Device for carrying out maintenance work in a region of a...

Details Device for carrying out maintenance work in a region of a... Device for carrying out maintenance work in a region of a...

2006-05-09

2006-05-09

Hong, John C. (Department: 3726)

Metal working

Means to assemble or disassemble

Means to assemble electrical device

C029S706000

Reexamination Certificate

active

07040008

ABSTRACT:
The maintenance device comprises a robot (2) for carrying out maintenance work in a remote-controlled or programmed way in the maintenance region. The robot (2) comprises a supporting part (2a) connected to a clamping support (3) secured to a means (4) of transporting the maintenance device (1) between an introductory region and the maintenance region. The clamping support (3) comprises clamping shoes (11, 13a, 13b) which can be moved in roughly parallel and opposite directions so as to clamp the maintenance device (1) in the maintenance region. The transport means (4) may be constructed in the form of a carriage comprising two motorized wheelsets. The device and the method of the invention make it possible in particular to carry out machining or inspection work inside primary pipes of a pressurized water nuclear reactor.

REFERENCES:
patent: 4654702 (1987-03-01), Tolino et al.
patent: 4919223 (1990-04-01), Egger et al.
patent: 6868598 (2005-03-01), Spittle et al.
patent: 6928709 (2005-08-01), McMillan et al.
patent: 0461506 (1991-12-01), None
patent: 2137703 (1972-12-01), None
patent: 2381657 (1978-09-01), None
France Search Report, FA 616465 FR 0203636, Nov. 21, 2002, pp. 1-3.

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