HARDENING OF COATED GLASS FIBER

PROBLEM TO BE SOLVED: To greatly increase the speed of the production line of coated optical fiber. SOLUTION: The speed of production line of coated optical fiber can be greatly increased by adopting the divided lamp system for curing the coated optical fiber 21. The glass fiber is coated with a pro...

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Bibliographische Detailangaben
Hauptverfasser:	MOORE ROBERT CLARK, TAYLOR CARL RAYMOND, TURNIPSEED JOHN MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To greatly increase the speed of the production line of coated optical fiber. SOLUTION: The speed of production line of coated optical fiber can be greatly increased by adopting the divided lamp system for curing the coated optical fiber 21. The glass fiber is coated with a protecting coat layer, partially cured by exposure to the first electromagnetic radiation line source, then the partially cured layer is cooled and the coated layer is exposed to the second electromagnetic radiation line source. The curing station 30 is divided into plural steps and the cooling steps 35 are provided between individual curing stations. Thus, the partially cured optical fiber is cooled and the line-drawing speed of the optical fiber can be increased thereby largely increase the line speed of the coated optical fiber production as a result.