| 摘要 |
A cartridge casing 30 comprises a casing tube 32 having a first end 34 and a head cap 36. The first end 34 of the casing tube 32 abuts and is joined with the head cap 36 such that an orifice 44 in the first end 34 of the casing tube 32 is aligned with a passage 46 in the head cap 36 to define a flash passage. The head cap 36 and casing tube 32 are held together by a deformable member 60. |
