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2 063 282

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IPC

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Application

94027553/02, 1994-07-20

(22)

Actual filing date

1994-07-20

(45)

Published

1996-07-10

(72)

Inventor

Gridnevskij V.I.Antipanov V.G.Afanas'Ev V.F.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

PROCESS FOR MANUFACTURING SHAPED BENT TROUGH PROFILE Russian patent published in 1996 - IPC

Abstract RU 2063282 C1

FIELD: plastic metal working. SUBSTANCE: main problem solved by invention deals with diminished labor input while manufacturing bent trough profiles without decrease of their quality and reduced wear-out of rolls. Process consists in successive bending of strip billet in each pass with rolls with formation of rounding radii between conjugate elements of section. During first three passes bending is carried out through angle of 20 deg with rounding radii in these and next passes equal to thickness of profile. During last pass clamping of horizontal flanges is conducted simultaneously with deformation of profile. EFFECT: diminished labor input, reduced wear-out of rolls.

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RU 2 063 282 C1

Authors

Gridnevskij V.I.

Antipanov V.G.

Afanas'Ev V.F.

Dates

1996-07-10—Published

1994-07-20—Filed

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