Title:
プロセスカートリッジ及び画像形成装置
Document Type and Number:
Japanese Patent JP7337648
Kind Code:
B2
Abstract:
A process cartridge is provided, which is configured to recover, with a developing member, developer remaining on an image bearing member after transfer of a developer image to a transfer receiving member, wherein a charging member has a shaft that is conductive and an elastic layer supported on the shaft and being in contact with the image bearing member; the elastic layer has a matrix containing a first rubber, and a plurality of domains containing a second rubber and an electron-conductive agent and interspersed within the matrix. The electric resistance of the domains is lower than the electric resistance of the matrix. The matrix is exposed on an outer surface of the elastic layer and forms multiple depressed portions, and the domains include a domains exposed at a bottom section of the depressed portion.
Inventors:
Takashi Mukai
Takashi Hiramatsu
Shuhei Tokiwa
Takayuki Namiki
Takumi Furukawa
Yuichi Kikuchi
Kazuhiro Yamauchi
Takashi Hiramatsu
Shuhei Tokiwa
Takayuki Namiki
Takumi Furukawa
Yuichi Kikuchi
Kazuhiro Yamauchi
Application Number:
JP2019191539A
Publication Date:
September 04, 2023
Filing Date:
October 18, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G15/02; G03G9/097
Domestic Patent References:
| JP201772833A | ||||
| JP2012163954A | ||||
| JP2001254022A | ||||
| JP2004151695A |
Attorney, Agent or Firm:
Patent Attorney Corporation Shuwa Patent Office
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