Ammunition cartridge

Details Ammunition cartridge Ammunition cartridge

1983-06-24

1986-07-22

Hafer, Robert A.

Mechanical guns and projectors

Fluid pressure

Self-contained in projectile or projectile-carrying cartridge

124 70, 124 74, 124 75, 102440, F41B 1108, F41B 1100, F42B 502

Patent

active

046012788

ABSTRACT:
A bullet is fired from an ammunition cartridge upon piercing a breakaway section in the rear wall of the cartridge to form a gas escape port. The cartridge has one open end in which is seated the bullet and the breakaway section of the rear wall is directly opposite the bullet. A moveable sealing element is adapted to move between two positions. One position seals off the opening in the one end, and the other position is displaced from the opening to allow gas to escape under pressure from the opening. Piston-type element, in response to the housing wall being pierced, stops the flow of gas from this escape port and moves the sealing element from the first to the second position.

REFERENCES:
patent: 220030 (1879-09-01), McGowan
patent: 279539 (1883-06-01), Chamberlain
patent: 1486215 (1924-03-01), Zerbee
patent: 2375314 (1945-05-01), Mills
patent: 3102525 (1963-09-01), Englis
patent: 3175494 (1965-03-01), Turner
patent: 3921614 (1975-11-01), Fogelgren
patent: 4011817 (1977-03-01), Ashley
patent: 4159705 (1979-07-01), Jacoby

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