Food or edible material: processes – compositions – and products – Fermentation processes – Material is mammal or fowl derived
Patent
1981-06-25
1985-12-31
Corban, Arthur L.
Food or edible material: processes, compositions, and products
Fermentation processes
Material is mammal or fowl derived
17 46, 99538, 426 59, 426479, 426480, 426518, A23L 131, A23L 1325
Patent
active
RE0320609
ABSTRACT:
Material obtained from animals, poultry, or fish and containing edible flesh along with normally inedible relatively hard or tough components, such as bone, gristle, tendons, etc., is fed in ground condition into one end of a perforated conduit that has a conveyor screw therein which progressively decreases in conveying capacity from the feed end of the conduit to an imperforate discharge end thereof. Such inedible components are compacted within the imperforate discharge end of the conduit by an extension of the conveyor screw prior to discharge following build-up and conveyance along the interior surface of the perforate portion of the conduit as a filter mat through which edible flesh is forced toward and through the perforations of the conduit to provide a substantially bonefree edible product. The discharge passage surrounding the extension of the conveyor screw can be varied in size, preferably by a tapered ring that is movable back and forth axially of the conveyor screw extension, and preferably the spacing between conveyor screw and conduit is variable. The forward faces of the conveyor screw flights are preferably concave to provide a forwardly projecting circumferential overhang that tends to keep particles of bone near the axis of the screw, and the conduit wall thickness is unusually thick so as to withstand high pressures. Unusually high production rates can be obtained by feeding finely ground material into the conduit by means of a high pressure pump. The discharged and normally inedible components can be slurried in a digestant liquid and the digested material recovered as a food product by the application of centrifugal force. In instances where some minute particles of bone are discharged with the [fleshly] fleshy components, they can be homogenized by subjecting such [flesh] fleshy components to an attrition operation.
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Meat Industry, USSR 1961, No. 2, pp. 8-9.
Beehive Machinery Inc.
Corban Arthur L.
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