Color change system for spray coating apparatus

Details Color change system for spray coating apparatus Color change system for spray coating apparatus

1981-11-27

1983-03-08

Skaggs, H. Grant

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222145, 2221445, 239112, 118302, B67D 560

Patent

active

043758657

ABSTRACT:
A color change system for spray coating apparatus is characterized by two pumps, each of which is connectable with a selected color of coating material for providing the same to spray coating apparatus. The arrangement is such that the pumps alternately supply different colors of coating material to the coating apparatus, and when one of the pumps is supplying material the other is being cleansed of previously supplied material. In this manner, one pump is always clean and ready for supplying a newly selected color of material, so that any number of different colors of coating material may be provided to the coating apparatus with minimum numbers of pumps, e.g., two pumps. In one embodiment the color change system is used with automatic spray coating apparatus, and in another with manual or hand held coating apparatus.

REFERENCES:
patent: 3145930 (1964-08-01), Herklotz et al.
patent: 3674205 (1972-04-01), Kock
patent: 3857513 (1974-12-01), Wiggins

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