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1. WO2016017115 - DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Publication Number WO/2016/017115
Publication Date 04.02.2016
International Application No. PCT/JP2015/003673
International Filing Date 22.07.2015
IPC
G03G 15/08 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
G03G 15/09 2006.01
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
09using magnetic brush
CPC
G03G 15/0812
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0806on a donor element, e.g. belt, roller
0812characterised by the developer regulating means, e.g. structure of doctor blade
G03G 15/0815
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0806on a donor element, e.g. belt, roller
0815characterised by the developer handling means after the developing zone and before the supply, e.g. developer recovering roller
G03G 15/0877
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0822Arrangements for preparing, mixing, supplying or dispensing developer
0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit
G03G 15/0889
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0822Arrangements for preparing, mixing, supplying or dispensing developer
0887Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
0889for agitation or stirring
G03G 15/0896
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
0896Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
G03G 15/0921
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
06for developing
08using a solid developer, e.g. powder developer
09using magnetic brush
0921Details concerning the magnetic brush roller structure, e.g. magnet configuration
Applicants
  • CANON KABUSHIKI KAISHA [JP]/[JP]
Inventors
  • BABA, Daisuke
  • NOGUCHI, Bunro
  • YOSHIDA, Nobuyoshi
  • FUKUSHIMA, Naoki
  • MATSUSHITA, Shunsuke
Agents
  • ABE, Takuma
Priority Data
2014-15430529.07.2014JP
2014-16755720.08.2014JP
2014-19011818.09.2014JP
2014-19630726.09.2014JP
2015-13591107.07.2015JP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
(FR) DISPOSITIF DE DÉVELOPPEMENT, CARTOUCHE DE TRAITEMENT ET APPAREIL DE FORMATION D'IMAGE
Abstract
(EN)
To suppress reduction in image density occurring when an image of a high printing ratio is printed on many sheets. A toner concentration in a developing chamber varied by adding toner to developer through rotational circulation of a magnetic particle can be set to a specified range by using a regulating member that regulates a movement of the magnetic particle.
(FR)
L'invention vise à supprimer la réduction de densité d'image se produisant lorsqu'une image d'un rapport d'impression élevé est imprimée sur de nombreuses feuilles. Une concentration de toner dans une chambre de développement modifiée en ajoutant du toner à un développeur par la circulation en rotation d'une particule magnétique peut être ajustée à une plage spécifiée à l'aide d'un élément de régulation qui régule le mouvement de la particule magnétique.
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