CPC F42B 12/24 (2013.01) [F42B 12/22 (2013.01); F42B 27/00 (2013.01)] | 7 Claims |
1. A frangible munitions device optimized for a dome and cylinder which yields a plurality of fragments having shapes corresponding to a predetermined embossment pattern upon explosive rupture, comprising:
a dome top having an inner surface; and
a hollow cylinder having an inner surface and an axis;
said inner surface defining a first set of inner regular hexagonal embossments formed into said dome and cylinder and aligned with said axis of said cylinder; and
said inner surface defining a second set of outer pre-deformed hexagonal shapes that distort to produce regular hexagonal shapes after drawing into the cylinder wall;
wherein said second set of outer pre-deformed hexagonal shapes are separated by sharp transition regions;
wherein said first and second shapes are embossed in a repeated pattern around said hollow cylinder and said dome top;
wherein said dome yields a plurality of fragments having shapes corresponding to said first set of inner regular hexagonal embossments upon explosive rupture; and
wherein said cylinder yields a plurality of fragments having shapes corresponding to said second set of outer pre-deformed hexagonal embossments upon explosive rupture.
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