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51. 发明专利

JP2007264599A Development apparatus and image forming apparatus 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2007264599A
公开(公告)日：2007-10-11
申请号：JP2007002255
申请日：2007-01-10
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： MATSUURA MASAHIKO , UETAKE SHIGEO , MAEYAMA KENJI , HIRAYAMA JIYUNYA , NATSUHARA TOSHIYA
IPC分类号： G03G15/08 , G03G9/08 , G03G9/10 , G03G15/06
CPC分类号： G03G15/0808 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To provide a development apparatus and an image forming apparatus that prevent the reduction of density or the occurrence of residual images (ghost images) and can carry out good image forming over a long period, in a development apparatus of the hybrid method using a two-component developer. SOLUTION: The development apparatus has the feature that the surfaces of the toner supporting member and the developer supporting member move in a mutually opposite direction at the part that they are opposite to each other, and the electric field in the closest part of the opposing portion applied in a direction to recover the toner from the toner supporting member to the developer supporting member is in the range from 2.5×10 6 V/m to 5×10 6 V/m, and the share (PD) of the developer in the space of the closest part of the opposing portion satisfies the relationship of the formula (1):0.09≤PD≤650×Dss. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题：提供一种显影装置和图像形成装置，其在显影装置中防止密度的降低或残留图像的发生（重影图像）并且可以长时间地进行良好的图像形成的混合方法使用双组分显影剂。解决方案：显影装置的特征在于，调色剂支撑构件和显影剂支撑构件的表面在它们彼此相对的部分处沿相反的方向移动，并且最近部分的电场将调色剂从调色剂支撑构件回收到显影剂支撑构件的方向上施加的相对部分在2.5×10 -6 / V至5×10 6 / SP> V / m，并且在相对部分的最接近部分的空间中的显影剂的份额（PD）满足式（1）：0.09≤PD≤650×Dss的关系。版权所有（C）2008，JPO＆INPIT

52. 发明专利

JP2007163990A Developing device and image forming apparatus equipped with developing device 有权
标题翻译：具有开发装置的开发装置和图像形成装置
公开(公告)号：JP2007163990A
公开(公告)日：2007-06-28
申请号：JP2005362381
申请日：2005-12-15
申请人： Sharp Corp , シャープ株式会社
发明人： AKETO SHUICHI
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G2215/0609 , G03G2215/0822 , G03G2215/0838
摘要： PROBLEM TO BE SOLVED: To provide a developing device in which a supplied toner is sufficiently agitated and dispersed to make toner density uniform and uniformly charge the toner. SOLUTION: The developing device (10) is equipped with a developer container (9), which contains a developer (2) consisting of a toner and a carrier, a developer bearing body (11) carrying the developer, and agitating and conveying members (15, 16) which circulate and convey the developer while mixing and agitating the developer along the axis of rotation of the developer bearing body. The developer container comprises a developing region part (19) facing the developer bearing body and an extension region part (20) provided adjacently to the developing region part along the axis of the developer bearing body and is provided with a developer dam member (18) which partitions off the developing region part and extension region part, wherein a link part of the dam member between the developing region part and extension region part is provided with opening/closing valves (30a, 30b) which are opened in a developer conveying direction. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，其中供应的调色剂被充分搅拌和分散，使得调色剂浓度均匀并对调色剂进行均匀充电。解决方案：显影装置（10）装备有显影剂容器（9），其包含由调色剂和载体组成的显影剂（2），承载显影剂的显影剂承载体（11），并且搅拌和输送构件（15,16），其沿着显影剂承载体的旋转轴线混合并搅拌显影剂，循环并输送显影剂。显影剂容器包括面向显影剂承载体的显影区域部分（19）和沿着显影剂承载体的轴线与显影区域部分相邻设置的延伸区域部分（20），并且设置有显影剂阻挡部件（18）其隔开显影区域部分和延伸区域部分，其中在显影区域部分和延伸区域部分之间的阻挡部件的连接部分设置有在显影剂输送方向上打开的开/关阀（30a，30b）。版权所有（C）2007，JPO＆INPIT

