IMAGE FORMING DEVICE
PURPOSE:To obtain an image forming device capable of suppressing the scattering of conductive magnetic toner to utmost, being miniaturized and obtaining a shape image by fitting a pressurizing conductive sheet to the surface of a transfer roller. CONSTITUTION:The pressurizing conductive sheet 32 is...
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| creator | YAMAMURA TORU |
| description | PURPOSE:To obtain an image forming device capable of suppressing the scattering of conductive magnetic toner to utmost, being miniaturized and obtaining a shape image by fitting a pressurizing conductive sheet to the surface of a transfer roller. CONSTITUTION:The pressurizing conductive sheet 32 is fitted to the periphery of a shaft 30 and a spacer roller 34 is attached to both ends in the longitudinal direction of the pressurizing conductive sheet 32. Further, a bias voltage (for instance, a positive one) is applied to the shaft 30 by a bias power source 36. The pressurizing conductive sheet 32 is an anisotropic conductive connector that zero gold-plated metallic particles are arrayed in a conductive rubber and electric resistance is dropped in accordance with the increase of pressure, so that a transfer electric field is generated only on a part being in press-contact with the recording paper, on the surface of the pressurizing conductive sheet 32 and not generated on the part not being in press-contact with the recording paper. Since the transfer electric field is not generated on the part not being in press-contact with the recording paper, the scattering of the conductive magnetic toner can be suppressed as much as possible and the sharp image can be formed on the recording paper. |
| format | Patent |
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CONSTITUTION:The pressurizing conductive sheet 32 is fitted to the periphery of a shaft 30 and a spacer roller 34 is attached to both ends in the longitudinal direction of the pressurizing conductive sheet 32. Further, a bias voltage (for instance, a positive one) is applied to the shaft 30 by a bias power source 36. The pressurizing conductive sheet 32 is an anisotropic conductive connector that zero gold-plated metallic particles are arrayed in a conductive rubber and electric resistance is dropped in accordance with the increase of pressure, so that a transfer electric field is generated only on a part being in press-contact with the recording paper, on the surface of the pressurizing conductive sheet 32 and not generated on the part not being in press-contact with the recording paper. Since the transfer electric field is not generated on the part not being in press-contact with the recording paper, the scattering of the conductive magnetic toner can be suppressed as much as possible and the sharp image can be formed on the recording paper.</description><edition>6</edition><language>eng</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; MAGNETOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950117&DB=EPODOC&CC=JP&NR=H0713447A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950117&DB=EPODOC&CC=JP&NR=H0713447A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAMURA TORU</creatorcontrib><title>IMAGE FORMING DEVICE</title><description>PURPOSE:To obtain an image forming device capable of suppressing the scattering of conductive magnetic toner to utmost, being miniaturized and obtaining a shape image by fitting a pressurizing conductive sheet to the surface of a transfer roller. 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Since the transfer electric field is not generated on the part not being in press-contact with the recording paper, the scattering of the conductive magnetic toner can be suppressed as much as possible and the sharp image can be formed on the recording paper.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS |
| title | IMAGE FORMING DEVICE |
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