CONDUCTIVE RUBBER ROLLER AND IMAGE FORMING DEVICE PROVIDED WITH SAID ROLLER

PURPOSE:To obtain an ink holding roller extended in life and improved in conductivity. CONSTITUTION:A voltage is applied between an ink holding roller and an image holding roller having an insulating image pattern on the surface thereof, whereby an ink image is formed on the image holding roller for...

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Bibliographische Detailangaben
Hauptverfasser:	ARAHARA KOZO, ONISHI TOSHIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTINGFOR OFFICE OR OTHER COMMERCIAL PURPOSES LINING MACHINES PERFORMING OPERATIONS PRINTING PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain an ink holding roller extended in life and improved in conductivity. CONSTITUTION:A voltage is applied between an ink holding roller and an image holding roller having an insulating image pattern on the surface thereof, whereby an ink image is formed on the image holding roller for printing. At this time, the ink holding roller for supplying ink consists of conductive rubbers 21, 23 compounded with carbon black and a conductive intermediate layer 22 formed by metallizing a gold, which is a noble metal, between the conductive rubbers 21, 23.