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:
Aug. 18, 2009

Filed:

Aug. 29, 2006
Applicants:

Hidetoshi Uchida, Tokyo, JP;

Yasunori Nagai, Tokyo, JP;

Takamichi Watanabe, Tokyo, JP;

Hitoshi Kazama, Wako, JP;

Osamu Yokoyama, Haga-machi, JP;

Kazuya Saito, Haga-machi, JP;

Inventors:

Hidetoshi Uchida, Tokyo, JP;

Yasunori Nagai, Tokyo, JP;

Takamichi Watanabe, Tokyo, JP;

Hitoshi Kazama, Wako, JP;

Osamu Yokoyama, Haga-machi, JP;

Kazuya Saito, Haga-machi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hydrous oxide film is formed on the surface of a superplastic forming aluminum alloy sheet. The superplastic forming aluminum alloy sheet can be formed without applying a lubricant to a die, exhibits excellent releasability, and prevents scratches due to sliding between the die and the sheet.


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