Method and apparatus for forming glass fibers

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

1981-04-20

1982-08-10

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 15, 6537412, 291635R, 219121EM, 428670, 428940, C03B 37025

Patent

active

043436366

ABSTRACT:
A laminated wall for a feeder for supplying streams of molten glass to be attenuated into filaments is provided comprising: a refractory metal core having an oxygen impervious, precious metal sheath intimately bonded thereto by hot isostatic pressing to form a laminate, said laminate having at least one aperture extending therethrough; a first element positioned in said aperture, said first element having a flange in abutting engagement with one side of said sheath and an orifice extending therethrough; a second element positioned in said orifice of said first element, said second element having a flange in abutting engagement with an opposite side of said sheath and a passageway adapted to permit said molten glass to flow therethrough; said first element being sealed to said laminate to prevent the oxidation of said core at elevated temperatures.

REFERENCES:
patent: 3065613 (1962-11-01), Wranau
patent: 3235646 (1966-02-01), Sens
patent: 3248190 (1966-04-01), Woodward et al.
patent: 3278282 (1966-10-01), Jaray
patent: 3371409 (1968-03-01), Bonnet et al.
patent: 3511306 (1970-05-01), Warkolzewski
patent: 3657784 (1972-04-01), Selman
patent: 3736109 (1973-05-01), Darling et al.
patent: 4066864 (1978-01-01), Heitmann
patent: 4140507 (1979-02-01), Costin et al.
Hot Isostatic Processing MC1C-77-34 Battelle Labs., Columbus, Ohio, Nov. 1977, pp. 1-99.

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