Method and apparatus for forming glass fibers

Details Method and apparatus for forming glass fibers Method and apparatus for forming glass fibers

1985-12-17

1987-06-16

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 1, 210420, C03B 3702

Patent

active

046734287

ABSTRACT:
A feeder for the production of glass filaments is provided with a shallow layer of glass over the discharge wall in combination with a fluid filled cavity capable of being pressure regulated to render the operation dripless or non-dripless as desired. Preferably, the feeder is rendered non-dripless when the restart of filament formation from idled orifices is desired.

REFERENCES:
patent: 2294266 (1942-08-01), Barnard
patent: 2453864 (1948-11-01), Schlehr
patent: 2465283 (1949-03-01), Schlehr
patent: 3012373 (1961-12-01), Willis
patent: 3269816 (1966-08-01), Helbing
patent: 3294503 (1966-12-01), Machlan et al.
patent: 3478389 (1969-11-01), Bradley et al.
patent: 3573014 (1971-03-01), Strickland et al.
patent: 4436541 (1984-03-01), Pellagrin et al.
patent: 4488891 (1984-12-01), Grubka et al.
patent: 4553994 (1985-11-01), Greene et al.

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