Patent ID: 9657375
Date: 2017-05-23
CPC Classifications: A47G,C22B,C22C,C22F

Claim:
1. A method, comprising: casting a molten feedstock from used beverage containers, the used beverage containers having a body and an end, the end comprising a connector to a tab for opening the container, wherein the body and end each comprise an aluminum alloy, the aluminum alloys of the body and end each comprise manganese and magnesium, wherein (i) the aluminum alloy of the body comprises from about 1 to about 2 wt. % magnesium, (ii) the aluminum alloy of the end comprises from about 4 to about 5.5 wt. % magnesium, and (iii) an absolute value of a difference between the manganese contents of the aluminum alloys is less than 0.3 wt. %; forming the molten feedstock into a cast sheet of at least one of the aluminum alloy of the body and the aluminum alloy of the end.