Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate
2007-07-28
2011-11-08
Ward, Jessica L (Department: 1735)
Metal fusion bonding
Process
Using dynamic frictional energy
C228S002100
Reexamination Certificate
active
08052030
ABSTRACT:
A spindle head for performing friction stir welding includes concentric spindle shafts driven by stacked, coaxial motors contained within a spindle housing. The coaxial arrangement of the motors results in a more compact package. Each of the motors is concentrically arranged around one of the spindles by directly connecting a rotor of the motor to a spindle shaft. The stators of the motors are mounted on the housing and are concentrically arranged around the concentric spindle shafts.
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Baumann John
Bommer Herb
Burton Kurt A.
Matlack Mike P.
D'Aniello Nicholas
The Boeing Company
Tung & Associates
Ward Jessica L
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