公开(公告)号：JP2009031607A

公开(公告)日：2009-02-12

申请号：JP2007196665

申请日：2007-07-27

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  ADACHI KATSUMI

IPC: G03G15/02

Abstract: PROBLEM TO BE SOLVED: To provide an ion generating element that has a long life, a manufacturing method for the ion generating element, a charging device that has a long life, and an image forming apparatus that has the charging device. SOLUTION: In the ion generating element 21, a discharge electrode 1 is disposed so as to be embedded in a dielectric 4, and the surface of the discharge electrode 1, except for a surface that is in contact with the dielectric 4, is covered with a coating layer. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供使用寿命长的离子产生元件，用于离子产生元件的制造方法，具有长寿命的充电装置和具有充电装置的图像形成装置。 解决方案：在离子产生元件21中，放电电极1设置成嵌入电介质4中，除了与电介质4接触的表面之外，放电电极1的表面， 被覆层覆盖。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008251514A

公开(公告)日：2008-10-16

申请号：JP2007161907

申请日：2007-06-19

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  DOSHODA HIROSHI

IPC: H01T23/00 ,  A61L9/22 ,  G03G21/00 ,  H01T19/04

Abstract: PROBLEM TO BE SOLVED: To provide an electronic apparatus capable of sufficiently restraining volatile chemical substances such as a VOC and an odor, and preventing the outside surface of the electronic apparatus, the peripheral wall of the electronic apparatus and the like from being easily soiled. SOLUTION: A color complex machine 100 is provided with an ion generator 20 removing volatile chemical substances such as a VOC and an odor from an atmosphere by generating ions in the atmosphere. This ion generator 20 is arranged in a duct 21 guiding volatile chemical substances generated from a fixing unit 15 to exhaust openings 24a and 24b, and can thereby efficiently remove the volatile chemical substances. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够充分地抑制VOC和气味等挥发性化学物质的电子设备，并且防止电子设备的外表面，电子设备的周壁等 容易弄脏 解决方案：彩色复合机100设置有离子发生器20，通过在大气中产生离子从气氛除去挥发性化学物质如VOC和气味。 该离子发生器20配置在管道21中，导管从定影单元15产生的挥发性化学物质排出开口24a和24b，从而有效地除去挥发性化学物质。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008197576A

公开(公告)日：2008-08-28

申请号：JP2007035394

申请日：2007-02-15

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI

IPC: G03G15/20

Abstract: PROBLEM TO BE SOLVED: To provide an external heating type fixing device capable of stably operating support rollers and to provide an image forming apparatus provided with the fixing device. SOLUTION: The fixing device 10 is provided with an external heating member 29, and two support rollers 33a and 33b provided on the external heating member 29 are configured so that the rotational torque T1 of the support roller 33a on the upstream side in the rotational direction of a fixing roller 25 is smaller than the rotational torque T2 of the support roller 33b on the downstream side in the rotational direction of the fixing roller 25, in the two support rollers 33a and 33b. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够稳定地操作支撑辊并提供具有定影装置的图像形成装置的外部加热型定影装置。 解决方案：定影装置10设置有外部加热构件29，并且设置在外部加热构件29上的两个支撑辊33a和33b被构造成使得上游侧的支撑辊33a的旋转扭矩T1 在两个支撑辊33a和33b中，定影辊25的旋转方向小于定影辊25的旋转方向下游侧的支撑辊33b的旋转扭矩T2。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008191343A

公开(公告)日：2008-08-21

申请号：JP2007024787

申请日：2007-02-02

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  ASAKURA KENJI

IPC: G03G15/20 ,  B29C65/82 ,  F16C13/00

Abstract: PROBLEM TO BE SOLVED: To solve the problem that the test result is significantly different from the actual use conditions of the fixing roller since a fixing roller is heated without applying a mechanical stress to the fixing roller, so that the evaluation result by the test is not high in reliability, and to accurately evaluate the fixing roller in a short period of time.
SOLUTION: In a method of evaluating the fixing roller, which is configured in the fixing device of an image forming apparatus, the fixing roller to be evaluated is composed of: a metal core; an elastic layer which is formed on the circumference of the metal core and made of an elastic material; and a resin layer which is formed on the circumference of the elastic layer and made of fluorinated resin, wherein part of the fixing roller is cut out including the elastic layer and the resin layer, as a sample, the cut-out sample is placed on the heating surface of a hot plate, and a load is acted on the sample. Further, the heating surface is set to a predetermined temperature X(°C), so that the sample is heated in such a state that the load acts on the sample. After this heating, it is confirmed whether or not the resin layer is peeled from the elastic layer, in the sample.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题为了解决由于定影辊被加热而不对定影辊施加机械应力，测试结果与定影辊的实际使用条件显着不同的问题，使得评估结果由 该测试的可靠性不高，并且能够在短时间内精确地评估定影辊。 解决方案：在图像形成装置的定影装置中配置的定影辊的评价方法中，评价用定影辊由金属芯构成， 弹性层，其形成在金属芯的圆周上并由弹性材料制成; 以及树脂层，其形成在弹性层的周围并由氟化树脂制成，其中定影辊的部分切除包括弹性层和树脂层作为样品，将切出的样品放置在 热板的加热表面和负载作用在样品上。 此外，将加热面设定为规定温度X（℃），使样品在载荷作用在样品上的状态下被加热。 在该加热之后，确认样品中树脂层是否从弹性层剥离。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008003326A

