| 摘要 |
PROBLEM TO BE SOLVED: To suppress the degradation of the commercial value of a cracker by surely preventing the deformation of the cracker. SOLUTION: The cracker 10 is provided with an inner conical body 20 containing an explosive body 34 constituted to blow out when a pull-cord 33 is pulled and an outer conical body 40 in which the inner conical body 20 is put. A flange member 50 is interposed between the outer peripheral surface of the inner conical body 20 on its upper opening 23 side and the inner peripheral surface of the outer conical body 40 on its upper opening 45 side, and integrally stuck to the inner conical body 20 by bonding treatment.
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