B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/40, 95/90
B01F 15/02 (2006.01) B01F 13/10 (2006.01) B01F 15/04 (2006.01) G03C 5/16 (2006.01) G03D 3/06 (2006.01) B01F 5/00 (2006.01)
Patent
CA 1106218
Abstract of the Disclosure A fluid mixing system and method is disclosed for automatically mixing precise concentrations of photographic processing chemistry to be used in an X-ray film processor. She system produces a fresh batch of mixed solution whenever a previous batch has been reduced to a predetermined minimum volume. A pair of substantially identically constructed mix- ing units are provided to produce both developer and fixer solutions for film processing. Each unit has: a chemical supply structure for supplying chemicals from containerized supplied; a storage and mixing tank structure which underlies the chemical supply structure and defines a reservoir for mixing the chemistry with water; a water input valve for selec- tively introducing water under pressure into the tank structure; control apparatus for conditionally controlling operation of the water valve and a chemical release assembly which is coupled to and actuated by the water valve. The chemical release assembly is operated by the pressure of the water as the water is admitted through the water valve. Operation of the release assembly causes piercing of the containers, allowing the chemistry to drain into the reservoir. The pres- surized water creates a swirl for agitating and thoroughly mixing the chemistry and the water.
260403
Picker Corporation
Ridout & Maybee Llp
LandOfFree
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