Reinforcing web, covering complex containing same and use in vehicle seat

• US 6,338,887 B1
• Filed: 02/16/2000
• Issued: 01/15/2002
• Est. Priority Date: 06/06/1997
• Status: Expired due to Fees

• Current Assignee: Hexcel Fabrics SA (Hexcel Corporation)
• Original Assignee: Hexcel Fabrics SA (Hexcel Corporation)
• Inventors: Derud, Pierre
• Primary Examiner(s): Thomas, Alexander S.
• Application Number:
  US09/424,846
• Time in Patent Office: 699 Days
• Field of Search: 428/40.1, 428/102, 428/906, 442/366, 442/377, 442/305, 442/316
• US Class Current: 428/40.1
• CPC Class Codes: A47C 27/008 protecting against wear or damage
• CPC Class Codes: D04B 21/16 incorporating synthetic threads
• CPC Class Codes: D10B 2403/02411 with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
• CPC Class Codes: D10B 2505/08 Upholstery, mattresses
• CPC Class Codes: Y10S 428/906 Roll or coil
• CPC Class Codes: Y10T 428/14 Layer or component removable to expose adhesive
• CPC Class Codes: Y10T 428/24033 including stitching and discrete fastener[s], coating or bond
• CPC Class Codes: Y10T 442/406 Including parallel strips
• CPC Class Codes: Y10T 442/475 Including a free metal or alloy constituent
• CPC Class Codes: Y10T 442/643 Including parallel strand or fiber material within the nonwoven fabric
• CPC Class Codes: Y10T 442/655 Metal or metal-coated strand or fiber material

Abstract

A reinforcing web constituted by substantially parallel and spaced-apart warp threads and by pairs of reinforcing threads, each shaped in the form of successive half-loops alternating in a weft direction. The successive half-loops of the reinforcing threads in each pair extend in opposite directions, and the pairs of threads are spaced apart from one another in such manner that the half-loops of the threads corresponding to two successive pairs overlap and together define closed loops which are set by means of flexible binding stitches formed in the overlap zones between the two half-loops and the warp threads. At least some of the reinforcing threads are constituted by metal tows. The reinforcing web is suitable for application to the seats of public transport vehicles.

Claims

1. A reinforcing web, comprising substantially parallel and spaced-apart warp threads and pairs of reinforcing threads, each shaped in the form of successive half-loops alternating in a weft direction, the successive half-loops of the reinforcing threads in each pair extending in opposite directions, and the pairs of threads being spaced apart from one another in such a manner that the half-loops of the threads corresponding to two successive pairs overlap and together define closed loops which are set by means of flexible binding stitches formed in overlap zones between the two half-loops and the warp threads, at least some of the reinforcing threads being constituted by metal tows.

2. A reinforcing web according to claim 1, wherein the reinforcing threads corresponding to at least one side of the web are made of a non-metal material and form a lateral strip or margin.

3. A reinforcing web according to claim 1, wherein the metal tows are constituted in part by a plurality of stranded elementary strands.

4. A reinforcing web according to claim 3, wherein the metal tows comprise those corresponding to a 3×

1 structure or to a 7×

7 structure, and to diameters lying in the range 0.3 mm to 1 mm.

5. A reinforcing web according to claim 1, wherein the warp threads occupy a single sheet.

6. A reinforcing web according to claim 1, wherein the warp threads occupy two parallel sheets with the reinforcing threads disposed therebetween.

7. A reinforcing web according to claim 1, wherein the binding stitches are set on either side of each warp thread.

8. A reinforcing web according to claim 1, associated, on at least one of its faces, with a surface adhesive.

9. A reinforcing web according to claim 8, wherein the adhesive face is associated on its surface with a peel-off protection.

10. A reinforcing web according to claim 1, associated, on at least one of its faces, with a layer of flexible material possessing at least one surface of adhesive nature.

11. A reinforcing web according to claim 1, embedded in a matrix coating the warp threads and the reinforcing threads, and presenting on at least one face an adhesive nature.

12. A reinforcing web according to claim 1, in the form of a rolled-up strip.

13. A reinforcing web according to claim 1, in the form of flexible formatted plates.

14. A public transport vehicle seat comprising padding covered on a surface thereof with a composite according to claim 13, said composite being fitted to said padding via the surface of the padding which is associated with the reinforcing web.

15. A strong covering composite comprising a facing layer and a reinforcing web according to claim 1 which is bonded to one of face of said facing layer.

16. A strong covering composite according to claim 15, wherein the facing layer comprises of a flexible material.

17. A strong covering composite according to claim 15, wherein the facing layer comprises a fabric.