Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1980-10-14
1982-06-08
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Presses or press platen structures, per se
156 731, 1565802, 228 1R, B23K 1904, B29C 2708
Patent
active
043337910
ABSTRACT:
An ultrasonic seam welding apparatus for seam welding at least two sheet-like workpieces piled one above the other by imparting ultrasonic oscillation, including a machine frame, a converter-horn assembly which includes a horn having a circular flat surface perpendicular to, and concentric with, the longitudinal axis of the assembly for being oscillated in a parallel direction to the longitudinal axis of the assembly, a roller rotatably supported on the machine frame and having a peripheral surface being opposed to a radially biased position of the flat surface of the horn away from the axis thereof so as to hold the workpieces under pressure with the aid of spring means for urging the roller downwards between the peripheral surface of the roller and the flat surface of the horn. The seam welding is carried out by imparting the ultrasonic oscillation to the workpieces from the converter horn assembly with the aid of the roller while regularly feeding the workpieces in good manner. Adding of an elastic ring shaped member having a slightly larger diameter than the roller attached at least on one side of the roller further improves the pressing force and guiding function of the roller.
REFERENCES:
patent: 3242029 (1966-03-01), Deans
patent: 3734805 (1973-05-01), Obeda et al.
patent: 3955740 (1976-05-01), Shoh
patent: 4131505 (1978-12-01), Davis, Jr.
Brother Kogyo Kabushiki Kaisha
Wityshyn Michael G.
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