Container chipped crown ring detector

摘要

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.