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    PREFORM EXTRUSION MOLDING APPARATUS, METHOD FOR EXTRUSION MOLDING, AND PREFORM
    3.
    发明公开
    PREFORM EXTRUSION MOLDING APPARATUS, METHOD FOR EXTRUSION MOLDING, AND PREFORM 审中-公开
    预挤压成型设备，挤压成型方法和预制件

    公开(公告)号：EP3222400A1

    公开(公告)日：2017-09-27

    申请号：EP17170702.9

    申请日：2012-11-06

    申请人： Yoshino Kogyosho Co., Ltd.

    发明人： CHIBA, Junichi ,  SHIMIZU, Kazuhiko ,  HOSOKOSHIYAMA, Hiroshi

    IPC分类号： B29C45/16 ,  B29B11/08 ,  B29C45/76 ,  B29C49/06 ,  B29C49/22 ,  B29C49/12 ,  B29C45/77 ,  B29K105/00 ,  B29L9/00

    CPC分类号： B29D22/00 ,  B29B11/08 ,  B29B2911/1406 ,  B29B2911/14066 ,  B29B2911/1408 ,  B29B2911/14093 ,  B29B2911/141 ,  B29B2911/1444 ,  B29B2911/14466 ,  B29B2911/14473 ,  B29C45/1603 ,  B29C45/1646 ,  B29C45/77 ,  B29C49/06 ,  B29C49/12 ,  B29C49/22 ,  B29C2045/1648 ,  B29C2945/76568 ,  B29C2945/76755 ,  B29K2105/258 ,  B29L2009/00 ,  B65D23/02

    摘要： A technical problem of this invention is to control the behavior of an intermediate layer in the preform bottom at high productivity and in a high degree of accuracy in the injection molding of a preform having a second-resin layer laminated with main-resin layers. A principal means of this invention to solve this technical problem is a process for injection molding a preform in a test tube shape having an intermediate layer of a second-resin layer laminated with main-resin layers. This process comprises the steps of: supplying a main resin from an outer flow channel and an inner flow channel to a joined flow channel at a predetermined supply velocity for a predetermined period of time; supplying a second resin from a middle flow channel to the joined flow channel simultaneously with the main resin at a predetermined supply velocity for a certain period of time within the predetermined period of time; and sliding a shut-off pin to bring the pin forefront to a predetermined position near an outlet of the inner flow channel, which is open to the joined flow channel, previously before the second resin is supplied, or during a period of time starting after a predetermined time from the start of the second resin supply and ending with the termination of the supply, so that the velocity of main resin supply from the inner flow channel to the joined flow channel is reduced to a predetermined level by adjusting the degree of aperture for the outlet.

    摘要翻译： 本发明的技术问题是在具有与主要树脂层层压的第二树脂层的预成型件的注射成型中以高生产率和高精度控制预成型件底部中的中间层的行为。 解决该技术问题的本发明的主要手段是注射成型具有与主要树脂层层压的第二树脂层的中间层的试管形状的预制件的方法。 该方法包括以下步骤：以预定供应速度将主树脂从外部流动通道和内部流动通道供应到接合流动通道达预定时间段; 在预定时间段内以预定供应速度将主树脂同时从中间流动通道供应到接合流动通道一段特定时间; 并且在供给第二树脂之前或者在开始之后的一段时间期间滑动关闭销以使销前端到达内部流动通道的出口附近的预定位置，该内部流动通道的出口向接合流动通道开放 从第2树脂供给开始到供给结束为止的规定时间，通过调整开口度，将从内侧流路到结合流路的主树脂的供给速度降低到规定的水平 为出口。

    HYDROBLOW PREFORM DESIGN
    5.
    发明公开
    HYDROBLOW PREFORM DESIGN 审中-公开
    HYDROBLOW-VORFORM-ENTWURF

    公开(公告)号：EP2616227A4

    公开(公告)日：2017-02-22

    申请号：EP11825752

    申请日：2011-09-13

    申请人： DISCMA AG

    发明人： MAKI KIRK EDWARD ,  LISCH GEORGE DAVID

    IPC分类号： B29C49/02 ,  B29C49/28 ,  B29C49/42

    CPC分类号： B29C49/0073 ,  B29B2911/1444 ,  B29B2911/14486 ,  B29C49/06 ,  B29C49/14 ,  B29C2049/1219 ,  B29C2049/1238

    摘要： A mold device for forming a plastic container from a preform. The preform includes at least one exterior feature formed thereon. The mold device comprises a mold defining a mold cavity, and a central exterior rod being movable within the mold cavity. The central exterior rod includes a locating feature formed therewith that is engagable with the at least one exterior feature of the preform for maintaining a central orientation of the preform within the mold cavity during forming.

    摘要翻译： 一种用于从预制件形成塑料容器的模具装置。 预成型件包括形成在其上的至少一个外部特征。 模具装置包括限定模具腔的模具和可在模腔内移动的中心外部杆。 中央外部杆包括由其形成的定位特征，其可与预型件的至少一个外部特征接合，以在成形期间保持预成型件在模具腔内的中心定向。