EP0953072B1 - Tissus techniques pour airbags - Google Patents

Tissus techniques pour airbags Download PDF

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Publication number
EP0953072B1
EP0953072B1 EP98900067A EP98900067A EP0953072B1 EP 0953072 B1 EP0953072 B1 EP 0953072B1 EP 98900067 A EP98900067 A EP 98900067A EP 98900067 A EP98900067 A EP 98900067A EP 0953072 B1 EP0953072 B1 EP 0953072B1
Authority
EP
European Patent Office
Prior art keywords
filaments
yarn
coarse
dtex
filament
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98900067A
Other languages
German (de)
English (en)
Other versions
EP0953072A1 (fr
Inventor
Rémi LALONDE
Franz Hurschler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExNex AG
Original Assignee
Rhodia Industrial Yarns AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhodia Industrial Yarns AG filed Critical Rhodia Industrial Yarns AG
Publication of EP0953072A1 publication Critical patent/EP0953072A1/fr
Application granted granted Critical
Publication of EP0953072B1 publication Critical patent/EP0953072B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/02—Inflatable articles
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/446—Yarns or threads for use in automotive applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition

Definitions

  • the present invention relates to fabrics for airbags, consisting of a filament yarn containing coarse and fine thermoplastic Filaments with a total titer between 30 and 1000 dtex and a process for producing the filament yarn.
  • filament yarns are made from polyamides or Polyesters with a total titer between about 50-750 denier (56-830 dtex) used (JP-A-01-104848).
  • Such Yarns can also be made from blends of different raw materials consist.
  • To reduce air permeability went different ways. So there is a way in Coating the fabric with an elastomer. Such Tissues are usually stiff, heavy and expensive manufacture. Because of the high manufacturing costs, the reduced foldability and limited recyclability this solution is not very suitable proved.
  • Another way was in the making of uncoated fabrics in a denser weave and / or adapted finishing methods are proposed. In terms of foldability and weight, however, these fabrics were not satisfying.
  • the air permeability can be also improve by calendering the fabrics, but with the disadvantage of additional procedural steps and impairment mechanical properties such as strength and tear resistance in warp and weft directions.
  • the production of a mixed title yarn with a Total titer from 50 to 800 dtex is also from EP-A-0 022 065 known.
  • Using a spinneret different holes for coarse and fine filaments produced yarn is false twist textured and should have a so-called spun-like effect. It is for loose textile applications are provided. It consists of a core filament group with a coarser titer and a sheath filament group with a finer titer, the um the core group is put around and a maximum of two other filaments with a single titer between 4.0 and 10 dtex.
  • the spun-like yarn is used to manufacture Fabrics with low air permeability and good Tear resistance not suitable.
  • a fabric for airbags is made of homogeneous Polyamide filaments known, the threads of which have a total titer between 200 and 600 dtex with a fibril titer of 4.8 dtex maximum.
  • this titer already considered too high, although the strength would be achieved, but the obtained high stiffness leads to poor foldability.
  • the object of the invention is to provide a fabric places that have low air permeability, is light and smooth and yet an improved one Tear strength, in particular improved tear resistance, having.
  • Another task is a method for To provide manufacture of the filament yarn.
  • this object is achieved in that the coarse filaments of the filament yarn a single titer from 5 to 14 dtex, in particular from 5.5 to 8 dtex, preferably 6 to 8 dtex and the fine filaments one Individual titers from 1.5 to 5 dtex, in particular 2.5 to 4 dtex, preferably 3 to 4 dtex.
  • the coarse filaments help to improve the Tear strength and thus the tear resistance.
  • the fine filaments guarantee good foldability and thus a lower bending stiffness and thus one better softness and smoothness. These advantages, especially softness and smoothness result in both uncoated and coated Tissues better foldability.
  • the mix of coarse and fine filaments contribute to a deeper one Air permeability due to the arrangement of the individual filaments in the tissue. With lighter fabrics, at the same time better seam strength achieved thanks to the blocking effect of the individual filaments or the yarn structures, like trilobal or other multilobal Designs. Thanks to the high coverage of the fine Single filaments can have lower thread counts in the fabric are worked with a consistently high tear strength / tear strength.
  • the blended yarn is produced by melt spinning through spinnerets in which the holes for the coarse filaments and for the fine filaments are arranged alternately. This has the advantage that a mixture of the coarse with the fine filaments takes place before the swirling. Usually a uniform polymer is used.
  • Fig. 1 is a filament Filament bundle shown in cross section.
  • the single ones Filaments 1 have the same round diameter.
  • Fig. 2 is a bundle of coarse filaments 1 'and fine filaments 2 shown.
  • the filaments 1 ', 2 lie distributed over the entire cross-sectional area.
  • Fig. 3 is a bundle of coarse filaments 3 and fine filaments 2 'shown.
  • the coarse filaments can be trilobal or multilobal.
  • FIG. 4 is a top view of the exit side Spinneret plate 10 shown. With 11 and 11 'is one Coarse filament hole; with 12 and 12 'is one Hole designated for fine filaments.
  • the label 11 or 12 stands for a row or a whole bundle or a group of similar holes. Essential is the alternation, which ensures good mixing of the coarse and fine filaments in the yarn is achieved.
  • FIG. 5 shows a variant of the arrangement of the bores with a right side of a spinneret plate 100 and a left side of the spinneret plate 100 'to for example two-end spiders, shown in FIG. 4.
  • the invention is based on an example (No. 3) and two comparative examples (No. 1 and No. 2) further are explained.
  • the spinning and stretching conditions were the same in all examples.
  • the results are in Table 1 summarized.
  • the fabrics according to the invention are particularly suitable for Airbags. But you can also use it as a fabric for filters, Sails, parachutes and paragliders for use reach.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Air Bags (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)

