DIE SET FOR EXPANDING HOLLOW BLANKS Russian patent published in 1997 - IPC

Abstract RU 2083307 C1

FIELD: plastic metal working. SUBSTANCE: die set for expanding hollow blanks includes stationary plate with cone yoke rigidly secured to it, connectable die arranged in said yoke and having sections joined with yoke by levers arranged in radial grooves of yoke and die, member for knocking out die and mechanism for returning die to initial position. Die set also has mechanism with spring-loaded stem for knocking out parts from opened die. EFFECT: improved design. 2 cl, 6 dwg

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RU 2 083 307 C1

Authors

Shitov V.A.

Dates

1997-07-10—Published

1991-03-21—Filed