Title:
ガラスクロス用芯管及びガラスクロス捲回体の製造方法
Document Type and Number:
Japanese Patent JP7291491
Kind Code:
B2
Abstract:
To provide a core tube for glass cloth capable of suppressing generation of winding wrinkle even when a glass cloth with a relatively low degree of elasticity is wound while pressing by a press roll, and a manufacturing method of a glass cloth wound body using the same.SOLUTION: A core tube for glass cloth for winding a glass cloth includes: a base material having a columnar shape; and one or more first belt-like protruding parts arranged along a circumferential direction on a side surface of the base material. In the core tube for glass cloth, the longitudinal direction length of the first belt-like protruding part is 75% or more with respect to the circumferential length of the base material.SELECTED DRAWING: None
Inventors:
Masao Endo
Seko Sosen
Seko Sosen
Application Number:
JP2019012380A
Publication Date:
June 15, 2023
Filing Date:
January 28, 2019
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
B65H75/10; B65H18/26
Domestic Patent References:
| JP7172642A | ||||
| JP2018030713A | ||||
| JP2018002447A | ||||
| JP6032539A |
Foreign References:
| WO2016203775A1 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
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