Multi-color electrostatic copying apparatus

Photocopying – Including fiber optics

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

118653, 118656, 118656, 118661, 209127R, 209128, 209129, 209130, 355 3DD, G03G 1501

Patent

active

043516041

ABSTRACT:
First and second developing units (66), (67) apply toners of first and second colors respectively to a photoconductive drum (61) carrying a bipolar electrostatic image to form a bicolor toner image. A small amount of the first toner is scraped off the drum (61) in the second developing step and becomes mixed with the second toner in the second developing unit (67). The admixed first toner is separated and removed from the second toner by a separation member in the form of a roller, belt or mesh covered electrode (81) which is charged to a polarity opposite to the first toner and electrostatically attracts the same while repelling the second toner.

REFERENCES:
patent: 3306193 (1967-02-01), Rarey et al.
patent: 3477568 (1969-11-01), Madrid
patent: 3662884 (1972-05-01), Robinson
patent: 3911865 (1975-10-01), Volkers
patent: 3960738 (1976-06-01), O'Brien et al.
patent: 4101215 (1978-07-01), Fottner et al.
patent: 4142165 (1979-02-01), Miyakawa et al.
patent: 4148224 (1980-02-01), Sakai
patent: 4226524 (1980-10-01), Hashimoto
patent: 4264185 (1981-04-01), Ohta

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Multi-color electrostatic copying apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-color electrostatic copying apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-color electrostatic copying apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-397968

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.