Methods and apparatus for roll-coating sheet articles using metering roll of variable profile
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2011
app pub date -
Jan 26, 2011
filing date -
Jan 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and apparatus for coating a major surface of a strip article advancing past and in contact with an applicator roll by supplying coating material to the applicator roll for transfer to the strip surface while urging a metering roll against the applicator roll to impart a coating profile to the coating material on the applicator roll before the coating material having that profile is transferred to the strip surface, wherein the metering roll is subjected to a force for bending the axis of the metering roll convexly toward the applicator roll, thereby to compensate for deflection of the metering roll that would otherwise tend to cause nonuniformity of applied coating weight across the width of the strip.
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