Cartridge case decapping tool

Details Cartridge case decapping tool Cartridge case decapping tool

1974-11-13

1976-09-28

Tudor, Harold

Ammunition and explosive-charge making

Ammunition loading

Capping and uncapping

86 23, 89 1B, F42B 3310

Patent

active

039824659

ABSTRACT:
A tool for removing detonated Berdan primers from fired cartridge cases has a sleeve to support an undetonated primer at one end immediately adjacent the inside surface of the closed end of the cartridge against which the end of the sleeve fits snugly. A firing pin longitudinally movable within the sleeve and extending from the other end explodes the primer when tapped sharply, and the explosive force through the small flash holes in the closed end of the case ejects the spent primer from the case. The sleeve is cylindrical an is just slightly smaller than the open end of the case. It has a cylindrical pocket at the end that accepts either a Berdan, Boxer, or other type of primer and has a longitudinal bore that is smaller than the diameter of such primer and guides the end of the firing pin. At the other end of the sleeve is a handle of larger diameter than the sleeve and preferably provided with a reentrant recess.

REFERENCES:
patent: 2213435 (1940-09-01), Temple, Jr.
patent: 2732897 (1956-01-01), Musser
patent: 2741148 (1956-04-01), Thompson, Jr.
patent: 2926607 (1960-03-01), Muller, Jr. et al.
patent: 3106131 (1963-10-01), Barr et al.
patent: 3745875 (1973-07-01), Kennedy

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