Coating processes – Direct application of electrical – magnetic – wave – or... – Sonic or ultrasonic
Reexamination Certificate
2007-10-16
2010-10-26
Cleveland, Michael (Department: 1712)
Coating processes
Direct application of electrical, magnetic, wave, or...
Sonic or ultrasonic
C204S157420, C422S020000, C422S128000
Reexamination Certificate
active
07820249
ABSTRACT:
An acoustic system for applying vibratory energy including a horn connected to an ultrasonic energy source. The horn defines an overall length and wavelength, and at least a leading section thereof is comprised of a ceramic material. The leading section has a length of at least⅛the horn wavelength. In one preferred embodiment, an entirety of the horn is a ceramic material, and is mounted to a separate component, such as a waveguide, via an interference fit. Regardless, by utilizing a ceramic material for at least a significant portion of the horn, the ultrasonic system of the present invention facilitates long-term operation in extreme environments such as high temperature and/or corrosive fluid mediums. The present invention is useful for fabrication of metal matrix composite wires.
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Amin Kamal E.
Carpenter Michael W.
Gerdes Ronald W.
Nayar Satinder K.
3M Innovative Properties Company
Baker James A.
Cleveland Michael
Empie Nathan H
Pastirik Daniel R.
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