Device and method for monitoring the internal surface of a tubul

Details Device and method for monitoring the internal surface of a tubul Device and method for monitoring the internal surface of a tubul

1993-12-14

1995-07-25

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Vessel monitoring or inspection

376258, 376450, 376451, G21C 1700

Patent

active

054369444

ABSTRACT:
The device includes a first tubular support (11) carrying on its outside surface means for fixing to a handling tool, a second tubular support (18) mounted coaxially inside the first support (11) for rotation about its axis. A flexible strip (55) carrying a monitoring probe at one of its ends is engaged in a slideway support carried by the second support (18) and including an end part (65) mounted to pivot about an axis which is perpendicular to the axis (25) of the second support (18). The strip (55) is moved translationally along the axial direction (25) by a conveyor bolt (53). The inside surface of the tubular piece (3) is monitored by moving the probe fixed to the end of the flexible strip (55) rotationally about the axis (25) and in axial translation, inside the annular space (8) between the sleeve (5) and the tubular piece (3).

REFERENCES:
patent: 4045283 (1977-08-01), Noyes et al.
patent: 4231419 (1980-11-01), Gugel
patent: 4566585 (1986-01-01), Dreher et al.
patent: 4673027 (1987-06-01), Vermaat
patent: 4684493 (1987-08-01), Gravelle
patent: 4741878 (1988-05-01), Gebelin et al.
patent: 5145637 (1992-09-01), Richardson et al.
patent: 5279168 (1994-01-01), Timm

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