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    • 2. 发明申请
    • Image forming method and an image forming apparatus
    • 图像形成方法和图像形成装置
    • US20050202333A1
    • 2005-09-15
    • US10800568
    • 2004-03-15
    • Kageyuki Tomoyori
    • Kageyuki Tomoyori
    • G03G5/00G03G5/10
    • G03G5/10G03G5/00G03G5/04G03G9/0804G03G9/0806G03G9/0819G03G9/0825G03G9/0827
    • Disclosed is an image forming method comprising: developing a latent image formed on a cylindrical electrophotographic photoreceptor having a cylindricity of 5 to 40 μm, with a developer comprising a toner sufficing at least one of conditions (1) to (5): (1) A toner includes toner particles having a variation coefficient of shape coefficient of not more than 16 percent. (2) A toner includes at least 65 percent of toner particles having a shape coefficient in the range of 1.2 to 1.6. (3) A toner includes at least 50% of toner particles in number having no corner. (4) A toner includes toner particles having a number variation coefficient in the number particle size distribution of not more than 27 percent. (5) A toner has M of at least 70 percent, M being sum of m1 and m2 wherein m1 is relative frequency of toner particles, included in the most frequent class, and m2 is relative frequency of toner particles included in the second frequent class in a histogram showing the particle size distribution, which is drawn in such a manner that natural logarithm lnD is used as an abscissa, wherein D (in μm) represents the particle diameter of a toner particle, while being divided into a plurality of classes at intervals of 0.23, and number of particles is used as an ordinate.
    • 公开了一种图像形成方法,包括:利用包含满足条件(1)至(5)中的至少一个的调色剂的显影剂,使具有5至40个圆筒形圆柱形电子照相感光体形成的潜像显影:(1) 调色剂包括形状系数的变异系数不大于16%的调色剂颗粒。 (2)调色剂包括形状系数在1.2至1.6范围内的至少65%的调色剂颗粒。 (3)调色剂包括至少50%的没有角的数量的调色剂颗粒。 (4)调色剂包括具有不超过27%的数量粒度分布中的数变异系数的调色剂颗粒。 (5)调色剂具有至少70%的M,M是m1和m2之和,其中m1是包括在最频繁类中的调色剂颗粒的相对频率,m2是包括在第二频繁类中的调色剂颗粒的相对频率 在显示粒度分布的直方图中,其以使用自然对数lnD作为横坐标的方式绘制,其中D(以mam表示)调色剂颗粒的粒径,同时被分成多个等级 间隔为0.23,粒子数用作纵坐标。
    • 4. 发明申请
    • Image forming method and an image forming apparatus
    • 图像形成方法和图像形成装置
    • US20060088776A1
    • 2006-04-27
    • US10971995
    • 2004-10-22
    • Masao AsanoKageyuki Tomoyori
    • Masao AsanoKageyuki Tomoyori
    • G03G15/01
    • G03G15/0126G03G2221/0005
    • An image forming method comprising: developing a latent image formed on a cylindrical electrophotographic photoreceptor having a cylindricity of 5 to 40 μm, with a developer comprising toner in which a ratio Dv50/Dp50 of a 50% volume particle diameter Dv50 to a 50% number particle diameter Dp50 is 1.0 to 1.15, a ratio Dv75/Dp75 of a cumulative 75% volume particle diameter from the largest volume particle diameter Dv75, to a cumulative 75% number particle diameter from the largest number particle diameter Dp75, is 1.0 to 1.20, and the number of toner particles having a particle diameter of 0.7×Dp50 or less is 10 percent by number or less, to form a toner image; and transferring the toner image from the photoreceptor to an intermediate transferring member, is disclosed.
    • 一种图像形成方法,包括:将显影剂包含50重量体积粒径Dv50的比值Dv50 / Dp50至50%的显影剂,使形成在圆筒形电子照相感光体上形成的潜像为5-40μm 粒径Dp50为1.0〜1.15,最大体积粒径Dv75的累积75体积体积粒径的比Dv75 / Dp75与最大粒径Dp75的累积75%粒径的比为1.0〜1.20, 并且粒径为0.7×Dp50以下的调色剂颗粒的数量为10个数量以下,以形成调色剂图像; 并将调色剂图像从感光体转印到中间转印部件。
    • 8. 发明授权
    • Image forming method and an image forming apparatus
    • 图像形成方法和图像形成装置
    • US07547496B2
    • 2009-06-16
    • US10971995
    • 2004-10-22
    • Masao AsanoKageyuki Tomoyori
    • Masao AsanoKageyuki Tomoyori
    • G03G15/01
    • G03G15/0126G03G2221/0005
    • An image forming method comprising:developing a latent image formed on a cylindrical electrophotographic photoreceptor having a cylindricity of 5 to 40 μm, with a developer comprising toner in which a ratio Dv50/Dp50 of a 50% volume particle diameter Dv50 to a 50% number particle diameter Dp50 is 1.0 to 1.15, a ratio Dv75/Dp75 of a cumulative 75% volume particle diameter from the largest volume particle diameter Dv75, to a cumulative 75% number particle diameter from the largest number particle diameter Dp75, is 1.0 to 1.20, and the number of toner particles having a particle diameter of 0.7×Dp50 or less is 10 percent by number or less, to form a toner image; andtransferring the toner image from the photoreceptor to an intermediate transferring member, is disclosed.
    • 一种图像形成方法,包括:将显影剂包含50重量体积粒径Dv50的比值Dv50 / Dp50至50%的显影剂,使形成在圆筒形电子照相感光体上形成的潜像为5-40μm 粒径Dp50为1.0〜1.15,最大体积粒径Dv75的累积75体积体积粒径的比Dv75 / Dp75与最大粒径Dp75的累积75%粒径的比为1.0〜1.20, 并且粒径为0.7×Dp50以下的调色剂颗粒的数量为10个数量以下,以形成调色剂图像; 并将调色剂图像从感光体转印到中间转印部件。
    • 10. 发明授权
    • Image forming method and an image forming apparatus
    • 图像形成方法和图像形成装置
    • US07202005B2
    • 2007-04-10
    • US10800568
    • 2004-03-15
    • Kageyuki Tomoyori
    • Kageyuki Tomoyori
    • G03G5/00
    • G03G5/10G03G5/00G03G5/04G03G9/0804G03G9/0806G03G9/0819G03G9/0825G03G9/0827
    • Disclosed is an image forming method comprising: developing a latent image formed on a cylindrical electrophotographic photoreceptor having a cylindricity of 5 to 40 μm, with a developer comprising a toner sufficing at least one of conditions (1) to (5): (1) A toner includes toner particles having a variation coefficient of shape coefficient of not more than 16 percent. (2) A toner includes at least 65 percent of toner particles having a shape coefficient in the range of 1.2 to 1.6. (3) A toner includes at least 50% of toner particles in number having no corner. (4) A toner includes toner particles having a number variation coefficient in the number particle size distribution of not more than 27 percent. (5) A toner has M of at least 70 percent, M being sum of m1 and m2 wherein m1 is relative frequency of toner particles, included in the most frequent class, and m2 is relative frequency of toner particles included in the second frequent class in a histogram showing the particle size distribution, which is drawn in such a manner that natural logarithm lnD is used as an abscissa, wherein D (in μm) represents the particle diameter of a toner particle, while being divided into a plurality of classes at intervals of 0.23, and number of particles is used as an ordinate.
    • 公开了一种图像形成方法,其包括:使具有5至40个圆筒形的圆柱形电子照相感光体上形成的潜像显影,所述显影剂包括使条件(1)至