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    • 10. 发明授权
    • Apparatus for fluidized bed-electrostatic coating of indefinite length
substrate
    • 不确定长度衬底的流化床 - 静电涂层装置
    • US4271783A
    • 1981-06-09
    • US93993
    • 1979-11-14
    • John H. LupinskiBernard Gorowitz
    • John H. LupinskiBernard Gorowitz
    • B05C19/02H01B13/00B05B5/02
    • B05C19/025H01B13/0033
    • An elongate electrical conductor is continuously coated with electrostatically charged powder by passing the conductor upwardly through a tube into the upper portion of a container having a charged fluidized bed of the powder in a lower portion thereof. The tube extends upwardly through the bed and the tube height is adjusted relative to the upper surface of the bed to control the thickness of the powder coating. An array of electrodes having associated switches permits application of uniform coatings to conductors having a variety of shapes. Two or more conductors may be uniformly coated from the same fluidized bed in a container having a baffle which divides the upper portion into two or more compartments and spaced apart tubes extend upwardly into the different compartments.
    • 通过使导体向上通过管进入具有粉末的带电流化床的容器的上部的细长电导体连续涂覆静电电荷粉末。 管向上延伸通过床,并且管高度相对于床的上表面调节以控制粉末涂层的厚度。 具有相关开关的电极阵列允许将均匀的涂层施加到具有各种形状的导体上。 两个或多个导体可以在具有挡板的容器中从相同的流化床均匀地涂覆,该隔板将上部分成两个或更多个隔室,并且间隔开的管向上延伸到不同的隔室中。