Radiant heater for a cooker, with a moulded insulating base

Details Radiant heater for a cooker, with a moulded insulating base Radiant heater for a cooker, with a moulded insulating base

2006-07-11

2006-07-11

Paik, Sang (Department: 3742)

Electric heating

Heating devices

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

C219S461100

Reexamination Certificate

active

07075039

ABSTRACT:
The radiant heater (1) adapted to a warmer type electric cooking plate (2) comprises an insulating base (4) supporting a heating resistor (5) resting on a central area (4a) fixed by means of metal staples (11) inserted in it, while the insulating base is provided with a guide slot (10) for the heating resistor, a peripheral annular area (4b) for fastening in a metal tray (3), and a vertical annular wall (4c) forming an enclosure below the heated plate area (2), wherein the insulating base is made of a single piece, moulded with a vermiculite mix insulating material and at least one binder compound in an aqueous solution, and a water-repellent additive in a proportion of less than 5%, the density of the resultant insulating moulding after drying being more than 350 Kg/m3.

REFERENCES:
patent: 4357436 (1982-11-01), Zucker et al.
patent: 4414465 (1983-11-01), Newton et al.
patent: 4864105 (1989-09-01), Morgan et al.
patent: 4983810 (1991-01-01), Balderson
patent: 5532458 (1996-07-01), Kratel et al.

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