Apparatus for the on-line control of folding box blanks

摘要

A device for on-line control and automatic ejection of faulty blanks moving along a conveyor wherein there is a linear ejector conveyor positioned laterally and at an acute angle to the conveyor direction and wherein the speed with which the faulty blanks are conveyed away by the ejector conveyor is related to the speed of the conveyor by the relationship (Conveyor Speed)=(Ejector Conveyor Speed)(Cosine of the acute angle).