Granule inspection apparatus

Details Granule inspection apparatus Granule inspection apparatus

1987-08-25

1989-05-16

Cherry, Johnny D.

Classifying, separating, and assorting solids

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

Condition responsive means controls separating means

209587, 209588, 209643, B07C 5342

Patent

active

048301949

ABSTRACT:
A granule inspection apparatus comprising a pair of transparent rotating body installed in parallel at prescribed spacing, a granule falling passage being formed between mutually opposing surfaces of the rotating bodies, granules are fallen through this passage, falling granules are lighted by the reflection light source arranged on the side of one transparent rotating body and by the transmission light source arranged on the side of the other transparent rotating body, an image sensor is picked up the images of the lighted granules, presence of defectives is detected from image signals, a selector is driven to select non-defectives from defectives.

REFERENCES:
patent: 2858018 (1958-10-01), Alexander et al.
patent: 3685650 (1972-08-01), Walther et al.
patent: 3738485 (1973-06-01), Garland
patent: 3914601 (1975-10-01), Hoover et al.
patent: 4147619 (1979-04-01), Wassmer
patent: 4371081 (1983-02-01), Satake
patent: 4373638 (1983-02-01), Schapper
patent: 4699274 (1987-10-01), Saika

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