МНОГОСЛОЙНЫЕ ЕМКОСТИ И ЗАГОТОВКИ С БАРЬЕРНЫМИ СВОЙСТВАМИ, УТИЛИЗИРУЮЩИЕ ПЕРЕРАБОТАННЫЙ МАТЕРИАЛ

Предпочтительные варианты выполнения относятся к способам и устройствам изготовления изделий из полиэфира, предпочтительно из чистого полиэтилен терефталата (ПЭТ), имеющего одну или более непосредственно покрытых поверхностей из одного или более слоев из переработанного или использованного ПЭТ и одного или более слоев из материала с хорошими барьерными характеристиками для газа, предпочтительно диоксида кремния. Заготовка содержит резьбовой горловинный конец из одного слоя чистого полиэфира, корпусную часть, включающую в себя концевую крышку, корпусную часть, содержащую первый и второй слой, причем второй слой состоит предпочтительно из переработанного ПЭТ слоя, составляющего около 25-50% общего содержания материала. Способ изготовления заготовки включает в себя шаги: инжектирование расплава полиэфира в полость, образованную литьевой формой и сердечником, причем литьевая форма имеет резьбовую горловинную концевую часть при первой температуре и корпусную часть при второй температуре. Первая ...

ЗАГОТОВКИ ДЛЯ ПОЛУЧЕНИЯ КОНТЕЙНЕРОВ И СООТВЕТСТВУЮЩИЙ КОНТЕЙНЕР

Заготовка содержит полый корпус, имеющий боковую стенку, проходящую вокруг продольной оси, и концевую стенку, расположенную поперек указанной продольной оси. Точка А указанной концевой стенки имеет определенное значение удельной энтальпии остаточного плавления. Удельная энтальпия остаточного плавления равна разнице между удельной энтальпией полного плавления и удельной энтальпией кристаллизации части аморфной фазы, которая кристаллизуется при ее нагревании. Указанные величины измеримы с помощью анализа методом дифференциальной сканирующей калориметрии (ДСК). При этом по меньшей мере одна точка В, F, L, О боковой стенки имеет другое значение удельной энтальпии остаточного плавления, которое больше, чем указанное значение. Предложен также контейнер, полученный из указанной заготовки. Изобретения обеспечивают увеличение срока службы изделий за счет получения заготовок и контейнеров с наименьшим количеством дефектов и остаточных напряжений. 2 н. и 18 з.п. ф-лы, 18 ил.

МНОГОСЛОЙНОЕ ИЗДЕЛИЕ, МНОГОСЛОЙНАЯ ЗАГОТОВКА, СПОСОБ ИЗГОТОВЛЕНИЯ ИЗДЕЛИЯ ИЗ ПОЛИЭФИРНОЙ ПЛАСТМАССЫ С БАРЬЕРНЫМ ПОКРЫТИЕМ (ВАРИАНТЫ), СПОСОБ ПРОИЗВОДСТВА МНОГОСЛОЙНОЙ ПЛАСТИКОВОЙ ЕМКОСТИ (ВАРИАНТЫ) И СПОСОБ ИЗГОТОВЛЕНИЯ ПОЛИЭТИЛЕНТЕРЕФТАЛАТНОЙ ПЛАСТМАССЫ С БАРЬЕРНЫМ СЛОЕМ ИЗ СОПОЛИМЕРА ТЕРЕФТАЛЕВОЙ КИСЛОТЫ, ИЗОФТАЛЕВОЙ КИСЛОТЫ И ДИОЛА

Изобретение относится к изделиям, изготовленным из полиэфирной пластмассы, предпочтительно из полиэтилентерефталата (ПЭТ), имеющего один или более слоев термопластического материала с хорошими характеристиками барьера для газа, нанесенного непосредственно на по меньшей мере одну из ее поверхностей, и к новым способам изготовления таких изделий. Предпочтительно изделия с барьерным покрытием имеют форму заготовок, покрытых по меньшей мере одним слоем барьерного материала, и емкостей, сформованных из них вдуванием. Такие емкости с барьерным покрытием предпочтительно представляют тип для хранения напитков, таких как безалкогольные напитки, пиво или сок. Предпочтительные барьерные материалы имеют более низкую проницаемость для кислорода и двуокиси углерода, чем ПЭТ, а их ключевые физические свойства одинаковы с ПЭТ. Материалы и способы обеспечивают то, что барьерные слои имеют хорошее сцепление с ПЭТ даже во время процесса выдувного формования и после него для формирования емкостей из заготовок ...

СПОСОБ ИЗГОТОВЛЕНИЯ СЕКЦИОННОГО СОСУДА

Изобретение предназначено для изготовления сосудов. Способ изготовления секционного сосуда включает в себя изготовление заготовки, имеющей внутреннюю поверхность, отдельное изготовление внутренней стенки для вставки ее в заготовку, вставку внутренней стенки в заготовку, подготовку отливки и отливку заготовки и внутренней стенки в секционный сосуд и активацию связующего вещества для прикрепления внутренней стенки к внутренней поверхности заготовки во время подготовительного процесса. Внутреннюю поверхность заготовки выполняют с пазами для зацепления с контактными кромками внутренней стенки, которые скручивают для улучшения зацепления с внутренней поверхностью. Изобретение обеспечивает улучшение способа изготовления секционных сосудов. 9 з. п.ф-лы, 6 ил.

ТОНКОСЛОЙНОЕ ИЗДЕЛИЕ, ТОНКОСЛОЙНОЕ ИЗДЕЛИЕ В ВИДЕЗАГОТОВКИ ИЛИ ЕМКОСТИ ИЗ ПОЛИЭФИРНОЙ ПЛАСТМАССЫ СБАРЬЕРНЫМ ПОКРЫТИЕМ

... 1. Тонкослойное изделие, состоящее из по меньшей мере первого слоя и второго слоя, причем первый слой содержит полиэтилен терефталат, а второй слой содержит термопластики фенокси-типа, и упомянутый полиэтилен терефталат имеет содержание изофталиевой кислоты по меньшей мере 2% по весу, при этом первый слой непосредственно сцеплен со вторым слоем. 2. Тонкослойное изделие по п.1, отличающееся тем, что содержание изофталиевой кислоты в полиэтилен терефталате составляет 2-10% по весу. 3. Тонкослойное изделие по п.1, отличающееся тем, что содержание изофталиевой кислоты в полиэтилен терефталате составляет 4-5% по весу. 4. Тонкослойное изделие по п.1, отличающееся тем, что термопластичным материалом является поли(гидроксиаминоэфир). 5. Тонкослойное изделие по п.4, в котором упомянутый поли(гидроксиаминоэфир) содержит далее производное ресорцинола. 6. Тонкослойное изделие по п.5, в котором упомянутое производное ресорцинола содержит диглицидил эфир ресорцинола. 7. Тонкослойное изделие в виде заготовки ...

НАФОРМОВАННЫЕ ЕМКОСТИ С УЛУЧШЕННЫМ ЗАХВАТОМ И СПОСОБ ИХ ИЗГОТОВЛЕНИЯ

... 1. Емкость выдувного формования с улучшенным захватом, содержащая емкость выдувного формования, имеющую корпус емкости и выдачное отверстие емкости, причем корпус емкости имеет переднюю поверхность, заднюю поверхность и правую боковую поверхность и левую боковую поверхность, соединяющие переднюю поверхность с задней поверхностью, при этом по меньшей мере одна из правой боковой поверхности и левой боковой поверхности имеет область захвата с наформованным эластомером для образования емкости выдувного формования с областью захвата, содержащей слой указанного эластомера, при этом эластомер имеет коэффициент трения больше коэффициента трения поверхности указанной емкости, причем вся область захвата имеет слой указанного эластомера, и слой эластомера находится только на области захвата, оставляя переднюю и заднюю поверхности емкости свободными от эластомера. ! 2. Емкость по п.1, в которой правая боковая поверхность и левая боковая поверхность, каждая, имеет область захвата, при этом вся область ...

BLASGEFORMTER KUNSTSTOFFBEHAELTER.

Eigenstabiler Boden für Druckflaschen.

Parison for repeated use bottle - designed with specified cross=section and diameter to length ratio

A parison for the blow moulding of bottles for repeated use, contg. carbonated beverages, made of transparent plastic such as polyethylene terephthalate has a throat angle of 3-45 degrees and a max. cross-section of the rump of 5-9 cm2. The normal outside rump dia. is 40 to 50 mm and the ratio of dia. to length is 1:3 to 1:4.5. Such a parison contains more material than conventional types. This material is distributed in such a way that the transparency is not impaired and the bottle has enough stability for repeated use.

BLOW-MOULDED CONTAINERS

THE PRODUCTION OF A TUBULAR ARTICLE OF THERMOPLASTIC MATERIAL

ROHRFOERMIGER ROHLING SOWIE VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG DESSELBEN

PROCEDURE AND DEVICE FOR THE TREATMENT OF VORFORMLINGEN

PROCEDURE FOR FORMING A CONTAINER WITH A SIDE PANEL OF HIGH CRYSTALLINITY AND A GROUND OF LOW CRYSTALLINITY

AS WELL AS PROCEDURE AND ARRANGEMENT ARE INTRODUCED FOR ANGULAR POSITIONING OF A CONTAINER OR A GATHERING MOLD OF A CONTAINER REGARDING THE THORN OF IN THE BOTTLE NECK OF THIS CONTAINER THORN CONTAINER ARRANGEMENT

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A PET BOTTLE WITH OFF CENTER BOTTLE NECK

MULTILEVEL CONTAINER

MULTILEVEL PREFORMS AND PROCEDURES FOR THE PRODUCTION OF THE SAME

GATHERING MOLD FOR MAKING CONTAINERS OF PLASTIC WITH INNER WALLS

REFILLABLE POLYESTER BOTTLE AND PREFORM FOR FORMING SAME

Lightweight stretch blow molded pet copolymer container and preform for making same

Polypropylene container and process for making it

Synthetic resin biaxial oriented blow formed preform for forming bottle body

Container with integral handle, preform and method of manufacture

Biaxially drawn, blow-molded bottle and its preform

BIAXIALLY DRAWN, BLOW-MOLDED BOTTLE AND PREFORM Abstract A biaxially drawn, blow-molded bottle (1) comprises at least a gas barrier layer 5 (3) laminated inside layers (2) predominantly made of polyethylene terephthalate resin, wherein the trailing edge (3b) of said gas barrier layer (3) is disposed in a lower portion of body (10') wherein said trailing edge (3b) does not reach a bottom (11') of said bottle (l').

Barrier-coated polyester

ONE PIECE SELF-STANDING BLOW MOLDED PLASTIC CONTAINERS

A plastic bottle with a member for suspending the bottle formed on its neck portion

BLOW MOLDED PLASTIC CONTAINER AND PREFORM THEREFOR

... 87-176 A plastic preform for forming blow molded plastic containers and plastic containers wherein the container has a tubular body portion adjacent a bottom portion and extending onto said bottom portion having circumferentially spaced, radially extending, continuous alterations in wall thickness.

METHOD AND APPARATUS FOR PRODUCING A TUBULAR ARTICLE HAVING AN ANNULAR GROOVE THEREIN

PREFORM AND CONTAINER HAVING THREAD GROOVE

OVERMOLDED CONTAINERS WITH IMPROVED GRIP AND METHOD OF MANUFACTURE THEREOF

A blow molded container (22) is blow molded with improved gripping areas. The gripping areas of the container contain a layer (20 (a), 20 (b) ) of an elastomer which has a greater coefficient of friction than the coefficient of friction of the container surface. The elastomer preferably is selectively on the gripping areas for that container with the surface of the remainder of the container being that of the container as formed. The container is formed from a preform (10) that has an elastomer layer (20 (a), 20 (b) ) of a size and shape to produce the elastomer on the gripping area of the container, providing a blow mold with a negative of the container and gripping area on the inner surface of the mold, orienting the preform in the mold such that the elastomer layer on the preform is adjacent to the negative of the gripping area on the inner surface of the mold, and injecting a gas into the preform to blow mold the container with the gripping areas overmolded with a layer of the elastomer ...

BLOW MOLDED POLYESTER CONTAINER WITH AN OVER-MOLDED THERMOPLASTIC LAYER

The invention is directed to polyester containers that are produced from polyester preforms, the preforms having a thermoplastic over-mold layer on at least a part of the exterior surface of the preform. The preform is made by over-molding the thermoplastic layer onto the preform surface in one or more over-molding operations. In a single over-molding embodiment the preform has a body layer of a first color and the over-molded layer of a second color. The over-mold layer can have a thickness gradient varying in thickness from one end of the preform to adjacent another end of the preform. The over-mold layers can have a thickness and color gradient. A third color will result from the blending of the first color and the differing colors of the over-mold layers where the first color and the differing colors can both be perceived. The color of the contained liquid can also add to the color mixing when the container is substantially transparent.

BOTTLE HAVING A HANDLE FORMED BY STRETCH BLOW MOLDING

There is provided a bottle having a handle formed by stretch blow molding comprising an improved structure and facilitates carrying even a relatively large bottle in which a bendable handle having a flat shape extending in a transverse direction is integrally formed below a threaded portion of a neck of the bottle on the bottle, and a connecting portion of said handle includes a narrow portion which is transversally provided by reducing the thickness at an intermediate portion of the connecting portion, whereby making the finger engaging tab bendable at the narrow portion in upper and lower directions, and molecular orientation of the resin material is performed by the narrow portion.

HANDLED PLASTIC CONTAINER

Method of securing a separate handle (18) to a plastic blow-molded container , the container having a molded external flange which is not subject to stretching during the blow-molding process. The flange has a substantially flat underside face and serves as a rigid support for the handle (18) when a substantially flat upper abutment surface of the handle (18) is positioned against the flange. Preferably, the upper end of t he handle (18) has a downwardly extending lug (15) which is surrounded by the blow-molded sidewall of the container. The preform and handle (l8) can be brought together into position where the upper end of the handle is adjacent to the underside of the extern al flange by relative movement of the preform and handle (18) towards each other along a first path which is substantially perpendicular to the longitudinal axis of the preform . In addition, the handle (18) and preform can be brought together prior to their introduction into the mold, and then introduced together ...

