公开(公告)号：US06248491B1

公开(公告)日：2001-06-19

申请号：US09666555

申请日：2000-09-21

申请人： Hitoshi Takayanagi ,  Minoru Nomura ,  Takashi Ito ,  Kenichi Hirabayashi ,  Yukiko Soma ,  Toshiro Kogawara ,  Toyomi Hashizume ,  Kazuo Itoya

发明人： Hitoshi Takayanagi ,  Minoru Nomura ,  Takashi Ito ,  Kenichi Hirabayashi ,  Yukiko Soma ,  Toshiro Kogawara ,  Toyomi Hashizume ,  Kazuo Itoya

IPC分类号： G03G9087

CPC分类号： G03G9/0827 ,  G03G9/08755 ,  G03G9/08795

摘要： The present invention provides a polyester resin toner which has good fixing properties and is superior in image quality in a heat roller fixation system without employing an anti-offset solution, and which has a spherical or generally spherical shape and has a small particle diameter, and a method of producing the same. In a toner for electrostatic image development comprising a binder resin and a colorant, said binder resin is made of a polyester resin. Furthermore, the weight-average molecular weight as measured by gel permeation chromatography of a tetrahydrofuran-soluble fraction of said polyester resin contained in the toner is 30,000 or more and the weight-average molecular weight/number-average molecular weight is 12 or more and, moreover, the area ratio of a molecular weight of 600,000 or more is 0.5% or more and the area ratio of a molecular weight of 10,000 or less is within a range of 20-80%. The toner for electrostatic image development has a spherical or generally spherical shape having the average circularity (average value of circularity defined by (perimeter of a circle having the same area as that of a projected area of particles)/(perimeter of a projected image of particles)) of 0.97 or more.

摘要翻译： 本发明提供一种聚酯树脂调色剂，其具有良好的定影性能，并且在不使用防偏移溶液的热辊定影系统中具有优异的图像质量，并且具有球形或大致球形并且具有小的粒径，以及 其制造方法。 在包含粘合剂树脂和着色剂的用于静电图像显影的调色剂中，所述粘合剂树脂由聚酯树脂制成。 此外，通过凝胶渗透色谱法测定调色剂中所含的所述聚酯树脂的四氢呋喃可溶部分的重均分子量为30,000以上，重均分子量/数均分子量为12以上， 此外，分子量为600,000以上的面积比为0.5％以上，分子量为10,000以下的面积比在20〜80％的范围内。 用于静电图像显影的调色剂具有平均圆形度的球形或大致球形形状（由圆周的平均值（具有与颗粒的投影面积相同的面积的圆的周长）/（投影图像的周长） 颗粒））为0.97以上。

公开(公告)号：US5885743A

公开(公告)日：1999-03-23

申请号：US979786

申请日：1997-11-26

申请人： Hitoshi Takayanagi ,  Hiroko Sakurai ,  Kazuo Itoya ,  Kinji Shinzo ,  Yukiko Soma ,  Kenichi Hirabayashi ,  Koichiro Matsuki ,  Minoru Nomura ,  Takashi Ito ,  Hiroyuki Ohminato

发明人： Hitoshi Takayanagi ,  Hiroko Sakurai ,  Kazuo Itoya ,  Kinji Shinzo ,  Yukiko Soma ,  Kenichi Hirabayashi ,  Koichiro Matsuki ,  Minoru Nomura ,  Takashi Ito ,  Hiroyuki Ohminato

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/093

CPC分类号： G03G9/08711 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/09716

摘要： Disclosed are an electrophotographic toner which is a spherical particle comprising a binder resin having encapsulated therein a colorant and has a volume average particle size of from 3 to 12 .mu.m, the binder resin being a non-crosslinked styrene-acrylic resin having an acid value of from 30 to 120, containing from 5 to 60% by weight of the components having a molecular weight in terms of polystyrene by gel permeation chromatography of 200,000 or more and having a ratio (Mw/Mn) of the weight-average molecular weight Mw to the number-average molecular weight Mn of from 4 to 30; and a process for preparing an electrophotographic toner comprising spherical particles having a volume average grain size of from 3 to 12 .mu.m, the process comprising mixing a mixture comprising the above-described resin, a colorant, a wax and an organic solvent as essential components with an aqueous medium in the presence of a neutralizer in an amount sufficiently large to render the resin self-emulsifiable to effect phase inversion emulsification, thereby producing particles each comprising a binder resin having encapsulated therein a colorant and a wax in the liquid medium, and separating and drying the particles. The toner obtained by the present invention is improved in the thermal fixing characteristics and the environmental stability of charging, exhibits a wide fixing temperature width at the heated roll fixing and has excellent triboelectricity.

摘要翻译： 公开了一种电子照相调色剂，其为包含粘合剂树脂的球形颗粒，其中包含着色剂，其体积平均粒度为3至12μm，粘合剂树脂为具有酸值的非交联苯乙烯 - 丙烯酸树脂 为30〜120，含有5〜60重量％的通过凝胶渗透色谱法测定的聚苯乙烯换算成分的成分为20万以上，重均分子量Mw（Mw / Mn） 数均分子量Mn为4〜30; 以及一种制备电荷调色剂的方法，该电子照相调色剂包含体积平均粒度为3至12μm的球形颗粒，该方法包括将包含上述树脂，着色剂，蜡和有机溶剂的混合物作为必要组分 在中和剂存在下的水性介质，其量足够大以使树脂自乳化以实现相转化乳化，从而产生各自包含在其中包含着色剂和蜡在液体介质中的粘合剂树脂的颗粒，以及 分离和干燥颗粒。 通过本发明获得的调色剂在热定影特性和充电的环境稳定性方面得到改善，在加热辊定影时具有宽的定影温度宽度，并且具有优异的摩擦电性。

公开(公告)号：US6017670A

公开(公告)日：2000-01-25

申请号：US90333

申请日：1998-06-04

申请人： Toyomi Hashizume ,  Shoji Okuno ,  Yukiko Soma ,  Hitoshi Takayanagi ,  Minoru Nomura ,  Takashi Ito ,  Hiroyuki Ohminato

发明人： Toyomi Hashizume ,  Shoji Okuno ,  Yukiko Soma ,  Hitoshi Takayanagi ,  Minoru Nomura ,  Takashi Ito ,  Hiroyuki Ohminato

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097

CPC分类号： G03G9/0821 ,  G03G9/0819 ,  G03G9/08711 ,  G03G9/09716

摘要： An electrophotographic toner having a volume-average particle diameter of from 3 to 15 .mu.m. The toner comprises a spherical particulate material having an average circularity of not less than 0.97 having a colorant encapsulated in a binder resin. The binder resin is a styrene-acrylic resin having an acid value of from 30 to 150 which is at least partly crosslinked. The tetrahydrofuran insoluble content in the whole of the binder resin including crosslinkd portions in the particulate material is from 0.5 to 70% by weight.

摘要翻译： 体积平均粒径为3〜15μm的电子照相调色剂。 调色剂包含平均圆形度不小于0.97的球形颗粒材料，其具有包封在粘合剂树脂中的着色剂。 粘合剂树脂是至少部分交联的酸值为30至150的苯乙烯 - 丙烯酸树脂。 包括颗粒材料中的交联部分的整个粘结剂树脂中的四氢呋喃不溶物含量为0.5至70重量％。

公开(公告)号：US06203957B1

公开(公告)日：2001-03-20

申请号：US09239823

申请日：1999-01-29

申请人： Minoru Nomura ,  Hitoshi Takayanagi ,  Kenichi Hirabayashi ,  Takashi Ito ,  Kazuo Itoya ,  Masahiro Yoshida

发明人： Minoru Nomura ,  Hitoshi Takayanagi ,  Kenichi Hirabayashi ,  Takashi Ito ,  Kazuo Itoya ,  Masahiro Yoshida

IPC分类号： G03G1306

CPC分类号： G03G9/0902 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/097

摘要： A spherically particulate toner characterized by a volume-average particle diameter of from 1 to 6 &mgr;m, a colorant content of not less than 9.1% by weight, particularly not less than 5% by weight when the colorant is an organic chromatic pigment, based on the total weight of the binder resin and colorant used and an average circularity (average of circularity defined by (perimeter of circle having the same area as the projected area of particle)/(perimeter of the projected image of particle)) of not less than 0.98. The spherically particulate toner according to the present invention gives an excellent image quality and can be consumed in a drastically reduced amount per sheet of printing paper. By predetermining the particle size distribution of spherical toner particles and the added amount of inorganic oxide fine particles to optimum values, the image quality can be further improved.

摘要翻译： 一种球形颗粒状调色剂，其特征在于体积平均粒径为1至6μm，当着色剂为有机彩色颜料时，着色剂含量不低于9.1重量％，特别是不低于5重量％，基于 所使用的粘合剂树脂和着色剂的总重量和平均圆形度（圆周度（由颗粒的投影面积相同面积的圆的周长）/（颗粒的投影图像的周长））的平均值不小于 0.98。 根据本发明的球形颗粒调色剂具有优异的图像质量，并且可以以每张打印纸大幅减少的量消耗。 通过将球形调色剂颗粒的粒度分布和无机氧化物微粒的添加量预先确定为最佳值，可以进一步提高图像质量。

公开(公告)号：US06821697B2

公开(公告)日：2004-11-23

申请号：US09791860

申请日：2001-02-26

申请人： Hitoshi Takayanagi ,  Takashi Ito ,  Kenichi Hirabayashi ,  Toyomi Hashizume

发明人： Hitoshi Takayanagi ,  Takashi Ito ,  Kenichi Hirabayashi ,  Toyomi Hashizume

IPC分类号： G03G9087

CPC分类号： G03G9/08793 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner for electrostatic image development made of a polyester resin having a spherical or generally spherical shape, which allows the use of a so-called oilless fixation system capable of fixing, without employing an anti-offset solution as a heat roller fixation system, and which also provides a developed image having excellent quality. The toner comprises a binder resin and a colorant. The flow beginning temperature Tfb of the toner is 90° C. or higher and 120° C. or lower, the T1/2 temperature exceeds 120° C. and is 160° C. or lower, and the flow ending temperature T end is 130° C. or higher and 170° C. or lower. The toner has a spherical or generally spherical shape having an average roundness of 0.97 or more. The toner can be produced by phase inversion at a low shear within a range of 0.2-5 m/second employing an added alcohol solvent.

摘要翻译： 一种用于静电图像显影的调色剂，其由具有球形或大致球形的聚酯树脂制成，其允许使用能够固定的所谓无油固定系统，而不使用防偏移溶液作为热辊定影系统，以及 这也提供了具有优良品质的开发图像。 调色剂包括粘合剂树脂和着色剂。 调色剂的流动开始温度Tfb为90℃以上且120℃以下，T1 / 2温度超过120℃，为160℃以下，流动结束温度T端为 130℃以上且170℃以下。 调色剂具有平均圆度为0.97以上的球形或大致球形。 调色剂可以通过使用加入的醇溶剂在0.2-5m /秒的范围内的低剪切下进行相转化来制备。

公开(公告)号：US06183924B2

公开(公告)日：2001-02-06

申请号：US09256311

申请日：1999-02-24

申请人： Minoru Nomura ,  Takashi Ito ,  Hitoshi Takayanagi ,  Kazuo Itoya

发明人： Minoru Nomura ,  Takashi Ito ,  Hitoshi Takayanagi ,  Kazuo Itoya

IPC分类号： G03G909

CPC分类号： G03G9/08 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/0904 ,  G03G9/10

摘要： The present invention provides a novel developer comprising a spherically particulate toner having a volume-average particle diameter of from about 1 to 6 &mgr;m for use in the development of electrostatic image in electrophotographic copying machines or printers having a colorant content of from 8 to 20% by weight, if the colorant is carbon black, or from 3 to 20% by weight, if the colorant is an organic pigment, based on the sum of the weight of binder resin and colorant and a resin-coated carrier having a volume-average particle diameter of from 20 to 150 &mgr;m. The present invention also provides a suitable polymerization or emulsification process for the preparation of a particulate toner to be incorporated in the developer. The use of the electrostatic image developer makes it possible to not only improve the quality of images provided by copying machines or printers but also realize drastic reduction of the amount of toner to be consumed per sheet of printing paper.

