Method for making can end and tab stock

Details Method for making can end and tab stock Method for making can end and tab stock

C - Chemistry, Metallurgy

22

F

C22F 1/047 (2006.01) C22F 1/04 (2006.01)

Patent

CA 2319102

End or tab stock and a method for its manufacture in which a low alloy content aluminum alloy is continuously cast to form a hot feedstock, the hot feedstock is rapidly quenched rapidly to prevent substantial precipitation of alloying elements, annealed, quenched, and coiled. The can end and tab stock of the invention has strength and formability equal to higher alloy content aluminum alloy.

L'invention concerne un matériau pour extrémités ou pour pattes et un procédé de fabrication correspondant; selon ce procédé, on coule en continu un alliage d'aluminium faiblement allié pour former un matériau de base chaud, ce dernier étant rapidement trempé, et ce afin d'éviter toute précipitation notable d'éléments alliés, puis recuit, trempé et enroulé. Le matériau pour extrémités ou pour pattes de boîtes-boisson a la résistance et la malléabilité égales à celles d'un alliage d'aluminium plus fortement allié.

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