TUBULAR PREFORM FOR MOLDING A BOTTLE MADE OF SYNTHETIC RESIN.

BLANK USED FOR MOLDING A BOTTLE MADE OF SYNTHETIC RESIN.

BOTTLE MADE OF SYNTHETIC RESIN AND METHOD OF MANUFACTURE.

SYNTHETIC RESIN BOTTLE WITH HANDLE AND PROCEDURE FOR THEIR PRODUCTION.

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A TUBULAR ONE KOERPERS ON BASIS OF THERMOPLASTIC PLASTIC AS WELL AS IN THE PROCEDURE OF MANUFACTURED KOERPER.

PROCEDURE FOR MANUFACTURING A HOLLOW BODY WITH A GUTTER.

TUBULAR BLANK AS WELL AS PROCEDURE AND DEVICE FOR THE PRODUCTION OF THE SAME.

Preform for the production of biaxial strained plastic bottles and from the Preform manufactured plastic bottle.

Ein Preform (1) zur Herstellung von biaxial gereckten Kunststoffflaschen besitzt einen starren, im Wesentlichen länglichen Körper (2), der an seinem einen Längsende einen Boden (3) aufweist und dessen gegenüberliegendes Längsende als ein mit einer Ausgiessöffnung (5) versehener Halsabschnitt (4) ausgebildet ist. Der Preform (1) weist eine Aussen- und eine Innenwandung (A, I) auf, die sich wenigstens über einen Teilbereich seiner axialen Länge erstrecken und von separaten Kunststoffschichten gebildet sind. Wenigstens in einem Teilbereich des Körpers (2) ist in einen von der Aussen- und der Innenwandung (A, I) des Körpers (2) begrenzten Raum wenigstens eine Zwischenschicht (Z) eingebettet, die sich über einen Teil der axialen Länge und des Umfangs des Körpers (2) erstreckt und eine von den Aussen- bzw. Innenschichten (A, I) abweichende Farbgebung aufweist.

A preform for producing a plastic container and a preform from the plastic container.

Die Erfindung betrifft einen Preform (11) zur Herstellung von Kunststoffbehältern, insbesondere Kunststoffflaschen, in einem Zweistufen-Streckblasverfahren, umfassend einen länglichen Körper (13), einen Boden (15), welcher an einem ersten Längsende des Körpers (13) ausgebildet ist, einen Halsabschnitt (17), welcher an einem zweiten Längsende des Körpers (13) ausgebildet ist und dem ersten Längsende gegenüberliegt, eine Ausgiessöffnung (19), welche an dem Halsabschnitt (17) vorgesehen ist und einen Stützring (21), welcher radial von dem Körper (13) abragt und den Halsabschnitt (17) von dem Körper (13) trennt. Der Stützring (21) ist ein separates Stützelement, welches formschlüssig an dem Preform (11) festlegbar ist.

A preform for producing a plastic container and a preform from the plastic container.

Die Erfindung betrifft einen Preform (11) zur Herstellung von Kunststoffbehältern, insbesondere Kunststoffflaschen, in einem Zweistufen-Streckblasverfahren, umfassend einen länglichen Körper (13), einen Boden (15), welcher an einem ersten Längsende des Körpers (13) ausgebildet ist, einen Halsabschnitt (17), welcher an einem zweiten Längsende des Körpers (13) ausgebildet ist und dem ersten Längsende gegenüberliegt, eine Ausgiessöffnung (19), welche an dem Halsabschnitt (17) vorgesehen ist und einen Stützring (21), welcher radial von dem Körper (13) abragt und den Halsabschnitt (17) von dem Körper (13) trennt. Der Stützring (21) ist ein separates Stützelement, welches formschlüssig an dem Preform (11) festlegbar ist.

Multi-Layer Preform, Method for Production the Same, Multi-Layer Container and Method for Production the Same

Lamination device for making barrier-coated polyester used for manufacturing preformed or other container

This invention relates to methods and apparatus for making articles made of polyester, preferably polyethylene terephthalate (PET), having coated directly to at least one of the surfaces thereof one or more layers of thermoplastic material with good gas-barrier characteristics. In one preferred method and apparatus, preforms are injection molded, barrier-coated immediately thereafter, and remain on a mold portion for a time to speed cooling of the completed preform. Preferably the barrier-coated articles take the form of preforms coated by at least one layer of barrier material and the containers are blow-molded therefrom. Such barrier-coated containers are preferably of the type to hold beverages such as soft drinks, beer or juice. The preferred barrier materials have a lower permeabilityto oxygen and carbon dioxide than PET as well as key physical properties similar to PET. The materials and methods provide that the barrier layers have good adherence to PET, even during and after the ...

BOTTLE OUT OF SYNTHETIC RESIN EQUIPPED With a HANDLE AND ITS MANUFACTORING PROCESS

PROCESS AND DEVICE OF MOULDING BY INJECTION Of a PARISON OR OUTLINE COMPOSITE

PROCESS FOR MANUFACTURING A PREFORM FOR THE PRODUCTION OF A BOTTLE CORK CLOSURE, PREFORM PRODUCED

L'objet de l'invention est un procédé de fabrication d'une préforme en matériau plastique pour la production d'une bouteille par soufflage présentant un col et un corps, ledit col ayant un diamètre nominal intérieur donné destiné à recevoir un bouchon en liège et ledit col comprenant un goulot avec une lèvre, caractérisé en ce qu'il comprend les étapes suivantes : Extrusion d'une préforme, comprenant un col et un corps, dans un moule comprenant une partie femelle (14) et une partie mâle (18) comprenant un mandrin (18-1), ledit mandrin ayant, au droit du col, en deçà de la lèvre du goulot dudit col, un diamètre supérieur de 3 à 4% à celui du diamètre nominal intérieur, Retrait en force du mandrin (18-1) avant refroidissement après injection, Refroidissement de la préforme avec la zone de dépression générée. L'invention couvre aussi la préforme obtenue.

PREFORM FOR THE MANUFACTURE OF THERMOPLASTIC MATTER CONTAINERS WITH INTERIOR PARTITION

PREFORM FOR THE MANUFACTURE OF THERMOPLASTIC MATTER CONTAINERS WITH INTERIOR PARTITION

PREFORM FOR THE MANUFACTURE OF THERMOPLASTIC MATTER CONTAINERS WITH INTERIOR PARTITION

BLOW MOLDED POLYESTER CONTAINER WITH AN OVER-MOLDED THERMOPLASTIC LAYER

Hollow article production

and preformed container having screw slot

Recipiente plástico dotado de uma superfìcie interna tratada com carbono

Preform and container having thread groove of varying depth

A finish for a plastic container and a preform adapted to be molded into the plastic container. The finish and the preform include an upper portion having a mouth defining an opening into the container. At least one groove is defined around a radial sidewall of the upper portion. The groove slopes gradually downward along the radial sidewall to a terminal end having a first groove depth at a groove entrance and a second groove depth after a predetermined amount of groove travel. The second groove depth being greater than the first groove depth.

Furanoic polymer preforms, containers and processing

Preforms and methods of processing 2,5-furandicarboxylic acid (FDCA) polymers, such as poly(ethylene-2,5-furandicaboxylate (PEF), to produce preforms and articles, such as containers. The present invention also includes preforms with superior processing characteristics and containers, such as PEF beverage bottles, with superior performance properties.

Biaxially drawn, blow-molded bottle and its preform

A biaxially drawn, blow-molded bottle and its preform comprise at least a layer of a gas barrier material laminated inside the PET resin layers, a functional portion having a screw thread raised spirally in the upper portion of neck and also having a stop ring disposed under the screw thread, and a neck ring disposed at the lower end of the neck. In these preform and bottle, the leading edge of the gas barrier layer is positioned at a half height of the neck ring where the most advanced front of the leading edge neither reaches a half height of the stop ring nor extends to the functional portion. It is intended here that the neck would not be affected by the shrinking deformation caused by the existence of the gas barrier layer in the functional portion of the neck, which is treated for thermal crystallization.

Multi-layer container and preform and process for obtaining same

A multi-layer preform, includes: (a) a plastic inner liner, comprised of a cylindrical walled body, which may or may not include a tapered annular shoulder portion, and a cylindrical walled neck portion extending upwardly from the body, and (b) a molded outer layer. Prior to the outer layer being molded over the plastic inner liner, at least a portion of the liner is crystallized by a heat treatment process. The molded outer layer may include a means to receive a closure device. When the preform is at an acceptable temperature range for orientation, the multi-layer preform can be blow-molded to form a multi-layer container having improved properties.

Preforms for preparing lightweight stretch blow molded PET copolymer containers and methods for making and using same

An injection molded preform for making a stretch blow molded container having an overall stretch ratio of from about 12 to about 16, wherein the overall stretch ratio is a product of a hoop stretch ratio and an axial stretch ratio, wherein the hoop stretch ratio is from about 5.6 to about 6.5, wherein the axial stretch ratio is from about 2.4 to about 2.7, and wherein the preform comprises a CG PET Copolymer having a free blow volume of from about 650 to about 800 ml measured at 100° C. and 90 psi using a 25 gram weight preform designed for a 500 ml container with a maximum diameter of 65 mm and a height of 200 mm from below the container finish and having a hoop stretch ratio of 5.5 and an axial stretch ratio of 2.6. This invention also relates to a method of making such preforms and stretch blow molded containers and methods of making the same.

SYNTHETIC RESIN BOTTLE HAVING A GRADATION PATTERN, AND PROCESS FOR INJECTION MOLDING THE PREFORM FOR USE IN SUCH A BOTTLE

The technical problem to be solved is to change the thickness of the colored resin layer of the preform gradually in the upward or downward direction, by utilizing a tendency of gradual decrease in the thickness of the colored resin layer caused by the flow of the main resin inside the preform mold when the main resin and the colored resin are injected into the mold. This involves adjusting the injection pattern including the time of starting and ending the supply of the main resin and the colored resin, and pressure or velocity profiles, reducing the thickness of the colored resin layer gradually upstream or downstream, injection-molding the preform in which a color-gradated portion associated with the thickness of the colored resin layer has been formed, and biaxially drawing and blow molding this preform into a bottle having a color-gradated portion.

ПОЛИЭФИРНАЯ ЕМКОСТЬ, ИЗГОТОВЛЕННАЯ ФОРМОВАНИЕМ С РАЗДУВОМ, С НАФОРМОВАННЫМ ТЕРМОПЛАСТИЧНЫМ СЛОЕМ

Группа изобретений относится к полиэфирным емкостям, изготовленным формованием с раздувом. Емкость, формованная с раздувом, имеющая корпус емкости и дозирующее выходное отверстие емкости, причем корпус емкости имеет термопластичный слой корпуса, и, по меньшей мере, один термопластичный слой, наформованный на часть термопластичного слоя корпуса, при этом термопластичный слой корпуса является или по существу прозрачным, или имеет первый цвет, и, по меньшей мере, один термопластичный наформованный слой имеет другой цвет, и в которой имеется множество термопластичных наформованных слоев, причем множество термопластичных наформованных слоев имеет цвета, отличающиеся один от другого. Группа изобретений позволяет улучшить внешний вид емкости. 2 н. и 19 з.п. ф-лы, 12 ил.

NACHFUELLBARE FLASCHE AUS POLYESTER UND VORFORMLING FUER IHRE HERSTELLUNG.

Verfahren zum Blasformen eines Behälters

Injektions- und Streckblasverfahren zum Formen von Kunstoffflaschen

BLOW-MOULDED BOTTLE-SHAPED CONTAINER OF BIAXIALLY ORIENTED POLYETHYLENE TEREPHTHALATE AND PIECE TO BE BLOW-MOULDED INTO THE SAME BOTTLESHAPED CONTAINER

Verfahren zum Formen eines mehrschichtigen Behälters aus Polyester

Bottle with handle

PROCESS FOR PRODUCTION OF MULTI-LAYER POLYETHYLENE TEREPHTHALATE PIPES FOR (STRETCH) BLOW MOULDING

PROCEDURES FOR BLAST PIPES OF A BIAXIAL ORIENTED MULTI-PATH CONTAINER FROM POLYESTER

DEVICE AND PROCEDURE FOR THE PRODUCTION OF A PREFORM, PREFORM FOR BLAST PIPES OF A CONTAINER AND A SUCH A CONTAINER

MORE EASILY STRETCH-BLOW-FORMED OF PETCOPOLYMERBEHÄLTER AND PREFORM TO THE PRODUCTION OF THE SAME

VORFORMLINGE TO THE RECEIPT OF CONTAINERS AND APPROPRIATE CONTAINER

PROCEDURE AND DEVICE FOR THE TREATMENT OF VORFORMLINGEN

PREFORM, PROCEDURE FOR MANUFACTURING A PREFORM AND A CONTAINER

ARTICLE OUT WITH A BARRIER LAYER COATED POLYESTER

VERFAHREN UND VORRICHTUNG ZUR BEARBEITUNG VON VORFORMLINGEN

REFILLABLE BOTTLE FROM POLYESTER.

PROCEDURE AND DEVICE FOR THE PRODUCTION OF A TUBULAR BODY

PROCEDURE FOR MANUFACTURING A CONTAINER FROM PLASTIC AS WELL AS AFTER PROCEDURE MANUFACTURED CONTAINER.

