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:
Aug. 04, 2020
Filed:
May. 01, 2015
Applicant:
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Inventors:
Seiji Furusako, Tokyo, JP;
Yasunobu Miyazaki, Tokyo, JP;
Hitomi Nishibata, Tokyo, JP;
Yasuo Takahashi, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 11/24 (2006.01); B23K 11/16 (2006.01); B23K 11/11 (2006.01); B23K 101/00 (2006.01); B23K 101/18 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
B23K 11/24 (2013.01); B23K 11/11 (2013.01); B23K 11/115 (2013.01); B23K 11/16 (2013.01); B23K 2101/006 (2018.08); B23K 2101/18 (2018.08); B23K 2103/04 (2018.08);
Abstract
The spot welding method of the present invention has steps of preliminary conduction, first conduction, second conduction, and third conduction: