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    • 6. 发明授权
    • Process for electrostatic coating with pulverized material and apparatus
used in said process
    • 用粉碎材料静电涂覆的方法和用于所述方法的装置
    • US4321281A
    • 1982-03-23
    • US8564
    • 1979-02-01
    • Tsutomu Itoh
    • Tsutomu Itoh
    • B05B5/08B05B15/04B05D1/04B05D1/06
    • B05B15/0412B05B5/08B05D1/045B05D1/06Y02P70/36
    • This invention relates to a process for electrostatically coating a substantially axially symmetrical object with pulverized material, characterized by supporting said object maintained at a temperature below the melting point of said pulverized material in an electrostatic coating chamber having a substantially axially symmetrical shape and equipped with silent discharge plate electrodes on the inside of said chamber; feeding electrically charged pulverized material into said chamber; electrostatically coating said object with said pulverized material by the action of silent discharge from said electrodes; and removing surplus pulverized material from specific parts of said object by suction.This invention further relates to an apparatus used for electrostatically coating a substantially axially symmetrical object with pulverized synthetic resin, which comprises (i) an electrostatic coating chamber where said pulverized synthetic resin is coated on the surface of said object maintained at a temperature below the melting point of said resin; and (ii) a device for removing surplus pulverized resin from specific parts of said object by suction to electrostatically coat the desired parts only.
    • 本发明涉及一种用粉碎材料静电涂覆基本轴向对称的物体的方法,其特征在于将所述物体保持在低于所述粉碎材料的熔点的温度的静电涂覆室中,所述静电涂覆室具有基本轴向对称的形状并且装备有沉默 在所述室的内部放电板电极; 将带电的粉碎材料供给到所述室中; 通过所述电极的静音放电的动作,用所述粉碎材料静电涂覆所述物体; 以及通过抽吸从所述物体的特定部分去除剩余的粉碎材料。 本发明还涉及一种用于用粉碎的合成树脂静电涂覆基本上轴向对称的物体的设备,其包括(i)静电涂布室,其中所述粉碎的合成树脂被涂覆在所述物体的表面上,保持在低于熔融温度的温度 所述树脂的点; 和(ii)用于通过抽吸从所述物体的特定部分除去多余的粉碎树脂以静电涂覆所需部件的装置。
    • 7. 发明授权
    • Powder charging device
    • 粉末充电装置
    • US4227652A
    • 1980-10-14
    • US35476
    • 1979-05-03
    • Tsutomu Itoh
    • Tsutomu Itoh
    • B05B5/025B05B5/03B05B5/02
    • B05B5/032
    • On the downstream side of a large-diameter cylindrical flow path is disposed a small-diameter cylindrical flow path having a smaller inner diameter than the inner diameter of the large-diameter cylindrical flow path contiguously to the large-diameter cylindrical flow path, an annular electrode is disposed at the upstream end of the small-diameter cylindrical flow path, a needle electrode is provided at the center of the annular electrode applying a D.C. high voltage between the electrodes, and upon charging powder contained in a mixed-phase flow through said cylindrical flow paths, a substantial slip velocity is given to the mixed-phase flow adjacent to the surface of the annular electrode.
