Classifying – separating – and assorting solids – Sifting – Combined type
Patent
1992-02-12
1993-06-15
Kashnikow, Andres
Classifying, separating, and assorting solids
Sifting
Combined type
209314, 209315, 209319, 209393, 209420, B07B 900
Patent
active
052190781
ABSTRACT:
A material separating apparatus and method which comprises a frame of a pair of spaced apart generally downwardly sloping, upper and lower vibratory screening decks within the frame, the upper screening deck comprising a plurality of comb-like elements, which are generally parallel, straight finger elements removably extending from a transverse bracket support and onto which finger elements a feed material is discharged to be separated into a coarse material and a finer material. A lower deck comprises a plurality of comb-like elements having a plurality of transverse cross members and a plurality of downwardly extending, small diameter finger elements extending therefrom, the finger elements being of greater plurality and of smaller diameter than the finger elements of the upper screening assembly, and downwardly angled so as to provide for the separating and sizing of feed material falling from the upper screening deck onto the lower screening deck. The apparatus and method provide for the screening on the upper deck and screening and the sizing of material falling thereon. The separating apparatus has an eccentric rotating shaft secured to the upper and lower decks to impart vibratory motion thereon so that the free ends of the vibratory fingers vibrate in a generally vertical direction.
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Crowley Richard P.
Kashnikow Andres
Kaufman Joseph A.
The Read Corporation
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