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:
Jun. 16, 2020
Filed:
Jul. 12, 2016
Applicant:
Kobe Steel, Ltd., Kobe-shi, JP;
Inventors:
Minoru Miyata, Kanagawa, JP;
Reiichi Suzuki, Kanagawa, JP;
Assignee:
Kobe Steel, Ltd., Kobe-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/09 (2006.01); B23K 9/23 (2006.01); B23K 9/16 (2006.01); B23K 9/173 (2006.01); B23K 9/10 (2006.01); B23K 103/04 (2006.01); B23K 101/34 (2006.01);
U.S. Cl.
CPC ...
B23K 9/09 (2013.01); B23K 9/092 (2013.01); B23K 9/1006 (2013.01); B23K 9/16 (2013.01); B23K 9/173 (2013.01); B23K 9/23 (2013.01); B23K 2101/34 (2018.08); B23K 2103/04 (2018.08);
Abstract
A method for welding a galvanized steel sheet includes utilizing a pulse welding of repeatedly applying a pulse peak current and a base current, setting a welding speed to 100 cm/min or less, and using a shielding gas in which 1 vol % or more and 10 vol % or less of at least either one of COand Ois added to Ar. The pulse peak current has a pulse peak time being in a range of 7% or more and less than 50% of one period depending on a sheet thickness of the galvanized steel sheet.