Color sorting machine for cereal grain or the like having dust c

Details Color sorting machine for cereal grain or the like having dust c Color sorting machine for cereal grain or the like having dust c

1997-12-05

1999-11-30

Nguyen, Tuan N.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

209643, 209938, 15347, B07C 5342, A47L 910

Patent

active

059946563

ABSTRACT:
A color sorting machine sorts particles of different colors from raw material such as cereal grains or the like. The machine has a down chute descending towards a front side of the machine for letting raw material particles flow down linearly, a photoelectric detection device which subjects the raw material particles jumped out of the down chute to light and discriminates different-color particles in accordance with difference in reflected light, and a nozzle device which injects air to and blows off the different-color particles. The injection nozzle device is situated on the rear side of the machine with respect to a coming-down locus of raw material particles from the down chute and close to the coming-down locus. The sorting machine further comprises a dust collecting device which is situated on the front side of the machine with respect to the coming-down locus of the raw material. The dust collecting device has a dust collection opening which is substantially opposite to the injection nozzle device with the coming-down locus interposed therebetween, sucks in and discharges dust scattered from the raw material. The color sorting machine is highly precise in sorting different-color particles and facilitates cleaning of the dust collecting device.

REFERENCES:
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patent: 4371081 (1983-02-01), Satake
patent: 4513868 (1985-04-01), Culling
patent: 4699273 (1987-10-01), Suffi-Liverani
patent: 4940850 (1990-07-01), Satake
patent: 5487472 (1996-01-01), Satake
patent: 5638961 (1997-06-01), Satake
patent: 5713473 (1998-02-01), Satake et al.
International Search Report for corresponding application No. EP 97 12 1776 .

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