Surface heating equipment

Electric heating – Heating devices – With heater-unit housing – casing – or support means

Patent

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Details

219535, 219541, 219544, 338212, H05B 334

Patent

active

041210930

ABSTRACT:
A heating tape is described which comprises two longitudinally extending foil conductors and a longitudinally extending tape incorporating heating elements spaced apart along its length. The heating elements are connected electrically in parallel between the heating foils, enabling the heating tape to be powered from one end.

REFERENCES:
patent: 1036632 (1912-08-01), Jahr
patent: 1869629 (1932-08-01), Stranszky
patent: 2494589 (1950-01-01), Sletner
patent: 2719907 (1955-10-01), Combs
patent: 2759092 (1956-08-01), Fortin
patent: 2782289 (1957-02-01), Nathamson
patent: 2812409 (1957-11-01), Jones et al.
patent: 3341690 (1967-09-01), Comming
patent: 3527925 (1970-09-01), Toyooka et al.
patent: 3757086 (1973-09-01), Indoe
patent: 3959622 (1976-05-01), Bohdonov

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