A carrier web with recesses or pockets therein which contain pressure sensitive adhesive. The recesses in the carrier web maintain the adhesive in a discrete pattern during handling and storage and prevent lateral flow of the pressure sensitive adhesive under ambient conditions. The patterned adhesive...http://www.google.de/patents/US5449540?utm_source=gb-gplus-sharePatent US5449540 - Patterned pressure sensitive adhesive transfer tape
