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COOLING DEVICE WITH SEALING CAP FOR HIGH-SPEED DRAWING IN FIBER DRAWING PROCESS
COOLING DEVICE WITH SEALING CAP FOR HIGH-SPEED DRAWING IN FIBER DRAWING PROCESS
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机译:带密封盖的冷却装置,用于纤维拉伸过程中的高速拉伸
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摘要
What is disclosed is a cooling unit with a sealing cap, for high speed optical fiber drawing in an optical fiber drawing process. The cooling unit includes: a cooling body through which the optical fiber drawn in high speed passes and in which heat exchange is performed by provided helium gas; and a sealing cap mounted on upper and lower ends of the cooling body, wherein at least more than one supplying member of ring type are provided in an inside of the sealing cap more than one time along progress direction of the optical fiber, for providing flow rate of reverse direction opposite to external air introduced along the drawing optical fiber so that the influence of the external air is minimized.
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