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To solve the problem in which: both ends of a cleaning blade 6 can be impregnated with an isocyanate compound to be cured, thereby preventing turn-up of the blade; however, swelling of an impregnation part forms a gap, which causes slip-through of toner.SOLUTION: Isocyanate treatment can be graduall...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To solve the problem in which: both ends of a cleaning blade 6 can be impregnated with an isocyanate compound to be cured, thereby preventing turn-up of the blade; however, swelling of an impregnation part forms a gap, which causes slip-through of toner.SOLUTION: Isocyanate treatment can be gradually performed on both ends of a cleaning blade 6 to reduce a boundary level difference while maintaining μ of an outermost end of the cleaning blade 6, and thereby both prevention of blade turn-up and prevention of boundary slip-through are achieved.SELECTED DRAWING: Figure 3
【課題】 クリーニングブレード６の両端部にイソシアネート化合物を含浸させて硬化することでブレード捲れを抑制できるが、含浸部が膨潤することで隙間ができ、トナーのすり抜けが発生する。【解決手段】 クリーニングブレード６の両端部に段階的にイソシアネート処理を行うことで、クリーニングブレード６の最端部のμを維持しながら境界段差を小さくすることが可能になり、ブレード捲れの抑制と境界すり抜けの抑制を両立する。【選択図】 図３ |
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