Thermal measuring and testing – Thermal testing of a nonthermal quantity
Patent
1981-12-29
1984-01-17
Frankfort, Charles E.
Thermal measuring and testing
Thermal testing of a nonthermal quantity
374 55, G01N 2504
Patent
active
044261608
ABSTRACT:
A method and apparatus for optically making physical measurements of materials which deform upon application of heat thereto. The device comprises a source of light, an at least partly transparent chamber having a heating source which can be programmed to operate as a function of time, and with a porous support designed to support a deformable material within the chamber. A photo-electric receiver 5 and an optical lens 7 are also provided for imaging of the material during deformation on the photo-electric receiver. In order to perform the imaging, the source of light, the porous support, the photo-electric receiver and the optical lens 7 are optically aligned. In a specific application, the apparatus can be used to determine the wetting power of pitches.
REFERENCES:
patent: 1184837 (1916-05-01), Edgecomb
patent: 3077764 (1963-02-01), Kapff
patent: 3587293 (1971-06-01), Bowers
patent: 4083224 (1978-04-01), Gayst
Frankfort Charles E.
Huiles Goudrons et Derives
Schuster David R.
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