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:
Jul. 24, 2012
Filed:
May. 20, 2009
Takeshi Ohwaki, Kobe, JP;
Wataru Urushihara, Kobe, JP;
Junichiro Kinugasa, Kobe, JP;
Koji Noishiki, Takasago, JP;
Takeshi Ohwaki, Kobe, JP;
Wataru Urushihara, Kobe, JP;
Junichiro Kinugasa, Kobe, JP;
Koji Noishiki, Takasago, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
Disclosed are an aluminum alloy material and a plate heat exchanger using the aluminum alloy material, both of which have superior corrosion resistance. Specifically, the aluminum alloy material includes an aluminum alloy base material having an anodic oxide layer with an average thickness of 1 to 20 μm as its surface layer, an organic phosphonic acid primer coating arranged on the surface of the aluminum alloy base material, and a fluorocarbon resin coating arranged on the surface of the organic phosphonic acid primer coating and having an average thickness of 1 to 100 μm after drying.