Hydrostatic extrusion press

Details Hydrostatic extrusion press Hydrostatic extrusion press

1976-06-29

1977-12-27

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72272, 72DIG31, B21D 2210

Patent

active

040647234

ABSTRACT:
In a press for hydrostatic extrusion, the die has a conical inlet portion and a portion forming a die opening. The die has draining channels which bypass the smallest cross-section of the die opening for the purpose of intercepting and diverting pressure medium which accompanies the billet as it moves down towards the smallest cross-section of the die. This removes any pressure medium which might otherwise pass through the die opening and damage the surface of the extruded article.

REFERENCES:
patent: 2002690 (1935-05-01), Carter
patent: 3364707 (1968-01-01), Foerster
patent: 3392562 (1968-07-01), Fuchs, Jr.
patent: 3434320 (1969-03-01), Green

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