ФУНКЦИОНАЛЬНЫЙ ЗАЩИТНЫЙ МАТЕРИАЛ С МЕМБРАНОЙ, ИМЕЮЩИЙ РЕАКЦИОННО-СПОСОБНОЕ ВНЕШНЕЕ ПОКРЫТИЕ, И ИЗГОТОВЛЕННАЯ ИЗ НЕГО ЗАЩИТНАЯ ОДЕЖДА

... 1. Функциональный защитный материал (1) преимущественно с защитной функцией по отношению к химическим и/или биологическим ядам и/или вредным веществам, таким как боевые средства, ! где указанный функциональный защитный материал (1) включает многослойную конструкцию, причем указанная многослойная конструкция включает: ! листоподобный, более предпочтительно текстильный поддерживающий материал (3) и ! мембрану (2), присоединенную, более предпочтительно приклеенную к указанному поддерживающему материалу (3), ! где указанная мембрана (2) снабжена реакционно-способной добавкой в форме каталитически активного компонента, обладающего реакционной способностью по отношению к химическим и/или биологическим ядам и/или вредным веществам, где каталитически активный компонент включает по меньшей мере два металла из группы, состоящей из меди, серебра, цинка и молибдена и/или их соединений, вместе с триэтилендиамином (TEDA), и/или органической кислотой, и/или солями серной кислоты. ! 2. Функциональный защитный ...

Lamination method for laminating gas-permeable flat products, especially filter media with a particle-shaped substrate, uses a melting adhesive onto the surface of the flat products

A melting adhesive is applied in droplets as an ink jet printing process. The diameter of the adhesive droplets lies between 1 nanoliter and 1,000 microliters, preferably between 100 nanoliters and 100 microliters. The melting adhesive has a softening range from 70[deg] C to 160[deg] C, especially from 90[deg] C to 140[deg] C.

Fiber collecting media strip for a mist eliminator.

Fiber collecting media strip for a mist eliminator

Fiber collecting media strip for a mist eliminator

Fiber collecting media strip for a mist eliminator

WITH WIRKSTOFFHALTIGEN MICRO CAPS SUBJECTING FUNCTIONAL TEXTILE MATERIAL AND ITS USE

FIRE-RETARDANT FILTERING MEDIUM AND AIR CLEANER UNIT

FILTERING MEDIUM

Filter medium

ADSORPTIVE FILTERING MATERIAL HAVING BIOLOGICAL AND CHEMICAL PROTECTIVE FUNCTION AND USE THEREOF

The invention relates to an adsorptive filtering material with biological and chemical protective function, in particular with protective function with regard to both chemical and biological poisons and noxiants, such as chemical and bio- logical warfare agents, the adsorptive filtering material having a multilayered construction comprising a first outer supporting layer and a second outer sup- porting layer and an adsorptive layer disposed between the two supporting lay- ers, the adsorptive filtering material further comprising at least one catalytically active component, the first outer supporting layer and/or the second outer sup- porting layer being provided with the catalytically active component. The ad- sorptive filtering material is particularly useful in NBC protective materials (for example NBC protective apparel) and also for production of filters.

ВОЛОКОННАЯ ЛЕНТА СОБИРАЮЩЕГО СРЕДСТВА ДЛЯ ТУМАНОУЛОВИТЕЛЯ

FIELD: process engineering. ^ SUBSTANCE: proposed fog catcher comprises fiber optic layer made up of multi-layer tape comprising accumulating layer that can not be pierced by needle. Said fiber optic layer can be very thin, yet with high efficiency of removing minor aerosol particles from gas flow flowing through fiber optic layer. Accumulating fiber optic tape is adapted for use in fog catcher by wrapping the element in fog catcher along spiral. Aforesaid tape can be arranged overlapped for sealing at points whereat fiber optic element is overlapped. ^ EFFECT: fiver optic layer accumulating tape can be supplied in various versions for producing fog catcher fiber optic layer. ^ 60 cl, 16 dwg, 3 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 376 056 (13) C2 (51) МПК B01D 46/24 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007130082/12, 05.01.2006 (24) Дата начала отсчета срока действия патента: 05.01.2006 (73) Патентообладатель(и): МЕКС, ИНК. (US) (43) Дата публикации заявки: 20.02.2009 2 3 7 6 0 5 6 (45) Опубликовано: 20.12.2009 Бюл. № 35 (56) Список документов, цитированных в отчете о поиске: US 3093469 А, 11.06.1963. US 2004/0004110 A1, 08.01.2004. US 2569367 A, 25.09.1951. SU 1247059 A1, 30.07.1986. 2 3 7 6 0 5 6 R U (86) Заявка PCT: US 2006/000482 (05.01.2006) C 2 C 2 (85) Дата перевода заявки PCT на национальную фазу: 07.08.2007 (87) Публикация PCT: WO 2006/074383 (13.07.2006) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. С.А.Дорофееву, рег.№ 146 (54) ВОЛОКОННАЯ ЛЕНТА СОБИРАЮЩЕГО СРЕДСТВА ДЛЯ ТУМАНОУЛОВИТЕЛЯ (57) Реферат: Туманоуловитель содержит волоконный слой, который образован из многослойной ленты собирающего средства волоконного слоя, включающей собирающий слой, который не прокалывается иглой. Волоконный слой может быть выполнен очень тонким, при этом сохраняя высокую эффективность ...

Functional textile material comprises textile support, to which microcapsules containing active materials are glued

Functional textile material comprises a textile support (2), to which microcapsules (3) containing active materials are glued. Independent claims are included for: (1) protective clothing, gloves, shoes, socks, head coverings and sleeping bags, for civil and military use, especially in the nuclear, biological and chemical areas, which contain the textiles; and (2) filters for removing harmful materials, odors and poisons from air or gases, e.g. masks for use in the nuclear, biological and chemical areas, air filters for rooms and for use in medicine, which are produced using the textiles.

FILTER ELEMENT

... 1,271,867. Filter element. A.M.F. Inc. 2 Oct., 1969 [4 Oct., 1968], No. 48452/69. Heading B1D. A filter element comprises a porous cylindrical core portion, the outer periphery of which is provided with a plurality of layers of filter media each outward consecutive layer being coarser than the adjacent inner layer, each layer being formed of a plurality of turns in spiral form from a continuous sheet of filter medium. The core may comprise a cylinder made of plastic, plastic reinforced fibre mesh, or a porous metallic cylinder. The filter media may comprise unwoven cloth, filter cloth, filter paper, foam sheet or wire net. Relative mesh sizes are exemplified.

FUNCTIONAL PROTECTION MATERIAL WITH REACTIVELY EQUIPPED DIAPHRAGM AND HEREBY MANUFACTURED PROTECTIVE CLOTHING

Filter bag for a vacuum cleaner and method for identifying an area of a vacuum cleaner bag directly subjected to flow

The invention relates to a filter bag for a vacuum cleaner which is formed from a filter material which comprises at least three filter material layers. At least one layer of the filter material layers is a scrim and at least one layer is a fiber fleece layer, which comprises unconnected pile fibers and/or unconnected filaments.

ELECTROSTATIC FIBROUS FILTER WEB

There is provided a nonwoven electret fiber filter formed with a nonwoven web of electret fibers needle-punched to an open scrim support. The scrim support material has individual discrete open areas with an average cross-sectional area as viewed from the plane of the filter media of at least 0.25 mm2, preferably 1.0 mm2, and a pressure drop across the scrim support, without the filter web, of less than 1.5 mm H2O measured at 98.4 meters/min gaseous face velocity. The resulting filter has enhanced lifetimes, a low pressure drop and high filtration efficiencies.

FILTER ELEMENT

ВОЛОКОННАЯ ЛЕНТА СОБИРАЮЩЕГО СРЕДСТВА ДЛЯ ТУМАНОУЛОВИТЕЛЯ

... 1. Узел волоконного слоя для туманоуловителя с волоконным слоем, используемого для удаления аэрозолей и/или увлажненных растворимых твердых частиц из движущегося потока газа, содержащий опору для волоконного слоя, имеющую стенку, образующую пространство вверх по потоку и пространство вниз по потоку, причем стенка содержит отверстия для свободного прохождения потока газа через стенку из пространства вверх по потоку в пространство вниз по потоку, волоконный слой, поддерживаемый опорой для волоконного слоя и обычно закрывающий отверстия в стенке, чтобы поток газа проходил через волоконный слой, перемещаясь из пространства вверх по потоку в пространство вниз по потоку, причем волоконный слой содержит многослойную ленту собирающего средства волоконного слоя, включающую наружный слой, содержащий мат из волокон, образованных для обеспечения структурной целостности многослойной ленты собирающего средства волоконного слоя, внутренний слой, содержащий мат из волокон, образованных для обеспечения ...

Feinfiltermatte mit Gewirk-Zwischenlage für Farbspritzkabinen und andere Reinräume

Vorrichtung zum Feinfiltern von Luft für Reinräume bzw. Farbspritzkabinen, enthaltend an sich bekannte, aus geschichteten Fasern bestehende Feinfiltermatten, die an der Decke des Reinraumes bzw. der Farbspritzkabine in bekannter Weise angeordnet sind, in bevorzugt senkrechter Strömungsrichtung von der zu filternden Luft durchströmt werden und von Stützgittern gegen den vom Durchströmwiderstand verursachten Differenzdruck abgestützt bzw. getragen werden, dadurch gekennzeichnet, dass auf der Reingasseite bzw. Unterseite der Matten ein vorzugsweise aus monofilen Kunststoff-Fäden bestehendes, maschenförmig gestricktes, schwingungsdämpfendes Gewirk an sich bekannter Form dergestalt angebracht ist, dass das Gewirk zusammen mit dem Hauptbestandteil, der Filtermatte, auf dem Stützgitter aufliegt.

Porous components mfr. by thermal spray coating apertures of mesh

Mfg. process for porous components, whereby a mesh-like metallic body with apertures larger than required for the specific application is thermal spray coated with a suitable material to reduce the apertures to the required size. The metallic body is formed to its final shape and connecting parts are attached prior to spraying. A number of uses for such porous components are also claimed.

Mehrschichtenfilter aus Polymer und Glasfasern

TEXTILE MATERIAL, SUBJECTS ABSTENTION MICRO CAPS, AND ITS USE WITH ACTIVE SUBSTANCES WITH PHYSIOLOGICAL AND/OR TECHNICAL EFFECT

TEXTILE COMPOSITE MATERIAL COMPRISING ACTIVATED CARBON FIBRES AND PRODUCTION THEREOF

The present invention relates to a textile sheetlike structure (1), in particular for protection against biological and chemical noxiants and poisons, such as biological and chemical warfare agents, said sheetlike structure (1) having a textile support layer (2) and a first sheetlike piece (3) of activated carbon fibres which is laminated onto the support layer (2), wherein the sheetlike structure (1) further comprises a second sheetlike piece (4) of activated carbon fibres which is laminated onto the support layer (2) such that edges of the two sheetlike pieces (3, 4) touch and/or overlap and wherein the two sheetlike pieces (3, 4) are joined together by the support layer (2). This provides a seamless joining together of two or more sheetlike pieces of activated carbon fibres to form a broadened, continuous sheetlike structure of activated carbon fibres to provide improved making-up utilization of the resulting material in the production of protective materials (such as for example protective ...

