Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1973-12-12
1976-05-25
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
039584518
ABSTRACT:
An ultrasonic inspection method and apparatus for inspecting test objects such as pipeline girth welds are disclosed. Ultrasonic transducers are carried by a track circumferentially mounted around the pipeline. The transducers are mounted in a hollow, open-ended housing and a flexible seal fixed to the housing retains coupling liquid between the transducers and the pipeline to permit the propogation of waves between the transducers and the weld. An adjustable pressure regulating device maintains substantially constant liquid pressure within the housing in order to minimize the loss of coupling liquid and yet insure adequate coupling between the transducers and the weld.
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Inspection Technology Development, Inc.
Kreitman Stephen A.
Myracle Jerry W.
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