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    • 3. 发明申请
    • Low-Density Neutral Paper
    • 低密度中性纸
    • US20070221350A1
    • 2007-09-27
    • US10599135
    • 2005-03-15
    • Kazunari SogaDai NagaharaKazuyuki FujitaTakashi OchiKoji KutsuwaKatsumasa Ono
    • Kazunari SogaDai NagaharaKazuyuki FujitaTakashi OchiKoji KutsuwaKatsumasa Ono
    • D21H17/68
    • D21H17/69C01P2004/61C01P2004/62C01P2004/80C01P2006/12C01P2006/19C01P2006/60C09C1/024D21H17/675D21H21/52Y10T428/253
    • The present invention provides a low-density neutral paper offering excellent opacity, opacity after printing and other advantageous printability properties despite high bulk, by containing, as a filler, precipitated calcium carbonate-silica composite having an average particle size of 30 μm or less and produced by neutralizing a mixture of precipitated calcium carbonate and alkaline silicate to pH 7 to 9, wherein the ratio of precipitated calcium carbonate to silica (precipitated calcium carbonate/silica) is 30/70 to 70/30 in solid content by weight and the surface of precipitated calcium carbonate particles is covered with silica. In particular, the present invention provides a low-density printing paper, or an electrophotographic transfer paper offering excellent stiffness and copier suitability, by means of adjusting the filler content in paper to a range of 1 to 25 solid content percent by weight, or provides a neutral newsprinting paper by means of adjusting the filler content in paper to a range of 0.1 to 25 solid content percent by weight.
    • 本发明提供一种低密度中性纸,通过含有平均粒径为30μm以下的沉淀碳酸钙 - 二氧化硅复合体作为填料,提供了印刷后具有优异的不透明度,不透明度和其它有利的印刷适应性, 通过将沉淀碳酸钙和碱性硅酸盐的混合物中和至pH7至9,其中沉淀碳酸钙与二氧化硅(沉淀碳酸钙/二氧化硅)的比例为固体重量比为30/70至70/30,表面积 的沉淀碳酸钙颗粒被二氧化硅覆盖。 特别地,本发明通过将纸中的填料含量调节至1至25固体含量百分比的范围来提供一种低密度印刷纸或提供优异刚度和复印机适用性的电子照相转印纸,或提供 中性的新闻纸通过将纸中的填料含量调节至0.1至25固体含量的重量百分比的范围。
    • 4. 发明授权
    • Low-density neutral paper
    • 低密度中性纸
    • US07611606B2
    • 2009-11-03
    • US10599135
    • 2005-03-15
    • Kazunari SogaDai NagaharaKazuyuki FujitaTakashi OchiKoji KutsuwaKatsumasa Ono
    • Kazunari SogaDai NagaharaKazuyuki FujitaTakashi OchiKoji KutsuwaKatsumasa Ono
    • D21H11/00
    • D21H17/69C01P2004/61C01P2004/62C01P2004/80C01P2006/12C01P2006/19C01P2006/60C09C1/024D21H17/675D21H21/52Y10T428/253
    • The present invention provides a low-density neutral paper offering excellent opacity, opacity after printing and other advantageous printability properties despite high bulk, by containing, as a filler, precipitated calcium carbonate-silica composite having an average particle size of 30 μm or less and produced by neutralizing a mixture of precipitated calcium carbonate and alkaline silicate to pH 7 to 9, wherein the ratio of precipitated calcium carbonate to silica (precipitated calcium carbonate/silica) is 30/70 to 70/30 in solid content by weight and the surface of precipitated calcium carbonate particles is covered with silica. In particular, the present invention provides a low-density printing paper, or an electrophotographic transfer paper offering excellent stiffness and copier suitability, by means of adjusting the filler content in paper to a range of 1 to 25 solid content percent by weight, or provides a neutral newsprinting paper by means of adjusting the filler content in paper to a range of 0.1 to 25 solid content percent by weight.
    • 本发明提供一种低密度中性纸,通过含有平均粒径为30μm以下的沉淀碳酸钙 - 二氧化硅复合体作为填料,提供了印刷后具有优异的不透明度,不透明度和其它有利的印刷适应性, 通过将沉淀碳酸钙和碱性硅酸盐的混合物中和至pH7至9,其中沉淀碳酸钙与二氧化硅(沉淀碳酸钙/二氧化硅)的比例为固体重量比为30/70至70/30,表面积 的沉淀碳酸钙颗粒被二氧化硅覆盖。 特别地,本发明通过将纸中的填料含量调节至1至25固体含量百分比的范围来提供一种低密度印刷纸或提供优异刚度和复印机适用性的电子照相转印纸,或提供 中性的新闻纸通过将纸中的填料含量调节至0.1至25固体含量的重量百分比的范围。
    • 5. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08811863B2
    • 2014-08-19
    • US13041891
    • 2011-03-07
    • Takashi OchiShota ObaShigeru InabaShinichi KuramotoYoshitaka Nakajima
    • Takashi OchiShota ObaShigeru InabaShinichi KuramotoYoshitaka Nakajima
    • G03G15/09
    • G03G15/0921
    • A developing device includes: a developing member including a magnetism-generating member having plural magnetic poles polarized in a circumferential-direction thereof, and a rotating member that is rotated about the magnetism-generating member; a developer-pumping pole provided in the magnetism-generating member, and that pumps up the developer, which is supplied from a developer accommodating portion, to the rotating member surface; a developer-peeling-off pole provided in the magnetism-generating member below a rotation axis of the rotating member in a vertical direction on an upstream side of the developer-pumping pole in a rotational-direction of the rotating member, that peels off the developer from the rotating member surface; and a magnetic body provided in at least a portion between a facing position facing the developer-peeling-off pole in a circumferential-direction of the rotating member and an intermediate position between the developer-peeling-off pole and the developer-pumping pole in the circumferential direction, facing the rotating member surface.
