Method and apparatus for magnetically testing elongate objects u

Details Method and apparatus for magnetically testing elongate objects u Method and apparatus for magnetically testing elongate objects u

1992-03-24

1995-03-28

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324232, 324262, G01N 2782, G01R 3312

Patent

active

054020662

ABSTRACT:
A magnetic interferometer for performing nondestructive magnetic induction testing and inspection of wire rope and cable. The device concentrically surrounds a wire rope or cable to be tested and includes means for inducing a magnetic field in the rope or cable as well as means for detecting flux changes in the induced magnetic field. By detecting flux changes in the magnetic field the condition of the rope or cable can be determined.

REFERENCES:
patent: 2194229 (1940-03-01), Johnston et al.
patent: 2882488 (1959-04-01), Price et al.
patent: 4659991 (1987-04-01), Weischedel
patent: 4827215 (1989-05-01), Van Der Walt
patent: 4864233 (1989-09-01), Harrison
patent: 4929897 (1990-05-01), Van Der Walt
Weischedel and Ramsey, Electromagnetic testing, a reliable method for the inspection of wire ropes in service, NDT International vol. 22 No. 3 Jun. 1989 (pp. 155-158).
PS Prosyst BV, Radio Telemetry Load Measuring Equipment, Product Description page, Nov. 1990.

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