Fluid sprinkling – spraying – and diffusing – Processes – Including electrostatic charging
Patent
1987-11-18
1988-12-20
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Processes
Including electrostatic charging
239112, 239691, 239708, 239305, 427 27, B05B 502, B05B 1502, B05D 104, B05D 506
Patent
active
047920920
ABSTRACT:
A paint color change system and method for sequentially supplying different color electrically conductive paints to an electrostatic applicator. Paint is supplied through a supply hose to a first isolated reservoir and the supply hose is purged and dried to form a voltage block. While paint is supplied through a first delivery hose from the first reservoir to an applicator, a second reservoir is cleaned, paint is supplied to the second reservoir through a supply hose, and the supply hose is purged of paint and dried to form a voltage block. Upon completion of coating with the first color paint, the first delivery hose is purged of paint and dried to form a voltage block and paint then is supplied from the second reservoir through a second delivery hose to the coating applicator. If the same color paint is applied from both reservoirs, the first delivery hose can be cleaned and dried after paint delivery from the second reservoir has started to permit continuous coating.
REFERENCES:
patent: 3674205 (1972-07-01), Kock
patent: 4017029 (1977-04-01), Walberg
patent: 4232055 (1980-11-01), Shaffer
patent: 4337282 (1982-06-01), Springer
patent: 4375865 (1983-03-01), Springer
patent: 4383644 (1983-05-01), Spanjersberg
patent: 4728033 (1988-03-01), Matsumra
Elberson Michael D.
Plummer Raymond G.
Burkhart Patrick N.
Kashnikow Andres
The DeVilbiss Company
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