Inspection apparatus, e.g. for a sorting machine

Details Inspection apparatus, e.g. for a sorting machine Inspection apparatus, e.g. for a sorting machine

1980-08-11

1982-11-02

Rolla, Joseph J.

Classifying, separating, and assorting solids

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

Condition responsive means controls separating means

209908, 209932, 250223R, 350 63, 350276R, 356446, B07C 5342

Patent

active

043569218

ABSTRACT:
Inspection apparatus comprising a transparent or translucent tubular member having at least a frusto-conical portion, illuminating elements disposed externally of the tubular member for producing an illuminated zone within the frusto-conical portion, and a viewing arrangement disposed externally of the tubular member and arranged to view objects passing through the illuminated zone in the frusto-conical portion so as to respond to the value of a property of said objects, the tubular member reflecting substantially no light from the illuminated zone onto the viewing arrangement.

REFERENCES:
patent: 2759601 (1956-08-01), Baigent
patent: 2776747 (1957-01-01), Van Douwe
patent: 3648056 (1972-03-01), Buttweiler et al.
patent: 4074808 (1978-02-01), Gillespie et al.
patent: 4147619 (1979-04-01), Wassmer et al.

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