SORPTIVE TEXTILE COMPOSITE

... ²²²The invention relates to a sorptive textile composite comprising an air-²permeable support for adsorber particles that, on one side, is provided with ²an air-permeable lining having an adhesive layer. The support is a nonwoven, ²into which loose adsorber particles are introduced, and the nonwoven, at least ²on one side, is lined with an air-permeable nonwoven.² ...

ADSORPTIVE FILTERING MATERIAL HAVING BIOLOGICAL AND CHEMICAL PROTECTIVE FUNCTION BY CATALYST ACTIVITY INGREDIENT FORMED ON SUPPORT LAYER OR PART OF SUPPORT LAYERS, AND USE THEREOF

PURPOSE: An adsorptive filtering material and a use thereof are provided to improve biological and chemical functions of the material with multi-layered structure by forming a catalyst activity ingredient on a support layer or a part of the support layers. CONSTITUTION: The adsorptive filtering material includes a multi-layered structure(2) comprising a first outside support layer(3), a second outside support layer(4), and an adsorptive layer(5) arranged between the two support layers. The adsorptive filtering material further includes at least one catalyst activity ingredient. The catalyst activity ingredient is formed on at least one of the first support layer and the second support layer. © KIPO 2007 ...

СОРБЦИОННЫЙ ТЕКСТИЛЬНЫЙ НЕТКАНЫЙ МАТЕРИАЛ

1. Сорбционный текстильный нетканый материал, имеющий воздухопроницаемый носитель частиц адсорбента, дублированный по меньшей мере с одной стороны воздухопроницаемым слоем материала с клеевым слоем, отличающийся тем, что носитель представляет собой волокнистый нетканый материал, в объеме которого находятся в незакрепленном состоянии частицы адсорбента и который по меньшей мере с одной стороны дублирован воздухопроницаемым нетканым материалом.2. Текстильный нетканый материал по п.1, отличающийся тем, что волокнистый нетканый материал представляет собой ворсовый волокнистый нетканый материал.3. Текстильный нетканый материал по п.2, отличающийся наличием ворсового волокнистого нетканого материала с односторонней волокнистой ворсовой поверхностью.4. Текстильный нетканый материал по п.2, отличающийся тем, что ворс выполнен в виде замкнутых или разрезанных петель.5. Текстильный нетканый материал по п.2, отличающийся тем, что удельная масса ворсового волокнистого нетканого материала составляет от 90 до 120 г/м.6. Текстильный нетканый материал по п.1, отличающийся тем, что клеевой слой нанесен точками на нетканый материал, которым дублирован волокнистый нетканый материал.7. Текстильный нетканый материал по п.1, отличающийся тем, что нетканый материал, которым дублирован волокнистый нетканый материал, выполнен из смеси полиамидных и полиэфирных волокон.8. Текстильный нетканый материал по п.1, отличающийся тем, что удельная масса нетканого материала, которым дублирован волокнистый нетканый материал, составляет от 20 до 40 г/м.9. Текстильный нетканый материал по п.1, отличающийся тем, что частицы адсорбента представляют с

Feinfiltermatte mit Schaumstoffunterlage für Spritzkabinen und andere Reinräume

Vorrichtung zum Feinfiltern von Luft für Farbspritzkabinen bzw. Reinräume, enthaltend an sich bekannte, aus geschichteten Fasern bestehende Feinfiltermatten, die an der Decke des Reinraumes bzw. der Farbspritzkabine in bekannter Weise angeordnet sind, in bevorzugt senkrechter Strömungsrichtung von der zu filternden Luft durchströmt werden und von Stützgittern gegen den vom Durchströmwiderstand verursachten Differenzdruck abgestützt bzw. getragen werden, dadurch gekennzeichnet, dass auf der Reingasseite bzw. Unterseite der Filtermatten eine vorzugsweise aus offenporigem Kunststoff-Schaum bestehende schwingungsdämpfende Unterlage in Form einer Matte sich über die gesamte Unterfläche erstreckend dergestalt angebracht ist, dass der Schaumstoff unter der Filtermatte, diese tragend, auf dem Stützgitter aufliegt.

ADSORPTION FILTER MATERIAL WITH BIOLOGICAL AND CHEMICAL PROTECTIVE FUNCTION AND ITS USE

FILTER MAT, IN PARTICULAR FOR KUECHENDUNSTHAUBEN U.DGL. AND PROCEDURE FOR YOUR PRODUCTION.

DRAINING MAT WITH HIGH CONSTANT PRESSURE

ABSTRACT A draining mat having high compressive strength and consisting of two non woven fabrics with granules arranged stationarily therebetween. The granules are arranged in a single layer and are spaced from one another at a distance equal to at least 50% of the average grain size. One of the two fabrics is basically a filter bed, while the second fabric may be a filter bed or a dense web. A three dimensional mat, with positioning locations for the granules may also be arranged between the two fabrics. This draining mat is suitable for the production of dump bottoms.

FILTER FOR AIR INTAKE OF AN AUTOMOBILE

The air intake of a conventional automobile which is mounted in front of the windshield under the air intake cover at the rear of the hood is modified by the introduction into the duct of the air intake of a filtration pillow. The pillow is formed from a plurality of separate layers of filtration material including impregnated or particulate absorption material. The filter body is held in place either against a supporting grid or within a tray and held in place by hook type buttons adhesively attached to the grid or tray.

FILTER MEDIA COMPRISING A POLYETHERSULFONE-BASED FINE FIBER LAYER

СОРБЦИОННЫЙ ТЕКСТИЛЬНЫЙ НЕТКАНЫЙ МАТЕРИАЛ

FIELD: chemistry. SUBSTANCE: non-woven textile is proposed, having air-permeable adsorbent carrier particles, duplicated on at least one side by air-permeable layer of material with an adhesive layer, and which is non-woven fibre material with specific mass ranging from 90 to 120 g/m 2 . Specific mass of non-woven material which is duplicated by the fibre non-woven material ranges from 20 to 40 g/m 2 , and dimensions of the adsorbent range from 0.3 to 1.0 mm. EFFECT: invention widens the range of high-efficiency sorption-filtering materials. 13 cl

ФУНКЦИОНАЛЬНЫЙ ЗАЩИТНЫЙ МАТЕРИАЛ С МЕМБРАНОЙ, ИМЕЮЩЕЙ РЕАКЦИОННОСПОСОБНОЕ ВНЕШНЕЕ ПОКРЫТИЕ, И ИЗГОТОВЛЕННАЯ ИЗ НЕГО ЗАЩИТНАЯ ОДЕЖДА

FIELD: fire-prevention facilities. SUBSTANCE: invention relates to a protective material, mainly with a function of protection against chemical and/or biological poisons and/or hazardous substances, such as armaments. The functional protective material includes a multilayer structure. The multilayer structure includes a sheet-like, more preferably textile supporting material and a membrane. The membrane is attached, more preferably glued to the supporting material and is equipped with a reactive additive in the form of a catalytically active component, having reaction capacity relative to chemical and/or biological poisons and/or hazardous substances. A catalytically active component includes at least two metals from a group comprising copper, silver, zinc and molybdenum and/or their compounds, together with triethylenediamine (TEDA) and/or an organic acid, and/or salts of sulfuric acid. EFFECT: improved protective characteristics of material against hazardous substances. 10 cl, 1 dwg, 4 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 445 140 (13) C1 (51) МПК A62D 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010132646/05, 03.11.2008 (24) Дата начала отсчета срока действия патента: 03.11.2008 (72) Автор(ы): ФОН БЛЮХЕР Хассо (DE), БЕРИНГЕР Бертрам (DE) (73) Патентообладатель(и): БЛЮХЕР ГМБХ (DE) R U Приоритет(ы): (30) Конвенционный приоритет: 04.01.2008 DE 102008003253.0 06.03.2008 DE 102008012937.2 (45) Опубликовано: 20.03.2012 Бюл. № 8 2 4 4 5 1 4 0 (56) Список документов, цитированных в отчете о поиске: CA 2583251 A1, 13.04.2006. US 5130159 A, 14.07.1992. RU 2004113984 A, 27.10.2005. RU 2057560 C1, 10.04.1996. RU 2005125580 A, 20.02.2007. US 2003021903 A1, 30.01.2003. 2 4 4 5 1 4 0 R U (86) Заявка PCT: EP 2008/009244 (03.11.2008) C 1 C 1 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.08.2010 (87) Публикация заявки РСТ: WO 2009/086858 (16.07.2009) Адрес для переписки: ...

Adsorptionsfiltermaterial mit biologischer und chemischer Schutzfunktion und seine Verwendung

HIGHLY POROUS POLYVINYLIDENE DIFLUORIDE MEMBRANES

The present invention relates to the field synthetic polymeric membrane materials formed from casting polyvinylidene difluoride (PVDF) polymer solutions and/or dispersions. Membranes formed in accordance with the present invention are all highly porous. Both internally isotropic membranes and highly asymmetric PVDF membranes are disclosed. Membranes of the invention may be hydrophobic or hydrophilic. The membranes of the invention are useful in a variety of microfiltration and ultrathin applications.

ELECTROSTATIC FIBROUS FILTER WEB

There is provided a nonwoven electret fiber filter formed with a nonwoven we b of electret fibers needle-punched to an open scrim support. The scrim support material has individual discrete open areas with an average cross-sectional area as viewed from the plane of the filter media of at least 0.25 mm2, preferably 1.0 mm2, and a pressure dr op across the scrim support, without the filter web, of less than 1.5 mm H2O measured at 98.4 meters/min gaseous face velocity. The resulting filter has enhanced lifetimes, a low pressure drop and high filtration efficiencies.

Method for forming an electrostatic fibrous filter web

There is provided a method for forming a nonwoven electret fiber filter with a nonwoven web of electret fibers needle-punched to an open scrim support. The scrim support material has individual discrete open areas with an average cross-sectional area as viewed from the plane of the filter media of at least 0.25 mm2, preferably 1.0 mm2, and a pressure drop across the scrim support, without the filter web, of less than 1.5 mm H2O measured at 98.4 meters/min gaseous face velocity. The resulting filter has enhanced lifetimes, a low pressure drop and high filtration efficiencies.

Non-woven fabric, and oil-water separating filter and oil-water separating method

ADSORPTIVE FILTERING MATERIAL, PROTECTIVE APPAREL USING IT AND FILTERING MATERIAL

PROBLEM TO BE SOLVED: To provide an adsorptive filtering material having biological and chemical protective function, in particular, protective functions against chemical and biological poisons and noxiants of chemical and biological warfare agents. SOLUTION: This adsorptiive filtering material has a multi-layered structure comprising a first outer supporting layer, a second outer supporting layer, and an adsorptive layer disposed therebetween. The adsorptive filtering material has at least one catalytically active component, in particular, the first and/or second outer supporting layer having the catalytically active component. The adsorptive filtering material is particularly useful in NBC protective materials (NBC protective apparel, in particular), and useful in manufacturing the filter. COPYRIGHT: (C)2007,JPO&INPIT ...

