| 摘要 |
A gas generator includes a first cup 10 packed with gas generating agent 14 that generates gas by burning; a second cup E disposed in an inside of the first cup 10 and containing ignition agent; and a holder 9 holding the first cup 10 thereon and also holding a plug B of the second cup E or the second cup thereon. In the gas generator, there is provided a separator 15 which allows the gas generating agent 14 to be confined within the first cup 10 so as to shield the gas generating agent from the second cup E. Further, the separator 15 is so disposed as to cover the second cup E. In addition, seal materials, such as an O-ring 16, is arranged in a moisture inflow path through which moisture or equivalent comes in from outside of the gas generator 18.
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