ONE-PIECE, SELFSTANDING, BLOW-FORMED PLASTIC CONTAINER

PROCEDURE AND DEVICE FOR MANUFACTURING STRETCH-BLOW-FORMED ARTICLES

BLOW-FORMED BOTTLE AS WELL AS THEIR USE

DRAIN-TEAR-RESISTANCE-ABLE REFILLING RECEIVER AND PROCEDURE FOR THE PRODUCTION

BOTTLE WITH A HANDLE AND PROCEDURE FOR THE PRODUCTION OF THE BOTTLE BY STRETCH-BLOW FORMING

Method and apparatus for producing stretch blow molded articles

A PROCESS FOR MOLDING A MULTIPLE LAYER STRUCTURE AND A CONTAINER MADE THEREFROM

Preform, process for producing the same, and biaxially stretched container obtained from the preform

Polypropylene container and process for making it

Improvement in thermoplastic-resin parisons and related manufacturing process

Container with multiple integral connection handle, preform and method of manufacture

PARISON FOR ORIENTED PLASTIC CONTAINERS

Dispensing consumable liquids

Method for injection molding a multi-layer preform for use in blow molding a plastic bottle

BLOWN PLASTIC CONTAINER

Multilayer plastic container and method of making the same

Polypropylene container and process for making it

Cluster pack comprising containers having a reinforced wall section

A cluster pack comprises at least two containers connected by a glued joint. One of the containers has a thickened wall region in the region of the glued joint. This region acts as a well reinforcement to reduce the risk of tearing a container during detachment from the cluster pack.

PLASTIC CONTAINER WITH THREADED NECK FINISH

A plastic intermediate article including a container portion and a trim portion. The container portion includes a neck portion having a plurality of threads. In embodiments, each of the plurality of threads include a first portion and a second portion, wherein the first portion is provided at a first angle relative to a centerline of the plastic blow molded intermediate article, the second portion is provided at a second angle relative to the centerline of the plastic blow molded intermediate article, and the first angle and second angle are different. A method for making a plastic container includes providing a plastic preform, blow molding the preform into an intermediate article that includes a neck portion with a plurality of blown threads, and removing an upper portion of the intermediate article. 1. A plastic intermediate article comprising:a container portion, including a neck portion having a plurality of threads; anda trim portion disposed above the container portion;wherein each of the plurality of threads include a first portion and a second portion, the first portion is provided at a first angle relative to a centerline of the plastic intermediate article, the second portion is provided at a second angle relative to the centerline of the plastic intermediate article, and the first angle and second angle are different.2. The plastic intermediate article of claim 1 , wherein the plurality of threads are blow molded.3. The plastic intermediate article of claim 1 , wherein the plurality of threads are injection molded.4. The plastic intermediate article of claim 1 , wherein the plastic intermediate article is comprised of polyethylene terephthalate (PET) claim 1 , polyethylene (PE) claim 1 , or polypropylene (PP).5. The plastic intermediate article of claim 1 , wherein the plastic intermediate article is comprised of a blend of two or more polymers.6. The plastic intermediate article of claim 1 , wherein the first angle is greater than the second angle.7. ...

Container preform with tamper evidence finish portion

A preform is provided for blow-molding to form a container. The preform includes a finish portion for rotatably engaging a closure to seal contents within an interior of the container. The finish portion comprises a cylindrical body that begins at an opening to the interior and extends to and includes a tamper evidence ledge. A mirror polished sealing surface inside the finish portion cooperates with a plug seal of the closure to seal the container. Threads outside the finish portion engage with similar threads inside the closure. Thread starts of the threads reduce potential damage to the threads during installation of the closure. The thread starts may include a start pitch that is greater than a thread pitch of the threads. A handling valley disposed between the threads and the tamper evidence ledge facilitates air-conveying the container along a manufacturing assembly line.

PET BLOW MOUDLING MACHINES

A blow moulding machine for blow moulding a container having an integrally formed handle; said container blow moulded from a previously injection moulded preform; said preform comprising a body portion and said integrally formed handle; said machine including a preform loading station at which said preform is oriented by a preform orienting apparatus. 162-. (canceled)63. A method for controlling a preform for stretch blow molding therefrom a container with an integrally formed handle , said preform comprising a body portion and said integrally formed handle; said integrally formed handle including a deflectable portion; said preform transferred from a preform supply source to a blow molding tool for blowing said container , said method including the steps of:a. passing said preform through a preform handle orienting apparatus;b. transferring said preform to a preform transportation system;c. setting heat outputs of individual preform heating elements to deliver a required distribution of heat density to said body portion of said preform whilst the preform is progressed by the transportation system towards the blow molding tool,d. transferring said preform from said transportation system to said blow molding tool;e. accommodating the body portion of the preform and the integrally formed handle in a cavity volume defined by a multi-part cavity of the blow molding tool;f. stretch blowing the preform whilst the preform is within the cavity volume;g. the integrally formed handle including a deflectable portion which moves within the cavity volume during the step of stretch blowing the preform.64. The method as claimed in for controlling the preform claim 63 , said preform comprising a body portion and an integrally formed handle claim 63 , said method including the steps of:a. orienting said preform so as to engage said preform with a transport system mandrel, said mandrel provided with a shield substantially covering said handle;b. arranging banks of the heating ...

OFF-CENTER CONTAINER MANUFACTURING METHOD AND TEMPERATURE ADJUSTMENT MOLD

A method of manufacturing an off-center container includes: stretching a preform made of resin having a bottomed shape with a stretching rod, heating the preform; and blow-molding the off-center container, in which a central axis of a neck portion is displaced from a central axis of a body portion, by introducing a pressurized fluid into the preform disposed in a mold. The container has a flat shape and a dimension in a first direction in a cross section is longer than in a second direction perpendicular to the first direction. In a circumferential cross section of the preform, a thickness of a first region corresponding to a surface extending in the first direction of the container is set to be thicker than a thickness of a second region corresponding to a surface extending in the second direction of the container.

MULTI-LAYER PREFORM AND CONTAINER

A container including a finish at a first end of the container defining an opening. A base is at a second end of the container that is opposite to the first end. A shoulder extends from the finish. A body defines an internal volume and extends from the shoulder to the base. A single layer material portion of the container extends from the first end to form at least a portion of the finish. A multi-layer material portion of the container extends from the single layer material portion to the second end of the container and across the base. A transition area is spaced apart from the first end where the single layer material portion transitions to the multi-layer material portion. 1. A container comprising:a finish at a first end of the container defining an opening;a base at a second end of the container that is opposite to the first end;a shoulder extending from the finish;a body defining an internal volume, the body extends from the shoulder to the base;a single layer material portion of the container extending from the first end to form at least a portion of the finish;a multi-layer material portion of the container extending from the single layer material portion to the second end of the container and across the base; anda transition area spaced apart from the first end where the single layer material portion transitions to the multi-layer material portion; the single layer material portion is formed of an inactive material; and', 'the multi-layer material portion is formed of an active material including an outer active material portion at an exterior of the container and an inner active material portion at an interior of the container, the inactive material is between the outer and inner active material portions., 'wherein2. The container of claim 1 , wherein the finish is entirely formed by the single layer material portion.3. The container of claim 1 , wherein the inactive material is a polymeric material.4. The container of claim 1 , wherein the inactive ...

A PREFORM, A MOLD STACK FOR PRODUCING THE PREFORM, AND A PREFORM HANDLING APPARATUS FOR HANDLING THE PREFORM

A preform suitable for subsequent blow-molding into a final-shaped container comprises: a neck portion; a base portion; and a body portion extending between the neck portion and the base portion; the body portion being defined between an inner surface having a circular transverse cross-sectional shape and an outer surface also having a circular transverse cross-sectional shape, the inner and outer surfaces being non-concentric, such that a wall thickness of the body portion varies circumferentially around the preform. A preform handling apparatus for retrieving a preform from a mold comprises a take-off device having a preform carrier and a take-off device alignment mechanism for maintaining the preform carrier in alignment with a contact surface of a body portion of the preform regardless of any offset between a longitudinal axis of a cylindrical outer surface of the body portion and a longitudinal axis of a cylindrical inner surface of the body portion. 1. A preform suitable for subsequent blow-molding into a final-shaped container , the preform comprising:a neck portion;a base portion; and the body portion being defined between an inner surface having a circular transverse cross-sectional shape and an outer surface also having a circular transverse cross-sectional shape, the inner and outer surfaces having respective longitudinal axes that are offset from one another along substantially the entire length of the body portion, such that a wall thickness of the body portion varies circumferentially around the preform;', 'wherein the base portion is defined between an inner end surface and an outer end surface that extend from the inner surface of the body portion and the outer surface of the body portion, respectively, coaxially therewith, wherein a base thickness of the base portion varies circumferentially around the preform., 'a body portion extending between the neck portion and the base portion;'}2. The preform of claim 1 , wherein the wall thickness comprises ...

HOT FILL CONTAINER HAVING SUPERIOR CRUSH RESISTANCE

A hot fill plastic container has a dome portion with a convex outer surface that defines a maximum outer diameter of the container so as to extend outwardly beyond a main body portion of the container. The generally egg-shaped dome portion enhances the crush resistance of the dome and provides a point of contact between containers when they are placed adjacent to one another. A circumferential stiffening groove may be provided near a lower end of the dome portion. 1. A method of packaging a product , the method comprising: a finish portion defining an opening,', 'a main body portion comprising a cylindrical sidewall having a first maximum diameter in plan view,', 'a dome portion between the finish portion and main body portion, the dome portion having, as viewed in longitudinal section:', 'an upper end disposed proximate to the finish portion,', 'a lowermost end disposed adjacent to the main body portion,', 'a first convex curved portion defining a first constant radius of curvature,', 'a second convex curved portion defining a second constant radius of curvature that is greater than the first radius of curvature,', 'and a convex curved non-cylindrical transition portion having a transition curvature connecting the first curved portion and the second curved portion,', 'wherein the first convex curved portion extends from the upper end of the dome portion to the transition and the second convex curved portion extends from the transition portion to the lowermost end of the dome portion, the dome portion further having a second maximum diameter in plan view that is greater than the first maximum diameter,', 'and a bottom portion having a standing ring and a cylindrical wall extending between the main body portion and the standing ring, the cylindrical wall having a third maximum diameter;, 'hot-filling a heated liquid or semi-solid product into a container, the container having'}sealing the opening of the container to define a sealed container; andallowing the liquid ...

INJECTION MOLDED PREFORM AND MANUFACTURE THEREOF

An injection moulded thermoplastic preform for blow moulding to form a container, the preform comprising a lower closed base portion, a hollow body portion, a hollow transition portion between the lower closed base portion and the hollow body portion, and an upper open end portion adjacent to an upper part of the hollow body portion, wherein the closed base portion comprises a central portion which extends over at least 50% of an internal radius of a lower end of the hollow body portion and is either substantially flat or has a shallow concave or convex internal curvature, and the transition portion comprises an upwardly and radially outwardly tapering portion extending away from the central portion to connect to the hollow body portion, the tapering portion being inclined at an angle of from 1 to 20 degrees to a longitudinal axis of the preform and the tapering portion increasing in thickness from the central portion to the hollow body portion. Also disclosed is a method of injection moulding the thermoplastic preform. 1. An injection moulded thermoplastic preform for blow moulding to form a container , the preform comprising a lower closed base portion , a hollow body portion having an annular wall , a hollow transition portion between the lower closed base portion and the hollow body portion , and an upper open end portion adjacent to an upper part of the hollow body portion , wherein the closed base portion comprises a central portion which extends over at least 50% of an internal radius of a lower end of the hollow body portion and is either substantially flat or has a shallow concave or convex internal curvature , and the transition portion comprises an upwardly and radially outwardly tapering portion extending away from the central portion to connect to the hollow body portion , the tapering portion being frustoconical and defined between outer and inner frustoconical walls , the tapering portion increasing in thickness from the central portion to the hollow ...

PREFORM AND MOLD STACK

According to the present invention there is provided a preform suitable for subsequent blow molding, and a mold stock for producing the preform. The preform comprises a base having an elliptical inner face with a first flat circular bottom portion, and an elliptical outer face with a second flat circular bottom portion. The first and second flat circular bottom portions each have a center on a vertical center axis of the preform and a radius of equal size. The mold stack comprises a core insert comprising a first cavity defining portion with a gate defining portion, and a gate insert comprising a second cavity defining portion. The gate defining portion has a first elliptical curvature with a first flat circular bottom portion, and the second cavity defining portion has a second elliptical curvature with a second flat circular bottom portion. The first and second flat circular bottom portions each have a center on a vertical axis of the mold stack and a radius of equal size. 1. A preform suitable for subsequent blow molding , the preform comprising:a neck, a base and a body extending therebetween, the neck, the body and the base each having inner and outer faces defining a wall thickness therebetween,the base having an elliptical inner face with a first flat circular bottom portion, and an elliptical outer face with a second flat circular bottom portion, andthe first and second flat circular bottom portions each having a center on a vertical center axis of the preform and a radius R of equal size.2. The preform according to claim 1 , whereinthe elliptical inner face of the base extends tangentially from a distal end of an inner face of the body, and the elliptical outer face of the base extends tangentially from a distal end of an outer face of the body, anda first ellipse defining the elliptical inner face and a second ellipse defining the elliptical outer face each have a center spaced from the vertical center axis of the preform by a radius equal to the radius R ...

Multi-Layer Blow Molded Article with Functional Visual and/or Tactile Effects

Blow molded articles having a predetermined feature incorporated into the wall provided by variations in the thickness of the wall of the article corresponding to a predetermined pattern etched into the perform from which the article was formed. Also, etched performs for making blow molded articles and methods for making such performs and articles. 1. A multi-layer blow molded article formed from a perform etched in a predetermined pattern , the article comprising:a neck forming an opening;a body portion extending from the neck to a base, the body portion including one or more walls surrounding an interior space in fluid communication with the opening, the one or more walls having an article inner surface, an article outer surface, and a thickness;a predetermined feature incorporated into at least a portion of the one or more walls, wherein the predetermined feature is provided by variations in the thickness of the one or more walls corresponding to the predetermined pattern.2. The multi-layer blow molded article of wherein the one or more walls include a first layer having a first thickness and a second layer having a second thickness claim 1 , wherein the first thickness changes throughout predetermined feature more than the second thickness in the same area.3. The multi-layer blow molded article of wherein the second layer is disposed inwardly of the first layer claim 2 , and further comprising a third layer disposed inwardly of the second layer and forming an article inner surface.4. The multi-layer blow molded article of wherein the predetermined feature creates a topography on the outer surface claim 1 , the topography having a Maximum Peak/Pit Height claim 1 , Sz claim 1 , less than 750 microns.5. The multi-layer blow molded article of wherein the article includes a label disposed at least partially over the portion of the article outer surface corresponding to the predetermined feature.6. The multi-layer blow molded article of wherein the outer surface has ...

