EP1373617B1 - Verstärktes gewebe - Google Patents

Verstärktes gewebe Download PDF

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Publication number
EP1373617B1
EP1373617B1 EP02722385A EP02722385A EP1373617B1 EP 1373617 B1 EP1373617 B1 EP 1373617B1 EP 02722385 A EP02722385 A EP 02722385A EP 02722385 A EP02722385 A EP 02722385A EP 1373617 B1 EP1373617 B1 EP 1373617B1
Authority
EP
European Patent Office
Prior art keywords
threads
fabric
reinforcing
warp
weft
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
EP02722385A
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English (en)
French (fr)
Other versions
EP1373617A2 (de
Inventor
Frédérique FAVIER
Jean-Pol Kahn
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.)
Europrotect France SA
Original Assignee
Europrotect France SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8861725&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1373617(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Europrotect France SA filed Critical Europrotect France SA
Publication of EP1373617A2 publication Critical patent/EP1373617A2/de
Application granted granted Critical
Publication of EP1373617B1 publication Critical patent/EP1373617B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides

Definitions

  • the present invention relates to a reinforced fabric. It may in particular be a fabric used in an individual protective clothing, especially a thermal protection fabric for the production of clothing used by firefighters, or a fabric used in the case of risk environments, for mechanical, chemical, electrical arc protection, in the case of an explosive atmosphere.
  • PPE personal protective equipment
  • fireproof textiles for firefighters are found for which thermal performance (resistance to radiant and convective heat, thermal stability, flammability test, etc.) is measured, as well as mechanical performance. antistatic, water-repellent ...
  • thermal performance resistance to radiant and convective heat, thermal stability, flammability test, etc.
  • mechanical performance antistatic, water-repellent
  • protective clothing used for welding operations that must have characteristics of non-flammability, primed tear resistance and resistance to small projections of molten metals.
  • mechanical performance tensile and tear strength
  • thermal performance or mechanical and chemical performance, or mechanical and antistatic.
  • Personal protective equipment textiles currently on the market use different types of raw materials ranging from flame-retardant treated cottons to aramids and other latest-generation fibers or filaments.
  • the choice of the raw material determines the type of protection of the finished textile, its level of performance, its maintenance method, its price level and its lifetime.
  • One of the means for improving the lacerations of a fabric is to use a weave known as RIP STOP, which consists of regularly doubling a warp and weft a thread, so as to block the propagation of the tear.
  • RIP STOP a weave known as RIP STOP
  • Such armor makes it possible to increase by 30% the values of initiated rips.
  • the disadvantage of using such armor is the fact of obtaining a fabric with a certain relief on the front face which causes premature wear of these lined yarns and therefore less abrasion resistance than in the case of a smoother weave like a canvas or a twill.
  • a RIP STOP armor always gives a more pronounced appearance that can be harmful to use, unlike armor smoother as sergeants.
  • One of the ways to increase the mechanical strength of a fabric is to use a "core wire” technology wire or equivalent where the mechanically strongest raw material is placed in the core of the wire and is covered by one or more other less mechanically resistant raw materials but which provide the coloristic, antistatic properties of the final thread as well as the effective protection of this core with respect to UV, abrasion and aggressions related to the maintenance of clothing.
  • fabrics made with this type of yarn use a medium fineness yarn - Nm 45/2 - compared to fabrics made of Nomex Delta TA ® (intimate blend of meta and para aramid) made with a finer yarn - nm 55/2 - which allow to obtain, equivalent weight of fabric, more effective heat shield, since the surface of the Nomex Delta TA ® is more closed.
  • a fabric made from a yarn technology intimate mixture as Nomex Delta TA ® (75% meta-aramid, 23% para-aramid, 2% antistatic) has lower mechanical performance as core spun mentioned above.
  • Another way to improve the mechanical performance of a textile is to insert a wire with high mechanical performance regularly in one and / or the other direction of the textile, without changing the construction of the textile.
  • a wire with high mechanical performance regularly in one and / or the other direction of the textile, without changing the construction of the textile.
  • this thread may have the disadvantage of bleaching with use and with successive washings, giving a surface appearance of the aged, non-uniform and whitish textile.
  • a conductive or antistatic material intimately mixed with the other materials constituting the textile; this mixture may be uniform in low proportion throughout the textile or more regularly concentrated on some son of both directions. In both cases, depending on the antistatic material used, it appears more or less on the surface of the textile giving a mottled appearance or a more or less marked grid or scratch effect which may be a disadvantage especially in the case of colors. clear. Only a core wire technology with an antistatic core and a cover in another material allows for a uniform textile in colors; the disadvantage, as stated above, is the high cost of such a wire.
