公开(公告)号：US20060251451A1

公开(公告)日：2006-11-09

申请号：US10540562

申请日：2005-04-26

申请人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G9/0821 ,  G03G15/2021 ,  G03G15/2039 ,  G03G2215/00772 ,  G03G2215/2006

摘要： To provide a fixing method and a fixing device with each of which an image which has high gloss that is uniform irrespective of a toner mounting amount on a recording medium can be obtained at a relatively high recording medium conveying speed. A fixing method and a fixing device in which an unfixed toner image formed on a recording medium is heat-pressure-fixed by using a fixing unit, are characterized in that: the unfixed toner image is fixed when the recording medium passes through at least 2 fixing units arranged in series in a conveying direction of the recording medium; a toner for forming the unfixed toner image is a toner containing a release agent; and the following formulas (1) and (2) are satisfied when a maximum temperature on the recording medium when the recording medium passes through a first fixing unit is denoted by T1, a maximum temperature on the recording medium when the recording medium passes through a second fixing unit is denoted by T2, a minimum temperature on the recording medium during a time period commencing on ejection of the recording medium from the first fixing unit and ending on entry of the recording medium into the second fixing unit is denoted by t, a flow tester softening temperature of the toner is denoted by Ts, and a flow starting temperature of the toner is denoted by Tfb. T1>Tfb  formula (1) T2>t>Ts  formula (2)

摘要翻译： 为了提供一种定影方法和定影装置，可以以相对较高的记录介质传送速度获得各自具有与记录介质上的调色剂安装量无关的高光泽度均匀的图像的定影方法和定影装置。 其中通过使用定影单元热压固定在记录介质上形成的未定影调色剂图像的定影方法和定影装置的特征在于：当记录介质通过至少2个时，未定影的调色剂图像是固定的 在记录介质的传送方向上串联布置的固定单元; 用于形成未定影调色剂图像的调色剂是含有脱模剂的调色剂; 当记录介质通过第一定影单元时记录介质上的最高温度由记录介质通过的记录介质的最高温度T1表示时，满足下式（1）和（2） 第二定影单元由T2表示，在从第一定影单元喷射记录介质并且在记录介质进入第二定影单元之后结束的时间段期间，记录介质上的最小温度由t表示，a 调色剂的流量计软化温度由Ts表示，调色剂的流动开始温度由Tfb表示。 <？in-line-formula description =“In-line Formulas”end =“lead”？> T1> Tfb formula（1）<？in-line-formula description =“In-line Formulas”end =“tail”？ > <？in-line-formula description =“In-line Formulas”end =“lead”？> T2> t> Ts formula（2）<？in-line-formula description =“In-line Formulas”end =“ 尾巴“？>

公开(公告)号：US20060008723A1

公开(公告)日：2006-01-12

申请号：US11225064

申请日：2005-09-14

申请人： Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Takayuki Itakura ,  Naoki Okamoto ,  Koh Ishigami ,  Yoshinobu Baba ,  Hirohide Tanikawa

发明人： Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Takayuki Itakura ,  Naoki Okamoto ,  Koh Ishigami ,  Yoshinobu Baba ,  Hirohide Tanikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09725

摘要： The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The present invention provides a toner for forming a full-color image which includes at least toner particles containing a binder resin, a colorant and a wax, and inorganic fine particles, wherein the binder resin comprises a resin having polyester units which is synthesized by use of an aromatic carboxylic acid titanium compound as a catalyst, and the inorganic fine particles comprise fine titanium oxide particles.

摘要翻译： 本发明提供一种改善着色剂在调色剂颗粒中的分散性的调色剂，并且颜色再现性优异，包括颜色混合性和透明度。 调色剂在充电性的长期稳定性方面也是优异的，并且能够形成保持高图像质量的图像。 本发明提供一种用于形成全色图像的调色剂，其至少包括含有粘合剂树脂，着色剂和蜡的调色剂颗粒和无机细颗粒，其中粘合剂树脂包括通过使用合成的具有聚酯单元的树脂 的芳族羧酸钛化合物作为催化剂，无机细颗粒包含细小的氧化钛颗粒。

