Method of producing a woven webbing

Abstract

Disclosed is a method for the production of a planar textile structure, especially a woven belt band, especially for safety belts in motor vehicles, consisting of warp threads and at least one weft thread. The method is characterized in that at least one hybrid multi-filament thread, made up of at least first and second filaments, is used for weaving, said second filaments having a higher melting point than the first filaments. Flexible elliptical and flat interlacing points are formed during shed closing of the warp threads, and the belt band is thermofixed after weaving, whereby the first filaments melt and the second filaments of the multifilament yarn are at least partially glued together.

1 . A method of producing a textile sheet fabric, particularly a woven webbing, more particularly a vehicle occupant restraint belt, comprising warp threads and at least one weft thread comprising the steps of: 
 weaving at least one hybrid multifil yarn as the weft thread composed of at least first and second filaments, the second filaments having a melting point higher than that of the first filaments,    forming flexible elliptical low-profile keying points in the shedding closure of the warp threads, and    thermosetting the webbing after weaving, the first filaments melting and the second filaments of the multifil yarn interbonding at least in part.    
   
   
       2 . The method as set forth in  claim 1 , wherein polyamide is employed for the first filaments and polyester for the second filaments.  
   
   
       3 . The method as set forth in  claim 1 , wherein polyester is employed for the first filaments and for the second filaments.  
   
   
       4 . The method as set forth in  claim 1 , wherein the mass ratio of first filaments to second filaments is in the range of approximately 20%-90% to approximately 10%-80%.  
   
   
       5 . The method as set forth in  claim 1 , wherein the at least one weft thread is woven only over part of the warp threads and a second weft thread shedded with the at least one warp thread, but running over the full width of the webbing.  
   
   
       6 . The method as set forth in  claim 1 , wherein the webbing is woven with round selvedge.  
   
   
       7 . The method as set forth in  claim 1 , wherein the webbing is provided in the region of its edges with additional threads.  
   
   
       8 . The method as set forth in  claim 1 , wherein at least one of the warp threads is meshed at one or both edges with tucking and/or locking threads.  
   
   
       9 . The method as set forth in  claim 1 , wherein the textile sheet fabric is woven with differing warp threads.