CONDUCTIVE ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS

PROBLEM TO BE SOLVED: To provide a conductive roll for electrophotographic apparatuses, formed by any of an extrusion molding method and the injection molding method, having high surface smoothness, sag resistance, and anti-staining properties.SOLUTION: The conductive roll has a conductive elastic l...

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Bibliographische Detailangaben
Hauptverfasser:	TATSUMI SOJI, TAKEYAMA YOSHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a conductive roll for electrophotographic apparatuses, formed by any of an extrusion molding method and the injection molding method, having high surface smoothness, sag resistance, and anti-staining properties.SOLUTION: The conductive roll has a conductive elastic layer formed on an outer periphery of a shaft body. The conductive elastic layer includes 10-100 pts.mass of spindle-shaped inorganic filler with respect to 100 pts.mass of rubber. The inorganic filler is dispersed in the conductive elastic layer in a state of single-particles with a major axis within a range of 0.1-2 μm or aggregates. Preferably, the aggregate of the inorganic filler is so arranged that the major axis thereof is oriented in the axial direction of the shaft body.