FORMED SECTION PRODUCTION METHOD Russian patent published in 1996 - IPC

Abstract RU 2068747 C1

FIELD: metallurgy. SUBSTANCE: method involves bending strips of basic uniform-width billet to predetermined position; forming corrugation, having variable width along the length of section development, on billet portion corresponding to future wall; joining portions in the proximity of corrugation base at profile cross section by applying transverse compressive force to profile wall. EFFECT: increased efficiency, simplified method and improved quality of product. 2 cl, 7 dwg

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RU 2 068 747 C1

Authors

Deberdeev R.Ju.

Bosyj V.N.

Mar'In O.V.

Doktorov M.E.

Dates

1996-11-10—Published

1989-11-09—Filed