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. 14, 2021
Filed:
Mar. 15, 2018
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
FUJIKURA LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/449 (2013.01); B29D 11/00663 (2013.01);
Abstract
An optical fiber cable manufacturing method using a manufacturing apparatus including an SZ twisting device, an extrusion molding device, and a pressing portion disposed between the SZ twisting device and the extrusion molding device is provided. The method including: twisting optical fibers or optical fiber units in an SZ manner using the SZ twisting device to form an optical fiber bundle; and covering the optical fiber bundle with a sheath using the extrusion molding device while pressing the optical fiber bundle using the pressing portion.