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2 212 288

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IPC

(21) (22)

Application

2001134031/02, 2001-12-18

(24)

Start date

2001-12-18

(22)

Actual filing date

2001-12-18

(45)

Published

2003-09-20

(72)

Inventor

Takhautdinov R.S.Morozov S.A.Urtsev V.N.Khabibulin D.M.Berdichevskij Ju.E.Voronkov S.N.

(73)

Holder

Oao Metallurgicheskij Kombinat"

SHAPED SECTION PRODUCTION METHOD Russian patent published in 2003 - IPC

Abstract RU 2212288 C1

FIELD: manufacture of rolled products. SUBSTANCE: method involves deforming blank in number of butterfly angles-type shaping passes and forming section by squeezing and bending simultaneously in each pass, with height of pass increasing in direct proportion to total squeezing extent and being determined from mathematical dependence. EFFECT: increased efficiency by stabilized bending stresses due to minimized non-uniformity of deformation in passes and reduced temperature difference. 1 tbl, 1 ex

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RU 2 212 288 C1

Authors

Takhautdinov R.S.

Morozov S.A.

Urtsev V.N.

Khabibulin D.M.

Berdichevskij Ju.E.

Voronkov S.N.

Dates

2003-09-20—Published

2001-12-18—Filed