Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1988-11-28
1990-05-08
Stormer, Russell D.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204186, 204299R, 204300R, 204304, 118603, 118645, 2091271, 209130, 355256, B03C 502
Patent
active
049235818
ABSTRACT:
A system and method for recovering charge-bearing solid pigment particles from a fluid dispersant in a liquid toner, wherein the system includes a particle-accumulating surface spaced apart from a complementary electrically biased electrode surface to define a channel therebetween. The channel has a mouth in gravity-feed relation to an outlet. Liquid toner is introduced at the mouth to cause flow within the channel. The bias of the electrode, however, sets up an electric field in the channel directing charge-bearing solid pigment particles away from the electrode surface so that only substantially particle-free fluid dispersant reaches the outlet. A slime rich in charge-bearing solid pigment particles collects on the particle-accumulation surface which is moved in a direction opposite of toner flow. At a location remote from the electrode, the solid pigment particles are removed from the particle-accumulating surface and are stored for later remixing with the fluid dispersant to form fresh toner.
REFERENCES:
patent: Re29818 (1978-10-01), Gerbasi et al.
patent: 3129115 (1964-04-01), Clark et al.
patent: 3249225 (1966-05-01), Stuetzer et al.
patent: 3589991 (1971-06-01), Hardy
patent: 3642605 (1972-02-01), Chenel et al.
patent: 3790466 (1974-02-01), Akiyama
patent: 3799340 (1974-03-01), Tamai et al.
patent: 3870644 (1975-03-01), Machida et al.
patent: 3962069 (1976-06-01), Inoue et al.
patent: 4090937 (1978-05-01), Stoev et al.
patent: 4267245 (1981-05-01), Wada
patent: 4449475 (1984-05-01), Schinke
patent: 4706605 (1987-11-01), Bibl et al.
patent: 4799452 (1989-01-01), Day
Precision Image Corporation
Schneck Thomas
Stormer Russell D.
Wacyra Edward M.
LandOfFree
Toner recycling by counterflow does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toner recycling by counterflow, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toner recycling by counterflow will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2347370