Method of flame abrasion of glass preform

Details Method of flame abrasion of glass preform Method of flame abrasion of glass preform

1992-07-24

1994-08-16

Lindsay, Robert L.

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

65 2, 65 111, 65 61, 65109, 65416, 65429, C03B 37025

Patent

active

053383273

ABSTRACT:
A glass preform for an optical fiber is flame abrased with an oxyhydrogen flame while vertically suspending and rotating the glass preform and relatively moving one or both of the glass preform and the oxyhydrogen flame, whereby a surface of the glass preform is smoothened.

REFERENCES:
patent: 4231777 (1980-11-01), Lynch et al.
patent: 4645451 (1987-02-01), Schneider et al.
patent: 4863501 (1989-09-01), Mansfield
patent: 4941905 (1990-07-01), Narasimham
patent: 5116400 (1992-05-01), Abbott et al.
patent: 5211730 (1993-05-01), Kanamori et al.

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