METHOD OF MAKING MULTI-LAYER BLOW MOLDED ARTICLE WITH FUNCTIONAL, VISUAL, AND/OR TACTILE EFFECTS

Method for making blow molded articles having a predetermined feature incorporated into the wall provided by variations in the thickness of the wall of the article corresponding to a predetermined pattern etched into the preform from which the article was formed. 1. A method for making a blow molded article from a multi-layer preform , the method comprising the following steps:a) providing a preform of a thermoplastic material, the preform having a body with one or more walls and an opening, wherein at least a portion of an outer surface of the one or more walls of the preform has been etched to remove at least some of the thermoplastic material forming the one or more walls; andb) blow molding the preform so as to form an article.2. The method of wherein the etching is thermal-etching.3. The method of wherein the etching is laser-etching.4. The method of wherein the one or more walls of the preform have an outer layer and an inner layer claim 1 , each having a thickness claim 1 , and wherein the etching has a depth that is less than or equal to the thickness of the outer layer of the preform.5. The method of wherein the one or more walls of the preform have an outer layer and an inner layer claim 1 , and wherein the outer layer of the preform is translucent or transparent.6. The method of wherein the wherein the one or more walls of the preform have an outer layer and an inner layer claim 1 , each having a thickness claim 1 , and wherein the etching has a depth that is greater than or equal to the thickness of the outer layer of the preform.7. The method of wherein the wherein the one or more walls of the preform have an outer layer and an inner layer claim 1 , each having a thickness claim 1 , and wherein the outer layer and inner layer of the preform are made from different materials.8. The method of wherein the outer layer and inner material differ in color claim 7 , level of translucency claim 7 , functional material claim 7 , opacity claim 7 , gloss claim 7 , ...

Mono-layer blow molded article with functional, visual, and/or tactile effects and method of making such articles

Blow molded articles having a predetermined feature incorporated into the wall provided by variations in the thickness of the wall of the article corresponding to a predetermined pattern etched into the preform from which the article was formed. Also, etched preforms for making blow molded articles and methods for making such preforms and articles.

ARTICLE WITH VISUAL EFFECT

Article having a visual effect created by selectively varying the orientation of effect structures, such as effect pigments, within the walls of the article. 1. A blow molded article comprising:a body portion including one or more walls surrounding an interior space, the one or more walls having an article inner surface, an article outer surface, and a wall thickness, wherein at least a portion of the one or more walls includes one or more effect structures each having an effect surface normal having an orientation;a first region including a plurality of first effect structures having a first Average Normal Orientation;a second region including a plurality of second effect structures having a second Average Normal Orientation which is different from the first Average Normal Orientation; anda visual effect resulting from the difference between the first Average Normal Orientation of the effect structures in the first region and the second Average Normal Orientation of the effect structures in the second region.2. The blow molded article of wherein the visual effect is a dimensional visual effect.3. The blow molded article of claim 1 , wherein the visual effect has having an LOI of at least 3.4. The blow molded article of wherein the LOI of the visual effect is between 5 and 87.5. The blow molded article of wherein the visual effect includes a third region including a plurality of third effect structures claim 1 , the third effect structures having a third Average Normal Orientation that is different from the first Average Normal Orientation and the second Average Normal Orientation.6. The blow molded article of wherein the third Average Normal Orientation has an absolute value difference of at least 3 degrees from the orientation of the first Average Normal Orientation.7. The blow molded article of wherein effect structures having the first Average Normal Orientation are disposed between effect structures having the second Average Normal Orientation and effect ...

Article with Visual Effect and Method of Making

A blow molded article formed from a preform having an exterior surface including at least one etched region. The article includes a body portion including one or more walls surrounding an interior space. A cavity region corresponding to the etched region in the preform is disposed on a portion of the article outer surface and a non-cavity region is disposed adjacent the cavity region. The adjacent cavity and non-cavity regions form one or more visual effects and at least one of the one or more visual effects includes a portion having a 95% Delta E Value of at least 3.0. 1. A blow molded article formed from a preform having an exterior surface including at least one etched region and at least one non-etched region , the article comprising:a body portion including one or more walls surrounding an interior space, the one or more walls having an article inner surface, an article outer surface, and a wall thickness;a cavity region disposed on a portion of the article outer surface, the cavity region corresponding to the etched region in the preform; anda non-cavity region disposed on a portion of the article outer surface and adjacent the cavity region;wherein the adjacent cavity and non-cavity regions form one or more visual effects, and wherein at least one of the one or more visual effects includes a portion having a 95% Delta E Value of at least 3.0.2. The blow molded article of wherein at least one of the one or more visual effects includes a portion having a 95% Delta E Value of at least 5.0.3. The blow molded article of claim 1 , wherein at least one of the one or more visual effects includes a portion having a 95% Delta E Value of greater than or equal to 5.5.4. The blow molded article of wherein at least one of the one or more visual effects includes a portion having a 95% Delta E Value of between 5.0 and 100.0.5. The blow molded article of wherein the visual effect is a dimensional visual effect.6. The blow molded article of wherein the etched region includes ...

Container, preform assembly and method and apparatus for forming containers

Preform assembly for blow moulding a container, comprising at least a first and a second perform, wherein the first perform is positioned inside the second perform before blow moulding the performs into the container, wherein each perform has a body forming portion having a wall thickness of less than about 8 millimetres, preferably less than about 6 mm.

PREFORM HAVING A VARIABLE THICKNESS AROUND A MAIN AXIS

Preform () made of a plastic material for the manufacturing of a container () by blow molding or stretch-blow molding, the preform () including a sidewall () extending along a main axis (Z), an open neck () and a substantially hemispherical closed bottom () having a thickness (T) which varies at least locally around the main axis (Z). 11212042121212424231. Preform () made of a plastic material for the manufacturing of a container () by blow molding or stretch-blow molding , said preform () comprising a sidewall () extending along a main axis (Z) , an open neck () and a substantially hemispherical closed bottom () , wherein the bottom () has a thickness (T) which varies at least locally around the main axis (Z) , the bottom () including a thinner zone () located within a limited angular sector around the main axis (Z) , said thinner zone () being obtained by a groove formed within the inner surface () of the preform ().21. Preform () according to claim 1 , wherein the angular sector has an angle (A) comprised between 45° and 180°.31. Preform () according to claim 2 , wherein the angular sector has an angle (A) comprised between 90° and 150°.412124124221. Preform () according to claim 1 , that has on the bottom () claim 1 , outside the thinner zone () claim 1 , a thickness T and claim 1 , in the thinner zone () claim 1 , a minimum thickness T such that T≦0.9·T.5122421. Preform () according to claim 1 , wherein the minimum thickness T in the thinner zone () is such that T≧0.6·T.6124. Preform () according to claim 1 , wherein the thinner zone () extends substantially along an arc of a circle having its center on the main axis (Z).7124202121. Preform () according to claim 1 , wherein the thinner zone () extends at substantially equal distance between the main axis (Z) and the junction between the sidewall () and the bottom () claim 1 , when measured in a curvilinear manner along a meridian of the bottom ().812124124221. Preform () according to claim 2 , that has on the ...

PREFORMS FOR FLAIR APPLICATIONS

A preform can be made from two different materials that do not bond together by a bi-injection process, using the same mold. First an outer preform can be fashioned first, then an inner preform molded through a center hole in the outer preform, and the preforms connected. Inner/outer preform materials can be different, e.g., PET/polyolefin or polyamide, or the same, e.g., PET/PET. To prevent mutual bonding during molding of the second, a non-stick coating can be sprayed on a surface portion of the first preform prior to molding, the second. Manufacturing order can be either outer/inner, or inner/outer, and the non-stick coating sprayed on the inside/outside of the perform first molded. 122-. (canceled)23. A pre-form for a liquid dispensing device , comprising:an inner layer; andan outer layer,a top portion of the inner layer connected to a top portion of the outer layer;the inner layer comprising a protrusion from a bottom surface of the inner layer that extends, through an opening in a bottom surface of the outer layer, through the entire thickness of the outer layer and beyond the bottom surface of the outer layer, the protrusion including a flattened end portion so as to provide a bottom connection between the inner layer and the outer layer,wherein the inner layer is provided with an integrally molded pusher protruding from its bottom surface, to push the bottom surface of the inner layer upwards when pressure is applied to a distal end of the pusher by a user, to separate the inner layer from the outer layer.24. The pre-form of claim 23 , wherein the bottom connection is not air tight.25. The pre-form of claim 23 , wherein the flattened end portion has a larger diameter than a diameter of the opening in the bottom surface of the outer layer.26. The pre-form of claim 23 , the outer layer further comprising an air inlet on its bottom surface.27. The pre-form of claim 26 , wherein the integrally molded pusher is provided adjacent to the air inlet.28. The pre-form ...

PREFORM MOLDING SYSTEM AND MOLD STACK FOR A PREFORM MOLDING SYSTEM

A preform molding system is disclosed that includes a cavity half that is mountable to a stationary platen of an injection molding machine and a core half that is mountable to a moving platen of the injection molding machine. The preform molding system includes a mold stack assembly having a cavity portion and a core portion. The cavity portion is coupled to the cavity half and includes a cavity insert, and the core portion is coupled to the core half and includes a core insert, a pair of neck rings, and a stripper ring. The core insert has an undercut that defines an annular protrusion on an internal surface of a preform that is created in the mold stack assembly. The preform molding system is configured to permit in sequence, retraction of the pair of neck rings away from the core insert and ejection of the preform from the core insert via the stripper ring. 120-. (canceled)21. A method of ejecting a preform from a preform molding system mounted in an injection molding machine , the method comprising:separating a core half and a cavity half of the preform molding system;retracting a pair of neck rings from the preform;axially displacing the preform relative to a core insert of the core half to cause an open end of the preform to expand around a calibration portion of the core insert; andmaintaining the open end of the preform in an expanded state while continuing to axially displace the preform from the core insert of the core half of the preform molding system.22. The method of claim 21 , wherein separating the core half and the cavity half translates the preform molding system from a mold closed configuration to a mold open configuration.23. The method of claim 22 , wherein linear movement associated with translating the preform molding system from the mold closed configuration to the mold open configuration causes lateral slides on the core half to move away from the core insert and thereby retracting the pair of neck rings claim 22 , which are coupled to the ...

PREFORM, A CONTAINER, AND A METHOD FOR FABRICATION OF A PREFORM

A method for fabricating a preform by providing a plurality of preform segments which each define a portion of a preform, positioning said preform segments in continuous contact with each other along at least one edge of said preform segments such that said plurality of preform segments define a cavity, and bonding each of said preform segments to at least one other preform segment such that said plurality of preform segments forms a continuous whole. 1. A preform comprising a plurality of preform segments each defining a portion of the preform , each of the preform segments is bonded to at least one other preform segment to constitute the preform with a cavity defined by the plurality of preform segments.2. The preform of claim 1 , wherein the preform comprises an open end communicating with the cavity claim 1 , the open end being provided with a member for interfacing with a closure device.3. The preform of claim 1 , wherein the preform segments comprise walls of at least two different thicknesses.4. The preform of claim 1 , wherein the preform segments have at least two different intrinsic viscosities.5. The preform of claim 1 , wherein the preform segments are fabricated from at least two different materials.6. The preform of claim 1 , wherein the preform segments are of at least two different colors.7. The preform of claim 1 , wherein the inside diameter of the preform at a cross-section is greater than the inside diameter of the preform at an open end of the preform.8. The preform of claim 1 , wherein the preform comprises an open end offset from the longitudinal axis of the preform.9. The preform of comprising at least one rib located upon a surface of the preform. This application is a divisional of U.S. application Ser. No. 14/414,756 filed Jan. 14, 2015, which is a National Stage of International Application No. PCT/EP13/065729 filed Jul. 25, 2013, which claims priority to European Application No. 12179128.9 filed Aug. 3, 2012, the entire contents of which ...

Continuous blow moulding machine, preforms, system and process

A continuously rotating, non-symmetric preform feed, stretch-blow-moulding machine dedicated to the stretch-blow-moulding of containers from non-symmetric injection moulded preforms; the non-symmetric preforms including an integral handle extending from a first junction point to a second junction point on a body of the preform; the body of the preform and the integral handle constituted from the same material.

Container having varying wall thickness

A container having varying material distribution or wall thickness is disclosed.

Container, preform assembly and method and apparatus for forming containers

Preform assembly for blow moulding a container, comprising at least a first and a second perform, wherein the first perform is positioned inside the second perform before blow moulding the performs into the container, wherein each perform has a body forming portion having a wall thickness of less than about 8 millimetres, preferably less than about 6 mm.

