PROJECTILE-TO-PROPELLANT CHARGE JOINT Russian patent published in 2001 - IPC

FIELD: artillery ammunition. SUBSTANCE: the joint has a tail piece with lateral bosses installed on the projectile bottom, the cylindrical part of the tail piece is restricted by a flange and bosses, and a bush with a cylindrical hole, shaped slots in the form of a through and blind intersecting grooves installed on the propellant charge, and a pair of opposite cross-pieces faced in the diameter of the tail piece bosses. The tail piece cylindrical part is made stepped in the form of two cylinders of different diameters, the diameter of the cylinder positioned at the flange exceeds the diameter of the central hole of the bush, but is less than the diameter of the tail piece bosses. A cylindrical groove, whose diameter exceeds the diameter of the cylinder positioned at the flange of the tail piece, is made on the side of the bush end coaxially with its central hole. EFFECT: prevented non-standard joint of the projectile and propellant charge. 6 dwg