Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1978-06-29
1980-06-10
Reynolds, B. A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219304, 219307, 219375, 219546, 219553, 338302, 338298, 338333, H05B 302
Patent
active
042074576
ABSTRACT:
A porcupine wire coil of electric resistance wire is positioned in a tube having an electrically insulating inside in which the peaks or looped ends of the coil convolutions are embedded so as to hold the coil convolutions spaced from each other. When the coil is energized, fluid flowed through the tube can be heated.
REFERENCES:
patent: 1163536 (1915-12-01), Henriksen
patent: 1171059 (1916-02-01), Loguin
patent: 1401657 (1921-12-01), Thornton, Jr.
patent: 2957154 (1960-10-01), Strokes
patent: 3384852 (1968-05-01), Beck et al.
patent: 3551643 (1970-12-01), Pricewski
patent: 3786162 (1974-01-01), Colson
Grandi Robert G.
Haglund John H.
Reynolds B. A.
Roskoski Bernard
The Kanthal Corporation
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