Down and stuck ware inspection method and apparatus

摘要

Inspection of a procession of ware such as bottles on a moving conveyor for "down" bottles and bottles which are "stuck" and tilted is accomplished by maintaining an average of detected dimensions for acceptable bottles and by comparing a sensor signal which is indicative of bottle dimension to thresholds which are preselected percentages of the average. Variations in detected bottle dimension, due to different or changing production conditions or variations in conveyor speed, are automatically compensated for.