MULTI-MODE TREATER WITH INTERNAL AIR COOLING SYSTEM
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United States of America Patent
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Aug 6, 2002
Grant Date -
Aug 15, 2002
app pub date -
Feb 14, 2001
filing date -
Feb 14, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A treater system includes a conductive roller electrode that supports a moving web that is to be treated. One or more active electrode assemblies mounted to support headers have a pair of active electrodes that are positioned to treat one surface of the web as the web passes over the roller electrode. Air or a gas/gas mixture can be selectively piped to a chamber adjacent the active electrodes and diffused along the length of the discharge surfaces to allow the treater to operate in three distinct modes: corona, chemical corona and atmospheric plasma. The active electrodes are cooled by passing air into and through tubular bodies of the active electrodes.
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