Ammunition and explosives – Igniting devices and systems
Patent
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.
Luther Hans Werner
Prochnow Jurgen
Dubno Herbert
Feinberg Samuel
Jordan C. T.
Montague Ernest G.
Rheinmetall G.m.b.H.
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