Hydrogen cleaning of hot copper rod

Details Hydrogen cleaning of hot copper rod Hydrogen cleaning of hot copper rod

1987-12-22

1989-05-02

Roy, Upendra

Metal treatment

Compositions

Heat treating

148 203, C01G 2500

Patent

active

048265446

ABSTRACT:
This invention relates to a method for removing an oxide scale from the surface of a hot rolled copper rod in an in-line process. The method comprises the steps of passing the rod through a chamber containing a reducing atmosphere, the chamber being immediately adjacent to the exit end of the rod rolling mill. The rod passes through the hydrogen containing chamber while it is still hot from the rolling operation, and the reducing atmosphere reduces the oxide scale to metallic copper. After passing through the chamber, the rod is cooled in an aqueous bath and then coiled.

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patent: 4099399 (1978-07-01), Berry et al.
patent: 4247327 (1981-01-01), Plewes

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