Ultrasonic welding apparatus for making a bellows

Details Ultrasonic welding apparatus for making a bellows Ultrasonic welding apparatus for making a bellows

1979-10-22

1981-02-24

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

228 1R, 4251742, B23K 106, B29C 2708

Patent

active

042526000

ABSTRACT:
A method of making a non-corrosive plastic bellows by ultrasonic welding inner and outer flanges of discs with cylindrical and half-cylindrical horns, respectively. The half-cylindrical horn and a fixture used therewith have lips to fit on opposite sides of a pair of contacting outer flanges and in between two pairs of flanges. The inner flanges are thus welded first.

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patent: 3972758 (1976-08-01), Bieber
patent: 4080229 (1978-03-01), Williams
patent: 4131505 (1978-12-01), Davis, Jr.

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