Title:
PAPER FEEDING ROLLER
Document Type and Number:
WIPO Patent Application WO/2020/066242
Kind Code:
A1
Abstract:
The purpose of the invention is to provide a paper feeding roller that can prevent paper transportation failures over a long time. Provided is a paper feeding roller 10 comprising a shaft 12 and an elastic body layer 14 formed on the outer circumference of the shaft 12, wherein: a plurality of raised portions 16 forming an uneven surface is provided on the circumferential face of the elastic body layer 14; when a glass plate is pressed against the circumferential face of the paper feeding roller 10 with a load of 0.5 to 2.3 N per 1 cm of length in the axial direction, the percentage of the contact area of one raised portion 16 in a contact area per 1 cm of length in the axial direction of a portion in contact with a glass face is 0.005 to 10%; and the cross-sectional area S of regions formed by lower portions between adjacent raised portions 16 and the glass plate is 1/10 or more of the value indicated by the product of the contact length L between the raised portions 16 and the glass plate, and the expected height h of the paper dust.
Inventors:
YAMAGUCHI KAZUSHI (JP)
KOSE TAKAHISA (JP)
KOSE TAKAHISA (JP)
Application Number:
PCT/JP2019/028621
Publication Date:
April 02, 2020
Filing Date:
July 22, 2019
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
B65H3/06; B65H5/06; F16C13/00
Foreign References:
| JP2004011734A | 2004-01-15 |
Attorney, Agent or Firm:
WENO & PARTNERS (JP)
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