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EP1244832B1 - Method for producing woven fabrics - Google Patents

Method for producing woven fabrics Download PDF

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Publication number
EP1244832B1
EP1244832B1 EP00967755A EP00967755A EP1244832B1 EP 1244832 B1 EP1244832 B1 EP 1244832B1 EP 00967755 A EP00967755 A EP 00967755A EP 00967755 A EP00967755 A EP 00967755A EP 1244832 B1 EP1244832 B1 EP 1244832B1
Authority
EP
European Patent Office
Prior art keywords
weft
warp
shrinkage
fabric
weaving machine
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
EP00967755A
Other languages
German (de)
French (fr)
Other versions
EP1244832B8 (en
EP1244832A2 (en
Inventor
Johann Berger
Holger Saint-Denis
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.)
Global Safety Textiles GmbH
Original Assignee
Global Safety Textiles GmbH
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 Global Safety Textiles GmbH filed Critical Global Safety Textiles GmbH
Publication of EP1244832A2 publication Critical patent/EP1244832A2/en
Publication of EP1244832B1 publication Critical patent/EP1244832B1/en
Application granted granted Critical
Publication of EP1244832B8 publication Critical patent/EP1244832B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/005—Linear-shed multiphase looms
    • 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
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/567—Shapes or effects upon shrinkage
    • 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]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322—Warp differs from weft
    • 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]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322—Warp differs from weft
    • Y10T442/3228—Materials differ

Definitions

  • the present invention relates to a process for producing fabrics, in particular airbag fabrics, using a multiphase or series shed weaving machine.
  • a series weaving machine with weaving rotor which is equipped with insert and stop combs, which combs with the Einlegekarmmen to a periphery warp threads from an inviting station to a stop in the form of subjects when weft threads in the subjects fed to a weft preparation, and which strikes the recorded shots with the stop combs against the stop of the fabric formed.
  • the object is achieved by a method according to claim 1.
  • a medium to low-shrinkage yarn type is used as the weft material, the shrinkage movement during hydro- and / or thermal shrinkage at the binding points is asymmetrical in the form that, as a result, the finished fabric has symmetrical thread densities in warp and weft and consequently not only the air permeability but also the others physical properties - equal to the conventionally produced fabric - in both thread directions. From a procedural conditionally on the series weaving machine asymmetrically woven raw fabric via equipment a symmetrically constructed textile surface that meets the requirements for tightness and symmetry for airbag fabric.
  • the method according to claim 1 is advantageously developed further by using filament yarns with 8-14% hot air shrinkage and, as weft, filament yarns with 1-5% hot air shrinkage as warp.
  • filament yarns with 8-14% hot air shrinkage and, as weft, filament yarns with 1-5% hot air shrinkage as warp When using these types of yarn resulted in the final product exceptionally good uniform fabric, which are suitable for use in particular as airbag fabric.
  • the web consisting of filament threads in warp and weft is produced on a multiphase weaving machine or a multiple-threading machine according to the weaving concept which can be taken from WO 96/38 610.
  • the weft insertion takes place in series, in four successively formed sheds by air nozzles at a constant speed and thus without voltage spikes.
  • the staggered registered weft threads are guided in the weft channel by the rotor movement to the edge of the goods.
  • the sub-compartment appearing there raises the partially tied weft thread over the entire weaving width from the weft channel and is struck by the respectively following stop comb.
  • the asymmetrically woven fabric is formed according to the invention in the finishing process due to the asymmetric shrinkage processes in the final product to form a symmetrical fabric.
  • the shrinking movements taking place during the finishing at the binding points take place asymmetrically in the form that, as a result, the finished fabric has symmetrical thread densities in warp and weft, and consequently also has the other physical properties in both yarn directions in addition to the air permeability.
  • An asymmetrically woven raw fabric turns the equipment into a symmetrically constructed textile surface.
  • weft insertion efficiency is more than doubled over air weft insertion shaft weaving technology without the disadvantages of the less dense weft yarns, because the unevenness after the finishing process, as explained above, is fixed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Air Bags (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Looms (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

A method for producing woven fabrics, especially airbag woven fabrics, while using a multiphase weaving machine in the following steps: weaving a fabric comprised of filament threads in warp and weft on the multiphase weaving machine, whereby a high shrinking type of yarn is used as the warp and an average to low shrinking type of yarn is used as the weft, and finishing the woven fabric by hydroshrinking and/or thermoshrinking.

