Heating device coated with a self-cleaning coating

Details Heating device coated with a self-cleaning coating Heating device coated with a self-cleaning coating

2003-11-20

2008-03-04

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S521000, C502S249000, C502S060000, C502S066000, C502S074000, C502S084000, C502S241000, C502S244000, C427S453000, C427S455000, C427S330000, C428S450000

Reexamination Certificate

active

07339142

ABSTRACT:
The invention relates to a heating device (1) comprising a metallic substrate (2) whose at least one part is coated with a self-cleaning coating. The inventive coating consists of an external layer (4) contacting ambient air and comprising at least one type of oxidation catalyst selected from platinoid oxides, at least one internal layer (3) which is arranged between the metallic substrate and the external layer and comprises at least one type of oxidation catalyst selected from transition elements oxides of1b group. The inventive heating device can be embodied, for instance in the form of an iron soleplate consisting of a heating base (6) provided with heating elements (7) or a cooking appliance. Said metallic substrate can be covered with an intermediary enamel layer (5). A method for coating the metallic substrate of a heating device with said coating is also disclosed.

REFERENCES:
patent: 3566855 (1971-03-01), Morgan
patent: 4029603 (1977-06-01), Denny et al.
patent: 4180482 (1979-12-01), Nishino et al.
patent: 4862609 (1989-09-01), Ullrich et al.
patent: 2 400 876 (1979-03-01), None

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