  • the object of the invention is to propose a textile for which we have improved, combined and added certain performances, with a view to to optimize its aptitude for a technical use and this, without aesthetically changing one of its faces, while maintaining its textile properties.
  • the thermal protection fabric that it concerns comprising, on its front face, armor of warp threads in a direction and weft threads in the perpendicular direction or mesh-type armor, is characterized in that it comprises, on its rear face, a reinforcing grid made up of warp and weft threads made of a material having different properties, such as higher mechanical properties than those producing the threads of the front face, the reinforcing grid being linked to the front face by its warp and weft son, the warp and weft threads being fixed on the front face at different points and crossing to the outside of the bottom fabric forming the front face .
  • the reinforcing threads belonging to the reinforcing grid are punctually bonded to the front face, and intersect by creating super-thicknesses that trap a layer of air participating in better thermal insulation of the fabric. This is particularly important when the fabric is used for making a garment for firefighters, the various materials used being then made of non-fire and non-fuse materials.
  • the reinforcing grid is bonded to the base fabric during the manufacture thereof.
  • the reinforcing grid is formed by a cross-type of canvas reinforcement son arranged in warp and weft.
  • the different threads in the two directions are combined so as to form a complex weave of the canvas, twill or satin type, such that the front or outer face of the fabric is composed essentially of the bottom threads and the inner face of the reinforcing threads.
  • cross threads for example twill, give a surface appearance similar in every way to a standard twill fabric (weight and identical construction) that would not have this grid. Thus, the characteristics of the appearance of the outer surface will be retained.
  • This construction makes it possible to obtain a good resistance to abrasion of the outer face, an excellent preservation of the appearance after washing, a better printability due to the good fastness to friction compared to a rip stop armor.
  • the reinforcing son may, for example, be made of a material having mechanical performance superior to that of the material of the ground wire.
  • An interesting construction aims to bind the reinforcing son in the bottom twill regularly, so as to provide a considerable improvement in breaking strengths and initiated tears, the dimensional stability of the fabric, and also to increase its resistance to breakage open (opening the fabric after prolonged exposure to a flame) or flash caused by an electric arc.
  • This type of construction therefore makes it possible to produce fabrics that are much more resistant to identical weights. It is also possible to build textiles of lighter weight and therefore more comfortable for mechanical characteristics equivalent to a structure without reinforcement grid.
  • the reinforcing threads are not bound in the bottom, they form small warp and weft floats that intersect perpendicularly creating over-thickness at each cross, these over-thicknesses participating in the thermal insulation of the tissue.
  • this grid effect makes it possible to increase the thickness of the fabric, a thickness all the more important that the floats of the reinforcing threads cross perpendicularly on the rear face forming a multitude of small crosses or small points which constantly maintain a layer of air in this network.
  • the reinforcing grid also makes it possible to provide additional performance to the fabric such as antistaticity or conductivity.
  • additional performance such as antistaticity or conductivity.
  • the advantage of placing conductive wires in the rear face makes it possible to maintain a uniform surface appearance in color while providing electrical properties.
  • the reinforcing son form on the rear face floats of about 2 millimeters which intersect perpendicularly forming a small raised point directed towards the rear of the fabric. This increase in thickness of the fabric makes it possible to obtain improved thermal results compared to a closed fabric of identical weight without a grid.
  • This reinforcing grid also makes it possible to increase very significantly the tensile strengths and the tearing of the fabric.
  • the values obtained were compared with those of a fabric 100% Nomex Delta C ® of identical weight and construction but without reinforcement grid, and a gain of at least 40% was measured for the tensile strengths and at least 150% for primed tears.
  • this article has been tested up to 25 wash cycles and tumbler drying to verify appearance retention; the result is extremely satisfactory since no fibrillation and no whitish appearance of the surface have been observed.
  • Figure 1 is a view of a piece of cloth seen from the inside that is to say the side of the reinforcing grid;
  • Figure 2 is a cross-sectional view, perpendicular to the weft son, along the line II-II of Figure 1.
  • the drawing shows a fabric having warp armor in a direction and a weave of weft yarns in the perpendicular direction.
  • the warp threads are designated by the reference 2 and the weft threads by the reference 3.
  • This fabric comprises on its rear face a reinforcing grid composed of warp threads 4 and weft threads 5.
  • the warp yarns and the weft yarns are bonded on the front face of the fabric at different points and intersect at points 6 outside the bottom fabric forming the front face. It is apparent from Figure 2 that in some locations, there are 4 layers of son superposed, forming a multitude of small points that define a network maintaining an air layer promoting thermal insulation provided by the fabric.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)

