Infrared ray lamp, heating apparatus using the same, method...

Electric resistance heating devices – Heating devices – Radiant heater

Reexamination Certificate

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Details

C392S419000

Reexamination Certificate

active

10960629

ABSTRACT:
The present invention provides an infrared ray lamp and a heating apparatus using that infrared ray lamp, a method of manufacturing a heating element and a method of manufacturing an infrared ray lamp, in which radiation range in the longitudinal direction of an infrared ray lamp is either widened than the length of a heating element and carries out heating uniformly, or narrowed than the length of the heating element and increases the radiation intensity to carry out heating locally. Infrared ray lamp of the present invention has: a curved glass tube which has a form that extends in longitudinal direction, its crossing angle of the tangent lines of both ends along that longitudinal direction being 2 degrees or more; and a single or a plurality of heating elements which are sealed in the glass tube and has a flexibility to curve around the glass tube.

REFERENCES:
patent: 4469529 (1984-09-01), Mimura
patent: 5628859 (1997-05-01), Janin et al.
patent: 6057532 (2000-05-01), Dexter et al.
patent: 6534904 (2003-03-01), Dieudonné et al.
patent: 6654549 (2003-11-01), Konishi
patent: 2004/0096202 (2004-05-01), Konishi
patent: 2001168798 (2001-06-01), None
patent: WO 01/41507 (2001-06-01), None

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