not less than 19 GPa. 1. A tire reinforcement member comprising:at least one core material cord layer; anda spiral cord layer having reinforcing cords spirally wound on said core material cord layer, whereinreinforcing cords in said core material cord layer are metal cords having an inclination angle of 40° to 90° with respect to the longitudinal direction of said core material cord layer, andsaid reinforcing cords in said spiral cord layer are organic fiber cords having a modulus of not less than 19 GPa.2. The tire reinforcement member according to claim 1 , wherein said organic fiber cords have an inclination angle of 10° to 45° with respect to the longitudinal direction of said core material cord layer.3. The tire reinforcement member according to claim 1 , wherein said reinforcing cords of said core material cord layer have an inclination angle of 50° to 90°.4. The tire reinforcement member according to claim 1 , wherein the distance between a metal cord at a width direction end of said core material cord layer and a reinforcing cord at a width direction end of said spiral cord layer is 0.2 to 20 times of the diameter of said metal cords of said core material cord layer.5. A tire comprising the tire reinforcement member according to .6. The tire according to claim 5 , said tire is for passenger vehicles.7. The tire according to claim 5 , said tire is for trucks and busses.8. The tire according to claim 5 , ...

Fahrzeugluftreifen

Fahrzeugluftreifen in Radialbauart für Nutzfahrzeuge, insbesondere Lastkraftwagen, Busse und Lastkraftwagenanhänger, mit einem fünflagigen Gürtel (4), dessen Gürtellagen (5, 6, 7, 8, 9) Festigkeitsträger (5a, 6a, 7a, 8a) enthalten, die in jeder Gürtellage (5, 6, 7, 8, 9) jeweils parallel zueinander verlaufen, wobei die dritte Gürtellage (7) eine 0°-Lage ist, deren Breite geringer ist als die Breite der an sie unmittelbar anschließenden Gürtellagen (6, 8), welche Arbeitslagen sind, wobei die Festigkeitsträger (6a, 8a) in den einen, der 0°-Lage (7) benachbarten Gürtellagen (5, 6, 8, 9) rechtssteigend und die Festigkeitsträger (5a, 6a, 8a, 9a) in den anderen der 0°-Lage (7) benachbarten Gürtellagen (5, 6, 8, 9) linkssteigend verlaufen. Der Winkel (), den die Festigkeitsträger (9a) in der fünften Gürtellage (9) mit der Umfangsrichtung (A-A) des Reifens einschließen, beträgt 35° bis 70°, und es weisen die Festigkeitsträger in den beiden Arbeitslagen (6, 8) eine Dehnung 0,2% bei 10% Bruchlast ...

Fahrzeugluftreifen

Fahrzeugluftreifen in Radialbauart, insbesondere für Personenkraftwagen, mit einem Gürtelverband (2) aus zumindest zwei Gürtellagen (2a, 2b), einem profilierten Laufstreifen (1), Wulstbereichen mit Wulstkernen (5) und einer insbesondere einlagig ausgeführten Karkasseinlage (3) mit textilen Festigkeitsträgern, wobei die Gürtellagen (2a, 2b) in eine Gummierungsmischung eingebettete parallel und beabstandet zueinander angeordnete Festigkeitsträger aus Stahl aufweisen, wobei die Stahl-Festigkeitsträger in der ersten Gürtellage (2a) die Stahl-Festigkeitsträger in der zweiten Gürtellage (2a, 2b) kreuzen und wobei zwischen der Karkasseinlage (3) und der ersten Gürtellage (2a, 2b), symmetrisch zur Äquatorialebene, ein Verstärkungsstreifen (7) eingebaut ist, der eine Breite von 20 mm bis 70% der Breite der ersten Gürtellage (2a) aufweist und Festigkeitsträger enthält, welche parallel zueinander und unter einem Winkel von 50° bis 90° zur Umfangsrichtung verlaufen. Der Verstärkungsstreifen (7) enthält ...

Fahrzeugluftreifen

Fahrzeugluftreifen für Nutzfahrzeuge mit einer Karkasse (5), mit einem radial außerhalb der Karkasse (5) aufgebauten Gürtel (9) und mit einem radial außerhalb des Gürtels (9) auf dem Gürtel (9) aufgebauten profilierten Laufstreifen (10), wobei der Gürtel (9) aus wenigstens vier von radial innen nach radial außen auf einander liegend angeordneten Gürtellagen (13, 15, 14, 17) ausgebildet ist, wobei die in radialer Richtung R am weitesten innen angeordnete, erste Gürtellage (13) mit parallelen in Gummi eingebetteten Festigkeitsträgern (23), die auf der ersten Gürtellage (13) angeordnete zweite Gürtellage (15) mit parallelen in Gummi eingebetteten Festigkeitsträgern (25), die auf der zweiten Gürtellage (15) angeordnete dritte Gürtellage (14) mit parallelen in Gummi eingebetteten Festigkeitsträgern (24) und die auf der dritten Gürtellage (14) angeordnete vierte Gürtellage (17) mit parallelen in Gummi eingebetteten Festigkeitsträgern (27) ausgebildet ist, dadurch gekennzeichnet, dass die erste ...

Fahrzeugluftreifen

Fahrzeugluftreifen in Radialbauart für Lastkraftwagen oder Omnibusse mit einem wenigstens vierlagigen Gürtel (3), wobei jede Gürtellage (7, 8, 9, 10) als Festigkeitsträger Stahlcorde enthält, die in jeder Gürtellage (7, 8, 9, 10) jeweils parallel zueinander verlaufen, wobei die Neigung der Stahlcorde zur Umfangsrichtung (A-A) beginnend bei der ersten, radial innersten Gürtellage (7), der Abfolge Rechts-Rechts-Links-Rechts oder Rechts-Rechts-Links-Links folgt und der Winkel (), den die Stahlcorde in der ersten Gürtellage (7) mit der Umfangsrichtung (A-A) einschließen, zwischen 45° und 70° beträgt, der Winkel (), den die Stahlcorde in der zweiten Gürtellage (8) mit der Umfangsrichtung (A-A) einschließen, zwischen 15° und 26° beträgt, und die Winkel (, ), welche die Stahlcorde in der dritten und in der vierten Gürtellage (9, 10) mit der Umfangsrichtung (A-A) einschließen, jeweils zwischen 15° und 22° betragen, wobei eine der radial außerhalb der ersten Gürtellage (7) ausgebildeten Gürtellagen ...

Pneumatic tire

The following are defined: a first imaginary line which passes through the ground contact surface in the meridional section of the tread; a second imaginary line which passes through the bottom portion of a shoulder main groove and is parallel to the first imaginary line; the intersection point between the second imaginary line and the surface of a shoulder land section outwards of the ground contact edge in the width direction of the tire; and a tire equatorial plane. Defining A as the distance in the tire width direction between the intersection point and the tire equatorial plane, B as the groove depth of the shoulder main groove, and C as the distance in the tire width direction between the ground contact edge and the tire equatorial plane, the condition 0.80 ≦ (B+C) / A ≦ 1.15 is satisfied; defining M as the distance in the tire radial direction between the bottom of the shoulder main groove and a belt layer, the condition 0.60 ≦ B/(B+M) ≦ 0.75 is satisfied.

Pneumatic tire

The following are defined: a first imaginary line which passes through the ground contact surface in the meridional section of the tread; a second imaginary line which passes through the bottom portion of a shoulder main groove and is parallel to the first imaginary line; the intersection point between the second imaginary line and the surface of a shoulder land section outwards of the ground contact edge in the width direction of the tire; and a tire equatorial plane. Defining A as the distance in the tire width direction between the intersection point and the tire equatorial plane, B as the groove depth of the shoulder main groove, and C as the distance in the tire width direction between the ground contact edge and the tire equatorial plane, the condition 0.80 ≦ (B+C) / A ≦ 1.15 is satisfied; defining M as the distance in the tire radial direction between the bottom of the shoulder main groove and a belt layer, the condition 0.60 ≦ B/(B+M) ≦ 0.75 is satisfied.

LOW-METAL TIRE

A tire includes a carcass ply and at least one annular structure associated with the carcass ply. The tire further includes a metal-free circumferential belt region comprising a first metal-free belt ply and a second metal-free belt ply. The tire also has a metal-free cap ply disposed radially outward of the first metal-free belt ply and the second metal-free belt ply. The tire also includes a metal-free circumferential tread that contacts a road, and a pair of sidewalls associated with at least one annular structure and the metal-free circumferential tread.

PNEUMATIC TIRE

The present invention has prescribed therein: a first virtual line passing through the contact surface in a meridian cross-section of a tread section; a second virtual line passing through the base of a shoulder main groove and being parallel to the first virtual line; an intersection between the second virtual line and the surface of a shoulder land section further on the outside in the tire width direction than the ground-contact end; and a tire equatorial plane. When the distance between the intersection and the tire equatorial plane in the tire width direction is A, the groove depth of the shoulder main groove is B, and the distance between the ground-contact end and the tire equatorial plane in the tire width direction is C, the condition 0.80 = (B + C)/A = 1.15 is fulfilled. When the distance between the tire equatorial plane in the tire width direction and the end of a belt ply having the longest dimension in the tire width direction is S, the condition 0.75 = S/A = 0.95 is fulfilled ...

THE TOP OF THE AIRCRAFT PNEUMATIC

TIRE WITH A TOP PORTION HAVING A STIFFENING LAYER AND A TREAD HAS GOOD ADHESION

Pneumatique (1) comprenant un sommet (2) comportant une armature de ceinture ayant une largeur axiale W, une bande de roulement (5) en matériau élastomérique, la bande de roulement comprenant une pluralité de blocs de sculpture (50), deux blocs de sculpture axialement adjacents étant séparés par une rainure (7) s'étendant au moins en partie circonférentiellement, une couche de rigidification constituée d'éléments filaires de renfort rigides en compression, lesdits éléments filaires de renfort étant orientés selon une direction moyenne formant un angle compris entre 50° et 90° avec la direction circonférentielle C, dans lequel les éléments filaires de renfort sont fractionnés en se déplaçant le long de leur direction moyenne, formant des fragments avec recouvrement d'amplitude « R » entre fragments adjacents circonférentiellement et dans lequel les éléments filaires de renfort ont une dimension minimale de 0,15 mm dans le plus petit axe de leur section. Tire (1) comprising a crown (2) comprising a belt reinforcement having an axial width W, a tread (5) made of elastomeric material, the tread comprising a plurality of tread blocks (50), two blocks axially adjacent sculpture being separated by a groove (7) extending at least partially circumferentially, a stiffening layer made up of rigid reinforcing wire elements in compression, said reinforcing wire elements being oriented in a medium direction forming an angle included between 50 ° and 90 ° with the circumferential direction C, in which the reinforcing wire elements are divided by moving along their mean direction, forming fragments with overlap of amplitude "R" between circumferentially adjacent fragments and in which the reinforcing wire elements have a minimum dimension of 0.15 mm in the smallest axis of their section.

TIRE WITH AN APEX HAVING A STIFFENING WEB AND A TREAD HAS GOOD ADHESION

Pneumatique (1) comprenant deux bourrelets (4), deux flancs (3) reliés aux bourrelets (4), un sommet (2) comportant une armature de ceinture ayant une largeur axiale W, une bande de roulement (5) comprenant une pluralité de blocs de sculpture (50), des rainures (7) ayant un fond (70) de rainure ; le matériau constitutif de la bande de roulement (5) a un module dynamique de cisaillement G* inférieur à 1.25 MPa ; le sommet (2) comporte une nappe de rigidification (8) dont les éléments longilignes de renfort sont rigides en compression et sont disposés sous au moins une rainure (7) de la bande de roulement ; le sommet comporte une nappe de frettage formée par au moins deux zones de frettage (64Z1, 64Z2) axialement séparées, disposées de part et d'autre de la nappe de rigidification (8Z). A tire (1) comprising two beads (4), two sidewalls (3) connected to the beads (4), a crown (2) having a waist armature having an axial width W, a tread (5) comprising a plurality of carving blocks (50), grooves (7) having a groove bottom (70); the constituent material of the tread (5) has a dynamic shear modulus G * of less than 1.25 MPa; the top (2) comprises a stiffening ply (8) whose elongate reinforcement elements are rigid in compression and are arranged under at least one groove (7) of the tread; the top comprises a shrink web formed by at least two axially separated shrinking zones (64Z1, 64Z2) disposed on either side of the stiffening ply (8Z).

MOORING APPARATUS CONSISTING OF TWO WORKING CROWN LAYERS AND A LAYER IN A TURBOJET ENGINE NACELLE

Luftreifen

Ein Luftreifen 1 weist eine Karkassenschicht 13, eine Gürtelschicht 14, die auf der Außenseite in Reifenradialrichtung der Karkassenschicht 13 angeordnet ist, und einen Laufflächenkautschuk 15, der auf der Außenseite in Reifenradialrichtung der Gürtelschicht 14 angeordnet ist, auf. Des weiteren wird die Gürtelschicht 14 durch Laminieren eines Gürtels mit großem Winkel 141, der einen Gürtelwinkel von nicht weniger als 45° und nicht mehr als 70° als absolute Werte aufweist, des Paars Kreuzgürtel 142, 143, die Gürtelwinkel von nicht weniger als 10° und nicht mehr als 45° als absolute Werte aufweisen und Gürtelwinkel von jeweils entgegengesetzten Vorzeichen aufweisen, und einer Umfangsverstärkungsschicht 145, die den Gürtelwinkel innerhalb eines Bereichs von ±5° in Bezug auf die Umfangsrichtung aufweist, konfiguriert. Eine Laufflächenbreite TW und eine Reifengesamtbreite SW weisen eine Beziehung auf, sodass 0,79 TW/SW 0,89. Des Weiteren weisen eine Breite Ws der Umfangsverstärkungsschicht 145 ...

Luftreifen

Definiert sind eine erste imaginäre Linie, die durch eine Bodenkontaktoberfläche in einem Meridianquerschnitt eines Laufflächenabschnitts verläuft, eine zweite imaginäre Linie, die durch einen Bodenabschnitt einer Schulterhauptrille verläuft und parallel zur ersten imaginären Linie ist, ein Schnittpunkt zwischen der zweiten imaginären Linie und einer Oberfläche eines Schulterstegabschnitts außerhalb eines Bodenkontaktrands in Reifenquerrichtung und eine Reifenäquatorialebene. Eine Bedingung 0,80 ≤ (B+C)/A ≤ 1,15 ist erfüllt, wobei A für einen Abstand in Reifenquerrichtung zwischen dem Schnittpunkt und der Reifenäquatorialebene steht, B für eine Rillentiefe der Schulterhauptrille steht und C für einen Abstand in Reifenquerrichtung zwischen dem Bodenkontaktrand und der Reifenäquatorialebene steht. Eine Bedingung 0,75 ≤ S/A ≤ 0,95 ist erfüllt, wobei S für einen Abstand in Reifenquerrichtung steht zwischen der Reifenäquatorialebene und einem Endabschnitt einer Gürtellage, welche die längste ...

PNEUMATIC TIRE

A pneumatic tire is provided with a tread section and side sections. The tread section has shoulder main grooves and shoulder land sections. The following are defined in a meridional cross-section of the tread section: a first imaginary line passing through a ground contact surface; a second imaginary line passing through the bottom section of a shoulder main groove and parallel to the first imaginary line; the point of intersection between the second imaginary line and the surface of a shoulder land section; and the equatorial plane of the tire. If the distance between the equatorial plane of the tire and the point of intersection in the width direction of the tire is A, the depth of the shoulder main groove is B, and the distance between the equatorial plane of the tire and a ground contact end in the width direction of the tire is C, the relationship of 0.80 =(B + C)/A = 1.15 is satisfied.

TIRE HAVING CARCASS REINFORCEMENT CABLES HAVING LOW PERMEABILITY, AND TEXTILE CORDS ASSOCIATED WITH THE CARCASS REINFORCEMENT

TIRE WITH A TOP PORTION HAVING A REINFORCING LAYER AND A TREAD HAS GOOD ADHESION

Pneumatique (1) comprenant deux bourrelets (4), deux flancs (3) reliés aux bourrelets (4), un sommet (2) comportant une armature de ceinture (6) ayant une largeur axiale W, une bande de roulement (5) comprenant une pluralité de blocs de sculpture (50), des rainures (7) ayant un fond (70) de rainure ; le matériau constitutif de la bande de roulement (5) a un module dynamique de cisaillement G* inférieur à 1.25 MPa ; le sommet (2) comporte une nappe de rigidification (8) dont les éléments longilignes de renfort sont rigides en compression et sont disposés sous au moins une rainure (7) de la bande de roulement.

