Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1981-01-12
1984-01-31
Cannon, James C.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219529, 219543, 219548, 219549, 338211, 427121, 427122, 427180, 427197, 427202, 427282, 427299, 4273977, 428 87, 428 95, 428 96, 428 97, 428195, 428201, 428204, 428207, 428208, 428283, 428286, 428288, 428289, 428302, 428303, 428337, 428339, 428901, H05B 316, H05B 334
Patent
active
044292163
ABSTRACT:
An electrically conductive element comprises a support (perferably a flexible continous polymeric film) and fibrous material (preferably a spun glass fiber web) which is partially embedded in the support and partially protruding therefrom, the protruding fibrous material being part of a conductive layer comprising randomly distributed fibers having conductive material adhered thereto. The element can be prepared from a conductive composition containing conductive particles dispersed in a liquid medium (preferably an aqueous dispersion of carbon particles) by applying said composition to a substrate comprising a support and fibrous material which is partially embedded in one surface of the support and partially protruding therefrom, and then drying to evaporate the liquid medium. The elements are particularly useful as heating elements which comprise electrodes so that current can be passed through the conductive layer.
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Cannon James C.
Raychem Corporation
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