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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.:

US 9914185 B1

PDFFull Text
Date of Patent:
Mar. 13, 2018

Filed:

May. 02, 2013

Aluminum alloy brazing sheet

Applicant:

Uacj Corporation, Chiyoda-ku, Tokyo, JP;

Inventors:

Yasunaga Itoh, Tokyo, JP;

Tomoki Yamayoshi, Tokyo, JP;

Assignee:

UACJ CORPORATION, Chiyoda-ku, Tokyo, JP;

Attorney:

Flynn, Thiel, Boutell & Tanis, P.C.

Primary Examiner:

Daniel J Schleis

Int. Cl.
CPC ...
B32B 15/01 (2006.01); B23K 35/02 (2006.01); C22C 21/00 (2006.01); B23K 35/28 (2006.01); F28F 21/08 (2006.01); C22C 21/02 (2006.01); C22C 21/04 (2006.01); B23K 1/00 (2006.01); B23K 1/008 (2006.01); B23K 1/012 (2006.01); C22C 21/06 (2006.01); C22C 21/10 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B23K 35/0238 (2013.01); B23K 1/008 (2013.01); B23K 1/0012 (2013.01); B23K 1/012 (2013.01); B23K 35/0233 (2013.01); B23K 35/286 (2013.01); B23K 35/288 (2013.01); B32B 15/01 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C22C 21/04 (2013.01); C22C 21/06 (2013.01); C22C 21/10 (2013.01); F28F 21/084 (2013.01); F28F 21/089 (2013.01); B23K 2203/10 (2013.01); Y10T 428/12764 (2015.01);
Abstract

An aluminum alloy brazing sheet makes it possible to inexpensively braze aluminum in a nitrogen gas furnace without using flux and a toxic element. The aluminum alloy brazing sheet is used for brazing aluminum in an inert gas atmosphere without using flux, and includes a core material and a filler metal, one side or each side of the core material being clad with the filler metal, the core material being formed of an aluminum alloy that includes 0.2 to 1.3 mass % of Mg, and the filler metal including 6 to 13 mass % of Si and 0.004 to 0.1 mass % of Li, with the balance being aluminum and unavoidable impurities.

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