METHOD OF FORMING OGIVAL-SHAPE EQUIDISTANT SHELL STACK Russian patent published in 2012 - IPC B21D22/02 

Abstract RU 2466815 C2

FIELD: metallurgy.

SUBSTANCE: outer shell is made from conical blank to be placed in moulding tool to make inner shell and shaped by male die shaped to inner shell shape for shaped inner shell to be fitted thereon. Produced stack is marked by one number to proceed with shell making in pairs.

EFFECT: lower costs and higher quality.

1 dwg

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RU 2 466 815 C2

Authors

Koptev Ivan Tikhonovich

Omigov Boris Ivanovich

Gladkova Ljubov' Dmitrievna

Gordon Anatolij Mikhajlovich

Dorovskikh Valerij Alekseevich

Slin'Ko Vladimir Alekseevich

Vlasova Galina Nikolaevna

Dates

2012-11-20Published

2010-12-30Filed