Ultrasonic friction-fusion method and apparatus

Details Ultrasonic friction-fusion method and apparatus Ultrasonic friction-fusion method and apparatus

B - Operations, Transporting

01

J

154/29.02

B01J 19/10 (2006.01) B29C 65/06 (2006.01) B29C 65/08 (2006.01) B65B 13/32 (2006.01)

Patent

CA 1212609

Abstract of the Disclosure Apparatus and method for securing a thermoplastic strap around a package by compressing the overlapping strap end portions together and moving one of the overlapping end portions in a transverse direction relative to the other at a very high frequency and small amplitude to melt and fuse the interface regions therebetween. The transducer used to produce the ultrasonic vibrations is supported solely at its nodal point where it is vibration free.

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