TEXTILE COMPOSITE MATERIAL COMPRISING ACTIVATED CARBON FIBRES AND PRODUCTION THEREOF

The present invention relates to a textile sheetlike structure (1), in particular for protection against biological and chemical noxiants and poisons, such as biological and chemical warfare agents, said sheetlike structure (1) having a textile support layer (2) and a first sheetlike piece (3) of activated carbon fibres which is laminated onto the support layer (2), wherein the sheetlike structure (1) further comprises a second sheetlike piece (4) of activated carbon fibres which is laminated onto the support layer (2) such that edges of the two sheetlike pieces (3, 4) touch and/or overlap and wherein the two sheetlike pieces (3, 4) are joined together by the support layer (2). This provides a seamless joining together of two or more sheetlike pieces of activated carbon fibres to form a broadened, continuous sheetlike structure of activated carbon fibres to provide improved making-up utilization of the resulting material in the production of protective materials (such as for example protective ...

Electrostatic fibrous filter web

Polymeric fiber and glass fiber composite filter media

A composite filter media for bag or pocket filters and the like includes an upstream dirt-holding layer of fine polymeric fibers and a downstream high efficiency filtration layer of glass fibers. The upstream layer includes polymeric microfibers having a mean fiber diameter ranging from about 2.5 to about 4.5 microns, lofting fibers and binder fibers; and weighs between about 2.0 and about 7.0 grams per square foot. The glass fiber layer has a weight between about 1.2 and about 2.7 grams per square foot; the average diameter of the fibers in the glass fiber layer is within a range from 3.0×10-5 to 4.1×10-5 inches; and the fibers are bonded together at their points of intersection with a binder. The composite filter media has an average air filtration efficiency of at least 80%.

Verbundfilter und Verfahren zu dessen Herstellung

Verbundfilter (1) aufweisend zumindest ein Grobfiltergewebe (2) und zumindest ein Feinfiltergewebe (3), wobei das Grobfiltergewebe (2) eine größere Maschenweite (8) als das Feinfiltergewebe (3) aufweist sowie über Kettfaden (4) und Schussfaden (5) verfügt. An Kreuzungspunkten (6), an denen sich Kettfaden (4) und Schussfaden (5) im Grobfiltergewebe (2) kreuzen, ist auf dem Kettfaden (4, 5) an seiner dem Feinfiltergewebe (3) zugewandten Seite ein Klebstoff (7) aufgetragen und die zwischen den Kreuzungspunkten (6) gebildeten Maschen (8) des Grobfiltergewebes (2) sind im Wesentlichen frei von Klebstoff (7). Beim Verfahren zur Herstellung des Verbundfilters wird der Klebstoff (7) vermittels einer Walze, insbesondere einer Gravurwalze, auf das Grobfiltergewebe (2) aufgetragen.

Highly porous polyvinylidene difluoride membranes

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

The invention relates to a filter medium comprising a nonwoven layer, which has bicomponent fibres, and a melt-blown layer, which comprises polyester fibres having an average diameter (d1) of less than 1.8 pm. The thickness of the nonwoven layer is less than 0.4 mm at a contact pressure of 0.1 bar. At least 25% of the polyester fibres of the melt-blown layer have a diameter (d) of less than 1 pm.

Scheibenartiges Filterelement

Funktionelles Schutzmaterial mit reaktiv ausgerüsteter Membran und hiermit hergestellte Schutzbekleidung

Gegenstand der Erfindung ist ein funktionelles Schutzmaterial, insbesondere mit Schutzfunktion gegenüber chemischen und/oder biologischen Giften und Schadstoffen, wie Kampfstoffen, wobei das funktionelle Schutzmaterial einen mehrschichtigen Aufbau umfaßt. Der mehrschichtige Aufbau weist ein flächiges, insbesondere textiles Trägermaterial und eine dem Trägermaterial zugeordnete, insbesondere mit dem Trägermaterial verbundene Membran auf. Die Membran ist mit einer reaktiven Ausrüstung, insbesondere mit einer katalytisch aktiven Komponente, vorzugsweise mit Reaktivität gegenüber chemischen und/oder biologischen Giften und/oder Schadstoffen, ausgestattet. Das Adsorptionsfiltermaterial eignet sich insbesondere zur Verwendung in ABC-Schutzgegenständen (z. B. ABC-Schutzbekleidung).

DRAENMATTE MIT HOHER DRUCKBESTAENDIGKEIT

FILTER ELEMENTS

... 1476761 Filter elements DEFENCE SECRETARY OF STATE FOR 23 Dec 1974 [8 Jan 1974] 905/74 Heading BIT A filter element comprises a plurality of woven or non-woven layers of activated carbon fibres spaced apart by particles 2 comprising thermoplastics material (e.g. polyvinyl chloride, polyethylene, polypropylene) and optionally activated carbon, and bonded (e.g. by heating) to at least one of the adjacent layers. The element may also comprise a glass fibre layer and as a reinforcement a layer of perforated cotton scrim. The element may comprise folded layers. The element may be in the form of a face mask. In use the layers may be arranged in series or parallel.

SORPTIVE TEXTILE COMPOSITE

The invention relates to a sorptive textile composite comprising an air-permeable support for adsorber particles that, on one side, is provided with an air-permeable lining having an adhesive layer. The support is a nonwoven, into which loose adsorber particles are introduced, and the nonwoven, at least on one side, is lined with an air-permeable nonwoven.

ADSORPTION FILTER MATERIAL WITH INTEGRATED PARTICLE- AND/OR AEROSOL-FILTERING FUNCTION AND ITS USE

The invention relates to an adsorption filter material with integrated particle and/or aerosol protection and with protective performance against biological and/or chemical noxious substances, in particular biological and/or chemical warfare agents, the adsorption filter material including a multilayered construction comprising a carrier layer, an adsorption layer facing the carrier layer and preferably fixed to the carrier layer, and optionally a covering layer disposed on that side of the adsorption layer which is remote from the carrier layer, the adsorption filter material additionally including a particle- and/or aerosol-filtering layer preferably disposed between the adsorption layer and the covering layer, the particle- and/or aerosol-filtering layer being constructed as an air-permeable textile fabric formed from fibres having fibre diameters in the range from 10 nm to 5 μm, preferably 100 nm to 1.1 μm and preferably having a basis weight of 1 to 75 g/m2, in particular 2 to 50 g ...

Adsorbent fiber composite

NICHTGEWOBENE STOFFBAHN, OEL-WASSER-TRENNUNGSFILTER UND VERFAHREN ZUR OEL-WASSER-TRENNUNG.

Filter bag for a vacuum cleaner and method for identifying an area of a vacuum cleaner bag directly subjected to flow

The invention relates to a filter bag for a vacuum cleaner which is formed from a filter material which comprises at least three filter material layers. At least one layer of the filter material layers is a scrim and at least one layer is a fiber fleece layer, which comprises unconnected pile fibers and/or unconnected filaments.

FIRE-RETARDANT FILTER MEDIUM AND AIR FILTER UNIT

A fire-retardant, gas-permeable base material is provided at least on one surface of a porous film of polytetrafluoroethylene (PTFE) to provide a filter medium, which is usable for ceiling materials and has an excellent flame resistance, and an air filter unit using the filter medium.

SORPTIVE TEXTILE COMPOSITE

본 발명은 한 쪽에서 접착제 층을 갖는 공기 투과성 라이닝을 구비하는 흡착제 입자에 대한 공기 투과성 지지물을 포함하는 수착성 텍스타일 복합체에 관한 것이다. 지지체는 부직포이고, 여기에 성근 흡착제 입자들이 도입되어 있고, 부직포는 적어도 한쪽에서 공기 투과성 부직포로 라이닝되어 있다. The present invention relates to a sorbent textile composite comprising an air permeable support for adsorbent particles having an air permeable lining with an adhesive layer on one side. The support is a nonwoven fabric, in which sexually active adsorbent particles are introduced, and the nonwoven fabric is lined with an air permeable nonwoven fabric on at least one side. 수착성, 텍스타일, 부직포, 복합체, 공기 투과성 라이닝, 흡착제 입자. Sorption, textiles, nonwovens, composites, air permeable linings, adsorbent particles.

Adsorptive Filtering Material Having Biological and Chemical Protective Function and Use Thereof

본 발명은 생물학 및 화학적 보호 기능, 특히 화학 및 생물학전 작용제 같은 화학 및 생물학적 독성 물질 및 유해 물질에 대하여 보호기능을 가지는 흡착성 필터 구조체에 관한 것으로, 흡착성 필터 구조체는 제 1 외부 지지층 및 제 2 외부 지지층 및 두 지지층 사이에 배치되는 흡착층을 포함하는 다중층 구조를 가지고, 흡착성 필터 구조체는 적어도 하나의 촉매 활성 성분을 더 포함하고, 제 1 외부 지지층 및/또는 제 2 외부 지지층에 촉매 활성 성분을 구비한다. 흡착성 필터 구조체는 NBC 보호 물질(예를 들면 NBC 보호 의류) 및 필터의 생산에서 특히 유용하다. The present invention relates to an adsorptive filter structure having a protective function against biological and chemical protective functions, in particular chemical and biological toxic substances such as chemical and biological warfare agents and harmful substances, wherein the adsorptive filter structure comprises a first outer support layer and a second outer support layer; Having a multilayer structure comprising an adsorption layer disposed between two support layers, the adsorptive filter structure further comprises at least one catalytically active component and having catalytically active components in the first outer support layer and / or the second outer support layer. . Adsorbent filter structures are particularly useful in the production of NBC protective materials (eg NBC protective clothing) and filters. 흡착성 필터 구조체, 촉매 활성 성분 Adsorptive Filter Structure, Catalytic Active Component

FIRE-RETARDANT FILTER MEDIUM AND AIR FILTER UNIT

본 발명은 폴리테트라플루오로에틸렌(PTFE) 다공막의 적어도 한쪽면에 난연성의 통기성 지지재료를 구비함으로써, 천장부재등에 사용할 수 있는 난연성이 우수한 필터 여과재 및 이를 이용한 에어 필터 유닛을 제공한다.

Drainage mat with high crushing strength and waste-dump base containing said mat

Drainage mats with high compression resistance comprising two fabrics and grains fixedly arranged therebetween, wherein the grains are placed in one layer and are spaced a distance of at least 50% of the average grain size. One of the two fabrics is basically a filter layer, whereas the second fabric can be a filter layer or a tightly woven strip. In addition, a three-dimensional mat with positioning seats for the grains can be placed between the two fabrics. This drainage mat is suitable for constructing waste-dump bases.

Filtermedium mit einer Vlieslage und einer Meltblownlage

Ein Filtermedium umfasst eine Vlieslage, die Bikomponentenfasern aufweist, und eine Meltblownlage, die Polyesterfasern mit einem mittleren Durchmesser (d1) von kleiner als 1,8 µm umfasst. Die Dicke der Vlieslage ist kleiner als 0,4 mm bei 0,1 bar Auflagedruck. Mindestens 25 % der Polyesterfasern der Meltblownlage haben einen Durchmesser (d) von kleiner als 1 µm.

