Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1979-01-11
1981-06-09
Knowles, Allen N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
250431, 350 63, B07C 500
Patent
active
042719666
ABSTRACT:
A sorting machine has a member a part of which has a translucent viewing area. Material to be sorted is passed adjacent to but spaced from a surface on the translucent viewing area. Light passing through the translucent viewing area is viewed and in dependence on such viewing, an ejector separates. desired and undesired material. A film of washing liquid is directed over the surface of the translucent viewing area, the film then passing to a liquid removal zone which is located on another surface of the member. The liquid removal zone is disposed in a position in which the ejector does not cause the material to be wetted by the liquid.
REFERENCES:
patent: 3236376 (1966-02-01), Boyce
patent: 3389792 (1968-06-01), Anderson
patent: 3861198 (1975-01-01), Shea
patent: 4057146 (1977-11-01), Castaneda
patent: 4076374 (1968-02-01), Schwab
Gunson's Sortex Limited
Knowles Allen N.
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