Surface-gloss measuring device

Details Surface-gloss measuring device Surface-gloss measuring device

1977-04-05

1978-11-07

Corbin, John K.

Optics: measuring and testing

Of light reflection

G01N 2148

Patent

active

041243030

ABSTRACT:
An elongated cylinder having a hollow interior is provided with a first open end and a second closed end. Reflecting media are provided on the interior portion of the closed end and on half of the inner surface of the circumferential wall surface of the cylinder. First and second scales are provided on the other half of the wall surface, each being translucent in part so that incident light directed into the interior of the elongated cylinder will pass therethrough. The gloss of a surface may be measured by placing the closed end of the elongated cylinder on the surface and directing an incident light into the hollow interior via the first open end, and noting the reflection of the scales in the surface being measured. The glossier the surface, the more of the scales that will be reflected.

REFERENCES:
patent: 2830490 (1958-04-01), Pellegrini
Henry A. Gardner Laboratory, Inc. "Instruments and Methods for Determining Gloss, Surface Texture Sharpness of Reflected Images and Bloom", Mar. 1936.

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