ADSORPTIVE FILTERING MATERIAL HAVING BIOLOGICAL AND CHEMICAL PROTECTIVE FUNCTION AND USE THEREOF

The invention relates to an adsorptive filtering material with biological and chemical protective function, in particular with protective function with regard to both chemical and biological poisons and noxiants, such as chemical and bio- logical warfare agents, the adsorptive filtering material having a multilayered construction comprising a first outer supporting layer and a second outer sup- porting layer and an adsorptive layer disposed between the two supporting lay- ers, the adsorptive filtering material further comprising at least one catalytically active component, the first outer supporting layer and/or the second outer sup- porting layer being provided with the catalytically active component. The ad- sorptive filtering material is particularly useful in NBC protective materials (for example NBC protective apparel) and also for production of filters.

MULTI-LAYERED STRUCTURE AND ARTICLES FORMED THEREFROM HAVING IMPROVED SPLASH RESISTANCE BY INCREASED INTERLAYER SPACING

A splash resistant multi-layered structure is provided. The structure includes a specific arrangement of layers of material and a plurality of three-dimensional spacers (302) that helps prevent penetration through the structure by a fluid that contacts an outer surface of the structure due to a state of forced separation that exists between two adjacent layers (300, 400, 802, 804, 806, 808) of the structure due to the presence of the plurality of three-dimensional spacers positioned between the layers. The plurality of three-dimensional spacers can be positioned on one of the adjacent layers (300, 802, 804, 806, 808) of the structure such that a distance (D) at least as large as the maximum height (S) of the plurality of three-dimensional spacers separates the two layers from each other and can be present on a layer of material in a continuous or discontinuous pattern or can be present on a layer of material in a random fashion. The presence of the three-dimensional spacers can reduce the ...

ADSORPTION FILTER MATERIAL WITH INTEGRATED PARTICLE- AND/OR AEROSOL-FILTERING FUNCTION AND ITS USE

The invention relates to an adsorption filter material with integrated particle and/or aerosol protection and with protective performance against biological and/or chemical noxious substances, in particular biological and/or chemical warfare agents, the adsorption filter material including a multilayered construction comprising a carrier layer, an adsorption layer facing the carrier layer and preferably fixed to the carrier layer, and optionally a covering layer disposed on that side of the adsorption layer which is remote from the carrier layer, the adsorption filter material additionally including a particle-and/or aerosol-filtering layer preferably disposed between the adsorption layer and the covering layer, the particle-and/or aerosol-filtering layer being constructed as an air-permeable textile fabric formed from fibres having fibre diameters in the range from 10 nm to 5 μm, preferably 100 nm to 1.1 μm and preferably having a basis weight of 1 to 75 g/m, in particular 2 to 50 g/m, ...

MULTI-LAYERED STRUCTURE AND ARTICLES FORMED THEREFROM HAVING IMPROVED SPLASH RESISTANCE BY INCREASED INTERLAYER SPACING

ELECTROSTATIC FIBROUS FILTER WEB

There is provided a nonwoven electret fiber filter formed with a nonwoven web of electret fibers needle-punched to an open scrim support. The scrim support material has individual discrete open areas with an average cross-sectional area as viewed from the plane of the filter media of at least 0.25 mm2, preferably 1.0 mm2, and a pressure drop across the scrim support, without the filter web, of less than 1.5 mm H2O measured at 98.4 meters/min gaseous face velocity. The resulting filter has enhanced lifetimes, a low pressure drop and high filtration efficiencies.

Verbundfilter

Verbundfilter (1) aufweisend zumindest ein Grobfiltergewebe (2) und zumindest ein Feinfiltergewebe (3), wobei das Grobfiltergewebe (2) eine größere Maschenweite (8) als das Feinfiltergewebe (3) aufweist sowie über Kettfaden (4) und Schussfaden (5) verfügt, dadurch gekennzeichnet,dass nur an Kreuzungspunkten (6), an denen sich Kettfaden (4) und Schussfaden (5) im Grobfiltergewebe (2) kreuzen und an denen der Kettfaden dem Feinfiltergewebe zugewandt ist, auf dem Kettfaden (4, 5) an seiner dem Feinfiltergewebe (3) zugewandten Seite ein Klebstoff (7) aufgetragen ist unddass die zwischen den Kreuzungspunkten (6) gebildeten Maschen (8) des Grobfiltergewebes (2) im Wesentlichen frei von Klebstoff (7) sind. Composite filter (1) comprising at least one coarse filter fabric (2) and at least one fine filter fabric (3), the coarse filter fabric (2) having a larger mesh size (8) than the fine filter fabric (3) and having warp thread (4) and weft thread (5) , characterized in that only at intersection points (6) where the warp thread (4) and weft thread (5) intersect in the coarse filter fabric (2) and where the warp thread faces the fine filter fabric, on the warp thread (4, 5) on it an adhesive (7) is applied to the side facing the fine filter fabric (3) and that the meshes (8) of the coarse filter fabric (2) formed between the crossing points (6) are essentially free of adhesive (7).

FEUERHEMMENDES FILTERMEDIUM UND LUFTFILTEREINHEIT

Fiber collecting media strip for a mist eliminator

SURGICAL FACE MASK

There is disclosed a surgical face mask comprising two layers of a porous, nonwoven facing fabric and a nonwoven fabric filtration medium between the layer of facing fabric. The nonwoven fabric filtration medium is a spunbonded fabric made for continuous length filaments having a diameter of from 14-20 microns. The major proportion of the length of the filaments lie in planes which are substantially parallel to the major surfaces of the fabric and, therefore, perpendicular to the direction of air flow through the mask.

functional textile fabric provided with active microcapsules and its use

Funktionelles Textilmaterial (1), das einen textilen Träger (2) in Form eines textilen Flächengebildes unifaßt, wobei der textile Träger (2) mit Mikrokapseln (3), die mindestens einen Wirkstoff enthalten, beaufschlagt ist, wobei die Mikrokapseln (3) mittels eines diskontinuierlich auf dem textilen Träger (2) applizierten Klebstoffs (4) an dem textilen Träger (2) befestigt sind. Auf diese Weise wird ein funktionelles Textilmaterial (1) mit hoher Luftdurchlässigkeit und hoher Wasserdampfdurchlässigkeit bei reduziertem Flächengewicht erhalten, welches sich insbesondere zu Zwecken der Herstellung von funktioneller Bekleidung einsetzen läßt.

Multi-layer filter material for a vacuum cleaner bag

Die Erfindung betrifft ein mehrlagiges Filtermaterial für einen Staubsaugerbeutel, welches stromaufwärts geordnet wenigstens folgende Schichten umfasst eine Vorabscheideschicht (1), eine Staubspeicherschicht (2), eine Schicht (3) zur Erhöhung der Reißfestigkeit des Staubbeutels. Um ein Filtermaterial für einen Staubsaugerbeutel zu offenbaren, welches einerseits einfach und auch preiswert herzustellen ist und andererseits eine ausreichende Reißfestigkeit gewährleistet, wird vorgeschlagen, dass die Schicht (3) zur Erhöhung der Reißfestigkeit des Staubbeutels zwei Lagen Spinnvlies (3.1, 3.2) umfasst, die linienförmig miteinander verbunden sind ...

Drainage mat with high resistance to pressure and ground of deposition by this mat

Fiber collecting media strip for a mist eliminator

Electrostatic fibrous filter web

Fire-retardant filter medium and air filter unit

Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing

A splash resistant multi-layered structure is provided. The structure includes a specific arrangement of layers of material and a plurality of three-dimensional spacers (302) that helps prevent penetration through the structure by a fluid that contacts an outer surface of the structure due to a state of forced separation that exists between two adjacent layers (300, 400, 802, 804, 806, 808) of the structure due to the presence of the plurality of three-dimensional spacers positioned between the layers. The plurality of three-dimensional spacers can be positioned on one of the adjacent layers (300, 802, 804, 806, 808) of the structure such that a distance (D) at least as large as the maximum height (S) of the plurality of three-dimensional spacers separates the two layers from each other and can be present on a layer of material in a continuous or discontinuous pattern or can be present on a layer of material in a random fashion. The presence of the three-dimensional spacers can reduce the ...

TEXTILE SHEET STRUCTURE, ITS MANUFACTURING METHOD AND PROTECTIVE TOOL USING IT

PROBLEM TO BE SOLVED: To provide an active carbon textile sheetlike structure with a larger textile width, its manufacturing method and to improve a manufacturing yield under manufacturing the protective tool described above (for example a protective clothing or the like). SOLUTION: The textile sheetlike structure (1) being for protecting a subject from a biochemical harmful material such as a biological or a chemical weapon, the textile sheetlike structure (1) comprises a textile supporting layer (2) and a first sheetlike member (3) comprising an active carbon fiber to be adhered to the supporting layer (2) and a second sheetlike member (4) made of the active carbon fiber, the edge parts of each sheets of the first and the second sheetlike member (3, 4) are piled up so as to contact each other and/or so as to be duplicated with the supporting layer (2) and to be joined with the supporting layer (2). COPYRIGHT: (C)2006,JPO&NCIPI ...

Filter Medium For Manufacturing Filters

The above objective are accomplished by providing a filter medium for use in manufacturing of hydraulic fluid and air filters comprising: an upstream layer comprised of nonwoven fiber having a denier between about 5.0 and 7.0 and a weight of between about 3.0 and 5.0 ounces a scrim and a cap layer comprising a fiber having a denier between about 0.1 and 5.0 denier and a weight between about 2.0 and 4.0 ounces carried by said upstream layer and disposed downstream from said upstream layer. The upstream layer, scrim and cap layer can have a weight of about 4.0 ounces, 2.0 ounces and 3.0 ounces respectively. A downstream layer can be disposed between said upstream layer and said cap layer.

Adsorptive filtering material having biological and chemical protective function and use thereof

The invention relates to an adsorptive filtering material with biological and chemical protective function, in particular with protective function with regard to both chemical and biological poisons and noxiants, such as chemical and biological warfare agents, the adsorptive filtering material having a multilayered construction comprising a first outer supporting layer and a second outer supporting layer and an adsorptive layer disposed between the two supporting layers, the adsorptive filtering material further comprising at least one catalytically active component, the first outer supporting layer and/or the second outer supporting layer being provided with the catalytically active component. The adsorptive filtering material is particularly useful in NBC protective materials (for example NBC protective apparel) and also for production of filters.

