B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
209/120
B07B 1/36 (2006.01) B07B 1/28 (2006.01) B07B 1/46 (2006.01) B22C 5/06 (2006.01)
Patent
CA 1326649
MATERIAL CLASSIFYING APPARATUS ABSTRACT A material classifying apparatus for separating materi- al into at least overs and fines. The apparatus includes a material receiving housing supporting one or more vertically spaced separator screens. When more than one separator screen is used, the lowermost one of the screens has a finer mesh than the uppermost one of the screens. The apparatus will then further include a discharge opening associated with the periphery of the uppermost one of the screens for discharging overs from the material receiving housing, a discharge opening associated with the periphery of the low- ermost one of the screens for discharging product from the material receiving housing, and a discharge opening disposed below the lowermost one of the screens for discharging fines from the material receiving housing. Whether one or more separator screens are used, the screens will have portions such that in combination with a vibration generator material is moved in an outwardly expanding spiral path toward the respective discharge openings. The apparatus thus further includes a vibration generator mounted on the material re- ceiving housing to cause material to move in the outwardly expanding spiral paths. Preferably, the material receiving housing is resiliently supported on a base.
599587
Finlayson & Singlehurst
General Kinematics Corporation
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