    • 在大直径圆柱形流动路径的下游侧设置有与大直径圆柱形流动路径相邻的大直径圆柱形流动通道的内径较小的小直径圆柱形流动通道,环形 电极设置在小直径圆柱形流动路径的上游端,针状电极设置在环形电极的中心处,在电极之间施加直流高压,并且在将包含在混合相流中的粉末充入所述电极 圆柱形流动路径,给予邻近环形电极表面的混合相流的实质滑移速度。
    • 8. 发明授权
    • Apparatus for forming a powder layer on the surface of a metallic
squeeze-out tube
    • 在金属排液管表面形成粉末层的装置
    • US4112869A
    • 1978-09-12
    • US762504
    • 1977-01-26
    • Tsutomu ItohNobuo FuruyaKenji Ohuchi
    • Tsutomu ItohNobuo FuruyaKenji Ohuchi
    • B05B5/08B05B5/12B05C19/00B65D35/14F16L9/02B05B5/02
    • B65D35/14B05B5/08B05B5/12B05C19/005F16L9/02Y10S220/917
    • A novel metallic squeeze-out tube suitable for packing paste-like foods whose flavor is regarded as important or the like is described herein, in which a resin powder layer is formed on its inner surface and on the outer surface of its neck portion by electrostatic painting and thereafter it is finished by baking, whereby a resin coating film that is free from pin holes and has a strong corrosion resistance can be formed. Also a novel apparatus for forming a resin powder layer for such metallic squeeze-out tube is described, in which a cylindrical high voltage electrode is disposed in the proximity of an outer surface of a neck portion of an unprocessed metallic squeeze-out tube, a rod-shaped electrode to be inserted concentrically to the interior of the neck portion is provided if the inner diameter of the neck portion is large, a cylindrical high voltage electrode that is vertically movable and adapted to eject resin powder is disposed in the interior of the body portion of the squeeze-out tube, and further, air flows at the various portions in the metallic squeeze-out tube are adjusted so as to continuously form a powder layer.
    • 本文描述了一种适用于包装其味道重要等的糊状食品的新型金属挤出管,其中通过静电在其颈部的内表面和外表面上形成树脂粉末层 然后通过烘烤完成,从而可以形成不具有针孔并具有强耐腐蚀性的树脂涂膜。 还描述了一种用于形成这种金属挤出管的树脂粉末层的新型装置,其中圆柱形高压电极设置在未加工的金属挤出管的颈部的外表面附近, 如果颈部的内径大,则设置与颈部内部同心地插入的棒状电极,将能够上下移动并适合于喷射树脂粉末的圆柱形高压电极设置在内部 挤出管的主体部分,并且还调节在金属挤出管中的各个部分处的空气流动,以便连续地形成粉末层。
    • 9. 发明授权
    • Instrument for measuring mass flow rate of powder, and electrostatic powder coating apparatus utilizing the same
    • 用于测量粉末的质量流量的仪器和使用该粉末的静电粉末涂覆装置
    • US06176647B1
    • 2001-01-23
    • US09077165
    • 1998-05-21
    • Tsutomu Itoh
    • Tsutomu Itoh
    • B65G5136
    • B05B7/1404B05B5/1683B05B7/144B05B7/1472B05B12/085C25D7/04C25D15/00G01F1/383G01F1/74G01F13/005
    • A miniaturized, inexpensive instrument for measuring the mass flow rate of powder, which is capable of directly outputting the mass flow rate of powder and whose characteristics are not influenced by the kind and physical properties of the powder. The instrument can be easily manufactured, installed, operated, maintained, and color change can be easily done. A constant powder feeder, which is constructed based on this instrument and an electrostatic powder coating system utilizing this feeder has a high performance and a high operational efficiency. A measuring gas with a regulated flow rate is turned into a thin-layer of high-speed gas jets by a dispersion means, thereby powder is cross-dispersed and introduced into a measuring tube, the pressure difference generated therein is measured, and a feeding means is subject to feedback control so that the output of the pressure difference coincides with a set value.
    • 用于测量粉末质量流量的小型化,便宜的仪器,其能够直接输出粉末的质量流量,其特性不受粉末的种类和物理性质的影响。 该仪器可以轻松地制造,安装,操作,维护,并可以轻松地进行颜色更换。 基于该仪器构造的恒定粉末给料机和利用该进料器的静电粉末涂布系统具有高性能和高操作效率。 具有调节流量的测量气体通过分散装置变成高速气体射流的薄层,由此将粉末交叉分散并引入测量管中,测量其中产生的压力差,并且进料 装置受到反馈控制,使得压力差的输出与设定值一致。