53. 发明专利

JP2007086093A Image forming apparatus, process cartridge and image forming method 有权
标题翻译：图像形成装置，过程盒和图像形成方法
公开(公告)号：JP2007086093A
公开(公告)日：2007-04-05
申请号：JP2005271172
申请日：2005-09-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TOMITA MASAMI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/10 , G03G15/08
CPC分类号： G03G15/0879 , G03G15/0874 , G03G15/0877 , G03G2215/0609 , G03G2215/0682
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus in which charging property of toner in a developing device is kept uniform and which can give stable images over a prolonged period of time. SOLUTION: The image forming apparatus 100 comprises: an image carrier 1; the developing device 10; a developer replenishing device 200 for replenishing a developer to the developing device 10; and a developer housing container 230 which houses the developer replenished to the developing device 10, wherein the abundance ratio between toner and carrier in the developer housing container is 80:20 to 95:5, the developer housing container 230 has a flexible baggy member 231 which reduces its volume in accordance with reduction in internal pressure, and the developer satisfies a relationship of the formula (1): A≤0.01×B-0.2, wherein A is porosity obtained from the tap density of the toner; and B is fluidity (sec/50 g) in the case of a coverage of 50% of the carrier by the toner. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其中显影装置中的调色剂的充电性能保持均匀并且可以在长时间内给出稳定的图像。图像形成装置100包括：图像载体1; 显影装置10; 用于将显影剂补充到显影装置10的显影剂补充装置200; 和显影剂容纳容器230，其容纳显影剂装置10中补充的显影剂，其中显影剂容纳容器中调色剂和载体之间的丰度比为80:20至95:5，显影剂容纳容器230具有柔性的袋状构件231 其根据内部压力的降低而减小其体积，并且显影剂满足式（1）：A≤0.01×B-0.2的关系，其中A是根据调色剂的振实密度获得的孔隙率; 在通过调色剂覆盖载体的50％的情况下，B是流动性（sec / 50g）。版权所有（C）2007，JPO＆INPIT

54. 发明专利

JP2007033768A Developing device, process cartridge, and image forming apparatus 有权
标题翻译：开发设备，过程盒和图像形成装置
公开(公告)号：JP2007033768A
公开(公告)日：2007-02-08
申请号：JP2005215804
申请日：2005-07-26
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： OMICHI YUKI , KURODA KATSUYOSHI
IPC分类号： G03G15/08
CPC分类号： G03G15/0812 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To provide a developing device whose durability can be improved by preventing a powder smoke preventive sheet from being peeled off from a restriction plate during use. SOLUTION: The developing device according to the present invention has a casing 13, the restriction plate 30 screwed together to the casing 13 with a screw 60, the powder smoke preventive sheet 13, and a backup member 50. The backup member 50 holds a fixed end part of the powder smoke preventive sheet 40 together with the restriction plate 30. Thus, the backup member 50 suppresses peeling off of the powder smoke preventive sheet 40 from the restriction plate 30 and even when the powder smoke preventive sheet 40 is prevented from being peeled off from the restriction member 30 even when used in contact with the powder smoke preventive sheet 40 while curved. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，其可以通过防止粉末防烟片在使用期间从限制板剥离而提高其耐久性。解决方案：根据本发明的显影装置具有壳体13，限制板30用螺钉60，防尘片13和支撑构件50与壳体13一起拧紧。支撑构件50 与限制板30一起保持粉末防烟片40的固定端部。因此，支撑构件50抑制防止粉末防止片40从限制板30的剥离，并且即使当粉末防烟片40是即使在与粉末防烟片40同时弯曲的情况下使用时也防止其从限制部件30剥离。版权所有（C）2007，JPO＆INPIT

55. 发明专利

JP2006301459A Developing device 有权
标题翻译：开发设备
公开(公告)号：JP2006301459A
公开(公告)日：2006-11-02
申请号：JP2005125775
申请日：2005-04-22
申请人： Sharp Corp , シャープ株式会社
发明人： DEGUCHI MASANOBU , KOYAMA KAZUYA , SUDO TERUTAKA
IPC分类号： G03G15/08
CPC分类号： G03G15/0808 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To provide a developing device equipped with an agitating supply means which improves agitating performance for a developer and can supply the developer to a developing roller uniformly along the length of the developing roller. SOLUTION: The developing device 21 mounted on an electrophotographic image forming apparatus is equipped with a rotary shaft member 24 which rotates on an axis, a plurality of blade support members 25 provided crossing the axis of the rotation of the rotary shaft member 24, and the agitating supply means 23 which includes a plurality of blade members 26 provided between blade support members 25 around the axis of rotation of the rotary shaft member 24 while extending along the axis of rotation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有搅拌供应装置的显影装置，其提高显影剂的搅拌性能，并且可以将显影剂沿着显影辊的长度均匀地供给显影辊。解决方案：安装在电子照相成像设备上的显影装置21配备有沿轴线旋转的旋转轴构件24，与旋转轴构件24的旋转轴线交叉设置的多个叶片支撑构件25 以及搅拌供给装置23，其包括多个叶片构件26，其设置在围绕旋转轴构件24的旋转轴线的叶片支撑构件25之间，同时沿着旋转轴线延伸。版权所有（C）2007，JPO＆INPIT

