| 摘要 |
An initiator assembly is provided with a metallic collar securely combined to an electric type initiator to block a moisture penetration into the inside of a gas generator, thereby obtaining operation reliability of the gas generator. In the initiator assembly, at least part of the electric type initiator is surrounded by the metallic collar, and integrated with a resin. At least either of an annular protrusion and a cylindrical protrusion provided in the direction to surround the electric type initiator is formed on the metallic collar, and the protrusion is covered with the resin.
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