Method of making a bellows

Details Method of making a bellows Method of making a bellows

1978-11-30

1980-11-04

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29454, 92 46, 156182, 156292, B32B 3120

Patent

active

042318246

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.

REFERENCES:
patent: 2400048 (1946-05-01), Jones
patent: 2565296 (1951-08-01), Chyle
patent: 2657075 (1953-10-01), Schwester et al.
patent: 2989084 (1961-06-01), Jones
patent: 3277927 (1966-10-01), Schneider
patent: 3284264 (1966-11-01), O'Rourke
patent: 3482302 (1969-12-01), Williams
patent: 3525454 (1970-08-01), Frederiksen
patent: 3916737 (1975-11-01), Libicki
patent: 3947307 (1976-03-01), Buchscheidt

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