| 摘要 |
A gas generator for a restraining device in an automobile, including a cylindrical housing having two opening portion, an ignition device chamber connected to one of the opening portions of the cylindrical housing, a diffuser portion connected to the other opening portion of the cylindrical housing and having a gas discharge port, a first blockage member closing between the cylindrical housing and the ignition device chamber, a second blockage member closing between the cylindrical housing and the diffuser portion, a pressurized gas charged inside the cylindrical housing, a metal rod, for rupturing the second blockage member to open a path to the diffuser portion in actuation, being provided in the cylindrical housing, the metal rod being disposed, having a base portion thereof in contact with a metallic wall surface in the vicinity of the first blockage member, an elastic material being inserted into the contacting portion which is pressed from both of the base portion and the metallic wall surface in the vicinity of the first blockage member.
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