Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1985-10-21
1987-05-19
Hix, L. T.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
H05B 306
Patent
active
046670866
ABSTRACT:
A particularly efficient yet inexpensive and simple heat element for such appliances as blow dryers, paint strippers, heat guns, and so forth, consists essentially of a tightly crimped corrugated wire ribbon supported on a form in such a manner that its corrugations are generally perpendicular to the surface of the form. The resulting structure, which has an end-on appearance like that of a finned tube, efficiently radiates heat to a mass of flowing gas. A particularly preferred embodiment results when the form is intersecting mica plates.
REFERENCES:
patent: 707244 (1902-08-01), Leonard
patent: 2536925 (1951-01-01), Forss
patent: 4163146 (1979-07-01), Meywald
patent: 4350872 (1982-09-01), Meywald et al.
patent: 4357521 (1982-11-01), Ohnmacht et al.
Brown Brain W.
Hix L. T,.
North American Philips Corp.
Snyder Eugene I.
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