Process and apparatus for the superficial electrolytic treatment of metal strips
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United States of America Patent
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May 16, 2006
Grant Date -
Mar 4, 2004
app pub date -
Sep 21, 2001
filing date -
Sep 22, 2000
priority date (Note) -
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Abstract
An apparatus for the superficial electrolytic treatment of metal strips, comprising several separate and non-communicating tanks, or containers, located along the path of metal strip (13). A series of electrodes in pairs (14', 15', 14'', 15'', 14''', 15'''), arranged as tunnels, is situated along the path. Each pair is associated with a container (2', 2'', 2'''), in which an electrod 14', 14'', 14''') of each pair is located above the strip and the other (15', 15'', 15''') is located below said strip, in a reciprocally opposits position and at an appropriate distance. The electrode pairs alternately have opposite polarity and each of them is respectively associated with a container. Rollers (3, 3', 3'', 3''') in pairs for strip pressing are situated at the common border of adjacent containes for the galvanic separation of the strip surface areas facing the electrode pairs of opposite polarity.
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