Claims (5)

  1. Tissus pour airbag réalisés à partir d'un fil filamentaire contenant à la fois de fins et de gros filaments thermoplastiques et ayant un titre global compris entre 30 et 1000 dtex, caractérisés en ce que les gros filaments du fil filamentaire possèdent un titre unitaire de 5 à 14 dtex et les fins filaments un titre unitaire de 1,5 à 5 dtex.
  2. Tissus selon la revendication 1, caractérisés en ce que les gros filaments et les fins filaments du fil sont mélangés dans un rapport de 1:1 à 1:5.
  3. Tissus selon la revendication 1, caractérisés en ce que les filaments se composent d'un polyamide, d'un polyester ou d'un polypropylène.
  4. Tissus selon la revendication 1, caractérisés en ce que les multifilaments sont entremêlés par jet d'air à hauteur de 5-40 noeuds par mètre.
  5. Procédé pour la fabrication du fil filamentaire pour les tissus conformément aux revendications 1-4, caractérisé par l'utilisation de filières pour lesquelles les perçages (11) pour les gros filaments sont positionnés en alternance avec les perçages (12) pour les fins filaments.
EP98900067A 1997-01-20 1998-01-12 Tissus techniques pour airbags Expired - Lifetime EP0953072B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH9897 1997-01-20
CH9897 1997-01-20
PCT/CH1998/000009 WO1998031854A1 (fr) 1997-01-20 1998-01-12 Tissus techniques pour airbags

Publications (2)

Publication Number Publication Date
EP0953072A1 EP0953072A1 (fr) 1999-11-03
EP0953072B1 true EP0953072B1 (fr) 2002-06-19

Family

ID=4179207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98900067A Expired - Lifetime EP0953072B1 (fr) 1997-01-20 1998-01-12 Tissus techniques pour airbags

Country Status (17)

