Metal fusion bonding – Including means to provide heat by friction between...
Reexamination Certificate
2008-06-16
2011-11-08
Ward, Jessica L (Department: 1735)
Metal fusion bonding
Including means to provide heat by friction between...
C228S112100
Reexamination Certificate
active
08052028
ABSTRACT:
A device for use with a welding apparatus, such as a friction stir spot welding (FSSW) apparatus, that maintains work pieces in a generally flat or flush orientation during a welding operation. The device can be mounted to the operable end of an FSSW apparatus so that it exerts a stabilizing force against an upper work piece. The stabilizing force exerted by the device prevents the upper work piece from deflecting when the rotating tool of the FSSW apparatus passes through the upper work piece and penetrates into the lower work piece. In an exemplary embodiment, the device includes a housing component that slidably receives a movable component under the force of a biasing component.
REFERENCES:
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patent: 2007/0152015 (2007-07-01), Burton et al.
patent: 2008/0006677 (2008-01-01), Kumagai et al.
patent: 2008/0112768 (2008-05-01), Matlack et al.
Chen Yen-Lung
Hall Mark T.
Holupko Corey C.
Szymanski Robert T.
Anderson Lionel D.
GM Global Technology Operations LLC
Reising Ethington P.C.
Saad Erin
Ward Jessica L
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