Coater of electric insulating sheet and method for producing electric insulating sheet with coated film
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United States of America Patent
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Apr 19, 2011
Grant Date -
Dec 31, 2009
app pub date -
Apr 5, 2006
filing date -
Apr 12, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coater for coating an electric insulating sheet with coating liquid while sustaining an identical charging polarity of the insulating sheet and the coating liquid in a process for coating one surface of a traveling electric insulating sheet with coating liquid, and a method for producing a coated electric insulating sheet. In order to sustain an identical charging polarity of the insulating sheet and the coating liquid, the coater comprises any one or both of a sheet charger for imparting electrostatic charges to one surface of the electric insulating sheet and a coating liquid charger for imparting electrostatic charges to the coating liquid.
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