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

The object of the invention is a functional protective material, especially with the function of protecting against chemical and/or biological poisons and/or noxious materials, such as combat agents, wherein the functional protective material comprises a multilayer construction. The multilayer construction has a two-dimensional backing material, especially a textile backing material and a membrane, which is assigned to the backing material and, in particular, is connected therewith. The membrane is provided with a reactive finish, especially with a component having catalytic activity preferably with respect to chemical and/or biological poisons and/or noxious matter. The adsorption filter material is suitable particularly for use in ABC protection objects (such as ABC protective clothing). 1. A protective apparel , said protective apparel comprising a functional protective material having protective function with regard to chemical and biological poisons and noxiants , a sheetlike textile supporting material, wherein said supporting material is a woven fabric, a loop-formingly knitted fabric, a loop-drawingly knitted fabric, a nonwoven scrim, a batt or a bonded textile fabric; and', 'a membrane associated to said supporting material, wherein said membrane is bonded to said supporting material at least essentially uniformly, or wherein said membrane is bonded to said supporting material sectionally, and, 'wherein said functional protective material comprises a multilayered construction, said multilayered construction includingwherein said membrane is endowed with a reactive additization in the form of a catalytically active component having reactivity with regard to chemical and biological poisons and noxiants, (i) copper selected from the group consisting of copper oxides, copper carbonates, copper sulfates and copper-ammonium complexes;', '(ii) zinc selected from the group consisting of zinc oxides, zinc carbonates, zinc sulfate and zinc-ammonium complexes;', '(iii ...

NICHTGEWOBENE STOFFBAHN, OEL-WASSER-TRENNUNGSFILTER UND VERFAHREN ZUR OEL-WASSER-TRENNUNG.

Filter medium

Polymeric fiber and glass fiber composite filter media

A composite filter media for bag or pocket filters and the like includes an upstream dirt-holding layer of fine polymeric fibers and a downstream high efficiency filtration layer of glass fibers. The upstream layer includes polymeric microfibers having a mean fiber diameter ranging from about 2.5 to about 4.5 microns, lofting fibers and binder fibers; and weighs between about 2.0 and about 7.0 grams per square foot. The glass fiber layer has a weight between about 1.2 and about 2.7 grams per square foot; the average diameter of the fibers in the glass fiber layer is within a range from 3.0x10-5 to 4.1x10-5 inches; and the fibers are bonded together at their points of intersection with a binder. The composite filter media has an average air filtration efficiency of at least 80%.

FILTER ASSEMBLIES

FIBER COLLECTING MEDIA STRIP FOR A MIST ELIMINATOR

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

Fibre filter and process for producing it

Fibre filter The fibre filter which is permeable to fluid, to clean fluid flows e.g. air or gases carrying dust or smoke, is a flat compound body (12) with at least a cover and base layer (14,18). Loosely bonded particles (16) are held in place between them, held by adhesive points (20). Also claimed is a mfg. process where the fibre base layer (14) is sprayed with an adhesive (S) together with filling particles (16), to be covered by the upper layer (18) of fibre materials.

Filtermedium mit einer Vlieslage und einer Meltblownlage sowie Filterelement

Filtermedium umfassend eine Vlieslage, die Bikomponentenfasern aufweist, und eine Meltblownlage, die Polyesterfasern mit einem mittleren Durchmesser (d1) von kleiner als 1,8 µm umfasst, wobei die Dicke der Vlieslage kleiner als 0,4 mm bei 0,1 bar Auflagedruck ist, und mindestens 25% der Polyesterfasern der Meltblownlage einen Durchmesser (d) von kleiner als 1 µm haben.

FILTERELEMENT

FILTERING MEDIUM

FIBER COLLECTING MEDIA STRIP FOR A MIST ELIMINATOR

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

ELECTROSTATIC FIBROUS FILTER WEB

There is provided a nonwoven electret fiber filter formed with a nonwoven web of electret fibers needle-punched to an open scrim support. The scrim support material has individual discrete open areas with an average cross-sectional area as viewed from the plane of the filter media of at least 0.25 mm2, preferably 1.0 mm2, and a pressure drop across the scrim support, without the filter web, of less than 1.5 mm H2O measured at 98.4 meters/min gaseous face velocity. The resulting filter has enhanced lifetimes, a low pressure drop and high filtration efficiencies.

HIGHLY POROUS POLYVINYLIDENE DIFLUORIDE MEMBRANES

The present invention relates to the field synthetic polymeric membrane materials formed from casting polyvinylidene difluoride (PVDF) polymer solutions and/or dispersions. Membranes formed in accordance with the present invention are all highly porous. Both internally isotropic membranes and highly asymmetric PVDF membranes are disclosed. Membranes of the invention may be hydrophobic or hydrophilic. The membranes of the invention are useful in a variety of microfiltration and ultrathin applications.

Fiber collecting media strip for a mist eliminator

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

Non-woven fabric, and oil-water separating filter and oil-water separating method

FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER

Textiles Verbundmaterial mit Aktivkohlefasern und Verfahren zu seiner Herstellung

Textiles Flächengebilde (1) zum Schutz gegenüber biologischen und chemischen Schadstoffen und Giften, wie biologischen und chemischen Kampfstoffen, mit einer textilen Trägerschicht (2) und mit einem ersten Flächenstück (3) aus Aktivkohlefasern, welches auf die Trägerschicht (2) aufkaschiert ist, dadurch gekennzeichnet, daß das Flächengebilde (1) außerdem ein zweites Flächenstück (4) aus Aktivkohlefasern aufweist, welches auf die Trägerschicht (2) aufkaschiert ist derart, daß sich Ränder der beiden Flächenstücke (3, 4) berühren und/oder überlappen, und daß die beiden Flächenstücke (3, 4) durch die Trägerschicht (2) miteinander verbunden sind.

FIBER COLLECTING MEDIA STRIP FOR A MIST ELIMINATOR

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed. © KIPO & WIPO 2008 ...

Fiber laminate and manufacturing method thereof

A fiber laminate includes a first fiber sheet containing first fibers, a second fiber sheet laminated on the first fiber sheet and containing second fibers, and an adhesive interposed between the first fiber sheet and the second fiber sheet. The adhesive is disposed to form a linear first region in the fiber laminate when viewed from a normal direction of a principal surface of the fiber laminate. The first fiber sheet and the second fiber sheet are adhered to each other via the first region. A gap is formed between the first fiber sheet and the second fiber sheet in a second region other than the first region.

Funktionelles Schutzmaterial mit reaktiv ausgerüsteter Membran und hiermit hergestellte Schutzbekleidung

Funktionelles Schutzmaterial (1), insbesondere mit Schutzfunktion gegenüber chemischen und/oder biologischen Giften und/oder Schadstoffen, wie Kampfstoffen, wobei das funktionelle Schutzmaterial (1) einen mehrschichtigen Aufbau umfaßt, wobei der mehrschichtige Aufbau – ein flächiges, insbesondere textiles Trägermaterial (3) und – eine dem Trägermaterial (3) zugeordnete, insbesondere mit dem Trägermaterial (3) verbundene Membran (2) aufweist, wobei die Membran (2) mit einer reaktiven Ausrüstung, insbesondere mit einer katalytisch aktiven Komponente, vorzugsweise mit Reaktivität gegenüber chemischen und/oder biologischen Giften und/oder Schadstoffen, ausgestattet ist.

Drainage mat with high resistance to pressure and ground of deposition by this mat

Dränmatte mit hoher Druckbeständigkeit, bestehend aus zwei Flächengebilden (10, 11) und zwischen diesen Flächengebilden ortsfest angeordneten Körnern (12), wobei die Körner einschichtig angeordnet sind und einen Abstand von wenigstens 50% der mittleren Korngröße voneinander aufweisen. Eines der beiden Flächengebilde ist grundsätzlich eine Filterschicht, während das zweite Flächengebilde eine Filterschicht oder eine dichte Bahn sein kann. Zwischen den beiden Flächengebilden (10, 11) kann zusätzlich eine dreidimensionale Matte (13) mit Positionierungsplätzen für die Körner angeordnet sein. Diese Dränmatte eignet sich zum Aufbau von Deponieböden. Drainage mat with high pressure resistance, consisting of two flat structures (10, 11) and grains (12) arranged in a fixed position between these flat structures, the grains being arranged in one layer and being at a distance of at least 50% of the average grain size from one another. One of the two sheets is basically a filter layer, while the second sheet can be a filter layer or a dense sheet. A three-dimensional mat (13) with positioning places for the grains can also be arranged between the two flat structures (10, 11). This drainage mat is suitable for building landfill floors.

Functional protective material with a reactively finished membrane and protective clothing produced therewith

本发明的目标是一种功能防护材料，其特别具有针对化学和/或生物毒药和/或毒物(例如战剂)的防护功能，其中该功能防护材料包括多层构造。该多层构造具有二维的基底材料，特别是纺织基底材料，以及一个膜，所述膜分配到基底材料，更具体地连接到基底材料。该膜具有一个反应加成物，特别是催化活性成分，优选针对化学和/或生物毒药和/或毒物。该吸附过滤材料特别适用于ABC防护目的(例如ABC防护服)。

Electrostatic fibrous filter web

일렉트릿 섬유의 부직 웨브를 개방 스크림 지지체에 니들 펀칭함으로써 형성된 부직 일렉트릿 섬유 필터가 제공된다. 스크림 지지 재료는 필터 매체의 평면에서 볼 때 평균 단면적이 0.25mm 2 이상, 바람직하게는 1.0mm 2 이상이며, 압력 강하가 필터 웨브 없이 스크림 지지체를 가로질러 98.4m/min의 가스의 표면 속도에서 측정된 1.5mm H 2 0 미만인 각각의 분리된 개방 영역을 구비한다. 이렇게 형성된 필터의 수명은 증가되며, 압력 강하는 낮아지고 여과 효율은 높아진다.

For the fiber collecting media strip of demister

一种纤维床除雾器，具有由包括非针刺的收集层的复合纤维床收集介质条带形成的纤维床。该纤维床可制造得非常薄，同时保持从穿过纤维床的气流中去除悬浮微粒的高效率。所述纤维床收集介质条带通过将元件螺旋地缠绕在除雾器上而施加在除雾器上。所述纤维床收集介质条带自身可交迭以在纤维元件自身交迭的位置处进行密封。所述纤维床收集介质条带能以不同方式应用于工作场地以用于制造纤维床除雾器。

Fiber collecting media strip for a mist eliminator

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

Fiber collection strip for mist eliminator

Conjunto de lecho de fibras (19) para un eliminador de niebla de lecho de fibras (1) utilizado para quitar aerosoles y/osolidos solubles mojados de una corriente de gas móvil, comprendiendo el conjunto de lecho de fibras:un soporte de lecho de fibras (27, 29, 34) que tiene una pared (27, 29) que define un espacio aguas arriba (33) y unespacio aguas abajo (31), incluyendo la pared (27, 29) aberturas en ella misma para permitir que la corriente de gas sedesplace a través de la pared (27, 29) desde el espacio aguas arriba (33) hasta el espacio aguas abajo (31);un lecho de fibras (35) soportado por el soporte de lecho de fibras (27, 29, 34) y que cubre las aberturas de la pared demodo que la corriente de gas pasa a través del lecho de fibras (35) que se mueve desde el espacio aguas arriba (33)hasta el espacio aguas abajo (31), comprendiendo el lecho de fibras (35) una tira compuesta de medio de recolecciónde lecho de fibras (37, 37', 37") que incluye; una capa exterior (59, 59', 59") que comprende una almohadilla de fibras construida para proporcionar integridadestructural a la tira compuesta de medio de recolección de lecho de fibras (37, 37', 37"), una capa interior (57, 57', 57")que comprende una almohadilla de fibras construida para proporcionar integridad estructural a la tira compuesta demedio de recolección de lecho de fibras (37, 37', 37"), y una capa intermedia (61, 61', 61") dispuesta en sándwich entrelas capas externa e interna (59, 59', 59", 57, 57', 57"), no estando la capa intermedia (61, 61', 61 ") perforada conagujas, estando las capas interior y exterior (57, 57', 57", 59, 59', 59") unidas entre sí al menos en uno de sus márgenesde borde longitudinal de las capas interior y exterior (57, 57', 57", 59, 59', 59"). Fiber bed assembly (19) for a fiber bed mist eliminator (1) used to remove wet soluble aerosols and / or solids from a moving gas stream, the ...

