Coating processes – Interior of hollow article coating
Patent
1987-02-27
1989-01-24
Bell, Janyce
Coating processes
Interior of hollow article coating
51 2A, 51 5A, 51411, 51410, 118 72, 118314, 118306, 118317, 118326, 118500, 118503, 427 9, 427 10, 427239, 427299, 427327, 427348, B05D 722, B24C 300, B05C 1100, B24B 700
Patent
active
048001040
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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Bell Janyce
The L.B.P. Partnership C.P.I. Corporation
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