Manufacturing method, control device, and manufacturing apparatus of optical fiber
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United States of America Patent
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Jan 30, 2018
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app pub date -
May 5, 2016
filing date -
May 27, 2015
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Abstract
A manufacturing method of an optical fiber includes drawing an optical fiber preform and forming a bare optical fiber, coating an outer circumference of the bare optical fiber with a coating layer including a resin, curing the coating layer and forming an optical fiber by curing the coating layer, and changing a direction of the bare optical fiber using one or a plurality of direction changing devices at any position between a position where the bare optical fiber is formed and a position where the coating is performed. The direction changing device includes a guide groove which guides the bare optical fiber, and an internal space portion into which a fluid is introduced from an outside, and in the guide groove, an outlet through which the fluid in the internal space portion is blown to float the bare optical fiber in the guide groove is formed.
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