Metal cathode sheet
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United States of America Patent
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Jun 10, 2003
Grant Date -
Jun 6, 2002
app pub date -
Aug 16, 2001
filing date -
Aug 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a metal cathode sheet as component of cathode equipment for an electrolysis tank for the electrolytic recovery of pure metals, especially copper. The cathode sheet is provided, at its side edges which come into contact with the electrolyte and are vertically aligned in the electrolysis tank, with an edge protector, made of a ceramic material. The edge protector is electrically insulating, of dense porosity and resistant to electrolyte. Sharp-edged breakthroughs and the outer cathode cutting edges are completely coated by edge protector. In this manner flux line concentrations at these locations are forestalled.
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