Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...
Reexamination Certificate
2006-12-05
2006-12-05
Palabrica, Ricardo J. (Department: 3663)
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
C376S294000, C029S759000, C029S706000, C228S119000
Reexamination Certificate
active
07145976
ABSTRACT:
In a nuclear reactor, cooled by pressurized water, an apparatus is employed for replacing a section of a primary circuit primary pipe that interconnects first and second components of a primary circuit. The apparatus cuts out and removes a section of the primary pipe. Supports are provided for the end parts of a new replacement section in a position held by the removed pipe. The apparatus bevel welds the end parts of the new replacement section of the primary pipe to confronting corresponding ends of the remaining primary pipe. Means are provided to work within the pipe along the entire length of the interior surface of the primary pipe and is introduced through one of first and second components of the primary circuit to a location within the welded replacement pipe section.
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France Search Report, FA 619392 FR 0203635, Jan. 29, 2003, pp. 1-2.
Channussot Jean-Michel
Latreille Pascal
Connolly Bove & Lodge & Hutz LLP
Framatome ANP
Palabrica Ricardo J.
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