EP0495765A1 - Vliesstoffanwendung als Unterschicht für ein Polstergewebe für Sitze im Transportmittel - Google Patents

Vliesstoffanwendung als Unterschicht für ein Polstergewebe für Sitze im Transportmittel Download PDF

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Publication number
EP0495765A1
EP0495765A1 EP92870007A EP92870007A EP0495765A1 EP 0495765 A1 EP0495765 A1 EP 0495765A1 EP 92870007 A EP92870007 A EP 92870007A EP 92870007 A EP92870007 A EP 92870007A EP 0495765 A1 EP0495765 A1 EP 0495765A1
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EP
European Patent Office
Prior art keywords
fibers
fabric
thickness
nonwoven fabric
needling
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.)
Granted
Application number
EP92870007A
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English (en)
French (fr)
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EP0495765B1 (de
Inventor
Joseph Van Kerrebrouck
Hendrik Vercouter
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Libeltex NV
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Libeltex NV
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Filing date
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Application filed by Libeltex NV filed Critical Libeltex NV
Publication of EP0495765A1 publication Critical patent/EP0495765A1/de
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Publication of EP0495765B1 publication Critical patent/EP0495765B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/488—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with bonding agents
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/593—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives to layered webs
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/05—Fireproof
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/268—Monolayer with structurally defined element
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers
    • 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
    • Y10T428/2904—Staple length fiber
    • Y10T428/2905—Plural and with bonded intersections only
    • 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
    • Y10T428/2975—Tubular or cellular
    • 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]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • 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]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • Y10T442/378—Coated, impregnated, or autogenously bonded
    • Y10T442/3813—Coating or impregnation contains synthetic polymeric material