Tire Comprising Carcass Reinforcement Cords With Low Permeability

A tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements. The tire additionally comprises, in each shoulder, at least one end of a layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially, said end being axially outside said at least two working crown layers, the reinforcing elements of the carcass reinforcement having a diameter less than 1 mm and being made up of threads with a diameter strictly greater than 0.16 mm, and said reinforcing elements of the carcass reinforcement being advantageously non-wrapped metal cords that return a flow rate of less than 20 cm/min in what is referred to as the permeability test. 1. Tire for a heavy goods vehicle , having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements that are crossed from one layer to another , forming angles of between 10° and 45° with the circumferential direction , said crown reinforcement itself being capped radially with a tread , said tread being joined to two beads by way of two sidewalls , wherein it additionally comprises , in each shoulder , at least one end of a layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially , wherein said end of said additional layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially is axially outside said at least two working crown layers , wherein the reinforcing elements of the carcass reinforcement have a diameter less than 1 mm , wherein said reinforcing elements of the carcass reinforcement are made up of threads with a diameter strictly greater than 0.16 mm , and wherein the metal reinforcing elements of at least one layer of the carcass reinforcement are advantageously non-wrapped cords that return a flow rate of less than 20 cm/min in what is referred to as the permeability test.2. The tire ...

Luftreifen

Folgende Dinge werden definiert: eine erste imaginäre Linie (VL1), die durch die Bodenkontaktoberfläche (30, 31, 32, 33) in einem Meridianquerschnitt eines Laufflächenabschnitts (2) verläuft, eine zweite imaginäre Linie (VL2), die durch einen Bodenabschnitt der Schulterhauptrille (12) verläuft und parallel zur ersten imaginären Linie (VL1) ist, ein Schnittpunkt zwischen der zweiten imaginären Linie (VL2) und einer Oberfläche des Schulterstegabschnitts (23) außerhalb des Bodenkontaktrands (T) in Reifenquerrichtung, und eine Reifenäquatorialebene (CL). Die Bedingung 0,80 ≤ (B+C)/A ≤ 1,15 ist erfüllt, wobei A als ein Abstand in Reifenquerrichtung zwischen einem Schnittpunkt (P) und der Äquatorialebene des Reifens (CL), B als eine Rillentiefe der Schulterhauptrille (12) und C als ein Abstand in Reifenquerrichtung zwischen dem Bodenkontaktrand (T) und der Äquatorialebene des Reifens (CL) gegeben ist, und die Bedingung 0,75 ≤ Q/C ≤ 0,95 ist erfüllt, wobei Q als ein Abstand in Reifenquerrichtung ...

TYRE HAVING IMPROVED PROPERTIES OF WEAR AND ROLLING RESISTANCE

L'invention concerne un pneumatique comprenant une armature de sommet (4) formée d'au moins une couche (32) d'éléments de renforcement circonférentiels. Conformément à l'invention, la bande de roulement (4) est formée d'au moins une couche de mélange polymérique dont la conductivité thermique est strictement inférieure à 0.25 W/(m.K), le rapport de l'épaisseur du bloc sommet (3) à une extrémité d'épaulement (6) sur la largeur (L) de la bande de roulement étant strictement inférieur à 0.15 et l'épaisseur (7) du bloc sommet à une extrémité d'épaulement (6) étant supérieure à 35 mm.

PNEUMATIC TIRE

The following are defined: a first imaginary line which passes through the ground contact surface in the meridional section of the tread; a second imaginary line which passes through the bottom portion of a shoulder main groove and is parallel to the first imaginary line; the intersection point between the second imaginary line and the surface of a shoulder land section outwards of the ground contact edge in the width direction of the tire; and a tire equatorial plane. Defining A as the distance in the tire width direction between the intersection point and the tire equatorial plane, B as the groove depth of the shoulder main groove, and C as the distance in the tire width direction between the ground contact edge and the tire equatorial plane, the condition 0.80 ? (B+C) / A ? 1.15 is satisfied; defining J as the tire outer diameter in the tire equatorial plane, K as the tire outer diameter in the open end inwards of the shoulder main groove in the tire width direction, and L as the tire ...

TOP PLASTIC TYPE HEAVY CIVIL ENGINEERING

PNEUMATIC INCLUDE SOIL FROM LOW PERMEABILITY

TIRE HAVING A PROTECTIVE LAYER MADE OF UNIT THREADS

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins deux couches de sommet de travail d'éléments de renforcement complétée radialement à l'extérieur par au moins une couche de protection. Selon l'invention, les éléments de renforcements de la couche de protection sont des fils métalliques unitaires de diamètre inférieur à 0.50 mm et la distance entre les éléments de renforcement, mesurée selon la normale à la direction de la ligne moyenne du fil, est strictement inférieure à 1.5 mm.

TOP OF WIRE ELECTRIC DISCHARGE MACHINE TYPE CIVIL ENGINEERING

MOORING APPARATUS CONSISTING OF TWO WORKING CROWN LAYERS AND A LAYER IN A TURBOJET ENGINE NACELLE

L'invention concerne un pneumatique, comprenant une armature de sommet constituée de deux couches de sommet de travail d'éléments de renforcement et d'au moins une couche d'éléments de renforcement circonférentiels. Selon l'invention, les deux couches de sommet de travail et ladite au moins une couche d'éléments de renforcement circonférentiels sont seules présentes pour constituer l'armature de sommet sur au moins 40% de la largeur de la bande de roulement, la valeur absolue de la différence entre les valeurs absolues des angles α2 et α1 étant supérieure à 12°, α2 étant plus grand que al en valeur absolue, l'angle moyen α satisfaisant la relation 14+131*exp(-L/100) < α < 28+110*exp(-L/100), et le ratio d'utilisation du potentiel de rupture F2/FR2 de la couche de travail radialement la plus extérieure étant inférieur à 1/6. The invention relates to a tire comprising a crown reinforcement consisting of two working crown layers of reinforcing elements and at least one layer of circumferential reinforcing elements. According to the invention, the two working crown layers and the said at least one layer of circumferential reinforcement elements are only present to constitute the crown reinforcement over at least 40% of the tread width, the value absolute of the difference between the absolute values of the angles α2 and α1 being greater than 12 °, α2 being greater than al in absolute value, the average angle α satisfying the relation 14 + 131 * exp (-L / 100) <α <28 + 110 * exp (-L / 100), and the utilization ratio of the fracture potential F2 / FR2 of the radially outermost working layer being less than 1/6.

공기입 타이어

... 본 공기입(空氣入) 타이어(1)는, 벨트층(14)이, 타이어 둘레 방향에 대하여 절댓값으로 46[deg] 이상 80[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 내경(內徑) 측 교차 벨트(142) 및 외경(外徑) 측 교차 벨트(143)와, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142) 및 외경 측 교차 벨트(143)의 사이에 배치되는 둘레 방향 보강층(145)과, 타이어 둘레 방향에 대하여 절댓값으로 10[deg] 이상 45[deg] 이하의 벨트 각도를 가지는 것과 함께 외경 측 교차 벨트(143)의 타이어 직경 방향 외측에 배치되는 부가 벨트(144)를 구비한다.

PNEUMATIC TIRE

This pneumatic tire (1) is provided with: a belt layer (14) having a belt angle of which the absolute value is 46-80 [deg] relative to the circumferential direction of the tire; an inner diameter-side intersecting belt (142) and an outer diameter-side intersecting belt (143) having belt angles of which the signs differ from one another; a circumferential direction reinforcement layer (145) that is arranged between the inner diameter-side intersecting belt (142) and the outer diameter-side intersecting belt (143) and that has a belt angle that is within the range of ±5 [deg] relative to the circumferential direction of the tire; and an additional belt (144) that is arranged on the outer side of the outer diameter-side intersecting belt (143) in the radial direction of the tire and has a belt angle of which the absolute value is 10-45 [deg] relative to the circumferential direction of the tire.

PNEUMATIC RADIAL TIRE FOR VEHICLE

The present invention provides a pneumatic radial tire for a vehicle capable of maintaining a high level of tire durability even when the number of belt cords is reduced to lower the rolling resistance. This pneumatic radial tire for a vehicle has a main belt layer formed on the outer side in the tire radial direction of a carcass layer in a crown region by stacking two layers in mutually intersecting orientations of belt plies having steel cords embedded therein at an angle of 15 to 45° with respect to the tire circumference direction, wherein a ply having steel cords embedded therein at an angle of 80 to 90° with respect to the tire circumference direction is disposed, as a belt reinforcing ply, between the carcass layer and the inside main belt layer so that a portion of the ply covers positions set 30 mm apart toward the tire equator from both widthwise end parts of the narrow main belt layer. The belt reinforcing layer measures at least 30 mm in width and has an initial stiffness value ...

Pneumatic tire

The following are defined: a first imaginary line which passes through the ground contact surface in the meridional section of the tread; a second imaginary line which passes through the bottom portion of a shoulder main groove and is parallel to the first imaginary line; the intersection point between the second imaginary line and the surface of a shoulder land section outwards of the ground contact edge in the width direction of the tire; and a tire equatorial plane. Defining A as the distance in the tire width direction between the intersection point and the tire equatorial plane, B as the groove depth of the shoulder main groove, and C as the distance in the tire width direction between the ground contact edge and the tire equatorial plane, the condition 0.80 ≦ (B+C) / A ≦ 1.15 is satisfied; defining J as the tire outer diameter in the tire equatorial plane, K as the tire outer diameter in the open end inwards of the shoulder main groove in the tire width direction, and L as the tire ...

Pneumatic tire

The present invention has prescribed therein: a first virtual line passing through the contact surface in a meridian cross-section of a tread section; a second virtual line passing through the base of a shoulder main groove and being parallel to the first virtual line; an intersection between the second virtual line and the surface of a shoulder land section further on the outside in the tire width direction than the ground-contact end; and a tire equatorial plane. When the distance between the intersection and the tire equatorial plane in the tire width direction is A, the groove depth of the shoulder main groove is B, and the distance between the ground-contact end and the tire equatorial plane in the tire width direction is C, the condition 0.80 ≤ (B + C)/A ≤ 1.15 is fulfilled. When the distance between the tire equatorial plane in the tire width direction and the end of a belt ply having the longest dimension in the tire width direction is S, the condition 0.75 ≤ S/A ≤ 0.95 is fulfilled.

HEAVY DUTY PNEUMATIC TIRE

A pneumatic tire is provided with a tread portion and side portions. The tread portion includes shoulder main grooves and shoulder land portions. The following are defined in a meridian cross section of the tread portion: a first imaginary line passing through a ground contact surface, a second imaginary line passing through a bottom portion of a shoulder main groove and parallel to the first imaginary line, an intersection point between the second imaginary line and a surface of a shoulder land portion, and a tire equatorial plane. Given A as a distance in the tire lateral direction between the intersection point and the tire equatorial plane, B as a groove depth of the shoulder main groove, and C as a distance in the tire lateral direction between the tire equatorial plane and the ground contact edge, the condition 0.80 <= (B+C) / A <= 1.15 is satisfied.

TIRE HAVING CARCASS REINFORCEMENT CABLES HAVING LOW PERMEABILITY, AND TEXTILE CORDS ASSOCIATED WITH THE CARCASS REINFORCEMENT

The invention relates to a tire having a radial carcass reinforcement that consists of at least one layer of metal reinforcement layers, said tire including at least one crown reinforcement, which is in turn radially covered by a tread, said tread being joined to two beads via two sidewalls. According to the invention, the metal reinforcement elements of at least one layer of the carcass reinforcement are cables having, in the so-called perviousness test, a flow rate of less than 20 cm3/min, and at least one carcass reinforcement layer is provided on at least one surface consisting of textile threads, and at least the layer made of an elastomeric mixture, which axially engages with the end of at least the radially innermost crown reinforcement layer and with the carcass reinforcement, is an elastomeric mixture containing natural rubber or synthetic polyisoprene and a reinforcing filler imparting high cohesion thereto.

TOP GATE TYPE HEAVY CIVIL ENGINEERING

La présente invention concerne un pneumatique radial, destiné à équiper un véhicule lourd de génie civil et, plus particulièrement, le sommet d'un tel pneumatique. Les inventeurs se sont donnés pour objectif de désensibiliser l'armature de sommet d'un tel pneumatique aux sollicitations mécaniques générées par les pierres présentes sur le sol. Cet objectif a été atteint par un pneumatique (1) comprenant une bande de roulement (2), une armature de sommet (3) radialement intérieure à la bande de roulement (2) et une armature de carcasse (4) radialement intérieure à l'armature de sommet (3). L'armature de sommet (3) comprend usuellement radialement de l'extérieur vers l'intérieur une armature de protection (5) comprenant deux couches de protection (51, 52) comprenant des renforts métalliques élastiques, parallèles entre eux dans chaque couche et croisés d'une couche à la suivante, en formant avec la direction circonférentielle (YY') des angles respectifs A1 et A2 et une armature de travail ...

TIRE WITH IMPROVED WEAR PROPERTIES AND ROAD

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins une couche d'éléments de renforcement circonférentiels. Conformément à l'invention, la bande de roulement est formée d'au moins une couche de mélange polymérique dont la conductivité thermique est strictement inférieur à 0.25 W/(m.K), le rapport de l'épaisseur du bloc sommet à une extrémité d'épaulement sur la largeur de la bande de roulement étant strictement inférieur à 0.15 et l'épaisseur du bloc sommet à une extrémité d'épaulement étant supérieure à 35 mm. The invention relates to a tire comprising a crown reinforcement consisting of at least one layer of circumferential reinforcement elements. According to the invention, the tread is formed of at least one layer of polymeric mixture whose thermal conductivity is strictly less than 0.25 W / (mK), the ratio of the thickness of the top block to one end of shoulder on the width of the tread being strictly less than 0.15 and the thickness of the crown block at one shoulder end being greater than 35 mm.

TIRE HAVING VARYING THICKNESSES OF INNER RUBBER MIXTURES WITH THE CARCASS REINFORCEMENT

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins deux couches de sommet de travail d'éléments de renforcement. Selon l'invention, le pneumatique comprend additionnellement dans chaque épaule au moins une extrémité d'une couche d'éléments de renforcement, parallèles entre eux dans la couche et orientés circonférentiellement, ladite extrémité étant axialement extérieure aux extrémités desdites au moins deux couches de sommet de travail, les éléments de renforcement de l'armature de carcasse présentant un diamètre inférieur à 1 mm et étant composés de fils de diamètre strictement supérieur à 0.16 mm et, dans un plan radial, le rapport entre les épaisseurs de mélange caoutchouteux entre la surface intérieure de la cavité du pneumatique et le point d'un élément de renforcement métallique de l'armature de carcasse le plus proche de la dite surface intérieure de la cavité, des deux parties du profil du pneumatique, centrées sur les projections orthogonales respectives, sur la surface intérieure de la cavité du pneumatique, des extrémités axialement extérieures desdites couches additionnelles, et des parties du profil du pneumatique présentant les épaisseurs les plus faibles étant supérieur à 1.15. The invention relates to a tire comprising a crown reinforcement consisting of at least two working crown layers of reinforcing elements. According to the invention, the tire additionally comprises in each shoulder at least one end of a layer of reinforcing elements, parallel to each other in the layer and oriented circumferentially, said end being axially external to the ends of said at least two vertex layers the reinforcing elements of the carcass reinforcement having a diameter of less than 1 mm and being composed of threads of diameter strictly greater than 0.16 mm and, in a radial plane, the ratio between the thicknesses of rubber mix between the surface interior of the tire cavity and the point of a ...

