Liquid pressure extrusion method and device for tube or tubular

Metal deforming – By application of fluent medium – or energy field – Using fixed die

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72269, 72468, B21D 2210

Patent

active

041388712

ABSTRACT:
A liquid pressure extrusion method and device for extruding a billet into a tube or tubular member wherein combined dies are used for extruding a solid billet therethrough under a liquid pressure.

REFERENCES:
patent: 293600 (1884-02-01), Sloan
patent: 2031008 (1936-02-01), Schwerak
patent: 2135194 (1938-11-01), Underhill
patent: 2673645 (1954-03-01), Moczik
patent: 2811253 (1957-10-01), Schieren
patent: 3457760 (1969-07-01), Cassady et al.
patent: 3767368 (1973-10-01), Fuchs, Jr.
patent: 3910085 (1975-10-01), Biddell

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