公开(公告)日：2008-01-10

申请号：JP2006172927

申请日：2006-06-22

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： TATEISHI YOSHINOBU ,  NANBA TOYOAKI ,  HORI HIROAKI ,  KAGAWA TOSHIAKI ,  MITSUOKA TETSUNORI

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  G03G2215/2019

Abstract: PROBLEM TO BE SOLVED: To provide a fixing device equipped with a pair comprising a heating roller and a pressure roller for holding recording paper between them and heating it, while conveying it, a circumferential surface contact member that contacts the circumferential surface of the heating roller, a circumferential surface heating heater for heating the circumferential surface contact member by energization, a contact member temperature sensor for detecting the temperature of the circumferential surface contact member, and a temperature control part for controlling the maximum temperature of the circumferential surface contact member, according to the number of recording paper conveyed per unit time. SOLUTION: In an image forming device having a plurality of printing speeds, supply of heat to external heating parts is controlled appropriately, suppressing deterioration of the external heating part, when printing is performed at a low speed. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种具有一对的包括加热辊和加压辊的固定装置，用于在它们之间保持记录纸并加热，同时传送它;周向表面接触构件，其与圆周表面接触 加热辊，用于通过通电加热圆周面接触构件的周面加热加热器，用于检测周面接触构件的温度的接触构件温度传感器和用于控制周面接触的最高温度的温度控制部 会员，按照单位时间传送的记录纸的数量。 解决方案：在具有多个打印速度的图像形成装置中，适当地控制向外部加热部件的供热，抑制当以低速进行打印时外部加热部件的劣化。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007316618A

公开(公告)日：2007-12-06

申请号：JP2007111009

申请日：2007-04-19

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  SHINKAWA KOJI ,  SAKUWA TORU

IPC: G03G15/02

CPC classification number: G03G15/0233

Abstract: PROBLEM TO BE SOLVED: To obtain an image forming apparatus in which a charging roller charges an image carrier to which a lubricant is applied, and which prevents slip of the charging roller.
SOLUTION: The charging roller 2 is composed by forming a rubber layer 22 mainly made of an epichlorohydrin rubber around a metal core 21. A surface of this rubber layer 22 is hardened with a surface treating solution containing an isocyanate compound. The surface of the rubber layer 22 is also subjected to three abrading processes including two, stone grinding processes and one lapping process so that a ten-point height of irregularities Rz thereof becomes 11μm or more.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了获得一种图像形成装置，其中充电辊对施加有润滑剂的图像载体充电，并且防止充电辊的滑动。 解决方案：充电辊2通过在金属芯21周围形成主要由表氯醇橡胶制成的橡胶层22构成。该橡胶层22的表面用含有异氰酸酯化合物的表面处理溶液硬化。 橡胶层22的表面也经受三次研磨处理，其中包括二次石磨和一次研磨处理，使其十点高度的凹凸Rz变为11μm以上。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006154708A

公开(公告)日：2006-06-15

申请号：JP2005049635

申请日：2005-02-24

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MAEDA TOSHIHIRO ,  KAGAWA TOSHIAKI ,  IDE ATSUSHI ,  HORI HIROAKI ,  YOKOTA SHOGO

IPC: G03G15/20

Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of image misregistration in a fixing device having a plurality of fixing nip parts formed therein. SOLUTION: A toner image on a recording paper passing a first nip part disposed nearest to the paper entrance side, out of the first nip part formed by pressing a belt 44 to a fixing roller 41 with a pressure roller 42, a second nip part formed by pressing the belt 44 to the fixing roller 41 with a peeling roller 43, and a virtual nip part which is brought into contact with the fixing roller between the first and second nip parts but doesn't have a pressing force given thereto, is heated up to a state free from low-temperature offset. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了防止在其中形成有多个定影夹持部的定影装置中发生图像重合。 解决方案：记录纸上的调色剂图像通过最靠近纸张入口侧设置的第一夹持部分，从通过用压力辊42将定影辊41压紧到第一辊隙部分而形成的第一辊隙部分，第二 通过用剥离辊43将带44压向定影辊41而形成的夹持部分以及与第一和第二夹持部之间的定影辊接触但不具有给定压力的虚拟夹持部 ，被加热到没有低温偏移的状态。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005172966A

