Double side coating device
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United States of America Patent
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May 6, 2014
Grant Date -
Jul 21, 2011
app pub date -
Jan 14, 2011
filing date -
Jan 20, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
It is provided a double side coating device which can maintain a thickness of a coated film in constant. The double side coating device has a back up roller supporting a web material, a first coating head that is placed opposite to the back up roller and that applies a coating material onto a first surface of the web material, a suction roller that is provided with a plurality of supporting portions which projects annularly so as to contact with a uncoated portion of the first surface of the web material and on circumference of which suction holes are opened to suck atmosphere, and a second coating head that is placed opposite to the suction roller and that coats second surface of the web material with a coating material.
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