OBJECTS THAT INCLUDE SOIL FROM LOW-PERMEABILITY CARCASS, AND CENTRALIZING DEVICE VARIABLES

TIRE HAVING ARMATURES OF CABLES INCLUDE SOIL, AND VARYING THICKNESSES OF RUBBER MIXTURES

L'invention concerne un pneumatique à armature de carcasse radiale, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement. Selon l'invention, les éléments de renforcement métalliques de l'armature de carcasse sont des câbles non frettés présentant au test dit de perméabilité un débit inférieur à 20 cm3/mn, sur au moins 50% du profil méridien du pneumatique, l'épaisseur de mélange caoutchouteux entre la surface intérieure de la cavité du pneumatique et le point d'un élément de renforcement métallique de l'armature de carcasse étant comprise entre 1.0 mm et 3.0 mm, la même épaisseur de mélange caoutchouteux de deux parties du profil du pneumatique sensiblement entrées sur la projection orthogonale des extrémités d'épaulement du pneumatique sur la surface intérieure du pneumatique étant comprise entre 2.4 mm et 3.9 mm et le rapport desdites épaisseurs étant supérieur à 1.10. The invention relates to a tire with a radial carcass reinforcement, said tire comprising a crown reinforcement, itself capped radially with a tread. According to the invention, the metal reinforcement elements of the carcass reinforcement are unfrowned cables exhibiting, in the so-called permeability test, a flow rate of less than 20 cm 3 / min, over at least 50% of the meridian profile of the tire, the thickness of rubber mixture between the inner surface of the tire cavity and the point of a metal reinforcing element of the carcass reinforcement being between 1.0 mm and 3.0 mm, the same thickness of rubber compound of two parts of the tire profile substantially inputs to the orthogonal projection of the shoulder ends of the tire on the inner surface of the tire being between 2.4 mm and 3.9 mm and the ratio of said thicknesses being greater than 1.10.

PNEUMATIC TIRE

A belt layer (14) in this pneumatic tire (1) is equipped with: an inner-diameter-side intersecting belt (142) and an outer-diameter-side intersecting belt (143) which have belt angles having absolute values of 46-80°, inclusive, in relation to the circumferential direction of the tire, and have belt angles of opposite signs from one another; a circumferential-direction reinforcing layer (145) having a belt angle within the range of ±5° in relation to the circumferential direction of the tire, and positioned between the inner-diameter-side intersecting belt (142) and the outer-diameter-side intersecting belt (143); and a supplemental belt (144) having a belt angle having an absolute value of 10-45°, inclusive, in relation to the circumferential direction of the tire, and positioned to the outside of the outer-diameter-side intersecting belt (143) in the radial direction of the tire. The supplemental belt (144) and the outer-diameter-side intersecting belt (143) have belt angles of opposite ...

TIRE CROWN FOR HEAVY CIVIL ENGINEERING VEHICLE

The present invention relates to a radial tire to be provided on a heavy civil engineering vehicle and, specifically, to the crown of such a tire. The inventors have aimed to make the crown reinforcement of such a tire less sensitive to the mechanical biases generated by the rocks present on the ground. Said aim has been achieved by a tire (1) according to Claim 1.

LOW-METAL TIRE

A tire includes a carcass ply and at least one annular structure associated with the carcass ply. The tire further includes a metal-free circumferential belt region comprising a first metal-free belt ply and a second metal-free belt ply. The tire also has a metal-free cap ply disposed radially outward of the first metal-free belt ply and the second metal-free belt ply. The tire also includes a metal-free circumferential tread that contacts a road, and a pair of sidewalls associated with at least one annular structure and the metal-free circumferential tread.

Luftreifen

Ein Luftreifen (1) weist Folgendes auf: Eine Karkassenschicht (13), eine Gürtelschicht (14), die auf der Reifenradialrichtungs-Außenseite der Karkassenschicht (13) angeordnet ist, und einen Laufflächenkautschuk (15), der auf der Reifenradialrichtungs-Außenseite der Gürtelschicht (14) angeordnet ist. Der Luftreifen (1) weist außerdem mindestens drei in Reifenumfangsrichtung verlaufende Hauptumfangsrillen (2) und eine Mehrzahl von Erhebungsabschnitten (3), die durch diese Hauptumfangsrillen (2) definiert sind, auf. Die Gürtelschicht (14) weist Folgendes auf: Einen Innenseiten-Kreuzgürtel (142) und einen Außenseiten-Kreuzgürtel (143), die Gürtelwinkel von mindestens 51° und höchstens 80° als absolute Werte in Bezug auf die Reifenumfangsrichtung aufweisen, wobei die Gürtelwinkel einander entgegengesetzte Vorzeichen aufweisen, und eine Umfangsverstärkungsschicht (145), die einen Gürtelwinkel aufweist, der einen Bereich von ±5° in Bezug auf die Reifenumfangsrichtung erfüllt.

Radialluftreifen zum Verwenden an einem Personenkraftwagen

Die vorliegende Erfindung stellt einen Radialluftreifen zum Verwenden an einem Personenkraftwagen bereit, der ein hohes Maß an Beständigkeit im Reifen aufrechterhalten kann, auch wenn Gürtelcorde reduziert sind, um einen reduzierten Rollwiderstand zu erzielen. Ein Radialluftreifen der vorliegenden Erfindung zum Verwenden an einem Personenkraftwagen weist eine Hauptgürtelschicht auf, in der sich Gürtellagen mit Stahlcorden, die in einem Winkel von 15° bis 45° in Bezug auf eine Reifenumfangsrichtung eingebettet sind, in zwei Schichten in sich kreuzenden Richtungen auf einer Radialrichtungs-Außenseite einer Karkassenschicht eines Zenitbereichs überlappen, wobei Lagen mit Stahlcorden, die in einem Winkel von 80° bis 90° in Bezug auf die Reifenumfangsrichtung eingebettet sind, zwischen einer Karkassenschicht und einer Innenseiten-Hauptgürtelschicht als eine Gürtelhilfsschicht derart angeordnet sind, dass ein Abschnitt der Lagen sich in einer Position befindet, die 30 mm zur Reifenäquatorseite ...

Luftreifen

Pneumatic tire

Defined are: a first imaginary line that passes through a ground-contacting surface in a meridional cross section of a tread part; a second imaginary line that passes through the bottom part of a shoulder main groove and is parallel to the first imaginary line; an intersection point between the second imaginary line and a surface of a shoulder land part located outside a ground-contacting end in the tire width direction; and a tire equatorial plane. When A is the distance between the tire equatorial plane and the intersection point in the tire width direction, B is the depth of the shoulder main groove, and C is the distance between the tire equatorial plane and the ground-contacting end in the tire width direction, the condition 0.80 ≤ (B+C)/A ≤ 1.15 is satisfied. When Q is the distance between the tire equatorial plane and an end of a belt ply, of two belt plies forming a cross-ply belt layer, that has a shorter dimension in the tire width direction, the condition 0.75 ≤ Q/C ≤ 0.95 is ...

PNEUMATIC TIRE

The following are defined: a first imaginary line which passes through the ground contact surface in the meridional section of the tread; a second imaginary line which passes through the bottom portion of a shoulder main groove and is parallel to the first imaginary line; the intersection point between the second imaginary line and the surface of a shoulder land section outwards of the ground contact edge in the width direction of the tire; and a tire equatorial plane. Defining A as the distance in the tire width direction between the intersection point and the tire equatorial plane, B as the groove depth of the shoulder main groove, and C as the distance in the tire width direction between the ground contact edge and the tire equatorial plane, the condition 0.80 ? (B+C) / A ? 1.15 is satisfied; defining M as the distance in the tire radial direction between the bottom of the shoulder main groove and a belt layer, the condition 0.60 ? B/(B+M) ? 0.75 is satisfied.

HEAVY DUTY PNEUMATIC TIRE

On a pneumatic tire are defined a first imaginary line VL1 passing through a ground contact surface in a meridian cross section of a tread portion, a second imaginary line VL2 passing through a bottom portion of a shoulder main groove and parallel to VL1, an intersection point P between VL2 and a surface of a shoulder land portion outward from a ground contact edge in a lateral direction, and an equatorial plane CL. 0.80 <= (B+C)/A <= 1.15 is satisfied, where A represents a distance in the lateral direction between P and CL, B represents a depth of the shoulder main groove, and C represents a distance in the lateral direction between the ground contact edge and CL. 0.75 <= S/A <= 0.95 is satisfied, where S represents a distance in the lateral direction between CL and an end portion of a longest belt ply in the lateral direction.

PNEUMATIC HAVING A NOMINAL PRESSURE REDUCED AND AN ARROW UNDER A NOMINAL LOAD INCREASED RELATIVE

공기입 타이어

... 본 공기입(空氣入) 타이어(1)는, 카커스(carcass)층(13)과, 카커스(carcass)층(13)의 타이어 직경 방향 외측에 배치되는 벨트층(14)과, 벨트층(14)의 타이어 직경 방향 외측에 배치되는 트레드(tread) 고무(15)를 구비한다. 또한, 벨트층(14)이, 절댓값으로 45[deg] 이상 70[deg] 이하의 벨트 각도를 가지는 고각도(高角度) 벨트(141)와, 절댓값으로 10[deg] 이상 45[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 한 쌍의 교차 벨트(142), (143)과, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 둘레 방향 보강층(145)을 적층하여 이루어진다. 또한, 트레드 폭 TW와, 타이어 총폭 SW가, 0.79≤TW/SW≤0.89의 관계를 가진다. 또한, 둘레 방향 보강층(145)의 폭 Ws와, 카커스 층(13)의 단면폭 Wca가, 0.60≤Ws/Wca≤0.70의 관계를 가진다.

空気入りタイヤ

Luftreifen

In diesem Luftreifen 1 beinhaltet eine Gürtelschicht 14 einen inneren Kreuzgürtel 142 und einen äußeren Kreuzgürtel 143, von denen jeder einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 46 Grad und nicht mehr als 80 Grad und Bandwinkel mit umgekehrten Vorzeichen hat; die Umfangsverstärkungsschicht 145 einen Bandwinkel in Bezug auf die Reifenumfangsrichtung innerhalb des Bereichs ±5 Grad hat und zwischen dem inneren Kreuzgürtel 142 und dem äußeren Kreuzgürtel 143 angebracht ist; und der ergänzende Gürtel 144 einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 10 Grad und nicht mehr als 45 Grad aufweist und an der Innenseite in Reifenradialrichtung des inneren Kreuzgürtels 142 angebracht ist. Auch haben der ergänzende Gürtel 144 und der innere Kreuzgürtel 142 Bandwinkel mit umgekehrten Vorzeichen.

REINFORCEMENT FOR CROWN OF PNEUMATIC TIRE, COMPOSED OF TWO WORKING CROWN LAYERS AND ONE LAYER OF CIRCUMFERENTIAL REINFORCEMENT ELEMENTS

L'invention concerne un pneumatique, comprenant une armature de sommet constituée de deux couches de sommet de travail (4) d'éléments de renforcement (41, 42) et d'au moins une couche (43) d'éléments de renforcement circonférentiels. Selon l'invention, les deux couches de sommet de travail (41, 42)et ladite au moins une couche (43) d'éléments de renforcement circonférentiels sont seules présentes pour constituer l'armature de sommet sur au moins 40% de la largeur de la bande de roulement, la valeur absolue de la différence entre les valeurs absolues des angles a2 et al étant supérieure à 12°, a2 étant plus grand que al en valeur absolue, l'angle moyen a satisfaisant la relation 14+13 1 *exp(-L/100) < a < 28+110 *exp(-L/100), et le ratio d'utilisation du potentiel de rupture F2/FR2 de la couche de travail (42) radialement la plus extérieure étant inférieur à 1/6.

PNEUMATIC TIRE

Defined are: a first imaginary line that passes through a ground-contacting surface in a meridional cross section of a tread part; a second imaginary line that passes through the bottom part of a shoulder main groove and is parallel to the first imaginary line; an intersection point between the second imaginary line and a surface of a shoulder land part located outside a ground-contacting end in the tire width direction; and a tire equatorial plane. When A is the distance between the tire equatorial plane and the intersection point in the tire width direction, B is the depth of the shoulder main groove, and C is the distance between the tire equatorial plane and the ground-contacting end in the tire width direction, the condition 0.80 = (B+C)/A = 1.15 is satisfied. When Q is the distance between the tire equatorial plane and an end of a belt ply, of two belt plies forming a cross-ply belt layer, that has a shorter dimension in the tire width direction, the condition 0.75 = Q/C = 0.95 is ...

The two-wheeled motor vehicle pneumatic tire

PNEUMATIC TIRE HAVING A CARCASS REINFORCEMENT SOFTENED

TIRE HAVING ARMATURES OF CABLES INCLUDE SOIL

L'invention concerne un pneumatique comprenant une armature de sommet formée d'au moins deux couches de sommet de travail d'éléments de renforcement. Selon l'invention, le pneumatique comprend additionnellement dans chaque épaule au moins une extrémité d'une couche d'éléments de renforcement, parallèles entre eux dans la couche et orientés circonférentiellement, ladite extrémité étant axialement extérieure aux extrémités desdites au moins deux couches de sommet de travail, les éléments de renforcement de l'armature de carcasse présentant un diamètre inférieur à 1 mm et étant composés de fils de diamètre strictement supérieur à 0.16 mm, et lesdits éléments de renforcement de l'armature de carcasse étant des câbles métalliques, avantageusement non frettés, présentant au test dit de perméabilité un débit inférieur à 20 cm3/mn.

TOP GATE TYPE HEAVY CIVIL ENGINEERING

La présente invention concerne un pneumatique radial, destiné à équiper un véhicule lourd de génie civil et, plus particulièrement, le sommet d'un tel pneumatique. Les inventeurs se sont donnés pour objectif de désensibiliser l'armature de sommet d'un tel pneumatique aux sollicitations mécaniques générées par les pierres présentes sur le sol. Cet objectif a été atteint par un pneumatique (1) comprenant une bande de roulement (2), une armature de sommet (3) radialement intérieure à la bande de roulement (2) et une armature de carcasse (4) radialement intérieure à l'armature de sommet (3). L'armature de sommet (3) comprend radialement de l'extérieur vers l'intérieur : une armature de protection (5) comprenant deux couches de protection (51, 52) comprenant des renforts métalliques élastiques, parallèles entre eux dans chaque couche et croisés d'une couche à la suivante, en formant avec la direction circonférentielle (YY') des angles respectifs A1 et A2, une armature de travail (6) comprenant ...

COMPRISING TIRE OF the CABLES Of REINFORCEMENT OF CARCASS PRESENTING a LOW PERMEABILITY, AND TEXTILE WIRE ASSOCIATE WITH the REINFORCEMENT OF CARCASS

L'invention concerne un pneumatique à armature de carcasse radiale, constituée d'au moins une couche d'éléments de renforcement métalliques, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement, ladite bande de roulement étant réunie à deux bourrelets par l'intermédiaire de deux flancs. Selon l'invention, les éléments de renforcement métalliques d'au moins une couche de l'armature de carcasse sont des câbles présentant au test dit de perméabilité un débit inférieur à 20 cm /mn et au moins une couche de l'armature de carcasse est pourvue sur au moins une face de fils textiles, et au moins la couche de mélange élastomérique radialement extérieure à la tringle et au contact de celle-ci, est un mélange élastomérique à base de caoutchouc naturel ou de polyisoprène synthétique et d'une charge renforçante conférant une cohésion élevée. The invention relates to a tire with a radial carcass reinforcement, consisting of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, itself capped radially with a tread, said tread being joined to two beads by means of two flanks. According to the invention, the metal reinforcing elements of at least one layer of the carcass reinforcement are cables presenting, in the so-called permeability test, a flow rate of less than 20 cm / min and at least one layer of the carcass reinforcement. is provided on at least one side with textile threads, and at least the elastomeric mixture layer radially external to the bead wire and in contact therewith, is an elastomeric mixture based on natural rubber or synthetic polyisoprene and a filler reinforcing giving a high cohesion.

pneu com banda de rodagem com densidade de ranhura transversal variável e coroa redonda

TIRE COMPRISING CABLES FOR REINFORCING THE CASING HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CASING REINFORCEMENT

The invention relates to a tire having a radial casing reinforcement (2), consisting of at least one layer of metal reinforcement elements, including a crown reinforcement (6) that is radially covered by a tread (7) that is joined to two beads via two sidewalls. Said metal reinforcement elements are cables having a flow rate of less than 20 cm3/min in the perviousness test. At least one layer of the casing reinforcement is provided on at least one surface of staple textile threads (12), one end (17) of a textile thread being positioned on the turn-up (5) of the casing reinforcement around rods (4), and the other end (13) being radially inside the orthogonal projection (9) of the shoulder end (11) on said surface of said layer of the casing reinforcement.

