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:
Nov. 12, 2024
Filed:
Sep. 04, 2020
Applicants:
Hitachi Zosen Corporation, Osaka, JP;
Tokusen Kogyo Co., Ltd., Hyogo, JP;
Inventors:
Norifumi Fujimoto, Osaka, JP;
Hiroyuki Ohue, Hyogo, JP;
Eiji Ohta, Hyogo, JP;
Tomohiro Yamakawa, Hyogo, JP;
Assignees:
HITACHI ZOSEN CORPORATION, Osaka, JP;
TOKUSEN KOGYO CO., LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/16 (2017.01); D02G 3/26 (2006.01);
U.S. Cl.
CPC ...
C01B 32/16 (2017.08); D02G 3/26 (2013.01);
Abstract
A plurality of CNTs are drawn out of VACNTs so as to be continuous in lines and are bundled into a thread shape, and a temporary thread bundled into a thread shape is temporarily wound on the first winder. The first winder is then rotated about an axis along a feeding direction of the temporary thread to twist the temporary thread while the temporary thread is fed from the first winder.