Neck ring for forming a neck portion of a preform and the mold stack incorporating same
    5.
    发明授权
    Neck ring for forming a neck portion of a preform and the mold stack incorporating same 失效
    用于形成预成型件的颈部的颈圈和包含其的模具叠层

    公开(公告)号:US08398392B2

    公开(公告)日:2013-03-19

    申请号:US13005625

    申请日:2011-01-13

    IPC分类号: B29C45/34 B29D1/00

    摘要: There is provided a neck ring for defining at least a portion of a neck portion of a preform. The neck ring comprises a body having: mounting flange and a molding face, the molding face including a venting structure, the venting structure having: (i) a plurality of air vent grooves for collecting and venting, in use, excess air from a molding cavity as it is being filled with the molding material, and (ii) an air collector groove in fluid communication with the plurality of air vent grooves for providing an evacuation path for the air to be vented from the plurality of air vent grooves.

    摘要翻译: 设置有用于限定预成型件的颈部的至少一部分的颈环。 颈环包括具有安装凸缘和模制面的主体,模制面包括通气结构,该排气结构具有:(i)多个排气槽,用于在使用中收集和排出来自模制件的多余空气 并且(ii)与所述多个排气槽流体连通的空气收集器槽,用于提供用于从所述多个排气槽排出的空气的抽空路径。