APPARATUS FOR MAKING T-PIECES FROM TUBULAR BLANK Russian patent published in 1998 - IPC

Abstract RU 2122478 C1

FIELD: plastic metal forming, namely forming parts from tubular blanks, possibly in airplane manufacture, ship building and other allied industry branches. SUBSTANCE: apparatus for making T-piece includes cone punch, inductor for heating by high-frequency electric current and die made of heat resistant dielectric material or metal with low permeability. EFFECT: reduced cost price of ready article due to lowered electric energy consumption for heating deformed edge. 2 dwg

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RU 2 122 478 C1

Authors

Ivanov Ju.L.

Makarova E.A.

Mar'In B.N.

Murav'Ev V.I.

Dates

1998-11-27—Published

1997-08-13—Filed