发明名称 |
Image bearing member-protecting agent, protecting agent-supplying device, process cartridge, image forming apparatus and image forming method |
摘要 |
An image bearing member-protecting agent which is supplied to an image bearing member for protecting the image bearing member, the image bearing member-protecting agent including a fatty acid metal salt and an inorganic lubricant, wherein the image bearing member-protecting agent is formed by compression molding of powder containing at least the fatty acid metal salt and the inorganic lubricant, and wherein the image bearing member-protecting agent satisfies the relation 1.0 < A/B, where A denotes a density at end portions in the longitudinal direction of the image bearing member-protecting agent and B denotes a density at a central portion in the longitudinal direction of the image bearing member-protecting agent. |
申请公布号 |
EP2293146(A3) |
申请公布日期 |
2012.10.24 |
申请号 |
EP20100174453 |
申请日期 |
2010.08.30 |
申请人 |
RICOH COMPANY LTD. |
发明人 |
URAYAMA, TAICHI;NAKAI, HIROSHI;HASEGAWA, KUNIO;TANAKA, SHINYA |
分类号 |
G03G5/147;G03G21/00 |
主分类号 |
G03G5/147 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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