VARIABLE THICKNESS PREFORM FOR A BOTTLE

A preform for a container has a hollow cylindrical main body having a first thickness, a hollow cylindrical thick portion having a second thickness greater than the first thickness, and a curved end portion. Inner surfaces of the main body, the thick portion, and the end portion form a cavity. 1. A preform for a container , comprising:a hollow cylindrical main body having a first thickness;a hollow cylindrical thick portion having a second thickness greater than the first thickness; anda curved end portion,wherein inner surfaces of the main body, the thick portion, and the end portion form a cavity.2. The preform as recited in claim 1 ,wherein an outer diameter of the thick portion is greater than that of the main portion.3. The preform as recited in claim 1 ,wherein an inner diameter of the thick portion is the same as that of the main portion.4. The preform as recited in claim 1 , further comprising:a tapered transition portion formed between the main body and the thick portion, such that the thickness increases gradually from the main body to the thick portion.5. The preform as recited in claim 2 , further comprising:a tapered transition portion formed between the main body and the thick portion, such that the outer diameter increases gradually from the main body to the thick portion.6. The preform as recited in claim 1 , further comprising:a threaded neck portion disposed above the main body.7. The preform as recited in claim 1 , further comprising:an integral handle attached to the main body at an upper attachment point, and attached to the thick portion at a lower attachment point.8. The preform as recited in claim 1 , further comprising:an integral handle attached to the main body at both an upper attachment point and a lower attachment point.9. The preform as recited in claim 4 , further comprising:an integral handle attached to the main body at an upper attachment point, and attached to the tapered transition portion at a lower attachment point.10. The ...

LIGHTWEIGHT PLASTIC CONTAINER AND PREFORM

A plastic preform is provided that includes a hollow body portion including a closed bottom portion, a lower portion extending upwardly from the bottom portion, and a neck portion extending upwardly from the lower portion. The neck portion includes a support flange having an upper and lower surface, a tamper-evident formation, threads, and a dispensing opening positioned at a top of the neck portion. In an embodiment, the weight of the neck portion is 2.3 grams or less; and/or the vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.500 inches or less. Containers and methods for molding preforms and making containers are also disclosed. 1. A plastic preform , comprising: a closed bottom portion; and', 'a lower portion extending upwardly from the bottom portion; and, 'a hollow body portion including a dispensing opening positioned at a top of the neck portion;', 'threads positioned below the dispensing opening;', 'a tamper-evident formation positioned below the threads; and', 'a support flange positioned below the tamper-evident formation, the support flange having an upper surface and a lower surface;, 'a neck portion extending upwardly from the lower portion, the neck portion includingwherein the preform is formed of a material comprising polyethylene terephthalate (PET); a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 grams or less; and a vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.500 inches or less.2. The preform according to claim 1 , wherein a vertical distance from a furthest outwardly radially-extending portion of a lower surface of the tamper-evident formation to the upper surface of the support flange at the same outward radial distance is 0.15 inches or less.3. The preform according to claim 1 , wherein the preform is ...

LIGHTWEIGHT PLASTIC CONTAINER AND PREFORM

A plastic container includes a lower supporting base portion; a sidewall portion extending upwardly from the base portion; and a neck portion extending upwardly from the sidewall portion. The neck portion includes a tamper-evident formation, threads, and a dispensing opening at the top of the neck portion. In embodiments, a closure may be provided to form an assembly. In an embodiment, the weight of the neck portion is 2.3 grams or less; a vertical distance from the lower surface of the tamper-evident formation to a top of the dispensing opening is 0.30 or less; and/or the container may be filled with a beverage. In embodiments, the volume of the container may be at least 500 ml. A preform and method for making a container are also disclosed. 1. A container assembly comprising: a lower supporting base portion;', 'a sidewall portion extending upwardly from the base portion; and', 'a neck portion extending upwardly from the sidewall portion, the neck portion including a dispensing opening positioned at a top of the neck portion, threads positioned below the dispensing opening, and a radially extending tamper-evident formation positioned below the threads, the tamper-evident formation having a lower surface; and, '(i) a plastic blow molded container comprising(ii) a closure configured to receive the threads;wherein the container is formed of a material comprising polyethylene terephthalate (PET); a weight of the neck portion is 2.3 grams or less; a combined weight of the lower supporting base portion, the sidewall portion and the neck portion is 10 grams or less; a vertical distance from the lower surface of the tamper evident formation to a top of the dispensing opening is 0.30 inches or less; a ratio of a height of a center of gravity of the container to container height is less than 0.57; a volume of the container is at least 500 ml; the container is filled with a beverage; and an inner diameter of the dispensing opening is at least 22 mm.2. The container assembly ...

Lightweight plastic container and preform

A plastic container is provided that includes a hollow body portion including a lower supporting base portion; a sidewall portion extending upwardly from the base portion; and a neck portion extending upwardly from the sidewall portion. The neck portion includes a support flange having an upper and lower surface, threads, and a dispensing opening at the top of the neck portion. In embodiments, a closure may be provided to form an assembly. In embodiments, the container may be comprised of PET, the weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening may be 2.3 grams or less, and/or the vertical distance from the top of the dispensing opening to the lower surface of the support flange may be 0.450 inches or less. A preform and method for making a container are also disclosed.

Lightweight plastic container and preform

A plastic container is provided that includes a hollow body portion including a lower supporting base portion; a sidewall portion extending upwardly from the base portion; and a neck portion extending upwardly from the sidewall portion. The neck portion includes a support flange having an upper and lower surface, a tamper-evident formation, and a dispensing opening at the top of the neck portion. In embodiments, a closure may be provided to form an assembly. In embodiments, the container is comprised of polyethylene terephthalate (PET), a volume of the container is at least 500 ml, and/or the weight of the neck portion is 2.3 grams or less. A preform and method for making a container are also disclosed.

PREFORM FOR PRODUCTION OF A PLASTIC CONTAINER IN A STRETCH-BLOW-MOLDING METHOD

A preform for a stretch-blow-molded plastic container includes an elongated, tube-like preform body. An outer wall and an inner wall delimit a bottom thickness (b). An outer wall and an inner wall delimit a wall thickness (w). An inner surface and an outer surface (E) curved in three-dimensionally convex manners are spaced apart such that a distance from their respective apex (S, S′) to the preform body continuously increases. Extensions of the outer wall of the preform bottom along the outer three-dimensionally curved surface (E), and of the inner wall of the preform bottom along the inner three-dimensionally curved surface (E) are configured to be interrupted by set-backs area outside of their respective apex (S, S′) thereof. 1. A preform for production of a plastic container in a stretch-blow-molding method , the preform comprising:an elongated, tube-like preform body, which is closed with a preform bottom on one of its longitudinal ends and whose other longitudinal end adjoins a transition area, to which a preform neck connects, whereby the preform bottom has an outer wall and an inner wall, which delimit a bottom thickness (b), whereby the preform body has an outer wall and an inner wall that delimit a wall thickness (w), wherein:{'b': 2', '1', '1', '2, 'an inner surface (E) that is curved in a three-dimensionally convex manner and an outer surface (E) that is curved in a three-dimensionally convex manner are spaced apart from one another such that a distance from their respective apex (S, S′) to the preform body continuously increases, whereby an extension of the outer wall of the preform bottom along the outer three-dimensionally curved surface (E) is configured to be interrupted by a set-back area outside of the apex (S) thereof, and whereby an extension of the inner wall of the preform bottom along the inner three-dimensionally curved surface (E) is configured to be interrupted by a set-back area outside of the apex (S′) thereof.'}2. The preform according ...

Bottle with extended neck finish and method of making same

A blow molded synthetic resin bottle has a body and an elongated neck with the body providing a shoulder extending about the base of the neck. The neck has a first collar extending thereabout spaced adjacent the shoulder and at least one additional collar extending thereabout adjacent the upper end of the neck. The resin in the neck is substantially unoriented. To produce the bottle, a synthetic resin preform is injection molded with a generally tubular body and the elongated neck. This preform is placed in a blow mold cavity having a body receiving portion and a neck receiving portion that has a recess extending thereabout seating the first collar therein. The additional collar is disposed outwardly of the mold cavity and is disposed on the upper surface of the mold.

Plastic Container With Strapped Base

A container may have a base, a sidewall connected to the base, a bell connected to the sidewall, and a finish connected to the bell. The base may have strap ribs to resist deformation of the base. The sidewall may have recessed columns to resist bending, leaning, crumbling, and/or stretching. The strap ribs and recessed columns may vertically line up along a central axis of the container to communicate forces on the container vertically along the container to continuously resist. 1. A container comprising a flat foot base having strap ribs and a sidewall having recessed columns , the strap ribs and recessed columns vertically lined up to resist deformation in the base and the sidewall , the container comprising:a flat foot base comprising a gate, a wall, and flat feet, the gate centered on a central axis of the container, the wall extending from the gate toward a resting surface of the container, the flat feet extending from the wall to the resting surface;a sidewall connected to the base, the sidewall extending substantially along the central axis to define at least part of an interior of the container;a bell connected to the sidewall and leading upward and radially inward to a finish connected to the bell;a plurality of strap ribs positioned in the base between the flat feet, the strap ribs extending radially outward from at least one of the gate or the wall toward the sidewall, the strap ribs sloping upward relative to the resting surface toward the sidewall from the at least one of the gate or the wall to resist deformation of the base; anda plurality of recessed columns positioned in the sidewall, the recessed columns comprising sidewall ribs extending along a periphery of the sidewall and centered about the central axis, wherein portions of the sidewall between the sidewall ribs are substantially continuous along the periphery of the sidewall, the recessed columns configured to resist at least one of bending, leaning, crumbling, or stretching along the ...

PREFORM FOR BLOW MOLDED SYRINGE FOR USE WITH INJECTORS

A syringe for use in a pressurized injection of a fluid includes a syringe barrel including a polymeric material having undergone expansion via blow molding. A preform for blow molding a blow molded syringe is described, the preform including a proximal end having a retention mechanism adapted to connect to the syringe to a powered injector, a distal end having a syringe outlet section, and a barrel section between the retention mechanism and the syringe outlet section, wherein the barrel section is adapted to be blow molded to form a cylindrical wall of a syringe barrel defined between the retention mechanism and the syringe outlet section. 1. A preform for a stretch blow molded syringe , the preform comprising:a proximal end having a retention mechanism, the retention mechanism adapted to connect the syringe to a powered injector;a distal end having a syringe outlet section; anda barrel section between the retention mechanism and the syringe outlet section,wherein the preform comprises at least one polymeric material, andwherein the barrel section is adapted to be stretch blow molded to form a cylindrical wall of a syringe barrel defined between the retention mechanism and the syringe outlet section, andwherein the syringe outlet section in formed during an injection molding process of the preform and is not substantially altered during a stretch blow molding expansion process.2. The preform of claim 1 , wherein the retention mechanism is formed during an injection molding process of the preform.3. The preform of claim 2 , wherein the retention mechanism is not substantially altered during the stretch blow molding expansion process.4. The preform of claim 1 , wherein the syringe outlet section comprises a connector adapted to connect with a complementary connector of a fluid path element.5. The preform of claim 4 , wherein the connector is one of a male luer connector or a female luer connector.6. The preform of claim 4 , wherein the connector comprises an outlet ...

METHOD AND APPARATUS FOR THE PRODUCTION OF AN OPTIMIZED NECK CONTOUR ON PREFORMS

A method and device for producing an optimized neck contour on preforms below the neck which is optimal for subsequent stretch blow molding. The geometry has a significantly thinner wall thickness than the neck itself. The preform can only be produced in the injection molding tool, when axial channels are used on the point or the vanes produce the thin points on the preform during injection molding. The thin-walled geometry on the preform can be produced outside of the mold during post-cooling by embossing. The preform is then removed in a cooled receiving sleeve and is cooled in the body by intensive contact cooling while no cooling contact is made with the preform neck due to the initial position of the embossing element. Due to the reheating of the neck they can be mechanically deformed into a new geometry advantageous for blow molding and thus wall thickness can be influenced. 1. A method for producing preforms with an improved neck geometry at a transition to a preform body by a reduced cross-sectional area , having a thinner wall thickness interrupted by at least two outer channels beneath a threaded region or a transporting ring for a material and energy-saving blow-molding process , wherein the produced preform made of at least one thermoplastic material , and the preform is provided in order to be formed into blow-molded containers , the method comprising: providing channels having an increased wall thickness similar to an underlying area so that when the preform is injection molded the holding pressure is maintained , despite thin-walled regions that separate the preform body and preform neck , by the channels with an increased wall thickness and the channels with increased wall thickness are always externally visible as a characteristic on a completed preform body.2. The method according to claim 1 , including providing all of the preforms claim 1 , as the preforms are being produced claim 1 , with at least two ribs or channels in the thin-walled region ...

METHOD AND DEVICE FOR THE PRODUCTION OF AN OPTIMIZED NECK CONTOUR ON PREFORMS

A method and device for producing an optimized neck contour on preforms below the neck which is optimal for subsequent stretch blow molding. The geometry has a significantly thinner wall thickness than the neck itself. The preform can only be produced in the injection molding tool, when axial channels are used on the point or the vanes produce the thin points on the preform during injection molding. The thin-walled geometry on the preform can be produced outside of the mold during post-cooling by embossing. The preform is then removed in a cooled receiving sleeve and is cooled in the body by intensive contact cooling while no cooling contact is made with the preform neck due to the initial position of the embossing element. Due to the reheating of the neck they can be mechanically deformed into a new geometry advantageous for blow molding and thus wall thickness can be influenced. 1. A method for producing preforms with an improved neck geometry beneath a threaded region or a transporting ring for a simplified subsequent blow-molding process , wherein the produced preform is made of at least one thermoplastic material and has a significantly thinner wall thickness in a neck region beneath the thread than in the thread itself , and the preform is provided in order to be formed into blow-molded containers , the method comprising: providing at least two channels having an increased wall thickness so that when the preform is injection molded the holding pressure is maintained , despite thin-walled regions , the at least two channels being provided on a circumference of the described preform regions; and designing a mold for the preform so that two or three of the channels are provided over the thin-walled region with a sufficient width to ensure maintenance of pressure in the neck region so that the preform is producible by conventional injection molding technology.2. The method according to claim 1 , including providing all of the preforms claim 1 , as the preforms are ...

