Method for producing electrical heating elements from metal plated images

Abstract

Abstract A novel device exhibiting extensive utility for electric heating purposes is comprised in part of a precious metal image being imbedded in the anodized layer produced by electrolytic oxidation of aluminum in which the aluminum sheet is the anode; and plating thereon in only the precious metal image areas, less noble metals. While silver is the preferred precious metal and nickel is the preferred plating material for many applications, other preferred plating materials are combinations of nickel and chromium cobalt and chromium, and cobalt, nickel and chromium. For some devices, the aluminum backing which carries the anodized layer with the electrical circuit placed thereon, may be removed for the purposes of increasing the temperature of performance of the electrical heating element thus prepared. In other devices, both the aluminum metal and the anodized layer may be removed. Through the medium of the combination of the novel materials, processes, designs and other modifications described in this specification, items such as food warmers, simmering temperature devices, food cookers, pot warmers and cookers, room and air warmers and heaters, may be produced. In addition, in one and the same piece, combinations of food warmers, food simmers, and food cookers may be produced simply by choosing a proper design of the heater element produced according to the invention.

Inventors

• 👤 E Wainer
• 👤 S Heights
• 👤 H Quaintance

Bibliographic Details