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2 370 334

(13)

(51)

IPC

B21J1/04(2006-01-01)

(21) (22)

Application

2007149622/02, 2007-12-27

(24)

Start date

2007-12-27

(22)

Actual filing date

2007-12-27

(45)

Published

2009-10-20

(72)

Inventor

Komaishko Sergej GeorgievichKomaishko Andrej GeorgievichKulik Georgij NikolaevichMoisej Mikhail Vil'Gel'MovichNazar'Jan Vladimir AndronikovichPankratov Igor' NikolaevichSuzdal' Konstantin Valer'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHODS OF FORGING BILLETS Russian patent published in 2009 - IPC B21J1/04

Abstract RU 2370334 C2

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming and can be used in forging billets in press forging shops. Billet sections are subjected to solid forging. Billet side surface is subjected, at each section, to sixfold squeezing to vary billet diametre and to planishing. Billet is turned over through 60 degrees each time. Degree of each squeezing is determined from certain relationships.

EFFECT: higher quality of forged pieces.

2 dwg, 2 tbl

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RU 2 370 334 C2

Authors

Komaishko Sergej Georgievich

Komaishko Andrej Georgievich

Kulik Georgij Nikolaevich

Moisej Mikhail Vil'Gel'Movich

Nazar'Jan Vladimir Andronikovich

Pankratov Igor' Nikolaevich

Suzdal' Konstantin Valer'Evich

Dates

2009-10-20—Published

2007-12-27—Filed