公开(公告)号：US20050244737A1

公开(公告)日：2005-11-03

申请号：US11114058

申请日：2005-04-26

申请人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

发明人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/09 ,  G03G2215/00957

摘要： An image forming method and an image forming apparatus are disclosed in which an electrostatic latent image is formed on a photosensitive member surface by using a two-component developer including a toner and carrier. The photosensitive member surface has a specific modulus of elastic deformation and includes a charge transport layer with a specific thickness. The toner has a specific weight-average particle diameter. The carrier has a specific volume-average particle diameter and a specific circularity, and contains 20% by number or less of particles having a value of “average circularity−2 σ” where σ is standard deviation of carrier circularity.

摘要翻译： 公开了一种图像形成方法和图像形成装置，其中通过使用包括调色剂和载体的双组分显影剂在感光构件表面上形成静电潜像。 感光构件表面具有比弹性变形模量，并且包括具有特定厚度的电荷输送层。 调色剂具有特定的重均粒径。 载体具有比体积平均粒径和特定的圆形度，并且包含20个数量或更少的具有“平均圆形度2西格玛”值的颗粒，其中σ是载体圆度的标准偏差。

公开(公告)号：US07983581B2

公开(公告)日：2011-07-19

申请号：US10540562

申请日：2005-04-26

申请人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G9/0821 ,  G03G15/2021 ,  G03G15/2039 ,  G03G2215/00772 ,  G03G2215/2006

摘要： A fixing method and a fixing device is provided in which an unfixed toner image formed on a recording medium is heat-pressure-fixed by using a fixing unit, wherein the unfixed toner image is fixed when the recording medium passes through at least two fixing units arranged in series in a conveying direction of the recording medium. Specific relations are satisfied between a maximum temperature on the recording medium when the recording medium passes through a first fixing unit, a maximum temperature on the recording medium when the recording medium passes through a second fixing unit, a minimum temperature on the recording medium during a time period commencing on ejection of the recording medium from the first fixing unit and ending on entry of the recording medium into the second fixing unit and properties of the toner.

摘要翻译： 提供一种定影方法和定影装置，其中通过使用定影单元对形成在记录介质上的未定影调色剂图像进行热压固定，其中当记录介质通过至少两个固定单元时，未定影的调色剂图像是固定的 在记录介质的传送方向上串联布置。 当记录介质通过第一定影单元时记录介质上的最高温度，当记录介质通过第二定影单元时记录介质上的最高温度，记录介质通过第二定影单元时的最低温度， 从第一定影单元喷射记录介质并且在记录介质进入第二定影单元时结束的时间段和调色剂的特性。

公开(公告)号：US07396629B2

公开(公告)日：2008-07-08

申请号：US11114058

申请日：2005-04-26

申请人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

发明人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

IPC分类号： G03G15/08

CPC分类号： G03G15/09 ,  G03G2215/00957

摘要： An image forming method and an image forming apparatus are disclosed in which an electrostatic latent image is formed on a photosensitive member surface by using a two-component developer including a toner and carrier. The photosensitive member surface has a specific modulus of elastic deformation and includes a charge transport layer with a specific thickness. The toner has a specific weight-average particle diameter. The carrier has a specific volume-average particle diameter and a specific circularity, and contains 20% by number or less of particles having a value of “average circularity−2σ” where σ is standard deviation of carrier circularity.

摘要翻译： 公开了一种图像形成方法和图像形成装置，其中通过使用包括调色剂和载体的双组分显影剂在感光构件表面上形成静电潜像。 感光构件表面具有比弹性变形模量，并且包括具有特定厚度的电荷输送层。 调色剂具有特定的重均粒径。 载体具有比体积平均粒径和特定圆形度，并且包含20个数量或更少的具有“平均圆形度-2σ”值的颗粒，其中σ是载体圆形度的标准偏差。

公开(公告)号：US20050238988A1

公开(公告)日：2005-10-27

申请号：US11107736

申请日：2005-04-18

申请人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G9/08 ,  G03G13/16 ,  G03G15/01 ,  G03G15/14 ,  G03G15/16

