Gas support gathering shoe for forming glass fibers and method f

Glass manufacturing – Processes – Forming product or preform from molten glass

Patent

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Details

28 54, 65 3R, 65 11W, 65374R, 242157R, C03B 3702

Patent

active

039999700

ABSTRACT:
A gathering shoe is disclosed for combining glass filaments which have been attenuated from a bushing into a consolidated strand. The gathering shoe is formed of a porous material, preferably porous graphite, and has a central chamber or cavity within which is located gaseous fluid jets connected to a gaseous fluid supply. As gaseous fluid is forced through a slot in the porous shoe over which the glass filaments are combined into a unitary strand, the glass fiber strand rides on a gaseous fluid cushion. This decreases wear of the shoe and breakouts of the filaments caused by such wear and aids in drying the glass filaments.

REFERENCES:
patent: 3080135 (1963-03-01), Steijn
patent: 3285721 (1966-11-01), Ewing
patent: 3489543 (1970-01-01), Kita et al.
patent: 3560178 (1971-02-01), Minkler
patent: 3887970 (1975-06-01), Drummond

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