Apparatus for igniting gas generating material

Details Apparatus for igniting gas generating material Apparatus for igniting gas generating material

C - Chemistry, Metallurgy

06

C

C06C 9/00 (2006.01) C06B 25/20 (2006.01)

Patent

CA 2420218

When a vehicle is involved in a fire, the airbag inflator is subjected to extreme temperatures, which may lead to the housing of the inflator rupturing. The use of autoignition material will minimize the risk of the housing rupturing during a fire by causing the combustion of the gas generant to occur at a desired safe temperature. According to the present invention, the autoignition material contains nitrocellulose material and an inert plasticizer. The autoignition material is thermally stable and does not need to undergo preassembly or packaging before being placed in a gas inflator.

Lorsqu'un véhicule est impliqué dans un feu, le dispositif de gonflage de l'airbag est soumis à des températures extrêmes pouvant provoquer la rupture du logement dudit dispositif. L'utilisation d'un matériau à inflammation spontanée réduit le risque de rupture du logement pendant un feu du fait que la combustion du générateur de gaz s'effectue à une température désirée sûre. Selon cette invention, le matériau à inflammation spontanée contient un matériau de nitrocellulose et un plastifiant inerte. Ce matériau est thermostable, et ne requiert pas de préassemblage ou d'emballage avant son placement dans un dispositif de gonflage à gaz.

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