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. 08, 2025
Filed:
Jul. 20, 2021
Ykk Corporation, Tokyo, JP;
Koki Shinomiya, Kurobe, JP;
Jun Kiyohara, Kurobe, JP;
Masamichi Yamagata, Kurobe, JP;
Makoto Yamakoshi, Kurobe, JP;
Masashi Oshita, Kurobe, JP;
Atsushi Ogihara, Kurobe, JP;
Hirofumi Tanikoshi, Kurobe, JP;
YKK Corporation, Tokyo, JP;
Abstract
Provided is a stopper for a slide fastener and a method for manufacturing a stopper for a slide fastener, which can reduce mutual adhesion and defective rates during the painting process. A coated metal stopper for a slide fastener is provided. The stopper includes a head and a pair of legs extending from the head in a bifurcated manner. Each of the legs has a recess in the center on its inner surface. The ratio of the depth of the recess to the thickness of each leg of the stopper is 3.8% or more and 18.9% or less. Further, the ratio of the length of the recess in a longitudinal direction of the stopper to the length of the stopper in the longitudinal direction can be 13.5% or more and 23.5% or less.