Fusing device for an electrophotographic image forming apparatus

A fusing device for an electrophotographic image forming apparatus includes a fusing roller which includes a tubular heat pipe, both ends of which are sealed and in which a predetermined amount of a working fluid is contained, a cylindrical roller which surrounds the heat pipe, and a heater which is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHUNG KWANG-YOUNG, CHO DURK-HYUN
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 HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 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:	A fusing device for an electrophotographic image forming apparatus includes a fusing roller which includes a tubular heat pipe, both ends of which are sealed and in which a predetermined amount of a working fluid is contained, a cylindrical roller which surrounds the heat pipe, and a heater which is installed between the cylindrical roller and the heat pipe, and a pressing roller which presses a sheet of paper passing between the pressing roller and the fusing roller. A rubber layer having a predetermined thickness is formed on a surface of the cylindrical roller so as to form a fusing nip with the paper.