Title:
フィルムロール
Document Type and Number:
Japanese Patent JP7230571
Kind Code:
B2
Abstract:
To provide a film roll that reduces failures caused by catch of foreign matters.SOLUTION: A film roll is characterized in that when a hardness reduction rate ((H-H)/(D-5)) is 0.00/mm or higher and 0.70/mm or lower with Hbeing 900 or lower and Hbeing 700 or over when the hardness at a point 5 mm distant from the core surface is H, the hardness of the surface of the film roll is H, and the distance from the core surface to the film roll surface is D(mm).SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Noda
Takeshi Mitsuishi
Takeshi Mitsuishi
Application Number:
JP2019027532A
Publication Date:
March 01, 2023
Filing Date:
February 19, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B65H18/28
Domestic Patent References:
| JP63252853A | ||||
| JP2013086263A | ||||
| JP2012046736A | ||||
| JP2005170613A |
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