Electric heating element

Details Electric heating element Electric heating element

H - Electricity

01

B

31/160, 309/3

H01B 1/18 (2006.01) H05B 3/14 (2006.01) H05B 3/28 (2006.01)

Patent

CA 1275799

ABSTRACT An electric heating element, comprising a core of electrically conductive material, which is connected to a source of alternating current and has a shell of impermeable concrete. The core is moulded from a mix- ture of graphite powder, silicate of potassium, cement and water.

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