Claims (9)

  1. Verstärktes Gewebe, auf seiner Vorderseite eine Bindung aus Kettfäden (2) in einer Richtung und Schussfäden (3) in der senkrechten Richtung oder eine maschenartige Bindung umfassend und mit einem Verstärkungsgitter aus Kettfäden (4) und Schussfäden (5) auf seiner Rückseite, die aus einem Material hergestellt sind, das höhere mechanische Eigenschaften aufweist, als diejenigen, aus denen die Fäden der Vorderseite hergestellt sind, dadurch gekennzeichnet, dass das Verstärkungsgitter mit der Vorderseite durch seine Kettfäden und Schussfäden verbunden ist, wobei die Kettfäden (4) und die Schussfäden (5) auf der Vorderseite an unterschiedlichen Punkten befestigt sind und sich außerhalb des die Vorderseite bildenden Grundgewebes kreuzen.
  2. Gewebe nach Anspruch 1, dadurch gekennzeichnet, dass das Verstärkungsgitter mit dem Grundgewebe bei dessen Herstellung verbunden wird.
  3. Gewebe nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das Verstärkungsgitter durch eine leinwandartige Verkreuzung der Verstärkungsfäden (4,5), die als Kette und Schuss angeordnet sind, gebildet ist.
  4. Gewebe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die verschiedenen Fäden (2, 3, 4, 5) in beide Richtungen so verbunden sind, dass sie eine komplexe Bindung des Typs Leinwandbindung, Köperbindung oder Atlasbindung bilden, so dass die Vorderseite oder Außenseite des Gewebes im Wesentlichen aus den Grundfäden zusammengesetzt ist und die Innenseite aus den Verstärkungsfäden.
  5. Gewebe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die das Verstärkungsgitter bildenden Fäden (4,5) eine hohe Zugfestigkeit aufweisen, wie z.B. Aramid.
  6. Gewebe nach Anspruch 5, dadurch gekennzeichnet, dass die das Verstärkungsgitter bildenden Fäden (4,5) aus gespaltenem Para-Aramid hergestellt sind, wie unter der Marke Kevlar® Technora® bekannt.
  7. Gewebe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die die Vorderseite des Gewebes bildenden Fäden (2,3) aus einer innigen Mischung von Meta-Aramid und Para-Aramid mit einem geringen Prozentsatz von Polyamid/Karbon, bekannt unter der Marke Nomex Comfort®, hergestellt sind.
  8. Gewebe nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, dass die Bindung der Vorderseite als Köperbindung 2/1 ausgeführt ist für ein Warengewicht von 225 g/m2, wobei die Verhältnisse zwischen den Grundfäden (2,3) und den Verstärkungsfäden (4, 5) die folgenden sind:
    - Kette: 6 Grundfäden und 1 Verstärkungsfaden, d.h. ein Faden alle 2 mm,
    - Schuss: 5 Grundfäden und 1 Verstärkungsfaden, d.h. ein Faden alle 2 mm, wobei der Titer der Grundfäden Nm 60/2 ist und der Titer der Verstärkungsfäden Nm 50/2.
  9. Gewebe nach einem beliebigen der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Verstärkungsgitter weitere Elemente enthält, die ausgewählt sind aus Kohlenstofffasern oder Kohlenstofffilamenten, mikroverkapselten Produkten, formveränderlichen Materialien und gepfropften Fäden.
EP02722385A 2001-03-29 2002-03-28 Verstärktes gewebe Expired - Lifetime EP1373617B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0104300A FR2822855B1 (fr) 2001-03-29 2001-03-29 Tissu renforce
FR0104300 2001-03-29
PCT/FR2002/001100 WO2002079555A2 (fr) 2001-03-29 2002-03-28 Tissu renforce

