Heating device of the light irradiation type

Details Heating device of the light irradiation type Heating device of the light irradiation type

2011-03-22

2011-03-22

Robinson, Daniel (Department: 3742)

Electric resistance heating devices

Heating devices

Radiant heater

C362S558000

Reexamination Certificate

active

07912359

ABSTRACT:
A heating device of the light irradiation type having an article to be heated, a guard ring located on the periphery of that article, multiple lamps located above the article to be heated and the guard ring, and a reflecting mirror located above the lamps, in which a light diffusion part is located in the upper region corresponding to the article to be heated so that the diffused light projects onto the entire surface of the article to be heated. The light diffusion part can be formed, for example, on a reflecting mirror, an optically transparent window part located between the article to be heated and the lamps or a light diffusion area formed on the light-emitting bulbs of the lamps. The size of the region occupied by the light diffusion part is such that diffused light is not projected to the guard ring.

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patent: 2006/0263958 (2006-11-01), Kajimoto et al.
patent: 2009/0203186 (2009-08-01), Sakagami
patent: 62-020308 (1987-01-01), None
patent: 2002-110580 (2002-04-01), None
patent: 91/10873 (1991-07-01), None

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