公开(公告)号：US07773928B2

公开(公告)日：2010-08-10

申请号：US11743254

申请日：2007-05-02

申请人： Hiromi Ogiyama ,  Junroh Uda ,  Ryuuichi Mimbu

发明人： Hiromi Ogiyama ,  Junroh Uda ,  Ryuuichi Mimbu

IPC分类号： G03G15/14

CPC分类号： G03G15/1675 ,  G03G2215/00654

摘要： A transfer-separation device includes an intermediate transfer unit, a secondary transfer roller, a repulsive roller, a transfer unit, and a charge-eliminating/separating member. The secondary transfer roller and the repulsive roller form a nip through which the intermediate transfer unit and a recording medium pass. The transfer unit applies a bias voltage of a polarity identical to that of a toner image to the repulsive roller to secondarily transfer the toner image onto the recording medium. The charge-eliminating/separating member separates the recording medium from the intermediate transfer unit by removing charge therefrom. The volume resistance of the repulsive roller is greater than that of the secondary transfer roller. The surface resistance of the secondary transfer roller is equal to or greater than 106.5 ohm.

摘要翻译： 转印分离装置包括中间转印单元，二次转印辊，排斥辊，转印单元和电荷消除/分离部件。 二次转印辊和排斥辊形成中间转印单元和记录介质通过的辊隙。 转印单元将与调色剂图像的极性相同的偏置电压施加到排斥辊，以将调色剂图像二次转印到记录介质上。 电荷消除/分离部件通过从中间转印单元除去电荷而将记录介质分离。 排斥辊的体积电阻大于二次转印辊的体积电阻。 二次转印辊的表面电阻等于或大于106.5欧姆。

公开(公告)号：US20070258737A1

公开(公告)日：2007-11-08

申请号：US11743254

申请日：2007-05-02

申请人： Hiromi OGIYAMA ,  Junroh Uda ,  Ryuuichi Mimbu

发明人： Hiromi OGIYAMA ,  Junroh Uda ,  Ryuuichi Mimbu

IPC分类号： G03G15/14

CPC分类号： G03G15/1675 ,  G03G2215/00654

摘要： A transfer-separation device includes an intermediate transfer unit, a secondary transfer roller, a repulsive roller, a transfer unit, and a charge-eliminating/separating member. The secondary transfer roller and the repulsive roller form a nip through which the intermediate transfer unit and a recording medium pass. The transfer unit applies a bias voltage of a polarity identical to that of a toner image to the repulsive roller to secondarily transfer the toner image onto the recording medium. The charge-eliminating/separating member separates the recording medium from the intermediate transfer unit by removing charge therefrom. The volume resistance of the repulsive roller is greater than that of the secondary transfer roller. The surface resistance of the secondary transfer roller is equal to or greater than 106.5 ohm.

摘要翻译： 转印分离装置包括中间转印单元，二次转印辊，排斥辊，转印单元和电荷消除/分离部件。 二次转印辊和排斥辊形成中间转印单元和记录介质通过的辊隙。 转印单元将与调色剂图像的极性相同的偏置电压施加到排斥辊，以将调色剂图像二次转印到记录介质上。 电荷消除/分离部件通过从中间转印单元除去电荷而将记录介质分离。 排斥辊的体积电阻大于二次转印辊的体积电阻。 二次转印辊的表面电阻等于或大于10欧姆欧姆。

公开(公告)号：US08270886B2

公开(公告)日：2012-09-18

申请号：US12073394

申请日：2008-03-05

申请人： Ryuuichi Minbu ,  Hiromi Ogiyama ,  Junroh Uda

发明人： Ryuuichi Minbu ,  Hiromi Ogiyama ,  Junroh Uda

IPC分类号： G03G15/20

CPC分类号： G03G15/162 ,  G03G15/161 ,  G03G15/1685 ,  G03G2215/1614 ,  G03G2215/1623

摘要： In a transfer nip roller operative to transfer an image from an image carrier to a recording medium, a ratio (We3/Wt3)/(We30/Wt30) is 0.47 or more, where We3 is an elastic workload and Wt3 is a total workload measured by applying a load on a covering portion under a load push-in condition of 3 mN/10 seconds, and We30 is an elastic workload and Wt30 is a total workload measured by applying a load on the covering portion under a load push-in condition of 30 mN/10 seconds.

