Apparatus and method for testing a vessel wall

Measuring and testing – Probe or probe mounting

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376249, G01M 1900

Patent

active

051097184

ABSTRACT:
An apparatus for testing a vessel wall includes a rail and a carriage running on the rail. An inclining and swiveling telescoping arm has an end being pivotably connected to the carriage and a free end. The telescoping arm has curved members with U-shaped cross sections. A drive mechanism for extending and retracting the telescoping arm includes a pusher tube having tensile strength and resistance to compression for driving the members in common and a motor for driving the pusher tube. A test unit is carried by the free end of the telescoping arm and a data line is connected between the test unit and an evaluation unit.

REFERENCES:
patent: 3644922 (1972-05-01), Diwinski et al.
patent: 3830480 (1974-08-01), Grant
patent: 4117733 (1978-10-01), Gugel
patent: 4155243 (1979-05-01), Elsner
patent: 4158309 (1979-06-01), Elsner et al.
patent: 4170891 (1979-10-01), Elsner
patent: 4385523 (1983-05-01), Gugel et al.
patent: 4638667 (1987-01-01), Zimmer et al.
"Ultrasonic Equipment for Inspection of Reactor Pressure Vessels in Service"; Non-Destructive Testing; vol. 7, No. 1, pp. 19-24, Feb. 1974; H. J. Meyer et al. in 73/623.
Kerntechnik, 13th Year (1971), No. 2, pp. 56-68; H.--J. Meyer: "Ultrasonic In-Service Inspection of Reactor Pressure Vessles".

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