Radiant heater, in particular, for heating a glass-ceramic hot p

Details Radiant heater, in particular, for heating a glass-ceramic hot p Radiant heater, in particular, for heating a glass-ceramic hot p

1994-09-16

1996-07-02

Walberg, Teresa J.

Electric heating

Heating devices

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

219467, H05B 368

Patent

active

055324584

ABSTRACT:
A radiant heater, in particular for heating a glass-ceramic hot plate, has an area bearing an electrical heating element, with this area being the surface of an insulator which comprises a mounting layer and/or a thermally insulating microporous insulation layer, and having a dish-shaped enclosure which forms an annulus surrounding the insulator. The radiant heater has the mounting layer and/or the enclosure and/or the microporous insulation layer comprising a highly porous, fiber-free inorganic material, for example vermiculite. A particularly preferred embodiment provides for a fiber-free radiant heater.

REFERENCES:
patent: 3833793 (1974-09-01), McWilliams et al.
patent: 4388520 (1983-06-01), McWilliams et al.
patent: 4713527 (1987-12-01), Kicherer et al.
patent: 4985163 (1991-01-01), Kratel et al.

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