Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1988-03-14
1989-02-07
Cherry, Johnny D.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209323, 209395, B07B 1304, B07B 128
Patent
active
048025917
ABSTRACT:
A machine and method for separating chip-like particles according to thickness which provides low blinding and high efficiency at high throughput in sustained operation. The machine has a sloping deck mounting a series of spaced flexible louvers or slats which extend parallel to the direction of chip flow down the deck. The slats are canted transversely to the direction of flow, and present unobstructed full length slot-like chip openings between them. The deck is driven with a horizontal gyratory motion such that during the upstream half of each cycle of movement, each slot moves toward chips on the adjacent slat which slopes toward it, and moves away from such chips during the downstream half of the cycle. The path of screening movement is uniform over the entire deck, that is, the motion of the lower or discharge end of the deck matches that of the upper or feed end. Adjacent slats are supported at alternate or staggered positions along their length so that they can deflect slightly relative to one other along their entire length. Ball cleaners are directed to impact on the slats in the transverse direction to deflect them and thereby dislodge chips stuck between the slats.
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J. V. Hatton, "Chip Quality Evaluation", Pulp & Paper Canada, vol. 77, No. 6, pp. 61-68, Jun. 1976.
Lower William E.
McCauley W. Nash
Mitchell Stephen C.
Robins Roger C.
Schmidt Steven A.
Cherry Johnny D.
Hoge Gary C.
Rotex, Inc.
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