Cookware bottom wall structure
AssigneeKidde Consumer Durables Corp.
InventorAl S. Rummelsburg
Life of this patent
Estimating the term…
Abstract
The outer surface of a stainless steel utensil and one surface of an aluminum disk are cleaned and then separately heated at different temperatures. Thereafter, the disk is superimposed over the utensil and metallurgically bonded directly thereto by the application of pressure.
Claims7
Cookware comprising a stainless steel utensil having a bottom wall connected to an upstanding side wall by a curved portion, an aluminum disk metallurgically bonded directly to the bottom wall and the curved portion with a serrated key type interface, a central portion of said disk being thicker than the thickness of said utensil walls, said disk being thinner at its periphery, the thinned periphery of said disk overlying and terminating where the side wall joins said curved portion.
Dependencies are inferred from the claim text.