| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0013]FIG. 1 is a drawing showing a side view of a continuous sealing machine having apparatus for continuous ultrasonic welding of zipper tape in accordance with one embodiment of the invention. [0014]FIG. 2 is a drawing showing, on an enlarged scale, the rotary elements for ultrasonic welding incorporated in the sealing machine depicted in FIG. 1. [0015]FIG. 3 i
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