发明申请
- 专利标题: IMAGE FORMING APPARATUS, PROTECTANT APPLICATOR AND PROCESS CARTRIDGE
- 专利标题(中): 图像形成装置,保护应用者和处理盒
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申请号: US12396987申请日: 2009-03-03
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公开(公告)号: US20090232541A1公开(公告)日: 2009-09-17
- 发明人: Kumiko HATAKEYAMA , Toshiyuki Kabata
- 申请人: Kumiko HATAKEYAMA , Toshiyuki Kabata
- 申请人地址: JP Tokyo
- 专利权人: RICOH COMPANY, LTD
- 当前专利权人: RICOH COMPANY, LTD
- 当前专利权人地址: JP Tokyo
- 优先权: JP2008-064729 20080313; JP2008-256853 20081001
- 主分类号: G03G21/18
- IPC分类号: G03G21/18 ; G03G15/00
摘要:
An image forming apparatus, including an image bearer; and a protectant applicator applying a protectant including zinc stearate and zinc palmitate to the surface thereof, wherein an average amount of the protectant adhering thereto is from 0.4 to 2.0 μg/cm2 after 500 images are produced, and wherein the following relationships are satisfied: X=Sb/Sa wherein X represents an index of the amount of the protectant adhering at an arbitrary point thereon; Sa represents a peak area in a wavenumber domain of from 1,765 to 1,786 cm−1 in an infrared absorption spectrum; and Sb represents a peak area in a wavenumber domain of from 1,533 to 1,547 cm−1, and ΔXi/Xave
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