DIE Russian patent published in 1994 - IPC

Abstract RU 2019358 C1

FIELD: plastic working of metals. SUBSTANCE: die has lower shoe with blind openings in its supporting surface. Openings are adapted for receiving spring-loaded balls, which are extending beyond shoe base plane for a value less than diameter of ball. Balls and springs are positioned perpendicular to base of lower shoe. Total spring force value exceeds die weight value. EFFECT: simplified construction, wider operational capabilities and enhanced reliability in operation. 3 dwg

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RU 2 019 358 C1

Authors

Dunaeva М.А.

Dates

1994-09-15—Published

1992-02-10—Filed