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    • 9. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20110091236A1
    • 2011-04-21
    • US12903735
    • 2010-10-13
    • Ken OiJun Asami
    • Ken OiJun Asami
    • G03G15/20
    • G03G15/1675G03G15/2053G03G15/206G03G2215/1614
    • An image forming apparatus includes an image bearing member for bearing a toner image; a transfer portion for transferring the toner image from the image bearing member onto a recording material, the transfer portion including a transfer member for forming a transfer nip between itself and the image bearing member; and a fixing portion for fixing on the recording material the toner image transferred on the recording material, the fixing device including a fixing sleeve, a heater contacted to an inner surface of the fixing sleeve, and a pressing roller for forming a fixing nip between itself and the heater through the fixing sleeve. At least one of the fixing sleeve and the pressing roller is grounded through a first series circuit consisting of a rectifying element and a first resistance element and is grounded through a second series circuit, which is connected to the first series circuit in parallel, consisting of a capacitative element and a second resistance element.
    • 图像形成装置包括用于承载调色剂图像的图像承载部件; 转印部分,用于将调色剂图像从图像承载部件转印到记录材料上,转印部分包括用于在其与图像承载部件之间形成转印辊隙的转印部件; 以及固定部分,用于在记录材料上固定转印在记录材料上的调色剂图像,所述定影装置包括定影套筒,与定影套筒的内表面接触的加热器,以及用于在其间形成定影辊隙的加压辊 加热器通过定影套筒。 定影套筒和加压辊中的至少一个通过由整流元件和第一电阻元件组成的第一串联电路接地,并通过并联连接到第一串联电路的第二串联电路接地,该第二串联电路由 电容元件和第二电阻元件。
    • 10. 发明授权
    • Image heating apparatus and flexible sleeve used for the same
    • 图像加热装置和柔性套筒相同
    • US07389079B2
    • 2008-06-17
    • US11780722
    • 2007-07-20
    • Takashi NaraharaMasahiko SuzumiJun AsamiKenji Matsuzaka
    • Takashi NaraharaMasahiko SuzumiJun AsamiKenji Matsuzaka
    • G03G15/20
    • G03G15/2053
    • The image heating apparatus includes a flexible sleeve including a stainless base layer; a heater being in contact with an inner circumferential surface of the flexible sleeve; and an elastic roller being in contact with an outer circumferential surface of the flexible sleeve and forming a nip portion with the heater, in which: a recording material bearing an image is heated while being pinched and conveyed at the nip portion; and the stainless base layer has an outer diameter of 18 mm to 24 mm and a thickness of 25 μm to 30 μm, and includes an outer circumferential surface being subjected to a blasting process. Bu the present invention, an image heating apparatus is capable of ensuring durability and a flexible sleeve used for the image heating apparatus.
    • 图像加热装置包括:柔性套管,其包括不锈钢基层; 加热器与柔性套管的内周面接触; 以及弹性辊,其与柔性套筒的外周表面接触并与加热器形成夹持部分,其中:承载图像的记录材料在夹持部分被挤压和输送的同时加热; 不锈钢基层的外径为18mm〜24mm,厚度为25μm〜30μm,并且具有进行喷砂处理的外周面。 在本发明中,图像加热装置能够确保用于图像加热装置的耐久性和柔性套筒。