| 摘要 |
In a glass fiber drawing assembly comprising a bushing assembly having an orifice plate with a drawing area having a flat undersurface through which fibers are drawn, said apparatus comprising:a collect for drawing glass fibers from the plate, a supply nozzle for directing bulk gas against the undersurface of the plate, a heated for heating molten glass within the bushing assembly to condition the glass for drawing through the drawing area of the plate, and apparatus for supplying bulk gas to the nozzle and instantaneously increasing or decreasing the flow of gas to the nozzle.
|