Country Link
US (1) US6153545A (fr)
EP (1) EP0953072B1 (fr)
JP (1) JP2001507410A (fr)
KR (1) KR100493342B1 (fr)
CN (1) CN1094159C (fr)
AR (1) AR010847A1 (fr)
AT (1) ATE219531T1 (fr)
BR (1) BR9806919A (fr)
DE (1) DE59804507D1 (fr)
DK (1) DK0953072T3 (fr)
ES (1) ES2178138T3 (fr)
HK (1) HK1025135A1 (fr)
ID (1) ID21898A (fr)
PT (1) PT953072E (fr)
SK (1) SK285269B6 (fr)
TR (1) TR199901744T2 (fr)
WO (1) WO1998031854A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357520B (en) 1999-12-21 2004-04-28 Du Pont Airbag fabrics made from high denier per filament yarns
DE20100650U1 (de) 2001-01-15 2001-05-23 Trw Repa Gmbh Textiles Gewebe
EP1357207B1 (fr) * 2002-04-24 2009-11-18 Polyamide High Performance GmbH Fil à haute tenacité avec filaments profilés
DE202005008939U1 (de) * 2005-06-07 2005-08-04 Trw Automotive Safety Systems Gmbh Gassack
US20080095875A1 (en) * 2006-10-10 2008-04-24 Serge Rebouillat Spinnerets for making cut-resistant yarns
US7638193B1 (en) * 2006-10-10 2009-12-29 E. I. Du Pont De Nemours And Company Cut-resistant yarns and method of manufacture
KR20080074019A (ko) * 2007-02-07 2008-08-12 주식회사 코오롱 관형 편물 및 그를 이용한 복합 중공사막
CN101608371B (zh) * 2008-06-17 2012-05-23 东丽纤维研究所（中国）有限公司 一种气囊用织物
CN102199827A (zh) * 2010-03-25 2011-09-28 东丽纤维研究所（中国）有限公司 一种气囊用织物
EP2692919A4 (fr) * 2011-03-31 2014-09-03 Kolon Inc Tissu en polyester et son procédé de fabrication
CN103835047B (zh) * 2012-11-27 2016-05-25 东丽纤维研究所（中国）有限公司 一种防风透湿织物
CN103233311B (zh) * 2013-04-18 2015-03-11 可隆（南京）特种纺织品有限公司 一种荷叶边少的气囊用织物及其生产方法
CN104831440A (zh) * 2015-05-15 2015-08-12 苏州龙杰特种纤维股份有限公司 一种高弹力记忆型复合纤维
DE102016009570A1 (de) * 2016-08-05 2018-02-08 Texticord Steinfort S.A. Verstärkungsmaterial für Gummianordnungen, insbesondere in Form einer Reifencordkonstruktion und Verfahren zu seiner Herstellung
CN108528380A (zh) * 2017-03-03 2018-09-14 Ihc有限公司 接缝密封帘式气囊垫
CN107263969A (zh) * 2017-05-02 2017-10-20 扬州纪元纺织有限公司 一种制备降落伞专用格子布的方法
CN106984097A (zh) * 2017-05-24 2017-07-28 上海创治环境科技有限公司 一种多丝径纳米级pp熔喷过滤材料和用于制造该材料的喷丝板
CN107380114A (zh) * 2017-06-05 2017-11-24 柳州市御朗机械制造有限公司 安全气囊
CN108048981A (zh) * 2018-02-05 2018-05-18 张家港市隆利氨纶纱线厂 一种低、无捻棉锦、涤双包芯股线
US11306419B2 (en) 2019-11-18 2022-04-19 Dongguan Shichang Metals Factory Ltd. Woven fabric

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US5146738A (en) * 1987-05-15 1992-09-15 Amann Und Sohne Gmbh & Co. Thread having looped effect yarn intermingled with multi-filament core yarn
DE8710538U1 (de) * 1987-07-23 1987-10-22 Niederrheinische Leinenweberei Carl Billmann & Söhne, 5144 Wegberg Garn zur Herstellung von technischen Geweben, insbesondere Säureschutzgeweben
JPH01104848A (ja) * 1987-10-16 1989-04-21 Asahi Chem Ind Co Ltd エアーバッグ用基布
DE3834139A1 (de) * 1988-10-07 1990-04-19 Hoechst Ag Zweikomponenten-schlingennaehgarn und verfahren zu seiner herstellung
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EP0501295B1 (fr) * 1991-02-26 1996-11-27 Akzo Nobel N.V. Tissu non-enduit pour la production de coussins gonflables
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JPH08199449A (ja) * 1995-01-12 1996-08-06 Toray Ind Inc ノンコートエアバッグ用基布およびエアバッグ

Also Published As

Publication number Publication date
CN1242807A (zh) 2000-01-26
US6153545A (en) 2000-11-28
ATE219531T1 (de) 2002-07-15
SK96199A3 (en) 2000-02-14
WO1998031854A1 (fr) 1998-07-23
HK1025135A1 (en) 2000-11-03
TR199901744T2 (xx) 2000-10-23
KR20000070286A (ko) 2000-11-25
SK285269B6 (sk) 2006-10-05
BR9806919A (pt) 2000-04-18
KR100493342B1 (ko) 2005-06-02
CN1094159C (zh) 2002-11-13
ID21898A (id) 1999-08-12
ES2178138T3 (es) 2002-12-16
DE59804507D1 (de) 2002-07-25
JP2001507410A (ja) 2001-06-05
AR010847A1 (es) 2000-07-12
DK0953072T3 (da) 2002-10-14
EP0953072A1 (fr) 1999-11-03
PT953072E (pt) 2002-11-29

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