Definitions

  • the invention relates to the use of a nonwoven fabric as an underlay for a fabric for covering seats intended for the transport of persons by road, rail or air.
  • the invention also relates to the seat covering composed of a fabric laminated or not with said fabric, as well as the seat intended for the transport of persons, comprising this covering.
  • a seat generally comprises 1) a support ensuring the ergonomic comfort of the user of the seat; this support is generally made of dense foam, springs or bands, 2 °) a padding layer made of a less dense foam than that constituting the support (and possibly separated from the support by a separating film) and 3 °) a covering fabric.
  • the padding layer and the covering fabric are responsible for the thermophysiological aspect of comfort.
  • a seat thus formed is particularly insulating, which results in the release of sweat by the user. If this perspiration is not quickly removed, an unpleasant feeling of humidity follows.
  • the object of the present invention is to use a non-woven fabric as an underlayer of the fabric for covering a seat, replacing the layer of foam padding. It is particularly intended that the nonwoven fabric used according to the invention fulfills both the functions of padding layer and thermophysiological comfort layer.
  • the fabric used according to the invention has, by its hydrophilic nature, the capacity to rapidly absorb moisture before transporting it to the outside.
  • Another object of the present invention is to use a nonwoven fabric capable of transporting moisture in a direction parallel to the surface of the fabric.
  • the present invention also aims to use a non-woven fabric allowing the evacuation of moisture by ventilation.
  • the fabric used according to the invention has sufficient compressive strength and elasticity characteristics to allow absorption, transport and evacuation of moisture.
  • the present invention relates to the use of a non-woven fabric as an underlayer of a fabric for covering seats intended for the transport of persons (by road, rail or air), replacing the traditional layer of padding in foam.
  • the nonwoven fabric used according to the invention is produced by the dry process. It has a density of between 20 and 100 kg / m 3 and preferably between 30 and 60 kg / m 3 and a thickness of between 4 and 40 mm and preferably between 8 and 12 mm.
  • the nonwoven fabric used according to the invention comprises at least 50% of synthetic fibers, preferably chosen from polyester, polyamide, polyoxyamide fibers, or fibers of the "superabsorbent" type or a mixture of these different fibers.
  • the term "superabsorbent” type fibers means fibers having an absorption capacity greater than 100%, that is to say fibers absorbing more than 1 g of water per gram of fiber.
  • the "superabsorbent" fibers used are, for example, those sold under the names Lansael®, Fibersorb @ or Bemliese®.
  • the synthetic fibers chosen are polyester fibers.
  • the fibers used are preferably hydrophilic or made hydrophilic by an appropriate treatment.
  • the synthetic fibers used in the composition of the fabric used according to the invention have a thickness between 3 and 40 dtex and, preferably, between 6 and 20 dtex and a length between 2 and 12 cm and, preferably, between 5 and 7.5 cm.
  • the nonwoven fabric used according to the invention can comprise up to 50% of natural and / or artificial fibers which can be, for example, cellulose fibers (cotton, rayon, viscose) or wool.
  • the fibers making up the fabric used according to the invention are bonded by needling.
  • said fibers are linked both by needling and by thermal bonding.
  • the nonwoven fabric must contain a certain percentage of thermo fibers. binders ".
  • thermobonding fibers fibers whose melting point is lower than that of the main fibers, or fibers having a surface layer whose melting point is lower than that of the inner part of the fiber ("two-component" fibrea).
  • the fibers are linked both by needling and by chemical bonding.
  • This chemical bonding is carried out by spraying the fibers with a resin which can be, for example, an aqueous emulsion of polyacrylate or polyurethane resin.
  • the nonwoven fabric used according to the invention has sufficient compressive strength so that, when subjected to a static pressure of 20 cN / cm 2 (which corresponds to the pressure exerted by the weight of a person medium), it retains a minimum thickness of 2 mm.
  • this minimum thickness is 4 mm.
  • This minimum thickness of 2 mm or even 4 mm is necessary to allow the fabric to absorb the perspiration emitted by the seat user, and to allow the fabric to transport this moisture in a direction parallel to the surface. fabric, or transport it by ventilation.
  • the covering fabric and the nonwoven fabric can be laminated by one of the techniques known to those skilled in the art.
  • This lamination can, for example, be carried out using a sizing means such as a dispersion, an emulsion or an adhesive solution or such as a powder, a film or a thermoplastic coating.
  • This sizing means can be applied, for example, by spraying, dusting, impregnation or printing.
  • the present invention also relates to a covering material for seats intended for the transport of persons, consisting of a covering fabric laminated to a nonwoven fabric; this fabric having the characteristics listed above.
  • the laminating can be carried out according to one of the techniques known to those skilled in the art and listed above.
  • the invention relates to a seat intended for the transport of persons (by road, rail or air), having a covering or a covering material according to the invention.
  • the fiber mixture was carded and coated using techniques well known to those skilled in the art.
  • the fibers were then bonded by needling and then by thermal bonding.
  • the fabric thus obtained has a thickness of 10 mm and an apparent density of 40 kg / m 3 . It has a compressive strength such that, when subjected to a static pressure of 20 cN / cm 2 , this fabric retains a thickness of 8.5 mm.
  • This nonwoven fabric has been tested, in comparison with a standard foam on a "skin model" according to DIN 504-101 Part 1.
  • This standard is also proposed as a draft standard under the reference ISO / TC 38 / SC 8:15 a.m.
  • the parameters tested are as follows: thermal resistance: Rct (measured in m 2 K / w), resistance to moisture transport: R and (measured in m 2 mbar / w) and the absorption capacity of the humidity Fi (expressed in%) (weight of water absorbed per dry weight of product). These three parameters were measured under static conditions, that is to say by subjecting the nonwoven fabric or the foam to a static load of 20 cN / cm 2 . The three parameters were also measured under dynamic conditions, that is to say by subjecting the nonwoven fabric or the foam to pulses of 20 cN / cm 2 , 2 times per second.
  • the fourth measured parameter is the ventilation speed: V expressed in% and corresponding to the following formula:
  • the nonwoven fabric has a lower resistance to moisture transport and a better capacity for absorbing moisture than the foam layer. .
  • the ventilation speed is 32% ((1.279-0.867) / 1.279) for the nonwoven fabric and 23% ((1.715-1.318) / 1.715) for the foam layer; which means that the effect of vibrations and movements provides a greater increase in the transfer of moisture in the case of the nonwoven fabric than in the case of the foam layer.
  • the fiber mixture was carded and coated using techniques well known to those skilled in the art.
  • the fibers were then bonded by needling and thermal bonding.
  • the fabric thus obtained has a thickness of 11 mm and an apparent density of 35 kg / m 3 . It has a compressive strength such that, when subjected to a static pressure of 20 cN / cm 2 , it retains a thickness of 7 mm.
  • the coating of seats for transporting people according to the invention comprises the nonwoven fabric, the characteristics of which are given in Example 1, and the covering fabric "MlLPOlNT®” from the company Gilford.
  • thermoplastic powder of the copolyester type applied by dusting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Woven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Toilet Supplies (AREA)
  • Knitting Of Fabric (AREA)
  • Outer Garments And Coats (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Details Of Garments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
EP92870007A 1991-01-11 1992-01-10 Vliesstoffanwendung als Unterschicht für ein Polstergewebe für Sitze im Transportmittel Expired - Lifetime EP0495765B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9100309A FR2671565B1 (fr) 1991-01-11 1991-01-11 Etoffe non tissee utilisee comme sous-couche d'un tissu de recouvrement de sieges destines au transport de personnes.
FR9100309 1991-01-11

