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2 393 934

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IPC

B21D5/06(2006-01-01)

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Application

2009117371/02, 2009-05-06

(24)

Start date

2009-05-06

(22)

Actual filing date

2009-05-06

(45)

Published

2010-07-10

(72)

Inventor

Antipanov Vadim Grigor'EvichKornilov Vladimir LeonidovichArkhandeev Aleksandr VladimirovichShchurov Grigorij Viktorovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

CLOSED ROLL-FORMED SECTION Russian patent published in 2010 - IPC B21D5/06

Abstract RU 2393934 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming, in particular to rolling. Closed roll-formed section comprises horizontal and vertical elements that form rectangular cross section. Semi-circular corrugation is made on all section elements and has its apices directed inward. Note here that two top horizontal elements are interlocked, their joint being perpendicular to section horizontal section and having particular cross section thickness.

EFFECT: higher rigidity.

3 cl, 2 dwg

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RU 2 393 934 C1

Authors

Antipanov Vadim Grigor'Evich

Kornilov Vladimir Leonidovich

Arkhandeev Aleksandr Vladimirovich

Shchurov Grigorij Viktorovich

Dates

2010-07-10—Published

2009-05-06—Filed