Luftreifen

In diesem Luftreifen (1) weist eine Gürtelschicht (14) Folgendes auf: Einen Innenseiten-Kreuzgürtel (142) und einen Außenseiten-Kreuzgürtel (143), die Gürtelwinkel von mindestens 46° und höchstens 80° als absolute Werte in Bezug auf eine Reifenumfangsrichtung aufweisen, wobei die Gürtelwinkel einander entgegengesetzte Vorzeichen aufweisen, eine Umfangsverstärkungsschicht (145), die einen Gürtelwinkel aufweist, der einen Bereich von ±5° in Bezug auf die Reifenumfangsrichtung erfüllt und zwischen dem Innenseiten-Kreuzgürtel (142) und dem Außenseiten-Kreuzgürtel (143) angeordnet ist, und einen Ergänzungsgürtel 144, der einen Gürtelwinkel von mindestens 10° und höchstens 45° als einen absoluten Wert in Bezug auf die Reifenumfangsrichtung aufweist und auf der Außenseite in Reifenradialrichtung des Außenseiten-Kreuzgürtels (143) angeordnet ist. Außerdem weisen der Ergänzungsgürtel 144 und der Außenseiten-Kreuzgürtel 143 Gürtelwinkel von einander entgegengesetzten Vorzeichen auf.

Tire

The invention relates to a tire with radial carcass reinforcement, made up of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself radially capped by a tread, the said tread being connected to two beads via two side walls, the said tire comprising a first layer of polymer compound radially between the carcass reinforcement and the radially innermost layer of reinforcing elements of the crown reinforcement. According to the invention, the said first layer of polymer compound constitutes a buffer zone designed to trap oxygen on the outside of the said first layer, the axial width of the said first layer being at least equal to 70% of the width of the radially innermost layer of reinforcing elements of the crown reinforcement.

Pneumatic tire for two-wheeled motor vehicle

A two-wheeled motor vehicle pneumatic tire ( 10 ) includes: a carcass layer ( 14 ) straddling a pair of bead portions ( 12 ); an inclined belt layer ( 18 ) that is disposed at a tire radial direction outer side of a crown portion ( 14 C) of the carcass layer ( 14 ), and that includes a plurality of cords ( 18 A) that are inclined with respect to the tire circumferential direction; and a spiral belt layer ( 20 ) that is disposed at the tire radial direction outer side of the inclined belt layer ( 18 ), and that is formed by winding a rubber-covered cord ( 20 A) in a spiral shape in the tire circumferential direction.

PNEUMATIC TIRE

The pneumatic tire includes a carcass layer, a belt layer disposed on an outer side of the carcass layer in a radial direction, and a tread rubber disposed on an outer side of the belt layer in the radial direction. Additionally, the carcass layer has a cord angle of 80° or more and 100° or less. Additionally, the belt layer is formed by layering a first reinforcing belt, a second reinforcing belt that is narrower than the first reinforcing belt, and an auxiliary belt that is spaced apart from a tire equatorial plane and disposed between the carcass layer and the first reinforcing belt. Additionally, the first reinforcing belt has a cord angle of 11° or more and 30° or less, the second reinforcing belt has a cord angle of 1° or more and 11° or less, and the auxiliary belt has a cord angle of 55° or more and 70° or less. 1. A pneumatic tire , comprising:a carcass layer;a belt layer disposed on an outer side of the carcass layer in a radial direction; anda tread rubber disposed on an outer side of the belt layer in the radial direction,the carcass layer having a cord angle of 80° or more and 100° or less,the belt layer being formed by layering a first reinforcing belt, a second reinforcing belt that is narrower than the first reinforcing belt, and an auxiliary belt that is spaced apart from a tire equatorial plane and disposed between the carcass layer and the first reinforcing belt,the first reinforcing belt having a cord angle of 11° or more and 30° or less,the second reinforcing belt having a cord angle of 1° or more and 11° or less, andthe auxiliary belt having a cord angle of 55° or more and 70° or less.255. The pneumatic tire according to claim 1 , wherein a distance De from the tire equatorial plane to an outer end portion of the auxiliary belt in a tire width direction has a relationship 0.60≤De/(TDW/2)≤0.90 with respect to a developed tread half-width TDW/2.35511. The pneumatic tire according to claim 1 , wherein a distance De from the tire equatorial plane ...

MOTORCYCLE PNEUMATIC TIRE

A motorcycle pneumatic tire includes a belt, in a tire tread, including a circumferential belt layer formed by cords extending in the tread circumferential direction and covered by rubber and a width direction belt layer, provided outward in the tire radial direction from the circumferential belt layer, formed by cords extending in the tire width direction and covered by rubber; sections of cushion rubber, provided outward in the tire radial direction from the belt, separated in the tire width direction with the tire equatorial plane therebetween; and base rubber, provided in the area of separation between the sections of cushion rubber or outward in the tire radial direction from the area of separation, having a higher elastic modulus than the cushion rubber. Wn>Wb, where Wn is the length of the area of separation and Wb is the length of the base rubber in a tire width direction cross-section. 1. A motorcycle pneumatic tire comprising:a belt, in a tire tread, including a circumferential belt layer formed by a plurality of cords extending in a tread circumferential direction and covered by rubber and a width direction belt layer, provided outward in a tire radial direction from the circumferential belt layer, formed by a plurality of cords extending in a tire width direction and covered by rubber;sections of cushion rubber, disposed outward in the tire radial direction from the belt, separated in the tire width direction with a tire equatorial plane therebetween; andbase rubber, disposed in an area of separation between the sections of cushion rubber or outward in the tire radial direction from the area of separation, having a higher elastic modulus than the cushion rubber, whereinWn>Wb, where Wn is a length of the area of separation in a tire width direction cross-section and Wb is a length of the base rubber in a tire width direction cross-section.2. The motorcycle pneumatic tire of claim 1 , wherein Wn/Wb≦1.8.3. The motorcycle pneumatic tire of claim 1 , wherein ...

Low-Metal Tire

A tire includes a carcass ply and at least one annular structure associated with the carcass ply. The tire further includes a metal-free circumferential belt region comprising a first metal-free belt ply and a second metal-free belt ply. The tire also has a metal-free cap ply disposed radially outward of the first metal-free belt ply and the second metal-free belt ply. The tire also includes a metal-free circumferential tread that contacts a road, and a pair of sidewalls associated with at least one annular structure and the metal-free circumferential tread. 1. A tire comprising:a first annular bead and a second annular bead;a body ply extending between the first annular bead and the second annular bead;a circumferential belt disposed radially outward of the body ply and extending axially across a portion of the body ply;a first reinforcement ply disposed radially outward of the circumferential belt and extending axially across a portion of the body ply;a circumferential tread disposed radially outward of the first reinforcement ply and extending axially across a portion of the body ply;a first sidewall extending between the first annular bead and a first shoulder, the first shoulder being associated with the circumferential tread; anda second sidewall extending between the second annular bead and a second shoulder, the second shoulder being associated with the circumferential tread,wherein the tire has a 1 degree cornering coefficient of between 0.09 and 0.40, and only the first and second annular beads contain metal.2. The tire of claim 1 , further comprising a second circumferential belt disposed radially between the circumferential belt and the first reinforcement ply.3. The tire of claim 1 , further comprising a second reinforcement ply disposed between the circumferential tread and the body ply.4. The tire of claim 3 , wherein the tire has a 1 degree cornering coefficient of 0.15 to 0.30.5. The tire of claim 3 , wherein the first reinforcement ply has first ...

PNEUMATIC TIRE

To reduce noise while suppressing increase in rolling resistance, without affecting the formation of a carcass line, provided is a pneumatic tire () including: a carcass (); an inclined belt (), and an inner liner (). The inclined belt () is disposed on the tire radial outer side of the crown portion of the carcass (). The inclined belt () includes at least one inclined belt layer (). The inclined belt layer () has cords extending as being inclined at 35″ or more with respect to the tire circumferential direction. The inner liner () has a thickness of mm or more at least in part of a side portion (). 1. A pneumatic tire , comprising:a carcass extending across a pair of bead portions;an inclined belt which is disposed on the tire radial outer side of a crown portion of the carcass and includes inclined belt layers each having cords extending as being inclined with respect to the tire circumferential direction; andan inner liner disposed on the inside of the carcass, wherein:the inner liner has a thickness of 1.5 mm or more at least in part of a side portion of the tire; andthe inclined belt layers include at least one inclined belt layer that has cords inclined at an inclination angle of 35° or more with respect to the tire circumferential direction.2. The pneumatic tire according to claim 1 , wherein the inner liner has a thickness of 2.8 mm or less.3. The pneumatic tire according to claim 1 , wherein the inner liner has a thickness claim 1 , at least in part of the side portion claim 1 , larger than the thickness thereof in the rest of the side portion.4. The pneumatic tire according to claim 1 , wherein:{'sub': 1', '2', '1', '2, 'claim-text': [{'br': None, 'sub': '1', '35°≦θ≦85°; and'}, {'br': None, 'sub': '2', '10°≦θ30°, and'}], 'the inclined belt has at least two layers of the inclined belt layers different in width in the tire width direction, of which the widest inclined belt layer has cords inclined at an inclination angle θwith respect to the tire ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer formed by laminating an angle belt having a belt angle ≧45° and ≦70° in absolute values, a pair of cross belts, having belt angles of ≧10° and ≦45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction. A tread width TW and a cross-sectional width Wca of the carcass layer have a relationship such that 0.82≦TW/Wca≦0.92. A width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer such that 0.60≦Ws/Wca≦0.70. 1. A pneumatic tire comprising a carcass layer , a belt layer disposed on an outer side of the carcass layer in a tire radial direction , and a tread rubber disposed on the outer side of the belt layer in the tire radial direction , whereinthe belt layer is formed by laminating a large angle belt having a belt angle of not less than 45° and not more than 70° in absolute values, a pair of cross belts having belt angles of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction,a tread width TW and a cross-sectional width Wca of the carcass layer have a relationship such that 0.82≦TW/Wca≦0.92, anda width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer have a relationship such that 0.60≦Ws/Wca≦0.70.222. The pneumatic tire according to claim 1 , wherein a width Wb of a wider cross belt of the pair of cross belts claim 1 , and the cross-sectional width Wca of the carcass layer have a relationship such that 0.79≦Wb/ ...

Pneumatic Tire

The present technology pertains to a pneumatic tire () comprising: a pair of bead portions (); sidewall portions () connected to the pair of bead portions; and a tread portion () connected to the sidewall portions. A ratio between a total width (SW) and an outer diameter (OD) of the pneumatic tire satisfies the relationship SW/OD≦0.3. Moreover, if the length along a tread profile () from a first side second reference point (Q) to a second side second reference point (Q) is the developed tread width (TDW), and an angle formed between a straight line that connects the second reference points and the profile center (cc), and a straight line parallel to the tire width direction is an amount of depression (θ), the following relationships are satisfied: 0.8≦TDW/SW<1, and 1.5°≦θ≦4.5°. 1. A pneumatic tire , comprising: a pair of bead portions; sidewall portions connected to the pair of bead portions; and a tread portion connected to the sidewall portions; wherein {'br': None, 'SW/OD≦0.3,'}, 'a ratio between a total width SW and an outer diameter OD of the pneumatic tire satisfies a relationship'}a tread profile that is a profile line of a surface of the tread portion in cross-sectional view in a tire meridian direction is formed by connecting a plurality of arcs with different radii of curvature, including a center portion arc located in a center in a tire width direction, side portion arcs located on an outermost side in the tire width direction of the tread portion, and shoulder side arcs connected to the side portion arcs and located on the outer side in the tire width direction next to the side portion arcs, and [{'br': None, '0.8≦TDW/SW<1'}, {'br': None, '1.5°≦θ≦4.5°'}], 'in a cross-sectional view in the tire meridian direction, when a point of intersection of an extended line of the shoulder side arc and an extended line of the side portion arc on a first side is a first side first reference point, a point of intersection of a straight line passing through the first ...

PNEUMATIC TIRE

In a tire , a difference Fs (((Dd−De)/W)×100) in an amount of protrusion is greater than −0.4 and less than 0.5. A sum Fa (((Dd+De)/W)×100) of amounts of protrusions for a sidewall satisfies mathematical expressions (3) and (4) in which an aspect ratio A is used, and a difference Gs (((Da−Dh)/W)×100) in an amount of protrusion for a tread satisfies mathematical expressions (6) and (7). 1. A pneumatic tire comprising:a tread having an outer surface that forms a tread surface;a pair of sidewalls that extend almost inward from ends, respectively, of the tread in a radial direction;a carcass that is extended along inner sides of the tread and the sidewalls; anda belt that is disposed outward of the carcass in the radial direction and layered over the carcass, whereinthe belt has an inner layer, and an outer layer layered over the inner layer,the tread surface has grooves,a position, on an equator plane, of the tread surface is represented as a point Pa,positions, on the tread surface, which are distant from each other by 0.8 times a width Wb, in an axial direction, of a region where the inner layer and the outer layer of the belt are layered over each other, are each represented as a point Ph,positions, on axially outer side surfaces of the sidewalls, which are distant from each other with a maximum width, are each represented as a point Pe,positions, on the axially outer side surfaces of the sidewalls, each of which is a midpoint between the point Pa and the point Pe in the radial direction, are each represented as a point Pd,a nominal width is represented as W (mm),in an internal pressure state where an internal pressure that is 0.05 times a normal internal pressure P has been increased to the normal internal pressure P, an amount of protrusion at the point Pa is represented as an amount of protrusion Da (mm), an amount of protrusion at the point Ph is represented as an amount of protrusion Dh, an amount of protrusion at the point Pd is represented as an amount of ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer disposed on an outer side of the carcass layer in a tire radial direction, and a tread rubber disposed on the outer side of the belt layer in the tire radial direction. The belt layer formed by laminating an angle belt having a belt angle≧45° and ≦70° in absolute values, a pair of cross belts, having belt angles of ≧10° and ≦45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction. A tread width TW and a total tire width SW such that 0.79≦TW/SW≦0.89. A width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer such that 0.60≦Ws/Wca≦0.70. 1. A pneumatic tire comprising a carcass layer , a belt layer disposed on an outer side of the carcass layer in a tire radial direction , and a tread rubber disposed on the outer side of the belt layer in the tire radial direction , whereinthe belt layer is formed by laminating a large angle belt having a belt angle of not less than 45° and not more than 70° in absolute values, a pair of cross belts having belt angles of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction,a tread width TW and a total tire width SW have a relationship such that 0.79≦TW/SW≦0.89, anda width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer have a relationship such that 0.60≦Ws/Wca≦0.70.2. A pneumatic tire comprising a carcass layer , a belt layer disposed on an outer side of the carcass layer in a tire radial direction , and a tread rubber disposed on the outer side of the belt layer in the tire radial direction , whereinthe belt layer is formed by laminating a large angle ...

PNEUMATIC TIRE

In a tire , a band has a jointless structure. A reinforcing layer is layered over the band from a radially outer side of the band . In the reinforcing layer , a reinforcing cord is extended alternately on and between one end portion of the band and the other end portion of the band , so as to extend in the circumferential direction. A direction in which the reinforcing cord extends is tilted relative to the circumferential direction between one of ends of the band and the other of the ends of the band . An absolute value of an angle of the reinforcing cord relative to the circumferential direction is greater than or equal to 70°. 1. A pneumatic tire comprising:a tread;a pair of beads;a carcass;a band; anda reinforcing layer, whereineach of the beads is disposed inward of the tread in a radial direction,the carcass has a radial structure, and is extended on and between one of the beads and the other of the beads;the band is disposed between the tread and the carcass in the radial direction, and the band includes a band cord that is helically wound;the reinforcing layer is layered over the band from a radially outer side of the band, and the reinforcing layer is formed from a ribbon that is wound at least once in a circumferential direction, and the ribbon includes a reinforcing cord,in the reinforcing layer, the reinforcing cord is extended alternately on and between one end portion of the band and the other end portion of the band, so as to extend in the circumferential direction,a direction in which the reinforcing cord extends is tilted relative to the circumferential direction between one of ends of the band and the other of the ends of the band, andan absolute value of an angle of the reinforcing cord relative to the circumferential direction is greater than or equal to 70°.2. The pneumatic tire according to claim 1 , wherein the absolute value of the angle of the reinforcing cord relative to the circumferential direction is not greater than 89°.3. The pneumatic ...

