DEVELOPMENT ROLLER, TONER AND IMAGE FORMATION APPARATUS
PROBLEM TO BE SOLVED: To provide a development roller capable of achieving suppression of both regulation blade fastening and filming even when a toner having excellent low-temperature fixability is used to achieve high speed and long life.SOLUTION: A development roller includes a conductive shaft b...
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Format | Patent |
Language | English Japanese |
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06.10.2016
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Abstract | PROBLEM TO BE SOLVED: To provide a development roller capable of achieving suppression of both regulation blade fastening and filming even when a toner having excellent low-temperature fixability is used to achieve high speed and long life.SOLUTION: A development roller includes a conductive shaft body, a conductive elastic layer formed on a circumference of the conductive shaft body, and a toner carrier layer formed on a circumference of the conductive elastic layer. The toner carrier layer has particles with an average particle diameter of 11-40 nm dispersed on a surface thereof. The development roller has running torque of 2.5-3.5 N.SELECTED DRAWING: Figure 1
【課題】低温定着性に富んだトナーを用いて高速・長寿命化を行っても、規制ブレード固着とフィルミングの抑制を両立させることができる現像ローラを提供する。【解決手段】導電性軸体と、該導電性軸体の外周に形成された導電性弾性層と、該導電性弾性層の外周に形成されたトナー担持層と、を有する現像ローラであって、前記トナー担持層は、表面に平均粒径11〜40nmの粒子が分散されており、前記現像ローラの回転トルクが2.5〜3.5Nであることを特徴とする現像ローラ。【選択図】図1 |
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AbstractList | PROBLEM TO BE SOLVED: To provide a development roller capable of achieving suppression of both regulation blade fastening and filming even when a toner having excellent low-temperature fixability is used to achieve high speed and long life.SOLUTION: A development roller includes a conductive shaft body, a conductive elastic layer formed on a circumference of the conductive shaft body, and a toner carrier layer formed on a circumference of the conductive elastic layer. The toner carrier layer has particles with an average particle diameter of 11-40 nm dispersed on a surface thereof. The development roller has running torque of 2.5-3.5 N.SELECTED DRAWING: Figure 1
【課題】低温定着性に富んだトナーを用いて高速・長寿命化を行っても、規制ブレード固着とフィルミングの抑制を両立させることができる現像ローラを提供する。【解決手段】導電性軸体と、該導電性軸体の外周に形成された導電性弾性層と、該導電性弾性層の外周に形成されたトナー担持層と、を有する現像ローラであって、前記トナー担持層は、表面に平均粒径11〜40nmの粒子が分散されており、前記現像ローラの回転トルクが2.5〜3.5Nであることを特徴とする現像ローラ。【選択図】図1 |
Author | YASUNAGA HIDEAKI SHIGESATO KEIICHIRO MATSUSHITA MAKOTO |
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DocumentTitleAlternate | 現像ローラ、トナー及び画像形成装置 |
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Snippet | PROBLEM TO BE SOLVED: To provide a development roller capable of achieving suppression of both regulation blade fastening and filming even when a toner having... |
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SubjectTerms | BEARINGS BLASTING CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MAGNETOGRAPHY MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS |
Title | DEVELOPMENT ROLLER, TONER AND IMAGE FORMATION APPARATUS |
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