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:
Dec. 14, 2010
Filed:
Aug. 20, 2007
Kyoji Inukai, Kariya, JP;
Tomohiro Ito, Kariya, JP;
Akira Kawahara, Tokyo, JP;
Akio Niikura, Tokyo, JP;
Kyoji Inukai, Kariya, JP;
Tomohiro Ito, Kariya, JP;
Akira Kawahara, Tokyo, JP;
Akio Niikura, Tokyo, JP;
Denso Corporation, Kariya-shi, JP;
Furukawa-Sky Aluminum Corp., Tokyo, JP;
Abstract
An aluminum alloy fin material for brazing, characterized by comprising an aluminum alloy comprising more than 1.4% by mass but not more than 1.8% by mass of Fe, 0.8% by mass or more but 1.0% by mass or less of Si, and more than 0.6% by mass but not more than 0.9% by mass of Mn, with the balance being Al and inevitable impurities, wherein 80% or more of the surface area, as viewed from the surface layer of the fin plane, is occupied by recrystallized grains with a length of 10 mm or more, in a direction rolled.