METHOD OF STABILIZING A PLASTIC AEROSOL CONTAINER

A plastic aerosol container includes a main body portion that is constructed and arranged to withstand aerosol pressurization within a range that is about 50-300 psig. The plastic aerosol container also includes a finish portion that is unitary with the main body portion. The finish portion may be threaded or unthreaded. The finish portion has a side wall, an upper sealing surface, at least one helical thread and a support ledge beneath the helical thread. Reinforcement structure is positioned beneath the support ledge for reinforcing the finish portion against deformation due to the pressurization. A method of stabilizing a plastic aerosol container is also disclosed. 1. A plastic aerosol container , comprising:a main body portion that is constructed and arranged to withstand aerosol pressurization within a range that is about 50-300 psig;a finish portion that is unitary with the main body portion, the finish portion having a sidewall and an upper sealing surface, the finish portion further including securement means to secure an aerosol dispensing closure to the finish portion, a support ledge positioned beneath the securement means; anda reinforcement structure positioned beneath the support ledge for reinforcing the finish portion against deformation due to pressurization;wherein the reinforcement structure comprises a secondary flange that is unitary with the side wall of the finish portion; andthe secondary flange has an outer circumference that is non-circular in at least one location.2. An aerosol container according to wherein the support ledge has a circular circumference when viewed in top plan.3. An aerosol container according to wherein the circumference of the support ledge includes a pair of closure fitment registering recesses.4. An aerosol container according to claim 1 , wherein the secondary flange is fabricated by injection molding or blow molding.5. An aerosol container according to claim 1 , further comprising an aerosol dispensing closure ...

MOLDED ARTICLE, CONTAINER AND A METHOD FOR THE MOLDING AND RECYCLING THEREOF

Disclosed herein, amongst other things, is a molded article, such as a preform that is blow moldable to form a container, and a related method of forming and recycling a container. The structure and steps includes injection molding a molded article having tubular body. 1. A molded article for providing a container the molded article comprising:a body configurable to define a storage vessel of the container;the body is formed from a first thermoplastic that is stable in contact with water and from a second thermoplastic that is unstable in contact with water;wherein the second thermoplastic carries an additive therein.2. The molded article of claim 1 , wherein the body is a preform at least portion of which is re-moldable to define the container.3. The molded article of claim 2 , wherein the body of the preform is one of hollow or a solid block claim 2 , at least in part.4. The molded article of claim 3 , wherein one or more surfaces of the hollow body are one or more of cylindrical claim 3 , conical claim 3 , rectangular or ovoid in shape.5. The molded article of claim 3 , wherein the surfaces of the hollow body are one of concentric or non-concentric for remolding into the container having an offset neck.6. The molded article of claim 3 , wherein the body further includes an open end and a closed end.7. The molded article of claim 6 , wherein the open end defines a neck portion and the closed end defines a base portion claim 6 , wherein the neck portion is configured to define a neck part of the container and is also configured to be capped to enclose a volume defined within the container claim 6 , the body portion and the base portion are blow moldable to provide a body part and a base part of the container claim 6 , respectively.8. The molded article of claim 3 , wherein the preform includes a neck portion having a wide mouth and a body portion that is conical.9. The molded article of claim 3 , wherein the preform is configured for blow and trim molding into the ...

Preform Extended Finish For Processing Light Weight Ecologically Beneficial Bottles

Disclosed are preforms which incorporate improvements in the region of the neck and upper segment of the body to allow the production of lightweight containers, such as bottles suitable for containing water or other beverages. In accordance with certain embodiments, the improvements include a thinner neck finish area than conventional bottles, where the thinner area is extended into the upper segment of the body portion below the support ring. Reducing the thickness in these areas of the bottle allows for less resin to be used in forming the preform and bottle. 1. A PET preform for forming a heat-set container , the preform comprising:a cylindrical portion configured to be blow-molded into the heat-set container; anda neck portion that couples a finish with the cylindrical portion.2. The preform of claim 1 , wherein the neck portion tapers from the finish to a diameter of the cylindrical portion.3. The preform of claim 2 , wherein a wall thickness of the neck portion smoothly transitions to a predetermined wall thickness of the cylindrical portion.4. The preform of claim 3 , wherein the predetermined wall thickness is suitable for being blow-molded into the heat-set container.5. The preform of claim 4 , wherein the predetermined wall thickness is configured for being blow-molded into a heat-set container suitable for containing pressurized contents.6. The preform of claim 4 , wherein the predetermined wall thickness is selected such that the heat-set container may be configured to withstand nitrogen hot-filling with pressurized contents.7. The preform of claim 1 , wherein the finish includes an opening to an interior of the cylindrical portion.8. The preform of claim 7 , wherein the finish is configured to accommodate a relatively large headspace suitable for nitrogen hot-filling the heat-set container with pressurized contents.9. The preform of claim 7 , wherein the finish includes at least one thread configured to rotatably engage with threads disposed in a cap.10 ...

Preform Extended Finish For Processing Light Weight Ecologically Beneficial Bottles

Disclosed are preforms which incorporate improvements in the region of the neck and upper segment of the body to allow the production of lightweight containers, such as bottles suitable for containing water or other beverages. In accordance with certain embodiments, the improvements include a thinner neck finish area than conventional bottles, where the thinner area is extended into the upper segment of the body portion below the support ring. Reducing the thickness in these areas of the bottle allows for less resin to be used in forming the preform and bottle. 1. A preform suitable for being blow-molded to form a container , the preform comprising:a neck portion comprising an opening to an interior of the preform;a tapered portion comprising a smooth transition from a diameter of the neck portion to a smaller diameter of a cylindrical portion comprising an elongate member that extends to an end cap; anda finish disposed on the neck portion and configured to threadably receive a cap.2. The preform of claim 1 , wherein the tapered portion comprises a wall thickness that smoothly transitions from a wall thickness of the neck portion to a relatively greater wall thickness of the cylindrical portion claim 1 , the wall thickness of the tapered portion and the wall thickness of the cylindrical portion being suitable for being blow-molded into a predetermined shape and size of the container.3. The preform of claim 1 , wherein the finish comprises one or more threads configured to rotatably engage with threads disposed within the cap.4. The preform of claim 3 , wherein the one or more threads each extends along a section of the circumference of the neck portion.5. The preform of claim 3 , wherein the one or more threads are spaced uniformly around the circumference of the neck portion.6. The preform of claim 5 , wherein adjacent of the one or more threads share an intervening valley configured to allow passage of a thread disposed in the cap.7. The preform of claim 1 , ...

PREFORM MOLDING SYSTEM AND MOLD STACK FOR A PREFORM MOLDING SYSTEM

A preform molding system is disclosed that includes a cavity half that is mountable to a stationary platen of an injection molding machine and a core half that is mountable to a moving platen of the injection molding machine. The preform molding system includes a mold stack assembly having a cavity portion and a core portion. The cavity portion is coupled to the cavity half and includes a cavity insert, and the core portion is coupled to the core half and includes a core insert, a pair of neck rings, and a stripper ring. The core insert has an undercut that defines an annular protrusion on an internal surface of a preform that is created in the mold stack assembly. The preform molding system is configured to permit in sequence, retraction of the pair of neck rings away from the core insert and ejection of the preform from the core insert via the stripper ring. 1. A preform molding system having a cavity half mountable to a stationary platen of an injection molding machine , and a core half mountable to a moving platen of the injection molding machine , the preform molding system comprising:a mold stack assembly having a cavity portion and a core portion,the cavity portion coupled to the cavity half and including a cavity insert, andthe core portion coupled to the core half and including a core insert, a pair of neck rings, and a stripper ring, the core insert having an undercut that defines an annular protrusion on an internal surface of a preform created in the mold stack assembly, andwherein the preform molding system is configured to permit in sequence retraction of the pair of neck rings away from the core insert, and ejection of the preform from the core insert via the stripper ring.2. The preform molding system according to claim 1 , wherein the stripper ring includes internal tapered surface by which the stripper ring is concentrically aligned with the core insert.3. The preform molding system according to claim 2 , wherein the stripper ring includes an ...

GAS BARRIER ENHANCING ADDITIVES AND METHODS

Polyesters compositions comprising gas barrier enhancing additives and containers comprising such polyester compositions are provided herein. Also provided are methods for preparing polyester containers comprising said gas barrier enhancing additives. The polyester containers of the present invention exhibit decreased permeability to gases thereby providing improved shelf-life. 2. The polyester container of claim 1 , wherein the polyester is selected from the group consisting of PET claim 1 , PET copolymer. PEN claim 1 , polyethylene isophthalate claim 1 , nylons claim 1 , aliphatic polyesters and combinations thereof.3. The polyester container of claim 2 , wherein the polyester is PET or a PET copolymer.4. The polyester container of claim 1 , wherein the loading level of the gas barrier enhancing additive is in the range of about 0.1 to about 40 weight percent of the polyester composition.5. The polyester container of claim 1 , wherein the gas barrier enhancing additive has a molecular weight greater than about 194 g/mole.6. The polyester container of claim 1 , wherein the gas barrier enhancing additive is a purine derivative selected from the group consisting of purine dimmers claim 1 , trimers and tetramers.7. The polyester container of claim 1 , wherein the vapor pressure of the gas barrier enhancing additive at 260° C. is less than about 25 Pa.8. A method for forming a hollow plastic container comprising:(i) providing a polyester resin material;(ii) heating the polyester resin material to provide a molten resin;(iii) adding a gas barrier enhancing additive of Formula I to the molten resin;(iv) introducing the molten resin into a mold;(v) cooling the molten resin to form a preform;(vi) removing the perform from the mold; and(vi) blow molding the perform to form a hollow plastic container.9. A method for forming a hollow plastic container comprising:(i) providing a polyester resin material comprising a polyester and a gas barrier enhancing additive;(ii) heating ...

Liquid blow molding apparatus and preform

A construction that prevents liquid from dripping from a nozzle and adhering to a product when the nozzle is separated from a mouth of the product after liquid-blow molding. A preform includes a mouth, a body, and a neck support portion, and is provided with a step surface on an inner peripheral face adjacent to the neck support part. A liquid blow molding apparatus includes a nozzle that is inserted in the mouth of the preform, a pressurized liquid-supply unit that supplies pressurized liquid to the nozzle, and a sealing member that is formed in a cylinder and fits on an outer peripheral face of the nozzle abuts the step surface, in an axial direction, when the nozzle is inserted in the mouth of the preform to seal the gap between the nozzle and the inner peripheral face of the preform.

PREFORM WITH A CONCAVE BOTTOM AND AN EVOLVING THICKNESS

Disclosed is a preform for a plastics container, which includes: a rotationally symmetrical body about a central axis; an open neck which extends in continuation of the body from an upper end of the latter; a bottom which closes the body starting from a lower end of the latter, the bottom being rotationally symmetrical about the central axis and having a central concavity and a protruding bulge around this concavity, the bottom having a thickness E, measured from an external face, that is variable in accordance with three different criteria respectively applied to three sections of the bottom, namely a central section [0; S], an intermediate section [S; S] and a peripheral section [S; L]. 2171. Preform () according to claim 1 , in which claim 1 , in the central cross-section [0; S] of the bottom () claim 1 , the thickness E of the preform () is such that:{'br': None, 'i': E', '≤E≤', 'E, 'sub': 0', '0, '0.70·0.80·'}3171. Preform () according to claim 2 , in which claim 2 , in the central cross-section [0; S] of the bottom () claim 2 , the thickness E of the preform () is such that:{'br': None, 'i': E≅', 'E, 'sub': '0', '0.75·'}4171. Preform () according to claim 3 , in which claim 3 , in the intermediate cross-section [S; S] of the bottom () claim 3 , the thickness E of the preform () is such that:{'br': None, 'i': E≅', 'E, 'sub': '0', '0.70·'}61. Preform () according to claim 5 , in which:{'br': None, 'i': d≅', 'D, '0.35·'}81. Preform () according to claim 7 , in which:{'br': None, 'i': h≅', 'D, '0.05·'}10. Preform according to claim 9 , in which:{'br': None, 'i': 'A≤', '30°≤35°'}11201. Mold () for the forming of a preform () according to claim 1 , which comprises:{'b': 21', '22', '3', '1', '23', '7', '1, 'A mold body () that has a side wall () that bears the impression of an external face of the body () of the preform () and a mold bottom () that bears the impression of an external face of the bottom () of the preform ();'}{'b': 24', '18', '1, 'A core () that bears ...

PREFORM PROVIDED WITH A CONCAVE BODY PORTION

Disclosed is a container perform made from plastic material, including: a body; an open neck that extends from the body from which it is separated by a radially projecting flange; a bottom that closes the body opposite the neck; the body having a concave portion in axial cross section, where: B≤0.9·A 0.5.C≤C′≤0.95.C in which A is the overall diameter of the body, measured below the flange; B is the outer diameter of the bottom, measured at the junction of same with the body; C is the cumulative height of the body and the bottom, measured from the flange; C′ is the height, measured axially, of the concave portion of the body, and the concave portion has, in axial cross-section, on an outer surface, an outer radius of curvature RE such that: 1.5.0≤RE≤10.C 21. Preform () according to claim 1 , wherein:{'br': None, 'i': C≤C′≤', '·C, '0.650.85'}41. Preform () according to claim 3 , wherein:{'br': None, 'i': H≤', '·G, '0.9'}51. Preform () according to claim 3 , wherein:{'br': None, 'i': H≥', '·G, '0.5'}61. Preform () according to claim 5 , wherein:{'br': None, 'i': H≥', '·G, '0.7'}72. Method for manufacturing a container () by blow molding or stretch blow molding claim 5 , which comprises:{'b': '1', 'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the furnishing of a preform () according to ;'}{'b': 3', '1, 'the heating of the body () of the preform () by exposure to a monochromatic or quasi-monochromatic infrared radiation of a predetermined intensity;'}{'b': 2', '1, 'the forming of the container () by injection of a pressurized fluid into the thus heated preform ().'}81202. Method according to claim 7 , further comprising claim 7 , between the heating and the forming claim 7 , the introduction of the preform () into a mold () bearing the impression of the container ().101. Preform () according to claim 4 , wherein:{'br': None, 'i': H≥', '·G, '0.5'}161. Preform () according to claim 9 , wherein:{'br': None, 'i': H≥', '·G, '0.5'} The invention relates to the manufacture ...

