A roll of pressure-sensitive tape material which is divided into predetermined lengths by perforations transversely of the length of the tape and each length of tape is separated by a second length of tape and by perforations which provide means for grasping and controlling the length of tape as it is...http://www.google.es/patents/US4562102?utm_source=gb-gplus-sharePatente US4562102 - Roll of predetermined length strips of pressure-sensitive tape
Roll of predetermined length strips of pressure-sensitive tape