Apparatus for coating a moving web with at least two coat layers
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United States of America Patent
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Feb 12, 2002
Issued Date -
N/A
app pub date -
Aug 25, 1999
filing date -
Mar 6, 1996
priority date (Note) -
Expired
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Abstract
An apparatus for coating a paper or paperboard web with at least two coat layers. The present invention achieves two-layer coating and is capable of providing a smooth coat with high opacifying power. A first coat layer is initially applied to the web. The surface of this first coat layer is smoothed by a smoothing element. After smoothing, this first coat layer is partially or entirely dried, and a second coat layer is applied onto the first coat layer using a transfer coater.
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