SMALL ARMS CARTRIDGE
FIELD: ammunition. ^ SUBSTANCE: the cartridge has a steel cartridge case with a bullet placed in it, primer cap and a powder charge. A layer of brass, 3 to 5mum thick, with a content by mass of copper within 64 to 71 per cent, zinc-within 28 to 35 per cent, the rest-admixtures is applied by the elec...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: ammunition. ^ SUBSTANCE: the cartridge has a steel cartridge case with a bullet placed in it, primer cap and a powder charge. A layer of brass, 3 to 5mum thick, with a content by mass of copper within 64 to 71 per cent, zinc-within 28 to 35 per cent, the rest-admixtures is applied by the electrochemical method on the outside and inside surfaces with a finally formed geometry of the cartridge case. ^ EFFECT: prevented wedging of the cartridge case in the cartridge chamber, reduced probability of break-away of the bottom of the cartridge case from its body. ^ 1 dwg |
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