Air bag inflation gas generator

B - Operations – Transporting – 60 – R

Patent

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280/226

B60R 21/26 (2006.01) C06B 27/00 (2006.01) C06D 5/06 (2006.01) F42B 3/04 (2006.01)

Patent

CA 2004550

This invention relates to an air bag inflation gas generator to feed gas for inflation of air bags such as air bags for absorbing collision shocks, life jackets, rafts, and escape chutes. The air bag inflation gas generator according to the present invention has a combustion chamber comprising a bottom-closed cylinder of a housing body and a lid covering the opening of the bottom-closed cylinder. The housing body comprises the bottom-closed cylinder, a flange extending outward and formed integrally with the opening of the bottom-closed cylinder, and an external cylinder formed on the periphery of the flange and bent toward the bottom of the housing body. A plenum chamber is formed by covering the external and bottom-closed cylinders with a covering member from the bottom of the housing body and by welding the covering member to the cylinders.

La présente invention porte sur un générateur fournissant le gaz servant à gonfler des coussins d'air tels que les coussins d'air pour absorber les chocs de collisions, les gilets de sauvetage, les radeaux et les glissières d'évacuation. Le générateur de gaz pour le gonflage des coussins d'air de la présente invention est pourvu d'une chambre de combustion comportant un cylindre à fond fermé d'un corps de logement et un couvercle qui recouvre l'ouverture du cylindre à fond fermé. Le corps de logement comporte le cylindre à fond fermé, une bride qui se prolonge vers l'extérieur et formée intégralement de l'ouverture du cylindre à fond fermé et un cylindre externe formé sur le pourtour de la bride et plié vers le fond du corps de logement. Un plénum est formé en couvrant les cylindres externes et à fond fermé d'un élément de revêtement du fond du corps de logement et en soudant l'élément de revêtement aux cylindres.

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