Classifying – separating – and assorting solids – Adhesion – Coated surface or mass
Patent
1976-01-29
1976-12-14
Tollberg, Stanley H.
Classifying, separating, and assorting solids
Adhesion
Coated surface or mass
209 74R, 209 87, 209104, B07C 506, B07C 536
Patent
active
039970582
ABSTRACT:
A capsule inspection machine has a horizontal ring with vertical openings having a minimum diameter equal to a predetermined maximum capsule cap diameter for the reception of individual capsules and a motor to rotate this ring. A capsule feeding device feeds capsules to a sorting wheel having plates perpendicular to the axis of the wheel and spaced apart a distance greater than the diameter of the capsule body and slightly less than the diameter of a capsule cap to pass through uncapped bodies and carry capped bodies with caps having the desired minimum diameter. A second motor rotates the wheel on a horizontal axis to advance capped bodies and discharge them onto the ring and into the ring openings. A fixed horizontal plate is mounted below a portion of the ring to support the capsules received in the ring openings, the plate being a distance below the ring slightly greater than the length of a capsule cap and less than the length of a complete capsule so that the complete capsules with caps having the desired maximum diameter will be carried along the plate by the ring while separate capsule caps will drop onto the plate and clear of the ring. A vacuum system removes all separate caps from the plate. The completed capsules having caps with a diameter equal to or less than the predetermined maximum capsule diameter are discharged by gravity from the ring openings when they are carried beyond the plate. A second vacuum system removes the capsules having caps exceeding the desired maximum diameter and remaining in the ring openings and capsules remaining on the top of the ring.
REFERENCES:
patent: 1677838 (1928-07-01), Molin
patent: 2771191 (1956-11-01), Kath
patent: 3064808 (1962-11-01), Fricke
patent: 3709329 (1973-01-01), Mlodzinski
Greer Henry W.
Martell George E.
Rolla Joseph J.
SmithKline Corporation
Tollberg Stanley H.
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