Ultrasonic inspection
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United States of America Patent
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May 11, 1982
Issued Date -
N/A
app pub date -
Feb 5, 1981
filing date -
Aug 14, 1978
priority date (Note) -
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Abstract
An ultrasonic flaw detector for detecting irregularities in an object, such as a pipe, having a segment of annular cross-section. The detector includes a transducer with an involute transmitting surface for sending ultrasonic signals into the object at equal non-radial angles of incidence. The detector further includes transmission apparatus for maintaining a constant physical relationship between the transducer and the pipe and interpretive apparatus for correlating reflections of ultrasonic signals within the object with irregularities.
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