PNEUMATIC TIRE FOR MOTORCYCLE

The present invention aims at providing a pneumatic tire for a motorcycle, capable of improving steering stability and wear resistance in a turning situation with maintaining good turning performance achieved by a relatively wide auxiliary belt layer. Specifically, the present invention provides a pneumatic tire for a motorcycle, characterized in that: the auxiliary belt layer is sectioned into a middle area Am overlapping a region where the belt layer is provided and respective side areas As each extending beyond the region where the belt layer is provided; the cords in the middle area Am extend at an inclination angle θm in the range of 70° to 90° with respect to the tire circumferential direction; and the cords in each side area As extend, in at least a portion of the side area, at an inclination angle θs different from the inclination angle θm with respect to the tire circumferential direction. 1. A pneumatic tire for a motorcycle , having: a radial carcass constituted of at least one carcass ply formed by a plurality of cords extending at an inclination angle in the range of 70° to 90° with respect to the tire circumferential direction; a belt layer having cords and provided on the outer peripheral side of a crown region of the radial carcass; a single auxiliary belt layer constituted of a plurality of cords and provided on the outer peripheral side of the belt layer; and a tread rubber provided on the outer peripheral side of the auxiliary belt layer to form a tread ground-contact surface , wherein a periphery width of the auxiliary belt layer is larger than a periphery width of the belt layer , characterized in that:the auxiliary belt layer is sectioned into a middle area overlapping a region where the belt layer on the inner peripheral side of the auxiliary belt is provided and respective side areas each extending beyond the region where the belt layer is provided;the cords of the auxiliary belt layer in the middle area thereof extend at a constant ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer radially outward of the carcass layer, and a tread rubber radially outward of the belt layer. The belt layer includes an angle belt having a belt angle ≥45° and ≤70° in absolute values, a pair of cross belts having belt angles of ≥10° and ≤45° in absolute values and having belt angles of mutually opposite signs, and a reinforcing layer having a belt angle within ±5° relative to a circumferential direction. A width Ws of the reinforcing layer and a cross-sectional width Wca of the carcass layer satisfy 0.60≤Ws/Wca≤0.70. The cross belts are radially outward of the large angle belt. The reinforcing layer is radially outward of the pair of cross belts. A width Wb of a wider cross belt of the pair and Wca satisfy 0.79≤Wb/Wca≤0.89. 1. A pneumatic tire comprising a carcass layer , a belt layer disposed on an outer side of the carcass layer in a tire radial direction , and a tread rubber disposed on the outer side of the belt layer in the tire radial direction , whereinthe belt layer is formed by laminating a large angle belt having a belt angle of not less than 45° and not more than 70° in absolute values, a pair of cross belts having belt angles of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction,the pair of cross belts are disposed on the outer side in the tire radial direction of the large angle belt,the circumferential reinforcing layer is disposed on the outer side in the tire radial direction of the pair of cross belts,a width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer have a relationship such that 0.60≤Ws/Wca≤0.70; and{'b': 2', '2, 'a width Wb of a wider cross belt of the pair of cross belts, and the cross-sectional width Wca of the carcass layer have a relationship ...

Pneumatic Tire

A pneumatic tire comprises a carcass layer, a belt layer radially outward of the carcass layer, and a tread rubber radially outward of the belt layer. The belt layer includes an angle belt having a belt angle ≥45° and ≤70° in absolute values, a pair of cross belts having belt angles of ≥10° and ≤45° in absolute values and having belt angles of mutually opposite signs, and a reinforcing layer having a belt angle within ±5° relative to a circumferential direction. A width Ws of the reinforcing layer and a cross-sectional width Wca of the carcass layer satisfy 0.60≤Ws/Wca≤0.70. The cross belts are radially outward of the large angle belt. The reinforcing layer is radially inward of the pair of cross belts. A width Wb2 of a wider cross belt of the pair and Wca satisfy 0.79≤Wb2/Wca≤0.89. 1. A pneumatic tire comprising a carcass layer , a belt layer disposed on an outer side of the carcass layer in a tire radial direction , and a tread rubber disposed on the outer side of the belt layer in the tire radial direction , whereinthe belt layer is formed by laminating a large angle belt having a belt angle of not less than 45° and not more than 70° in absolute values, a pair of cross belts having belt angles of not less than 10° and not more than 45° in absolute values and having belt angles of mutually opposite signs, and a circumferential reinforcing layer having a belt angle within a range of ±5° with respect to a tire circumferential direction,the pair of cross belts are disposed on the outer side in the tire radial direction of the large angle belt,the circumferential reinforcing layer is disposed on the inner side in the tire radial direction of the pair of cross belts,a width Ws of the circumferential reinforcing layer and a cross-sectional width Wca of the carcass layer have a relationship such that 0.60≤Ws/Wca≤0.70; anda width Wb2 of a wider cross belt of the pair of cross belts, and the cross-sectional width Wca of the carcass layer have a relationship such that 0.79≤ ...

TIRE

A tire that has a spiral cord layer including reinforcing cords on a tire crown portion to inhibit breakage of the reinforcing cords caused by a projection input given to an end of the spiral cord layer during running. The tire includes: a carcass toroidally extending between a pair of bead portions; and a spiral cord layer disposed tire-radially outside the crown portion of the carcass and including an upper layer and a lower layer that are formed by spirally winding the reinforcing cords. An auxiliary belt layer is disposed tire-radially outside the spiral cord layer and an angle of belt cords in the auxiliary belt layer with respect to a tire circumferential direction is in a range of 0° to 45°. 1. A tire comprising:a carcass toroidally extending between a pair of bead portions; anda spiral cord layer disposed tire-radially outside a crown portion of the carcass and including an upper layer and a lower layer that are formed by spirally winding reinforcing cords,wherein an auxiliary belt layer is disposed tire-radially outside the spiral cord layer and an angle of belt cords in the auxiliary belt layer with respect to a tire circumferential direction is in a range of 0° to 45°.2. The tire according to claim 1 , comprising a core cord layer between the upper layer and the lower layer of the spiral cord layer.3. The tire according to claim 2 , wherein an angle of core cords in the core cord layer with respect to the tire circumferential direction is in a range of 40° to 90°.4. The tire according to claim 1 , wherein an angle of the reinforcing cords in the spiral cord layer with respect to the tire circumferential direction is in a range of 12° to 90°.5. The tire according to claim 2 , wherein an angle of the reinforcing cords in the spiral cord layer with respect to the tire circumferential direction is in a range of 12° to 90°.6. The tire according to claim 3 , wherein an angle of the reinforcing cords in the spiral cord layer with respect to the tire ...

Pneumatic Tire

A pneumatic tire includes an inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive; a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of ±5° with the tire circumferential direction; and a supplemental belt arranged outside the outer-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value between 10° and 45° inclusive. 1. A pneumatic tire comprising: a carcass layer; a belt layer arranged outside of the carcass layer in a radial direction of the tire; at least three circumferential main grooves provided with a tread rubber arranged outside the belt layer in the radial direction of the tire and extending in a tire circumferential direction; and a plurality of land portions defined by the circumferential main grooves;the belt layerincluding an inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive;a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of ±5° with the tire circumferential direction; anda supplemental belt arranged outside the outer-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value from 10° to 45°, inclusive.2. The pneumatic tire according to claim 1 , wherein the supplemental belt and the outer-side cross belt have belt angles with the same sign.3. The pneumatic tire according to claim 1 , wherein the inner-side cross belt is arranged next to the carcass layer.4. The pneumatic tire according to claim 1 , wherein the relationship between the width Wb4 of the ...

PNEUMATIC TIRE

In a pneumatic tire, a belt layer includes an inner-side cross belt and an outer-side cross belt each having an absolute value of a belt angle with respect to the tire circumferential direction of not less than 46 degrees and not more than 80 degrees and having the belt angles with signs that are opposite to each other. The circumferential reinforcing layer has a belt angle with respect to the tire circumferential direction within the range ±5 degrees and disposed between the inner-side cross belt and outer-side cross belt. The supplemental belt has an absolute value of a belt angle with respect to the tire circumferential direction of not less than 10 degrees and not more than 45 degrees, and is disposed on the inner side in the tire radial direction of the inner-side cross belt. The supplemental belt and the inner-side cross belt have belt angles with opposite signs. 1. A pneumatic tire , comprising: a carcass layer; a belt layer disposed on an outer side in a tire radial direction of the carcass layer; tread rubber disposed on the outer side in the tire radial direction of the belt layer; at least three circumferential main grooves extending in a tire circumferential direction; and a plurality of land portions partitioned by the circumferential main grooves ,the belt layer includingan inner-side cross belt and an outer-side cross belt each having an absolute value of a belt angle with respect to the tire circumferential direction of not less than 46 degrees and not more than 80 degrees and having the belt angles with signs that are opposite to each other;a circumferential reinforcing layer having a belt angle with respect to the tire circumferential direction in a range of ±5 degrees, and disposed between the inner-side cross belt and the outer-side cross belt; anda supplemental belt having an absolute value of a belt angle with respect to the tire circumferential direction of not less than 10 degrees and not more than 45 degrees, and disposed on an inner side in ...

Tire Comprising Variable Thicknesses Of The Rubber Mixtures Inside The Carcass Reinforcement

A tire comprises two working crown layers of reinforcing elements and, in each shoulder, an end of a layer of parallel reinforcing elements oriented circumferentially, said end being axially outside the working crown layers. The reinforcing elements have a diameter less than 1 mm and comprise threads with a diameter strictly greater than 0.16 mm, and, in a radial plane, the ratio between the thicknesses of rubber compound between the inner surface of the tire cavity and that point of a metal reinforcing element of the carcass reinforcement that is closest to said inner surface of the cavity, of the two parts of the tire profile that are centered on the respective orthogonal projections onto the inner surface of the tire cavity of the axially outer ends of said additional layers, and of the parts of the tire profile that have the smallest thicknesses, being greater than 1.15. 1. A tire for a heavy goods vehicle , having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements that are crossed from one layer to another , forming angles of between 10° and 45° with the circumferential direction , said crown reinforcement itself being capped radially with a tread , said tread being joined to two beads by way of two sidewalls , wherein it additionally comprises , in each shoulder , at least one end of a layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially , wherein said end of said additional layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially is axially outside said at least two working crown layers , wherein the reinforcing elements of the carcass reinforcement have a diameter less than 1 mm , wherein said reinforcing elements of the carcass reinforcement are made up of threads with a diameter strictly greater than 0.16 mm , and wherein , in a radial plane , the ratio between the thicknesses ...

Tire Having A Softened Carcass Reinforcement

A crown reinforcement formed of at least two working crown layers of reinforcing elements. The tire additionally comprises, in each shoulder, at least one end of a layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially, said end being axially outside said at least two working crown layers, the reinforcing elements of the carcass reinforcement having a diameter less than 0.85 mm, and said reinforcing elements of the carcass reinforcement being made up of threads with a diameter less than 0.16 mm. 1. A tire for a heavy goods vehicle , having a radial carcass reinforcement comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements that are crossed from one layer to another , forming angles of between 10° and 45° with the circumferential direction , said crown reinforcement itself being capped radially with a tread , said tread being joined to two beads by way of two sidewalls , wherein it additionally comprises , in each shoulder , at least one end of a layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially , wherein said end of said layer of reinforcing elements that are mutually parallel in the layer and are oriented circumferentially is axially outside said at least two working crown layers , wherein the reinforcing elements of the carcass reinforcement have a diameter less than 0.85 mm , and wherein said reinforcing elements of the carcass reinforcement are made up of threads with a diameter less than 0.16 mm.2. The tire according to claim 1 , wherein the metal reinforcing elements of at least one layer of the carcass reinforcement are cords claim 1 , advantageously non-wrapped cords claim 1 , that return a flow rate less than 20 cm/min in what is referred to as the permeability test.3. The tire according to claim 1 , wherein the metal reinforcing elements of at least one layer of the carcass reinforcement are cords ...

PNEUMATIC TIRE

At a pneumatic tire (), in a pneumatic tire in which a reinforcing layer () is structured from at least one reinforcing ply () in which are embedded plural reinforcing cords () that are formed from steel and are inclined with respect to a tire equator S, an inclination angle A of the reinforcing cords () with respect to the tire equator S is within a range of 40 to 90°, and a compressive rigidity F per 50 mm width of a reinforcing layer () in a direction parallel to the reinforcing cords () is within a range of 1000 to 2400 N. 1. A pneumatic tire that is structured from: a carcass layer that extends in a toroidal shape , both end portions of the carcass layer in a transverse direction being folded-over onto a pair of bead cores , and the carcass layer being structured from two or more carcass plies in which are embedded a plurality of carcass cords that are formed from organic fibers and are inclined with respect to a tire equator S; a belt layer that is disposed at a radial direction outer side of the carcass layer; a tread that is disposed at a radial direction outer side of the belt layer; and a reinforcing layer that is disposed between adjacent carcass plies at a position that overlaps the belt layer in a radial direction , the reinforcing layer being structured from at least one reinforcing ply in which are embedded a plurality of reinforcing cords that are formed from steel and that are inclined with respect to the tire equator S ,wherein an inclination angle A of the reinforcing cords with respect to the tire equator S is within a range of 40 to 90°, and a compressive rigidity F per 50 mm width of the reinforcing layer, in a direction parallel to the reinforcing cords, is within a range of 1000 to 2400 N.2. The pneumatic tire of claim 1 , wherein a tread surface of the tread is sectioned into a plurality of land portions by grooves claim 1 , and a tire transverse direction length of an inner side land portion claim 1 , which is positioned at a position ...

MOTORCYCLE TIRE

A motorcycle tire includes, on an outer circumferential side of a crown region of a radial carcass, a belt layer, a single auxiliary belt layer, and a tread rubber in the stated order, a periphery width of the auxiliary belt layer being greater than a periphery width of the belt layer. The cords of the auxiliary belt layer extend in a direction in which an inclination angle of the cords of the auxiliary belt layer with respect to a tire circumferential direction gradually decreases from each of both ends of a tire equatorial region including a tire equatorial plane toward a corresponding ¼ position which is at a distance of ¼ of the periphery width of the auxiliary belt layer from the tire equatorial plane along a periphery of the auxiliary belt layer, and the inclination angle in the ¼ position is 60° or more and 85° or less. 1. A motorcycle tire that includes , as a frame , a carcass made up of one or more radial carcass plies toroidally extending between a pair of bead portions , and includes , on an outer circumferential side of a crown region of the carcass , a belt layer made up of a plurality of rubber-coated cords , a single auxiliary belt layer made up of a plurality of rubber-coated cords , and a tread rubber in the stated order , a periphery width of the auxiliary belt layer being greater than a periphery width of the belt layer ,wherein the cords of the auxiliary belt layer extend in a direction in which an inclination angle of the cords of the auxiliary belt layer with respect to a tire circumferential direction gradually decreases from each of both ends of a tire equatorial region including a tire equatorial plane toward a corresponding ¼ position which is at a distance of ¼ of the periphery width of the auxiliary belt layer from the tire equatorial plane along a periphery of the auxiliary belt layer, and the inclination angle in the ¼ position is 60° or more and 85° or less, andthe inclination angle of the cords of the auxiliary belt layer in an end ...

PNEUMATIC TIRE

A belt layer of a pneumatic tire includes an inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive; a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of within ±5° with the tire circumferential direction; and a supplemental belt arranged inside of the inner-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value from 10° to 45°, inclusive. 1. A pneumatic tire comprising: a carcass layer; a belt layer arranged outside of the carcass layer in a radial direction of the tire; at least three circumferential main grooves provided with a tread rubber arranged outside the belt layer in the radial direction of the tire and extending in a tire circumferential direction; and a plurality of land portions defined by the circumferential main grooves;the belt layer includingan inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive;a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of ±5° with the tire circumferential direction; anda supplemental belt arranged inside of the inner-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value from 10° to 45°, inclusive.2. The pneumatic tire according to claim 1 , wherein the supplemental belt and the inner-side cross belt have belt angles with the same sign.3. The pneumatic tire according to claim 1 , wherein the supplemental belt is arranged next to the carcass layer and the inner-side cross belt.442. The pneumatic tire according to claim 1 , wherein ...