CPC分类号： G03G15/161 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G15/162

摘要： In an image forming method having primarily transferring step for transferring to an intermediate transfer member a toner image formed on a photosensitive member, secondarily transferring step for transferring to a transfer material the toner image held on the intermediate transfer member, and, after the secondary transferring step, cleaning step for removing the toner remaining on the intermediate transfer member by bringing a cleaning means into contact with the intermediate transfer member, the cleaning means is a fur brush or a charging roller, and the intermediate transfer member has a specific maximum displacement quantity (Sb) and has a specific elastic deformation percentage (Eb) (%); a toner which forms the toner image has a specific average circularity, has a specific maximum displacement quantity (St), and has a specific elastic deformation percentage (Et) (%); and the elastic deformation percentage of the intermediate transfer member and the elastic deformation percentage of the toner satisfy the following conditional expression: 75≦Eb+Et≦135.

摘要翻译： 在一种图像形成方法中，主要传送步骤用于转印到中间转印部件上，形成在感光部件上的调色剂图像，二次转印步骤，用于转印到转印材料上，保持在中间转印部件上的调色剂图像，以及二次转印 通过使清洁装置与中间转印部件接触来除去残留在中间转印部件上的调色剂的清洁步骤，清洁装置是毛刷或充电辊，中间转印部件具有特定的最大位移量 （Sb），具有比弹性变形率（Eb）（％）。 形成调色剂图像的调色剂具有特定的平均圆形度，具有特定的最大位移量（St），并且具有特定的弹性变形百分比（Et）（％）; 并且中间转印部件的弹性变形百分比和调色剂的弹性变形百分比满足以下条件表达式：<？in-line-formula description =“In-line formula”end =“lead”？> 75 <= Eb + Et <= 135。<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US07396626B2

公开(公告)日：2008-07-08

申请号：US11225064

申请日：2005-09-14

申请人： Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Takayuki Itakura ,  Naoki Okamoto ,  Koh Ishigami ,  Yoshinobu Baba ,  Hirohide Tanikawa

发明人： Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Takayuki Itakura ,  Naoki Okamoto ,  Koh Ishigami ,  Yoshinobu Baba ,  Hirohide Tanikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09725

摘要： The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The present invention provides a toner for forming a full-color image which includes at least toner particles containing a binder resin, a colorant and a wax, and inorganic fine particles, wherein the binder resin comprises a resin having polyester units which is synthesized by use of an aromatic carboxylic acid titanium compound as a catalyst, and the inorganic fine particles comprise fine titanium oxide particles.

摘要翻译： 本发明提供一种改善着色剂在调色剂颗粒中的分散性的调色剂，并且颜色再现性优异，包括颜色混合性和透明度。 调色剂在充电性的长期稳定性方面也是优异的，并且能够形成保持高图像质量的图像。 本发明提供一种用于形成全色图像的调色剂，其至少包括含有粘合剂树脂，着色剂和蜡的调色剂颗粒和无机细颗粒，其中粘合剂树脂包括通过使用合成的具有聚酯单元的树脂 的芳族羧酸钛化合物作为催化剂，无机细颗粒包含细小的氧化钛颗粒。

公开(公告)号：US07381515B2

公开(公告)日：2008-06-03

申请号：US11107736

申请日：2005-04-18

申请人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G13/16

CPC分类号： G03G15/161 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G15/162

摘要： In an image forming method having primarily transferring step for transferring to an intermediate transfer member a toner image formed on a photosensitive member, secondarily transferring step for transferring to a transfer material the toner image held on the intermediate transfer member, and, after the secondary transferring step, cleaning step for removing the toner remaining on the intermediate transfer member by bringing a cleaning means into contact with the intermediate transfer member, the cleaning means is a fur brush or a charging roller, and the intermediate transfer member has a specific maximum displacement quantity (Sb) and has a specific elastic deformation percentage (Eb) (%); a toner which forms the toner image has a specific average circularity, has a specific maximum displacement quantity (St), and has a specific elastic deformation percentage (Et) (%); and the elastic deformation percentage of the intermediate transfer member and the elastic deformation percentage of the toner satisfy the following conditional expression: 75≦Eb+Et≦135.

