Manufacture of copper wire rod

Details Manufacture of copper wire rod Manufacture of copper wire rod

1979-10-25

1981-09-22

Skiff, Peter K.

Metal treatment

Compositions

Heat treating

75 76, 148 115C, 164476, C22F 108

Patent

active

042908230

ABSTRACT:
A process for the continuous manufacture of copper wire rod presenting both the good ductility of oxygen-free copper and the annealing capacity of the tough pitch copper, in which liquid copper is prepared containing from about 0.006 to 0.0095% by weight of oxygen, the said liquid copper is cast via an open pouring spout in a continuous casting machine having an inclined straight molding cavity for producing a continuous copper bar containing 0.01 to 0.02% by weight of oxygen and which consists of a shell of solid copper and a core of liquid copper, the said bar on leaving the casting machine is cooled by repeated and direct contact with a cooling agent for complete solidification and the solidified bar is guided towards a horizontal rolling mill known "per se" along a curved path the maximum curvature of which is less than 0.25 m.sup.-1, and the said bar is rolled into wire rod.

REFERENCES:
patent: 2265284 (1941-12-01), Hulme et al.
patent: 3199977 (1965-08-01), Phillips et al.
patent: 3589430 (1971-06-01), Barrow et al.
patent: 3716423 (1973-02-01), Cofer

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