Title:
QUARTZ GLASS YARN PACKAGE
Document Type and Number:
Japanese Patent JP2023174011
Kind Code:
A
Abstract:
To provide a quartz glass yarn package in which the occurrence of fluff in a quartz glass yarn and the yarn breakage in its warping process are reduced.SOLUTION: A quartz glass yarn package comprises a bobbin having a take-up part, and a quartz glass yarn wound on the take-up part and having a SiO2 content of 95 mass% or more. The bobbin is an antistatic processed bobbin. The quartz glass yarn alternately has a portion wound from a lower portion toward an upper portion of the take-up part of the bobbin and a portion wound from the upper portion toward the lower portion of the take-up part. A winding pitch a of the portion wound from the lower portion toward the upper portion of the take-up part is 0.1 to 0.3 mm, and a winding pitch b of the portion wound from the upper portion toward the lower portion of the take-up part is 0.2 to 0.6 mm.SELECTED DRAWING: Figure 1
Inventors:
URANAKA MUNEKIYO
TAGUCHI YUSUKE
NOMURA RYUNOSUKE
ITOKAWA HAJIME
TAGUCHI YUSUKE
NOMURA RYUNOSUKE
ITOKAWA HAJIME
Application Number:
JP2022086611A
Publication Date:
December 07, 2023
Filing Date:
May 27, 2022
Export Citation:
Assignee:
SHINETSU CHEMICAL CO
International Classes:
B65H55/00; C03B37/12; D02G3/16; D02G3/26; D03D15/267
Attorney, Agent or Firm:
Patent Attorney Corporation Eimei International Patent Office
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