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.:
Date of Patent:
Jun. 04, 2013
Filed:
Mar. 31, 2008
Applicants:
Kensuke Mori, Tokyo, JP;
Kazuo Taguchi, Tokyo, JP;
Inventors:
Kensuke Mori, Tokyo, JP;
Kazuo Taguchi, Tokyo, JP;
Assignee:
Furukawa-Sky Aluminum Corp., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/00 (2006.01); C22C 21/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An extruded material of a free-cutting aluminum alloy excellent in embrittlement resistance at a high temperature, containing from 3 to 6% by mass of Cu and from 0.9 to 3% by mass of Bi with the balance being Aluminum and inevitable impurities, wherein a temperature for reducing the Charpy impact test value to half of the value at room temperature is 180° C. or more.