Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1988-07-25
1990-02-06
Kellogg, Arthur
Glass manufacturing
Processes
Forming product or preform from molten glass
65 311, 65 33, 65 605, 65 608, 65DIG16, C03B 1516, C03B 37018
Patent
active
048986038
ABSTRACT:
A halide glass core fiber is clad by providing two melts that selectively join to form the molten clad fiber in a temperature range from 580.degree. C. to 600.degree. C. A separate heating means controls the fiber melt at the die nozzle. Because of the low viscosity and the narrow proto congelation temperature zone, the clad fiber is extruded and drawn in the vertical direction counter the effect of gravity.
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Collier Stanton E.
Kellogg Arthur
Singer Donald J.
The United States of America as represented by the Secretary of
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