APPARATUS FOR DRAWING ROUND SECTIONS Russian patent published in 1997 - IPC

Abstract RU 2086323 C1

FIELD: plastic metal working, namely metal drawing. SUBSTANCE: apparatus is in the form of rotating body having built-in pressure tube with shaped inner surface and drawing die with recesses in its cone portion. When drawing die rotates said recesses provide additional liquid pressure acting upon blank. EFFECT: enhanced manufacturability at drawing blanks of hard-to-form materials. 4 dwg

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RU 2 086 323 C1

Authors

Odinokov V.I.

Proskurjakov B.I.

Dates

1997-08-10—Published

1994-03-05—Filed