Method of and system for monitoring and applying liquid foam to

Details Method of and system for monitoring and applying liquid foam to Method of and system for monitoring and applying liquid foam to

1984-06-22

1986-11-04

Dawson, Robert A.

Coating processes

Measuring, testing, or indicating

73 32R, 73 54, 118688, 118712, 137 92, 156 64, 156356, 156378, 427244, B05D 500

Patent

active

046209832

ABSTRACT:
Liquid foam to be applied through a slot nozzle to a surface of a fabric web or other substrate is preliminarily collected in a storage vessel where its consistency is continuously monitored and maintained substantially constant. The rate of transfer from the storage vessel to the applicator is stabilized by a feedback signal from a volume or pressure sensor in the applicator. Excess foam may be recirculated from the applicator to the source.

REFERENCES:
patent: 3100390 (1963-08-01), Banks
patent: 3431081 (1969-03-01), Edwards et al.
patent: 4035529 (1977-07-01), Meisert et al.
patent: 4059466 (1977-11-01), Scholl et al.
patent: 4423161 (1983-12-01), Cobbs et al.
patent: 4445526 (1984-05-01), Woestman
patent: 4552778 (1985-11-01), Zimmer

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