Patent ID: 7942397

Claim:
Device for opening folded or bound printed products, comprising: a feeder device for feeding-in individual folded or bound sub-products; an opening device for opening the sub-products, and an opening verifying installation, which is designed to detect deficiently opened sub-products with an optical device before the sub-products are further processed, wherein sub-products not opened at all are also considered as deficiently opened sub-products, wherein in the case of sub-products detected as being deficiently opened, the device is designed not to carry out the further processing, but to either eject a deficiently opened sub-product or to conduct it back to the opening device once more; and wherein the feeder device is a circulating conveying device, which is designed for the simultaneous transporting of a plurality of sub-products, and the feeder device itself is designed for conducting deficiently opened sub-products back to the opening device once more.