GAS CARTRIDGE WITH IRRITANT POWDERED SUBSTANCE Russian patent published in 1997 - IPC

FIELD: gas weapon ammunition, in particular cartridge cases with irritant powdered substance. SUBSTANCE: gas cartridge uses a metal cartridge case, igniter, powder charge, plastic capsule made in the form of a cup and filled with irritant powdered substance separated from the charge by a membrane. The end by a value equal to the thickness of the capsule side wall, with a wedge-shaped annular gap between the cartridge case and capsule. Made on grooves converging on the longitudinal axis of symmetry of the capsule, the depth of the grooves increases to the point of their intersection, and ribs are made on the inner surface of the capsule inclined to its longitudinal axis of symmetry, arranged in the bisectors of the angles between the grooves. In cross-section the ribs have the shape of an isosceles triangle and converge cylindrical surface is provided in the place of joining by the height of the ribs. EFFECT: enhanced efficiency. 2 dwg