公开(公告)号：US20060291911A1

公开(公告)日：2006-12-28

申请号：US11514222

申请日：2006-09-01

申请人： Masahide Yamashita ,  Tomio Kondou ,  Kohsuke Suzuki

发明人： Masahide Yamashita ,  Tomio Kondou ,  Kohsuke Suzuki

IPC分类号： G03G15/09

CPC分类号： G03G9/1075 ,  G03G9/107 ,  G03G9/1132 ,  G03G9/1139

摘要： A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

摘要翻译： 一种载体，其包括在其表面上具有层的锰铁氧体磁芯材料，使得0.1≤K≤30，其中K =（S / M）×100，S和M表示标准偏差，M 2 /（M 1 + M 2），M分别为0.05〜0.45，M 1和M 2分别表示载体颗粒中的铁和锰的含量。 载体的磁化范围为1,000Oe时的45至75emu / g，质量平均粒径D 4为25至65μm，粒径不大于12μm的载体颗粒的量为 不大于0.3重量％，D 4 / D 1为1至1.3的比例，其中D 1是载体的数均粒径。

公开(公告)号：US20050260516A1

公开(公告)日：2005-11-24

申请号：US11126270

申请日：2005-05-11

申请人： Masami Tomita ,  Tomio Kondou ,  Masahide Yamashita ,  Kousuke Suzuki

发明人： Masami Tomita ,  Tomio Kondou ,  Masahide Yamashita ,  Kousuke Suzuki

IPC分类号： G03G5/08 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/107 ,  G03G9/113 ,  G03G15/08 ,  G03G15/09

CPC分类号： G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/107 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1135

摘要： A developer for an electrophotographic tandem image forming method is provided that contains a toner; and a carrier, wherein the toner has a shape factor SF-1 of from 120 to 160, an average circularity of form 0.93 to 0.98, a weight-average particle diameter (D4) of from 3.0 to 8.0 μm, and a ratio (D4/Dn) of the weight-average particle diameter (D4) to a number-average particle diameter (Dn) of from 1.01 to 1.20, and wherein the carrier is almost a spherical ferrite coated with a resin wherein alumina is dispersed, which has an average particle diameter of from 20 to 45 μm and the following formula: (MgO)x(MnO)y(Fe2O3)z wherein x is from 1 to 5 mol %, y is from 5 to 55 mol % and z is from 45 to 55 mol %.

摘要翻译： 提供一种用于电子照相串联成像方法的显影剂，其包含调色剂; 和载体，其中调色剂的形状因子SF-1为120〜160，平均圆形度为0.93〜0.98，重均粒径（D4）为3.0〜8.0μm，比例（D4 / Dn）与数均粒径（Dn）的比值为1.01〜1.20，并且其中载体几乎是涂覆有分散有氧化铝的树脂的球形铁氧体，其具有 平均粒径为20〜45μm，具有下式：<？in-line-formula description =“In-line formula”end =“lead”？>（MgO）x（MnO）y 其中x为1〜5摩尔％，y为0〜5摩尔％，y为1〜5摩尔％，y为1〜5摩尔％ 5〜55摩尔％，z为45〜55摩尔％。

公开(公告)号：US20050003292A1

公开(公告)日：2005-01-06

申请号：US10844442

申请日：2004-05-13

申请人： Masahide Yamashita ,  Tomio Kondou ,  Kohsuke Suzuki

发明人： Masahide Yamashita ,  Tomio Kondou ,  Kohsuke Suzuki

IPC分类号： G03G9/08 ,  G03G9/107 ,  G03G9/113 ,  G03G15/08 ,  G03G15/09 ,  G03G15/20 ,  G03G21/10

CPC分类号： G03G9/1075 ,  G03G9/107 ,  G03G9/1132 ,  G03G9/1139

摘要： A carrier including a manganese ferrite core material having a layer on its surface such that 0.1≦K≦30, where K=(S/M)×100, S and M represent the standard deviation and average of M2/(M1+M2), respectively, M ranging from 0.05 to 0.45, and M1 and M2 represent the content of iron and manganese, respectively, in a carrier particle. The carrier has a magnetization ranging from 45 to 75 emu/g at 1,000 Oe, a mass-averaged particle diameter, D4, ranging from 25 to 65 μm and carrier particles having a particle diameter not greater than 12 μm are included in an amount not greater than 0.3% by weight, and a ratio, D4/D1, ranging from 1 to 1.3, where D1 is a number-averaged particle diameter of the carrier.

摘要翻译： 其中K =（S / M）×100，S和M表示标准偏差，平均值为M2 /（M1 + M2 ），M分别为0.05〜0.45，M1和M2分别表示载体颗粒中铁和锰的含量。 载体的磁化强度范围为1,000Oe时为45〜75emu / g，质量平均粒径D4为25〜65μm，粒径不大于12μm的载体颗粒不包括 大于0.3重量％，D4 / D1的范围为1至1.3的比率，其中D1是载体的数均粒径。

公开(公告)号：US06821699B2

公开(公告)日：2004-11-23

申请号：US10253491

申请日：2002-09-25

申请人： Tomio Kondou ,  Hachiro Tosaka ,  Hitoshi Ueda ,  Tomiaki Ito

发明人： Tomio Kondou ,  Hachiro Tosaka ,  Hitoshi Ueda ,  Tomiaki Ito

IPC分类号： G03G1322

CPC分类号： G03G9/08753 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08797

摘要： A toner having a half melting temperature not greater than 115° C. has good fixability without filming, even in an image forming method using a non-contact fixing method; has good fixability and color reproducibility, even in an image forming method reproducing multi-colored images by combining two or more toner layers of different color; has good heat resistance without impairing fixability and color reproducibility; and produces high quality images without impairing fixability and color reproducibility.

摘要翻译： 具有半熔融温度不大于115℃的调色剂即使在使用非接触固定方法的图像形成方法中也具有良好的定影性而不进行成膜; 即使在通过组合两种或更多种不同颜色的调色剂层来再现多色图像的图像形成方法中，具有良好的定影性和颜色再现性; 具有良好的耐热性，而不损害定影性和颜色再现性; 并产生高质量的图像，而不损害定影性和颜色再现性。