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    • 8. 发明专利
    • Hot runner device for co-injection molding
    • 用于共注射成型的热流道装置
    • JP2008265188A
    • 2008-11-06
    • JP2007113019
    • 2007-04-23
    • Kata System:Kk株式会社型システム
    • DOOKU YUKIOSASAMURA MINORUOGAWA TORU
    • B29C45/28B29C49/06B29C49/22B29L9/00B29L22/00
    • B29C45/1646B29C45/1607
    • PROBLEM TO BE SOLVED: To provide a hot runner device for co-injection molding capable of heating two or more resins for formation of a multi-layer molding in the ranges of molding temperatures for individual kinds of the resins and preventing leakage of the resins due to differences in thermal expansion of the manifold block.
      SOLUTION: The hot runner device 70 for co-injection molding is used to manufacture a multi-layer molding by opening and closing the gate 35 through forward and backward movement of a stem 40 and injecting two or more resins A and B in order to produce the multi-layer molding. A resin passage 15 and 25 for resins A and B to be supplied from the resin supply section are arranged in manifold blocks 10 and 20 having heating mechanisms 18 and 27, respectively, and two or more manifold blocks 10 and 20 are disposed for each of the resins A and B in the forward-and-backward direction of the axis of the stem 40.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于共注射成型的热流道装置,其能够在各种树脂的成型温度范围内加热用于形成多层成型的两种或更多种树脂,并防止泄漏 由于歧管块的热膨胀差异引起的树脂。 解决方案:用于共注射成型的热流道装置70用于通过杆40的向前和向后运动打开和关闭浇口35来制造多层模制件,并将两种或多种树脂A和B注入 以生产多层成型。 从树脂供给部供给的树脂A和树脂B的树脂通道15和25分别设置在具有加热机构18和27的歧管块10和20中,并且分别设置两个或更多个歧管块10和20 树脂A和B在杆40的轴线的前后方向上。版权所有(C)2009,JPO&INPIT