公开(公告)号：US6151476A

公开(公告)日：2000-11-21

申请号：US300522

申请日：1999-04-28

申请人： Takaaki Tsuruya ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Takehiko Suzuki

发明人： Takaaki Tsuruya ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Takehiko Suzuki

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

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： An image forming apparatus has an image bearing member, an intermediary member and a voltage applicator to electrostatically to transfer the toner image from the image bearing member onto the intermediary transfer member and then transfer the image onto a transfer material. The apparatus is operable selectively in a first mode in which toner images of different colors are sequentially and superposedly transferred from the image bearing member onto the intermediary transfer member by the voltage application, and in a second mode in which only a toner image of a first color of the different colors is transferred onto the intermediary transfer member from the image bearing member. An absolute value of the voltage applied to the intermediary transfer member by the voltage applicator is larger when the second mode is selected than when the first mode is selected, when the toner image of the first color is transferred from the image bearing member onto the intermediary transfer member.

摘要翻译： 图像形成装置具有图像承载部件，中间部件和电压施加器，以静电将调色剂图像从图像承载部件转印到中间转印部件上，然后将图像转印到转印材料上。 该设备可选择性地在第一模式中可操作，其中不同颜色的调色剂图像通过施加电压从图像承载部件顺序地并重叠地转印到中间转印部件上，并且在第二模式中，其中只有第一 不同颜色的颜色从图像承载部件转印到中间转印部件上。 当选择第二模式时，与选择第一模式相比，当第一种颜色的调色剂图像从图像承载部件转印到中间体上时，由施加电压施加到中间转印部件的电压的绝对值较大 转移成员。

公开(公告)号：US06088567A

公开(公告)日：2000-07-11

申请号：US124229

申请日：1998-07-29

申请人： Toshiaki Miyashiro ,  Akihiko Takeuchi ,  Takehiko Suzuki ,  Takaaki Tsuruya

发明人： Toshiaki Miyashiro ,  Akihiko Takeuchi ,  Takehiko Suzuki ,  Takaaki Tsuruya

IPC分类号： G03G21/14 ,  G03G15/01 ,  G03G15/16 ,  G03G15/00 ,  G03G15/20

CPC分类号： G03G15/0131 ,  G03G15/0121 ,  G03G15/0173 ,  G03G2215/0177 ,  G03G2215/0196

摘要： In an image forming apparatus a length of a transfer material in a conveying direction thereof is L.sub.p, a length of a toner image transferred onto an intermediate transfer belt in a shifting direction is L.sub.p ', a distance between a first transfer portion t.sub.1 and a second transfer portion t.sub.2 along the shifting direction of the intermediate transfer belt is L.sub.t1-t2 and a distance between the second transfer portion t.sub.2 and a fixing portion fix along the shifting direction of the transfer material is L.sub.t2-fix, so that the following relation is established:L.sub.t1-t2 >L.sub.p ' and L.sub.p >L.sub.t2-fix.After a first transfer is complete and before initiation of a second transfer, the speed of the intermediate transfer belt is decreased, so that, following to the second transfer process at a low speed, the toner image can be fixed onto the transfer material at a low speed. With this arrangement, the distance L.sub.t2-fix between the second transfer portion and the fixing portion is reduced to make the apparatus compact and the reduction of the through-put can be prevented while preventing poor fixing.

摘要翻译： 在图像形成装置中，转印材料在其输送方向上的长度为Lp，转印到中间转印带上的调色剂图像在移动方向上的长度为Lp'，第一转印部分t1和第二转印部分之间的距离 沿着中间转印带的移动方向的转印部t2为Lt1-t2，沿着转印材料的移动方向固定第二转印部t2和固定部之间的距离为Lt2-固定，从而建立以下关系 ：Lt1-t2> Lp'和Lp> Lt2-fix。 在第一次转印完成并且在第二次转印开始之前，中间转印带的速度降低，使得在低速的第二次转印处理之后，调色剂图像可以固定在转印材料上 低速。 通过这种布置，减小了第二转印部分和固定部分之间的距离Lt2固定，使得装置紧凑，并且可以防止通过的减少，同时防止不良的定影。

公开(公告)号：US6097919A

公开(公告)日：2000-08-01

申请号：US218087

申请日：1998-12-22

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

IPC分类号： G03G15/01 ,  G03G15/16

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： In an image forming apparatus according to the present invention, the toner images of the plural colors on the intermediate transfer member are electrostatically transferred to a transfer material, and the image forming charges the toner image of a color, among the toner images of the plural colors formed on the intermediate transfer member, different from the last color in such a manner that the charge amount per unit weight of the toner image of the different color becomes 0.5 to 1.5 times of the charge amount per unit weight of the toner image of the last color, after the formation of the toner image of the last color on the intermediate transfer member and prior to the transfer of the toner images of the plural colors on the intermediate transfer member to the transfer material.

