Soft cranberry and undersize cranberry separator and method

Details Soft cranberry and undersize cranberry separator and method Soft cranberry and undersize cranberry separator and method

1994-10-24

1996-08-13

Terrell, William E.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209618, B07B 13075

Patent

active

055447619

ABSTRACT:
A cranberry separator, and method, to separate soft and undersize cranberries from hard, marketable cranberries. Mushy cranberries do not clog the separator.
Pressure is repeatedly applied to each cranberry, to a pressure less than 0.50 psi, as cranberries are transported from a loading hopper, along a roller conveyor, to an outlet.
The roller conveyor comprises an overhead soft roller, and a finned hard roller, mounted under the soft roller. Each cranberry passes between multiple pinch points, between the upper and lower rollers.
Each cranberry is supported across two fins, at the pinch point. Soft cranberries are forced between the fins, and are stripped out from between the fins, by comb teeth, extending upwardly between the fins. After each pinch point, the cranberry is rotated randomly, to present a new surface to be tested.

REFERENCES:
patent: 408323 (1889-08-01), Prickitt
patent: 472299 (1892-04-01), Knapp
patent: 578861 (1897-03-01), Crippen
patent: 731828 (1903-06-01), White
patent: 738267 (1903-09-01), Wemp
patent: 1079805 (1913-11-01), Smith
patent: 1339077 (1920-05-01), Trufant
patent: 1700302 (1929-01-01), Applegate
patent: 2966267 (1960-12-01), Dunbar
patent: 2976550 (1961-03-01), Silver et al.
patent: 5238124 (1993-08-01), Cane et al.

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