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:
Jan. 27, 2026
Filed:
Jul. 27, 2022
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01); H01F 1/147 (2006.01); B23K 101/36 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
B23K 20/129 (2013.01); B23K 20/122 (2013.01); H01F 1/147 (2013.01); B23K 2101/36 (2018.08); B23K 2103/04 (2018.08);
Abstract
An electrical steel strip welded joint is provided that is able to inhibit the occurrence of coil joint fracture on a production line caused by deterioration of mechanical properties and shape of the coil joint. The steel microstructures of the joined portion and the thermo-mechanically affected zone are mainly ferrite phase, and satisfy the relationships of the following Expressions (1) to (4).