Ultrasonic friction-fusion method and apparatus

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

1982-06-02

1984-11-13

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

100 33PB, 156 731, 156 735, 156580, 228 1R, B29C 2708, B65B 1332

Patent

active

044824211

ABSTRACT:
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 region therebetween. The transducer used to produce the ultrasonic vibrations is supported solely at its nodal point where it is vibration free.

REFERENCES:
patent: 3054309 (1962-09-01), Elmore et al.
patent: 3442732 (1969-05-01), Stensaker et al.
patent: 3483073 (1969-12-01), Pounder et al.
patent: 3548740 (1970-12-01), Kobiella
patent: 4208001 (1980-06-01), Martner
patent: 4244773 (1981-01-01), Siebeck et al.

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