BLANKED PRECISION CARTRIDGE CASE Russian patent published in 2020 - IPC B23D21/14

Abstract RU 2732462 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to devices for producing tubular billet in multi-position machine for cold forming. Cutting device for producing uniformly cut edge tubular billet in multi-position machine for cold forming includes bushing, cutting tool and mechanism, providing radial and rotary movement of cutting tool relative to bushing. Multiple-position machine for cold forming includes fixed lower part of die and plunger made with possibility of back-and-forth movement. Sharp edges of cutting tool and sleeve are arranged to cut tubular billet. Note here that ring is removed from tubular billet to make even edge.

EFFECT: technical result is obtaining a uniformly located edge of tubular billet in multi-position machine for cold forming.

3 cl, 5 dwg

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RU 2 732 462 C1

Authors

Khej, Tomas E.

Karper, Dzheffri V.

Vasserman, Stenli Dzh.

Dates

2020-09-17—Published

2013-09-04—Filed