Description

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Geweben, insbesondere Airbaggeweben, unter Verwendung einer Mehrphasen- oder Reihenfachwebmaschine.The present invention relates to a process for producing fabrics, in particular airbag fabrics, using a multiphase or series shed weaving machine.

Aus der WO 96/38 610 ist beispielsweise eine Reihenfachwebmaschine mit Webrotor bekannt, der mit Einlage und Anschlagkämmen bestückt ist, der mit den Einlegekämmen an eine Peripherie Kettfäden von einer Einladestation bis zu einem Anschlag in Form von Fächern durchkämmt, wenn in die Fächer Schußfäden aus einer Schußfadenaufbereitung eingespeist werden, und der mit den Anschlagkämmen die eingetragenen Schüsse an den Anschlag des gebildeten Gewebes anschlägt. Mit dieser Technologie läßt sich eine besonders gleichmäßige Einbindung der beiden Fadensysteme Kette und Schuß erreichen. Dadurch können die physikalischen Gewebeeigenschaften über die Breite einer Gewebebahn vergleichmäßigt werden und es entsteht keil. Links-Mitte-Rechts-Effekt.From WO 96/38 610, for example, a series weaving machine with weaving rotor is known, which is equipped with insert and stop combs, which combs with the Einlegekämmen to a periphery warp threads from an inviting station to a stop in the form of subjects when weft threads in the subjects fed to a weft preparation, and which strikes the recorded shots with the stop combs against the stop of the fabric formed. With this technology, a particularly uniform integration of the two thread systems chain and weft can be achieved. As a result, the physical tissue properties across the width of a fabric web can be made uniform and it results in wedge. Left-center-right effect.

Mit dem gleichzeitigen Eintrag von beispielsweise bis zu vier Schußfäden ergibt sich eine sehr hohe Schußeintragsleistung von bis zu 5000 Metern pro Minute. Damit läßt sich zwar in äußerst hoher Geschwindigkeit wirtschaftlich weben. Verfahrenstechnisch bedingt ergibt sich jedoch bei dem auf einer Reihenfachwebmaschine hergestellten Material ein mechanisch weniger dicht geschlagenes Gewebe.With the simultaneous entry of, for example, up to four wefts results in a very high weft insertion rate of up to 5000 meters per minute. Although it can be economically weaving at extremely high speed. However, due to technical reasons, the material produced on a series shed weaving machine results in a mechanically less dense weave.

Es ist deshalb eine Aufgabe der Erfindung, ein Verfahren zur Herstellung von Geweben unter Verwendung einer Mehrphasen- oder Reihenfachwebmaschine vorzuschlagen, die vom Dichtigkeitsgrad für die Verwendung als Airbaggewebe geeignet sind.It is therefore an object of the invention to propose a process for producing fabrics using a multiphase or series shed weaving machine that is suitable for use as an airbag fabric of degree of tightness.

