Bottom electric heating element systems and ovens

Details Bottom electric heating element systems and ovens Bottom electric heating element systems and ovens

2007-10-23

2007-10-23

Paik, Sang (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C219S443100

Reexamination Certificate

active

11220893

ABSTRACT:
A bottom electric heating element for an oven wherein the electric heating element is positioned in a recessed portion in the oven bottom and comprises at least one corrugated ribbon of conductive material partially embedded in an insulating base. A glass panel is positioned over the recessed portion and on a compressible heat resistant gasket. The glass panel is transparent or semi-transparent, high temperature resistant and high impact resistant. A frame extends around the glass panel and fastens it to the oven bottom while partially and resiliently compressing the gasket to support the glass panel.

REFERENCES:
patent: 4237368 (1980-12-01), Welch
patent: 4453533 (1984-06-01), Scheidler et al.
patent: 5399839 (1995-03-01), Taplan et al.
patent: 6533289 (2003-03-01), Bono et al.
patent: 6635853 (2003-10-01), Saito et al.
patent: 6949720 (2005-09-01), Munoz et al.

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