Variable low-pressure fluid color change cycle

Details Variable low-pressure fluid color change cycle Variable low-pressure fluid color change cycle

1985-10-09

1986-06-03

Beck, Shrive P.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

118688, 118692, 118302, 239 75, 239112, 239113, B05B 1208, B05B 1214

Patent

active

045923051

ABSTRACT:
Automatic finish coating equipment employs a selectively variable low-pressure or "soft" air or solvent signal to control pushing of coating material through a feed tube from a coating material source to a coating material atomizing and dispensing device. This "soft fluid push" method maximizes the finish quality which can be achieved with coating materials having different characteristics, such as viscosities, in any operation in which frequent changes in coating material characteristics are experienced, such as, when frequent changes of coating material color are employed. The disclosure also describes that the "soft push" through the delivery lines should be reduced as the length of the slug of coating material in the delivery lines decreases.

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patent: 4362124 (1982-12-01), Fleig

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