Method of determining thickness of magnetic pipe by measuring the time it takes the pipe to reach magnetic saturation
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United States of America Patent
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Feb 1, 1994
Grant Date -
N/A
app pub date -
Apr 4, 1991
filing date -
Apr 4, 1991
priority date (Note) -
Expired
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Abstract
A method for determining the thickness of a pipe by inserting a coil into the pipe and applying a voltage to the coil and measuring the time it takes for current in the coil to magnetically saturate the pipe and determining the thickness of the pipe from the measure time.
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