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2 021 055

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IPC

(21) (22)

Application

5037205/27, 1992-04-14

(22)

Actual filing date

1992-04-14

(45)

Published

1994-10-15

(72)

Inventor

Petrov A.M.Mar'In B.N.Makarov K.A.Murav'Ev V.I.Frolov P.V.Mar'In S.B.Orlov S.N.Serbul M.T.

(73)

Holder

Komsomol'Skij-Na-Amure Aviatsionnyj Zavod Im.Ju.A.Gagarina

METHOD OF STAMPING PARTS FROM SHEET BLANKS WITH HYDRAULIC PRESS Russian patent published in 1994 - IPC

Abstract RU 2021055 C1

FIELD: metal plastic working. SUBSTANCE: method involves installation of sheet blank 4 in clamps 3 between female die 1 and male die 2, its electrocontact heating, tensioning and shaping. Prior to heating sheet blank 4 is mounted between female and male dies at minimum distance from one another to exclude touching the blank by surface of female and male dies. EFFECT: reduced energy consumption for blank heating at the expense of heat dissipation to environment and slow cooling of shaped piece excluding distortion and warping. 1 dwg

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RU 2 021 055 C1

Authors

Petrov A.M.

Mar'In B.N.

Makarov K.A.

Murav'Ev V.I.

Frolov P.V.

Mar'In S.B.

Orlov S.N.

Serbul M.T.

Dates

1994-10-15—Published

1992-04-14—Filed