Web lifter/stabilizer and method
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Dec 11, 2015
filing date -
Jun 3, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Web lifter and/or stabilizer and method of lifting and/or stabilizing a travelling web and for coating a web. The device creates a web hold down force via a negative pressure slot at its exit side, which draws the web down against the surface on the entry side. The device can be actuated to move the web relative to a slot die coater off the die lips and stop the application of slurry to the web, thereby creating uncoated regions on the web surface. The device can then be actuated to move the web back into contact with the coater to start the application of slurry to the web, thereby creating coated regions on the web surface. Web lifting can be accomplished by rotating the device in first and second directions to lift the web off of the slot die coater and return the web back into contact with the coater.
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