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    • 7. 发明申请
    • MOLDING SYSTEM WITH PREFORM PRE-STRETCHING
    • 预成型预拉伸成型系统
    • WO2013132287A2
    • 2013-09-12
    • PCT/IB2012/003010
    • 2012-12-21
    • AMCOR LIMITED
    • MAKI, Kirk, EdwardLISCH, George, DavidWILSON, BradleyMAST, Luke, A.
    • B29C49/38B29C49/02
    • B29D22/003B29C49/06B29C49/12B29C49/4205B29C49/6418B29C49/68B29C2049/1257B29C2049/1261B29C2049/465
    • A system for pre-stretching a preform utilized in forming a container. The system including an oven, a conveyor system configured for transporting preforms through the oven a blow molding station having at least one mold with interior surfaces defining the shape of the container, and a transfer station configured to transfer a preform from the oven into the blow molding station. The system also includes a stretch rod and an actuator. The stretch rod is movable between retracted and extended positions such that, when in the extended position, the stretch rod is positioned interiorly of the preform and the preform is elongated by the stretch rod to form a pre-stretched preform. The stretch rod is located to form the pre-stretched preform prior to the blowing medium being introduced into the preform in the blow molding station.
    • 一种用于预拉伸用于形成容器的预制件的系统。 该系统包括烤箱,被配置用于传送预成型件通过烤箱的传送系统,具有至少一个具有限定容器形状的内表面的模具的吹模站以及被配置为将预成型件从烤箱传送到吹气件的传送站 成型站。 该系统还包括一个拉伸杆和一个执行器。 拉伸杆可在缩回位置和延伸位置之间移动,使得当处于延伸位置时,拉伸杆位于预制件的内部,并且预制件由拉伸杆拉长以形成预拉伸预制件。 在吹塑介质被引入吹塑站中的预成型件之前,拉伸杆被定位成形成预拉伸的预成型件。