METHOD OF PREVENTING ATTACHMENT OF SCALE TO STAINLESS STEEL HEATING SURFACE

摘要

FIELD: household engineering.;SUBSTANCE: attachment of scale to stainless steel heating surface, which is in contact with water heated in the water container of electric tea kettle or electric coffee maker, is prevented by polishing heating surface optionally followed by applying gold layer 0.1 to 5 mcm thick or by performing oxidation in air in a chamber heated to about 300^оС. Heating bottom of electric tea kettle is formed by stainless steel bowl and treated by above-described method.;EFFECT: prolonged service time.;7 cl, 2 dwg