Method and apparatus for forming hollow fibers

Details Method and apparatus for forming hollow fibers Method and apparatus for forming hollow fibers

1989-06-19

1990-07-17

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 86, 425DIG217, C03B 37075

Patent

active

049419048

ABSTRACT:
The instant invention relates to a method and apparatus for the production of hollow glass fibers using a novel tip design. It is believed that the success of the instant invention is due to the injection of pressurized gas to create a central lumen at distances farther removed from the terminus of the tip than taught possible by the prior art. This results in a more stable process and the production of hollow fibers having more uniform wall concentricity.

REFERENCES:
patent: 1653848 (1927-12-01), Grotta
patent: 1975737 (1934-10-01), Sanchez-Vello
patent: 3190739 (1965-06-01), Wilson
patent: 3930830 (1976-01-01), Yoshikawa et al.
patent: 4846864 (1989-07-01), Huey

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