Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1993-11-30
1995-05-09
Noland, Kenneth W.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209670, B07B 1305
Patent
active
054132266
ABSTRACT:
A roll (110) sorter includes a pair (111) of counter-rotating rollers (112,114) separated by a gap (124). A sorting region (128) is defined by the gap and the facing roller surfaces (130,132). Particles (46) fed into the sorting region float on the rollers and are sorted into two groups, those that pass through the gap and those that cannot pass through the gap. The accuracy of the sorter is increased by associating a metering facility (220) such as a gate (222) with the sorting region. The metering facility limits the number of particles which can simultaneously enter the sorting region. Typically, the particles enter and move along the sorting region one-at-a-time and in single file.
REFERENCES:
patent: 2661090 (1953-12-01), Garrett
patent: 2802560 (1957-08-01), Engleson et al.
patent: 5066507 (1991-11-01), Miwa et al.
Matthews Mark
Weidman Michael R.
Donaldson Richard L.
Kaufmann John D.
Kesterson James C.
Noland Kenneth W.
Texas Instruments Incorporated
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