Ultrasonic weld inspection device comprising a support belt, and associated method

The support belt system with ultrasonic transducers and elastic links addresses the challenges of complex assembly and incomplete inspection in pipe welds by enabling quick, safe, and complete weld assessment, even around bends, thus enhancing safety and efficiency.

FR3166973A1Pending Publication Date: 2026-04-03FRAMATOME SA
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Patent Information

Application Number
FR2024010453
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing ultrasonic welding inspection devices for pipes, particularly in nuclear reactors and petrochemical installations, face challenges such as complex assembly, prolonged exposure to radiation, and incomplete inspection due to difficulty in mounting hoops around bends, leading to potential safety hazards and incomplete weld assessment.

Method used

A support belt system comprising a series of ultrasonic transducers and elastic links that easily encircle the pipe circumference, allowing for safe and complete inspection by attaching supports with complementary interfaces and pins, enabling quick and adaptable mounting around bends.

Benefits of technology

Facilitates rapid, comprehensive, and safe ultrasonic inspection of pipe welds, reducing operator exposure and ensuring full circumference coverage without the need for complex hoop mounting, even near bends.

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Abstract

Ultrasonic Weld Inspection Device Comprising a Support Belt, and Associated Method. The present invention relates to an ultrasonic inspection device (10) for a weld (12) in a pipe (14), more particularly in a nuclear reactor, for example a pressurized water reactor, or in a petrochemical plant. The inspection device (10) comprises a plurality of supports and a plurality of ultrasonic transducers, the supports being attached one after the other to form a belt adapted to encircle the pipe (14) over its entire circumference, a single transducer being mounted on each of the supports. Figure for the abstract: Fig 1
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