摘要 |
<p><PICT:1024759/C1/1> In drawing glass fibres 22, a pool 18 of molten glass in a container 24 is delivered through one or more siphon tubes 44 to one or more receptacles 20 with orifices for delivering streams of glass for attenuation, as by winding on spools 48, the pool of glass 18, the delivered glass in tubes 44 and the receptacles 20 being in a common enclosure 28 which is radiantly heated to a substantially uniform temperature.</p> |