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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 9744610 B1

PDFFull Text
Date of Patent:
Aug. 29, 2017

Filed:

Jun. 23, 2014

Clad material, method of manufacturing brazed pipe, and brazed pipe

Applicant:

Keihin Thermal Technology Corporation, Oyama-shi, JP;

Inventors:

Takashi Terada, Oyama, JP;

Kazuyuki Takahashi, Oyama, JP;

Youhei Ikawa, Oyama, JP;

Assignee:

KEIHIN THERMAL TECHNOLOGY CORPORATION, Oyama-Shi, JP;

Attorney:

Mori & Ward, LLP

Primary Examiner:

Daniel J Schleis

Int. Cl.
CPC ...
B32B 15/01 (2006.01); B23K 1/00 (2006.01); B23K 1/20 (2006.01); B32B 1/08 (2006.01); F16L 9/02 (2006.01); C22C 21/00 (2006.01); C22C 21/02 (2006.01); F28F 9/02 (2006.01); F28F 21/08 (2006.01); F28D 1/053 (2006.01); F16L 9/17 (2006.01); B23K 35/28 (2006.01); B23K 35/02 (2006.01);
U.S. Cl.
CPC ...
B23K 1/0012 (2013.01); B23K 1/20 (2013.01); B23K 35/0222 (2013.01); B23K 35/0227 (2013.01); B23K 35/0238 (2013.01); B23K 35/286 (2013.01); B32B 1/08 (2013.01); B32B 15/016 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); F16L 9/02 (2013.01); F16L 9/17 (2013.01); F28D 1/05366 (2013.01); F28F 9/02 (2013.01); F28F 21/084 (2013.01); F28F 21/089 (2013.01); Y10T 428/12486 (2015.01);
Abstract

A clad material includes a core material, a first skin material covering one side of the core material, and a second skin material covering the other side of the core material. The clad material is brazed in a state in which the first and second skin materials overlap each other. The core material is made of an Al alloy containing Mn (0.6 to 1.5 mass %), Ti (0.05 to 0.25 mass %), Cu (less than 0.05 mass %), Zn (less than 0.05 mass %), Fe (0.2 mass % or less), and Si (0.45 mass % or less) (balance: Al and unavoidable impurities). The first skin material is made of an Al alloy containing Si (6.8 to 11.0 mass %) and Zn (0.05 mass % or less) (balance: Al and unavoidable impurities). The second skin material is made of an Al alloy containing Si (4.0 to 6.0 mass %) and Cu (0.5 to 1.0 mass %) (balance: Al and unavoidable impurities).

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