Die Aufgabe wird gelöst mit einem Verfahren gemäß Anspruch 1. Dadurch ergibt sich der Vorteil, daß mit dem Einsatz einer hochschrumpfenden Garntype in Kettrichtung beim Ausrüstprozeß durch Hydro- und/oder Thermoschrumpfen die Schußdichte gleichsam erhöht wird. Wenn als Schußmaterial eine mittel- bis niedrigschrumpfende Garntype eingesetzt wird, erfolgt die Schrumpfbewegung beim Hydro- und/oder Thermoschrumpfen an den Bindungspunkten asymmetrisch in der Form, daß im Ergebnis das Fertiggewebe symmetrische Fadendichten in Kette und Schuß aufweist und demzufolge neben der Luftdurchlässigkeit auch die übrigen physikalischen Eigenschaften - gleich dem konventionell hergestellten Gewebe - in beiden Fadenrichtungen aufweist. Aus einem verfahrenstechnisch bedingt auf der Reihenfachwebmaschine asymmetrisch gewebten Rohgewebe wird via Ausrüstung eine symmetrisch konstruierte Textilfläche, die die Anforderungen an Dichtigkeit und Symmetrie für Airbaggewebe erfüllt.The object is achieved by a method according to claim 1. This results in the advantage that with the use of a highly shrinking yarn type in the warp direction in the finishing process by hydro and / or thermal shrinkage, the weft density is increased as it were. If a medium to low-shrinkage yarn type is used as the weft material, the shrinkage movement during hydro- and / or thermal shrinkage at the binding points is asymmetrical in the form that, as a result, the finished fabric has symmetrical thread densities in warp and weft and consequently not only the air permeability but also the others physical properties - equal to the conventionally produced fabric - in both thread directions. From a procedural conditionally on the series weaving machine asymmetrically woven raw fabric via equipment a symmetrically constructed textile surface that meets the requirements for tightness and symmetry for airbag fabric.

Das Verfahren nach Anspruch 1 wird dadurch vorteilhaft weitergebildet, daß als Kette Filamentgarne mit 8 - 14 % Heißluftschrumpf und als Schuß Filamentgarne mit 1 - 5 % Heißluftschrumpf verwendet werden. Bei Einsatz dieser Garntypen ergab sich im Endprodukt außerordentlich gute gleichmäßige Gewebe, die zur Verwendung insbesondere als Airbaggewebe geeignet sind.The method according to claim 1 is advantageously developed further by using filament yarns with 8-14% hot air shrinkage and, as weft, filament yarns with 1-5% hot air shrinkage as warp. When using these types of yarn resulted in the final product exceptionally good uniform fabric, which are suitable for use in particular as airbag fabric.

Zum besseren Verständnis der Erfindung wird im Folgenden das Herstellungsverfahren beispielhaft erläutert.For a better understanding of the invention, the manufacturing method will be explained below by way of example.

Das in Kette und Schuß aus Filamentfäden bestehende Gewebe wird nach dem aus der WO 96/38 610 entnehmbaren Webkonzept auf einer Mehrphasenweb- oder Reihenfachmaschine hergestellt.The web consisting of filament threads in warp and weft is produced on a multiphase weaving machine or a multiple-threading machine according to the weaving concept which can be taken from WO 96/38 610.

Der Schußeintrag erfolgt in Reihe, in vier hintereinander gebildeten Webfächern durch Luftdüsen bei gleichbleibender Geschwindigkeit und damit ohne Spannungsspitzen. Die gestaffelt eingetragenen Schußfäden werden im Schußkanal durch die Rotorbewegung an den Warenrand geführt. Das dort auftauchende Unterfach hebt den teilweise eingebundenen Schußfaden über die gesamte Webbreite aus dem Schußkanal und wird von dem jeweils nachfolgenden Anschlagkamm angeschlagen. Um die im Endprodukt geforderte Dichte zu erreichen, wird erfindungsgemäß vorgeschlagen, aus der Kombination von Hydro- und Thermoschrumpf während der Ausrüstung in Kombination mit einer gezielten Auswahl von Kette und Schuß eine zum Einsatz als Airbaggewebe geeignete Gewebequalität zu erhalten.The weft insertion takes place in series, in four successively formed sheds by air nozzles at a constant speed and thus without voltage spikes. The staggered registered weft threads are guided in the weft channel by the rotor movement to the edge of the goods. The sub-compartment appearing there raises the partially tied weft thread over the entire weaving width from the weft channel and is struck by the respectively following stop comb. In order to achieve the density required in the end product, it is proposed according to the invention to obtain from the combination of hydro- and thermal shrinkage during the equipment in combination with a specific selection of warp and weft a fabric quality suitable for use as airbag fabric.

