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GAS GENERATOR

  • US 20130276664A1
  • Filed: 01/06/2012
  • Published: 10/24/2013
  • Est. Priority Date: 01/07/2011
  • Status: Abandoned Application
First Claim
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1. A gas generator, comprising:

  • a short cylindrical housing which is constituted of a top plate portion and a bottom plate portion closing axial end portions and a circumferential wall portion provided with a gas discharge opening and includes therein a combustion chamber accommodating a gas generating agent;

    an igniter for burning said gas generating agent; and

    a holding portion provided on said bottom plate portion, for holding said igniter,said housing at least having a lower shell including said bottom plate portion and an upper shell including said top plate portion,said lower shell including a protruding cylindrical portion provided to protrude toward said top plate portion and an opening provided at an axial end portion of said protruding cylindrical portion, which is located on a side of said top plate portion,said holding portion being formed from a resin-molded portion which is formed by attaching a fluid resin material to said bottom plate portion so as to reach a part of an outer surface of said bottom plate portion from a part of an inner surface of said bottom plate portion through said opening and solidifying the fluid resin material so that at least a part of the resin-molded portion is secured to said bottom plate portion and including an accommodation recess portion for accommodating said igniter in a portion opposed to said top plate portion, andsaid igniter being held by said holding portion while it is inserted in said accommodation recess portion from a side of said top plate portion and fitted in said accommodation recess portion.

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