Bottles prepared from compositions of polypropylene and inorganic nucleating agents

This invention discloses bottles and pre-forms prepared by injection-stretch-blow-molding (ISBM) from a composition comprising polypropylene and an inorganic non-sorbitol nucleating agent.

Overmolded container having an inner foamed layer

An overmolded preform and a container blow molded from the same are disclosed, wherein the overmolded preform and the overmolded container include an inner foamed layer.

Blow-molded syringe for use with an injector

A syringe for use in pressurized injection of a fluid is provided herein. The syringe includes a syringe barrel comprising a polymeric material having undergone expansion by stretch blow molding and by compression molding of an inner diameter of the barrel with a core member. In certain configurations of the syringe barrel, the stretch blow molding is provided through a nozzle of the syringe. Similarly, according to a further embodiment, a syringe for use in pressurized injection of a fluid is provided. The syringe includes a syringe barrel comprising a polymeric material having undergone expansion by stretch blow molding and by shrinking an inner diameter of the syringe barrel about a core member.

Blow-molded syringe for use with injectors

A syringe for use in the pressurized injection of a fluid. The syringe includes a syringe barrel composed of a polymeric material having undergone expansion via blow molding, and an injection molded attachment mechanism which is integral with the syringe barrel and is located at the proximal end of the syringe barrel. The syringe barrel has a consistent wall thickness and is capable of withstanding pressures of at least 1200 psi. The syringe barrel includes a biaxial stretch sidewall as a result of the blow molding process while the attachment mechanism remains essentially unchanged by the blow molding process. The polymeric material can be, for example, polyethyleneterephthalate, cyclic olefin polymer, polypropylene, polystyrene, polyvinylidene chloride, polyethylene naphthalate and/or nylon.

Preform for blow molded syringe for use with injectors

A syringe for use in a pressurized injection of a fluid includes a syringe barrel including a polymeric material having undergone expansion via blow molding. A preform for blow molding a blow molded syringe is described, the preform including a proximal end having a retention mechanism adapted to connect to the syringe to a powered injector, a distal end having a syringe outlet section, and a barrel section between the retention mechanism and the syringe outlet section, wherein the barrel section is adapted to be blow molded to form a cylindrical wall of a syringe barrel defined between the retention mechanism and the syringe outlet section.

Method and apparatus for the production of an optimized neck contour on preforms

본 발명은, 예비 성형체 상에 최적화된 넥 형상부(9,14)를 제조하는 방법 및 장치에 관한 것이다. 또한, 본 발명은 후속 스트레치 블로우 몰딩에 최적상태의 넥 아래에서 최적화된 형상부(9,14)를 갖는 예비 성형체를 제조하는 장치 및 방법에 관한 것이다. 상기 형상부는 특히 넥 자체보다 현저히 얇은 벽 두께를 갖는다. 상기 예비 성형체는 본 발명에 따라 축 방향 채널이 상기 지점에서 사용되거나 상기 베인이 블로우 몰딩 공정 중에 예비 성형체 상에 얇은 위치들을 형성할 때 블로우 몰딩 공구 내에서만 생성될 수 있다. 예비 성형체상의 얇은 벽 형상은 또한 엠보싱에 의한 포스트 쿨링 동안 주형 외부에서 생성될 수 있다. 이어서, 냉각된 수용 슬리브 내에서 예비 성형체가 제거되고 집중 접촉 냉각에 의해 몸체 내에서 냉각되는 한편, 엠보싱 요소의 초기 위치 때문에 예비 성형체 넥과 가능한 한 냉각 접촉이 이루어지지 않는다. 결과적으로 넥의 재가열로 인해, 이들은 블로우 성형 공정에 유리한 새로운 기하학적 형상으로 기계적으로 변형될 수 있고, 따라서 벽 두께도 영향을 받을 수 있다. 후속 블로우 성형 공정에서, 넥 아래의 얇은 벽 영역을 갖는 예비 성형체는 주로 병 내에 더 잘 분산되는 플라스틱 재료로부터 고품질 병을 구할 수 있고 상당한 재료를 절약할 수 있다는 잇점을 갖는다.

Lightweight plastic container and preform

A plastic preform is provided that includes a hollow body portion including a closed bottom portion, a lower portion extending upwardly from the bottom portion, and a neck portion extending upwardly from the lower portion. The neck portion includes a support flange having an upper and lower surface, a tamper-evident formation, threads, and a dispensing opening positioned at a top of the neck portion. In an embodiment, the weight of the neck portion is 2.3 grams or less; and/or the vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.500 inches or less. Containers and methods for molding preforms and making containers are also disclosed.

Preform, container and method for forming a container

Preform ( 1 ) or preform assembly for blow molding a container ( 23 ), wherein the preform of preform assembly has a neck portion ( 4 ), a lid element ( 16 ) being provided at the neck portion, an opening extending into the neck portion, providing access to an internal space of the preform or preform assembly. Method for blow molding a container. Container blown from a preform or preform assembly.

Mold for blow molding a hot-fill container with increased stretch ratios

A mold for blow molding a container from a preform, the container including a wall portion and a base including a high standing ring and a central outwardly-inclined invertible diaphragm, the mold including sidewalls forming a counter print of the wall portion of the container ( 1 ) and a mold base ( 36 ) having an upper surface ( 37 ) defining a counter print of the container base, wherein the upper surface ( 37 ) includes: an annular peripheral face ( 43 ) corresponding to an annular support flange of the container base; a frusto-conical outer face ( 44 ) corresponding to an inner portion ( 11 ) of the high standing ring, the outer face ( 44 ) protruding upwardly with a draft angle (A 2 ) from an inner edge of the peripheral annular face ( 43 ) up to a sharp apex ( 45 ), and a frusto-conical downwardly inclined inner face ( 46 ) corresponding to the invertible diaphragm.

Variable thickness preform for containers

용기용 프리폼은 제1 두께를 가지는 중공의 실린더형 메인 바디, 상기 제1 두께보다 큰 제2 두께를 가지는 중공의 실린더형 후육부분, 및 곡선형 엔드부분을 포함한다. 상기 메인 바디, 상기 후육부분 및 엔드부분의 내부 표면들은 캐비티를 형성한다. The container preform includes a hollow cylindrical main body having a first thickness, a hollow cylindrical thick portion having a second thickness greater than the first thickness, and a curved end portion. The inner surfaces of the main body, the thick portion and the end portion form a cavity.

Apparatus and method for sealing with a liquid sealant

A device includes a first part having a co-molded first support, valve cover and elastic actuator, and a second part having an injection molded second support, valve seat, and variable-volume storage chamber pre-form. The pre-form is blow molded into a flexible pouch defining the variable-volume storage chamber. The one-way valve includes a semi-annular, curvilinear, relatively rigid valve seat defining axially-extending, opposing first marginal portions, and an axially-extending first mid-portion angularly extending between the opposing first marginal portions. A flexible valve member is superimposed on the valve seat and defines axially-extending, opposing second marginal portions fixedly secured on or adjacent to respective first marginal portions of the valve seat, and an axially-extending second mid-portion angularly extending between the opposing first marginal portions and superimposed onto the first mid-portion of the valve seat. The flexible valve cover and valve seat form a normally closed axially and angularly extending valve seam therebetween.

Preforms for flair applications

A preform can be made from two different materials that do not bond together by a bi-injection process, using the same mold. First an outer preform can be fashioned, then an inner preform molded through a center hole in the bottom of the outer preform, and the preforms connected. Inner/outer preform materials can be different, e.g., PET/polyolefin or polyamide, or same, e.g., PET/PET. To prevent mutual bonding during molding of the second, a non-stick coating can be sprayed on a surface portion of the first preform prior to molding the second. Manufacturing order can be either outer/inner, or inner/outer, and the non-stick coating sprayed on the inside/outside of the preform first molded.

Integral two layer preform, process and apparatus for the production thereof, process for producing a blow-moulded bag-in-container, and bag-in-container thus produced

The invention is an integral two-layer preform ( 1 ) for the production of integrally blow-moulded bag-in-containers ( 2 ). The preform has an inner layer ( 11 ) and an outer layer ( 12 ), wherein the preform forms a two layer container upon blow-moulding, and wherein the thus obtained inner layer of the container releases from the thus obtained outer layer upon introduction of a gas at a point of interface of the two layers. The melting temperature of the inner layer is greater than or equal to the melting temperature of the outer layer.

Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it

The present invention relates to an integrally blow-molded bag-in-container ( 2 ) having an integrally blow-molded bag-in-container wherein the same polymer is in contact on either side of the interface between the inner ( 11 ) and outer layers ( 12 ). It also concerns a preform ( 1, 1 ′) for blow-molding a bag-in-container, having an inner layer and an outer layer, wherein the preform forms a two-layer container upon blow-molding, and wherein the thus obtained inner layer of the container releases from the thus obtained outer layer upon introduction of a gas at a point of interface between the two layers. The inner and outer layers are of the same material.

Pressurized plural nested preform assembly and method of manufacture

A plural preform assembly having nested preforms with an inner preform and an outer preform. The preforms are sealably joined together, defining a volume between the preforms. Propellant is disposed in the volume between the preforms. The preforms are later blow molded to provide a bag in bottle, bottle in bottle or similar container. The propellant charge is already present when blow molded, preventing the need for a later propellant filling step.

Blow molding method and apparatus for forming squeezable plastic container

A blow-molding method for forming a squeezable or tubular plastic container is provided. The method includes molding a preform having a sidewall, an interior cavity, an open end, a closed end, and a neck adjacent the closed end of the preform. The neck of the preform has an engagement structure. The method includes providing a blow mold system including a blow mold cavity. The method includes placing at least a portion of the preform into the blow mold cavity, and blow molding a one-piece container body from the preform by inflating the preform within the blow mold cavity. The container body has an open end, a closed end and a neck adjacent to the closed end. Wherein the open end of the container body is formed from the open end of the preform, and the closed end of the container body is formed from the closed end of the preform. The method includes creating a dispensing opening through the closed end of the container body.

Composite container, inner label and plastic member

A composite preform including a preform and a plastic member in close contact with the outer surface of the preform is made by preparing the preform made of plastic material and arranging the plastic member to surround the outer surface of the preform. Subsequently, the composite preform is heated and inserted in a blow molding die and undergoes blow molding in the blow molding die, by which the preform and the plastic member of the composite preform are inflated integrally and a composite container is obtained.

Preform for producing plastic containers in a stretch-blow-moulding process

A preform is disclosed for the production of plastic containers, for example plastic bottles, in a stretch-blow-molding method. The preform can include an elongated preform body having a closed longitudinal end and which connects on an opposite longitudinal end to a neck section having a pour opening, the neck section having an outside wall with a fastening means. A rotating flange at a transition from the preform body to the neck section, wherein at least a portion of the rotating flange is annular and radially extends above an outside wall of the preform body. A peripheral annular groove can extend obliquely from a base of the annular groove to the outside wall of the neck section forming a circumferential inner collar, and wherein the inner collar the direction of the preform body, extends axially above the annular groove and extends into an inside wall of the preform body.

Synthetic resin bottle having a gradation pattern, and process for injection molding the preform for use in such a bottle

The technical problem to be solved is to change the thickness of the colored resin layer of the preform gradually in the upward or downward direction, by utilizing a tendency of gradual decrease in the thickness of the colored resin layer caused by the flow of the main resin inside the preform mold when the main resin and the colored resin are injected into the mold. This involves adjusting the injection pattern including the time of starting and ending the supply of the main resin and the colored resin, and pressure or velocity profiles, reducing the thickness of the colored resin layer gradually upstream or downstream, injection-molding the preform in which a color-gradated portion associated with the thickness of the colored resin layer has been formed, and biaxially drawing and blow molding this preform into a bottle having a color-gradated portion.

Receiving system

A system and method for post-treatment of a hollow body molding produced in an injection molding mold. A receiving finger is provided with a first end and a second end. The receiving finger is designed that it can engage into the hollow body molding. The outside shape of the receiving finger substantially corresponds to inside shape of the hollow body molding so that the receiving finger ( 5 ) can hold the hollow body molding. Preferably, the outside diameter of the receiving finger is substantially equal to inside diameter of the hollow body molding in a cooled condition so that the hollow body molding can be removed from the receiving finger even after shrinkage. Desirably, the outside diameter of the receiving finger is between about 0.01 mm and about 1 mm and preferably about 0.1 to about 0.5 mm smaller than the inside diameter of the hollow body preform in the removal condition so that the hollow body molding can be removed from the receiving finger even after shrinkage. An apparatus is desirably provided for at least one of cooling and heating the hollow body molding so that the hollow body molding can be selectively cooled or heated by means of the system.

Perform extended finish for processing light weight ecologically beneficial bottles

Disclosed are preforms which incorporate improvements in the region of the neck and upper segment of the body to allow the production of lightweight containers, such as bottles suitable for containing water or other beverages. In accordance with certain embodiments, the improvements include a thinner neck finish area than conventional bottles, where the thinner area is extended into the upper segment of the body portion below the support ring. Reducing the thickness in these areas of the bottle allows for less resin to be used in forming the preform and bottle.