Durch gesteuerte Auswahl einer hochschrumpfenden Garntype in Kettrichtung und einer mittel- bis niedrigschrumpfenden Garntype in Schußrichtung wird erfindungsgemäß das asymmetrisch gewebte Gewebe beim Ausrüstprozeß aufgrund der asymmetrisch erfolgenden Schrumpfungsvorgänge im Endprodukt zu einem symmetrischen Gewebe gebildet. Die beim Ausrüsten stattfindenden Schrumpfbewegungen an den Bindungspunkten erfolgen in der Form asymmetrisch, daß im Ergebnis das Fertiggewebe symmetrische Fadendichten in Kette und Schuß aufweist, und demzufolge neben der Luftdurchlässigkeit auch die übrigen physikalischen Eigenschaften in beiden Fadenrichtungen aufweist. Aus einem asymmetrisch gewebten Rohgewebe wird bei der Ausrüstung eine symmetrisch konstruierte textile Fläche. Es wird vorteilhafterweise, ohne die mechanisch-physikalen Grenzen der Garnbeanspruchung (Reißkraft) zu überschreiten, die Schußeintragsleistung gegenüber der Schaftwebtechnologie mit Luftdüsenschußeintrag mehr als verdoppelt, ohne die hier verfahrenstechnisch bedingten Nachteile der weniger dicht geschlagenen Schußfäden zu beinhalten, da die Ungleichmäßigkeit nach dem Ausrüstprozeß, wie oben erläutert, behoben ist.By controlled selection of a high-shrinkage yarn type in the warp direction and a medium to low-shrinkage yarn type in the weft direction, the asymmetrically woven fabric is formed according to the invention in the finishing process due to the asymmetric shrinkage processes in the final product to form a symmetrical fabric. The shrinking movements taking place during the finishing at the binding points take place asymmetrically in the form that, as a result, the finished fabric has symmetrical thread densities in warp and weft, and consequently also has the other physical properties in both yarn directions in addition to the air permeability. An asymmetrically woven raw fabric turns the equipment into a symmetrically constructed textile surface. Advantageously, without exceeding the mechanical-physical limits of yarn load (tearing force), weft insertion efficiency is more than doubled over air weft insertion shaft weaving technology without the disadvantages of the less dense weft yarns, because the unevenness after the finishing process, as explained above, is fixed.

Zusammengefaßt läßt sich mit dem erfindungsgemäßen Verfahren auch auf einer modernen Reihenfachwebmaschine gleichmäßiges, insbesondere für Airbags einsetzbares, Gewebe herstellen - und dies bei voller Ausnutzung der durch das Reihenfachwebverfahren möglichen Vorteile.In summary, can be with the inventive method even on a modern Reihenfachwebmaschine uniform, especially for airbags deployable, fabric - and this with full utilization of the possible by the Reihenfachwebverfahren advantages.

Claims (2)

  1. A method of producing wovens, particularly air bag wovens, employing a multiphase weaving machine, comprising the steps:
    a) weaving a woven consisting of filament threads in warp and weft on said multiphase weaving machine, a high-shrinkage yarn type being employed as the warp and a medium- to low-shrinkage yam type being employed as the weft,
    b) finishing said woven by hydro- and/or thermoshrinking.
  2. The method as set forth in claim 1, characterized in that, filament yarns with 8 - 14% hot air shrinkage are used as the warp and filament yarns with 1 - 5% hot air shrinkage are used as the weft.
EP00967755A 1999-09-24 2000-09-22 Method for producing woven fabrics Expired - Lifetime EP1244832B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19945880 1999-09-24
DE19945880A DE19945880A1 (en) 1999-09-24 1999-09-24 Process for the production of fabrics
PCT/EP2000/009300 WO2001021869A2 (en) 1999-09-24 2000-09-22 Method for producing woven fabrics

Publications (3)

