Measuring and testing – Inspecting
Patent
1991-01-22
1993-03-09
Williams, Hezron E.
Measuring and testing
Inspecting
252387, 73104, G01M 1900, G01N 2133
Patent
active
051918030
ABSTRACT:
A method for detecting the presence of any discontinuity in an anticorrosion oil coating applied onto the internal walls of a nautical ballast. The method comprises the steps of (1) adding an oil-soluble tracer to the anticorrosion oil coating prior to its application onto the internal walls of the ballast, the tracer being insoluble in water and rust; inert to rust, water and the oil; and capable of emitting visible light under the effect of a black light; (2) after application of the oil coating, submitting the inside walls coated with the oil to the effect of a black light, and (3) checking the continuity of the visible light that is emitted by the oil coating, whereby the presence of oil is detected by visible light emitted by the tracer and its absence is detected by the absence of any emitted visible light. An anticorrosion oil containing such a tracer is also disclosed.
REFERENCES:
patent: 2806959 (1957-09-01), DeForest et al.
patent: 3162642 (1964-12-01), McCafferty
patent: 3856465 (1974-12-01), Lipscomb
patent: 4495225 (1985-01-01), Ciuba et al.
patent: 4781757 (1988-11-01), Lamb
patent: 4982601 (1991-01-01), Troxell
Dombroske George M.
Mag Chem Inc.
Williams Hezron E.
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