Title:
CORE TUBE FOR GLASS CLOTH AND MANUFACTURING METHOD OF GLASS CLOTH WOUND BODY
Document Type and Number:
Japanese Patent JP2023086933
Kind Code:
A
Abstract:
To provide a core tube for glass cloth that can suppress the occurrence of winding wrinkles even when glass cloth with a relatively low elastic modulus is wound while being pressed with a pressing roll, and a manufacturing method of a glass cloth core tube using the core tube.SOLUTION: The core tube for glass cloth for winding glass cloth includes: a base material having a cylindrical shape; and one or more first band convex portions arranged along a circumferential direction on a side surface of the base material. The first band convex portion has a longitudinal length of 75% or more of a circumferential length of the base material.SELECTED DRAWING: None
Inventors:
ENDO MASAO
SEKOMUNE IZUMI
SEKOMUNE IZUMI
Application Number:
JP2023073898A
Publication Date:
June 22, 2023
Filing Date:
April 28, 2023
Export Citation:
Assignee:
ASAHI KASEI CORP
International Classes:
B65H75/10; B65H18/26
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito