METHOD TO HEAD PIECES WITH DIRECT SLOT ON HEAD Russian patent published in 1995 - IPC

Abstract RU 2039625 C1

FIELD: metal working. SUBSTANCE: to make heading they first cut measuring billet of cutting off die. Billet is set in heading die, made with grooves and groove-making and slot-making members, located in plane of axes of cutting off die and heading die. Groove and slot are formed on head with periodical rotation of cutting off die or its turnover after exceeding non-perpendicularity of biller butts and polishing of cutting off die. EFFECT: method is used in metal working. 9 dwg

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RU 2 039 625 C1

Authors

Maksimov Nikolaj Ivanovich

Tsikota Vladimir Andreevich

Dates

1995-07-20—Published

1992-12-01—Filed