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2 057 610

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IPC

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Application

3181720/08, 1988-10-06

(22)

Actual filing date

1988-10-06

(45)

Published

1996-04-10

(72)

Inventor

Pavlov Boris Vsevolodovich[Ua]Kolotusha Boris Mikhajlovich[Ua]Gorskij Sergej Aleksandrovich[Ua]

(73)

Holder

Proizvodstvennoe Ob"Edinenie Mashinostroitel'Nyj Zavod

METHOD OF FORMING CONE PARTS FROM TUBULAR BLANKS Russian patent published in 1996 - IPC

Abstract RU 2057610 C1

FIELD: metal pressure forming. SUBSTANCE: method comprises steps of placing a blank into a die set, expanding it by a heated punch, before expanding and upon the expanding process locally heating a portion of the blank, being deformed, up to a temperature, equal to (0.8-1.0) of temperature of plastic deformation of the material of the blank. EFFECT: enhanced efficiency at forming large-dimension cone parts. 1 cl, 1 dwg

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RU 2 057 610 C1

Authors

Pavlov Boris Vsevolodovich[Ua]

Kolotusha Boris Mikhajlovich[Ua]

Gorskij Sergej Aleksandrovich[Ua]

Dates

1996-04-10—Published

1988-10-06—Filed

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