Ultrasonic welding of thermoplastic workpieces

Details Ultrasonic welding of thermoplastic workpieces Ultrasonic welding of thermoplastic workpieces

1985-09-12

1986-10-21

Wityshyn, Michael

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

156 731, 156153, 264 23, B29C 6508

Patent

active

046185160

ABSTRACT:
The method of joining two thermoplastic workpieces by ultrasonic energy along respective confronting surfaces includes providing one workpiece surface with an energy director while the opposing other workpiece surface contacted by the energy director exhibits a rough textured surface, rather than a conventional smooth surface, and an article manufactured according to such method.

REFERENCES:
patent: 3819437 (1974-06-01), Paine
patent: 3944261 (1976-03-01), Reed et al.
patent: 4211923 (1980-07-01), Fukuyama et al.
patent: 4564932 (1986-01-01), Lange

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