Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1982-01-21
1986-01-28
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324202, 33169F, 33DIG1, G01B 710, G01R 3312
Patent
active
045674361
ABSTRACT:
A magnetic thickness gauge is disclosed wherein a balance arm is pivotably mounted in a housing with a spring providing a bias force to counteract a magnetic attraction of the balance arm toward a base of a coating to be measured. The balance arm is provided with a probe assembly including a magnet selectively positionable with respect to a spherical contact member of either a particular alloy of aluminum, iron and silicon or of tungsten carbide. The housing is preferably provided with supports at either end of the gauge. A balance arm is moved by way of a protrusion provided between the probe assembly and an adjustment knob for the spring with a scale and pointer indicating the thickness of the coating to be measured.
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Edmonds Warren S.
Koch Linda
Strecker Gerard R.
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