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. 14, 2025
Filed:
Dec. 13, 2018
Applicant:
Posco, Pohang-si, KR;
Inventor:
Jai-Hyun Kwak, Gwangyang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 11/11 (2006.01); B23K 11/16 (2006.01); B23K 11/34 (2006.01); B23K 103/04 (2006.01); C23C 2/06 (2006.01);
U.S. Cl.
CPC ...
B23K 11/11 (2013.01); B23K 11/16 (2013.01); B23K 11/34 (2013.01); C23C 2/06 (2013.01); B23K 2103/04 (2018.08);
Abstract
One aspect of the present invention provides a method for preventing spot welding crack of a galvanized steel plate, which can reduce crack occurring due molten zinc having a low melting point when a galvanized advanced high strength steel (AHSS) plate is spot-welded, and can thus improve welding strength and fatigue life.