METHOD OF MANUFACTURE OF FRAGMENTATION PART OF FRAGMENTATION AND PARTICLE SHELL Russian patent published in 2015 - IPC F42B12/00 

FIELD: weapon and ammunition.

SUBSTANCE: method of manufacture of fragmentation part of fragmentation and particle shell consists in fabrication of the fragmentation part from the semi-finished striking elements, making of annular layers of the fragmentation part in the form of interfaced cylindrical spirals from metal bar with profiled cross section, and into intervals between turns the ready striking elements are installed. At least on one surface, it is preferable on all surfaces, at least of one spiral, preferably on all spirals, cross corrugations are made. At least, one spiral of annular layer, preferably all, is made with pre-set pitch. Overall dimensions of elements are selected equal to thickness of the spiral and width of the gap between turns.

EFFECT: increased efficiency of shell.

17 cl, 7 dwg