摘要翻译： 在根据本发明的图像形成装置中，中间转印部件上的多种颜色的调色剂图像被静电转印到转印材料上，并且图像形成对多色调色剂图像中的色调剂图像进行充电 在中间转印部件上形成的颜色不同于最后的颜色，使得不同颜色的调色剂图像的每单位重量的电荷量成为每单位重量的调色剂图像的电荷量的0.5至1.5倍 在中间转印部件上形成最后颜色的调色剂图像之后，并且将中间转印部件上的多种调色剂图像转印到转印材料之前。

公开(公告)号：US5953572A

公开(公告)日：1999-09-14

申请号：US905830

申请日：1997-08-04

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya

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

CPC分类号： G03G15/1675 ,  G03G15/1605 ,  G03G2215/0177

摘要： An image forming apparatus includes an image bearing member for bearing an image; an intermediary transfer member onto which an image is transferred from the image bearing member at a first transfer position and from which the image thus transferred is transferred onto a transfer material at a second transfer position; a contact member provided at an image bearing side of the intermediary transfer member, the contact member being capable of forming a nip between the intermediary transfer member; a supporting member for supporting the intermediary transfer member at a position opposite from the nip; a sum of a resistance value of the contact member and a resistance value of the supporting member is not more than 1/10 of a resistance value of the intermediary transfer member; and the contact member and the supporting member are contacted to the intermediary transfer member, and when no transfer material is present at the nip, a voltage is detected while a predetermined current is applied between the contact member and the supporting member through the intermediary transfer member.

摘要翻译： 图像形成装置包括用于承载图像的图像承载部件; 中间转印部件，在第一转印位置从图像承载部件转印图像，并且将这样转印的图像从该转印部件转印到第二转印位置的转印材料上; 设置在所述中间转印部件的图像承载侧的接触部件，所述接触部件能够在所述中间转印部件之间形成辊隙; 支撑构件，用于在与辊隙相对的位置处支撑中间转印构件; 接触构件的电阻值和支撑构件的电阻值的和不大于中间转印构件的电阻值的+ E，fra 1/10 + EE; 并且接触构件和支撑构件与中间转印构件接触，并且当在辊隙处不存在转印材料时，检测到电压，同时通过中间转印构件在接触构件和支撑构件之间施加预定电流 。

公开(公告)号：US06226469B1

公开(公告)日：2001-05-01

申请号：US09128539

申请日：1998-08-04

申请人： Takehiko Suzuki ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

发明人： Takehiko Suzuki ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

IPC分类号： G03G1500

CPC分类号： G03G15/0131 ,  G03G15/162 ,  G03G2215/0119 ,  G03G2215/0177 ,  G03G2215/021

摘要： An image forming apparatus includes an image bearing member, an image forming device for sequentially forming toner images of different colors on the image bearing member, the image forming device including a charging member for electrically charging the image bearing member to a polarity which is the same as a regular charging polarity of the toner. The apparatus also includes an intermediary transfer member having a volume resistivity of 1010-1016&OHgr;·cm, an image transferring device for applying a voltage to the intermediary transfer member to transfer electrostatically, sequentially, and superimposedly the toner images of the different colors formed on the image bearing member by the image forming means onto the intermediary transfer member, wherein toner images on the intermediary transfer member are transferred onto a transfer material, and a control device for controlling a voltage applied to the charging member, the control device controlling the voltage applied to the intermediary transfer member by the image transferring device in accordance with the voltage applied to the charging member.

摘要翻译： 图像形成装置包括图像承载部件，用于在图像承载部件上顺序地形成不同颜色的调色剂图像的图像形成装置，该图像形成装置包括用于将图像承载部件充电至相同极性的充电部件 作为调色剂的常规充电极性。 该装置还包括具有体积电阻率为1010-1016OMEGA.cm的中间转印构件，用于向中间转印构件施加电压以静电，顺序地和叠加地形成在其上的不同颜色的调色剂图像的图像转印装置 图像承载部件通过图像形成装置到中间转印部件上，其中中间转印部件上的调色剂图像被转印到转印材料上，以及用于控制施加到充电部件的电压的控制装置，控制装置控制施加的电压 通过图像传送装置根据施加到充电部件的电压到中间转印部件。

