CARTRIDGE Russian patent published in 2011 - IPC F42B12/42 

FIELD: weapons and ammunition.

SUBSTANCE: cartridge includes case and shell, which are connected by a link destructed during firing. Shell includes body with driving band above its thickened bottom, fairing, pyrotechnic retarder, charge of black rifle powder and stick of lighting compound. Body is made in the form of shell and fairing is made in the form of cap. Fairing is connected to body by means of a link destructed during shell operation. Pyrotechnic retarder is installed in the hole of body bottom. Charge of black rifle powder is arranged in end groove of body bottom. Bottom of body is made from plastic material with outer annular groove in front of driving band and end projections. Fairing is equipped with cylindrical extension piece at front end of which there is outer diametrical thinning of its wall. Lighting compound is pressed into fairing and cylindrical extension piece. Fairing with its cylindrical extension piece is put on plastic body till lighting compound is borne against it. End projections of the body are arranged in end slots of lighting compound, and their link destructed during shell actuation is formed with rolling of some part of thinned wall of cylindrical extension piece into annular groove of the body.

EFFECT: higher reliability and safety of cartridge operation.

2 cl, 2 dwg