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    • 7. 发明申请
    • DEVELOPING DEVICE AND METHOD
    • 开发设备和方法
    • WO2011009732A1
    • 2011-01-27
    • PCT/EP2010/059783
    • 2010-07-08
    • EASTMAN KODAK COMPANYSCHULZE-HAGENEST, DetlefROHDE, Domingo
    • SCHULZE-HAGENEST, DetlefROHDE, Domingo
    • G03G15/08G03G15/09
    • G03G15/0803G03G15/0935G03G2215/0621G03G2215/0634
    • A developing device for transferring toner particles to a photoconductor comprises a container for holding a developer of non-magnetic toner particles and hard magnetic carrier particles, a first developer roller which is at least partially arranged in said container and features a non-magnetic jacket tube and a magnetic core, the jacket tube and the magnetic core each being arranged so as to be rotatable about corresponding rotational axes, and at least a second developer roller which is arranged adjacent to the first developer roller in such a manner that carrier particles with toner particles adhering to them and being carried along by rotation of the first developer roller, contact the second developer roller in order to transfer the toner particles in a contacting manner to the second developer roller, said second developer roller being supported so as to be rotatable about a corresponding rotational axis. There are provided at least one drive unit for rotating the jacket tube, the magnetic core and the second developer roller, each about its respective rotational axis, as well as means for generating an alternating voltage field adjacent to the second developer roller in the region of an adjacent photoconductor. In a method for generating a toner image on a photoconductor, a charge image is first formed on the photoconductor and, subsequently, toner is applied, correspondingly to the charge image, to the photoconductor by way of a developing device. When the toner is being applied, the toner particles are triboelectrically charged in a developer of non-magnetic toner particles and hard magnetic carrier particles, the carrier particles with toner particles adhering to them are brought into contact with and transported by a first developer roller comprising a rotating non-magnetic jacket tube and a magnetic core rotating inside said jacket tube, the toner particles are transferred to a second developer roller arranged adjacent to the first developer roller and rotated in such a manner that carrier particles with the toner particles adhering to them contact the second developer roller, the photoconductor is moved at a prespecified distance along the rotating second developer roller, an alternating voltage field is generated in the region between the second developer roller and the photoconductor in order to generate via this means a cloud of toner particles in this region, and the toner particles are attracted to the photoconductor corresponding to the charge image.
    • 用于将调色剂颗粒转印到感光体的显影装置包括用于保持非磁性调色剂颗粒和硬磁性载体颗粒的显影剂的容器,至少部分地布置在所述容器中的第一显影辊,并且具有非磁性套管 以及磁芯,所述护套管和所述磁芯各自被布置为能够围绕相应的旋转轴线旋转;以及至少第二显影辊,其布置成与所述第一显影剂辊相邻,使得具有调色剂的载体颗粒 粘附到它们上并通过第一显影辊的旋转携带的颗粒接触第二显影辊,以便以接触的方式将调色剂颗粒转移到第二显影辊,所述第二显影辊被支撑成可围绕 相应的旋转轴。 提供至少一个驱动单元,用于围绕其相应的旋转轴线旋转护套管,磁芯和第二显影辊,以及用于在区域中产生与第二显影辊相邻的交变电压场的装置 相邻的感光体。 在用于在光电导体上产生调色剂图像的方法中,首先在感光体上形成电荷图像,并且随后通过显影装置将调色剂相应于电荷图像施加到感光体上。 当施加调色剂时,将调色剂颗粒摩擦带电到非磁性调色剂颗粒和硬磁性载体颗粒的显影剂中,附着有调色剂颗粒的载体颗粒与第一显影辊接触并由第一显影辊传送,第一显影辊包括 旋转的非磁性套管和在所述护套管内旋转的磁芯,调色剂颗粒被转移到与第一显影剂辊相邻布置的第二显影辊,并以使调色剂颗粒附着于其上的载体颗粒旋转 接触第二显影辊,光电导体沿着旋转的第二显影辊以预定的距离移动,在第二显影辊和感光体之间的区域中产生交变电压场,以通过这种方式产生一个调色剂颗粒云 在该区域中,调色剂颗粒被吸引到感光体c 或对应于费用图像。
    • 8. 发明申请
    • METHOD AND DEVICE FOR THE PRODUCTION OF A FILM
    • 用于生产电影的方法和装置
    • WO2010076108A1
    • 2010-07-08
    • PCT/EP2009/066076
    • 2009-11-30
    • EASTMAN KODAK COMPANYSCHULZE-HAGENEST, Detlef
    • SCHULZE-HAGENEST, Detlef
    • G03G15/01G03G15/16
    • G03G15/0194G03G15/161G03G2215/00497G03G2215/1695
    • The invention relates to a method and a device that permit the production of an optionally multi-colored film in a simple and cost-effective manner. In this method for the production of a film, toner is first applied to a transport belt with the use of at least one printing unit in such a manner that an essentially uninterrupted toner layer is formed on the transport belt. The toner on the transport belt is then heated with at least one first heat source to a temperature above a melting point of the toner and is subsequently cooled to below the melting point of the toner. Finally, the toner is removed from the transport belt as a cohesive material layer. The device comprises a transport belt, at least one printing unit arranged for applying a toner to the transport belt, and at least one heat source. Viewed in a direction of movement of the transport belt, the heat source is arranged downstream of the at least one printing unit in such a manner that said heat source is able to heat the toner present on the transport belt and that said heat source is suitable to heat the toner to a tem¬ perature above a melting point of said toner.
    • 本发明涉及允许以简单和成本有效的方式生产可选多色膜的方法和装置。 在制造薄膜的方法中,首先使用至少一个印刷单元将调色剂施加到输送带上,使得在输送带上形成基本上不间断的调色剂层。 然后将输送带上的调色剂与至少一个第一热源一起加热到高于调色剂熔点的温度,随后冷却至低于调色剂的熔点。 最后,将调色剂作为粘合材料层从传送带上移除。 所述装置包括传送带,至少一个印刷单元,布置成用于将调色剂施加到传送带上,以及至少一个热源。 沿着输送带的运动方向观察,热源设置在至少一个印刷单元的下游,使得所述热源能够加热存在于输送带上的调色剂,并且所述热源是合适的 以将调色剂加热到高于所述调色剂的熔点的温度。