Ammunition and explosives – Cartridges – Wear reducing additive for barrel
Patent
1994-03-24
1995-06-06
Tudor, Harold J.
Ammunition and explosives
Cartridges
Wear reducing additive for barrel
102442, F42B 524
Patent
active
054212634
ABSTRACT:
A cartridge for firearms, comprising a shell (1), a primer disposed in the shell, and a liquid space containing a liquid (5) to be spread on the inner surface of a barrel. According to the invention, the liquid space (3a) is formed by a cylinder within which there is mounted a piston (4). When the primer (2) is detonated by the action of a firing pin, the piston (4) propels the liquid (5) in front of it, whereby the liquid (5) expels a plug (6) from the orifice through which oil is to be sprayed and spreads as a spray on the inner surface of the barrel.
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patent: 4843750 (1989-07-01), Blase
patent: 4998368 (1991-03-01), Blase
patent: 5072672 (1991-12-01), Lefumeux
Raikka Oy
Tudor Harold J.
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