Workpiece, and container and contents, inspecting apparatus and

Details Workpiece, and container and contents, inspecting apparatus and Workpiece, and container and contents, inspecting apparatus and

1976-12-14

1977-12-20

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

250223B, 356240, G01N 2124

Patent

active

040638235

ABSTRACT:
The method comprises directing light, in the visible light spectrum, of from approximately 4900 to 5800 Angstrom units onto workpieces, or onto containers having translucent bodies in order to illuminate the workpieces, or both the containers and fluent material contents of the containers, the method having a particular utility in inspecting workpieces in assembly or quality control operations, and in inspecting vials, ampoules, and the like, to evaluate and/or detect structural fissures, disconnections, fractures, etc. in such workpieces, and growths (i.e., egg embryos), foreign matter, and the like, in the fluent material contents of the containers, as well as the condition of the containers themselves. The apparatus comprises means suitable for practicing the novel method, and includes a support for the workpiece or fluent-material-confining container, a television system for viewing and displaying the illuminated workpiece or container and contents, and a light source which provides radiation substantially in a range of from 4900 to 5800 Angstrom units, for effecting the desired illumination of the container and contents, or workpiece, at not more than approximately 0.05 foot-candle.

REFERENCES:
patent: RE28984 (1976-09-01), Drinkuth et al.
patent: 3479514 (1969-11-01), Kidwell
patent: 3576442 (1971-04-01), Nakamura
patent: 3777169 (1973-12-01), Walter et al.
patent: 3830969 (1974-08-01), Hofstein
patent: 3914058 (1975-10-01), Knapp et al.

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