| 摘要 |
A priming device inside of a chamber includes a flat ring, in which is disposed a shallow cup that is encircled by an integral flange overlapping one side of the ring, to which one side of the flange is secured. The bottom of the cup has a hole through it and the cup contains pyrotechnic material. The opposite side of the flange is secured to a thin metal wall of the chamber. The material in the cup is detonated by striking the thin wall to bend it into the cup so that it will press against the pyrotechnic material.
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