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. 19, 2022
Filed:
Feb. 06, 2018
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Itaru Ishida, Suzuka, JP;
Assignee:
FUJIKURA LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 37/025 (2006.01); C03C 25/106 (2018.01); C03C 25/12 (2006.01);
U.S. Cl.
CPC ...
C03B 37/0253 (2013.01); C03C 25/106 (2013.01); C03C 25/12 (2013.01);
Abstract
An optical fiber manufacturing method includes: drawing an optical fiber preform to form a bare optical fiber; cooling the bare optical fiber by a non-contact direction changer; adjusting a temperature of the bare optical fiber in a temperature adjusting unit disposed downstream of the non-contact direction changer and upstream of a coating unit; disposing, in the coating unit, an uncured coating layer that comprises a resin precursor on an outer periphery of the bare optical fiber; and curing the uncured coating layer in a curing unit.