Aluminum sheet with enhanced formability and an aluminum container made from aluminum sheet

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United States of America Patent

PATENT NO 11433441
APP PUB NO 20180056347A1
SERIAL NO

15691046

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In some embodiments of the present invention a method includes: obtaining a first aluminum alloy sheet formed from rolling a first ingot of a 3xxx or a 5xxx series aluminum alloy, wherein, prior to rolling, the first ingot has been heated to a sufficient temperature for a sufficient time to achieve a first dispersoid f/r of less than 7.65; and forming a container precursor from the first aluminum alloy sheet, wherein when the first aluminum alloy sheet is formed into the container precursor, the container precursor has less observed surface striations and ridges as compared to a container precursor formed from a second aluminum alloy sheet rolled from a second ingot having a second dispersoid f/r value of 7.65 or greater.

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Patent Owner(s)

Patent OwnerAddress
ALCOA WARRICK LLC4000 WEST STATE ROUTE 66 NEWBURGH IN 47630

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Capps, Jean F Pittsburgh, US 4 5
Combs, Samuel Pittsburgh, US 3 2
McNeish, David J Pittsburgh, US 8 129
Rouns, Thomas N Pittsburgh, US 11 49
Walters, Christopher L Pittsburgh, US 4 39

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