HIGH SPEED BLOW FORMING PROCESS TO SHAPE ALUMINUM CONTAINERS USING 3XXX ALLOYS WITH HIGH RECYCLE CONTENT

HIGH SPEED BLOW FORMING PROCESS TO SHAPE ALUMINUM CONTAINERS USING 3XXX ALLOYS WITH HIGH RECYCLE CONTENT

Provided herein is a high-speed blow forming process for shaping aluminum containers using 3xxx can body stock alloys with high recycled content, as well as articles made by that process. A process for shaping aluminum containers as described herein includes the sequential steps of blanking out a di...

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Bibliographische Detailangaben
Hauptverfasser: GO, Johnson, MALLORY, Robert, William, CUTTER, Christopher, LEHMAN, Robert
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:Provided herein is a high-speed blow forming process for shaping aluminum containers using 3xxx can body stock alloys with high recycled content, as well as articles made by that process. A process for shaping aluminum containers as described herein includes the sequential steps of blanking out a disk from a sheet of a 3xxx series aluminum alloy; forming a bottle preform by drawing redrawing, ironing and doming the disk, placing the preform into a mold cavity, applying an axial load to the preform; and injecting an inert gas into the interior of the preform with sufficient pressure until the preform expands to fill the mold cavity.