Coating weight measuring and control apparatus

Details Coating weight measuring and control apparatus Coating weight measuring and control apparatus

1997-06-02

1998-08-18

Edwards, Laura

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

118688, 118689, 118413, 118419, B05C 100

Patent

active

057953945

ABSTRACT:
A sensor and a method for determining the basis weight of a coating material containing CaCO.sub.3 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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Hattori, et al., Bull. Chem. Soc. Jpn., 54, 1964-1967 (1981) vol. 54, No. 7.
Corradini, T., et al., Cellulosa Carta 25, No. 6, 1974.

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