CONDUCTIVE ROLL, TRANSFER UNIT, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide a conductive roll that suppresses an increase in electric resistance after a repeated use.SOLUTION: A conductive roll 111 comprises: an ion conductive elastic layer 113 including a foam area 113A and a non-foam area 113B that is located in a surface layer part includ...

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Bibliographic Details
Main Author ICHIZAWA NOBUYUKI
Format Patent
LanguageEnglish
Japanese
Published 19.01.2017
Subjects
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
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Summary:PROBLEM TO BE SOLVED: To provide a conductive roll that suppresses an increase in electric resistance after a repeated use.SOLUTION: A conductive roll 111 comprises: an ion conductive elastic layer 113 including a foam area 113A and a non-foam area 113B that is located in a surface layer part including an outer peripheral surface; and a surface resin layer 114 that includes polyimide or polyamide imide and a conductive agent and is arranged in contact with the outer peripheral surface of the elastic layer that is the non-foam area.SELECTED DRAWING: Figure 3 【課題】繰り返し使用したときの電気抵抗の上昇が抑制される導電性ロールを提供する。【解決手段】発泡領域１１３Ａ、及び、外周面を含む表層部に位置する非発泡領域１１３Ｂを有するイオン導電性の弾性層１１３と、ポリイミド又はポリアミドイミド、及び導電剤を含み、前記弾性層の前記非発泡領域である外周面に接触して配置されている表面樹脂層１１４と、を備えた導電性ロール１１１。【選択図】図３
Bibliography:Application Number: JP20150134779