PNEUMATIC TIRE HAVING A CROWN THAT COMPRISES A REINFORCEMENT PLY AND A HIGH-TRACTION TREAD

A tire includes two beads, two sidewalls connected to the beads, and a crown. The crown includes a belt reinforcement, a tread, and a stiffening ply. The belt reinforcement has an axial width W. The tread includes tread pattern blocks and grooves having a groove bottom. The tread is made of a material that has a dynamic shear modulus G* of less than 1.25 MPa. The stiffening ply includes filamentary reinforcing elements that are rigid in terms of compression, and that are arranged under at least one of the grooves of the tread. 116-. (canceled)17. A tire comprising:two beads;two sidewalls connected to the beads; and a belt reinforcement having an axial width W,', for at least one pair of axially adjacent tread pattern blocks a groove extending at least partially circumferentially separates the at least one pair of tread pattern blocks,', 'each groove is delimited radially in an interior direction by a groove bottom, and', 'the tread is made of a material that has a dynamic shear modulus G*, at 60° C. and under 10 Hz alternating stress loading of 0.7 MPa, of less than 1.25 MPa, and, 'a tread that includes a plurality of tread pattern blocks, wherein, the filamentary reinforcing elements form, with a circumferential direction C, an angle in a range of between 50° and 90°,', 'the filamentary reinforcing elements are arranged radially outside of the belt reinforcement and axially under at least one groove of the tread, and', 'the filamentary reinforcing elements extend axially at least over a width WR of the stiffening ply, the width WR being at a minimum 50% of the axial width W of the belt reinforcement., 'a stiffening ply that includes filamentary reinforcing elements that are rigid in terms of compression, wherein], 'a crown connected on each side thereof to a radially exterior end of a respective one of the two sidewalls, the crown including18. The tire according to claim 17 , wherein the material of which the tread is made has a dynamic shear modulus G* claim 17 , ...

BICYCLE TYRE

The invention relates to a bicycle tyre. A puncture-resistant fibre layer () having a plurality of polymer, parallel running tyre reinforcing elements () is arranged between the tyre tread () and the tyre carcass. Said reinforcing elements () are arranged at an angle of between approximately 80 and 110 degrees with respect to the peripheral direction () of the bicycle tyre. 111.-. (canceled)12. A bicycle tire comprising a running strip , a tire carcass , tire side walls , and a tire bead having a core;wherein the tire carcass comprises two carcass inlays lying on top of one another which are folded back over the core and terminate in the side wall;wherein a cut-resistant fibrous layer comprising a multiplicity of polymer based strength members, running in parallel are disposed between the running strip and the tire carcass, and wherein the strength members are disposed at an angle between approximately 80 and 110 degrees in relation to the circumferential direction of the bicycle tire; and,wherein the tire side walls are reinforced and the rolling resistance is reduced by way of carcass construction.13. The bicycle tire as claimed in claim 12 , wherein the strength members of the cut-resistant fibrous layer which claim 12 , in relation to the circumferential direction of the bicycle tire claim 12 , are disposed substantially at an angle from 85 to 90 degrees.14. The bicycle tire as claimed in claim 12 , wherein the cut-resistant fibrous layer is approximately from 2 to 5 mm narrower than the running strip.15. The bicycle tire as claimed in claim 12 , wherein the strength members of the cut-resistant fibrous layer are composed of a liquid-spun polymer.16. The bicycle tire as claimed in claim 12 , wherein diameter of the strength members is approximately from 0.1 to 0.3 mm.17. The bicycle tire as claimed in claim 12 , wherein the cut-resistant fibrous layer comprises a rubber coating disposed on an upper side and a lower side claim 12 , wherein the cut-resistant ...

TIRE

A tire including a spiral cord layer constituted by a reinforcing cord in a crown portion of the tire, in which the occurrence of separation between the spiral cord layer and an auxiliary belt layer is suppressed when the auxiliary belt layer is arranged on a tire radial-direction outer side of the spiral cord layer. The tire includes: a carcass which toroidally extends between a pair of bead portions; and a spiral cord layer which is arranged on the tire radial-direction outer side of the carcass in the crown portion and in which an upper layer and a lower layer are formed by spirally winding a reinforcing cord. An auxiliary belt layer is arranged on the tire radial-direction outer side of the spiral cord layer, and belt cords of the auxiliary belt layer have an angle in a range of 30° to 90° with respect to a tire circumferential direction. 1. A tire comprising:a carcass toroidally extending between a pair of bead portions; anda spiral cord layer arranged on a tire radial-direction outer side of the carcass in a crown portion and having an upper layer and a lower layer formed by spirally winding a reinforcing cord,wherein, an auxiliary belt layer is arranged on the tire radial-direction outer side of the spiral cord layer, andbelt cords of the auxiliary belt layer have an angle in a range of 30° to 90° with respect to a tire circumferential direction.2. The tire according to claim 1 , comprising a core-material cord layer between the upper layer and the lower layer of the spiral cord layer.3. The tire according to claim 2 , wherein at least either the reinforcing cord of the spiral cord layer or core-material cords of the core-material cord layer have an angle of smaller than 30° with respect to the tire circumferential direction.4. The tire according to claim 2 , whereinthe belt cords of the auxiliary belt layer have an angle in a range of 30° to smaller than 45° with respect to the tire circumferential direction, andat least either the reinforcing cord of the ...

TIRE COMPRISING CASING-REINFORCING CABLES HAVING LOW PERMEABILITY, AND FABRIC THREADS COMBINED WITH THE CASING REINFORCEMENT

A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min and at least one layer of the carcass reinforcement is provided, on at least one face, with textile threads and at least the layer of elastomeric mixture, radially external to the bead wire and in contact with the latter, is an elastomeric mixture based on natural rubber or on synthetic polyisoprene and on a reinforcing filler conferring high cohesion. 1. A tire comprising: [{'sup': '3', 'wherein the metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min,'}, 'wherein at least one layer of the carcass reinforcement is provided, on at least one face, with textile threads, and', 'wherein at least the layer of elastomeric mixture, radially external to the bead wire and in contact with the latter, is an elastomeric mixture based on natural rubber or on synthetic polyisoprene having a majority of cis-1,4-enchainments and optionally on at least one other diene elastomer, the natural rubber or the synthetic polyisoprene, in the case of a blend, being present at a predominant content with respect to the content of the other diene elastomer or elastomers used, and on a reinforcing filler composed:', {'sup': '2', '(i) either of a white filler of silica and/or alumina type comprising SiOH and/or AlOH surface functional groups, selected from the group consisting of precipitated or fumed silicas, aluminas and aluminosilicates, or alternatively carbon blacks modified during or after the synthesis so as to at least partially cover their surface with SiOH and/or AlOH ...

TIRE COMPRISING CABLES FOR REINFORCING THE CASING HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CASING REINFORCEMENT

A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, and having a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min and at least one layer of the carcass reinforcement is provided, on at least one face, with non-continuous textile threads composed of two parts, one end of a textile thread being positioned on the turn-up of the said at least one layer of reinforcing elements around the bead wires and the other end of a textile thread being radially interior to the orthogonal projection of the shoulder end onto the said at least one face of the said at least one layer of the carcass reinforcement. 1. A tire comprising: [{'sup': '3', 'wherein the metal reinforcing elements of at least one layer of the radial carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min, wherein at least one layer of the radial carcass reinforcement is provided, on at least one face, with non-continuous textile threads comprising two parts,'}, 'wherein one end of a textile thread is positioned on a turn-up of the at least one layer of the carcass reinforcement, and', 'wherein the other end of a textile thread is radially interior to the orthogonal projection of a shoulder end onto the at least one face of the at least one layer of the carcass reinforcement;, 'a radial carcass reinforcement, comprising at least one layer of metal reinforcing elements,'}a crown reinforcement;a tread radially topping the crown reinforcement, and joined to two beads via two sidewalls, wherein each of the beads comprises a bead wire which makes possible anchoring of the carcass reinforcement in the said beads by the turn-up of the at least one layer of reinforcing elements around ...

TIRE COMPRISING CARCASS REINFORCEMENT CABLES HAVING LOW PERVIOUSNESS, AND TEXTILE THREADS ASSOCIATED WITH THE CARCASS REINFORCEMENT

A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min and at least one layer of the carcass reinforcement is provided, on at least one face, with textile threads and at least the layer of elastomeric mixture, axially in contact with the end of at least the radially innermost crown reinforcement layer and in contact with the carcass reinforcement, is an elastomeric mixture based on natural rubber or on synthetic polyisoprene and on a reinforcing filler conferring high cohesion. 1. A tire comprising: [{'sup': '3', 'wherein the metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm/min,'}, 'wherein at least one layer of the carcass reinforcement is provided, on at least one face, with textile threads, and', 'wherein at least the layer of elastomeric mixture, axially in contact with the end of at least the radially innermost crown reinforcement layer and in contact with the carcass reinforcement, is an elastomeric mixture based on natural rubber or on synthetic polyisoprene having a majority of cis-1,4-enchainments and optionally on at least one other diene elastomer, the natural rubber or the synthetic polyisoprene, in the case of a blend, being present at a predominant content with respect to the content of the other diene elastomer or elastomers used, and on a reinforcing filler composed:', {'sup': '2', '(i) either of a white filler of silica and/or alumina type comprising SiOH and/or AlOH surface functional groups, selected from the group consisting of precipitated or fumed silicas, aluminas and ...

Pneumatic vehicle tire

Pneumatic vehicle tire includes a carcass, a belt with at least three belt plies arranged one on top of the other in a radial direction and being arranged radially outside the carcass and a profiled tread arranged radially outside the belt. The at least three belt plies include a radially inner belt ply and a radially outer belt ply are working plies having parallel strength members that are embedded in rubber so that, when viewed in a circumferential direction of the vehicle tire, the strength members of the radially inner belt ply have an opposing axial direction of inclination to the strength members of the radially outer belt ply. A generally zero-degree ply is arranged between and in contact with the two working plies.

RUN-FLAT RADIAL TIRE

A run-flat radial tire () including a carcass () spanning between a pair of bead portions (), a side reinforcement layer () provided to tire side portions (), an inclined belt layer () provided at the tire radial direction outside of the carcass () and including cord inclined to a tire circumferential direction, a belt reinforcement layer () provided at the tire radial direction outside of the inclined belt layer () and including cord extending along the tire circumferential direction, and a reinforcement cord layer () provided at a tire radial direction outside of the belt reinforcement layer () and including cord inclined to the tire circumferential direction. 1. A run-flat radial tire comprising:a carcass spanning between a pair of bead portions;a side reinforcement layer provided to tire side portions that respectively couple between the bead portions and a tread portion;an inclined belt layer that is provided at a tire radial direction outside of the carcass, and that comprises cord inclined to a tire circumferential direction;a belt reinforcement layer that is provided at the tire radial direction outside of the inclined belt layer, and that comprises cord extending along the tire circumferential direction; anda reinforcement cord layer that is provided at the tire radial direction outside of the belt reinforcement layer, and that comprises cord inclined to the tire circumferential direction.2. A run-flat radial tire comprising:a carcass spanning between a pair of bead portions;a side reinforcement layer provided to tire side portions that respectively couple between the bead portions and a tread portion;an inclined belt layer that is provided at a tire radial direction outside of the carcass, and that comprises cord inclined to a tire circumferential direction;a belt reinforcement layer that is provided at the tire radial direction outside of the inclined belt layer, and that comprises cord extending along the tire circumferential direction; anda ...

Pneumatic tire

Provided is a pneumatic tire having excellent durability and driving stability during high-speed running of the vehicle (that is, during high-speed rotation of the tire). The pneumatic tire includes: a carcass; an intersecting belt which is provided on the outer circumference side of a crown portion of the carcass and formed of two inclined belt layers having cords inclined and extending in a direction intersecting each other across a tire equatorial plane; and a circumferential belt layer which is provided on either one of the inner side and the outer side of the intersecting belt in the tire radial direction and includes a spiral cord arranged as being spirally wound at an inclination angle of equal to or smaller than 5 degrees to the tire equatorial plane. Of the two inclined belt layers forming the intersecting belt, the cords in a first inclined belt layer are inclined at an inclination angle that falls within the range of 45 to 90 degrees relative to the tire equatorial plane, while the cords in a second inclined belt layer are inclined at an inclination angle that falls within the range of 15 to 45 degrees relative to the tire equatorial plane and is smaller than the inclination angle of the cords in the first inclined belt layer.

PNEUMATIC VEHICLE TIRE

The invention is directed to a pneumatic vehicle tire having a carcass and a belt built up on the radial outside of the carcass. The tire includes a profiled tread which is built up on the belt on the radial outside of the belt. The belt is formed from at least four belt plies which are arranged one on top of the other from the radial inside to the radial outside. The first belt ply and the second belt ply are crossing working plies. The reinforcing elements of the first and second belt plies are arranged at an angle of 10° to 45° to the circumferential direction. The reinforcing elements of the fourth belt ply are arranged at an angle of 40° to 75° to the circumferential direction and the reinforcing elements of the third belt ply are arranged at an angle of 0° to 5° to the circumferential direction. 1. A pneumatic vehicle tire for utility vehicles , the pneumatic vehicle tire defining a circumferential direction (U) and a radial direction (R) , the pneumatic vehicle tire comprising:a carcass;at least four belt plies arranged resting one on top the other radially inward to radially outward and said plurality of belt plies conjointly defining a tire belt configured radially outside said carcass;a profiled tread constructed radially outside said belt and built up on said belt;said at least four belt plies including a first belt ply arranged furthest inwardly in the radial direction of said at least four belt plies;said first belt ply having a plurality of parallel first reinforcement members embedded in rubber;said at least four belt plies including a second belt ply arranged on said first belt ply, a third belt ply arranged on said second belt ply and a fourth belt ply arranged on said third belt ply;said second belt ply having a plurality of parallel second reinforcement members embedded in rubber;said third belt ply having a plurality of parallel third reinforcement members embedded in rubber;said fourth belt ply having a plurality of parallel fourth reinforcement ...

Pneumatic Tire

In a pneumatic tire are defined: a first imaginary line VL 1 passing through a ground contact surface in a meridian cross section of a tread, a second imaginary line VL 2 passing through a bottom of a shoulder groove and parallel to VL 1 , an intersection point P between VL 2 and a surface of a shoulder land outward of a ground contact edge T in a lateral direction, and an equatorial plane CL. Given A as a distance in the lateral direction between P and CL, B as a groove depth of the shoulder groove, and C as a distance in the lateral direction between T and CL, 0.80≤(B+C)/A≤1.15 is satisfied. Given Q as a distance in the lateral direction between CL and an end of a belt ply that has a shorter dimension in the lateral direction, 0.75≤Q/C≤0.95 is satisfied.

Crown For Aircraft Tire

Tire for an aeroplane and, in particular, the crown thereof which comprises a tread (), a textile crown reinforcement () and a textile carcass reinforcement (). In order to optimize the number of landings, in the equatorial plane, the thickness (E) of the tread is at least equal to 1.1 times the thickness of the working reinforcement and the thickness (E) of the carcass is at least equal to 1.5 times the thickness (E) of the working reinforcement, the reinforcing elements of the working layers () having a tenacity at least equal to 90 cN/tex. 1. Tire for an aeroplane , comprising:a tread having a centre thickness that is measured in the equatorial plane, passing through the middle of the tread and perpendicular to the axis of rotation of the tire, between the radially outermost point of the tread and the radially outermost point of a crown reinforcement radially on the inside of the tread;the crown reinforcement comprising at least one working reinforcement;the working reinforcement comprising at least one working layer that has an axial width, measured over the working layer having the greatest axial width, at least equal to ⅔ of the maximum axial width of the tire, and having a centre thickness in the equatorial plane that is measured between the radially outermost point of the radially outermost working layer and the radially innermost point of the radially innermost working layer;the working layers comprising textile reinforcing elements;a carcass reinforcement, radially on the inside of the working reinforcement, comprising at least one carcass layer and having a centre thickness in the equatorial plane that is measured between the radially outermost point of the radially outermost carcass layer and the radially innermost point of the radially innermost carcass layer;the carcass layers comprising textile reinforcing elements;a reinforcement that is formed by the working reinforcement and the carcass reinforcement and has a centre thickness in the equatorial ...

TIRE

A method to provide technology for suppressing, in a tire including a spiral cord layer and an auxiliary belt layer, the occurrence of separation between the spiral cord layer and the auxiliary belt layer. The tire includes: a carcass toroidally extending between a pair of bead portions; a spiral cord layer arranged on an outer side in a tire radial direction of a crown portion of the carcass and in which an upper layer and a lower layer are formed by spirally winding a reinforcing cord; and an auxiliary belt layer arranged on the outer side in the tire radial direction of the spiral cord layer. At least at ends in a tire width direction of a region where the spiral cord layer and the auxiliary belt layer are laminated, a rubber gauge between the spiral cord layer and the auxiliary belt layer is 0.5 mm to 14.0 mm.