摘要翻译： 在一种图像形成方法中，主要传送步骤用于转印到中间转印部件上，形成在感光部件上的调色剂图像，二次转印步骤，用于转印到转印材料上，保持在中间转印部件上的调色剂图像，以及二次转印 通过使清洁装置与中间转印部件接触来除去残留在中间转印部件上的调色剂的清洁步骤，清洁装置是毛刷或充电辊，并且中间转印部件具有特定的最大位移量 （Sb），具有比弹性变形率（Eb）（％）。 形成调色剂图像的调色剂具有特定的平均圆形度，具有特定的最大位移量（St），并且具有特定的弹性变形百分比（Et）（％）; 并且中间转印部件的弹性变形百分比和调色剂的弹性变形百分比满足以下条件表达式：<？in-line-formula description =“In-line formula”end =“lead”？> 75 <= Eb + Et <= 135。<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US07272348B2

公开(公告)日：2007-09-18

申请号：US11114080

申请日：2005-04-26

申请人： Naoki Okamoto ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nobuyoshi Sugahara ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Naoki Okamoto ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nobuyoshi Sugahara ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G15/09

CPC分类号： G03G9/0821 ,  G03G15/0921

摘要： A developing method using a developing device including at least: a first developer bearing member arranged to be opposed to an image bearing member; and a second developer bearing member arranged on a downstream side of a rotation direction of the image bearing member with respect to the first developer bearing member, the developing method including developing a latent image formed on the image bearing member with a developer, in which: the developer is a two-component developer having toner and a magnetic carrier; and the developer has a degree of compression C in the range of 20 to 32% and a shearing stress obtained by shearing stress measurement under a consolidation load of 4.0×10−4 N/mm2 in the range of 0.5×10−4 to 2.5×10−4 N/mm2.

摘要翻译： 一种使用显影装置的显影方法，所述显影装置至少包括：布置成与图像承载部件相对的第一显影剂承载部件; 以及第二显影剂承载部件，其相对于所述第一显影剂承载部件配置在所述图像承载部件的旋转方向的下游侧，所述显影方法包括使用显影剂使形成在所述图像承载部件上的潜像显影，其中： 显影剂是具有调色剂和磁性载体的双组分显影剂; 并且显影剂的压缩度C在20至32％的范围内，并且通过在4.0×10 -4 N / mm 2的固结载荷下剪切应力测量获得的剪切应力， / SUP>在0.5×10 -4至2.5×10 -4 N / mm 2范围内。

公开(公告)号：US20050238392A1

公开(公告)日：2005-10-27

申请号：US11114080

申请日：2005-04-26

申请人： Naoki Okamoto ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nobuyoshi Sugahara ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Naoki Okamoto ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nobuyoshi Sugahara ,  Yoshinobu Baba ,  Takayuki Itakura

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

CPC分类号： G03G9/0821 ,  G03G15/0921

摘要： The present invention relates to a developing method using a developing device including at least: a first developer bearing member arranged to be opposed to an image bearing member; and a second developer bearing member arranged on a downstream side of a rotation direction of the image bearing member with respect to the first developer bearing member, the developing method including developing a latent image formed on the image bearing member with a developer, in which: the developer is a two-component developer having toner and a magnetic carrier; and the developer has a degree of compression C in the range of 20 to 32% and a shearing stress obtained by shearing stress measurement under a consolidation load of 4.0×10−4 N/mm2 in the range of 0.5×10−4 to 2.5×10−4 N/mm2.

摘要翻译： 本发明涉及一种使用显影装置的显影方法，所述显影装置至少包括：布置成与图像承载部件相对的第一显影剂承载部件; 以及第二显影剂承载部件，其相对于所述第一显影剂承载部件配置在所述图像承载部件的旋转方向的下游侧，所述显影方法包括使用显影剂使形成在所述图像承载部件上的潜像显影，其中： 显影剂是具有调色剂和磁性载体的双组分显影剂; 并且显影剂的压缩度C在20至32％的范围内，并且通过在4.0×10 -4 N / mm 2的固结载荷下剪切应力测量获得的剪切应力， / SUP>在0.5×10 -4至2.5×10 -4 N / mm 2范围内。