Fixing apparatus and image forming apparatus
    3.
    发明授权
    Fixing apparatus and image forming apparatus 有权
    固定装置和成像装置

    公开(公告)号:US06690906B2

    公开(公告)日:2004-02-10

    申请号:US10012105

    申请日:2001-11-13

    IPC分类号: G03G1520

    CPC分类号: G03G15/2053

    摘要: A fixing apparatus for fixing a toner image formed on a transfer sheet comprised of rotatable heating member having a thermo-conductive base material, a heat-resistive resilient layer provided to cover the outer surface of the thermo-conductive base material, and a heat-resistive releasing layer provided to cover the heat resistive resilient layer; and a rotatable pressure member to nip and transport the transfer sheet cooperating with the rotatable heating member, for fusing the toner image on the transfer sheet; wherein, hardness of the surface of heat-resistive releasing member measure by a micro hardness meter is 55 to 75° and the surface roughness Rz is 0.5-2.0 &mgr;m.

    摘要翻译: 一种用于固定形成在由具有热导性基材的可旋转加热构件的转印片上形成的调色剂图像的定影装置,设置成覆盖热导性基材的外表面的耐热弹性层, 电阻释放层,其设置为覆盖耐热弹性层; 以及可旋转的压力构件,用于夹持和输送与可旋转加热构件协作的转印纸,用于将调色剂图像定影在转印纸上; 其中,由显微硬度计测量的耐热性释放元件表面的硬度为55至75°,表面粗糙度Rz为0.5-2.0μm。

    Fixing apparatus
    4.
    发明授权
    Fixing apparatus 有权
    固定装置

    公开(公告)号:US07142792B2

    公开(公告)日:2006-11-28

    申请号:US10859793

    申请日:2004-06-03

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2053

    摘要: The fixing apparatus prevents transfer paper from sticking or jamming. This fixing apparatus is intended to fix polymerized toner on transfer material and has a heating roller and a pressure roller. The difference in hardness between the heating roller and pressure roller is 5 through 10 degrees in AskerC, and the hardness of the pressure roller is higher than that of the heating roller. A fixing nip portion, convex-shaped on the side closest to the heating roller, is formed between the heating roller and pressure roller and the nip pressure of the fixing nip portion is 24.5 N/cm or more.

    摘要翻译: 定影装置防止转印纸粘着或卡住。 该定影装置旨在将聚合调色剂固定在转印材料上并具有加热辊和加压辊。 AskerC中加热辊和加压辊之间的硬度差为5至10度,加压辊的硬度高于加热辊的硬度。 在加热辊和加压辊之间形成有在最靠近加热辊的一侧凸出的定影夹持部,并且定影夹持部的夹持压力为24.5N / cm以上。

    Fixing apparatus
    5.
    发明申请
    Fixing apparatus 有权
    固定装置

    公开(公告)号:US20050008383A1

    公开(公告)日:2005-01-13

    申请号:US10859793

    申请日:2004-06-03

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2053

    摘要: A fixing apparatus capable of preventing transfer paper from sticking or jamming, and an image recording apparatus equipped with the same. This fixing apparatus is intended to fix polymerized toner on transfer material and has a) a heating roller having a cylindrical cored bar, and a elastic layer and releasing layer provided around said cylindrical cored bar, b) a pressure roller, in contact with the heating roller, having a cylindrical cored bar, and a elastic layer and releasing layer provided around the cylindrical cored bar, c) a first guide member provided opposite the pressure roller, and d) a second guide member. provided near the heating roller without contacting thereto. In this fixing apparatus, the difference in hardness between the heating roller and pressure roller is 5 through 10 degrees in AskerC, And the hardness of the pressure roller is higher than that of the heating roller. Further, a fixing nip portion, convex-shaped on the side closest to the heating roller, is formed between the heating roller and pressure roller.

