US Patent 7966846 Optical fiber drawing and twisting apparatus
Patent 7966846 was granted and assigned to Fujikura on June, 2011 by the United States Patent and Trademark Office.
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An optical fiber twisting apparatus that prevents line distortion in an optical fiber undergoing a drawing process and provides a consistent coating on a bare optical fiber. This optical fiber twisting apparatus includes a twist roller apparatus that having a twist roller that, by imparting a twist to an optical fiber, imparts a twist to a molten portion of an optical fiber preform positioned on an upstream side of the optical fiber, and a support portion that supports the twist roller. The accuracy of the outer circumference of the twist roller when the twist roller is forming a part of the twist roller apparatus is 15 μm or less.
US Patent 07966846 Optical fiber drawing and twisting apparatus US Patent 7966846 Optical fiber drawing and twisting apparatus
US Patent 07966846 Optical fiber drawing and twisting apparatus
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