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2 040 997

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IPC

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Application

93007448/08, 1993-02-11

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Actual filing date

1993-02-11

(45)

Published

1995-08-09

(72)

Inventor

Gridnevskij V.I.Antipanov V.G.Afanas'Ev V.F.Tarasov S.Ja.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat Im.V.I.Lenina"

SHEET BENT SECTION PRODUCTION METHOD Russian patent published in 1995 - IPC

Abstract RU 2040997 C1

FIELD: metal pressure forming. SUBSTANCE: method of producing sheet bent sections comprises successive-pass bending up of members of s strip blank with tension of it by sized rolls in such a way, that rough-pass bending up with formation of two folding is being performed by members of rolls with a predetermined difference of their diameters and with simultaneous disengagement of a portion of the strip at a side of its edge with a member of an upper small-diameter roll; forming a bottom of a corrugation with a folding of less height and a flat intercorrugation portion at a prefinal pass by use of members of lower and upper rolls with the same dimensions. EFFECT: enhanced consumers properties of sections. 1 cl, 1 dwg

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RU 2 040 997 C1

Authors

Gridnevskij V.I.

Antipanov V.G.

Afanas'Ev V.F.

Tarasov S.Ja.

Dates

1995-08-09—Published

1993-02-11—Filed

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