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2 443 486

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(51)

IPC

B21C37/16(2006-01-01)

(21) (22)

Application

2010128448/02, 2010-07-09

(24)

Start date

2010-07-09

(22)

Actual filing date

2010-07-09

(45)

Published

2012-02-27

(72)

Inventor

Samusev Sergej VladimirovichBol'Dt Vladimir Vasil'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Issledovatel'Skij Tekhnologicheskij Universitet

METHOD OF PRODUCING WELDED SHAPED TUBES Russian patent published in 2012 - IPC B21C37/16

Abstract RU 2443486 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming and may be used in production of square- or rectangular-section tubes. Billet is shaped in roll gages of pipe shaping mill incorporated with continuous tube welding plant. Working tool is mounted at drive working stands to produce geometrical parameters of tube billet. Shaping process features uniform distribution of tube section flange curvature and uniform squeezing in deformation source at mill stands.

EFFECT: ruled out flange flexure defects, reforming of flexure points.

8 dwg

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RU 2 443 486 C1

Authors

Samusev Sergej Vladimirovich

Bol'Dt Vladimir Vasil'Evich

Dates

2012-02-27—Published

2010-07-09—Filed