Far-infrared radiator and method for producing method

Stock material or miscellaneous articles – Composite – Of metal

Reexamination Certificate

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C428S472000, C428S472200, C205S105000, C205S173000

Reexamination Certificate

active

10276413

ABSTRACT:
The present invention discloses a far infrared radiator used in various types of heating equipment. This far infrared radiator is comprised of a base material1composed of aluminum or aluminum alloy, and an electrolytic colored film2formed on this base material1. Fine irregularities are formed in the surface of the electrolytic colored film, and nickel or cobalt is heterogeneously deposited from the bottoms to the openings in micropores of this film2.Electrolytic colored film2is obtained by performing electrolysis treatment in a nickel bath or cobalt bath using an alumite film3, formed on the surface of base material1having fine irregularities, as the cathode.

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patent: 5336341 (1994-08-01), Maejima et al.
patent: 6228241 (2001-05-01), Alwitt et al.
patent: 73032064 (1969-05-01), None
patent: 61 113792 (1986-05-01), None
patent: 63-145797 (1988-06-01), None
patent: 04-110493 (1992-04-01), None
patent: 06-088292 (1994-03-01), None
Patent Abstracts of Japan, vol. 010 No. 296, Oct. 8, 1986 & JP 61 113792 A (Yoshifumi Tominaga), May 1986, Abstract.

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