Republic Steel Corporation

Gerald R Coy

James M Toth

Richard F Abramczyk

Benjamin J Ross

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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Medina, OH, United States of America

Gerald R Coy