| 摘要 |
A gas generator, comprising: a cylindrical housing including a seamless peripheral wall extending in an axial direction thereof between a first end and a second end, and including a gas discharge port; a first protruding portion provided in the peripheral wall of the cylindrical housing between the first end and the second end, such that the first protruding portion projects inwardly into an interior of the cylindrical housing; a first rupturable member attached to the first protruding portion such that the interior of the cylindrical housing is divided axially into a pressurized gas accommodating space in the first end from an ignition device accommodating space in the second end; a pressurized gas charged in the pressurized gas accommodating space; and an ignition device provided within the ignition device accommodating space.
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