Electric heating apparatus with housing

Details Electric heating apparatus with housing Electric heating apparatus with housing

2006-03-14

2006-03-14

Evans, Robin O. (Department: 3742)

Electric heating

Heating devices

With heater-unit housing, casing, or support means

C219S202000, C219S505000, C219S530000, C219S540000, C392S485000, C338S306000

Reexamination Certificate

active

07012225

ABSTRACT:
Electric heating apparatus and manufacturing method for an electric heating apparatus, wherein prefabricated constructional units are used. The prefabricated constructional units consist of PTC heating elements fastened to contact sheets by means of a lacquer. This simplifies production and enhances protection against corrosion.

REFERENCES:
patent: 5219922 (1993-06-01), Steinberger et al.
patent: 5256857 (1993-10-01), Curhan et al.
patent: 5777541 (1998-07-01), Vekeman
patent: 6178292 (2001-01-01), Fukuoka et al.
patent: 101 21 568 (2002-10-01), None
patent: 1 182 908 (2002-02-01), None

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