Inspection probe

Details Inspection probe Inspection probe

1978-11-08

1981-05-05

Little, Willis

Geometrical instruments

Area integrators

Electrical

33178E, G01B 1112

Patent

active

042650259

ABSTRACT:
An inspection probe for inspecting tubular members comprises a housing having a plurality of feeler wires extending therefrom and into contact with the inner side of the tubular members. The inspection probe also comprises a radiation source and radiation sensors arranged in the probe so that the sensors can detect radiation from the source that has been reflected from the feeler wires. The sensors are arranged so that when the feeler wires encounter an irregularity in the tubular member the amount radiation reflected from the feeler wires to the sensors will change in relation to the size of the irregularity. Output from the sensors is calibrated to remotely indicate the size and location of the irregularity.

REFERENCES:
patent: 2725486 (1955-11-01), Walstrom
patent: 2933819 (1960-04-01), Kinley
patent: 2994962 (1961-08-01), Lebourg

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