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Air bag restraint system with venting means

  • US 5,071,161 A
  • Filed: 10/06/1989
  • Issued: 12/10/1991
  • Est. Priority Date: 10/06/1989
  • Status: Expired due to Term
First Claim
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1. A passenger restraint system for motor vehicles comprising:

  • inflator means for generating gases by a process resulting in particulate matter dispersed in said gases; and

    a bag assembly coupled to said inflator means for inflation by said gases, said bag assembly including a first fabric zone impermeable to said gases and a second fabric zone coupled to and in contact with the first fabric zone, said second fabric zone being permeable to said gases but impermeable to said particulate matter, said second fabric zone being shaped and sized to vent said gases at a predetermined rate, wherein said first and second fabric zones remain in contact with each other when the bag assembly is expanded.

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