Method of manufacturing an optical fiber having a protective coa

Details Method of manufacturing an optical fiber having a protective coa Method of manufacturing an optical fiber having a protective coa

1988-12-08

1990-04-03

Kratz, Peter

Glass manufacturing

Processes

Forming product or preform from molten glass

65 12, 65 13, C03B 37023

Patent

active

049137158

ABSTRACT:
A method of and a device for manufacturing an optical fiber with a protective coating. A cooling device cools the fiber after drawing from a preform. The cooling device comprises a forced-cooled double-walled tube. In the space enclosed by the inner tube through which the fiber to be cooled is passed, a gas is present which has good heat-transporting properties. The gas may be, for example, helium. Cooling of the fiber takes place by heat dissipation via the helium to the forced-cooled tube wall.

REFERENCES:
patent: 3540870 (1970-11-01), Li
patent: 4208200 (1980-06-01), Claypoole
patent: 4437870 (1984-03-01), Miller
patent: 4514205 (1985-04-01), Dareangelo

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