Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-10-02
2007-10-02
Osele, Mark A (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S094000, C156S285000, C156S305000, C029S402020, C029S402180, C427S142000, C264S036220
Reexamination Certificate
active
10965784
ABSTRACT:
A method includes blasting the interior surfaces of the fitting to stator bar strand joint with CO2pellets to remove loose copper oxide which otherwise would interfere with proper sealing between an epoxy and the copper surfaces of the joint. After cleaning the surfaces and applying air under pressure to remove particulate material, epoxy is applied to the brazed joints followed by an evacuation of the fitting to strand joint. Subsequent release of the vacuum ensures that the epoxy fills in all crevices or cracks at the joint surfaces and minimizes or eliminates any tendency of the epoxy to delaminate.
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GB0520807.9, “Search Report” (Jan. 17, 2006).
General Electric Company
Nixon & Vanderhye PC
Osele Mark A
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