H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/79
H05B 3/68 (2006.01) H05B 3/74 (2006.01)
Patent
CA 1075294
ABSTRACT OF THE DISCLOSURE An electrical heating unit having a flat utensil- supporting plate of glass-ceramic or other electrical nonconductive material. On the underside of this plate are bonded multiple coil electrical resistance film heaters arranged in a generally closed loop. Each coil or loop is of substantially equal length to have about the same watts density and provide a generally uniform temperature distri- bution over the top surface of the heating unit.
257630
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