B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
95/90, 95/95, 25
B01F 15/02 (2006.01) B01F 3/08 (2006.01) B01F 3/10 (2006.01) B01F 5/04 (2006.01) B01F 5/06 (2006.01) G03C 5/26 (2006.01)
Patent
CA 1155697
ABSTRACT OF THE DISCLOSURE A method and apparatus for admixing liquid with concentrated, shear-thinable stiff pastes of photographic processing compositions to form photographic processing solutions, in which the pastes are thinned by shear forces and contacted with the diluting liquid under turbulent mixing conditions to dissolve the concentrate in the liquid and thereby from the solution. The paste, which does not flow and resists deformation under conditions of low shear, is displaced through an orifice where conditions of high shear render it free flowing and form a stream. One or more liquid jets are directed at the stream with sufficient force to disperse the concentrate and bring about intimate contact between the liquid and the composition under turbulent mixing conditions. A static mixer then completes the dissolution of the chemicals in the liquid.
375267
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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