Chipped neck inspector

Details Chipped neck inspector Chipped neck inspector

1984-10-01

1985-10-08

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356240, G01V 904

Patent

active

045462470

ABSTRACT:
A mechanism for automatically inspecting the condition of the lip of a container. A beam or pulse of energy is directed by a first energy guide to impact upon a portion of the lip of a container. The amount of energy, reflected off the lip and through a second energy guide, is measured by a sensor located at the end of the second guide. The sensor produces an output signal having a magnitude proportional to the amount of reflected energy received by the sensor. Appropriate electrical circuitry compares the magnitude of the sensor output to a preselected magnitude. If the sensor output is greater it generates a first signal indicating a first condition of that portion of the lip of the container and, if the sensor output is less it generates a second signal indicating a second condition of that portion of the lip. A plurality of such reflected beams and sensors and electrical circuits may be employed around the perimeter of the lip to determine the condition of substantially the entire lip.

REFERENCES:
patent: 3349906 (1967-10-01), Calhoun et al.
patent: 3533704 (1970-10-01), Krenmayr
patent: 3791741 (1974-02-01), Brenholdt
patent: 3880750 (1975-04-01), Butler et al.
patent: 3980890 (1976-09-01), Heckrodt et al.
patent: 4026414 (1977-05-01), Ellinger
patent: 4293219 (1981-10-01), Ducloux
patent: 4391373 (1983-07-01), Wiggins

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