Pneumatic Tire

A pneumatic tire includes a tread portion, and a belt layer including a plurality of belt plies on an inner side in a tire radial direction of the tread portion. In such a pneumatic tire, a mounting direction of the pneumatic tire on a vehicle is specified; the belt layer includes a circumferential reinforcing layer, circumferential reinforcing layer cords being disposed side by side in a tire width direction in the circumferential reinforcing layer, the circumferential reinforcing layer cords being inclined with respect to a tire circumferential direction within a range of ±5° in the tire width direction; and a cord count, namely a number of the circumferential reinforcing layer cords in the tire width direction, of the circumferential reinforcing layer is greater on an inner side in a vehicle mounting direction than on an outer side in the vehicle mounting direction, based on a tire equatorial plane. 1. A pneumatic tire comprising:a tread portion; anda belt layer including a plurality of belt plies on an inner side in a tire radial direction of the tread portion; whereina mounting direction of the pneumatic tire on a vehicle is specified,the belt layer includes a circumferential reinforcing layer, cords being disposed side by side in a tire width direction in the circumferential reinforcing layer, the cords being inclined with respect to a tire circumferential direction within a range of ±5° in the tire width direction, anda cord count, namely a number of the cords in the tire width direction, of the circumferential reinforcing layer is greater on an inner side in a vehicle mounting direction than on an outer side in the vehicle mounting direction, based on a tire equatorial plane.2. The pneumatic tire according to claim 1 , wherein:a relationship between an average value Nin of the cord count of the cords on the inner side in the vehicle mounting direction and an average value Nout of the cord count of the cords on the outer side in the vehicle mounting direction ...

The carcass reinforcement cable comprising low-permeability and the tire of fabric silk be combined with carcass reinforcement

本发明涉及具有径向胎体增强件的轮胎，所述径向胎体增强件由金属增强件层的至少一个层组成，所述轮胎包括至少一个胎冠增强件，所述胎冠增强件依次在径向上被胎面覆盖，所述胎面经由两个胎侧结合至两个胎圈。根据本发明，胎体增强件的至少一个层的金属增强元件为帘线，所述帘线在所谓的渗透性测试中具有小于20cm 3 /min的流量，至少一个胎体增强件层在至少一个表面上具有织物丝线，至少地，在轴向上与至少径向最内胎冠增强件层的端部接合并且与胎体增强件接合的弹性体混合物制得的层为弹性体混合物，所述弹性体混合物包含天然橡胶或合成聚异戊二烯和赋予高内聚力的增强填料。

Non-pneumatic tire with geodesic connecting web

구조적으로 지지된 타이어는 지면 접촉 환형 트레드 부분과, 환형 시어 밴드와, 바람직하게 타이어 플라이로 제조된 지오데식 연결 웨브를 포함한다.

Pneumatic radial tire for passenger cars

本発明は、転がり抵抗の低減化を図ってベルトコードを削減するときであっても、タイヤの耐久性を高度に維持できる乗用車用空気入りラジアルタイヤを提供する。本発明の乗用車用空気入りラジアルタイヤは、クラウン領域のカーカス層のタイヤ径方向外側に、タイヤ周方向に対して１５〜４５?の角度でスチールコードが埋設されたベルトプライを互いに交差する向きに２層重ね合わせた主ベルト層を有する乗用車用空気入りラジアルタイヤにおいて、ベルト補助層として、タイヤ周方向に対して８０〜９０?の角度でスチールコードを埋設したプライを、幅狭の主ベルト層の幅方向両端部から、それぞれタイヤ赤道側に３０ｍｍ離間した位置にその一部がかかるようにカーカス層と内側主ベルト層間に配置するとともに、該ベルト補助層は、幅が３０ｍｍ以上で、かつ該ベルト補助層の初期剛性値が前記主ベルト層の初期剛性値以下のものである。

Tire for cart

【課題】耐久性への影響を抑えつつ、耐摩耗性の向上を図ることができる、カート用タイヤ２の提供。【解決手段】このタイヤ２は、軸方向において、赤道面を挟んで配置される一対の補強層１６を備える。径方向において、補強層１６は、トレッド４の内側に位置し、カーカス１０の外側に積層される。軸方向において、補強層１６の内端３４はトレッド面１８の端ＴＥよりも内側に位置する。軸方向において、補強層１６の外端３６の位置はトレッド面１８の端ＴＥの位置と一致する、又は、補強層１６の外端３６はトレッド面１８の端ＴＥよりも外側に位置する。補強層１６は、周方向に並列した多数の補強コード３８を含むコード補強層４０である。【選択図】図１

The non-inflatable tyre of net is connected with geodesic line

本发明涉及具有短程线连接网的非充气轮胎。被结构地支撑的轮胎包括接触地面的环形胎面部分、环形剪切带和优选由轮胎帘布层制成的短程线连接网。

Pneumatic tire

规定了：胎面部的子午剖面中穿过接地面的第一虚拟线、穿过胎肩主槽的底部并与第一虚拟线平行的第二虚拟线、第二虚拟线与比接地端靠轮胎宽度方向外侧的胎肩环岸部的表面的交点、以及轮胎赤道面。当将轮胎宽度方向的轮胎赤道面与交点的距离设为A、胎肩主槽的槽深度设为B、轮胎宽度方向的轮胎赤道面与接地端的距离设为C时，满足0.80≤(B+C)/A≤1.15的条件；当将轮胎宽度方向的轮胎赤道面与轮胎宽度方向的尺寸最长的带束帘布层的端部的距离设为S时，满足0.75≤S/A≤0.95的条件。

Casing reinforcement cable with low air permeability and tire having fine fiber wire combined with the casing reinforcement

本発明は、金属補強要素の少なくとも１つの層から成る半径方向カーカス補強材を有するタイヤに関し、このタイヤは、トレッドで半径方向に覆われたクラウン補強材を有し、トレッドは、２つのサイドウォールを経て２つのビードに接合されている。本発明によれば、カーカス補強材の少なくとも１つの層の金属補強要素は、いわゆる通気度試験において２０ｃｍ3／分未満の流量を示すケーブルであり、カーカス補強材の少なくとも１つの層は、少なくとも一方のフェース上に繊維細線を備え、ビードワイヤの半径方向外側に位置し且つビードワイヤと接触状態にあるエラストマー混合物の少なくとも１つの層は、天然ゴム又はイソプレンゴム及びエラストマー混合物に高い凝集性を与える補強用充填剤を含むエラストマー混合物から成る。

Pneumatic tires for motorcycles

tire

optimized earthmover tire architecture

Pneumatique (1) pour véhicule de type génie civil comprenant une couche de sommet de protection (31) de largeur axiale LPN, comprenant des renforts métalliques élastiques, au moins une couche de travail (321, 322), comprenant des renforts métalliques, dont le module d’extension est au moins égal à 150 GPa, et formant, avec une direction circonférentielle (XX’), un angle au moins égale à 17° et au plus égale à 40°, les renforts métalliques de la couche de travail la plus radialement extérieure étant croisés avec les renforts métalliques de la couche de protection (31), une couche de triangulation (323), d’une largeur axiale LTN, la couche de triangulation (323) comprenant des renforts métalliques, formant, avec la direction circonférentielle (XX’), un angle ATN dont la valeur absolue est au moins égal à 50°, et tel que chaque couche de travail (321, 322) a une largeur axiale inférieure à LTN, et LTN est inférieure à LPN, et tel que la couche de protection (31) et la couche de triangulation (323) sont récouplées dans la zone axialement extérieure à l’extrémité axiale de la ou les couches de travail (321, 322). Figure d’abrégé : figure 3 Tire (1) for an earthmover-type vehicle comprising a protective crown layer (31) of axial width LPN, comprising elastic metal reinforcements, at least one working layer (321, 322), comprising metal reinforcements, the extension modulus is at least equal to 150 GPa, and forming, with a circumferential direction (XX'), an angle at least equal to 17° and at most equal to 40°, the metal reinforcements of the most radially outer being crossed with the metal reinforcements of the protective layer (31), a triangulation layer (323), of an axial width LTN, the triangulation layer (323) comprising metal reinforcements, forming, with the circumferential direction (XX'), an angle ATN whose absolute value is at least equal to 50°, and such that each working layer (321, 322) has an axial width less than LTN, and LTN is less than LPN, and ...

MOTORCYCLE TIRE

L’invention concerne un neumatique (10) pour motocyclette comprenant une unique couche de carcasse (34) et de sommet (18), la direction principale (D2) de chaque élément de renfort filaire de sommet (180) et de carcasse (340) formant, avec la direction circonférentielle (Z) du pneumatique (10), respectivement un angle AT et ACS dans une portion (34S) de la couche de carcasse (34) s’étendant à l’aplomb radial de la couche de sommet (18). Les angles AT et ACS sont d’orientations opposées et différents en valeur absolue. L’une ou l’autre des conditions I ou II est satisfaite : I - l’angle AT va de 10° à 25° et l’angle ACS va de 20° à 65°, II - l’angle AT va de 20° à 65° et l’angle ACS va de 10° à 25°. Figure pour l’abrégé : Fig 1 The invention relates to a tire (10) for a motorcycle comprising a single carcass (34) and crown (18) layer, the main direction (D2) of each crown (180) and carcass (340) wire reinforcement element forming, with the circumferential direction (Z) of the tire (10), respectively an angle AT and ACS in a portion (34S) of the carcass layer (34) extending radially vertical to the crown layer (18 ). The angles AT and ACS are of opposite orientations and different in absolute value. Either of conditions I or II is satisfied: I - angle AT ranges from 10° to 25° and angle ACS ranges from 20° to 65°, II - angle AT ranges from 20 ° to 65° and the ACS angle ranges from 10° to 25°. Figure for abstract: Fig 1

Pneumatic tire

该充气轮胎(10)被构造成包括胎面部(11)。充气轮胎(10)设置有：胎体(15)；倾斜带束(16)；和周向带束(17)。倾斜带束(16)包括设置有相对于轮胎周向倾斜的至少一层帘线的倾斜带束层(16a，16b)。周向主槽(14)设置于胎面部(11)。倾斜带束(16)包括设置有相对于轮胎周向的倾斜角度为35°至90°的范围的帘线的大角度倾斜带束层(16a)。在至少一个胎面半部中，大角度倾斜带束层(16a)的轮胎宽度方向上的端缘位于比轮胎宽度方向最外侧的周向主槽(14)靠轮胎宽度方向外侧的位置。当W 1 是大角度倾斜带束层(16a)的轮胎宽度方向宽度时，从所述端缘起到最外侧的周向主槽(14)的中心为止的轮胎宽度方向间隔为0.2W 1 以上且0.35W 1 以下。

Pneumatic tire

Motorcycle tyre

本发明涉及一种摩托车轮胎(10)，所述摩托车轮胎(10)包括单个胎体层(34)和胎冠层(18)，在胎体层(34)的与胎冠层(18)对齐地沿径向延伸的部分(34S)中，胎冠丝状增强元件(180)和胎体丝状增强元件(340)各自的主方向(D2)分别与轮胎(10)的周向方向(Z)形成角度AT和ACS。AT和ACS角度处于相反的方向上，并且绝对值不同。满足条件I或II：I‑角度AT为10°至25°，角度ACS为20°至65°，II‑角度AT为20°至65°，角度ACS为10°至25°。

Pneumatic tire

Provided is a pneumatic tire having excellent durability and driving stability during high-speed running of the vehicle (that is, during high-speed rotation of the tire). The pneumatic tire includes: a carcass; an intersecting belt which is provided on the outer circumference side of a crown portion of the carcass and formed of two inclined belt layers having cords inclined and extending in a direction intersecting each other across a tire equatorial plane; and a circumferential belt layer which is provided on either one of the inner side and the outer side of the intersecting belt in the tire radial direction and includes a spiral cord arranged as being spirally wound at an inclination angle of equal to or smaller than 5 degrees to the tire equatorial plane. Of the two inclined belt layers forming the intersecting belt, the cords in a first inclined belt layer are inclined at an inclination angle that falls within the range of 45 to 90 degrees relative to the tire equatorial plane, while the cords in a second inclined belt layer are inclined at an inclination angle that falls within the range of 15 to 45 degrees relative to the tire equatorial plane and is smaller than the inclination angle of the cords in the first inclined belt layer.

Pneumatic tire

This pneumatic tire (10) is configured so as to include a tread section (11). The pneumatic tire (10) is provided with: a carcass (15); an inclined belt (16); and a circumferential-direction belt (17). The inclined belt (16) comprises inclined belt layers (16a, 16b) provided with at least one layer of cord which is inclined with respect to a tire circumferential direction. Circumferential-direction main grooves (14) are provided in the tread section (11). The inclined belt (16) includes a steep-angle-inclination belt layer (16a) provided with cord having an inclination angle in the range of 35-90˚ inclusive with respect to the tire circumferential direction. In at least one half of the tread, an edge of the steep-angle-inclination belt layer (16a) in a tire width direction is positioned further outwards in the tire width direction than the outermost of the circumferential-direction main grooves (14) in the tire width direction. When W 1 is the width of the steep-angle-inclination belt layer (16a) in the tire width direction, the interval, in the tire width direction, from the aforementioned edge to a centre of the outermost of the circumferential-direction main grooves (14) is at least 0.2W 1 but not more than 0.35W 1 .

tire

In diesem Luftreifen 1 beinhaltet eine Gürtelschicht 14 einen inneren Kreuzgürtel 142 und einen äußeren Kreuzgürtel 143, von denen jeder einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 46 Grad und nicht mehr als 80 Grad und Bandwinkel mit umgekehrten Vorzeichen hat; die Umfangsverstärkungsschicht 145 einen Bandwinkel in Bezug auf die Reifenumfangsrichtung innerhalb des Bereichs ±5 Grad hat und zwischen dem inneren Kreuzgürtel 142 und dem äußeren Kreuzgürtel 143 angebracht ist; und der ergänzende Gürtel 144 einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 10 Grad und nicht mehr als 45 Grad aufweist und an der Innenseite in Reifenradialrichtung des inneren Kreuzgürtels 142 angebracht ist. Auch haben der ergänzende Gürtel 144 und der innere Kreuzgürtel 142 Bandwinkel mit umgekehrten Vorzeichen. In this pneumatic tire 1, a belt layer 14 includes an inner cross belt 142 and an outer cross belt 143, each of which has an absolute value of a belt angle with respect to the tire circumferential direction of not less than 46 degrees and not more than 80 degrees and inverted-band belt angles; the circumferential reinforcing layer 145 has a band angle with respect to the tire circumferential direction within the range ± 5 degrees and is disposed between the inner cross belt 142 and the outer cross belt 143; and the supplementary belt 144 has an absolute value of a belt angle with respect to the tire circumferential direction of not less than 10 degrees and not more than 45 degrees, and is mounted on the inner side in the tire radial direction of the inner cross belt 142. Also, the supplementary belt 144 and the inner cross belt 142 have band angles of opposite sign.

Pneumatic tires for motorcycles

Pneumatic tire

本発明は、車両の高速走行時（即ち、タイヤの高速回転時）の耐久性および操縦安定性が良好な空気入りタイヤを提供することを目的とする。本発明の空気入りタイヤは、カーカスと、カーカスのクラウン部外周側に、コードがタイヤ赤道面を挟んで相互に交差する方向に傾斜して延びる２層の傾斜ベルト層からなる交差ベルトと、交差ベルトのタイヤ径方向内方および外方のいずれかに、スパイラルコードが、タイヤ赤道面に対し、５°以下の傾斜角度で螺旋巻回することにより配列された周方向ベルト層とを備え、交差ベルトを構成する２層の傾斜ベルト層のうち、第１の傾斜ベルト層のコードの傾斜角度が、タイヤ赤道面に対し、４５°以上９０°以下の範囲であり、第２の傾斜ベルト層のコードの傾斜角度が、タイヤ赤道面に対し、１５°以上４５°以下の範囲であり、且つ、第１の傾斜ベルト層のコードの傾斜角度よりも小さいことを特徴とする。 An object of the present invention is to provide a pneumatic tire having good durability and steering stability when the vehicle is traveling at high speed (that is, when the tire rotates at high speed). The pneumatic tire according to the present invention includes a carcass and a cross belt formed of two inclined belt layers extending in a direction in which the cords intersect with each other across the tire equatorial plane on the outer circumferential side of the crown portion of the carcass. The belt includes a circumferential belt layer arranged by spirally winding a spiral cord at an inclination angle of 5 ° or less with respect to the tire equatorial plane, either on the inner side or the outer side of the belt in the tire radial direction. Of the two inclined belt layers constituting the belt, the inclination angle of the cord of the first inclined belt layer is in the range of 45 ° to 90 ° with respect to the tire equator plane, The cord inclination angle is in a range of 15 ° to 45 ° with respect to the tire equatorial plane, and is smaller than the cord inclination angle of the first inclined belt layer.

