Coating thickness gauge

Details Coating thickness gauge Coating thickness gauge

1981-03-05

1984-01-10

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

G01B 706

Patent

active

044255462

ABSTRACT:
A film thickness gauge for measuring the thickness of paint, etc. has a magnet which is placed on the surface to be attracted by a magnetic substrate. The magnet is withdrawn by spring tension. A withdrawal member is braked when the magnet is released and the position of the withdrawal member on release is indicated in terms of the thickness of the coating.

REFERENCES:
patent: 2384529 (1940-07-01), Breitenstein
patent: 3716779 (1973-02-01), Akulav
patent: 4164707 (1979-08-01), Nix
patent: 4336498 (1982-06-01), Lukhvich et al.

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