WERKWIJZE VOOR HET MET ELKAAR VERBINDEN VAN DE OVERLAPPENDE BANDEINDEN VAN EEN OM EEN PAKKET AAN TE BRENGEN LUS VAN EEN THERMOPLASTISCHE KUNSTSTOFBAND.

摘要

Two thermoplastic strips are weld together frictionally by positioning the ends of the strips together in overlapping relation. A third strip of thermoplastic is interposed between the overlapping strips. Gripping the ends of the two overlapping strips so as to maintain them stationary while moving the third strip rapidly in a direction longitudinally of said two strips until the third strip is removed from between the two overlapping strips.