Propellent-charge cartridge case

Details Propellent-charge cartridge case Propellent-charge cartridge case

1974-02-11

1976-04-06

Feinberg, Samuel

Ammunition and explosives

Igniting devices and systems

F42B 526

Patent

active

039481786

ABSTRACT:
A propellent-charge cartridge case which comprises a cartridge-case stub which has a cartridge-case wall and includes at least one part provided with a resilient gas check which can be pressed against a barrel wall. The cartridge-case wall is formed with an annular groove cut from the outside into the cartridge-case wall which weakens the cross section of the wall. A resilient insert fills the annular groove so that as gas pressure builds up within the cartridge case upon firing, the cartridge case stub is deformed in the region of the annular groove so as to reduce the size thereof and squeeze the insert out of the annular groove in gas-sealing manner against the barrel wall.

REFERENCES:
patent: 3363562 (1968-01-01), Stadler et al.
patent: 3771452 (1973-11-01), Reed et al.

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