Ultrasonic method and apparatus for measuring wall thickness of

Details Ultrasonic method and apparatus for measuring wall thickness of Ultrasonic method and apparatus for measuring wall thickness of

1975-12-29

1977-02-22

Myracle, Jerry W.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01N 2904

Patent

active

040086038

ABSTRACT:
A method and apparatus for measuring the wall thickness of tubular members using pulses of ultrasonic energy and measuring the time interval between the echoes from the two surfaces of the wall. A rotating diagonal reflector in combination with a fixed transducer is used to scan the interior of the member with the time between the echo from the inner and outer surfaces of the wall being used as a measure of the wall thickness. Each of the time measurements is assigned to a particular counter to accumulate all measurements of a particular thickness. This provides a profile of the wall thickness of the tubular member.

REFERENCES:
patent: 3028752 (1962-04-01), Bacon
patent: 3093998 (1963-06-01), Albertson
patent: 3221544 (1965-12-01), Gunkel

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