Planar heating element

Details Planar heating element Planar heating element

1985-03-25

1987-02-24

Goldberg, E. A.

Electric heating

Heating devices

With heating unit structure

219211, 219553, H05B 334

Patent

active

046459138

ABSTRACT:
A planar heating element having a positive temperature coefficient comprises a plurality of spaced electric current supply lines constituted by contact bands and a planar support therefor equally flexible in all directions. The contact bands are in operative connection with the support, and the support includes an ion-free, electrically conductive synthetic resin whose electrical resistance has a positive temperature coefficient.

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patent: 4388607 (1983-06-01), Toy et al.
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