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    Method for Producing a Multilayered Preform and a Preform
    10.
    发明申请
    Method for Producing a Multilayered Preform and a Preform 有权
    生产多层预制件和预制件的方法

    公开(公告)号：US20120052226A1

    公开(公告)日：2012-03-01

    申请号：US12952027

    申请日：2010-11-22

    申请人： Josef GLEIXNER

    发明人： Josef GLEIXNER

    IPC分类号： B32B1/08 ,  B29C45/16

    CPC分类号： B32B1/02 ,  B29B11/08 ,  B29B11/14 ,  B29B2911/1402 ,  B29B2911/14026 ,  B29B2911/1408 ,  B29B2911/14093 ,  B29B2911/14113 ,  B29B2911/1414 ,  B29B2911/14273 ,  B29B2911/14326 ,  B29B2911/14333 ,  B29B2911/14446 ,  B29B2911/14466 ,  B29B2911/14506 ,  B29C45/1671 ,  B29C45/1684 ,  B29C2045/1673 ,  B29L2017/00 ,  B65D1/0215 ,  Y10T428/13 ,  Y10T428/1352 ,  Y10T428/1393

    摘要： The invention relates to a multi-component injection moulding method for producing a sleeve-shaped preform as well as to a perform which has at least two layers, said method comprising at least two process steps including at least two cavities and at least one injection mould core that can be used for both cavities, and wherein during the first process step, the first layer which has at least one first and at least one second area extending partially in the circumferential direction of the preform, is injected onto the injection mould core within the first cavity, with the second area having a substantially lower layer thickness than the first area, and during the second process step, the second layer is deposited on the first layer which is located on the injection mould core in the second cavity in such a way that only the second area of the first layer is completely covered by the second layer, or during the first process step, the first area of the first layer is deposited partially on the injection mould core within the first cavity, with the remaining areas being covered by the second layer during a second process step within a second cavity.

    摘要翻译： 本发明涉及一种用于生产套筒状预制件的多组分注射成型方法以及具有至少两层的性能，所述方法包括至少两个工艺步骤，包括至少两个空腔和至少一个注射模具 芯，其可以用于两个空腔，并且其中在第一工艺步骤期间，具有在预成型件的圆周方向上部分延伸的至少一个第一和至少一个第二区域的第一层被注入到注塑模芯内部 所述第一腔体具有比所述第一区域基本上更低的层厚度，并且在所述第二工艺步骤期间，所述第二层被沉积在所述第二层中，所述第一层位于所述第二腔中的所述注射模芯上， 只有第一层的第二区域被第二层完全覆盖，或者在第一处理步骤期间，第一层的第一区域被部分地沉积 y在第一腔内的注射模芯上，其余区域在第二空腔内的第二工艺步骤期间被第二层覆盖。