Title:
PAPER FEED ROLL
Document Type and Number:
WIPO Patent Application WO/2023/145462
Kind Code:
A1
Abstract:
The present invention provides a paper feed roll in which it is easy to judge the service life of the roll. A paper feed roll 10 includes a shaft body 12 and an elastic body layer 14 formed on the outer circumferential surface of the shaft body 12. The outer diameter of the elastic body layer 14 is 10-50 mm, the outer circumferential surface of the elastic body layer 14 is provided with, in the circumferential direction, 1-8 grooves 16 extending in the axial direction, the grooves 16 have a constant groove width W in the depth direction or have a groove width W that gradually decreases in the depth direction, the groove width W of the grooves 16 is 0.2-1.0 mm, and the groove depth D of the grooves 16 is 0.2-1.0 mm.
Inventors:
ITO DAIKI (JP)
KATO KAORU (JP)
IMAMURA WATARU (JP)
ENDO SATOSHI (JP)
SAKUDA MANABU (JP)
KATO KAORU (JP)
IMAMURA WATARU (JP)
ENDO SATOSHI (JP)
SAKUDA MANABU (JP)
Application Number:
PCT/JP2023/000624
Publication Date:
August 03, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
B65H5/06; B65H3/06; F16C13/00
Foreign References:
| JPH0328138U | 1991-03-20 | |||
| JPH0633853U | 1994-05-06 | |||
| JP2011173680A | 2011-09-08 | |||
| JPH08225164A | 1996-09-03 | |||
| JP2000159375A | 2000-06-13 | |||
| JP2002249243A | 2002-09-03 | |||
| JP2014055057A | 2014-03-27 | |||
| JP2020110848A | 2020-07-27 |
Attorney, Agent or Firm:
YAMADA, Kazuhiro (JP)
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