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:
Jul. 21, 2026
Filed:
Aug. 06, 2021
Applicant:
Nhk Spring Co., Ltd., Yokohama, JP;
Inventors:
Takuya Sato, Yokohama, JP;
Yuichiro Yamauchi, Yokohama, JP;
Takeshi Furuse, Yokohama, JP;
Ryo Tanaka, Yokohama, JP;
Assignee:
NHK SPRING CO., LTD., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/354 (2014.01); B21F 3/04 (2006.01); B21F 11/00 (2006.01); B23K 26/00 (2014.01); B23K 26/08 (2014.01);
U.S. Cl.
CPC ...
B23K 26/354 (2015.10); B21F 3/04 (2013.01); B21F 11/005 (2013.01); B23K 26/0093 (2013.01); B23K 26/083 (2013.01);
Abstract
A coiling machine includes a laser heating machine configured to irradiate a wire formed into a helical shape with laser light to thereby heat a part of the wire, and cutting components configured to cut a portion of the wire after the irradiation of the laser light is stopped, a temperature of the portion being higher than before irradiated with the laser light.