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Gas bag for a vehicle occupant restraining system and fabric for its production

  • US 5,375,878 A
  • Filed: 11/22/1993
  • Issued: 12/27/1994
  • Est. Priority Date: 11/27/1992
  • Status: Expired due to Fees
First Claim
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1. A gas bag for a vehicle occupant restraining system having an envelope of uncoated textile fabric comprising at least one zone facing a vehicle occupant in an inflated condition and at least one zone facing away from said occupant, wherein said envelope both in said zone facing said vehicle occupant and in said zone facing away from said occupant is made from the same type of textile fabric as determined by thread density and filament yarn, said fabric having predetermined directions of warp and weft threads in each of said zones and said fabric having gas permeability values in said zones which are substantially different from each other and are determined by the ratio of tension in the direction of the warp threads relative to the tension in the direction of the weft threads as dictated by the geometry of the inflated gas bag.

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