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    • 12. 发明授权
    • Recycle developing process
    • 回收开发过程
    • US5906906A
    • 1999-05-25
    • US804571
    • 1997-02-24
    • Masahide InoueTakeshi ArakawaYutaka AsoRyo FujisawaMamoru Kato
    • Masahide InoueTakeshi ArakawaYutaka AsoRyo FujisawaMamoru Kato
    • G03G21/10G03G13/095
    • G03G21/10
    • The present invention relates to a recycle developing process which comprises developing an electrostatic image formed on a photosensitive material with a starting developer filled in a developing vessel, transferring the toner image to a predetermined paper, recovering the toner remaining on the photosensitive material by a cleaning means, and repeating the developing procedure while replenishing a virgin toner and the toner recovered by the cleaning means into the developing vessel; wherein the virgin toner to be replenished into the developing vessel is that which is fulfilled in a container wherein a rotating roller is provided in an opening portion at a lower portion has a flowability, shown as a fallen amount of the toner at a time of falling via the rotating roller for a certain fixed time, of 50 to 70% based on the toner in the starting developer.According to this process, an abrupt decrease in the properties of the developer due to the mixing of the recovered toner can be relaxed. As a result, a stable image free from fogging or toner scattering can be formed by the recycle developing process.
    • 本发明涉及一种再循环显影方法,该方法包括将形成在感光材料上的静电图像用填充在显影容器中的起始显影剂进行显影,将调色剂图像转印到预定纸张上,通过清洁回收残留在感光材料上的调色剂 意味着并重复显影过程,同时将原始调色剂和由清洁装置回收的调色剂补充到显影容器中; 其中要补充到显影容器中的原始调色剂是在其中在下部的开口部分中设置旋转辊的容器中具有流动性的容器,其显示为在下降时调色剂的下降量 通过旋转辊一定固定时间,基于起始显影剂中的调色剂为50至70%。 根据该方法,可以放松由于回收的调色剂的混合引起的显影剂性能的急剧下降。 结果,可以通过再循环显影过程形成没有起雾或调色剂散射的稳定图像。
    • 13. 发明授权
    • Recycle developing method and apparatus
    • 回收开发方法和装置
    • US5604576A
    • 1997-02-18
    • US520089
    • 1995-08-28
    • Masahide InoueTakeshi ArakawaYutaka AsoRyo Fujisawa
    • Masahide InoueTakeshi ArakawaYutaka AsoRyo Fujisawa
    • G03G9/08G03G15/08G03G21/10G03G21/00
    • G03G21/10
    • A recycle developing method utilizes the steps of (1) providing a developing vessel containing a starting developer composed of an electroscopic toner and a magnetic carrier; (2) transferring toner from the developing vessel to a photosensitive material having an electrostatic latent image formed thereon; (3) transferring a portion of the toner on the photosensitive material to a paper to form a toner image on the paper; (4) recovering toner remaining on the photosensitive material after the aforementioned portion of toner is transferred to the paper to form a toner image thereon; and (5) repeating steps (2)-(4) while replenishing toner in the developing vessel by the sub-steps of: (5a) supplying toner recovered in step (4) to the developing vessel, and (5b) supplying a virgin toner, having a higher chargeability than the electroscopic toner in the starting developer, to the developing vessel, to form a mixed toner in the developing vessel. An absolute value of the average charge quantity of the mixed toner is greater than the absolute value of the average charge quantity of the electroscopic toner in the starting developer plus 10 .mu.C/g. Apparatus to effect the process is also disclosed.
    • 再循环显影方法采用以下步骤:(1)提供含有由电致调色剂和磁性载体构成的起始显影剂的显影容器; (2)将调色剂从显影容器转印到其上形成有静电潜像的感光材料; (3)将感光材料上的调色剂的一部分转印到纸上以在纸上形成调色剂图像; (4)将调色剂的上述部分转印到纸张上以形成调色剂图像后,回收残留在感光材料上的调色剂; (5)重复步骤(2) - (4),同时通过以下子步骤补充显影容器中的调色剂:(5a)将步骤(4)中回收的调色剂供应到显影容器,和(5b)提供处女 具有比起始显影剂中的电致调色剂更高的带电性的调色剂到显影容器,以在显影容器中形成混合的调色剂。 混合调色剂的平均电荷量的绝对值大于起始显影剂中的电致调色剂的平均电荷量的绝对值加上10μC/ g。 还公开了实现该方法的装置。