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2 037 352

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C1

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IPC

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Application

93030279/08, 1993-06-01

(22)

Actual filing date

1993-06-01

(45)

Published

1995-06-19

(72)

Inventor

Antipanov V.G.Gridnevskij V.I.Afanas'Ev V.F.Shutkin S.A.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF MANUFACTURING U-SHAPED BEAMS Russian patent published in 1995 - IPC

Abstract RU 2037352 C1

FIELD: mechanical working. SUBSTANCE: invention is aimed to improve quality of curved U-shaped beams by means of improving their configuration. Forming rolls turn in band workpiece successively in passes and at the same time centering the band through applying horizontal efforts to its edges after passes. Peculiarity of method is that when centering the band after each three last passes additional vertical efforts are applied to the bottom of the forming beam. After final pass additional horizontal efforts are applied to wall points connected with curved points between the bottom and walls. EFFECT: enhanced quality. 3 dwg

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RU 2 037 352 C1

Authors

Antipanov V.G.

Gridnevskij V.I.

Afanas'Ev V.F.

Shutkin S.A.

Dates

1995-06-19—Published

1993-06-01—Filed

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