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    • 43. 发明授权
    • Image heating apparatus and image forming apparatus
    • 图像加热装置和图像形成装置
    • US06862416B2
    • 2005-03-01
    • US10456795
    • 2003-06-09
    • Shinji HashiguchiHiroshi Kataoka
    • Shinji HashiguchiHiroshi Kataoka
    • G03G15/20
    • G03G15/2042G03G2215/2035
    • An image heating apparatus which heats an image on a recording material by holding and conveying the image-borne recording material at a nip between heating and pressure members has a sequence to set a heating temperature of the apparatus to be lower than an ordinary set temperature when, after the recording material of a width narrower than a predetermined width was passed, the recording material of a width wider than that width is passed. The set heating temperature when the wide-width recording material is passed after the narrow-width recording material was passed is controlled according to the number of the passed narrow-width recording materials and an elapsed time from the passing of the narrow-width recording material to the passing of the wide-width recording material, whereby hot off-set occurring when the large size recording material is passed after the small size recording material was passed is prevented without deteriorating fixability.
    • 通过在加热和加压构件之间的夹持处保持和输送图像传送记录材料来加热记录材料上的图像的图像加热装置具有将装置的加热温度设定为低于普通设定温度的顺序, 在通过宽度比预定宽度窄的记录材料之后,通过宽于该宽度的宽度的记录材料。 根据通过的窄幅记录材料的数量和通过窄幅记录材料的经过时间来控制在窄幅记录材料通过之后通过宽幅记录材料时的设定加热温度 在通过宽幅记录材料之后,防止在小尺寸记录材料通过之后通过大尺寸记录材料时发生的热偏移,而不会降低定影性。
    • 46. 发明授权
    • Heat fixing apparatus
    • 定热装置
    • US08265507B2
    • 2012-09-11
    • US13342314
    • 2012-01-03
    • Tohru SaitoShinji Hashiguchi
    • Tohru SaitoShinji Hashiguchi
    • G03G15/20
    • G03G15/2042G03G15/206
    • The heat fixing apparatus includes a fixing heater and a pressure roller. The fixing heater has a plurality of resistance-type heat generation layers which are different in heat distribution in the longitudinal direction perpendicular to the direction of conveying a recording material. The recording material P is heated when passed through a fixing nip portion formed between the fixing heater and the pressure roller. The pressurization conditions between the fixing heater and the pressure roller can be changed. The heat fixing apparatus includes a fixing member which adjusts the lengthwise heat distribution of the fixing heater by changing the applied current proportion of the plurality of resistance-type heat generation layers according to the pressurization conditions between the fixing heater and the pressure roller.
    • 热定影装置包括定影加热器和加压辊。 定影加热器具有多个在垂直于输送记录材料的方向的纵向上的热分布不同的电阻型发热层。 当通过形成在定影加热器和压力辊之间的定影夹持部分时,记录材料P被加热。 可以改变定影加热器和压力辊之间的加压条件。 热定影装置包括:固定构件,其通过根据定影加热器和加压辊之间的加压条件改变多个电阻型发热层的施加电流比例来调节定影加热器的纵向热分布。