Separation of liquids

Details Separation of liquids Separation of liquids

1994-10-14

1996-07-30

Rutledge, D.

G03D 302

Patent

active

055417000

ABSTRACT:
In photographic processing apparatus, different processing solutions are normally contained in separate tanks, the material being processed as it passes from one tank to another through the required processing stages. This means that the apparatus needs to have a tank for each solution which is required for a particular process. Described herein is an arrangement in which more than one processing tank may be provided in a single container. The arrangement comprises tray which is divided into two portions by barrier means, each portion containing a different processing solution. The barrier means, includes an air bubble retained on the underside of a curved member which is maintained in a central position due to the liquid pressure on each side of the barrier means.

REFERENCES:
patent: 3824616 (1974-07-01), Uchida
patent: 4001855 (1977-01-01), Wilheim
patent: 4212845 (1980-07-01), Stelling et al.
patent: 4676274 (1987-06-01), Brown
patent: 4802761 (1989-02-01), Bowen et al.
patent: 4838999 (1989-06-01), Haar et al.
patent: 5053060 (1991-10-01), Kopf-Sill et al.

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