Apparatus for detecting defects in capsule shells

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

1982-05-03

1985-02-26

Willis, Davis L.

Optics: measuring and testing

Inspection of flaws or impurities

Containers or enclosures

G01N 2116, G01N 2132

Patent

active

045014949

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 transparent pegs carried by the panels and protruding outwardly away from the light bulbs, each peg being adapted to carry a capsule body or cap which fits snugly over the peg. Light shining through the capsule shells disposed on the pegs indicates defects such as pin holes, cracks and/or uneven distribution of gelatin in the capsules.

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

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