摘要翻译： 本发明提供了一种新型显影剂，其包含体积平均粒径为约1至6μm的球形颗粒调色剂，用于显影静电复印机或着色剂含量为8至20％的印刷机中的静电图像， ，如果着色剂为炭黑，或3至20重量％，如果着色剂是有机颜料，则基于粘合剂树脂和着色剂的重量和具有体积平均值的树脂涂布的载体之和 粒径为20〜150μm。 本发明还提供了合适的聚合或乳化方法，用于制备掺入显影剂中的颗粒调色剂。 静电图像显影剂的使用使得不仅可以提高复印机或打印机提供的图像的质量，而且可以大大减少每张打印纸要消耗的调色剂的量。

公开(公告)号：US6127083A

公开(公告)日：2000-10-03

申请号：US239822

申请日：1999-01-29

申请人： Minoru Nomura ,  Takashi Ito ,  Hitoshi Takayanagi ,  Kazuo Itoya

发明人： Minoru Nomura ,  Takashi Ito ,  Hitoshi Takayanagi ,  Kazuo Itoya

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G13/08 ,  G03G15/08

CPC分类号： G03G13/08

摘要： A non-magnetic one-component development process is provided which comprises supplying a developer onto a photoreceptor using a non-magnetic one-component developing machine comprising at least a developer-supporting roll and a layer-forming blade so that an electrostatic latent image on said photoreceptor is developed, characterized in that as said developer there is used a spherically particulate toner having a volume-average particle diameter of from 1 to 6 .mu.m and the amount of said toner to be attached to said developer-supporting roll is from 0.1 mg/cm.sup.2 to 0.45 mg/cm.sup.2. In accordance with the process of the present invention, the image quality can be drastically improved while drastically reducing the consumed amount of the toner. In particular, by predetermining the colorant content in the spherically particulate toner to be used in the development process of the present invention to not less than 8% by weight, if the colorant is carbon black, or not less than 3% by weight, if the colorant is an organic pigment, the image quality can be further improved. Further, by optimizing the circularity, particle size distribution, added amount of inorganic material fine particles and other conditions of the spherically particulate toner, the image quality can be even further improved.

摘要翻译： 提供一种非磁性单组分显影方法，其包括使用非磁性单组分显影机将显影剂供应到感光体上，所述非磁性单组分显影机至少包括显影剂支撑辊和层形成刮板，使得静电潜像 所述感光体被开发，其特征在于，作为所述显影剂，使用体积平均粒径为1至6μm的球形颗粒调色剂，并且所述显影剂负载辊附着的调色剂的量为0.1 mg / cm 2至0.45mg / cm 2。 根据本发明的方法，可以显着地提高图像质量，同时显着降低调色剂的消耗量。 特别地，通过将​​本发明的显影方法中使用的球形颗粒调色剂中的着色剂含量预先确定为不小于8重量％，如果着色剂为炭黑，或不小于3重量％，则如果 着色剂是有机颜料，可以进一步提高图像质量。 此外，通过优化圆形度，粒度分布，无机材料微粒的添加量等球状颗粒调色剂的其他条件，可以进一步提高图像质量。

公开(公告)号：US08731783B2

公开(公告)日：2014-05-20

申请号：US14005682

申请日：2012-03-12

申请人： Shunsuke Hayakawa ,  Toshiro Maeda ,  Hitoshi Takayanagi ,  Yoshimasa Asano ,  Takashi Kawato ,  Morio Sakai

发明人： Shunsuke Hayakawa ,  Toshiro Maeda ,  Hitoshi Takayanagi ,  Yoshimasa Asano ,  Takashi Kawato ,  Morio Sakai

IPC分类号： B60R22/00

CPC分类号： B60K11/085 ,  Y02T10/88

摘要： An open/close actuating mechanism control device for a vehicle includes: an actuating mechanism (24, 30) that is exposed to outside air and that opens or closes on the basis of whether a predetermined condition is satisfied; an open/close failure determining unit (32) that determines whether an open/close failure of the actuating mechanism (24, 30), in which the actuating mechanism (24, 30) fails to open or close, has occurred; an outside air temperature detecting unit (26, 32) that detects an outside air temperature; and a determination timing changing unit (32) that changes timing, at which the open/close failure determining unit (32) determines that the open/close failure of the actuating mechanism (24, 30) has occurred, on the basis of the outside air temperature detected by the outside air temperature detecting unit (26, 32).

