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2 083 312

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IPC

(21) (22)

Application

5021739/02, 1991-12-05

(22)

Actual filing date

1991-12-05

(45)

Published

1997-07-10

(72)

Inventor

Kostjuchenko A.V.Golovin V.A.Filippov Ju.K.

(73)

Holder

Sovmestnoe Rossijsko-Germanskoe Predprijatie

METHOD OF FORMING ROD PARTS HAVING HEAVY HEAD WITH CAVITY Russian patent published in 1997 - IPC

Abstract RU 2083312 C1

FIELD: plastic metal working. SUBSTANCE: method comprises steps of using blank with diameter corresponding to diameter of head end, simultaneously forming cavity, calibrating head end and metering volume by combination pressing out; making outer contour of head successively along height at metal taking and at final upsetting; fixing predetermined profile of cavity by means of mandrel. EFFECT: enhanced efficiency. 2 cl, 5 dwg

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RU 2 083 312 C1

Authors

Kostjuchenko A.V.

Golovin V.A.

Filippov Ju.K.

Dates

1997-07-10—Published

1991-12-05—Filed

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