Method of continuously transforming solid non-ferrous metal into

Details Method of continuously transforming solid non-ferrous metal into Method of continuously transforming solid non-ferrous metal into

1975-11-10

1976-10-26

Baldwin, Robert D.

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72264, 72270, B21C 3300, B21C 2902

Patent

active

039876551

ABSTRACT:
A method and apparatus for continuously extruding non-ferrous metal is shown and described wherein solid metal, such as bar stock, is fed into an entry port of an entirely enclosed melting crucible until the crucible is full of molten metal. A seal is maintained between the metal being fed and the entry port to establish pressure in the crucible and to prevent leakage back through the entry port. When the crucible is full, means are provided to re-solidify the molten metal adjacent a closed exit port. Thereupon, the exit port is opened and the re-solidified metal is extruded through the exit port at the same volumetric rate as metal is fed through the entry port.

REFERENCES:
patent: 1808370 (1931-06-01), Munson
patent: 1924294 (1933-08-01), Shirk et al.
patent: 2454961 (1948-11-01), Booth

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