Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1990-09-27
1992-01-14
Hajec, Donald T.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209638, B07C 900
Patent
active
050802356
ABSTRACT:
Apparatus for the separation of a mixture of discrete particulate solid materials of disparate composition and a system utilizing such apparatus is described in which the material to be processed is caused to slide under the influence of gravity along a straight inclined surface to achieve a substantially uniform velocity and thereafter along an arcuately formed surface where, due to the existence of different coefficients of sliding friction between the mixture fractions, disparate velocities are achieved by the respective particles whereby particles of the respective fractions are separately collected on a velocity basis. The described apparatus utilizes a slide surface of different material and/or a water spray to produce the disparate velocities between the particles of the respective mixture fractions. Deflector plates of various forms may be employed to prevent contamination of the clean product fraction due to bouncing of materials of the waste product fraction from the slide surface.
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Hansen Marvin F.
Johnson Richard D.
Lorang Michael J.
Nichols Carl W.
Rayfield Jerry W.
Cyprus Mines Corporation
Hajec Donald T.
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