Patent ID: 11903512
Assignee: ALL-CLAD METALCRAFTERS, L.L.C.
Field: Surface technology, coating (Chemistry)
Classification: CPC A  B  C  H | IPC A  B  H

Claim 0:
1. A method of making multi-layer, bonded cookware, the method comprising:
providing at least one stainless steel layer and at least one copper layer in a stacked blank assembly; and
applying heat and pressure to the stacked blank assembly for a predetermined period of time such that at least one stainless steel layer is metallurgically bonded to the at least one copper layer via solid state bonding to form a bonded blank assembly,
wherein the at least one stainless steel layer is a ferritic stainless steel layer, and
wherein the at least one copper layer is a copper alloy having controlled grain growth properties.