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Motor vehicle air bag and fabric for use in same

  • US 6,632,753 B1
  • Filed: 04/26/2000
  • Issued: 10/14/2003
  • Est. Priority Date: 04/26/2000
  • Status: Expired due to Fees
First Claim
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1. A vehicle air bag for use with an on-board inflator mechanism, said vehicle air bag having at least one panel of coated air bag fabric, said fabric comprising:

  • a base fabric woven from synthetic multifilament yarns having a size of no greater than 650 denier, said yarns being arranged in warp and fill directions;

    in at least one of said directions, said yarns comprising first yarns of a first yarn size and second yarns of a second yarn size, said second yarn size being a lesser yarn size than said first yarn size;

    said first yarns and said second yarns being arranged in a predetermined yarn position in said fill direction of said base fabric to produce a crest and trough pattern on a surface thereof;

    further comprising third yarns of a third yarn size located at predetermined positions in said fill direction of said base fabric, said third yarn size being a lesser yarn size than said second yarn size;

    said base fabric being coated with an elastomeric coating material; and

    said base fabric is woven to have a repeated arrangement of first yarn-second yarn-third yarn-second yarn-first yarn pattern.

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