CPC F42B 5/16 (2013.01) [B21K 21/04 (2013.01); F42B 5/10 (2013.01); F42B 5/285 (2013.01); F42B 10/04 (2013.01); F42B 33/00 (2013.01); F42C 19/0826 (2013.01); F42C 19/083 (2013.01)] | 3 Claims |
1. A tool mechanism for forming a rigid casing of an ammunition cartridge, the casing comprising a base and a tubular sleeve, comprising a tool insert assembly having a portion with a shape corresponding to an internal shape of the cartridge casing, the tool insert assembly formed of at least two parts including a shaping insert and a support pin that slidably inserts into a central passage of the shaping insert, the shaping insert comprising a radially compressible body portion that allows the shaping insert to move elastically radially inwardly when the support pin is removed.
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