Publications (2)

Publication Number Publication Date
EP0495765A1 true EP0495765A1 (de) 1992-07-22
EP0495765B1 EP0495765B1 (de) 1993-05-12

Family

ID=9408624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92870007A Expired - Lifetime EP0495765B1 (de) 1991-01-11 1992-01-10 Vliesstoffanwendung als Unterschicht für ein Polstergewebe für Sitze im Transportmittel

Country Status (12)

Country Link
US (1) US5292577A (de)
EP (1) EP0495765B1 (de)
JP (1) JP2638706B2 (de)
AT (1) ATE89346T1 (de)
DE (1) DE69200003T2 (de)
DK (1) DK0495765T3 (de)
ES (1) ES2041205T3 (de)
FI (1) FI920081A7 (de)
FR (1) FR2671565B1 (de)
IE (1) IE66399B1 (de)
NO (1) NO300764B1 (de)
WO (1) WO1994001609A1 (de)

Cited By (1)

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FR1414994A (fr) * 1963-10-10 1965-10-22 Du Pont Procédé de fabrication par piquage aux aiguilles d'une nappe fibreuse utilisable pour le rembourrage, et produits obtenus par ce procédé
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156358A1 (de) * 2008-06-24 2009-12-30 Basf Se Verbesserte feuchtigkeitsregulierende verbundstoffe

Also Published As

Publication number Publication date
FR2671565B1 (fr) 1993-04-30
DK0495765T3 (da) 1993-08-30
NO920141L (no) 1992-07-13
JPH055260A (ja) 1993-01-14
IE66399B1 (en) 1995-12-27
NO920141D0 (no) 1992-01-10
JP2638706B2 (ja) 1997-08-06
US5292577A (en) 1994-03-08
DE69200003D1 (de) 1993-06-17
FR2671565A1 (fr) 1992-07-17
WO1994001609A1 (en) 1994-01-20
NO300764B1 (no) 1997-07-21
FI920081L (fi) 1992-07-12
ES2041205T3 (es) 1993-11-01
ATE89346T1 (de) 1993-05-15
FI920081A7 (fi) 1992-07-12
IE920082A1 (en) 1992-07-15
DE69200003T2 (de) 1993-12-02
FI920081A0 (fi) 1992-01-08
EP0495765B1 (de) 1993-05-12

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