METHOD FOR PRODUCTION OF PIPES AND HOLLOW SHAPES Russian patent published in 1994 - IPC

Abstract RU 2006309 C1

FIELD: metal pressure shaping. SUBSTANCE: hollow billet is placed in container between male and female die. The container is sealed, with male die moving and pressing the billet off the female die. A portion of liquid from autonomous source is supplied to the container at the end of the sealing process. Then the billet is pressed out. EFFECT: improved process characteristics. 1 dwg

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RU 2 006 309 C1

Authors

Kuz'Ko Jurij Petrovich

Dates

1994-01-30—Published

1991-11-05—Filed