F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 7/08 (2006.01)
Patent
CA 2137379
2137379 9423264 PCTABS00033 A shotgun cartridge has a tracer and a wad provided with a concentrator cup (6). The bottom plate (7) of the wad is provided with weakenings which break during firing so that the bottom plate slides forwards on the wad. The tracer is a spherical shaped element (23) carrying a cylindrical tail (24) in which the pyrotechnic tracer charge (25, 26) is located. The tracer (23) is disposed in a conical seat (18) of the wad. First tracer composition: 15-35 % magnesium powder; 30-50 % barium peroxide; 20-40 % strontium nitrate; 2-10 % chlorine. Second tracer composition: 15-35 % Mg powder; 40-60 % potassium nitrate; 20-30 % strontium nitrate; 2-10 % chlorine; 5-15 % binder. Third tracer composition: 30-40 % Mg; 10-20 % potassium perchlorate; 35-45 % strontium nitrate; 5-15 % binder.
Elmetengineering - Bg
Ganev Gancho M.
Ridout & Maybee Llp
LandOfFree
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