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    • 51. 发明公开
    • A method and device for the production of lined panels by low presssure injection.
    • 用于通过低压注射成型生产涂敷面板的方法和设备。
    • EP0623443A1
    • 1994-11-09
    • EP93830051.4
    • 1993-02-12
    • COMMER S.p.A.
    • Vecchiarino, Luigi
    • B29C45/14
    • B29C45/1418B29C2045/14188
    • A method for the production of lined panels comprising the simultaneous coupling and injection molding of the panel support (8) with the relevant lining (1) in tape or sheet introduced between two half-molds (2,3) of matching shape that are approached as far as a preset distance ranging between 70% and 80% of the thickness of the lining. The subsequent injection of the thermoplastic material is performed at low pressure in more points of the mold by means of injectors (7) independently controlled in temperature and flow rate.
      The invention also concerns a device for carrying out the method that envisages a dispensing unit (5) of the thermoplastic material positioned between the press (6) and a plurality of injectors (7) independently controlled in temperature and flow rate, as well as means to keep the half-molds (2,3) appropriately spaced during injection.
    • 一种用于生产衬面板,其包括面板支架(8)在带或片的匹配形状的两个半模(2,3)之间引入相关衬(1)的同时联接和注射成型的方法并在接近 据预先设定的距离的范围为70%和衬里的厚度的80%之间。 的热塑性材料的注射之后在低压下在模具中由喷射器(7)unabhängig控制温度和流速的方式的多个点执行。 因此,本发明涉及一种用于执行该方法确实设想分配单元压力机之间定位在所述热塑性材料(6)和喷射器的多个(5)(7)unabhängig控制温度和流速,以及手段 以保持半模(2,3)在注射过程中适当地间隔开。