| 摘要 |
PROBLEM TO BE SOLVED: To provide a cartridge assembly for blasting capable of improving construction performance and initial ignition efficiency, and reducing a misfire rate. SOLUTION: This cartridge assembly includes: a cartridge cover 50 having the shape of a given length in the longitudinal direction and hollow inside, and provided with a connection projecting end 51 on one end and a connection thread groove 56 on the other end; and an ignition plug including a connecting section having a thread 55 on a part of its outer peripheral face to be connected with the connection thread groove 56 of the cartridge cover 50, a PCB board disposed on one end of the connecting section and including a number of circuit elements, a probe having a pair of electrodes electrically connected to the PCB board, and a housing connected to one end of the connecting section to receive the PCB board. COPYRIGHT: (C)2011,JPO&INPIT
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