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    • 122. 发明授权
    • Image forming method
    • 图像形成方法
    • US08206879B2
    • 2012-06-26
    • US12050663
    • 2008-03-18
    • Akira IzutaniMinoru Nakamura
    • Akira IzutaniMinoru Nakamura
    • G03G15/01
    • G03G15/1605G03G15/0887G03G15/161G03G2215/0602G03G2215/0607
    • To provide an image forming method for obtaining excellent image quality under high humidity. The image forming method including charging a surface of a latent electrostatic image bearing member, exposing the charged surface of the latent electrostatic image bearing member so as to form a latent electrostatic image, developing the latent electrostatic image using a developer so as to form a toner image, and transferring the toner image from the latent electrostatic image bearing member to a transfer medium, wherein in the developing step, a toner is used that has an interparticle adhesion force of 500 nN to 1,200 nN when pressed at 500 nN and a volume average particle diameter of 4 μm to 8 μm, and in the transferring step, the transfer pressure applied to the transfer medium is 20 N/m to 60 N/m, and wherein a tandem image forming apparatus is used in the image forming method.
    • 提供一种用于在高湿度下获得优异图像质量的图像形成方法。 该图像形成方法包括对静电潜像承载部件的表面进行充电,使静电潜像承载部件的带电表面露出以形成静电潜像,并使用显影剂使静电潜像显影,从而形成调色剂 图像,并将调色剂图像从静电潜像承载部件转印到转印介质上,其中在显影步骤中,使用当在500nN下压制时具有500nN至1,200nN的颗粒间粘附力的调色剂,并且体积平均 粒径为4μm〜8μm,转印工序中,施加到转印介质的转印压力为20N / m〜60N / m,在成像方法中使用串列成像装置。
    • 129. 发明授权
    • Developer supply roller and image forming apparatus
    • 显影剂供应辊和成像设备
    • US07697874B2
    • 2010-04-13
    • US12046952
    • 2008-03-12
    • Akira IzutaniMinoru Nakamura
    • Akira IzutaniMinoru Nakamura
    • G03G15/08
    • G03G15/0808
    • To provide a developer supply roller including: a shaft core; and an elastic layer over the shaft core, wherein the elastic layer is composed of at least a first elastic layer and a second elastic layer, the first elastic layer and second elastic layer made of elastic bodies with different moduli of elasticity, the first layer being an outermost layer of the supply roller, and wherein the relationships 0%≦k1≦20% and 20%≦k2≦70% are satisfied, where k1 is the modulus of repulsion elasticity of the first elastic layer and k2 is the modulus of repulsion elasticity (%) of the second elastic layer.
    • 提供一种显影剂供应辊,包括:轴芯; 以及在所述轴芯上的弹性层,其中所述弹性层由至少第一弹性层和第二弹性层构成,所述第一弹性层和第二弹性层由具有不同弹性模量的弹性体制成,所述第一层为 其中k1是第一弹性层的排斥弹性模量,k2是模量的最大值,并且其中k1是第一弹性层的排斥弹性模量,并且其中k2是n 的第二弹性层的排斥弹性(%)。