Method of determining thickness of magnetic pipe by measuring th

Electricity: measuring and testing – Magnetic – Magnetic sensor within material

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Details

324229, 324238, 324242, 324339, 324346, G01B 710, G01N 2782, G01R 3312, G01V 326

Patent

active

052835200

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.

REFERENCES:
patent: 2357666 (1944-09-01), Kuehni
patent: 2770773 (1956-11-01), Cooley
patent: 2817808 (1957-12-01), Gieske
patent: 3277363 (1966-10-01), Schuster
patent: 3405353 (1968-10-01), Smith et al.
patent: 4704579 (1987-11-01), Pyatt et al.
patent: 4715442 (1987-12-01), Kahil et al.
patent: 5038107 (1991-08-01), Gianzero et al.

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