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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 10472698 B1

PDFFull Text
Date of Patent:
Nov. 12, 2019

Filed:

Oct. 02, 2015

Method of production of brazed joint and such a brazed joint

Applicant:

Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;

Inventors:

Tasuku Zeniya, Tokyo, JP;

Hitomi Nishibata, Tokyo, JP;

Masanori Yasuyama, Tokyo, JP;

Assignee:

NIPPON STEEL CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Matthieu F Setliff

Int. Cl.
CPC ...
C21D 9/50 (2006.01); B21D 22/20 (2006.01); B23K 1/19 (2006.01); C21D 9/00 (2006.01); C21D 1/18 (2006.01); C22C 9/02 (2006.01); B21D 22/02 (2006.01); F16B 5/08 (2006.01); B23K 103/04 (2006.01); B23K 103/16 (2006.01); B23K 35/28 (2006.01); B23K 35/30 (2006.01);
U.S. Cl.
CPC ...
C21D 9/505 (2013.01); B21D 22/022 (2013.01); B21D 22/20 (2013.01); B23K 1/19 (2013.01); C21D 1/18 (2013.01); C21D 9/00 (2013.01); C21D 9/50 (2013.01); C22C 9/02 (2013.01); F16B 5/08 (2013.01); B23K 35/28 (2013.01); B23K 35/30 (2013.01); B23K 2103/04 (2018.08); B23K 2103/166 (2018.08);
Abstract

A brazed joint having excellent tensile strength (TSS and CTS) and a method of production of the same are provided. A sheet combinationcomprised of steel sheetsbetween which a brazing filler metalis clamped is heated at a temperature of the Ac3 point of the steel sheet (matrix material) or more. The Ar3 point of the regions near the brazing filler metal at the steel sheets is made higher than the Ar3 point of the steel sheets (matrix material), then the quenching start temperature X is made a temperature of the Ar3 point of the steel sheet (matrix material) or less and hot stamping is performed to produce a brazed joint.

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Zeniya, Tasuku. (2019). Method of production of brazed joint and such a brazed joint (U.S. Patent No. 10472698). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10472698

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