Optical fiber fabrication process

Details Optical fiber fabrication process Optical fiber fabrication process

1981-08-28

1985-07-02

Smith, William

Glass manufacturing

Processes

Forming product or preform from molten glass

65 32, 427163, 427231, 427237, C03B 3707

Patent

active

045265992

ABSTRACT:
A method of forming optical fibers with minimal contamination from ambient air is disclosed. In the inventive method a gas stream is introduced into a rotating structure by means of a rotating seal. The rotating seal comprises a rotating member seated within a stationary member. Counterflowing gases are flowed through the clearance region between the rotating and stationary members to prevent seepage of ambient air into the gas stream.

REFERENCES:
patent: Re28028 (1974-06-01), Maurer
patent: 4140505 (1979-02-01), Ramsay et al.
patent: 4203743 (1980-05-01), Suganuma et al.
patent: 4217027 (1980-08-01), MacChesney et al.
patent: 4317667 (1982-03-01), Spainhour
patent: 4347069 (1982-08-01), Haney et al.
patent: 4389231 (1983-06-01), Partus

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