Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1981-12-23
1984-05-08
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219449, 219460, 219462, 219467, 428256, H05B 368
Patent
active
044477112
ABSTRACT:
An electric hotplate, having an insulator bearing at least one electrical heating resistor, comprising: a metal plate heatable by the at least one electrical heating resistor, having substantially flat upper and lower surfaces and a downwardly directed rim near its outer circumference, the rim and lower surface defining a space therebetween, and the upper surface forming a cooking surface for receiving cooking vessels placed thereon; the insulator having a plurality of insulating layers, the at least one heating resistor being disposed on the upper surface of the uppermost layer; a basket-shaped metal lattice surrounding the insulator about its outer surface and holding the plurality of insulating layers together, the insulator and metal lattice forming an independently positionable heater/insulator assembly; and, fasteners at the rim for engaging the metal lattice and holding the heater/insulator assembly in position at least partly in the space.
REFERENCES:
patent: 3384737 (1968-05-01), Doutre
patent: 3612826 (1971-10-01), Deaton
patent: 3632983 (1972-01-01), Dills
patent: 3646321 (1972-02-01), Siegea
patent: 3833793 (1974-09-01), McWilliams et al.
patent: 4166878 (1979-09-01), Thompson et al.
patent: 4243874 (1981-01-01), Fischer
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