The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7828914 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 09, 2010

Filed:

Mar. 19, 2004
Applicants:

Morten Syslak, Karmsund, NO;

Xiao-jun Jiang, Haugesund, NO;

Inventors:

Morten Syslak, Karmsund, NO;

Xiao-Jun Jiang, Haugesund, NO;

Assignee:

Norsk Hydro ASA, Oslo, NO;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a method and an aluminium alloy sheet material. The method of producing aluminium alloy sheet material comprising the following steps: continuous strip casting of a sheet at a predetermined solidification rate ensuring material microstructure exhibiting primary particles having average size below 1 micrometer, and (cold) rolling of the strip cast sheet to an appropriate gauge with optionally intermediate annealing during the cold rolling. It is an object of the present invention to provide a novel method of production of Al-alloy sheets applicable on heat exchanger sheet based components resulting in improved pitting corrosion applying (base) Al-alloy material with higher Fe-content.


Find Patent Forward Citations

Syslak, Morten. (2010). Method for producing aluminum alloy sheet material and an aluminium alloy sheet (U.S. Patent No. 7828914). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7828914

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