In order to verify that a packer box on a binding line has successfully dropped the correct signature onto a gathering chain, a unique system and method are disclosed wherein the system includes utilizing common indicia in a preselected location on each of the signatures to be fed from the packer box...http://www.google.fr/patents/US5458323?utm_source=gb-gplus-shareBrevet US5458323 - Binding line with misfeed scanner located on gathering line
Binding line with misfeed scanner located on gathering line