摘要翻译： 在将图像从图像载体传送到记录介质的转印夹持辊中，比例（We3 / Wt3）/（We30 / Wt30）为0.47以上，其中We3是弹性工作量，Wt3是测量的总工作量 通过在3mN / 10秒的负载推入条件下在覆盖部分上施加负载，We30是弹性工作量，Wt30是通过在负载推入条件下对覆盖部分施加负载而测量的总工作量 30 mN / 10秒。

公开(公告)号：US20080232867A1

公开(公告)日：2008-09-25

申请号：US12073394

申请日：2008-03-05

申请人： Ryuuichi Minbu ,  Hiromi Ogiyama ,  Junroh Uda

发明人： Ryuuichi Minbu ,  Hiromi Ogiyama ,  Junroh Uda

IPC分类号： G03G15/14

CPC分类号： G03G15/162 ,  G03G15/161 ,  G03G15/1685 ,  G03G2215/1614 ,  G03G2215/1623

摘要： In a transfer nip roller operative to transfer an image from an image carrier to a recording medium, a ratio (We3/Wt3)/(We30/Wt30) is 0.47 or more, where We3 is an elastic workload and Wt3 is a total workload measured by applying a load on a covering portion under a load push-in condition of 3 mN/10 seconds, and We30 is an elastic workload and Wt30 is a total workload measured by applying a load on the covering portion under a load push-in condition of 30 mN/10 seconds.

摘要翻译： 在将图像从图像载体传送到记录介质的转印压合辊中，比例（We 3 / Wt 3）/（We 30 / Wt 30）为0.47以上，其中，3为弹性工作量，Wt 3是通过在3mN / 10秒的负载推入条件下在覆盖部分上施加负载而测量的总负载，而30是弹性工作量，Wt 30是通过对覆盖物施加负载而测量的总工作负载 负载推入条件为30 mN / 10秒。

公开(公告)号：US20080260438A1

公开(公告)日：2008-10-23

申请号：US11852572

申请日：2007-09-10

申请人： Junroh Uda ,  Sadayuki Iwai

发明人： Junroh Uda ,  Sadayuki Iwai

IPC分类号： G03G21/00

CPC分类号： G03G15/0291 ,  G03G15/0194 ,  G03G2215/0119 ,  G03G2215/026 ,  G03G2215/027

摘要： An image forming apparatus includes a plurality of toner-image forming units. Each toner-image forming unit includes a photosensitive drum and a charging unit that is arranged to abut against or remain detached from the photosensitive drum, and that electrically charges the photosensitive drum. Each of the toner-image forming units forms an image of a different color. At least one of the charging units functions as a corona charging unit and at least another one of the charging units functions as a non-contact charging unit.

摘要翻译： 图像形成装置包括多个调色剂图像形成单元。 每个调色剂图像形成单元包括感光鼓和充电单元，其被布置成抵靠或保持与感光鼓分离，并且对感光鼓进行电荷充电。 每个调色剂图像形成单元形成不同颜色的图像。 至少一个充电单元用作电晕充电单元，并且至少另一个充电单元用作非接触充电单元。

公开(公告)号：US07715761B2

公开(公告)日：2010-05-11

申请号：US11852572

申请日：2007-09-10

申请人： Junroh Uda ,  Sadayuki Iwai

发明人： Junroh Uda ,  Sadayuki Iwai

IPC分类号： G03G15/02 ,  G03G21/16 ,  G03G15/01 ,  G03G21/00

CPC分类号： G03G15/0291 ,  G03G15/0194 ,  G03G2215/0119 ,  G03G2215/026 ,  G03G2215/027

摘要： An image forming apparatus includes a plurality of toner-image forming units. Each toner-image forming unit includes a photosensitive drum and a charging unit that is arranged to abut against or remain detached from the photosensitive drum, and that electrically charges the photosensitive drum. Each of the toner-image forming units forms an image of a different color. At least one of the charging units functions as a corona charging unit and at least another one of the charging units functions as a non-contact charging unit.

摘要翻译： 图像形成装置包括多个调色剂图像形成单元。 每个调色剂图像形成单元包括感光鼓和充电单元，其被布置成抵靠或保持与感光鼓分离，并且对感光鼓进行电荷充电。 每个调色剂图像形成单元形成不同颜色的图像。 至少一个充电单元用作电晕充电单元，并且至少另一个充电单元用作非接触充电单元。