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    • 4. 发明申请
    • A DEVICE IN EQUIPMENT FOR DRAWING GLASS FIBRES
    • 用于绘制玻璃纤维的设备中的设备
    • WO1983002268A1
    • 1983-07-07
    • PCT/SE1982000432
    • 1982-12-20
    • TELEFONAKTIEBOLAGET L M ERICSSONVACHA, Lubos, Josef, Bohuslav
    • TELEFONAKTIEBOLAGET L M ERICSSON
    • C03B37/10
    • C03C25/16C03B37/0235C03C25/106
    • In drawing glass fibres intended for optical transmission, the fibre (18) is allowed to pass through a tubular cooling chamber (21) after drawing, the inner wall (22) of the chamber comprising a porous material with open pores. The chamber (21) is connected to a source of compressed gas, suitably dry nitrogen gas. By cooling the hot fibre is prevented from being contaminated and damaged by air humidity, and the fibre tensional strength is increased by compression stresses being built into the outer layer of the fibre. Furthermore, the fibre is prevented from being so hot that it can cure too early and unevenly the protective coating of a curable plastics, which is applied as soon as possible after drawing, to protect and reinforce the glass fibre.
    • 在制造用于光学传输的玻璃纤维中,纤维(18)在拉伸之后允许通过管状冷却室(21),该室的内壁(22)包括具有开孔的多孔材料。 室(21)连接到压缩气体源,适当干燥的氮气。 通过冷却,防止热纤维被空气湿度污染和损坏,并且通过内置在纤维的外层中的压缩应力来增加纤维张力强度。 此外,防止纤维变得太热,使得其可以过早固化,并且不均匀地固化可拉伸后尽快施加的可固化塑料的保护涂层,以保护和增强玻璃纤维。