Method and apparatus for making, coating and cooling lightguide

Details Method and apparatus for making, coating and cooling lightguide Method and apparatus for making, coating and cooling lightguide

1985-05-28

1986-06-10

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 111, 65 12, 118405, 427163, C03C 2502, C03B 37025

Patent

active

045940886

ABSTRACT:
An apparatus (30) for cooling a lightguide fiber (21) drawn from a molten portion of a glass preform (22) located in a furnace (23). The apparatus (30) has an upper chamber (34) and a lower chamber (36) each having a small opening in the lower portions thereof. The upper chamber (34) has a heat transfer liquid (35) therein and the lower chamber (36) is pressurized to prevent liquid from passing through the opening. The hot fiber (21) is cooled by the liquid as it is drawn through liquid (35) without physical contact with the periphery of the openings.

REFERENCES:
patent: 3933454 (1976-01-01), DeLuca
patent: 3977854 (1976-08-01), Fulmer et al.
patent: 4154592 (1979-05-01), Bailey
patent: 4208200 (1980-06-01), Claypoole et al.
patent: 4388093 (1983-06-01), Kimura et al.
patent: 4396409 (1983-08-01), Bailey et al.
patent: 4409263 (1983-10-01), Aloisio, Jr. et al.
patent: 4437870 (1984-03-01), Miller
patent: 4504300 (1985-03-01), Gauthier et al.

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