A system for aligning portions of a carrier blank during the folding of a carrier blank into a folded carrier wherein an abutment tab having an abutment edge is provided in one portion of the carrier blank with the one portion having a first linear edge and wherein an abutment edge is provided in a second...http://www.google.de/patents/US4929223?utm_source=gb-gplus-sharePatent US4929223 - Packaging alignment system
