Method for discriminating high-temperature red heated material

Details Method for discriminating high-temperature red heated material Method for discriminating high-temperature red heated material

1974-08-19

1976-06-22

Dixon, Harold A.

Radiant energy

Luminophor irradiation

With ultraviolet source

250372, 250484, G01M 2138

Patent

active

039653609

ABSTRACT:
In heating a material radiant at high temperatures, such as a steel product, in a heating furnace, the said material is charged into the heating furnace to heat. A discrimination mark is previously drawn on the surface of material to be discriminated on a portion readily watched from outside the furnace. A heat resisting paint sensitive to near ultraviolet rays is used to make the mark. The said material radiant-heated in the heating furnace is discriminated from outside the furnace as being radiant by applying near ultraviolet rays of a high pressure mercury lamp thereto from outside the furnace to provide a sharp contrast between the said material surface and the said discrimination mark for the discrimination of the said mark from outside the furnace.

REFERENCES:
patent: 2085508 (1937-06-01), Neuber
patent: 2792484 (1957-05-01), Gurewitsch et al.
patent: 2945954 (1960-07-01), Gaugler
patent: 3256518 (1966-06-01), Crane
patent: 3575873 (1971-04-01), Carver
patent: 3591810 (1971-07-01), Jackson
patent: 3610932 (1971-10-01), Morse

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