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    • 9. 发明授权
    • Manufacturing method of optical fiber
    • 光纤制造方法
    • US08661856B2
    • 2014-03-04
    • US13161132
    • 2011-06-15
    • Kenji Okada
    • Kenji Okada
    • C03B37/025
    • C03B37/02718C03B2205/50C03C25/12Y02P40/57
    • In an optical fiber manufacturing method, the cooling device and the coating device are connected in an airtight manner and by preventing a cooling gas, flowing inside the cooling device, from flowing into the coating device by a meniscus of resin inside of the coating device, a flow of the cooling gas inside the cooling device is discharged to an outside of an upper end of the cooling device as an upward stream; helium gas as the cooling gas flows into a lower portion of the cooling device and carbon dioxide gas as the cooling gas which is separated from the helium gas flows into a side lower than a position where the helium gas flows in, during the forcible cooling; and a flow rate of the helium gas and a flow rate of the carbon dioxide gas are individually controlled.
    • 在光纤制造方法中,冷却装置和涂布装置以气密的方式连接,并且通过防止在冷却装置内流动的冷却气体通过涂覆装置内部的树脂的弯液面流入涂布装置, 冷却装置内部的冷却气体的流动作为向上的流被排出到冷却装置的上端的外部; 氦气作为冷却气体流入冷却装置的下部,二氧化碳气体作为与氦气分离的冷却气体在强制冷却时流入低于氦气流入的一侧的一侧; 分别控制氦气的流量和二氧化碳气体的流量。
    • 10. 发明申请
    • MANUFACTURING METHOD OF OPTICAL FIBER
    • 光纤制造方法
    • US20110239709A1
    • 2011-10-06
    • US13161132
    • 2011-06-15
    • Kenji OKADA
    • Kenji OKADA
    • C03B37/07C03C25/24C03B37/025C03B37/12C03C25/12
    • C03B37/02718C03B2205/50C03C25/12Y02P40/57
    • In an optical fiber manufacturing method, the cooling device and the coating device are connected in an airtight manner and by preventing a cooling gas, flowing inside the cooling device, from flowing into the coating device by a meniscus of resin inside of the coating device, a flow of the cooling gas inside the cooling device is discharged to an outside of an upper end of the cooling device as an upward stream; helium gas as the cooling gas flows into a lower portion of the cooling device and carbon dioxide gas as the cooling gas which is separated from the helium gas flows into a side lower than a position where the helium gas flows in, during the forcible cooling; and a flow rate of the helium gas and a flow rate of the carbon dioxide gas are individually controlled.
    • 在光纤制造方法中,冷却装置和涂布装置以气密的方式连接,并且通过防止在冷却装置内流动的冷却气体通过涂覆装置内部的树脂的弯液面流入涂布装置, 冷却装置内部的冷却气体的流动作为向上的流被排出到冷却装置的上端的外部; 氦气作为冷却气体流入冷却装置的下部,二氧化碳气体作为与氦气分离的冷却气体在强制冷却时流入低于氦气流入的一侧的一侧; 分别控制氦气的流量和二氧化碳气体的流量。