    • 显影装置包括:显影构件,包括具有多个在其周向极化的磁极的磁发生构件和围绕该磁性发生构件旋转的旋转构件; 设置在所述磁力产生部件中的显影剂抽吸极,并且将从显影剂容纳部供应的显影剂泵送到所述旋转部件表面; 显影剂剥离极,其设置在所述旋转构件的旋转轴的下方的所述磁性发生构件的垂直方向的旋转构件的旋转方向的显影剂抽吸极的上游侧,剥离所述显影剂剥离极 显影剂从旋转构件表面; 以及设置在旋转构件的圆周方向上的面向显影剂剥离极的面对位置与显影剂剥离极与显影剂抽出极之间的中间位置的至少一部分的磁性体, 圆周方向,面向旋转构件表面。
    • 6. 发明授权
    • Developing device, visible image forming device, and image forming apparatus
    • 显影装置,可见图像形成装置和图像形成装置
    • US08676094B2
    • 2014-03-18
    • US13298976
    • 2011-11-17
    • Yoshitaka NakajimaShigeru InabaShota ObaTakashi OchiAkihisa MaruyamaToshihiro Kanematsu
    • Yoshitaka NakajimaShigeru InabaShota ObaTakashi OchiAkihisa MaruyamaToshihiro Kanematsu
    • G03G15/08
    • G03G15/081G03G15/09
    • A developing device includes a developer container; a developer holding body including a magnet member and a substantially cylindrical member; a transport member including a rotating shaft and a substantially spiral transport blade; a layer-thickness regulating member; and an interrupting member that is arranged between the developer holding body and the transport member, that intersects with a first virtual plane passing through a facing position between the regulating member and the developer holding body and being adjacent to a rotation locus of a radial-direction outer edge of the transport blade at a position at which a speed in a circumferential direction of the transport blade has a speed component toward the regulating member, and a second virtual plane passing through rotation centers of the developer holding body and transport member, and that interrupts movement of the developer pushed and moving in the radial direction of the transport blade.
    • 显影装置包括显影剂容器; 显影剂保持体,包括磁体构件和大致圆筒形构件; 传送构件,包括旋转轴和基本螺旋形的传送叶片; 层厚调节构件; 以及布置在显影剂保持体和传送构件之间的中断构件,其与通过调节构件和显影剂保持体之间的相对位置的第一虚拟平面相交并且与径向方向的旋转轨迹相邻 输送叶片的周向方向上的速度朝向限制部件的速度分量的位置处的输送叶片的外缘,以及通过显影剂保持体和输送部件的旋转中心的第二虚拟平面, 阻止显影剂在运输叶片的径向方向上推动和移动的运动。
    • 8. 发明授权
    • Developing device and image-forming apparatus
    • 显影装置和图像形成装置
    • US08548364B2
    • 2013-10-01
    • US12729010
    • 2010-03-22
    • Shota ObaShigeru InabaTakashi YamamuroTakashi OchiShinichi Kuramoto
    • Shota ObaShigeru InabaTakashi YamamuroTakashi OchiShinichi Kuramoto
    • G03G15/08
    • G03G15/0928G03G15/0818
    • A developing device includes: an magnetic field generating unit that generates an magnetic field; and a cylindrical developer holder, to which a voltage is applied, that surrounds the magnetic field generating unit and rotates, the cylindrical developer holder: having an outer circumferential surface having a plurality of grooves that extend in a direction of a rotational axis, the outer circumferential surface being capable of holding developer including a magnetic substance by using the magnetic field generated by the magnetic field generation unit, an electrical resistance of an inner wall surface of each of the grooves being higher than an electrical resistance of the magnetic substance included in the developer; and supplying the developer to an image holder that holds an electrostatic latent image.
    • 显影装置包括:产生磁场的磁场产生单元; 以及围绕所述磁场发生单元并旋转的施加有电压的圆筒形显影剂保持器,所述圆筒形显影剂保持器具有外周表面,所述外周表面具有沿旋转轴线的方向延伸的多个凹槽,所述外部 周向表面能够通过使用由磁场产生单元产生的磁场来保持包括磁性物质的显影剂,每个凹槽的内壁表面的电阻高于包含在磁场中的磁性物质的电阻 开发商 并将显影剂供给到保持静电潜像的图像保持器。