Patent ID: 7353981

Claim:
A method of making a composite metal sheet comprising the steps of: (a) providing a roll pack of ordered layers comprising: 1. a layer of stainless steel mesh; 2. a core layer of plate of Alclad aluminum; 3. a layer of stainless steel foil; 4. a plate of stainless steel; 5. a layer of stainless steel foil; 6. a core layer of Alclad aluminum; and 7. a layer of stainless steel mesh; (b) heating the roll pack of step (a) to a rolling temperature; and (c) rolling the heated roll pack in a rolling mill to provide two roll bonded composite sheets, the first composite sheet comprising layers (a) 1-3, and the second composite sheet comprising layers (a) 5-7 with plate (a) 4 being reusable.