| Patent Number |
Title Of Patent |
Date Issued |
| 6100488 |
Granular material color sorting apparatus utilizing fluid jets with an injection delay control u |
August 8, 2000 |
| A granular material sorting apparatus comprises a transfer device for causing material grains to fall down, optical detector units mounted along the falling-down locus of the material grains, an injection nozzle device for injecting air to the material grains, and a control unit for |
| 6013887 |
Color-sorting machine for granular materials |
January 11, 2000 |
| A color-sorting machine for granular materials optically detects raw material grains falling along a substantially fixed path and sorts out no-good grains by color. An optical detection unit to this end comprises a condenser lens, a plurality of optical filters and a plurality of lig |
| 5994656 |
Color sorting machine for cereal grain or the like having dust collecting device |
November 30, 1999 |
| 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 s |
| 5669511 |
Grain sorting apparatus |
September 23, 1997 |
| A grain sorting apparatus includes a conveyor belt mechanism for conveying grains, fed by a feed mechanism onto a conveying surface separately from each other at an upstream region with respect to a conveying direction, to a downstream end so that the grains are discriminated and sorted |
| 5638961 |
Cereal grain color sorting apparatus |
June 17, 1997 |
| In a color sorting apparatus comprising: a grain guide device); a grain feed device; optical detecting devices including illuminating devices for illuminating the grain, light-receiving sensors for receiving the intensity of light from the illuminated grain and backgrounds; and an ej |