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2 118 579

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C1

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IPC

(21) (22)

Application

97116612/02, 1997-10-07

(22)

Actual filing date

1997-10-07

(45)

Published

1998-09-10

(72)

Inventor

Antipanov V.G.Safronov M.F.Afanas'Ev V.F.Krivonosov S.V.

(73)

Holder

Oao Metallurgicheskij Kombinat"

CHANNEL-TYPE BENT SECTION Russian patent published in 1998 - IPC

Abstract RU 2118579 C1

FIELD: production of cold bent rolled bars. SUBSTANCE: section is made of zinc plated steel with thickness S=(0.5-1.0)mm. It includes flanges and corrugated web with bending radius R1=(2.0-2.5)S. Flanges have lengthwise corrugations and on their edges - beads turned inside section and inclined relative to flanges by 45 degrees. Bending radius R2 between flanges and beads is equal to (1.5-1.8)S. Minimum distance l2 between flange corrugations is equal to 8S. Minimum distance l1 from corrugation root until respective bending zone is equal to 2R. EFFECT: increased rigidity, enhanced geometry of section. 1 dwg, 1 expt

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RU 2 118 579 C1

Authors

Antipanov V.G.

Safronov M.F.

Afanas'Ev V.F.

Krivonosov S.V.

Dates

1998-09-10—Published

1997-10-07—Filed

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