Method of determining thickness of magnetic pipe by measuring the time it takes the pipe to reach magnetic saturation
US5283520A · kind A · utility
27Cited by
8References
4Claims
0Family size
Inventors
Key dates
| Filing date | Apr 4, 1991 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Apr 4, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.