公开(公告)号：US5946538A

公开(公告)日：1999-08-31

申请号：US960737

申请日：1997-10-30

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

IPC分类号： G03G21/14 ,  G03G15/01 ,  G03G15/16 ,  G03G15/14

CPC分类号： G03G15/0131 ,  G03G2215/0177

摘要： An image forming apparatus includes an image bearing member for carrying toner images of different colors; a rotatable intermediary transfer member to which the toner images are superimposedly transferred from said image bearing member onto said intermediary transfer member at a first transfer position, wherein the toner images are then transferred all together from said intermediary transfer member onto the transfer material at a second transfer position; wherein said intermediary transfer member includes an elastic layer having a thickness of 0.5-2 (mm), a coating layer, on said elastic layer, having a volume resistivity which is larger than that of said elastic layer, and said intermediary transfer member satisfies:T.ltoreq..tau..ltoreq.500 (sec)where .tau. (sec) is time required for a potential V of said intermediary transfer member at one second after a surface of said intermediary transfer member charged to a predetermined potential rotates at a rotational speed of 10 (cm/s) to become V/e (e: base of natural logarithm, e=2.71828 . . . ); and T (sec) is a rotation period of said intermediary transfer member when the toner images on said image bearing member are sequentially and superimposedly transferred onto said intermediary transfer member at the first transfer position.

摘要翻译： 图像形成装置包括用于承载不同颜色的调色剂图像的图像承载部件; 可旋转的中间转印部件，其中调色剂图像在第一转印位置处从所述图像承载部件重叠地转印到所述中间转印部件上，其中所述调色剂图像然后在所述中间转印部件上一起从所述中间转印部件转印到转印材料上 转移位置 其特征在于，所述中间转印部件包括在所述弹性层上具有0.5-2（mm）厚度的弹性层，所述弹性层的体积电阻率大于所述弹性层的体积电阻率，所述中间转印部件满足： 其中tau（sec）是所述中间转印部件的电位V在被加载到预定电位的所述中间转印部件的表面以转速旋转后的一秒所需的时间 为10（cm / s）变为V / e（e：自然对数的基数，e = 2.71828 ...）; 并且当所述图像承载部件上的调色剂图像在第一转印位置依次重叠地转印到所述中间转印部件上时，T（秒）是所述中间转印部件的旋转周期。

公开(公告)号：US06385409B2

公开(公告)日：2002-05-07

申请号：US09793613

申请日：2001-02-27

申请人： Takehiko Suzuki ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

发明人： Takehiko Suzuki ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

IPC分类号： G03G1501

CPC分类号： G03G15/0131 ,  G03G15/162 ,  G03G2215/0119 ,  G03G2215/0177 ,  G03G2215/021

摘要： An image forming apparatus includes an image bearing member, image forming device for forming a toner image on the image bearing member, the image forming device including a charging member for electrically charging the image bearing member, an intermediary transfer member, voltage applying device for applying a voltage to send intermediary transfer member to electrically transfer the toner image on the image bearing member formed by the image forming device onto the intermediary transfer member, wherein the toner image on the intermediary transfer member is transferred onto a transfer material, and a controller for controlling the voltage applied to send intermediary transfer member by the voltage applying device in accordance with the voltage applied to the charging member when the voltage applied to the charging member is controlled to change a surface potential of the image bearing member.

摘要翻译： 图像形成装置包括图像承载部件，用于在图像承载部件上形成调色剂图像的图像形成装置，图像形成装置包括用于对图像承载部件充电的充电部件，中间转印部件，施加电压的施加装置 发送中间转印部件以将由图像形成装置形成的图像承载部件上的调色剂图像电转印到中间转印部件上的电压，其中中间转印部件上的调色剂图像被转印到转印材料上，以及控制器 当施加到充电部件的电压被控制以改变图像承载部件的表面电位时，根据施加到充电部件的电压来控制施加到电压施加装置发送中间转印部件的电压。

公开(公告)号：US06947699B2

公开(公告)日：2005-09-20

申请号：US10358177

申请日：2003-02-05

申请人： Masahiro Suzuki ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Atsuyoshi Abe ,  Takaaki Tsuruya ,  Tomonori Shida

发明人： Masahiro Suzuki ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Atsuyoshi Abe ,  Takaaki Tsuruya ,  Tomonori Shida

IPC分类号： G03G15/20

CPC分类号： G03G15/2064

摘要： An image heating apparatus for heating an image formed on a recording material includes a flexible movable member: a supporting member, having a sliding surface for sliding relative to the movable member, for supporting the movable member; a pressing member for forming a nip with the supporting member with the movable member therebetween; wherein the supporting member is provided adjacent the sliding surface with a projection which is projected toward the pressing member beyond the sliding surface, the projection being extended in a longitudinal direction of the supporting member, and wherein the supporting member is provided at a longitudinal end portion with a cut-away portion providing a projection height which is smaller than that of the projection or providing a portion substantially flush with the sliding surface.

