H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 3/22 (2006.01) A47J 31/44 (2006.01) A47J 31/54 (2006.01) H05B 3/14 (2006.01)
Patent
CA 2062259
ABSTRACT A coffee or tea machine having at least one heating unit, wherein the heating unit comprises a multilayered heating foil consisting of electrically conductive plastic foils applied to both sides of a middle layer of carbon particles. The exterior of the heating foil may be covered with an insulating layer. The heating foil of this design is extremely flat, so that size requirements in a coffee or tea machine become less important, and inherently prevents overheating because its resistance increases with temperature.
Melitta Haushaltsprodukte G.m.b.h. & Co. Kommanditgesellschaft
Ridout & Maybee Llp
Ropers Rolf-Peters
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