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Composition and process for inflating a safety crash bag

  • US 4,909,549 A
  • Filed: 12/02/1988
  • Issued: 03/20/1990
  • Est. Priority Date: 12/02/1988
  • Status: Expired due to Term
First Claim
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1. A method for inflating an automobile or aircraft safety crash bag comprising the combustion of a pyrotechnic material, comprising at least one tetrazole or triazole compound containing hydrogen in the molecule, to generate substantially non-toxic combustion products including a gas to inflate said crash bag, said method comprising:

  • A. burning said pyrotechnic material at elevated pressure in admixture with at least one oxygen containing oxidizer compound and at least one additional material so as to produce, upon combustion, a metal chloride salt and a substantially non-toxic primary gas mixture andB. diluting said primary gas mixture with air to produce a substantially non-toxic final gas mixture by passing said primary gas mixture through at least one venturi so as to aspirate said air, whereby said crash bag, when inflated contains a final gas mixture comprising about one to about four volumes of air per volume of said primary gas mixture.

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