Variable low-pressure fluid color change cycle

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

1981-06-22

1982-09-07

Hoffman, James R.

Coating processes

Measuring, testing, or indicating

427445, B05D 714, B05D 100

Patent

active

043484255

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.

REFERENCES:
patent: 3348774 (1967-10-01), Wiggins
patent: 3605683 (1971-09-01), Wiggins

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