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U.S. Department of Energy
Office of Scientific and Technical Information

Radiographic inspection of steam generator tubes

Patent ·
OSTI ID:7185090
The apparatus and a method for the inspection of tubes in a steam generator include a film-bearing cassette probe insertable into a target tube to a predetermined region to be inspected and a source of radiation, preferably a radioisotope, insertable into a tube adjacent the target tube to a position laterally adjacent the region to be inspected on the target tube. The cassette probe is sufficiently flexible to transit regions of tight tube curvature. 8 claims, 12 drawing figures.
Assignee:
Combustion Engineering, Inc.
Patent Number(s):
US 3958120
OSTI ID:
7185090
Country of Publication:
United States
Language:
English