Copper cathode starting sheets
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United States of America Patent
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Nov 28, 2000
Issued Date -
N/A
app pub date -
Jun 14, 1999
filing date -
May 3, 1996
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Abstract
Wrought copper cathode starting sheets for use in the electrolytic production of copper made preferably by a continuous casting and rolling process are provided. Refined copper is melted in a shaft furnace and continuously cast preferably using a twin belt horizontal caster and straight line rolled to reduce the thickness of the casting by about 25% to 98% to produce a sheet having a thickness up to about 0.123 inch. The continuous sheet is cut after the rolling process from uncoiled sheet into discrete rectangular shapes suitable for use as a starting sheet, as a starting sheet blank or other metal sheet uses such as cladding and roofing.
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