Method and apparatus for the inspection of tubular members
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United States of America Patent
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-
Jan 24, 1989
Issued Date -
N/A
app pub date -
Feb 27, 1987
filing date -
Oct 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of inspecting the inner and/or outer circumferential surface of a tubular member includes the steps of moving an inspection apparatus along the tubular member and during movement along the member sequentially cleaning the inner and/or outer circumferential surface and optically scanning the entire 360.degree. of the inner and/or outer circumferential surface of the elongate member. The foregoing steps are performed in a single forward pass of the inspection apparatus along the tubular member and in a return pass the tubular member is applied with a corrosion preventing material which in the return pass is dried. An apparatus for performing the method is disclosed and the apparatus is capable of determining dimensional faults and inspecting for, inter alia, cavitation, reeding and scale inclusion.
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