Method of and apparatus for measuring defects in sealings

Details Method of and apparatus for measuring defects in sealings Method of and apparatus for measuring defects in sealings

1975-05-20

1977-07-26

Reeves, Robert B.

Classifying, separating, and assorting solids

Electrostatic

250224, 356196, 356209, B07C 5342

Patent

active

040377245

ABSTRACT:
Defects in the sealings of closures are located and measured by rotating the sealed closure and directing a light beam to the sealed area. The light beam reflected from the sealing mass is compared to a prespecified rated value and any deviation resulting from the comparison results in actuation of an ejecting device for ejecting the defective closure from the testing station.

REFERENCES:
patent: 2401396 (1946-06-01), Wolfner
patent: 2793746 (1957-05-01), Meyer et al.
patent: 2803343 (1957-08-01), Dodge
patent: 3393800 (1968-07-01), Durand
patent: 3629835 (1971-12-01), Brown et al.

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