Rubber compound for tires, pneumatic tire, and an airless tire

To provide a rubber compound for tires, a pneumatic tire and an airless tire capable of improving the steering stability of the tire while exerting excellent low fuel consumption performance. A rubber compound for tires characterized in that, of vulcanized rubber's physical properties, a complex elastic modulus E* 70 (unit: MPa) and a loss tangent tan δ 70 under initial strain of 10%, dynamic strain of 2% and temperature of 70 degrees C., satisfy 90<E* 70 <250, and E* 70 /tan δ 70 >800. A pneumatic tire provided with a rubber member made of the above-mentioned rubber compound. An airless tire provided with a rubber member made of the above-mentioned rubber compound. An airless tire provided in a tread ring with a shear rubber layer made of the above-mentioned rubber compound.

tire

pneumatic tire

Tyre comprising variable thicknesses of the rubber mixtures inside the carcass reinforcement

本发明涉及包含胎冠增强件的轮胎，所述胎冠增强件由增强元件的至少两个工作胎冠层形成。所述轮胎在每个胎肩中附加包括在层中相互平行并且沿周向定向的增强元件的层的至少一个端部，所述端部在轴向上位于所述至少两个工作胎冠层的外部，增强胎体增强件的元件具有小于1mm的直径且由直径严格大于0.16mm的丝线制成，并且在径向平面中，在轮胎胎腔的内表面与胎体增强件的金属增强元件的最接近胎腔的所述内表面的点之间，以所述附加层的轴向最外端的点在轮胎胎腔的内表面上的各自正交投影为中心的轮胎轮廓的两个部分的橡胶配混物的厚度与轮胎轮廓的具有最小厚度的部分的橡胶配混物的厚度的比例大于1.15。

Pneumatic tire for automatic two-wheeled vehicle

Tire with electronic device having reinforced cord antenna

本发明提供了一种轮胎。该轮胎包括电子设备，诸如RFID芯片，所述电子设备在所述轮胎的胎体内。对于特定实施方案，RFID芯片设置在轮胎带内。RFID芯片可设置在内带或外带上。RFID芯片连接到至少一个钢丝帘线，从而形成用于RFID芯片的天线。钢丝帘线相对于轮胎赤道以第一角度和第二角度设置。本发明还提供了一种将RFID芯片接合到轮胎帘线的方法。

PNEUMATIC WITH A TOP INCLUDING A RIGIDIFICATION TABLE AND A HIGHLY ADHESIVE BEARING BAND

Pneumatic tire

In a pneumatic tire, a belt layer includes an inner-side cross belt and outer-side cross belt having belt angles of not less than 46° and not more than 80° as absolute values with respect to a tire circumferential direction, the belt angles having mutually opposite signs, a circumferential reinforcing layer having a belt angle satisfying a range of ±5° with respect to the tire circumferential direction, and disposed between the inner-side cross belt and outer-side cross belt, and a supplemental belt having a belt angle of not less than 10° and not more than 45° as an absolute value with respect to the tire circumferential direction, and disposed on the outer side in a tire radial direction of the outer-side cross belt. Additionally, the supplemental belt and the outer-side cross belt have belt angles of mutually opposite signs.

Rubber composition for tires, pneumatic tire, and an airless tire

본 발명은 우수한 저연비성을 발휘하면서 타이어의 조종 안정성을 향상시킬 수 있는 타이어용의 고무 조성물, 공기 타이어 및 에어리스 타이어를 제공하는 것을 과제로 한다. 상기 타이어용의 고무 조성물은, 가황 고무 물성에 있어서, 초기 변형률 10%, 동적 변형률 2%, 70℃에서의 복소 탄성률 E* 70 (단위 : ㎫) 및 손실 탄젠트 tanδ 70 이 90<E* 70 <250, E* 70 /tanδ 70 >800을 만족시키는 것을 특징으로 한다. 상기 공기 타이어는 상기 고무 조성물로 이루어진 고무 부재를 구비한다. 상기 에어리스 타이어는 상기 고무 조성물로 이루어진 고무 부재를 구비한다. 상기 에어리스 타이어는, 트레드 링의 내부에 전단 고무층(107)을 구비한 에어리스 타이어로서, 상기 전단 고무층이 상기 고무 조성물로 구성되어 있는 것이다. An object of the present invention is to provide a rubber composition for a tire, a pneumatic tire, and an airless tire which can improve the steering stability of the tire while exhibiting excellent fuel efficiency. The rubber composition for a tire has an initial strain of 10%, a dynamic strain of 2%, a complex elastic modulus E* 70 (unit: MPa) at 70°C, and a loss tangent tanδ 70 of 90<E* 70 < 250, E* 70 /tanδ 70 >800. The pneumatic tire has a rubber member made of the rubber composition. The airless tire includes a rubber member made of the rubber composition. The airless tire is an airless tire provided with a shear rubber layer 107 inside a tread ring, and the shear rubber layer is composed of the rubber composition.

Tire

본 고안은 타이어의 벨트층에서 제3,4벨트의 폭 방향 양끝 지점을 트레드 표면에 형성된 리브홈 베이스면의 기울기와 평행하게 구성한 중하중용 공기입 타이어에 관한 것이다. The present invention relates to a heavy-load pneumatic tire configured to be parallel to the inclination of the rib groove base surface formed on the tread surface in the width direction both ends of the third, fourth belt in the belt layer of the tire.

Pneumatic tire

A pneumatic tire (1) is equipped with a carcass layer (13), a belt layer (14) positioned to the outside of the carcass layer (13) in the radial direction of the tire, and tread rubber (15) positioned to the outside of the belt layer (14) in the radial direction of the tire. The pneumatic tire (1) is further equipped with three or more circumferential-direction principal grooves (2) extending in the circumferential direction of the tire, and a plurality of lug sections (3) divided by the circumferential-direction principal grooves (2). The belt layer (14) is provided with: an inner-diameter-side intersecting belt (142) and an outer-diameter-side intersecting belt (143) which have belt angles having absolute values of 51-80°, inclusive, in relation to the circumferential direction of the tire, and have belt angles of opposite signs from one another; and a circumferential-direction reinforcing layer (145) having a belt angle within the range of ±5° in relation to the circumferential direction of the tire.

tire

In diesem Luftreifen 1 beinhaltet eine Gürtelschicht 14 einen inneren Kreuzgürtel 142 und einen äußeren Kreuzgürtel 143, von denen jeder einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 46 Grad und nicht mehr als 80 Grad und Bandwinkel mit umgekehrten Vorzeichen hat; die Umfangsverstärkungsschicht 145 einen Bandwinkel in Bezug auf die Reifenumfangsrichtung innerhalb des Bereichs ±5 Grad hat und zwischen dem inneren Kreuzgürtel 142 und dem äußeren Kreuzgürtel 143 angebracht ist; und der ergänzende Gürtel 144 einen absoluten Wert eines Bandwinkels in Bezug auf die Reifenumfangsrichtung von nicht weniger als 10 Grad und nicht mehr als 45 Grad aufweist und an der Innenseite in Reifenradialrichtung des inneren Kreuzgürtels 142 angebracht ist. Auch haben der ergänzende Gürtel 144 und der innere Kreuzgürtel 142 Bandwinkel mit umgekehrten Vorzeichen.

MOTORCYCLE TIRES

L’invention concerne un neumatique (10) pour motocyclette comprenant une unique couche de carcasse (34) et de sommet (18), la direction principale (D2) de chaque élément de renfort filaire de sommet (180) et de carcasse (340) formant, avec la direction circonférentielle (Z) du pneumatique (10), respectivement un angle AT et ACS dans une portion (34S) de la couche de carcasse (34) s’étendant à l’aplomb radial de la couche de sommet (18). Les angles AT et ACS sont d’orientations opposées et différents en valeur absolue. L’une ou l’autre des conditions I ou II est satisfaite : I - l’angle AT va de 10° à 25° et l’angle ACS va de 20° à 65°, II - l’angle AT va de 20° à 65° et l’angle ACS va de 10° à 25°. Figure pour l’abrégé : Fig 1 The invention relates to a tire (10) for a motorcycle comprising a single carcass (34) and crown (18) layer, the main direction (D2) of each crown (180) and carcass (340) wire reinforcement element forming, with the circumferential direction (Z) of the tire (10), respectively an angle AT and ACS in a portion (34S) of the carcass layer (34) extending radially vertical to the crown layer (18 ). The angles AT and ACS are of opposite orientations and different in absolute value. Either of conditions I or II is satisfied: I - angle AT ranges from 10° to 25° and angle ACS ranges from 20° to 65°, II - angle AT ranges from 20 ° to 65° and the ACS angle ranges from 10° to 25°. Figure for abstract: Fig 1

tire

Luftreifen (1), der eine Karkassenschicht (13), eine Gürtelschicht (14), die auf einer Reifenradialrichtungs-Außenseite der Karkassenschicht (13) angeordnet ist, einen Laufflächenkautschuk (15), der auf der Reifenradialrichtungs-Außenseite der Gürtelschicht (14) angeordnet ist, mindestens drei in Reifenumfangsrichtung verlaufende Hauptumfangsrillen (2) und eine Mehrzahl von Erhebungsabschnitten (3), die durch die Hauptumfangsrillen (2) definiert sind, aufweist, wobei die Gürtelschicht (14) Folgendes aufweist:einen Innenseiten-Kreuzgürtel (142) und einen Außenseiten-Kreuzgürtel (143), die Gürtelwinkel von mindestens 51° und höchstens 80° als absolute Werte in Bezug auf eine Reifenumfangsrichtung aufweisen, wobei die Gürtelwinkel einander entgegengesetzte Vorzeichen aufweisen, undeine Umfangsverstärkungsschicht (145), die einen Gürtelwinkel aufweist, der einen Bereich von ±5° in Bezug auf die Reifenumfangsrichtung erfüllt, wobei eine Breite Wb2 eines breiteren Kreuzgürtels von dem Innenseiten-Kreuzgürtel (142) und dem Außenseiten-Kreuzgürtel (143) sowie eine Querschnittsbreite Wca der Karkassenschicht (13) eine derartige Beziehung aufweisen, dass 0,73 ≤ Wb2/Wca ≤ 0,89. A pneumatic tire (1) comprising a carcass layer (13), a belt layer (14) disposed on a tire radial-direction outside of the carcass layer (13), a tread rubber (15) disposed on the tire radial-direction outside of the belt layer (14) , at least three circumferential main grooves (2) and a plurality of land portions (3) defined by the main circumferential grooves (2), the belt layer (14) comprising: an inner side cross belt (142) and a Outer side cross belts (143) having belt angles of at least 51 ° and at most 80 ° as absolute values with respect to a tire circumferential direction, the belt angles having opposite signs, and a circumferential reinforcing layer (145) having a belt angle covering a range of ± 5 ° with respect to the tire circumferential direction, with a width Wb2 of a wider cross section ...

PNEUMATIC COMPRISING A BUFFER ZONE BETWEEN THE CARCASE FRAME AND THE TOP FRAME

L'invention concerne un pneumatique à armature de carcasse radiale, constituée d'au moins une couche d'éléments de renforcement métalliques, ledit pneumatique comprenant une armature de sommet, elle-même coiffée radialement d'une bande de roulement, ladite bande de roulement étant réunie à deux bourrelets par l'intermédiaire de deux flancs, ledit pneumatique comprenant une première couche de mélange polymérique radialement entre l'armature de carcasse et la couche d'éléments de renforcement radialement la plus intérieure de l'armature de sommet. Selon l'invention, ladite une première couche de mélange polymérique constitue une zone tampon prévue pour piéger l'oxygène extérieur à ladite première couche, la largeur axiale de ladite première couche étant au moins égale à 70 % de la largeur de la couche d'éléments de renforcement radialement la plus intérieure de l'armature de sommet. The invention relates to a tire with a radial carcass reinforcement, consisting of at least one layer of metal reinforcing elements, said tire comprising a crown reinforcement, itself capped radially with a tread, said tread being joined to two beads by means of two flanks, said tire comprising a first layer of polymeric mixture radially between the carcass reinforcement and the radially innermost reinforcing element layer of the crown reinforcement. According to the invention, said first layer of polymeric mixture constitutes a buffer zone intended to trap the oxygen outside said first layer, the axial width of said first layer being at least equal to 70% of the width of the layer of radially reinforcing elements the innermost of the crown reinforcement.

Pneumatic tire

본 공기입(空氣入) 타이어(1)에서는, 벨트층(14)이, 타이어 둘레 방향에 대하여 절댓값으로 46[deg] 이상 80[deg] 이하의 벨트 각도를 가지는 것과 함께 서로 다른 부호의 벨트 각도를 가지는 내경(內徑) 측 교차 벨트(142) 및 외경(外徑) 측 교차 벨트(143)와, 타이어 둘레 방향에 대하여 ±5[deg]의 범위 내에 있는 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142) 및 외경 측 교차 벨트(143)의 사이에 배치되는 둘레 방향 보강층(145)과, 타이어 둘레 방향에 대하여 절댓값으로 10[deg] 이상 45[deg] 이하의 벨트 각도를 가지는 것과 함께 내경 측 교차 벨트(142)의 타이어 직경 방향 내측에 배치되는 부가 벨트(144)를 구비한다. 또한, 부가 벨트(144)와 내경 측 교차 벨트(142)가, 다른 부호의 벨트 각도를 가진다.

Pneumatic tire

该充气轮胎(10)被构造成包括胎面部(11)。充气轮胎(10)设置有：胎体(15)；倾斜带束(16)；和周向带束(17)。倾斜带束(16)包括设置有相对于轮胎周向倾斜的至少一层帘线的倾斜带束层(16a，16b)。周向主槽(14)设置于胎面部(11)。倾斜带束(16)包括设置有相对于轮胎周向的倾斜角度为35°至90°的范围的帘线的大角度倾斜带束层(16a)。在至少一个胎面半部中，大角度倾斜带束层(16a)的轮胎宽度方向上的端缘位于比轮胎宽度方向最外侧的周向主槽(14)靠轮胎宽度方向外侧的位置。当W 1 是大角度倾斜带束层(16a)的轮胎宽度方向宽度时，从所述端缘起到最外侧的周向主槽(14)的中心为止的轮胎宽度方向间隔为0.2W 1 以上且0.35W 1 以下。

Pneumatic vehicle tyre

Pneumatic tire

Tire comprising cables for reinforcing the casing having low perviousness, and textile threads associated with the casing reinforcement

本发明涉及具有径向外胎增强件(2)的轮胎，所述径向外胎增强件(2)由至少一个金属增强元件的层组成，所述轮胎包括胎冠增强件(6)，所述胎冠增强件(6)在径向上被胎面(7)覆盖，所述胎面(7)经由两个胎侧结合至两个胎圈。所述金属增强元件为帘线，所述帘线在“渗透性”测试中具有小于20cm 3 /min的流量。胎体增强件的至少一个层在主要部分的至少一个表面上具有由织物丝线(12)，织物丝线的一个端部(17)设置在胎体增强件围绕棒(4)的卷边(5)上，另一个端部(13)在径向上位于胎肩端部(11)在所述胎体增强件的层的所述表面上的正交投影(9)的内侧。

Reinforcement member for tires, and tire using same

Provided are: a reinforcement member for tires which is capable of improving tire durability in comparison to conventional tires; and a tire using said reinforcement member. This reinforcement member 1 for tires is provided with: a core-material cord layer 2; and a helical cord layer 3 wound helically around the core-material cord layer 2. Cords in the core-material cord layer 2 are metal cords 2a, and have an inclination angle of 40-90˚ with respect to the longitudinal direction of the core-material cord layer 2. Reinforcement cords 3a in the helical cord layer 3 are organic fibre cords having a modulus of at least 19 GPa.

Tyre for racing bicycle

本发明提供的赛车用轮胎(2)能够抑制对耐久性的影响、并实现耐磨损性的提高。该轮胎(2)具备在轴向上隔着赤道面配置的一对加强层(16)。在径向上加强层(16)位于胎面(4)的内侧，并层叠于胎体(10)的外侧。在轴向上加强层(16)的内端(34)位于比胎面表面(18)的端部(TE)靠内侧。在轴向上加强层(16)的外端(36)的位置与胎面表面(18)的端部(TE)的位置一致、或者加强层(16)的外端(36)位于比胎面表面(18)的端部(TE)靠外侧。加强层(16)是包含沿周向并排的多个加强帘线(38)的帘线加强层(40)。