CORRUGATED FORMED SECTION Russian patent published in 2008 - IPC B21D13/10

Abstract RU 2342210 C2

FIELD: technological processes.

SUBSTANCE: profile has repeated corrugations. Corrugations are arranged with closed circuit in cross section. Distance between corrugations makes 1...11 of corrugation maximum width. Contact elements of corrugations are tightly connected to each other.

EFFECT: profiles rigidity is increased.

2 cl, 3 dwg, 1 ex

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RU 2 342 210 C2

Authors

Naletov Vasilij Vasil'Evich

Dates

2008-12-27—Published

2006-12-26—Filed