Cathode plate for electro winning and refining
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United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Oct 9, 2000
filing date -
Oct 9, 2000
priority date (Note) -
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Abstract
A cathode plate particularly adapted for zinc and copper electro-winning and refining includes a panel of aluminum having a top and two opposed side edges, a sloped plastic shield along the top and plastic ribbons along the side. A head bar with two hooks is welded on the top of the plate. The top plastic molding and the side edge ribbons are manufactured simultaneously by a specially devised injection machine. When the cathode plates are immersed into the electrolyte, the top plastic shield keeps the zinc deposit level uniform and prevents the top portion and the liquid contact area of cathode plates from corrosion by acid mist generated during electrochemical reactions. The sloped lower part of top plastic shield facilitates inserting a stripping knife between the zinc deposit and the cathode plate.
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