56. 发明专利

JP2006139014A Image forming apparatus and process cartridge 审中-公开
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2006139014A
公开(公告)日：2006-06-01
申请号：JP2004327816
申请日：2004-11-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIYAMOTO SATOSHI , YASUDA OSAMU
IPC分类号： G03G9/113 , G03G9/08 , G03G9/087 , G03G15/06 , G03G15/08
CPC分类号： G03G15/0907 , G03G9/0819 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus and a process cartridge in which a failure such as toner flying-off does not occur, not only in the initial stages but even with the lapse of time, so that a prolonged service life of a two-component developer is achieved. SOLUTION: A gap between an image carrier 21 and a developer carrier 23a is set to 0.3±0.1 mm. A carrier having a resin coating layer on a core material surface is used as a carrier C. The resin coating layer contains conductive particles formed by disposing a conductive coating layer comprising a tin dioxide layer and an indium oxide layer on a base particle surface so that an oil absorption value attains to 10-300 ml/100 g. Toner having a binder resin containing a hybrid resin comprising a vinyl polymer and a polyester polymer is used. The content of the hybrid resin to the content of a release agent is adjusted to a range of 0.5-3. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种图像形成装置和处理盒，其中不仅在初始阶段，即使随着时间的流逝也不会发生诸如调色剂飞落的故障，使得延长实现双组分显影剂的使用寿命。解决方案：图像载体21和显影剂载体23a之间的间隙设定为0.3±0.1mm。使用在芯材表面上具有树脂涂层的载体作为载体C.树脂被覆层包含通过在基体颗粒表面上设置包含二氧化锡层和氧化铟层的导电性涂层而形成的导电性粒子，使得油吸收值达到10-300ml / 100g。使用具有包含乙烯基聚合物和聚酯聚合物的混合树脂的粘合剂树脂的调色剂。将混合树脂与脱模剂的含量的比例调整为0.5〜3的范围。版权所有（C）2006，JPO＆NCIPI

57. 发明专利

JP2006106625A Developing device, process cartridge, and image forming apparatus 有权
标题翻译：开发设备，过程盒和图像形成装置
公开(公告)号：JP2006106625A
公开(公告)日：2006-04-20
申请号：JP2004296756
申请日：2004-10-08
申请人： Canon Inc , キヤノン株式会社
发明人： INAMI SATOSHI , BABA DAISUKE , KATO MASAHITO
IPC分类号： G03G15/08 , G03G9/08
CPC分类号： G03G15/0812 , G03G2215/0609 , G03G2215/0634
摘要： PROBLEM TO BE SOLVED: To provide a technique by which charging property of a developer is made uniform and negative ghost caused in the initial stage of use of a device is improved, and no defective image is caused. SOLUTION: In a developing device in which a lubricant is spread on the contact part of a developing sleeve 10 and a developing blade 9 in a state where toner is not present in the main unit of the device before starting use of the main unit of the device, the lubricant is composed of polymer particles of two or more sorts, polymer particles of at least one sort are spherical polymer particles having an average circularity of ≥0.90 and a polarity reverse to that of toner used, and polymer particles of at least another sort are scale-shaped amorphous polymer particles having the same polarity as that of the toner. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使显影剂的充电性能均匀并且在初始使用装置中引起的负重影度提高的技术，并且不会引起有缺陷的图像。解决方案：在开始使用主体之前，在显影套筒10和显影刮板9的接触部分上分散润滑剂的显影装置中，在调色剂不存在于装置主体中的状态下装置的单位，润滑剂由两种以上的聚合物颗粒组成，至少一种的聚合物颗粒是平均圆形度≥0.90的极性和与使用的调色剂的极性相反的极性的球形聚合物颗粒，至少另一种是具有与调色剂相同极性的鳞片状无定形聚合物颗粒。版权所有（C）2006，JPO＆NCIPI

