Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium
Patent
1993-07-12
1994-11-01
Dawson, Robert A.
Food or edible material: processes, compositions, and products
Processes
Extraction utilizing liquid as extracting medium
99275, 210326, 210402, 210784, 366292, 366300, 426506, 426594, 426595, A23F 5100
Patent
active
053606205
ABSTRACT:
This invention is directed to an apparatus and method for wetting and dissolving finely divided dry particles, including hygroscopic particles such as coffee fines, in a liquid, including viscous liquids such as concentrated coffee liquor, in a manner in which foaming, the presence of wet lumps and liquor degradation are minimized. The apparatus includes a dissolving tank containing at least one pair of counter-rotating drums partially submerged in a body of the dissolving liquid. The tank includes a liquid inlet and a discharge conduit which maintain a predetermined level of liquid in the tank. A powder feeding device mounted above the tank discharges a falling curtain of particles onto a thin layer of liquid on the surface of one of the drums in each counter-rotating pair. The partially wetted powder is carried into the nip between the counter-rotating drums to compress, knead and break up wet lumps of partially wetted powder formed on the surface of the drums, with the wetted powder being carried into and dissolved in the body of liquor. Continued rotation of the drums carries any wet powder lumps which may remain in the liquor into the converging gap between the drum and a tangentially mounted solubilizing bar to abrade and disintegrate the lumps in the liquor body.
REFERENCES:
patent: 4242204 (1980-12-01), Stigebrandt
patent: 4534985 (1985-08-01), Gasau
patent: 5229155 (1993-07-01), Weisemann et al.
Dawson Robert A.
Nestec S.A.
Reifsnyder David
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