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:
Feb. 18, 2020
Filed:
Dec. 03, 2015
Fujikura Ltd., Koto-ku, Tokyo, JP;
Kenji Okada, Sakura, JP;
FUJIKURA LTD., Koto-ku, Tokyo, JP;
Abstract
A bare optical fiber coating device includes: a nipple having a nipple hole through which a bare optical fiber is inserted vertically from above; an intermediate die that has an intermediate die hole through which the bare optical fiber passing through the nipple hole is inserted and that is disposed vertically below the nipple; a first coating die that has a first coating die hole through which the bare optical fiber passing through the intermediate die hole is inserted and that is provided vertically below the intermediate die; and a first resin circulation chamber that is formed by the nipple and the intermediate die, is formed between the nipple hole and the intermediate die hole in an annular shape surrounding the bare optical fiber passing through the nipple hole, and is configured to circulate liquid resin.