Processing apparatus

Details Processing apparatus Processing apparatus

1975-10-10

1979-04-10

McIntosh, John

Coating apparatus

With vacuum or fluid pressure chamber

118648, 118650, 118660, 118643, 118 50, 118411, 134 64P, 354317, B05C 502, G03G 1506

Patent

active

041482743

ABSTRACT:
An apparatus for liquid development of latent images on sheets or webs comprises a plurality of applicator stations which sequentially deliver processing liquid to the latent image bearing surface of the sheets or webs. The latter are transported above the respective applicator stations with the concerning surface in downward direction. A controlling mechanism provides for the arrestment of the liquid supply before the trailing edge of the sheet or web has passed over the respective applicator station for the provision of not wetting the backside of the latter. The apparatus is extremely suited for developing latent electrostatic half-tone images on a high polymeric support.

REFERENCES:
patent: 346869 (1886-08-01), Sherck et al.
patent: 3133484 (1964-05-01), Wright
patent: 3407786 (1968-10-01), Beyer et al.
patent: 3498257 (1970-03-01), Grefe et al.
patent: 3511160 (1970-05-01), Van Reusel
patent: 3621814 (1971-11-01), Sugarman et al.
patent: 3654896 (1972-04-01), Marx et al.
patent: 3707943 (1973-01-01), Matsumoto et al.
patent: 3727578 (1973-04-01), Saito et al.
patent: 3774521 (1973-11-01), Beck
patent: 3859960 (1975-01-01), Lloyd

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