公开(公告)日：2005-06-30

申请号：JP2003409634

申请日：2003-12-08

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  KIDA YUJI ,  YAMANAKA TAKASHI ,  MITSUOKA TETSUNORI ,  INOUE TATSUYA

IPC: G03G21/00 ,  G03G15/20 ,  G03G21/14 ,  G03G21/20

Abstract: PROBLEM TO BE SOLVED: To provide a fixing device capable of restraining an image defect due to soiling by toner caused by the blowoff of the toner or the like at the warm-up time, and an electrophotographic image forming apparatus using the fixing device. SOLUTION: The fixing device is equipped with a fixing roller 231 abutting on the toner image forming surface of recording paper P and including heater lamps 234 and 235, a pressure roller 232 abutting on the surface opposite to the toner image forming surface of the recording paper P, and an external heating roller 233 abutting on the pressure roller 232 and including a heater lamp 236. In the device, the rotation of the fixing roller 231 and the pressure roller 232 is started after the temperature of the fixing roller 231 attains prescribed target temperature exceeding temperature lower than control temperature at the time of fixing operation by 50°C, for example, temperature equal to the control temperature at the time of fixing operation at the warm-up time. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 解决问题的方案：提供一种定影装置，其能够在预热时由于调色剂等的吹出而抑制由于调色剂而引起的图像缺陷，以及使用该固定装置的电子照相图像形成装置 设备。 解决方案：定影装置配备有与记录纸P的调色剂图像形成表面邻接并包括加热灯234和235的定影辊231，邻接在与调色剂图像形成表面相对的表面上的压力辊232 记录纸P和与加压辊232邻接并包括加热灯236的外部加热辊233.在该装置中，定影辊231和加压辊232的旋转在定影辊231的温度之后开始 达到规定的目标温度超过在定影操作50℃时的控制温度以下的温度，例如与预热时间下的定影操作时的控制温度相同的温度。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2005142023A

公开(公告)日：2005-06-02

申请号：JP2003377027

申请日：2003-11-06

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  YAMAJI HIROYUKI

IPC: G03G15/20 ,  H05B6/06 ,  H05B6/14 ,  H05B6/40 ,  H05B11/00

Abstract: PROBLEM TO BE SOLVED: To provide a heating arrangement capable of speedily reducing unevenness of temperatures on the surface of a heating member when moving from a standby state to an operating state, an image forming device equipped with the heating arrangement, and a heating method of the heating arrangement. SOLUTION: This heating arrangement 12 is provided with a heating roller 31, an induction heating means 37, and a pressurizing member 32 heated by a heating member 33. The induction heating means 37 and the pressurizing member 32 form three heating regions on the surface of the heating roller 31 by partially heating the peripheral surface of the heating roller. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种加热装置，其能够在从备用状态向运转状态移动时，快速地减少加热部件的表面的温度不均匀性，配备有加热装置的图像形成装置，以及 加热装置的加热方式。 解决方案：该加热装置12设置有加热辊31，感应加热装置37和由加热构件33加热的加压构件32.感应加热装置37和加压构件32在三个加热区域上形成三个加热区域 加热辊31的表面通过部分加热加热辊的周面。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2005062335A

公开(公告)日：2005-03-10

申请号：JP2003290307

申请日：2003-08-08

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KAGAWA TOSHIAKI ,  KAMEI YUKIKAZU

IPC: G03G15/20 ,  G03G15/16 ,  G03G15/24

Abstract: PROBLEM TO BE SOLVED: To secure sufficient fixing strength and to achieve speeding up in warming up and reduction in power consumption, even when attached quantity of toner is reduced.
SOLUTION: A color toner image T is carried to a heating region X of an intermediate transfer belt 21 by a heating roll 22 along with the rotational movement of the intermediate transfer belt 21, melted by heat in the heating region X of the intermediate transfer belt 21, maintained at 125°C and furthermore, carried to a transfer fixing nip region N between a press roll 23 and a heat roll 22. In addition, recording paper P is fed between the intermediate transfer belt 21 and the press roll 23 at the carrying timing of the heat-melted toner image T. Thus, the heat-melted toner image T is transferred and fixed on the recording paper P.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：为了确保足够的固定强度，并且即使当调色剂的附着量减少时，预热和降低功率消耗也能实现加速。 解决方案：彩色调色剂图像T通过加热辊22与中间转印带21的旋转运动一起被传送到中间转印带21的加热区域X，并在中间转印带21的加热区域X中被加热熔化 中间转印带21，保持在125℃，此外，被承载到压辊23和加热辊22之间的转印定影辊隙区域N.另外，记录纸P被供给到中间转印带21和压辊 加热熔融的调色剂图像T的传送时刻，将热熔色调剂图像T转印并固定在记录纸P上。（C）2005，JPO＆NCIPI