Publications (2)

Publication Number Publication Date
EP1373617A2 EP1373617A2 (de) 2004-01-02
EP1373617B1 true EP1373617B1 (de) 2006-11-15

Family

ID=8861725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02722385A Expired - Lifetime EP1373617B1 (de) 2001-03-29 2002-03-28 Verstärktes gewebe

Country Status (12)

Country Link
EP (1) EP1373617B1 (de)
JP (1) JP2004530800A (de)
AT (1) ATE345411T1 (de)
BR (1) BR0208369B1 (de)
CA (1) CA2441591C (de)
DE (1) DE60216062T2 (de)
DK (1) DK1373617T3 (de)
ES (1) ES2274027T3 (de)
FR (1) FR2822855B1 (de)
NZ (1) NZ528349A (de)
PT (1) PT1373617E (de)
WO (1) WO2002079555A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203761B3 (de) 2018-03-13 2019-02-21 Ibena Textilwerke Gmbh Doppelgewebe aus flammhemmenden Fasern

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004005008U1 (de) * 2004-03-30 2004-06-24 E.I. Du Pont De Nemours And Company, Wilmington Textiles Flächengebilde für Schutzbekleidung
CN101243220B (zh) * 2005-08-09 2012-06-20 帝人高科技产品株式会社 双层构造织物及使用其的耐热防护衣料
DE102011090173B3 (de) * 2011-12-30 2013-05-08 Ibena Textilwerke Gmbh Gewebekombination
US9732446B2 (en) 2013-11-04 2017-08-15 E I Du Pont De Nemours And Company Heat resistant outershell fabric
FR3030583B1 (fr) 2014-12-23 2017-06-16 Europrotect France Sa Textile pour la fabrication de vetements de protection contre le feu
JP6839999B2 (ja) * 2017-03-02 2021-03-10 帝人株式会社 織物および繊維製品
JP2019014994A (ja) * 2017-07-06 2019-01-31 帝人株式会社 布帛および繊維製品
DE102018204138B3 (de) 2018-03-19 2019-06-19 Ibena Textilwerke Gmbh Hitzeschutzbekleidung und Verwendung eines Warenwechsel-Gewebes
FR3107906B1 (fr) * 2020-03-03 2022-03-04 Sofileta Tissu pour la protection individuelle et vêtement comprenant un tel tissu
CN113002079A (zh) * 2021-02-07 2021-06-22 宋德阳 一种稳定性好的纯棉面料
EP4043627B1 (de) 2021-02-10 2023-10-18 Backhausen GmbH Elektromagnetisch abschirmendes gewebe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180770A (en) * 1936-07-25 1939-11-21 Pferdmenges Heinrich Plural-ply woven fabrics
DE29805867U1 (de) * 1998-03-31 1999-08-26 Boco Gmbh & Co Gewebe für Arbeitsbekleidungsstücke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203761B3 (de) 2018-03-13 2019-02-21 Ibena Textilwerke Gmbh Doppelgewebe aus flammhemmenden Fasern
DE202019005874U1 (de) 2018-03-13 2022-12-05 Ibena Textilwerke Gmbh Doppelgewebe aus flammhemmenden Fasern

Also Published As

Publication number Publication date
NZ528349A (en) 2004-07-30
DK1373617T3 (da) 2006-12-27
PT1373617E (pt) 2007-01-31
WO2002079555A2 (fr) 2002-10-10
CA2441591A1 (fr) 2002-10-10
DE60216062D1 (de) 2006-12-28
BR0208369B1 (pt) 2013-02-19
FR2822855A1 (fr) 2002-10-04
CA2441591C (fr) 2010-05-04
ATE345411T1 (de) 2006-12-15
FR2822855B1 (fr) 2003-06-20
WO2002079555A3 (fr) 2002-12-12
EP1373617A2 (de) 2004-01-02
JP2004530800A (ja) 2004-10-07
BR0208369A (pt) 2004-06-15
ES2274027T3 (es) 2007-05-16
DE60216062T2 (de) 2007-03-01

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