Title:
DEVELOPING ROLLER AND DEVELOPING DEVICE USING THE ROLLER
Document Type and Number:
WIPO Patent Application WO/1999/001800
Kind Code:
A1
Abstract:
A developing roller (10) comprising an elastic layer (12) wound round a conductive shaft (11) and one or more resin layers (13) laminated on the elastic layer. The elastic layer (12) has a JIS A hardness of not greater than 50 degrees. At least the outermost layer of the one or more resin layers (13) contains fine particles and the surface roughness (Rz) of the outermost layer is regulated to be within the range of 3 to 15 $g(m)m. A resin composition containing an -NHCO- bond or a resin composition containing -ROCO¿2?- and -SiOSi- repeating units and an -NHCO- bond can be used for the outermost layer.
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Inventors:
MIMURA KAZUYOSHI (JP)
KOBAYASHI KENJI (JP)
FUKUDA SUSUMU (JP)
OGOSHI HIROSHI (JP)
FUSHIKI YASUO (JP)
KOBAYASHI KENJI (JP)
FUKUDA SUSUMU (JP)
OGOSHI HIROSHI (JP)
FUSHIKI YASUO (JP)
Application Number:
PCT/JP1998/002947
Publication Date:
January 14, 1999
Filing Date:
June 29, 1998
Export Citation:
Assignee:
KANEKA CORP (JP)
MIMURA KAZUYOSHI (JP)
KOBAYASHI KENJI (JP)
FUKUDA SUSUMU (JP)
OGOSHI HIROSHI (JP)
FUSHIKI YASUO (JP)
MIMURA KAZUYOSHI (JP)
KOBAYASHI KENJI (JP)
FUKUDA SUSUMU (JP)
OGOSHI HIROSHI (JP)
FUSHIKI YASUO (JP)
International Classes:
F16C13/00; G03G15/08; (IPC1-7): G03G15/08; F16C13/00
Foreign References:
JPH08179619A | 1996-07-12 | |||
JPH04301663A | 1992-10-26 | |||
JPH1039614A | 1998-02-13 |
Attorney, Agent or Firm:
Yanagino, Takao (15-5 Miyahara 1-chome, Yodogawa-k, Osaka-shi Osaka, JP)
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