Aluminum alloy strip with improved surface appearance

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11260439
APP PUB NO 20140341678A1
SERIAL NO

14448244

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Abstract

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The invention relates to an aluminum alloy strip with improved surface optics, which is fabricated via hot and/or cold rolling, and consists of a type AA 3xxx, AA 5xxx, AA 6xxx or AA 8xxx aluminum alloy. The object of proposing an aluminum alloy strip that is suitable for attractive and precious surface optics despite the elevated percentage of alloy constituents is achieved in that, after degreasing, the finish-rolled aluminum alloy strip exhibits an increase in the luminance value L*(ΔL) in relation to the rolled-greasy state of more than 5 while measuring the color of the surface in the CIE L*a*b* color space using a standard illuminant D65 and a normal observation angle of 10°, excluding direct reflection in 45°/0° geometry.

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Patent Owner(s)

Patent OwnerAddress
HYDRO ALUMINIUM ROLLED PRODUCTS GMBH41515 GREVENBROICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bögershausen, Dieter Grevenbroich, DE 2 1
Blecher, Axel Niederkassel, DE 3 8
Eckhard, Kathrin Bonn, DE 15 34
Güßgen, Olaf Langenfeld, DE 9 31
Kernig, Bernhard Cologne, DE 22 37
Schwarz, Jochen Wassenberg, DE 12 74

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