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:
Dec. 20, 2022
Filed:
Mar. 08, 2019
Toray Industries, Inc., Tokyo, JP;
Joji Funakoshi, Otsu, JP;
Taku Yamamoto, Otsu, JP;
Tomoki Tamura, Otsu, JP;
Yasunori Kanemori, Otsu, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
A spinneret includes: a plate including a plurality of nozzle holes formed therein. In the plates, the plurality of nozzle holes are formed in a substantially rectangular area on a principal surface, the rectangular area includes a non-forming zone that intersects with nozzle hole rows, the non-forming zone continuously extending from one long side of the rectangle to the other long side, and the non-forming zone including no nozzle holes, in nozzle hole rows with which the non-forming zone intersects out of the nozzle hole rows, in each of the nozzle hole rows, the nozzle hole is not formed on a part where the non-forming zone intersects with a position of the regular interval at which the nozzle holes are aligned, and the nozzle hole corresponding to number of the unformed nozzle holes is additionally formed in a short side direction of the nozzle hole row.