Coating weight measuring and control apparatus and method

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

1998-03-26

2000-06-13

Crispino, Richard

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

118413, 118688, 118689, 25033911, 25033912, 356381, 356382, 427 8, 427 9, 427 10, B05C 1104, B05C 3172, B05D 126, G01J 502, G01B 1106

Patent

active

060744839

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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