Invention Grant
- Patent Title: Roll member, charging member, charging device, process cartridge, and image forming apparatus
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Application No.: US18189215Application Date: 2023-03-24
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Publication No.: US11947274B2Publication Date: 2024-04-02
- Inventor: Yuki Tagawa , Takuya Yamamoto
- Applicant: FUJIFILM Business Innovation Corp.
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Business Innovation Corp.
- Current Assignee: FUJIFILM Business Innovation Corp.
- Current Assignee Address: JP Tokyo
- Agency: JCIPRNET
- Priority: JP 22130599 2022.08.18
- Main IPC: G03G15/02
- IPC: G03G15/02
Abstract:
A roll member includes: a conductive elastic layer that contains a fatty acid metal salt; and a surface layer that is provided on the conductive elastic layer and contains a filler, in which the surface layer includes a first layer provided on the conductive elastic layer side and a second layer provided immediately above the first layer, and a content of the filler in the first layer is less than a content of the filler in the second layer.
Public/Granted literature
- US20240061357A1 ROLL MEMBER, CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Public/Granted day:2024-02-22
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