Electrically insulated resistance heater

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

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Details

219212, 219530, 219544, 219549, H05B 334

Patent

active

042937639

ABSTRACT:
A thin, flat, multi-laminate resistance heater structure including a pair of spaced laminates of dielectric material with opposing inner surfaces, an elongate resistance element arranged between and extending throughout the major surface areas of said opposing surfaces, bonding material about the element and between the element and between the laminates and a filler in the bonding material comprising a multiplicity of strong dimensionally stable particulate components of a dielectric material having a lower dielectric constant than the bonding material.

REFERENCES:
patent: 1820602 (1931-08-01), Dick
patent: 3102186 (1963-08-01), Owers
patent: 3153140 (1964-10-01), Theodore et al.
patent: 3191005 (1965-06-01), Cox
patent: 3238355 (1966-03-01), Van Ecck
patent: 3263307 (1966-08-01), Lund et al.
patent: 3584198 (1971-06-01), Doi et al.
patent: 3790753 (1974-02-01), Miller
patent: 4139763 (1979-02-01), McMullan et al.
patent: 4233492 (1980-11-01), McMullan et al.

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