Modular molten glass column

Details Modular molten glass column Modular molten glass column

1980-10-02

1982-08-17

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 12, 65346, C03B 37025

Patent

active

043447856

ABSTRACT:
A modular molten glass column comprised of a plurality of modular glass conduits for providing glass to, for example, a high pressure glass fiber forming bushing is disclosed. The column consists of several glass modules, each of which includes a glass conduit, a heating source for the conduit, insulation for the conduit, an outer protective cover, and connectors for joining the conduit module to other similar conduit modules, a glass melting forehearth, and a glass fiber forming bushing adapted to receive glass at elevated pressures and to form filaments therefrom. The modular molten glass column supplies molten glass to the bushing without requiring any pumps or the like. Furthermore, the glass column requires substantially less energy than conventional forehearths.

REFERENCES:
patent: 3574581 (1971-04-01), Strickland et al.
patent: 3625025 (1971-12-01), Jensen
patent: 3697241 (1972-10-01), Strickland et al.
patent: 3733188 (1973-05-01), Jensen
"The Manufacturing Technology of Continuous Glass Fibers" K. L. Loewenstein, Elsevier Scientific Publishing Company, New York, 1973 pp. 60-70.

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