Bushing and method for forming glass fibers

Details Bushing and method for forming glass fibers Bushing and method for forming glass fibers

1977-11-21

1979-02-20

Kellogg, Arthur D.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 1, 65374RM, C03B 3702

Patent

active

041405072

ABSTRACT:
A bushing for use in the drawing of glass filaments to form glass fibers formed of a silicon-based ceramic having a plurality of openings extending therethrough and hollow tip elements formed of a precious metal extending through the openings in the bushing. In the preferred practice of the invention, the hollow tip element overlays a ceramic spacer element which serves to prevent reaction of the precious metal with the silicon-based ceramic.

REFERENCES:
patent: 2323000 (1943-06-01), Auwarter et al.
patent: 2996758 (1961-08-01), McFadden
patent: 3134659 (1964-05-01), Labino
patent: 3248190 (1966-04-01), Woodward et al.
patent: 3350182 (1967-10-01), Hunter et al.
patent: 3533771 (1970-10-01), Stehl et al.

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