External counter electrode
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United States of America Patent
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Jan 4, 2005
Grant Date -
Aug 15, 2002
app pub date -
Apr 22, 2002
filing date -
Sep 20, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A system and process for cleaning a hollow interior or a passageway of a metal member including an external container having counter electrode material with a higher potential than the metal member with the counter electrode material being dc coupled to the metal member, and electrolyte passing through the container to contact the counter electrode material and fluidicly coupled into the hollow interior or the passageway of the metal member to clean same.
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