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:
Mar. 26, 2024
Filed:
Dec. 04, 2019
Applicant:
Aisin Fukui Corporation, Echizen, JP;
Inventors:
Kouji Takemoto, Echizen, JP;
Kazuyoshi Miyamoto, Echizen, JP;
Tomoaki Yoshida, Echizen, JP;
Daichi Sumimori, Kani, JP;
Hiroshi Hasegawa, Kani, JP;
Assignee:
AISIN FUKUI CORPORATION, Fukui, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/142 (2014.01); B23K 26/12 (2014.01); B23K 26/14 (2014.01); B23K 26/064 (2014.01); B23K 26/21 (2014.01);
U.S. Cl.
CPC ...
B23K 26/142 (2015.10); B23K 26/123 (2013.01); B23K 26/127 (2013.01); B23K 26/147 (2013.01); B23K 26/064 (2015.10); B23K 26/21 (2015.10);
Abstract
The laser welding device includes a laser transmission window and a gas injection nozzle. The gas injection nozzle includes an optical path hole and an injection unit that injects an inert gas for shielding metal vapor into the optical path hole toward an irradiation direction side and an optical axis side of a laser beam.