Classifying – separating – and assorting solids – Sifting – Drum sifters
Patent
1997-07-17
2000-02-01
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Sifting
Drum sifters
209288, 209291, 209421, B07B 118
Patent
active
060192275
ABSTRACT:
The present invention is an apparatus that will extract a desired material from an undesired material. The apparatus of the present invention comparison a front portion, a middle portion, and a back portion. The front portion includes the driving method for the device as well as a plurality of teeth which contacts the undesired material containing the desired material and transports the collection to the middle area via a conveyor. The middle portion includes the separating area. The middle portion includes a rotating cylinder including a series of sections. At least one encompassing side wall of a section is made of a wire mesh material to provide for the section to have a plurality of perforations. This will provide for the undesired material to escape from the middle portion via the openings of the wire mesh. From the middle portion, the collected material travels to the back portion where the desired material is collected in a receptacle.
REFERENCES:
patent: 3942644 (1976-03-01), Vissers
patent: 4114762 (1978-09-01), Beal et al.
patent: 4147256 (1979-04-01), Kiss
patent: 4156508 (1979-05-01), Kisielewski
patent: 4915826 (1990-04-01), Nordhus
patent: 5019248 (1991-05-01), Kaldor
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