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.

Date of Patent:
May. 22, 2001

Filed:

Apr. 14, 2000
Applicant:
Inventors:

Daniel L. Serafin, Wexford, PA (US);

Paul B. Schultz, Export, PA (US);

Albert L. Askin, Lower Burrell, PA (US);

Donald J. Stanko, Lower Burrell, PA (US);

Assignee:

Alcoa Inc., Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/500 ; B32B 3/100 ;
U.S. Cl.
CPC ...
B32B 1/500 ; B32B 3/100 ;
Abstract

A bright finish aluminum alloy on high strength aluminum or aluminum alloy lamination is disclosed including a bright finish top sheet, a high strength aluminum or aluminum alloy substrate, and an adhesive bonding the bright finish metal top sheet to the high strength aluminum or aluminum alloy substrate to provide a bright finish aluminum on high strength aluminum or aluminum alloy lamination product having brighter finish than a sheet product of said high strength aluminum or aluminum alloy and higher strength than a sheet product of said bright finish aluminum of the same thickness as said lamination product, wherein said lamination product withstands galvanic corrosion. In one aspect, the bright finish metal top sheet is 5657 aluminum foil. In one aspect, the high strength aluminum alloy is 5182 alloy sheet.


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