Electric heating – Heating devices – With heating unit structure
Patent
1973-12-26
1976-03-16
Grimley, Arthur T.
Electric heating
Heating devices
With heating unit structure
337107, 338328, 228216, H05B 316, H01H 6102
Patent
active
039447871
ABSTRACT:
A heater on metal composite unit. A strip of metal has a stripe of an electrically insulative and thermally conductive synthetic resin material bonded to one surface along the length thereof. At least one stripe of an electrically conductive material, having a width less than the width of the insulative stripe, is bonded to the surface of the insulative stripe along the length thereof. A strip of electrical resistance material at least partially overlies the stripes of both the conductive and insulative materials thereby providing a path of electrical resistance material from the conductive stripe transversely across a portion of the width of the insulative stripe whereby when electrical current flows through the electrical resistance material it will supply heat to the metal strip. Apparatus and a process for fabricating these composite units are also disclosed.
REFERENCES:
patent: 1881446 (1932-10-01), Flanzer
patent: 2624823 (1953-01-01), Lytle
patent: 2920165 (1960-01-01), Dittman et al.
patent: 3248501 (1966-04-01), Hire
patent: 3370262 (1968-02-01), Marty et al.
patent: 3387248 (1968-06-01), Rees
patent: 3434089 (1969-03-01), Waseleski, Jr. et al.
patent: 3649945 (1972-03-01), Waits
patent: 3791863 (1974-02-01), Quirk
patent: 3811934 (1974-05-01), Glaser
Baumann Russell E.
Grimley Arthur T.
Haug John A.
McAndrews James P.
Texas Instruments Incorporated
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