Process for manufacturing a tubular semifinished copper alloy pa

Details Process for manufacturing a tubular semifinished copper alloy pa Process for manufacturing a tubular semifinished copper alloy pa

1988-10-03

1990-01-30

Larson, Lowell A.

Metal deforming

By extruding through orifice

With cutting

B21C 3504

Patent

active

048965219

ABSTRACT:
A process comprising at least a first stage wherein a copper alloy ingot is placed against the end wall of a cavity in a mold, and at least a second stage wherein a pressure member, designed to move along the longitudinal axis of the cavity, exerts sufficient pressure on the ingot to permanently deform and spread the material of the same inside the cavity in the opposite direction to the aforementioned pressure member, so as to form an intermediate semifinished part having a side wall and an end wall which is subsequently cut off.

REFERENCES:
patent: 590130 (1897-09-01), Bungeroth
patent: 2679931 (1954-06-01), Cigliano
patent: 3080650 (1963-03-01), Jury
patent: 3793870 (1974-02-01), Allen

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