Uncontaminated purge solvent recovery system

Details Uncontaminated purge solvent recovery system Uncontaminated purge solvent recovery system

1982-06-18

1983-09-13

Lusignan, Michael R.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

118302, B05B 1502, B05B 716, F23D 1134, F23D 1328

Patent

active

044037368

ABSTRACT:
A recovery system for solvent used to clean coating material from a multiple-color coating material dispensing system which undergoes frequent color changes includes a vacuum source over the recovered solvent in a recovery tank. The system is switched during the color change cycle from a mode in which solvent is dispensed to clean a pre-change color from a dispensing device to a mode in which the vacuum withdraws solvent remaining in a solvent delivery line to the dispensing device into the recovery tank. Solvent usage, disposal of discarded solvent, and other environmental considerations are salutarily affected.

REFERENCES:
patent: 3348774 (1967-10-01), Wiggins
patent: 3385522 (1968-05-01), Kock
patent: 3605683 (1971-09-01), Wiggins
patent: 3674205 (1972-07-01), Kock
patent: 3857513 (1974-12-01), Wiggins
patent: 3870233 (1975-03-01), Wilhelm et al.
patent: 4083493 (1978-04-01), Wiggins
patent: 4230270 (1980-10-01), Poret
patent: 4263091 (1981-04-01), King
patent: 4311724 (1982-01-01), Scharfenberger
patent: 4337282 (1982-06-01), Springer

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