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. 10, 2025
Filed:
Sep. 22, 2022
Applicant:
Kobe Steel, Ltd., Kobe, JP;
Inventors:
Yuki Fujita, Yamaguchi, JP;
Taiki Yamakawa, Yamaguchi, JP;
Takumi Nakahara, Yamaguchi, JP;
Narikazu Hashimoto, Yamaguchi, JP;
Yoshihaya Imamura, Tokyo, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/88 (2006.01); B23K 11/00 (2006.01); B23K 37/003 (2025.01);
U.S. Cl.
CPC ...
B21D 53/88 (2013.01); B23K 11/0046 (2013.01); B23K 37/003 (2013.01);
Abstract
A method for producing a frame structure contains a hollow member having a curved and long shape, and a plurality of connecting members welded to the hollow member along a longitudinal direction of the hollow member. Each of the connecting members is welded to the hollow member, and a cooling medium is introduced into the inside of the hollow member through an end of the hollow member after the welding. The welding and the introducing are conducted repeatedly in the number of the connecting members.