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Dual stage air bag inflator

  • US 5,690,357 A
  • Filed: 04/25/1996
  • Issued: 11/25/1997
  • Est. Priority Date: 04/25/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for inflating an inflatable vehicle occupant protection device, said apparatus comprising:

  • a container defining a chamber;

    inflation fluid and ignitable material in the chamber;

    means defining an opening in said container through which inflation fluid may flow from the chamber to inflate the protection device;

    a rupturable closure blocking flow through the opening in said container;

    a projectile supported by said container at a location spaced from said closure; and

    actuatable means supported by said container for producing combustion products which propel said projectile to rupture said closure and which are directed into the chamber to ignite said ignitable material in the chamber before said projectile ruptures said closure.

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