Oscillating transducers for monitoring the surface of elongated

Details Oscillating transducers for monitoring the surface of elongated Oscillating transducers for monitoring the surface of elongated

1986-11-24

1988-08-30

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Plural tests

324237, 324241, G01N 2782

Patent

active

047679867

ABSTRACT:
A device for measuring or testing of an object, for example rolled wire, a tube, or a billet, to detect surface discontinuities employs a sensing transducer which is oscillated backwards and forwards over the surface of the test object by means of a motor, the oscillations taking place in the form of a curved path extending transversely of the longitudinal extent of the object.

REFERENCES:
patent: 3906357 (1975-09-01), Runshang
patent: 3939404 (1976-02-01), Tait
patent: 4027233 (1977-05-01), Shmakau et al.
patent: 4123708 (1978-10-01), Vild et al.
patent: 4126491 (1978-11-01), Karlsson
patent: 4430614 (1984-02-01), Gereg
patent: 4461995 (1984-07-01), Harris
patent: 4476434 (1984-10-01), Collins et al.
patent: 4604574 (1986-08-01), Pasluszny et al.
patent: 4644274 (1987-02-01), Casarcia

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