摘要翻译： 用于加热形成在记录材料上的图像的图像加热装置包括柔性可移动部件：支撑部件，具有相对于可动部件滑动的滑动面，用于支撑可动部件; 用于与所述支撑构件形成具有所述可动构件的辊隙的按压构件; 其特征在于，所述支撑部件与所述滑动面相邻设置有突出部，所述突起朝向所述按压部件突出超过所述滑动面，所述突起沿所述支撑部件的长度方向延伸，并且所述支撑部件设置在所述支撑部件的纵向端部 具有提供突出高度的切口部分，该突出部分的尺寸小于突起的突出高度，或者提供与滑动表面基本齐平的部分。

公开(公告)号：US06175702B1

公开(公告)日：2001-01-16

申请号：US09053744

申请日：1998-04-02

申请人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

发明人： Akihiko Takeuchi ,  Tatsuya Kobayashi ,  Toshiaki Miyashiro ,  Naoki Enomoto ,  Takaaki Tsuruya ,  Kazuhiro Funatani

IPC分类号： G03G1516

CPC分类号： G03G15/0131 ,  G03G2215/0177 ,  G03G2215/1661

摘要： A color image forming apparatus has developing unit, an image bearing member capable of bearing thereon toner images of plural colors formed by the developing unit, a rotatable intermediate transferring member, transferring unit for transferring the toner images of plural colors on the image bearing member to the intermediate transferring member at a first transferring position in electrostatically superposed relationship with one another, and a charger for charging any residual toner remaining on the intermediate transferring member after the toner images on the intermediate transferring member transferred by the transferring unit have been transferred to a transfer material at a second transferring position to a polarity opposite to the regular charging polarity of the toners in the developing unit. Simultaneously with the next toner image on the image bearing member being transferred to the intermediate transferring member at the first transferring position by the transferring unit, the residual toner charged by the charger is transferred to the image bearing member at the first transferring position by the transferring unit, and the first toner image transferred from the image bearing member to the intermediate transferring member at the first transferring position by the transferring unit is a black toner image.

摘要翻译： 彩色图像形成装置具有显影单元，能够承载由显影单元形成的多种颜色的图像的图像承载部件，可旋转中间转印部件，用于将图像承载部件上的多种颜色的调色剂图像转印到图像承载部件上的转印单元 所述中间转印部件在第一转印位置处于静电重叠的关系中，以及用于在由所述转印单元转印的中间转印部件上的调色剂图像已经转印到所述中间转印部件之后剩余在所述中间转印部件上的任何剩余调色剂的充电器 在第二转印位置将材料转印成与显影单元中的调色剂的常规带电极性相反的极性。 与图像承载部件上的下一个调色剂图像同时由转印单元在第一转印位置转印到中间转印部件的同时，由充电器充电的残留调色剂通过转印而转印到第一转印位置的图像承载部件 并且通过转印单元从图像承载部件转印到第一转印位置的中间转印部件的第一调色剂图像是黑色调色剂图像。

公开(公告)号：US5899610A

公开(公告)日：1999-05-04

申请号：US771306

申请日：1996-12-20

申请人： Naoki Enomoto ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

发明人： Naoki Enomoto ,  Akihiko Takeuchi ,  Toshiaki Miyashiro ,  Takaaki Tsuruya

IPC分类号： G03G15/16 ,  G03G15/01

CPC分类号： G03G15/162 ,  G03G2215/0174 ,  G03G2215/1614

摘要： The present invention provides an image bearing belt wherein a toner image formed on an electrophotographic photosensitive member is temporarily transferred to the image bearing belt and the toner image transferred to the image bearing member is used in a system for transferring the toner image onto a transfer material. It comprises a rubber layer having a thickness of 0.5 mm or more, and a high resistive layer having at a transfer position where the toner image is transferred in an image forming apparatus, a thickness of 100 .mu.m or less and having an average net resistance value greater than that of the rubber layer at that transfer position by ten times or more, thereby forming a good multi toner image.

摘要翻译： 本发明提供了一种图像承载带，其中形成在电子照相感光构件上的调色剂图像暂时转印到图像承载带上，并且转移到图像承载部件的调色剂图像被用于将调色剂图像转印到转印材料 。 它包括厚度为0.5mm以上的橡胶层，以及在图像形成装置中转印有调色剂图像的转印位置，厚度为100μm以下并具有平均净电阻的高电阻层 值大于该转印位置处的橡胶层的十倍以上，从而形成良好的多色调色剂图像。