Roll coater having a recirculation loop for treating excess fluid
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United States of America Patent
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Aug 13, 2013
Grant Date -
Oct 6, 2011
app pub date -
Apr 1, 2011
filing date -
Apr 2, 2010
priority date (Note) -
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Abstract
A roll coater with a recirculation loop is disclosed. Waste coating material form the roll coater is treated in an agitator unit containing, for example, one or more ultrasonic transducers, and optionally a filtration unit and/or temperature control unit to produce reconditioned coating solution, such as a reconditioned sol-gel precursor solution. Also disclosed is preventative maintenance module comprising a cleaning unit that is designed to engage and clean the applicator and/or metering rolls in a roll coater.
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