ARTILLERY SMALL-CALIBER ROUND Russian patent published in 2004 - IPC

FIELD: ammunition, in particular, artillery small-caliber fixed rounds. SUBSTANCE: the artillery small-caliber round has an interconnected shell and a shell case including a bulk powder propelling charge and a bottom primer communicating through a duct with an expansion, the primer is installed on the anvil of the case filled with an intensifying priming charge and fastened in an obturation shell in the form of a sleeve with a damping spacer on the bottom, and its upper end face is flanged on a cup-shaped cover made with a central window installed in the case for longitudinal movement, the shell is installed in the duct expansion made from the case end face and having a radial groove. EFFECT: enhanced safety of use and functional reliability of the construction of the fixed round; enhanced inflammation dynamics and stability of burning of the propelling charge powder, improved ballistics of the shell. 3 dwg