58. 发明专利

JP2006091183A Developing device and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2006091183A
公开(公告)日：2006-04-06
申请号：JP2004274154
申请日：2004-09-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NODA AKIHIKO , MATSUOKA HIROTAKA , KUBO TSUTOMU
IPC分类号： G03G15/09 , G03G9/08 , G03G9/10 , G03G15/08
CPC分类号： G03G15/0921 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To obtain high developing efficiency while preventing carrier adhesion even under environmental variation, and to achieve a sufficient toner density latitude. SOLUTION: A two-component development roll is made opposite to a photoreceptor while moving a surface of the roll in a direction reverse to the rotation direction of the photoreceptor, poles repelling each other (upstream and downstream poles) are formed in a development region, and a peak of one (downstream pole) of the poles repelling each other faces to a marginal position on a downstream side in a region where at least the photoreceptor and a developer come in contact with each other (development region). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得高的显影效率，同时防止载体粘附，即使在环境变化下，并且获得足够的调色剂浓度纬度。解决方案：将双组分显影辊与感光体相对，同时在与感光体的旋转方向相反的方向上移动辊的表面，在相互之间排斥的电极（上游和下游极）形成在显影区域，并且至少感光体和显影剂彼此接触（显影区域）的区域中，排斥的极的一个（下游极）的峰面向下游侧的边缘位置。版权所有（C）2006，JPO＆NCIPI

59. 发明专利

JP2005156639A Developing device and electrostatic recording device using the same 审中-公开
标题翻译：使用其的显影装置和静电记录装置
公开(公告)号：JP2005156639A
公开(公告)日：2005-06-16
申请号：JP2003391312
申请日：2003-11-20
申请人： Ricoh Printing Systems Ltd , リコープリンティングシステムズ株式会社
发明人： MABUCHI HIROYUKI
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0853 , G03G15/0893 , G03G2215/0609 , G03G2215/0827
摘要： PROBLEM TO BE SOLVED: To provide a developing device which prevents the inner side of a recording device from being stained with suspended toner. SOLUTION: The developing device is configured to satisfy an expression (1) of (W×(Tc/100)+M)/(W+M)≤Tmax/100, where W(g) is an amount of a developer transported by one pitch of a transporting member 36b such as an auger, M(g) is an amount of toner supplied by one pitch while the developer transported by the one pitch passes through a supply area of a toner supply roller 38, Tc is developer toner density (%) detected by a toner density sensor 45, and Tmax is mixture limit toner density (%). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种防止记录装置的内侧被悬浮调色剂污染的显影装置。解决方案：显影装置被配置为满足（W×（Tc / 100）+ M）/（W + M）≤Tmax/ 100的表达式（1），其中W（g）由螺旋推运器M（g）等输送部件36b的一个间距输送的显影剂是在以一个间距输送的显影剂通过调色剂供应辊38的供给区域时，由一个间距供给的调色剂量，Tc为由调色剂浓度传感器45检测的显影剂调色剂浓度（％），Tmax为混合液限制调色剂浓度（％）。版权所有（C）2005，JPO＆NCIPI

60. 发明专利

JP2005091797A Developing method and developing device 审中-公开
标题翻译：开发方法和开发设备
公开(公告)号：JP2005091797A
公开(公告)日：2005-04-07
申请号：JP2003325531
申请日：2003-09-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOIKE TAKAYUKI , TAKEUCHI NOBUTAKA , IWATA NOBUO , MURAMATSU SATOSHI , MATSUMOTO JUNICHI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08 , G03G15/09
CPC分类号： G03G15/0812 , G03G2215/0609
摘要： PROBLEM TO BE SOLVED: To provide a developing method with which sufficient image density can be kept by stably keeping the pumped amount of toner even when copy processes are repeated for a long period of time, scattering of the toner or contamination on the base can be prevented, and further, an image with high picture quality having excellent graininess of a halftone image can be stably obtained, and a developing device. SOLUTION: The amount M1 of a developer pumped by a developing sleeve 76 and regulated by a doctor blade 78 to reflux, and the amount M2 of the developer passing over the doctor blade 78 (pumped amount) are in the relation of M1/M2 COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使在长时间重复复印过程的情况下也可以通过稳定地保持调色剂的泵送量来保持足够的图像浓度的显影方法，调色剂的飞散或污染物的散射并且可以稳定地获得具有优良的半色调图像纹理性的图像质量高的图像和显影装置。解决方案：由显影套筒76泵送并由刮刀78调节回流的显影剂的量M1和通过刮刀78的显影剂的量M2（泵送量）与M1 / M2 <10。调色剂是负电荷调色剂，并且在相对于整个调色剂的电荷分布中含有≤20％的具有≥-1fc /10μm电荷的调色剂颗粒。版权所有（C）2005，JPO＆NCIPI

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