A method for making beverage can sheet

Details A method for making beverage can sheet A method for making beverage can sheet

C - Chemistry, Metallurgy

22

F

C22F 1/04 (2006.01) B21B 1/46 (2006.01) B22D 11/06 (2006.01) C22F 1/047 (2006.01)

Patent

CA 2232436

An improved method for making beverage containers from aluminum alloys as well as can end and tabs therefore in which an aluminum alloy is strip cast and then subjected to one or more of a series of quenching and annealing operations. The present application also contemplates the manufacture of aluminum alloy can stock utilizing hot rolling immediately after strip casting to reduce the thickness of the feedstock, either with or without intermediate coiling of the feedstock.

L'invention concerne un procédé amélioré de fabrication de boîtes-boisson en alliages d'aluminium, y compris les extrémités et les languettes, ledit procédé consistant à soumettre les alliages en question aux opérations suivantes: coulage de bandes puis une ou plusieurs séries d'étapes de refroidissement et de recuit. On décrit par ailleurs la production de charge d'alimentation pour boîtes-boisson en alliages d'aluminium par une opération de laminage à chaud qui suit immédiatement le coulage de bandes afin de réduire l'épaisseur de cette charge, qu'elle soit soumise ou non à un bobinage intermédiaire.

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