Coat weight measuring and control apparatus
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United States of America Patent
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Feb 6, 2001
Grant Date -
N/A
app pub date -
Dec 15, 1998
filing date -
Dec 15, 1998
priority date (Note) -
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Abstract
A sensor and a method for determining the basis weight of a coating material containing latex on a substrate is described. The determined basis weight is insensitive to changes in the amount of substrate material underlying the coating. Signals from the sensor may be used in the control of a coating mechanism to provide a coating having a uniform basis weight.
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