Fiber laminate and manufacturing method thereof

A fiber laminate includes a first fiber sheet containing first fibers, a second fiber sheet laminated on the first fiber sheet and containing second fibers, and an adhesive interposed between the first fiber sheet and the second fiber sheet. The adhesive is disposed to form a linear first region in the fiber laminate when viewed from a normal direction of a principal surface of the fiber laminate. The first fiber sheet and the second fiber sheet are adhered to each other via the first region. A gap is formed between the first fiber sheet and the second fiber sheet in a second region other than the first region.

Fiber collecting media strip for a mist eliminator

A fiber bed mist eliminator has a fiber bed which is formed of a composite fiber bed collecting media strip including a collection layer which is not subjected to needle punching. The fiber bed can be made very thin while retaining high efficiency in removing small particles of aerosol from a gas stream passing through the fiber bed. The fiber bed collecting media strip lends itself to be applied to the mist eliminator by spirally wrapping the element onto the mist eliminator. The fiber bed collecting media strip can overlap itself to seal at the locations where the fiber element overlaps itself. The fiber bed collecting media strip can be provided to the field in different formats for use in making a mist eliminator fiber bed.

Highly porous polyvinylidene difluoride membranes

The present invention relates to the field synthetic polymeric membrane materials formed from casting polyvinylidene difluoride (PVDF) polymer solutions and/or dispersions. Membranes formed in accordance with the present invention are all highly porous. Both internally isotropic membranes and highly asymmetric PVDF membranes are disclosed. Membranes of the invention may be hydrophobic or hydrophilic. The membranes of the invention are useful in a variety of microfiltration and ultrathin applications.

Dust filter bag with a dust collector insert

Staubfilterbeutel zum Einsatz in einem Staubsauger, mit – einer die Außenseite des Staubfilterbeutels (1) bildenden ein- oder mehrlagigen Beutelwand (2o, 2u), die zumindest abschnittsweise aus luftdurchlässigem Filtermaterial ausgebildet ist, – einem Beutelinnenraum, der unmittelbar oder mittelbar von der Beutelwandung umschlossen ist, und – einer Einlaßöffnung (3), die in der Beutelwand ausgebildet ist, dadurch gekennzeichnet, dass im Beutelinnenraum eine luftdurchlässige Staubfängereinlage (7) oder mehrere luftdurchlässige Staubfängereinlagen (7) lose angeordnet ist bzw. sind, wobei die lose Anordnung derart ausgebildet ist, dass die luftdurchlässige Staubfängereinlage (7) an keiner Stelle eine permanente Verbindung mit der Beutelwand (2o, 2u) oder einem mit der Beutelwand (2o, 2u) verbundenen Bauteil des Staubfilterbeutels aufweist.

Functional textile material provided with microcapsules containing an active ingredient and use thereof

The subject of the invention is a functional textile material ( 1 ), wherein the functional textile material ( 1 ) comprises a textile backing ( 2 ) in the form of a two-dimensional textile formation, and the textile backing ( 2 ) is provided with microcapsules ( 3 ), which contain at least one active ingredient, and the microcapsules ( 3 ) are secured to the textile backing ( 2 ) by means of an adhesive ( 4 ) applied discontinuously to the textile backing ( 2 ). In this way, one obtains a functional textile material ( 1 ) with high air-permeability and high water vapor-permeability at reduced basis weight, which material can be used in particular for making functional clothing.

Composite filtering material for making fabrics and its manufacturing process

The present invention relates to a composite filtering material (10) comprising at least one intermediate layer made of nanomaterials (11) coupled with two layers of breathable material (12,13), and in interposition therebetween (12,13), the intermediate layer (11) and the layers of breathable material (12,13) being mutually constrained by a plurality of micrometric constraints made along an overlapping surface of the layers (11,12,13), wherein the micrometric constraints have dimensions measurable in terms of a diameter of a circumference inscribing each constraint, with the diameter (d) of such a circumference being less than or equal to 0.5 mm.

High-permeability adsorption filter material for e.g. automobile interior ventilation

Composite material for mask and mask formed by composite material

本实用新型涉及一种用于面罩的复合材料。所述复合材料包括至少一个织物层，其包括金属纤维材料；以及，至少一个聚合物层，其与所述至少一个织物层层压以形成单个复合层；其中，所述至少一个聚合物层具有与所述至少一个织物层基本相同的形状和尺寸，使得穿过所述复合层的任何气流将被所述至少一个织物层和所述至少一个聚合物层两者有效地过滤。

Multi-layer filters made of polymer and glass fibers

Composite material for use in face mask, and face mask formed thereof

A composite material for use in a face mask (10) is provided. The composite material comprises at least one fabric layer (20) comprising a metallic fiber material; and at least one polymer layer (23) laminated with the at least one fabric layer (20) to form a single composite layer; wherein the at least one polymer layer (23) is of substantially the same shape and size as the at least one fabric layer (20), such that any air stream passing through the composite layer will be effectively filtered by both the at least one fabric layer (20) and the at least one polymer layer (23).

Non-woven fabric, and oil-water separating filter and oil-water separating method

Disclosed is a water-repellent nonwoven fabric made of a melt-blown fiber having a single filament denier of 0.005 to 2.0, wherein the fiber packing ratio is 5 to 70% and the water pressure resistance index is 400 to 2,000 mmh₂0. The nonwoven fabric is used for an oil-water separating filter having a permeability to oil and non-permeability to water. A composite fabric comprising a combination of the nonwoven fabric and an air-permeable knitted or woven fabric laminated and integrated with at least one surface of the nonwoven fabric is useful as an air permeable and water repellent fabric.

Multi-layer, oil-resistant, electro-mechanical synthetic hepa media

A composite media alternative to high pressure drop glass microfiber HEPA media for use in applications where HEPA efficiency with an oily aerosol challenge with low resistance are required. The composite media contains two light filtration layers, one or both of which is charged, and the efficiency of the material can be greatly increased over a single layer containing the same weight of material. The composite media contains a backer layer to provide mechanical support to the filtration layers.

Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing

A splash resistant multi-layered structure is provided. The structure includes a specific arrangement of layers of material and a plurality of three-dimensional spacers (302) that helps prevent penetration through the structure by a fluid that contacts an outer surface of the structure due to a state of forced separation that exists between two adjacent layers (300, 400, 802, 804, 806, 808) of the structure due to the presence of the plurality of three-dimensional spacers positioned between the layers. The plurality of three-dimensional spacers can be positioned on one of the adjacent layers (300, 802, 804, 806, 808) of the structure such that a distance (D) at least as large as the maximum height (S) of the plurality of three-dimensional spacers separates the two layers from each other and can be present on a layer of material in a continuous or discontinuous pattern or can be present on a layer of material in a random fashion. The presence of the three-dimensional spacers can reduce the basis weight or eliminate one or more layers of the structure, which, in turn, can reduce thermal resistance, lower the pressure drop across the layers of the structure, and reduce the overall weight of the structure to enhance breathability and comfort.

Rainwater filter

Regenwasserfilter, insbesondere Rohrfilter, mit einer vertikalen Rohrstrecke an dessen Ende ein Rohrverschluß ist und diese Rohrstrecke seitliche Abzweigöffnungen hat, die zu einem Regenwassersammler führen, ist dadurch gekennzeichnet, das der Regenwasserfilter einstellbar ist durch die Anzahl der Lagen des Filtergewebes um die Rohrstrecke herum als auch der Regenwasserfilter einstellbar ist durch die Anzahl, die Größe und die Position der Abzweigöffnungen. Rainwater filter, in particular pipe filter, with a vertical pipe section at the End is a pipe closure and this pipe section has lateral branch openings leading to a Lead rainwater collector, is characterized in that the rainwater filter adjustable is the number of layers of filter fabric around the pipe run around as well as the rainwater filter is adjustable by the number, the size and the position the branch openings.

Device / material (in the broadest sense "filter") for air purification, to improve the filter performance of masks, of filter devices in means of transport (airplanes, trains, etc.), in buildings, etc. to remove aerosols, droplets, dusts, vapors, which are loaded with a wide variety of inorganic or organic material, bacteria or viruses.

Zur Reinigung von Atemluft für Einzelpersonen werden Masken aus verschiedenen Materialien, u.a. „Geweben“, eingesetzt, dieselben Materialien werden auch für grossflächige „Filter“ zur Reinigung von Raumluft allgemein benützt. Die von vielen Personen benützten Gesichtsmasken (Stoff-Gesichtsmasken [GM), auch MNB, Mund-Nasen-Bedeckung) werden z.B. aus den verschiedensten Stoffen, Geweben etc. gefertigt, und von Personen eingesetzt um sie vor der Einwirkung durch toxische oder infektiöse Stoffe zu schützen. Die Variationsbreite der Grösse der zu erfassenden Teilchen ist sehr gross, sie kann von < 1 µm bis 0,1 mm (Grobstaub) reichen. Die üblichen Stoff- und Papiermasken arbeiten hauptsächlich nach dem Prinzip der Filtration mit geordneten Geweben bzw. mit ungeordneten Faseranordnungen (Vlies, Filz, Papier) in zweidimensional fixierter Anordnung. Die vorliegende Patentanmeldung verwendet das Prinzip einer dreidimensionalen Anordnung von mikroskopisch kleinen, durchlässigen, strukturell fixierten Kunststoff-Bläschen (Schaum), welche zudem den Effekt des Multi-Impakts und der Richtungsänderung des zu reinigenden Luftstroms im Bläschennetzwerk ausnützen. Als Material wird elastischer Kunststoff-Schaum eingesetzt, welcher eine hohe chemische Polarität und damit Ad-/Absorptivität besitzt und dessen Porosität entsprechend den Anforderungen an die Reinigungseffektivität angepasst werden kann. Bei der Anwendung für Gesichtsmasken und anderen Reinigungs-Aufgaben ist eine gute Elastizität erforderlich, damit sich die Masken gut anpassen. Das Material muss zudem beständig gegen Feuchtigkeit sein und seine Mikrostruktur im Einsatz behalten (im Vergleich zu Papier-Vliesen, quellende Stofffasern, welche verkleben etc.). Für die Patentanmeldung wurden Schaum-Vliese aus offenporigen, elastischen Polyurethan-Weich-Schaumstoffen in Stoffmasken eingesetzt, wobei verschiedene Verarbeitungsvarianten möglich sind (Schnitt der Masken und Nähverfahren bzw. Klebeverfahren) Die beschriebenen ...

Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing

A splash resistant multi-layered structure is provided. The structure includes a specific arrangement of layers of material and a plurality of three-dimensional spacers (302) that helps prevent penetration through the structure by a fluid that contacts an outer surface of the structure due to a state of forced separation that exists between two adjacent layers (300, 400, 802, 804, 806, 808) of the structure due to the presence of the plurality of three-dimensional spacers positioned between the layers. The plurality of three-dimensional spacers can be positioned on one of the adjacent layers (300, 802, 804, 806, 808) of the structure such that a distance (D) at least as large as the maximum height (S) of the plurality of three-dimensional spacers separates the two layers from each other and can be present on a layer of material in a continuous or discontinuous pattern or can be present on a layer of material in a random fashion. The presence of the three-dimensional spacers can reduce the basis weight or eliminate one or more layers of the structure, which, in turn, can reduce thermal resistance, lower the pressure drop across the layers of the structure, and reduce the overall weight of the structure to enhance breathability and comfort.

Fiber collecting media strip for a mist eliminator

부직포 층 및 멜트 블로운 층을 구비한 필터 매체

본 발명은 이성분 섬유를 갖는 부직포 층, 및 평균 직경(d1)이 1.8 ㎛ 미만인 폴리에스테르 섬유를 포함하는 멜트 블로운 층을 포함하는 필터 매체에 관한 것이다. 부직포 층의 두께는 0.1 bar의 접촉 압력에서 0.4 mm 미만이다. 멜트 블로운 층의 폴리에스테르 섬유의 적어도 25%는 직경(d)이 1 ㎛ 미만이다.

Funktionelles schutzmaterial mit reaktiv ausgerüsteter membran und hiermit hergestellte schutzbekleidung

具有非织造织物层和熔喷层的过滤介质

过滤介质包括具有双组分纤维的非织造织物层和包含具有小于1.8μm的平均直径(dl)的聚酯纤维的熔喷层。非织造织物层的厚度在0.1巴接触压力的情况下为小于0.4mm。熔喷层的聚酯纤维的至少25％具有小于1μm的直径(d)。

具有非织造织物层和熔喷层的过滤介质

过滤介质包括具有双组分纤维的非织造织物层和包含具有小于1.8μm的平均直径(dl)的聚酯纤维的熔喷层。非织造织物层的厚度在0.1巴接触压力的情况下为小于0.4mm。熔喷层的聚酯纤维的至少25％具有小于1μm的直径(d)。

多层耐油机电合成hepa介质

一种可替代高压降玻璃微纤HEPA介质的复合介质，用于需要具有低阻力的油性气溶胶挑战的HEPA效率的应用。复合介质包含两个轻过滤层，其中的一层或两层带电，与含有相同重量材料的单层相比，材料的效率可以大大增加。复合介质包含衬垫层，为过滤层提供机械支撑。

Mit wirkstoffhaltigen mikrokapseln beaufschlagtes funktionelles textilmaterial und seine verwendung

Adsorptionsfiltermaterial mit biologischer und chemischer schutzfunktion und seine verwendung

다층, 오일-저항성, 전기-기계식 합성 헤파 매체

본 발명은 낮은 저항을 갖는 유성 에어로졸 도전을 갖는 헤파 효율이 요구되는 적용들에서의 사용을 위한 고압 강하 유리 마이크로섬유 헤파 매체들에 대한 대안적인 복합 매체에 관한 것이다. 복합 매체들은 2개의 경량 여과 층들을 함유하며, 이 경량 여과 층들 중 하나 또는 둘 모두는 하전되며, 그리고 재료의 효율은 동일한 중량의 재료를 보유하는 단일 층에 걸쳐 크게 증가될 수 있다. 복합 매체는 여과 층들에 기계적 지지를 제공하기 위해 배커 층을 함유한다.

Medio de filtro con una capa de material no tejido y una capa de material soplado por fusión

Medio de filtro que comprende una capa de material no tejido, que presenta fibras de dos componentes, y una capa de material soplado por fusión, que comprende fibras de poliéster con un diámetro promedio (d1) inferior a 1,8 μm, en donde el espesor de la capa de material no tejido es inferior a 0,4 mm con 0,1 bar de presión de apoyo, y al menos el 25 % de las fibras de poliéster de la capa de material soplado por fusión tienen un diámetro (d) inferior a 1 μm.

Filter medium having a nonwoven layer and a melt-blown layer

The invention relates to a filter medium comprising a nonwoven layer, which has bicomponent fibres, and a melt-blown layer, which comprises polyester fibres having an average diameter (d1) of less than 1.8 pm. The thickness of the nonwoven layer is less than 0.4 mm at a contact pressure of 0.1 bar. At least 25% of the polyester fibres of the melt-blown layer have a diameter (d) of less than 1 pm.

不織布層とメルトブローン層を有する濾材

濾材は、複合繊維を有する不織布層と、平均径(dl)１.８μm未満のポリエステル繊維を含むメルトブローン層とを有する。接触圧力０.１バール（１０kPa）のとき、不織布層の厚さは、０.４mm未満である。メルトブローン層のポリエステル繊維の少なくとも２５%の直径(d)は、１μm未満である。 【選択図】なし

Filter medium having a nonwoven layer and a melt-blown layer

The invention relates to a filter medium comprising a nonwoven layer, which has bicomponent fibres, and a melt-blown layer, which comprises polyester fibres having an average diameter (d1) of less than 1.8 μm. The thickness of the nonwoven layer is less than 0.4 mm at a contact pressure of 0.1 bar. At least 25% of the polyester fibres of the melt-blown layer have a diameter (d) of less than 1 μm.

Filtermedium mit einer vlieslage und einer meltblownlage

Ein Filtermedium umfasst eine Vlieslage, die Bikomponentenfasern aufweist, und eine Meltblownlage, die Polyesterfasern mit einem mittleren Durchmesser (d1) von kleiner als 1,8 µm umfasst. Die Dicke der Vlieslage ist kleiner als 0,4 mm bei 0,1 bar Auflagedruck. Mindestens 25 % der Polyesterfasern der Meltblownlage haben einen Durchmesser (d) von kleiner als 1 µm.

Feuerhemmendes filtermedium und luftfiltereinheit

Milieu filtrant resistant au feu et filtre a air

Multi-Layer Face Mask

A face mask has a first woven filter layer comprising a first yarn and a second woven filter layer comprising a second yarn. The second yarn is disposed at a non-right and non-parallel angle relative to the first yarn. The second woven filter layer is stitched to the first woven filter layer. A third woven filter layer with a third yarn can be added with the third yarn at a non-right and non-parallel angle relative to both the first yarn and second yarn.

Composite material for use in a face mask, and a face mask formed thereof

The invention relates to a composite material for use in a face mask. The composite material comprises at least one fabric layer comprising a metallic fiber material; and at least one polymer layer laminated with the at least one fabric layer to form a single composite layer; wherein the at least one polymer layer is of substantially the same shape and size as the at least one fabric layer, such that any air stream passing through the composite layer will be effectively filtered by both the at least one fabric layer and the at least one polymer layer.

Textilmaterial, beaufschlagt mit wirkstoffen mit physiologischer und/oder technischer wirkung enthaltenden mikrokapseln, und seine verwendung

Composite filtering material for making fabrics and its manufacturing process

The present invention relates to a composite filtering material (10) comprising at least one intermediate layer made of nanomaterials (11) coupled with two layers of breathable material (12,13), and in interposition therebetween (12,13), the intermediate layer (11) and the layers of breathable material (12,13) being mutually constrained by a plurality of micrometric constraints made along an overlapping surface of the layers (11,12,13), wherein the micrometric constraints have dimensions measurable in terms of a diameter of a circumference inscribing each constraint, with the diameter (d) of such a circumference being less than or equal to 0.5 mm.

難燃性フィルター濾材及びこれを用いたエアフィルターユニット

不織布層とメルトブローン層を有する濾材及び濾材を含むガスタービン

【課題】耐用年数、捕集効率、粉塵保持容量及び機械的剛性が非常に良好で、襞を形成できかつ大きい濾過面積を有する濾材を提供する。【解決手段】濾材は、複合繊維を有する不織布層と、平均径(dl)１.８μm未満のポリエステル繊維を含みかつ通気度１００l/m2秒～８００l/m2秒を有するメルトブローン層とを備える。接触圧力０.１バール（１０kPa）のとき、不織布層の厚さは、０.４mm未満である。メルトブローン層のポリエステル繊維の少なくとも２５%の直径(d)は、１μm未満である。不織布層の厚さは、０.１バール（１０kPa）の接触圧力で０.４mm未満である。【選択図】なし

Textiles Verbundmaterial mit Aktivkohlefasern und Verfahren zu seiner Herstellung

Gegenstand der Erfindung ist ein textiles Flächengebilde (1) in Form eines Verbundmaterials, insbesondere zum Schutz gegenüber biologischen und chemischen Schadstoffen und Giften, wie biologischen und chemischen Kampfstoffen, mit einer textilen Trägerschicht (2) und mit zwei Flächenstücken (3, 4) aus Aktivkohlefasern, welche auf die Trägerschicht (2) aufkaschiert sind, derart, daß sich Ränder der beiden Flächenstücke (3, 4) berühren und/oder überlappen und daß die beiden Flächenstücke (3, 4) durch die Trägerschicht (2) miteinander verbunden sind. Auf diese Weise wird eine nahtlose Verbindung von zwei oder mehr Flächenstücken aus Aktivkohlefasern zu einem verbreiterten, durchgängigen Flächengebilde aus Aktivkohlefasern ermöglicht, was eine verbesserte konfektionstechnische Ausnutzung des resultierenden Materials bei der Herstellung von Schutzmaterialien (wie z. B. Schutzanzügen, Schutzhandschuhen, Schutzschuhen, Schutzbekleidungsstücken etc.) ermöglicht.

Multi-layered structure and articles formed therefrom having improved splash resistance by increased interlayer spacing

A splash resistant multi-layered structure is provided. The structure includes a specific arrangement of layers of material and a plurality of three-dimensional spacers (302) that helps prevent penetration through the structure by a fluid that contacts an outer surface of the structure due to a state of forced separation that exists between two adjacent layers (300, 400, 802, 804, 806, 808) of the structure due to the presence of the plurality of three-dimensional spacers positioned between the layers. The plurality of three-dimensional spacers can be positioned on one of the adjacent layers (300, 802, 804, 806, 808) of the structure such that a distance (D) at least as large as the maximum height (S) of the plurality of three-dimensional spacers separates the two layers from each other and can be present on a layer of material in a continuous or discontinuous pattern or can be present on a layer of material in a random fashion. The presence of the three-dimensional spacers can reduce the basis weight or eliminate one or more layers of the structure, which, in turn, can reduce thermal resistance, lower the pressure drop across the layers of the structure, and reduce the overall weight of the structure to enhance breathability and comfort.

