Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1996-12-02
1998-08-18
Sells, James
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Presses or press platen structures, per se
156 735, 310 36, B29C 6506
Patent
active
057954372
ABSTRACT:
The present invention relates to a friction welding device for joining workpieces, preferably those of thermoplastic material, comprising a stationary support, an oscillating platform and a plurality of flexural rod-like members connecting said support and said platform and an electromagnetic drive motor for driving said platform in an orbital motion. According to the invention, the electromagnetic drive motor comprises electro-motor components as they are commercially available, i. e. a drum-type cylindrical rotor composed of laminated iron sheets, preferably of the squirrel-cage type and a stator having slots provided along its inner periphery, all these parts being cheaply available since they are mass products in manufacturing asynchronous motors.
REFERENCES:
patent: 3613982 (1971-10-01), Hollenberg et al.
patent: 5160393 (1992-11-01), Snyder
patent: 5277744 (1994-01-01), Snyder
patent: 5378951 (1995-01-01), Snyder
patent: 5464498 (1995-11-01), McGrath
patent: 5468336 (1995-11-01), Lotz et al.
Der Katechismus fur die Ankerwickelei, Fritz Raskop, Technischer Verlag Hert Gram, Berlin, 1964, pp. 310-311.
Branson Ultraschall Niederlassung der Emerson Technology GmbH &
Sells James
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