Electric heating – Heating devices – With heating unit structure
Patent
1994-03-21
1996-01-16
Walberg, Teresa J.
Electric heating
Heating devices
With heating unit structure
219528, 219529, H05B 334, H05B 354
Patent
active
054849837
ABSTRACT:
An electric heating element is formed of a knit fabric and includes current supply wires and resistance wires which are incorporated in the heating element. The different types of wires extend mutually perpendicularly in the heating element. The conductive wires may be disposed in local or edge regions spaced apart with the knit fabric located therebetween. The knit fabric located between the conductive wires may be formed of non-conductive fibers or resistance wires.
REFERENCES:
patent: 2670620 (1954-03-01), Goldstaub
patent: 2967415 (1961-01-01), Ford
patent: 3472289 (1969-10-01), Webber
patent: 3513297 (1970-05-01), Jordan
patent: 3808403 (1974-04-01), Kanaya et al.
patent: 4375009 (1983-02-01), Fearnside
patent: 4538054 (1985-08-01), de la Bretoniere
patent: 4700054 (1987-10-01), Triplett et al.
patent: 4983814 (1991-01-01), Ohgushi
Paik Sam
Tecnit-Techische Textilien und Systeme GmbH
Walberg Teresa J.
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