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Gas bag for a vehicular occupant restraint system

  • US 6,170,860 B1
  • Filed: 05/26/1998
  • Issued: 01/09/2001
  • Est. Priority Date: 05/28/1997
  • Status: Expired due to Term
First Claim
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1. A gas bag for a vehicular occupant restraint system comprising two plies of fabric partially interwoven along their outer edges, wherein:

  • said plies of fabric are substantially air-tight;

    the volume of the gas bag is divided by partial interweaving of said plies of fabric within said outer edges, thereby forming a plurality of chambers;

    remaining portions of the interwoven plies of fabric defining between them at least one choked port interconnecting said chambers;

    a first part of said chambers being directly inflatable by an inflator, and a second part of said chambers being indirectly inflatable via said choked port;

    within at least one of said chambers said plies of fabric are interwoven along at least one portion in the form of a closed ring defining an opening for insertion of a fastener means through said opening.

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