Title:
中間ロールの製造方法
Document Type and Number:
Japanese Patent JP7331589
Kind Code:
B2
Abstract:
To provide a manufacturing method of an intermediate roll that can continuously remove electric charges over a long period of time.SOLUTION: The manufacturing method of an intermediate roll includes a charging step of applying charges to both ends of a transport film in a width direction. A center-line average roughness Ra of a surface of the transport film is 1 nm or more and 10 nm or less. An absolute value of an amount of charge at both ends of the transport film in the width direction is 0.5 kV or more and 5.0 kV or less.SELECTED DRAWING: Figure 5
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Inventors:
Kazuhiro Nishimura
Application Number:
JP2019176910A
Publication Date:
August 23, 2023
Filing Date:
September 27, 2019
Export Citation:
Assignee:
Toray Industries, Inc.
International Classes:
B65H18/08; B65H23/195; B65H23/24
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