Method for measuring coating quality

Electrolysis: processes – compositions used therein – and methods – Electrolytic analysis or testing – For corrosion

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Details

738665, 204279, 204286, 204297R, 204404, 204434, 2057755, 294 191, G01N 2726

Patent

active

059549408

ABSTRACT:
A method and apparatus for measuring the quality, e.g., thickness, porosity, or corrosion rate, of a coating inside a hollow body having an opening. The method comprises attaching a probe from a coating measuring device to one end of an extender arm having a flexible portion therein, placing the probe inside the hollow body through the opening, and making the desired measurements of the coating.
The apparatus includes a flexible extender arm for use with a coating measuring device. The flexible extender arm comprises an elongated, substantially rigid body portion; a handle assembly connected to one end of the substantially rigid body portion; a flexible portion connected to an opposite end of the substantially rigid body portion; a coating measurement probe holder portion connected to an end of the flexible portion opposite the substantially rigid body portion; and a pull connected at one end thereof to the substantially rigid body portion and connected at an opposite end thereof to the coating measurement probe holder portion.

REFERENCES:
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patent: 3660249 (1972-05-01), Townsend
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patent: 5171524 (1992-12-01), Niolon
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Publication CMS100 "Electrochemical Measurement System", Gamry Instruments, Inc., (date unknown).
Publication SI 1280CM "Portable Corrosion Monitoring System" Solartron Instruments, (date unknown).

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