Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1980-01-18
1982-01-19
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
29613, 219530, 219540, 219541, 219544, 338249, H05B 358
Patent
active
043119000
ABSTRACT:
A heater band formed of an extruded metal channel member and a heater plate assembly received within a slot extending along the length of the channel. The heater plate assembly and the extrusion are compressed together to provide a heater band having a dense cross section resulting in improved heat transfer characteristics. The heater band in accordance with the present invention has a longer life and higher heating capabilities than heater bands known to the prior art.
REFERENCES:
patent: 1150326 (1915-08-01), Hardaway, Jr.
patent: 1993410 (1935-03-01), Lightfoot
patent: 2740035 (1956-03-01), Young, Jr.
patent: 2801321 (1957-07-01), Prindle
patent: 2875312 (1959-02-01), Norton
patent: 2992314 (1961-07-01), Drugmand et al.
patent: 3045098 (1962-07-01), Norton
patent: 3808573 (1974-04-01), Cappell
patent: 3872281 (1975-03-01), Krieg et al.
patent: 3912907 (1975-10-01), Lodi
patent: 4203197 (1980-05-01), Crandall
Acra Electric Corporation
Mayewsky Volodymyr Y.
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