Metal working – Means to assemble or disassemble – Nuclear device
Patent
1990-06-29
1991-12-10
Cuda, Irene
Metal working
Means to assemble or disassemble
Nuclear device
2940201, 29726, 29823, B23P 1526
Patent
active
050706004
ABSTRACT:
A tool positioning assembly for receiving tooling for repairing heater penetrations at the lower end of a pressurizer supported on its end by a support skirt between the pressurizer and a base with the pressurizer having a surge line extending vertically into the apex of the lower spherical end of the pressurizer. A pair of circular tracks are mounted so as to be concentric with the pressurizer. The inner track is mounted to the surge line and the outer track is mounted so as to be below the outer periphery of the pressurizer. A carriage is movably mounted between the tracks so as to be movable therebetween and around the pressurizer. Cross slides mounted on the carriage provide horizontal movement. A vertical slide mounted on the upper cross slide provides vertical movement and is also rotatable around its own vertical axis for clearance purposes when maneuvering around the heater penetration nozzles.
REFERENCES:
patent: Re33373 (1990-10-01), Gallo et al.
patent: 4639994 (1987-02-01), Cooper, Jr. et al.
patent: 4673545 (1987-06-01), Cooke et al.
patent: 4715111 (1987-12-01), Kapoor et al.
patent: 4716010 (1987-12-01), Gallo et al.
Brew John D.
Gould Michael C.
Lindsey Orville L.
Pendergraft Rex A.
Cuda Irene
Edwards Robert J.
LaHaye D. Neil
The Babcock & Wilcox Company
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