STEEL CYLINDRICAL ENVELOPE Russian patent published in 2010 - IPC B21D51/12 B21D5/00 B21D15/00

Abstract RU 2384381 C1

FIELD: metallurgy.

SUBSTANCE: steel cylindrical shell contains two surfaces made of corrugated sheet, bump of which are mutually perpendicular, herewith bumps of one of cylindrical surfaces are directed lengthwise of cylinder generatrix and vertexes of corrugation, crimps of both surfaces are contact to each other. Additionally ratio of shells parametres are received experimentally.

EFFECT: reduced metal consumption and increases rigidity of shells.

3 cl, 1 dwg, 1 ex

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RU 2 384 381 C1

Authors

Antipanov Vadim Grigor'Evich

Kornilov Vladimir Leonidovich

Dates

2010-03-20—Published

2008-07-21—Filed