CARTRIDGE Russian patent published in 2015 - IPC F42B5/02 

FIELD: weapon and ammunition.

SUBSTANCE: cartridge contains a cartridge case with propellant charge and a striking element coupled therewith by linkage collapsible at shot. The striking element comprises a plastic base with a master belt and an elastic tip connected to it. The plastic base is formed by external and internal bodies installed with a possibility of longitudinal movement with reference to each other with thrust by the open end face of the internal body into the bottom of the external one. The bodies are fitted with piston seal between them and interconnected by a flexible linkage placed in the internal body cavity and having the length, smaller the total length of internal cavities of both bodies. The external body is implemented with the weight significantly larger, than that of the internal body. The external body is fitted with a throttle hole with a backpressure valve in its bottom and annular expansion on its internal surface with formation at its forward end face of an annular ledge. The tip is implemented as a thin-walled cover which is put on the internal body from its bottom, fastened to its bottom and fitted from the open end face with the external diametrical lowering limited by an annular recess.

EFFECT: simplification of operation and improvement of safety of the cartridge.

4 cl, 3 dwg