Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1978-06-22
1981-01-06
Kozma, Thomas J.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219354, 219355, 219449, 219457, 219460, 219462, H05B 374, H05B 376
Patent
active
042438748
ABSTRACT:
A radiant heating unit is provided with heating resistances which are arranged on an insulating support which is substantially plate-shaped in the heating region. The insulating support has elevations formed thereon into which the heating resistances are partially embedded. For the rest, the heating resistances run substantially unembedded on the surface of the insulating support.
REFERENCES:
patent: 1195828 (1916-08-01), McClatchie
patent: 1276096 (1918-08-01), Moffat
patent: 1555543 (1925-09-01), Ziola
patent: 1673225 (1928-06-01), Bange
patent: 2231236 (1941-02-01), Wentworth
patent: 2261533 (1941-11-01), Vineberg
patent: 2913695 (1959-11-01), Borghult et al.
Kozma Thomas J.
Roskoski Bernard
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