摘要翻译： 用于车辆的打开/关闭致动机构控制装置包括：致动机构（24,30），其被暴露于外部空气并且基于是否满足预定条件来打开或关闭; 确定是否发生了致动机构（24,30）未能打开或关闭的致动机构（24,30）的打开/关闭故障的打开/关闭故障确定单元（32） 外部空气温度检测单元（26,32），其检测外部空气温度; 以及确定定时改变单元，其改变所述打开/关闭故障确定单元（32）基于外部确定所述致动机构（24,30）的打开/关闭故障已经发生的定时 由外部空气温度检测单元（26,32）检测到的空气温度。

公开(公告)号：US20140005896A1

公开(公告)日：2014-01-02

申请号：US14005088

申请日：2012-03-13

申请人： Koichi Hirota ,  Yoshimasa Asano ,  Hitoshi Takayanagi ,  Masayuki Nomura ,  Tatsuya Shimizu ,  Hironori Kanasaki

发明人： Koichi Hirota ,  Yoshimasa Asano ,  Hitoshi Takayanagi ,  Masayuki Nomura ,  Tatsuya Shimizu ,  Hironori Kanasaki

IPC分类号： B60K11/04

CPC分类号： B60K11/08 ,  B60K11/085 ,  F01P7/12 ,  F01P11/10 ,  F01P2031/00 ,  G06F1/00 ,  Y02T10/88

摘要： A grille shutter control device is provided with a control section configured so as to open and close a shutter adapted to be provided in an air introduction path for introducing air ahead of the vehicle into an engine compartment. The grille shutter control device drives and controls first and second drive units. The grille shutter control device is provided with: an abnormality detecting section configured to detect an abnormality in the operation of the shutter on the basis of the condition of the shutter after the start of operation thereof; and an informing section for informing, on the basis of an abnormality in the operation detected by the abnormality detection section, the user of the abnormality in the operation of the shutter.

摘要翻译： 格栅快门控制装置设置有控制部，该控制部构造成打开和关闭适于设置在空气引入路径中的挡板，用于将车辆前方的空气引入发动机室。 格栅快门控制装置驱动和控制第一和第二驱动单元。 格栅快门控制装置设置有：异常检测部，被配置为基于其开始操作之后的快门的状态来检测快门的操作中的异常; 以及通知部，用于基于由异常检测部检测到的操作的异常，通知用户操作快门的异常。

公开(公告)号：US20080296943A1

公开(公告)日：2008-12-04

申请号：US12097052

申请日：2005-12-12

申请人： Koichi Hirota ,  Hitoshi Takayanagi

发明人： Koichi Hirota ,  Hitoshi Takayanagi

IPC分类号： A47C7/38

CPC分类号： B60N2/865 ,  B60N2/002 ,  B60N2/0224 ,  B60N2/888

摘要： A head rest rear portion is supported to a seat back. A head rest front portion is movable forward and backward between a full-close position that is brought into contact with or close to the head rest rear portion and a full-open position that is a predetermined distance away from the head rest rear portion. A drive mechanism moves the head rest front portion. A detection sensor provided in the head rest front portion includes an electrode having a head portion detecting antenna electrode for detecting a head portion of an occupant at a time when the head rest front portion moves in the full-open position direction, and a finger detecting antenna electrode for detecting a finger of the occupant in a rear seat or the like at a time when the head rest front portion moves in the full-close position direction.

摘要翻译： 头枕后部支撑在座椅靠背上。 头枕前部可在与头枕后部接触或靠近头枕后部的完全关闭位置和远离头枕后部的预定距离的全开位置之间向前和向后移动。 驱动机构使头枕前部移动。 设置在头枕前部的检测传感器包括：电极，其具有头部检测用天线电极，用于在头枕前部沿全开位置方向移动时检测乘员的头部;以及手指检测 天线电极，用于在头枕前部在全关位置方向上移动时检测后座椅等中的乘员的手指。