    摘要翻译: 一种能够防止转印纸粘着或堵塞的定影装置,以及配备该定影装置的图像记录装置。 该定影装置旨在将聚合调色剂固定在转印材料上,并具有:a)具有圆柱形芯棒的加热辊,以及围绕所述圆柱形芯棒设置的弹性层和释放层,b)与加热接触的加压辊 辊筒,具有圆筒形芯棒,以及设置在圆筒形芯棒周围的弹性层和释放层,c)与压力辊相对设置的第一引导构件,以及d)第二引导构件。 设置在加热辊附近而不与其接触。 在该定影装置中,AskerC中加热辊和加压辊之间的硬度差为5至10度,并且加压辊的硬度高于加热辊的硬度。 此外,在加热辊和加压辊之间形成有在最靠近加热辊的一侧凸出的定影夹持部。

    Fixing apparatus equipped with sheet flattener
    6.
    发明授权
    Fixing apparatus equipped with sheet flattener 失效
    装有平板机的固定装置

    公开(公告)号:US06865366B2

    公开(公告)日:2005-03-08

    申请号:US10401398

    申请日:2003-03-28

    IPC分类号: G03G15/20 G03G15/00

    摘要: A fixing apparatus includes a fixing roller, a fixing belt forming a nip between them, a heat source for heating at least one of the rollers, wherein a recording medium carrying an unfixed toner image passes through the nip to perform fixing operation, and a flattener having a conveyance roller and a pressure contact member which is in pressure contact with the conveyance roller, which is provided downstream in the conveying direction of the recording medium of the nip. A convex shape of the nip formed by the fixing roller and the fixing belt, and a convex shape of a nip of the flattener formed by the conveyance roller and the pressure contact member are arranged to have opposite directions to each other, when viewed from a direction perpendicular to the conveyance direction of the recording medium.

    摘要翻译: 定影装置包括定影辊,在它们之间形成辊隙的定影带,用于加热至少一个辊的热源,其中携带未定影调色剂图像的记录介质通过辊隙进行定影操作, 具有传送辊和与传送辊压力接触的压力接触部件,其设置在辊隙的记录介质的传送方向的下游。 由定影辊和定影带形成的辊隙的凸形形状以及由输送辊和压力接触部件形成的压平部的辊隙的凸形形状设置成具有彼此相反的方向,当从 方向垂直于记录介质的输送方向。

    Fixing device with specific surface roughness
    7.
    发明授权
    Fixing device with specific surface roughness 有权
    具有特定表面粗糙度的固定装置

    公开(公告)号:US07079802B2

    公开(公告)日:2006-07-18

    申请号:US10251064

    申请日:2002-09-20

    IPC分类号: G03G15/20

    摘要: An image forming apparatus equipped with a heat fixing device includes a heating member having an elastic layer on a substrate and a fluorine resin coated on the elastic layer, a pressure member having a substrate covered with a fluorine resin tube through an elastic layer or without the elastic layer in pressure contact with the heating member, and at least one heater as a heat source. The surface roughness of the fluorine resin of the heating member is greater than the surface roughness of the fluorine resin tube of the pressure member.

    摘要翻译: 配备有热定影装置的图像形成装置包括:在基板上具有弹性层的加热部件和涂布在弹性层上的氟树脂;压力部件,其具有通过弹性层被氟树脂管覆盖的基板,或者不具有 与加热构件压力接触的弹性层,以及至少一个加热器作为热源。 加热构件的氟树脂的表面粗糙度大于加压构件的氟树脂管的表面粗糙度。

    Fixing unit for an image forming apparatus
    8.
    发明授权
    Fixing unit for an image forming apparatus 有权
    用于图像形成装置的固定单元

    公开(公告)号:US06782232B2

    公开(公告)日:2004-08-24

    申请号:US10386646

    申请日:2003-03-12

    IPC分类号: G03G1520

    CPC分类号: G03G15/2057

    摘要: This invention relates to an image forming apparatus including a fixing unit which includes a heat section having a resilient body and a release layer that covers the resilient body, and a press section having a resilient body and a release layer that covers the resilient body and pressed by the heat section, and which heats and fixes a transfer medium at a nip portion as a press contact portion of the two sections. This fixing unit satisfies at least one of the following three conditions: (a) the tensile strength of the resilient body of the heat section upon a lapse of an arbitrary use time is higher than its initial tensile strength or is not lower than the initial tensile strength by 0.5 MPa or more, (b) a relationship (H1−H0)−(h1−h0)≦0 is always satisfied where H0 is the initial surface hardness of the heat section, h0 is the initial surface hardness of the press section, and H1 and h1 are the surface hardnesses of the heat section and the press section, respectively, upon a lapse of the arbitrary use time, and (c) the modulus of impact resilience of the resilient layer of the heat section upon a lapse of the arbitrary use time is higher than its modulus of initial impact resilience before start of use, or is not lower than the modulus of initial impact resilience by 10% or more.