Prodotto tessile filtrante

口罩用片、其制造方法和具有它的口罩

本发提供口罩用片、其制造方法和具有它的口罩。口罩用片(10)具有第1纤维层(11)和第2纤维层(12)。第2纤维层(12)相比于第1纤维层(11)，对粒径超过1μm的颗粒的捕集率高、和/或平均纤维径小。第2纤维层(12)的克重为1g/m 2 以上且20g/m 2 以下。在自然状态下，第2纤维层(12)具有：向与第1纤维层(11)相对的面的相反侧的面突出的多个凸部(13)；和配置在其间的凹部(14)。在凹部(14)具有接合第2纤维层(12)和第1纤维层(11)的接合部(15)。

Filter medium having a nonwoven layer and a melt-blown layer

A filter medium is disclosed having a nonwoven layer, which has bicomponent fibres, and a melt-blown layer, which comprises polyester fibres having an average diameter (d1) of less than 1.8 μm. The thickness of the nonwoven layer is less than 0.4 mm at a contact pressure of 0.1 bar. At least 25% of the polyester fibres of the melt-blown layer have a diameter (d) of less than 1 μm.

Filterkartusche mit einem Filterkörper

Filterkartusche (105) mit einem Filterkörper (101) aufweisend zwei Gewebefilterlagen (102), wobei der Filterkörper (101) eine plissierte Form mit einer Vielzahl an Falzen (104) aufweist, und wobei die Gewebefilterlagen (102) zumindest bereichsweise vermittels einer Vielzahl untereinander beabstandeter sowie teilelastischer Klebepunkte (103) miteinander verbunden sind, dadurch gekennzeichnet,dass die Klebepunkte (103) als Matrix äquidistanter Klebepunkte (103) zwischen den Gewebefilterlagen (102) angeordnet sind, unddass der Filterkörper (101) selbststützend ausgebildet ist und in der Filterkartusche (105) frei von einem Stützkörper gehalten wird.

用于除雾器的纤维收集介质条带

一种纤维床除雾器，具有由包括非针刺的收集层的复合纤维床收集介质条带形成的纤维床。该纤维床可制造得非常薄，同时保持从穿过纤维床的气流中去除悬浮微粒的高效率。所述纤维床收集介质条带通过将元件螺旋地缠绕在除雾器上而施加在除雾器上。所述纤维床收集介质条带自身可交迭以在纤维元件自身交迭的位置处进行密封。所述纤维床收集介质条带能以不同方式应用于工作场地以用于制造纤维床除雾器。

多層耐油電気機械式合成ｈｅｐａ媒体

低抵抗の油性エアロゾルチャレンジによるHEPA効率が必要とされる用途で使用するための、大きな圧力降下がありガラスマイクロファイバーHEPA媒体に代わる複合媒体。複合媒体は、2つの軽量光濾過層を含み、その一方または両方が荷電され、材料の効率は、同じ重量の材料を含む単一層よりも大幅に増加することができる。複合媒体は、濾過層に機械的支持を提供するためのバッカー層を含む。

多层耐油机电合成hepa介质

一种可替代高压降玻璃微纤HEPA介质的复合介质，用于需要具有低阻力的油性气溶胶挑战的HEPA效率的应用。复合介质包含两个轻过滤层，其中的一层或两层带电，与含有相同重量材料的单层相比，材料的效率可以大大增加。复合介质包含衬垫层，为过滤层提供机械支撑。

Filter media comprising a polyethersulfone-based fine fiber layer

一种静电纺纳米纤维复合过滤材料及其制备方法

本发明提供了一种静电纺纳米纤维复合过滤材料及其制备方法，该复合过滤材料包括双层基材及位于双层基材中间的PVDF纳米纤维膜，所述双层基材四边形成密闭空间，所述PVDF纳米纤维膜位于封闭空间内，所述PVDF纳米纤维膜与基材粘合固定。基材为编织材料，可以为PVDF纳米纤维膜提供高强基材保护，解决纳米纤维膜强度不高的问题；将PVDF纳米纤维膜与基材粘合，可以经受3bar反吹压差；通过点式和或线式热熔胶喷涂方式，在不影响过滤面积的同时提高PVDF纳米纤维膜与基材粘合牢度；采用静电纺丝的方式制备PVDF纳米纤维膜，纤维更细，孔隙率更高；PVDF纳米纤维膜在双层基材形成的密闭空间内，不用担心纳米纤维膜在使用时破损问题，可以将制成的复合材料折叠使用。

口罩用片、其制造方法和具有它的口罩

本发提供口罩用片、其制造方法和具有它的口罩。口罩用片(10)具有第1纤维层(11)和第2纤维层(12)。第2纤维层(12)相比于第1纤维层(11)，对粒径超过1μm的颗粒的捕集率高、和/或平均纤维径小。第2纤维层(12)的克重为1g/m 2 以上且20g/m 2 以下。在自然状态下，第2纤维层(12)具有：向与第1纤维层(11)相对的面的相反侧的面突出的多个凸部(13)；和配置在其间的凹部(14)。在凹部(14)具有接合第2纤维层(12)和第1纤维层(11)的接合部(15)。

包括基于聚醚砜的细纤维的层的过滤介质

一般地描述了包含聚醚砜的过滤介质、相关部件和相关方法。

包括基于聚醚砜的细纤维的层的过滤介质

一般地描述了包含聚醚砜的过滤介质、相关部件和相关方法。

一种静电纺纳米纤维复合过滤材料及其制备方法

本发明提供了一种静电纺纳米纤维复合过滤材料及其制备方法，该复合过滤材料包括双层基材及位于双层基材中间的PVDF纳米纤维膜，所述双层基材四边形成密闭空间，所述PVDF纳米纤维膜位于封闭空间内，所述PVDF纳米纤维膜与基材粘合固定。基材为编织材料，可以为PVDF纳米纤维膜提供高强基材保护，解决纳米纤维膜强度不高的问题；将PVDF纳米纤维膜与基材粘合，可以经受3bar反吹压差；通过点式和或线式热熔胶喷涂方式，在不影响过滤面积的同时提高PVDF纳米纤维膜与基材粘合牢度；采用静电纺丝的方式制备PVDF纳米纤维膜，纤维更细，孔隙率更高；PVDF纳米纤维膜在双层基材形成的密闭空间内，不用担心纳米纤维膜在使用时破损问题，可以将制成的复合材料折叠使用。

A composite material for use in a face mask, and a face mask formed thereof

一种煤矿用煤尘回收利用设备

本发明公开了一种煤矿用煤尘回收利用设备，包括机体外壳，上安装块的左端面设有贯穿上安装块的进气通道；本发明通过振动的过滤板，收集空气中的煤矿粉尘的同时防止过滤孔堵塞，再通过转动的倾斜收集箱，使得密度较大的岩尘在离心力的作用下沿斜面爬升，达到分离煤尘和岩尘的效果，还利用煤炭粉尘具有的微弱吸附性，将收集的煤尘制成简易的过滤布，将其卷绕在皮肤裸露处，可防止有毒气体直接接触皮肤，提高了对煤矿人员的保护，在合理利用煤尘时，节约了防毒设备的成本，不仅如此还通过冷凝板吸收空气中的水汽用于过滤板的清洁，保持过滤板的过滤性，同时降低煤矿中的空气湿度。

一种基于无纺布的复合过滤层及其制备工艺

本发明公开了一种基于无纺布的复合过滤层及其制备工艺，属于无纺布技术领域，通过在内外分布的外滤布与内滤布之间对称倾斜分布多个包埋垫层,包埋垫层的左右两端均通过衔接杆与外滤布、内滤布嵌设连接，多个衔接杆均对外滤布、内滤布起到强度定位作用，多个包埋垫层将外滤布与内滤布之间所形成的空间分隔成多个用于过滤填料层填充的包埋腔，外滤布与内滤布以及分布于内部的多个包埋垫层对过滤填料层起到多空间定点包埋作用，而内部的过滤填料层则对外滤布与内滤布起到定点塑形作用，无需采用整面粘胶层对过滤填料层与外滤布、内滤布进行连接，即不影响该无纺布的复合过滤层的整体机械强度，也不会增加无纺布以及活性炭的滤阻。

具有非织造织物层和熔喷层的过滤介质

过滤介质包括具有双组分纤维的非织造织物层和包含具有小于1.8μm的平均直径(dl)的聚酯纤维的熔喷层。非织造织物层的厚度在0.1巴接触压力的情况下为小于0.4mm。熔喷层的聚酯纤维的至少25％具有小于1μm的直径(d)。

一种煤矿用煤尘回收利用设备

本发明公开了一种煤矿用煤尘回收利用设备，包括机体外壳，上安装块的左端面设有贯穿上安装块的进气通道；本发明通过振动的过滤板，收集空气中的煤矿粉尘的同时防止过滤孔堵塞，再通过转动的倾斜收集箱，使得密度较大的岩尘在离心力的作用下沿斜面爬升，达到分离煤尘和岩尘的效果，还利用煤炭粉尘具有的微弱吸附性，将收集的煤尘制成简易的过滤布，将其卷绕在皮肤裸露处，可防止有毒气体直接接触皮肤，提高了对煤矿人员的保护，在合理利用煤尘时，节约了防毒设备的成本，不仅如此还通过冷凝板吸收空气中的水汽用于过滤板的清洁，保持过滤板的过滤性，同时降低煤矿中的空气湿度。

一种基于无纺布的复合过滤层及其制备工艺

本发明公开了一种基于无纺布的复合过滤层及其制备工艺，属于无纺布技术领域，通过在内外分布的外滤布与内滤布之间对称倾斜分布多个包埋垫层,包埋垫层的左右两端均通过衔接杆与外滤布、内滤布嵌设连接，多个衔接杆均对外滤布、内滤布起到强度定位作用，多个包埋垫层将外滤布与内滤布之间所形成的空间分隔成多个用于过滤填料层填充的包埋腔，外滤布与内滤布以及分布于内部的多个包埋垫层对过滤填料层起到多空间定点包埋作用，而内部的过滤填料层则对外滤布与内滤布起到定点塑形作用，无需采用整面粘胶层对过滤填料层与外滤布、内滤布进行连接，即不影响该无纺布的复合过滤层的整体机械强度，也不会增加无纺布以及活性炭的滤阻。

Filter media for long-term high temperature applications

A filter media is generally described including an upstream layer of a nonwoven fiber having a denier between about 5.0 and 7.0 and a weight of between about 3.0 and 5.0 opsy, optionally a scrim, and a cap layer of a fiber having a denier between about 0.1 and 5.0, and a weight between about 2.0 and 4.0 opsy carried by the upstream layer and disposed downstream from the upstream layer. The upstream layer, scrim and cap layer can have a weight of about 4.0 opsy, 2.0 opsy and 3.0 opsy respectively. A downstream layer can be disposed between the upstream layer and the cap layer.