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2 006 368

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C1

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IPC

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Application

5000033/27, 1991-08-21

(22)

Actual filing date

1991-08-21

(45)

Published

1994-01-30

(72)

Inventor

Blik F.S.Vasil'Kovskij V.P.Igumnov A.E.Krivonos G.A.Kojres V.I.Pylajkin P.A.Sinitskij V.M.Khramov L.B.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Tjazhelogo Mashinostroenija"

HYDRAULIC STAMPING PRESS Russian patent published in 1994 - IPC

Abstract RU 2006368 C1

FIELD: plastic metal working. SUBSTANCE: one of the force stages of the press has four working cylinders located on the side of a four bar linkage, the return cylinders are made equal to the number and force of the working cylinders and are connected to them along a diagonal by controllable valves. One group of valves is connected for shutting the like cylinders off, and the other one - for their diagonal connection. EFFECT: reduced metal usage, improved accuracy. 2 dwg

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RU 2 006 368 C1

Authors

Blik F.S.

Vasil'Kovskij V.P.

Igumnov A.E.

Krivonos G.A.

Kojres V.I.

Pylajkin P.A.

Sinitskij V.M.

Khramov L.B.

Dates

1994-01-30—Published

1991-08-21—Filed

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