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:
Apr. 07, 2026
Filed:
Dec. 28, 2021
Ykk Corporation, Tokyo, JP;
Toshiaki Sawada, Toyama, JP;
Takayoshi Tanaka, Toyama, JP;
Hitomi Nishida, Toyama, JP;
Harumi Takagishi, Toyama, JP;
Takafumi Oba, Toyama, JP;
Takuma Kawato, Toyama, JP;
Norihiro Takagi, Toyama, JP;
YKK Corporation, Tokyo, JP;
Abstract
A sewing device includes: a fly base on which a fly is to be placed; a fastener base on which a fastener is to be placed; a first conveying device configured to convey the fly on the fly base; a first sewing machine configured to perform edge overcasting on the fly during conveyance by the first conveying device; a supplying and conveying device configured to supply the fastener from the fastener base onto the fly, on which the edge overcasting is finished, in an overlapped manner, and configured to convey the fly and the fastener together; and a second sewing machine configured to sew the fly and the fastener during conveyance aby the supplying and conveying device.