Container chipped crown ring detector

Details Container chipped crown ring detector Container chipped crown ring detector

1978-10-02

1980-07-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

209526, 356240, G01N 2132

Patent

active

042130425

ABSTRACT:
A container crown ring chip detector applying opto-electronic means for detecting the presence of chips in the container crown ring finish consisting of support means straddling the path of travel of the container crown ring, photo elements in opposing alignment and surrounding a substantial portion of the crown ring inspection station, electronic control means driving photo emitters which emit inspection rays detected by cooperating photo transistor receivers, and sequential driver circuits and synchronous detector circuits.

REFERENCES:
patent: 3267796 (1966-08-01), Mathias
patent: 3327849 (1967-06-01), Sorbie
patent: 3349906 (1967-10-01), Calhoun
patent: 3355980 (1967-12-01), Mathias
patent: 3479514 (1969-11-01), Kidwell
patent: 3631255 (1971-12-01), Gender et al.

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