High-temperature heating systems and a process for their product

Details High-temperature heating systems and a process for their product High-temperature heating systems and a process for their product

1989-04-03

1990-11-13

Envall, Jr., Roy N.

Electric heating

Heating devices

With heating unit structure

219457, H05B 328

Patent

active

049703757

ABSTRACT:
A high-temperature heating element useful as the heating means in baking ovens, washing machines, water heaters, toasters and dishwashers comprises an enamelled metal substrate and an overlying multilayer system consisting of an inner layer of an insulating glass, metallic conductor lines and an outer layer of a surface glass, wherein said multi-layer system is joined to the enamelled metal substrate by an intermediate layer.

REFERENCES:
patent: 3694627 (1972-09-01), Blatchford
patent: 4713530 (1987-12-01), Schittenlelm

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