Electric heating – Metal heating – For bonding with pressure
Reexamination Certificate
2005-09-13
2005-09-13
Kerns, Kevin P. (Department: 1725)
Electric heating
Metal heating
For bonding with pressure
C219S086700
Reexamination Certificate
active
06943315
ABSTRACT:
The automatic robot spot welding apparatus includes a welding bench including clamping frames, which are uniformly arrayed and have receiving portions for the sparer grids, and have, at both ends of the welding bench, fixing plates for the guide tubes and the instrumentation tube which are inserted into the spacer grids; a robot moving on a running rail, which is arranged in parallel to the welding bench, and having a welding gun for welding the spacer grids with the guide and instrumentation tubes; guide tube electrodes for being inserted into the guide tubes for the spot welding; an instrumentation tube electrode for being inserted into the instrumentation tube; and a controller having an apparatus control block and a robot control block for controlling components based on a program stored therein.
REFERENCES:
patent: 4111348 (1978-09-01), Laird et al.
patent: 4595815 (1986-06-01), Vere et al.
patent: 5254835 (1993-10-01), Dalke et al.
Cho Sang Hyun
Choi Yong Shin
Hwang Chang Hwan
Shin Dong Yoon
F. Chau & Associates LLC
Kepco Nuclear Fuel Co., Ltd.
Kerns Kevin P.
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