Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1981-08-17
1983-05-31
Fisher, Richard V.
Glass manufacturing
Processes
Forming product or preform from molten glass
65126, 65145, C03B 37075
Patent
active
043859160
ABSTRACT:
An optical fiber having a circular outer cross-section and having a core which has a noncircular cross-section is produced by using a double crucible. The outer crucible is provided with a ring-shaped channel of which at least one of the boundary walls has a noncircular cross-section. The glass of the outer crucible is passed through this channel before it is contacted with the glass of the inner crucible.
REFERENCES:
patent: 4106847 (1978-08-01), Arnaud
patent: 4307938 (1981-12-01), Dyott
Jochem Cornelis M. G.
Severin Petrus J. W.
Fisher Richard V.
Schechter Marc D.
U.S. Philips Corporation
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