Method and apparatus for forming glass filaments

C - Chemistry – Metallurgy – 03 – B

Patent

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49/8.9

C03B 37/02 (2006.01) C03B 37/03 (2006.01) C03B 37/16 (2006.01)

Patent

CA 1129205

ABSTRACT OF THE DISCLOSURE Method and apparatus for forming glass filaments are provided by a) a plurality of spaced apart forming sections wherein each section is comprised of i) a feeder adapted to supply a plurality of streams of glass to be attenuated into continuous filaments, a zone being defined by the paths of the free-falling streams, ii) applicator means laterally spaced from said zone adapted to apply a coating to the advancing filaments, iii) first guide means laterally spaced from said zone adapted to gather the filaments into a strand, the guide means and ap- plicator being positioned such that the coating is applied to the filaments at a region external to said zone and intermediate the feeder and the first guide means along the path of advance- ment of the filaments, iv) secondary attenuation means laterally spaced from the zone adapted to advance the filaments as waste, b) a single primary attenuation means adapted to simultaneously attenuate the streams from each section into filaments; and c) second guide means positioned to advance the strands from each seçtion external to all of said zones when the strands are being advanced by the primary attenuation means, said feeders, applica- tor means, first guide means and second guide means being posi- tioned such that any of said strands are advanced along paths external to all of said zones and in the absence of contact with any other of said strands when any of the waste strands are ad- vanced by the secondary attenuation means.

327550

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