Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1975-01-06
1976-06-01
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219213, 219355, 219358, 219531, 219548, 428118, H05B 328, F24H 900, B32B 312
Patent
active
039611574
ABSTRACT:
A radiant heater of panel form comprises an electric resistance heater sandwiched between a non-conductive flat front panel and a thermal insulator in the form of an open-celled honeycomb panel having closed front and rear faces. An electrically non-conductive rear panel is bonded to the rear face of the honeycomb panel. The front panel is selected for maximum emission at temperatures below 200.degree.F. The interior of the rear face of the honeycomb panel is provided with a heat reflecting metallic foil layer which acts as a directional heat reflector. The over temperature protection device for the panel heater is positioned entirely within the honeycomb panel between the front and rear faces thereof.
REFERENCES:
patent: 2001632 (1935-05-01), Schlichting
patent: 2512875 (1950-06-01), Reynolds
patent: 2540295 (1951-02-01), Schreiber
patent: 2556470 (1951-06-01), Del Mar
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patent: 2799764 (1957-07-01), Chandler
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patent: 3043943 (1962-07-01), Moot
patent: 3309500 (1967-03-01), Reynolds
patent: 3513296 (1970-05-01), Brangs et al.
patent: 3612823 (1971-10-01), Ellison
Hackett Barrie H.
Miller Robert C.
Bartis A.
Safeway Products Inc.
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