Photocopying – Contact printing – Light boxes
Patent
1990-01-08
1991-07-30
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
118652, 118100, 118112, G03G 1510
Patent
active
050363662
ABSTRACT:
A printing machine in which an image recorded on an electrostatic master is developed with liquid developer material and the excess liquid developer material eliminated therefrom. A meniscus is formed between a roll and the electrostatic master. The roll is adapted to remove the excess liquid developer material from the developed image. The meniscus is formed by electrically biasing the roll as the roll moves from a non-operative position remote from the electrostatic master to an operative position adjacent thereto.
REFERENCES:
patent: 3663219 (1972-05-01), Takahashi
patent: 4161361 (1979-07-01), Soma et al.
patent: 4181094 (1980-01-01), Gardiner
patent: 4637708 (1987-01-01), Yuasa
patent: 4728991 (1988-03-01), Takayama et al.
Berg Eric
Caruthers, Jr. Edward B.
Beck J. E.
Fleischer H.
Pendegrass Joan H.
Xerox Corporation
Zibelli R.
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