Electric heating – Heating devices – With current connection and/or disconnection means
Patent
1991-04-15
1993-01-19
Reynolds, Bruce A.
Electric heating
Heating devices
With current connection and/or disconnection means
219549, 219553, 338212, 337415, H05B 102
Patent
active
051809001
ABSTRACT:
An electrical resistance heating element includes a pair of spaced apart electrical conductors, and a strip of resistive material disposed between the conductors and extending along their lengths. A strip of heat-sensitive, electrically conductive material is also disposed between the conductors and also extends along their lengths. The strips of resistive material and heat-sensitive, electrically conductive material together provide an electrical path between the conductors widthwise along their lengths. The heat-sensitive strip interrupts an electrical path between the conductors and widthwise through the resistive material strip only over portions of the resistive material strip which attain a predetermined temperature.
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patent: 4679107 (1987-07-01), Imakoshi et al.
patent: 4758815 (1988-07-01), Lovell
patent: 4823106 (1989-04-01), Lovell
Reynolds Bruce A.
Switzer Michael D.
Tapeswitch Corporation of America
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