Ultrasonic welding method and apparatus for molded resin materia

Details Ultrasonic welding method and apparatus for molded resin materia Ultrasonic welding method and apparatus for molded resin materia

1991-12-31

1996-01-30

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156358, 1565801, B32B 3116

Patent

active

054878020

ABSTRACT:
In an ultrasonic welding method and apparatus for molded resin materials, molded resin materials, whose corresponding parts to be welded to each other have been superposed one upon the other, are held between a welding horn and a molded material receiving section, and the corresponding parts of the molded resin materials are welded to each other with an ultrasonic welding process. A plurality of parts of the molded material receiving section are supported independently of each other by a plurality of receiving section support members. When the corresponding parts of the molded resin materials are welded to each other, the supporting forces of the plurality of the receiving section support members are adjusted independently of each other such that a welding pressure applied by the welding horn onto each pair of the corresponding parts of the molded resin materials may become equal to a predetermined value. The corresponding parts of the molded resin materials are thus accurately joined to each other without any adverse effect occurring from fluctuations in the thicknesses of the molded resin materials.

REFERENCES:
patent: 2371847 (1947-03-01), Saunders et al.
patent: 3283052 (1966-11-01), Munk
patent: 4409063 (1983-10-01), Brown
patent: 4410383 (1983-10-01), Lipari
patent: 4693771 (1987-09-01), Payet et al.
patent: 4711693 (1987-12-01), Holze, Jr.
patent: 4911301 (1990-03-01), Dieffenbach

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