Classifying – separating – and assorting solids – Plural – diverse separating operations – Aqueous suspension – sifting – and stratifying
Reexamination Certificate
2005-09-06
2005-09-06
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Plural, diverse separating operations
Aqueous suspension, sifting, and stratifying
C209S159000, C209S454000
Reexamination Certificate
active
06938776
ABSTRACT:
A method of separating a mixture of particles in a liquid that within chosen limits have different physical property values, wherein the particles to be separated are supplied via a feeder to a screen upon which a layer of facilitating particles is disposed the size of the facilitating parties being too large to fit through the openings in the screen, wherein particles to be separated are passed through the layer of facilitating particles and through the openings in the screen and collected under the screen, the density of the particles being greater than that of the liquid, and wherein a repetitive vertical movement is provided between the particles and the liquid, respectively.
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English Translation of Patent FR 1101690 (Invetor: Dantec et al. Date: Oct. 10, 1995).
Fraunholcz Norbert Otto
Rem Peter Carlo
Van Kooy Laurens Anton
Myers Jeffrey D.
Peacock & Myers, P.C.
Rodriguez Joseph C
Technische Universiteit Delft
Vilven Janeen
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