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US 8,709,214 B2Granted
Belt for transferring wet web
AssigneeIchikawa Co., Ltd.
InventorsKenji Inoue, Ryo Umehara, Ai Tamura, Toshihiro Tsuji
Life of this patent
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Abstract
Provided is a belt for transferring a wet web, wherein any water mark does not appear on made paper even when a rate of feeding the belt for transferring a wet web by a roll is high. The roll side layer surface of the belt for transferring a wet web has the surface structure in which the percentage of a contact area with the roll per unit area is 10% to 75% and a surface roughness Ra is 50-150 μm.
Claims5
A belt for transferring a wet web, comprising a reinforcing fiber substrate buried in a water-impermeable resin layer, wherein:
- the belt for transferring a wet web comprises a wet web contact side layer which contacts with a wet web and a roll side layer opposite to the wet web contact side layer;
- a roll side layer surface of the roll side layer comprises a surface structure in which a percentage of a contact area with a roll per unit area is 10% to 75% and has a surface roughness Ra of 50-150 μm;
- and
- the roll side layer comprises the surface structure wherein recesses and protrusions are irregularly distributed on the water-impermeable resin layer.
1 more element
Dependencies are inferred from the claim text.