ARTILLERY SMALL-CALIBER CARTRIDGE Russian patent published in 2005 - IPC

FIELD: ammunition, in particular, fixed artillery cartridge with a subcaliber shell having a heavy core.

SUBSTANCE: the cartridge has interconnected cartridge case carrying the powder propellant charge and an armor-piercing shell having a heavy-alloy core with a tapered nose closed by a ballistic cap, body squeezed through a lead packing ring, provided with a driving band and a bottom chamber for the tracer. The novelty is in the fact that the tracer is installed in a supporting sleeve closed by polymeric spacer and a gas-distributing washer, which is hermetically sealed by the material of the annular collar of the body end face, the central throttling opening of the gas-distributing washer for communication with the powder propellant charge of the cartridge case is provided with radial ducts open on the side of the tracer, and drain holes are made in the body bottom chamber.

EFFECT: enhanced functional reliability of the ammunition, shell flight range and safety in service handling, with the armor-piercing capacity remaining at the level of the prototype.

5 dwg