Invention Grant
- Patent Title: Method of applying coating liquid to an optical fiber
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Application No.: US15950243Application Date: 2018-04-11
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Publication No.: US10888894B2Publication Date: 2021-01-12
- Inventor: Robert Clark Moore , Douglas Gregg Neilson , Johnnie Edward Watson
- Applicant: Corning Incorporated
- Applicant Address: US NY Corning
- Assignee: Corning Incorporated
- Current Assignee: Corning Incorporated
- Current Assignee Address: US NY Corning
- Agent Kevin L. Bray
- Priority: NL2019098 20170620
- Main IPC: B05D1/18
- IPC: B05D1/18 ; B05D3/06 ; G02B6/02 ; B05C11/10 ; B05C3/12 ; C03C25/106 ; C03C25/1065 ; C03C25/18 ; C03C25/12 ; B05C3/172 ; B05C3/00 ; B05D7/20

Abstract:
A method of applying a coating liquid to an optical fiber is described. An optical fiber is drawn through a guide die into a pressurized coating chamber and through the pressurized coating chamber to a sizing die. The pressurized coating chamber contains a coating liquid. The method includes directing coating liquid in a direction transverse to the processing pathway of the optical fiber in the pressurized coating chamber. The transverse flow of coating liquid counteracts detrimental effects associated with gyres that form in the pressurized coating chamber during the draw process. Benefits of the transverse flow include removal of bubbles, reduction in the temperature of the gyre, improved wetting, homogenization of the properties of the coating liquid in the pressurized coating chamber, and stabilization of the meniscus.
Public/Granted literature
- US20180304304A1 METHOD OF APPLYING COATING LIQUID TO AN OPTICAL FIBER Public/Granted day:2018-10-25
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