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:
Nov. 04, 2025
Filed:
Jun. 11, 2019
Applicant:
Mayekawa Mfg. Co., Ltd., Tokyo, JP;
Inventors:
Keisuke Yamada, Tokyo, JP;
Tetsuji Terada, Tokyo, JP;
Daisuke Miyazaki, Tokyo, JP;
Hideki Shudai, Tokyo, JP;
Assignee:
MAYEKAWA MFG. CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/00 (2006.01); B23K 9/167 (2006.01); B23K 101/14 (2006.01);
U.S. Cl.
CPC ...
B23K 9/0026 (2013.01); B23K 9/167 (2013.01); B23K 2101/14 (2018.08);
Abstract
A welding device for a non-circular plate according to an embodiment includes a chuck for gripping and rotatably supporting a plurality of laminated non-circular plates, a welding torch for welding outer peripheral edge portions of the plurality of laminated non-circular plates, a stationary shield box, and a movable shield box which is position-adjustable with respect to the welding torch so as to form a shield space surrounding the welding torch with the stationary shield box.