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2 090 286

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IPC

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Application

93018204/02, 1993-04-08

(22)

Actual filing date

1993-04-08

(45)

Published

1997-09-20

(72)

Inventor

Mar'In B.N.Frolov P.V.Makarov K.A.Meshcherjakov A.E.Petrov A.M.

(73)

Holder

Komsomol'Skoe-Na-Amure Aviatsionnoe Proizvodstvennoe Ob"Edinenie

BLANK FOR SHEET FORMING WITH USE OF RESISTANCE HEATING Russian patent published in 1997 - IPC

Abstract RU 2090286 C1

FIELD: plastic metal working, namely hot forming of sheet blanks with use of resistance heating. SUBSTANCE: mutually opposite ends of blank jammed in current lead terminals-clamps are provided with cutouts. Said cutouts weaken blank and create conditions for closely clamping its opposite ends in said terminals- clamps. Close contact at electric current passing prevents overheating of blank. EFFECT: possibility of forming hard-to-form titanium alloys in presses with resistance heating. 3 dwg

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RU 2 090 286 C1

Authors

Mar'In B.N.

Frolov P.V.

Makarov K.A.

Meshcherjakov A.E.

Petrov A.M.

Dates

1997-09-20—Published

1993-04-08—Filed

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