B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/08 (2006.01) B29C 65/00 (2006.01)
Patent
CA 2048150
ABSTRACT A process for welding including providing sheet material comprising a thermoplastic polymer, overlapping edges of the sheet material to form a lap joint, supporting the lap joint on an anvil, and welding the lap joint by contacting and traversing the lap joint with an ultrasonic welding horn, the improvement comprising oscillating the welding horn at a frequency of between about 30 kHz and about 45 kHz while contacting and traversing the lap joint with the welding horn. The welding horn is preferably highly thermally conductive.
Darcy John J.
Langlois Edouard E.
Thomsen Karl V.
Darcy John J.
Gowling Lafleur Henderson Llp
Langlois Edouard E.
Thomsen Karl V.
Xerox Corporation
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