FILM ROLL AND MANUFACTURING METHOD FOR THE SAME

Title:

FILM ROLL AND MANUFACTURING METHOD FOR THE SAME

Document Type and Number:

Japanese Patent JP2023176991

Kind Code:

A

Abstract:

To provide means for reducing sticking and winding deviation of a film roll.SOLUTION: The film roll does not have a knurling part. A gap between film layers during winding measured at a side face of a film roll is denoted as X (unit: μm), and a film thickness deviation including film edges is denoted as Y (unit: μm), the following formulas (1) and (2) are satisfied.SELECTED DRAWING: None

Inventors:

FURUYAMA TOMOMASA
KANEKO YUKI
MASUDA OSAMU
NANJO TAKASHI

Application Number:

JP2022089640A

Publication Date:

December 13, 2023

Filing Date:

June 01, 2022

Export Citation:

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Assignee:

KONICA MINOLTA INC

International Classes:

B65H18/28; B29C55/02; G02B5/30

Attorney, Agent or Firm:

IBC Ichibancho Patent Attorney Corporation

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