Publication Number Publication Date
EP1244832A2 EP1244832A2 (en) 2002-10-02
EP1244832B1 true EP1244832B1 (en) 2006-12-06
EP1244832B8 EP1244832B8 (en) 2007-04-18

Family

ID=7923222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00967755A Expired - Lifetime EP1244832B8 (en) 1999-09-24 2000-09-22 Method for producing woven fabrics

Country Status (13)

Country Link
US (1) US6866068B2 (en)
EP (1) EP1244832B8 (en)
JP (1) JP2003510468A (en)
CN (1) CN1218075C (en)
AT (1) ATE347631T1 (en)
AU (1) AU7780800A (en)
CA (1) CA2384921A1 (en)
CZ (1) CZ2002963A3 (en)
DE (2) DE19945880A1 (en)
ES (1) ES2275554T3 (en)
PL (1) PL354324A1 (en)
PT (1) PT1244832E (en)
WO (1) WO2001021869A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2569470A4 (en) * 2010-05-13 2014-03-26 Otis Elevator Co Method of making a woven fabric having a desired spacing between tension members

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US20050161919A1 (en) * 2002-06-04 2005-07-28 Johann Berger Airbag and method of producing an airbag
DE10255360A1 (en) * 2002-11-27 2004-06-17 Johann Berger Method of making a woven webbing
DE10309260A1 (en) 2003-03-03 2004-09-16 Berger Gmbh Process for producing a fabric and heald, in particular for use here
DE10326757A1 (en) * 2003-06-13 2005-01-13 Bst Berger Safety Textiles Gmbh & Co. Kg Method for producing an airbag
DE10344334A1 (en) * 2003-09-24 2005-04-28 Johann Berger Woven webbing
JP2005105437A (en) * 2003-09-29 2005-04-21 Asahi Kasei Fibers Corp Circular-weaving ground fabric for air bag
DE102005002962A1 (en) * 2005-01-21 2006-08-03 Bst Safety Textiles Gmbh Occupant restraint system
PL1728904T3 (en) * 2005-06-02 2007-12-31 Polyamide High Performance Gmbh Fabric for airbags
DE102005061351A1 (en) * 2005-12-21 2007-07-05 Bst Safety Textiles Gmbh Production method for woven fabric of air bag of personnel restraint system in motor vehicles, involves preparing warp thread sheet of different yarn qualities with warp thread
DE102006021082A1 (en) * 2006-05-05 2007-11-15 Bst Safety Textiles Gmbh Suture construction for a tissue
CN101608370B (en) * 2008-06-17 2013-04-24 东丽纤维研究所（中国）有限公司 Fabric for air bag and production method thereof
WO2014051049A1 (en) * 2012-09-27 2014-04-03 東レ株式会社 Woven fabric and process for producing same
CN204342979U (en) * 2014-09-02 2015-05-20 宋海燕 The plastic woven cloth of a kind of local braiding encryption

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JP2944220B2 (en) * 1993-10-13 1999-08-30 帝人株式会社 Fabric for high-performance airbag and method for producing the same
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2569470A4 (en) * 2010-05-13 2014-03-26 Otis Elevator Co Method of making a woven fabric having a desired spacing between tension members

Also Published As

Publication number Publication date
WO2001021869A2 (en) 2001-03-29
US20020152594A1 (en) 2002-10-24
JP2003510468A (en) 2003-03-18
DE50013842D1 (en) 2007-01-18
PT1244832E (en) 2007-02-28
CZ2002963A3 (en) 2002-08-14
CA2384921A1 (en) 2001-03-29
CN1376220A (en) 2002-10-23
US6866068B2 (en) 2005-03-15
ATE347631T1 (en) 2006-12-15
ES2275554T3 (en) 2007-06-16
AU7780800A (en) 2001-04-24
WO2001021869A3 (en) 2001-10-18
EP1244832B8 (en) 2007-04-18
CN1218075C (en) 2005-09-07
EP1244832A2 (en) 2002-10-02
PL354324A1 (en) 2004-01-12
DE19945880A1 (en) 2001-03-29

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