Optical fiber twisting apparatus with a roller having an...

Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...

Reexamination Certificate

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C065S504000

Reexamination Certificate

active

07845195

ABSTRACT:
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.

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