Ultrasonic stir welding process and apparatus

Details Ultrasonic stir welding process and apparatus Ultrasonic stir welding process and apparatus

2007-01-29

2009-08-04

Ward, Jessica L (Department: 1793)

Metal fusion bonding

Process

Using high frequency vibratory energy

C228S112100, C228S001100, C228S002100

Reexamination Certificate

active

07568608

ABSTRACT:
An ultrasonic stir welding device provides a method and apparatus for elevating the temperature of a work piece utilizing at least one ultrasonic heater. Instead of relying on a rotating shoulder to provide heat to a workpiece an ultrasonic heater is utilized to provide ultrasonic energy to the workpiece. A rotating pin driven by a motor assembly performs the weld on the workpiece. A handheld version can be constructed as well as a fixedly mounted embodiment.

REFERENCES:
patent: 5460317 (1995-10-01), Thomas et al.
patent: 6213379 (2001-04-01), Takeshita et al.
patent: 6811632 (2004-11-01), Nelson et al.
patent: 7121448 (2006-10-01), Subramanian et al.
patent: WO 01/85383 (2001-11-01), None

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