    摘要翻译: 本发明涉及一种图像形成装置,其包括固定单元,该固定单元包括具有弹性体的热部分和覆盖弹性体的释放层,以及具有弹性体的压榨部和覆盖弹性体并且被按压的释放层 并且其在作为两个部分的压接部分的压合部分处加热并固定转印介质。 该固定单元满足以下三个条件中的至少一个:(a)在任意使用时间过去的热部的弹性体的拉伸强度高于其初始拉伸强度或不低于初始拉伸强度 强度为0.5MPa以上时,(b)总是满足关系(H1-H0) - (h1-h0)<= 0,其中H0是加热部的初始表面硬度,h0是压机的初始表面硬度 截面,H1和h1分别是在任意使用时间过去时热部分和压榨部分的表面硬度,和(c)热延伸部分的弹性层在经过时的冲击弹性模量 的任意使用时间高于其开始使用前的初始冲击弹性模量,或者不低于初始冲击弹性模量10%以上。

    Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device
    9.
    发明授权
    Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device 失效
    具有加热旋转体和加压旋转体的固定装置和配备有定影装置的成像装置

    公开(公告)号:US06603947B2

    公开(公告)日:2003-08-05

    申请号:US10000887

    申请日:2001-11-15

    IPC分类号: G03G1520

    摘要: A fixing device for use in an image forming apparatus capable of forming both-side images on a sheet which by using a sheet reversing and conveying device. The fixing device has a heat applying rotary body with an elastic layer made of rubber and a toner releasing layer on top thereof, for coming into contact with and heating a side bearing an unfixed toner image of a transfer sheet; a pressure applying rotary body with an elastic layer made of rubber and a toner releasing layer on top thereof, for fixing and conveying the transfer material by coming into pressure contact and rotating with the heat applying rotary body; and a heat applying source for heating at least one of said rotary bodies. The pressure applying rotary body has a micro-hardness smaller than that of the heat applying rotary body.

    摘要翻译: 一种用于能够通过使用片材反转和输送装置在片材上形成双面图像的图像形成装置中的定影装置。 定影装置具有:具有由橡胶制成的弹性层的加热旋转体和位于其顶部的调色剂释放层,用于与承载转印片的未定影调色剂图像的侧面接触并加热; 将由橡胶制成的弹性层和调色剂释放层的加压旋转体的顶部施加到压力接触并通过加热旋转体旋转来固定和输送转印材料; 以及用于加热至少一个所述旋转体的加热源。 加压旋转体的显微硬度小于加热旋转体的显微硬度。

    Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device
    10.
    发明授权
    Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device 失效
    具有加热旋转体和加压旋转体的固定装置和配备有定影装置的成像装置

    公开(公告)号:US06816699B1

    公开(公告)日:2004-11-09

    申请号:US10621630

    申请日:2003-07-16

    IPC分类号: G03G1520

    摘要: A fixing device for use in an image forming apparatus capable of forming both-side images on a sheet by using a sheet reversing and conveying device. The fixing device has a heat applying rotary body with an elastic layer made of rubber and a toner releasing layer on top thereof, for coming into contact with and heating a side bearing an unfixed toner image of a transfer sheet; a pressure applying rotary body with an elastic layer made of rubber and a toner releasing layer on top thereof, for fixing and conveying the transfer material by coming into pressure contact and rotating with the heat applying rotary body; a drive source for driving one of the rotary bodies; and a heat applying source for heating one of the rotary bodies. The pressure applying rotary body has a micro-hardness smaller than that of the heat applying rotary body.

    摘要翻译: 一种用于能够通过使用片材反转和输送装置在片材上形成双面图像的图像形成装置中的定影装置。 定影装置具有:具有由橡胶制成的弹性层的加热旋转体和位于其顶部的调色剂释放层,用于与承载转印片的未定影调色剂图像的侧面接触并加热; 将由橡胶制成的弹性层和调色剂释放层的加压旋转体的顶部施加到压力接触并通过加热旋转体旋转来固定和输送转印材料; 用于驱动所述旋转体之一的驱动源; 以及用于加热旋转体之一的加热源。 加压旋转体的显微硬度小于加热旋转体的显微硬度。