Inflator

Details Inflator Inflator

1996-04-19

1997-03-11

Ellis, Christopher P.

Land vehicles

Wheeled

Attachment

280736, 280737, B60R 2126

Patent

active

056093624

ABSTRACT:
An inflator (12) for inflating an inflatable vehicle occupant protection device (36) includes a vessel (14) having a chamber (16) which holds fluid under pressure. An opening (20) to the chamber (16) is defined by an inner side surface (66, 76) of the vessel (14). A plug (18) is disposed in the opening (20) to the chamber (16) to block the opening. A passage (42) is formed in the plug (18) to direct fluid from the chamber (16) to the inflatable device (36). The plug (18) is welded to the inner side surface (66, 76) of the vessel (14) to retain the plug (18) in the vessel (14) and form a fluid tight seal between the plug (18) and the vessel (14). Preferably, a rim portion (84) of the vessel (14) is disposed outward of the weld and extends over a portion (104) of the plug (18) to help in retaining the plug (18) in the vessel. Also the side surface (66, 76) of the vessel (14) preferably tapers radially inward in a direction towards the chamber in the vessel. The plug (18) has a tapered outer side surface (90) which sealingly engages with the inner side surface (66, 76) of the vessel (14).

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