Liquid developing apparatus

Details Liquid developing apparatus Liquid developing apparatus

1986-07-01

1988-03-22

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

118660, 118661, 354318, G03G 1510

Patent

active

047332735

ABSTRACT:
A liquid developing apparatus is provided for developing, with a liquid developer or toner, an electrographic latent image formed on an image bearing, charge retaining surface of a moving recording medium and thereafter wiping excess developer from the medium surface. The apparatus is designed to require only a single developer/wipe roll to perform the dual function of image development surface wiping. The single developer/wipe roll is supported for rotational movement in a direction opposite to the direction of movement of the recording medium and is in forward and leeward tangential engagement with a portion of the moving medium surface, respectively, to form a development apex and fluid seal between it and the recording medium surface and to wipe the recording medium surface to promote surface drying.

REFERENCES:
patent: 3203395 (1965-08-01), Liller
patent: 3256855 (1966-06-01), Oliphant
patent: 3367791 (1968-02-01), Lein
patent: 3418912 (1968-12-01), Land et al.
patent: 3560204 (1971-02-01), Damm
patent: 3575101 (1971-04-01), Smith et al.
patent: 3940782 (1976-02-01), Neeb et al.
patent: 3943541 (1976-03-01), Hirafuji
patent: 4127082 (1978-11-01), Kawabata
patent: 4141317 (1979-02-01), Lakhani
patent: 4454833 (1984-06-01), McChesney et al.
patent: 4686936 (1987-08-01), Chow

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