Photoelectric inspection of transparent or translucent medicinal

Details Photoelectric inspection of transparent or translucent medicinal Photoelectric inspection of transparent or translucent medicinal

1974-11-01

1976-07-13

Reeves, Robert B.

Classifying, separating, and assorting solids

Adhesion

Coated surface or mass

209 74M, 2091117T, 250577, 356240, B07C 510

Patent

active

039692272

ABSTRACT:
In a capsule filling machine, capsules held pneumatically against the periphery of a transporting disc are photoelectrically inspected by two light beams, both oblique with respect to the disc axis. Electrical gating and delay circuitry effects pneumatic removal of capsules from the disc at a location remote from the inspection location if either beam is not broken by the capsule contents.

REFERENCES:
patent: 2905318 (1959-09-01), Schell
patent: 3094213 (1963-06-01), Wyman
patent: 3160277 (1964-12-01), Wyman
patent: 3218463 (1965-11-01), Calhoun
patent: 3265901 (1966-08-01), Schneider
patent: 3565249 (1971-02-01), Codding
patent: 3677437 (1972-07-01), Haigler
patent: 3756402 (1973-09-01), Wagers et al.

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