Coating apparatus – With means to apply electrical and/or radiant energy to work... – With means to orient coating particles
Patent
1987-07-23
1989-01-24
Marbert, James B.
Coating apparatus
With means to apply electrical and/or radiant energy to work...
With means to orient coating particles
118647, 118660, 118603, 204302, 2091271, 209130, 210748, 346157, 355 4, 355 10, G03G 1510, G03G 2100, B03C 502, B05C 1110
Patent
active
047994525
ABSTRACT:
A toner recycling system having separate supply tank of clear liquid dispersant and tanks of color concentrate. The liquid dispersant is continuously circulated from its supply tank by a pump along lines to a toner applictor then back to the supply tank. Color concentrate containing charge bearing solid pigment particles are selectively injected and mixed with the dispersant by means of pumps or valves to form liquid toner whenever developing a latent image is desired. The excess toner is collected and sent to a solids separator, either dedicated to a particular color of toner or common to all toners, where an electrically biased electrode repels the solid pigment particles toward a particle accumulating surface, thereby separating the particles from the dispersant. The dispersant is returned to the supply tank, while the particles which have accumulated on the surface of either a drum or belt as a layer of concentrate is scraped off by a blade and returned to the appropriate tank.
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Marbert James B.
Precision Image Corporation
Schneck Thomas
Wacyra Edward M.
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