Title:
CHARGING ROLLER
Document Type and Number:
WIPO Patent Application WO/2007/000820
Kind Code:
A1
Abstract:
This invention provides a charging roller that can form a high-quality toner
image. The charging roller comprises a support shaft and at least one resin layer
provided on the circumferential surface of the support shaft. The resin layer
comprises a base resin material and a carbon black dispersed in the base resin
material. The carbon black has a number average particle diameter of Feret's
diameters of 5 to 300 nm and contains not less than 5%, on the basis of number of particles,
of primary particles.
More Like This:
JP5652018 | Cleaning device and image forming device |
JP4192591 | Image forming device |
WO/2000/011082 | COMPOSITION FOR ROLLER AND ROLLER THEREFROM |
Inventors:
SHIROSE MEIZO (JP)
UCHINO SATOSHI (JP)
UCHINO SATOSHI (JP)
Application Number:
PCT/JP2005/011949
Publication Date:
January 04, 2007
Filing Date:
June 29, 2005
Export Citation:
Assignee:
KONICA MINOLTA BUSINESS TECH (JP)
SHIROSE MEIZO (JP)
UCHINO SATOSHI (JP)
SHIROSE MEIZO (JP)
UCHINO SATOSHI (JP)
International Classes:
G03G15/02
Foreign References:
JPH10120935A | 1998-05-12 | |||
JP2000137369A | 2000-05-16 | |||
JP2004302069A | 2004-10-28 | |||
JP2003107820A | 2003-04-09 |
Attorney, Agent or Firm:
KAWAMIYA, Osamu et al. (IMP Building 3-7, Shiromi 1-chome,, Chuo-ku, Osaka-sh, Osaka01, JP)
Download PDF: