| 摘要 |
PURPOSE: A crump case for training which penuriously blows explosive sound from a blasting cap without a firing tool is provided to prevent accidents since a user does not need to hold an explosive sound cask with own hands until a fuse is burned. CONSTITUTION: A crump case for training comprises an adapter assembly(110), a fuse assembly(120), and a dual safety unit. The adapter assembly is included of a case(111), a firing pin(113), and an elastic member. The elastic member flexibly supports the firing pin in a forward direction. The fuse assembly is included of an explosive sound pipe, a fuse, and a blasting cap. The explosive sound pipe is filled with an explosive agent. The dual safety member is included a safety pin and a safety knob.
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