Radiant heater for a cooker, with a moulded insulating base
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United States of America Patent
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Jul 11, 2006
Grant Date -
Feb 9, 2006
app pub date -
Apr 14, 2005
filing date -
Aug 5, 2004
priority date (Note) -
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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.
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