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    • 2. 发明专利
    • Molding method of multi-color synthetic resin molded part, molding equipment and molded part thereof
    • 多色合成树脂成型件的成型方法,成型设备及其成型部件
    • JPS61108519A
    • 1986-05-27
    • JP23007084
    • 1984-11-02
    • Yoshida Kogyo Kk
    • HATAKEYAMA YOSHIHARUTEJIMA KENZOISHIKAWA TATSUO
    • B29C45/26B29C45/14B29C45/16
    • B29C45/1635B29C2045/1659B29C2045/167
    • PURPOSE: To obtain mass-producible multi-color synthetic resin molded part at low cost by a method wherein two synthetic resins are integrally welded together by injecting the one molten resin from a second gate, after injecting the other molten resin, which is compatible with said resin and at the same time pigmented with color different from said resin, is injected from a first gate.
      CONSTITUTION: Firstly, molten synthetic resin 22 is injected from a first gate 17 into a cavity space 15 under the state that a block 6 is held at the advanced position against the energizing force of a spring 8. Secondly, the block 6 is slided to the retreated position by driving a driving member 12 after the completion of the filling of resin and at the same time before the complete solidification of the filled resin in order to divide a second cavity 23. by injecting synthetic resin 24, which is compatible with the resin 22 and at the same time pigmented with color different from the resin 22, from a second gate 18 into the space 23, a multi-color molded part, the resin 22 of which is completely integrally welded to the resin 24 by the heat and pressure of the resin 24, is obtained.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过将两种合成树脂通过从第二浇口注入一种熔融树脂而一体地焊接在一起的方法,在注入另一种熔融树脂之后,可以以低成本获得大量生产的多色合成树脂模制零件 所述树脂并且同时着色有与所述树脂不同的颜色,从第一浇口注入。 构成:首先,熔融合成树脂22在块6被保持在前进位置抵抗弹簧8的作用力的状态下从第一门17注入到空腔15中。其次,将块6滑动到 通过在完成树脂填充之后驱动驱动构件12,并且在填充树脂完全固化之前的同时通过驱动驱动构件12以便分开第二空腔23.通过注入合成树脂24来回缩位置,合成树脂24与 树脂22,并且与颜色不同于树脂22的颜色同时从第二浇口18进入空间23;多色模制部件,其树脂22通过热量完全整体地焊接到树脂24上,以及 获得树脂24的压力。