Cookware and method of making the same

Metal fusion bonding – Process – Plural heat applying

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Details

228206, 228239, 2281732, B23K 2002

Patent

active

045110778

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.

REFERENCES:
patent: 2171040 (1939-08-01), Merritt et al.
patent: 3173202 (1965-03-01), Farber
patent: 3210840 (1965-10-01), Ulam
patent: 3295197 (1967-01-01), Bunn et al.
patent: 3340597 (1967-09-01), Stein et al.
patent: 3350772 (1967-11-01), Ulam et al.
patent: 3481023 (1969-12-01), Jost et al.

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