Patent · US Expired

Ultrasonic inspection

US4195530A · kind A · utility

29Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1978
Grant dateApr 1, 1980
Priority date
Expiry dateAug 14, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/0289
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.