Method and apparatus for coating optical fibers

Details Method and apparatus for coating optical fibers Method and apparatus for coating optical fibers

1984-10-04

1985-07-30

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 312, 65 111, 65 13, 118 68, 118125, 118234, C03B 2502

Patent

active

045319596

ABSTRACT:
Optical fibers are coated under pressure to reduce the amount of bubbles entrapped in the coating and provide good coating concentricities. The fiber is drawn axially thru a thin-walled, cylindrical flow distribution sleeve which is located between a guide die and a sizing die. The sleeve contains a plurality of evenly distributed holes the number and size of which is such that radial flow of liquid toward the fiber is maintained over the entire length of the sleeve which is less than 1.27 cm.

REFERENCES:
patent: 4076510 (1978-02-01), Mracek et al.
patent: 4249925 (1981-02-01), Kawashima
patent: 4427717 (1984-01-01), Gauthier
patent: 4455159 (1984-06-01), Lamb et al.

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