1991-05-02
1992-12-01
Gellner, Michael L.
G03D 302
Patent
active
051682974
ABSTRACT:
A countercurrent final treatment system with improve efficiency for photographic material webs consists of at least one final treatment tank with an inlet for the final treatment bath and an outlet for final bath, driven rollers for the transport of the photographic material through the tank on a U-shaped path, final treatment liquid as the photographic material leaves the liquid being enriched with chemicals, a pipe which is open at its upper and lower end and is adapted in width to the photographic material and through which the photographic material is transported said pipe being arranged at that side of the final treatment tank where the photographic material leaves the tank, the lower opening dipping into the final treatment bath and the upper opening being situated above the liquid level of the final treatment bath and said pipe being associated with the inlet of final treatment liquid into the final treatment bath at a point above the liquid level so as to contribute to a flow of liquid through the pipe counter to the transport of the photographic material.
REFERENCES:
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patent: 4451132 (1984-05-01), Kishimoto
patent: 4641939 (1987-02-01), Kitner
patent: 4780737 (1988-10-01), Kobayashi et al.
patent: 4791444 (1988-12-01), Fujimoto et al.
patent: 5040013 (1991-08-01), Kurokawa et al.
AGFA -Gevaert Aktiengesellschaft
Gellner Michael L.
Rutledge D.
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