Mold stack for a preform

There is provided a molding stack assembly ( 202 ) for producing a molded article ( 214 ), the molded article ( 214 ) including a neck finish ( 218 ) which includes a support ledge ( 222 ), the molded article ( 214 ) suitable for subsequent blow-molding into a final shaped container. The molding stack assembly ( 202 ) comprises a core insert ( 204 ), a lock ring ( 206 ), a split mold insert ( 208 ), a cavity flange ( 209 ) and a cavity insert ( 210 ) for jointly defining, in use, a molding cavity ( 212 ) for forming the molded article ( 214 ), the split mold insert ( 208 ) and the cavity flange ( 209 ) defining a split line ( 226 ) therebetween, the split line ( 226 ) being defined substantially along a portion of the support ledge ( 222 ); a biasing member ( 230 ) disposed, in use, between the cavity flange ( 209 ) and the cavity insert ( 210 ), the biasing member ( 230 ) being configured to: (a) under applied clamp force, to allow the cavity flange ( 209 ) to abut the cavity insert ( 210 ); and (b) during initial stages of the mold operation to bias the cavity flange ( 209 ) away from the cavity insert ( 210 ).

Blow Molding Method and Apparatus for Forming Squeezable Plastic Container

A blow mold system including a mold body and a base portion. The mold body includes a central bore extending from a first end of the mold body to a second end of the mold body along a longitudinal axis. The first end is configured to receive a mold preform. The base portion includes a recess, and the base portion is arranged at the second end of the mold body such that the central bore and recess define a blow mold cavity in which a container may be formed from the mold preform. In embodiments, the blow mold system has at least two interchangeable base portions that allow for containers with differently-sized or differently-shaped necks to be formed.

Lightweight plastic container and preform

A plastic container is provided that includes a hollow body portion including a lower supporting base portion; a sidewall portion extending upwardly from the base portion; and a neck portion extending upwardly from the sidewall portion. The neck portion includes a support flange having an upper and lower surface, a tamper-evident formation, and a dispensing opening at the top of the neck portion. In an embodiment, the dispensing opening has an inner diameter that is at least 22 mm, and the vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.580 inches or less. A preform and method for making a container are also disclosed.

Method of making article with visual effect

Method of making a blow molded article from a preform including: a) providing a preform of a thermoplastic material having a plurality of effect structures each having an effect surface having a normal with an orientation, the preform having a body with one or more walls and an opening, wherein at least a portion of the one or more walls of the preform has a three-dimensional pattern of cavities and/or protrusions thereon; and b) blow molding the preform to form a blow molded article, wherein the step of blow molding the preform changes the orientation of the normal of at least some of the effect surfaces of the effect structures to create a visual effect in at least one wall of the blow molded article.

Method for forming a container from a preform having a coiled handle attached at two attachment points

A method of forming a container from bi-axially orientable plastics material and having an integral handle with the steps of forming a preform having a neck portion and an expandable portion below the neck portion, with the neck portion including a locating ring above the expandable portion and a handle molded to the non expandable at one end and molded to the expandle portion at the other end. Where the molded-in handle is the approximate length of the handle of the finished container. The unblown preform of orientable plastics is inserted into a blow molder and thereafter stretched by a stretch rod. During the stretch process the handle on the preform unbends rather than stretching to form the approximate shape of the handle in the finished container. The blow mold then closes on the stretched preform thus capturing the handle. Blow gas is then injected into the interior.

에어로졸 분배기를 위한 구성요소 및 그것으로 제조되는 에어로졸 분배기

에어로졸 분배기와 같은 가압가능 용기, 그것으로 제조되는 에어로졸 분배기(20) 및 그를 위한 예비 성형체에 사용가능한 가압 용기가 개시된다. 예비 성형체/용기/분배기는 상측에 목부를 갖는다. 목부는 상부 및 하부 부분들을 갖는다. 하부 부분은 외향으로 플레어되는 견부로 전이된다. 견부는, 이어서, 측벽으로 전이된다. 하부 목부 부분/견부 및/또는 측벽의 상부 부분이 결정화된다. 본 발명은 또한 그러한 가압가능 용기를 제조하기 위한 예비 성형체 및 그것으로 제조되는 에어로졸 분배기를 포함한다.

Method for the fabrication of a preform, preform and container

A method for fabricating a preform ( 100 ) by providing a plurality of preform segments ( 101 - 103 ) which each define a portion of a preform ( 100 ), positioning said preform segments ( 101 - 103 ) in continuous contact with each other along at least one edge of said preform segments ( 101 - 103 ) such that said plurality of preform segments ( 101 - 103 ) define a cavity ( 107 ), and bonding each of said preform segments ( 101 - 103 ) to at least one other preform segment such that said plurality of preform segments ( 101 - 103 ) forms a continuous whole.

Method for producing a multilayered preform and a preform

The invention relates to a multi-component injection molding method for producing a sleeve-shaped preform as well as to a perform which has at least two layers, said method comprising at least two process steps including at least two cavities and at least one injection mold core that can be used for both cavities, and wherein during the first process step, the first layer which has at least one first and at least one second area extending partially in the circumferential direction of the preform, is injected onto the injection mold core within the first cavity, with the second area having a substantially lower layer thickness than the first area, and during the second process step, the second layer is deposited on the first layer which is located on the injection mold core in the second cavity in such a way that only the second area of the first layer is completely covered by the second layer, or during the first process step, the first area of the first layer is deposited partially on the injection mold core within the first cavity, with the remaining areas being covered by the second layer during a second process step within a second cavity.

Tooling and process for injection stretch blow molded container with integral handle

Injection stretch blow molding tooling for forming at least one parison and at least one stretch blown article having an integral handle. The tooling includes at least one cavity block, a body mold supported within the cavity block, a handle mold supported within the cavity block, and a thread split assembly positioned adjacent to said cavity block. The thread split assembly includes first and second thread split halves shiftable between an open position and a closed position. As such, the body mold, the handle mold, and the thread split assembly cooperatively define a parison-forming cavity, with such parison-forming cavity including a body cavity for forming a body of the parison and a handle cavity for forming a handle of the parison.

Integrally blow-moulded bag-in-container having interface vents opening to the atmosphere at location adjacent to bag's mouth, preform for making it; and processes for producing the preform and bag-in-container

The invention is an integrally blow-moulded bag-in-container and preform for making it. The bag-in-container has an inner layer forming the bag and an outer layer forming the container, and a mouth fluidly connecting the volume defined by the bag to the atmosphere. The container further has at least one interface vent fluidly connecting the interface between inner and outer layers to the atmosphere, wherein the at least one vent runs parallel to the interface between inner and outer layers and opens to the atmosphere at a location adjacent to, and oriented coaxially with the bag-in-container's mouth. Processes for manufacturing a preform and a bag-in-container as defined above are defined too.

Plural blow molding with servo controls

A system for forming a container from a preform includes a first mold having a plurality of first portions that cooperate to define a first internal surface against which the preform is blown for forming a first form. The system also includes a second mold having a plurality of second portions that cooperate to define a second internal surface against which the first form is blown for forming a second form. Also, the system includes a mold servo motor that actuates the plurality of first portions relative to each other and/or actuates the plurality of second portions relative to each other. Furthermore, the system includes a controller that controls the mold servo motor for controlled actuation of the plurality of first portions and/or the plurality of second portions.

Gas barrier enhancing additives and methods

Polyesters compositions comprising gas barrier enhancing additives and containers comprising such polyester compositions are provided herein. Also provided are methods for preparing polyester containers comprising said gas barrier enhancing additives. The polyester containers of the present invention exhibit decreased permeability to gases thereby providing improved shelf-life.

Components for aerosol dispenser and aerosol dispenser made therewith

A pressurized container usable for a pressurizable contain, such as an aerosol dispenser, an aerosol dispenser made therewith and preform therefor. The preform/container/dispenser has a neck at the top. The neck has upper and lower portions. The lower portion transitions into a shoulder, which flares outwardly. The shoulder, in turn, transitions into a sidewall. The lower neck portion/shoulder and/or upper part of the sidewall are cystallized. The invention also comprises a preform for making such a pressurizable container and an aerosol dispenser made therewith.

Method of stabilizing a plastic aerosol container

A plastic aerosol container includes a main body portion that is constructed and arranged to withstand aerosol pressurization within a range that is about 50-300 psig. The plastic aerosol container also includes a finish portion that is unitary with the main body portion. The finish portion may be threaded or unthreaded. The finish portion has a side wall, an upper sealing surface, at least one helical thread and a support ledge beneath the helical thread. Reinforcement structure is positioned beneath the support ledge for reinforcing the finish portion against deformation due to the pressurization. A method of stabilizing a plastic aerosol container is also disclosed.

Preforms for blow moulding

A preform for blow moulding to form a container, the preform being formed of a thermoplastic material, the preform comprising a neck finish at an open end of the preform, an elongate body section and a closed end, wherein the body section has elongate, longitudinally extending inner and outer surfaces each centered about a longitudinal axis of the preform, the inner and outer surfaces defining therebetween a wall of the body section, wherein the wall of the body section has at least one locally thickened portion along the body section, the locally thickened portion being thicker than adjacent first and second thinner portions at respective opposite longitudinal ends of the thickened portion, the thickened portion having an inner surface portion which is nearer to the longitudinal axis than respective first and second inner surface portions of the first and second thinner portions.

Preform and container comprising reinforcing elements

The present invention relates to a plastic preform ( 200 ) for a container ( 300 ) comprising at least one elongate reinforcing element ( 210 ), and obtained by injection-molding. The present invention further relates to a container ( 300 ) blow-molded from such a preform ( 200 ), and comprising at least one reinforcing element ( 320 ), and having a continuous and smooth outer surface ( 310 b ).

Synthetic resin bottle

A technical problem is to fully make up for a restricted upper limit to the preform body wall thickness. An object is to provide a bottle which is narrow-mouthed and yet has a substantially expanded body. In principle, the bottle may include a mouth opening portion with a bore diameter of 10 mm or less and a maximum diameter of the body is 2.5 times or more than the bore diameter of the mouth opening portion, and wherein a maximum diameter portion of the body has a minimum wall thickness of 0.45 mm or more.

Integrally blow-moulded bag-in-container comprising an inner layer and an outer layer comprising energyabsorbing additives, preform for making it and process for producing it

The present invention relates to an integrally blow-moulded bag-in-container ( 2 ) and preform( 1, 1′ ) for blow-moulding the bag-in-container. An inner layer ( 11 ) and an outer layer ( 12 ) are used, wherein the preform forms a two-layer container upon blow-moulding, and wherein the obtained inner layer of said container releases from the thus obtained outer layer upon introduction of a gas at a point of interface ( 14 ) between the two layers. At least one of the inner and outer layers includes at least one additive allowing both inner and outer layers to reach their respective blow-moulding temperatures substantially simultaneously.

Plural blow utilization of counter stretch rod and/or base pushup

A molding system for molding a container includes a first blow mold operable for blow molding a first form of the container and a second blow mold operable for blow molding a second form of the container. The system further includes a counter stretch rod and/or a base pushup operable for reducing a height of the first form of the container before blow molding the second form of the container. A corresponding method of forming a container is also disclosed.

Preform for a plastic container, and the preform holder

The invention concerns a preform for a plastic container in the form of a can intended particularly for pressurized beverages, and the preform holder in the container manufacturing process. The preform ( 10 ) consists of a body ( 1 ) with a neck ( 3 ) ended with a thin outer flange ( 4 ). A supporting flange ( 6 ) is formed on the inner wall of the neck ( 3 a ), while the outer surface of the neck ( 3 b ) is even. The preform holder comprises a body ( 11 ) provided with pockets ( 13 ). The pockets seat mobile-anchored clasps ( 14 ) which are clamped on the body ( 11 ) with an elastic clamping ring ( 15 ). The clasps ( 14 ) each ends with a tooth ( 16 ) which extends over the seat ( 17 ) where the thin outer flange ( 4 ) of the preform ( 10 ) rests. The inner side wall of the seat ( 17 ) has a groove ( 19 ) carved in it to accommodate the supporting flange ( 6 ) of the preform ( 10 ).

Integrally blow-moulded bag-in-container having an inner layer and the outer layer made of the same material and preform for making it

The present invention relates to an integrally blow-molded bag-in-container ( 2 ) having an integrally blow-molded bag-in-container wherein the same polymer is in contact on either side of the interface between the inner ( 11 ) and outer layers ( 12 ). It also concerns a preform ( 1, 1 ′) for blow-molding a bag-in-container, having an inner layer and an outer layer, wherein the preform forms a two-layer container upon blow-molding, and wherein the thus obtained inner layer of the container releases from the thus obtained outer layer upon introduction of a gas at a point of interface between the two layers. The inner and outer layers are of the same material.

Preform container having a coiled handle attached at two attachment points

A method of forming a container from bi-axially orientable plastics material and having an integral handle with the steps of forming a preform having a neck portion and an expandable portion below the neck portion, with the neck portion including a locating ring above the expandable portion and a handle molded to the non expandable at one end and molded to the expandle portion at the other end. Where the molded-in handle is the approximate length of the handle of the finished container. The unblown preform of orientable plastics is inserted into a blow molder and thereafter stretched by a stretch rod. During the stretch process the handle on the preform unbends rather than stretching to form the approximate shape of the handle in the finished container. The blow mold then closes on the stretched preform thus capturing the handle. Blow gas is then injected into the interior.

Plastic preform

A preform ( 1 ) of plastic material for manufacturing bottles through a blow-moulding process includes a substantially cylindrical central body ( 3 ) having an open end ( 2 ) and a closed end ( 4 ). In correspondence of the central area of the closed end ( 4 ) there is provided a hollow appendix ( 5 ), projecting outwards of the preform, capable of internally housing the tip end of a stretching rod of the preform ( 1 ). Both the hollow appendix ( 5 ) and the remaining side portion of the closed end ( 4 ) of the preform may be spherical, conical, elliptical or parabolic.

Plastic material container

A plastic material container, e.g. a beverage bottle, having a neck which requires the use of a smaller amount of plastic than the bottle necks of the prior art, and which is able to ensure a complete functionality for coupling the cap, ensuring at the same time the possibility of implementing the traditional supporting; sealing and handling operations of the bottle carried out during the various steps of manufacturing the same.