Apparatus for detecting defects in capsule shells

Details Apparatus for detecting defects in capsule shells Apparatus for detecting defects in capsule shells

1982-08-27

1986-03-11

McGraw, Vincent P.

Optics: measuring and testing

Inspection of flaws or impurities

Containers or enclosures

356244, G01N 2190

Patent

active

045752397

ABSTRACT:
Apparatus is provided for use in detecting defects, such as pin holes, cracks and/or uneven gelatin distribution, in capsule shells. The apparatus is comprised of a light box which includes one or a plurality of light bulbs disposed within the box, one or more opaque panels which are disposed in front of each light bulb, and a plurality of openings disposed in the panels, each opening being adapted to receive a capsule body or cap which fits snugly therein and protrudes outwardly away from the light bulbs. Light shining through the capsule shells disposed in the openings indicates defects such as pin holes, cracks and/or uneven distribution of gelatin in the capsules.

REFERENCES:
patent: 598141 (1898-02-01), Ferguson
patent: 1000644 (1911-08-01), Vanneman
patent: 1236080 (1917-08-01), Hickman
patent: 1361040 (1920-12-01), Fox
patent: 3709598 (1973-01-01), Vandenberg et al.

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