Method and installation for selective detection of defects in a workpiece
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United States of America Patent
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May 19, 1987
Grant Date -
N/A
app pub date -
Apr 3, 1985
filing date -
Apr 6, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For selective detection of microscopic defects in a workpiece to be checked presenting at least one macroscopic discontinuity of known nature, upon relative motion in respect to such workpiece according to a given check line, detecting the times when such check line meets a discontinuity, and searching for any possible defects in the workpiece intermittently for time intervals defined in reference to said times. This applies in particular to inspection of weld seams of welded tubes.
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Cited Art Landscape
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