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2. 发明公开

EP2108500A1 Apparatus for extrusion-blow molding a bottle for assembly with metal can end 有权
标题翻译： Vorrichtung zur Blasstrangpressen einer Flasche zur Montage mit einem Metallkannenende
公开(公告)号：EP2108500A1
公开(公告)日：2009-10-14
申请号：EP09075043.1
申请日：2009-01-23
申请人： BALL CORPORATION
发明人： Thierjung, George A. , Richardson, Michael D. , Kaanta, Jason M.
IPC分类号： B29C49/62 , B29C49/04 , B29C49/50 , B29C69/00 , B29C49/22 , B29C47/06
CPC分类号： B29C49/62 , B29C47/0023 , B29C47/0026 , B29C47/0033 , B29C47/0054 , B29C47/06 , B29C49/04 , B29C49/22 , B29C49/4278 , B29C49/50 , B29K2023/0633 , B29K2023/065 , B29K2023/086 , B29K2023/12 , B29K2027/06 , B29K2067/00 , B29K2069/00 , B29K2077/00 , B29L2009/00 , B29L2031/7158 , Y10S425/812
摘要： An extrusion blow mold (10) for forming a plastic bottle having a radial flange suitable for roll-form attachment to a metal can end. The mold has a pair of confronting mold halves (16), each mold half including a body forming portion (18), a bottom pinch-off portion (20) located below the body forming portion, a top block portion (26) including a blow chamber (28) located above the body forming portion, and a spin-ring forming portion (36) located between the body forming portion and the top block portion. The spin-ring forming portion includes a thread ring insert (38) and a cutter ring insert (40). The thread ring insert has an inside upper edge including an outwardly extending surface terminating in a step defining a lower surface and a outer edge of a radial flange. The cutter ring insert is positioned immediately above the thread ring insert. The cutter ring insert has a lower surface adjacent an inside edge defining an upper surface of the radial flange including a tapered inner edge extending upward and inward from the step. At least one of the thread ring insert and cutter ring insert includes a relief surface connected to a vent channel to permit gas to escape from the area defining the radial flange.
摘要翻译：一种用于形成塑料瓶的挤出吹塑模具（10），所述塑料瓶具有适于辊形连接到金属罐端部的径向凸缘。模具具有一对相对的半模（16），每个半模包括主体形成部分（18），位于主体形成部分下方的底部夹紧部分（20），顶部块部分（26）位于主体形成部分上方的吹气室（28）和位于主体形成部分和顶部块部分之间的旋转环形成部分（36）。旋转环形成部分包括螺纹环插入件（38）和切割器环插入件（40）。螺纹环插入件具有内部上边缘，其包括向外延伸的表面，其终止于限定径向凸缘的下表面和外边缘的台阶。刀环插入件位于线环插入件的正上方。刀环插入件具有邻近限定径向凸缘的上表面的内边缘的下表面，包括从台阶向上和向内延伸的锥形内边缘。螺纹环插入件和切割器环形插入件中的至少一个包括连接到排气通道的浮雕表面，以允许气体从限定径向凸缘的区域逸出。

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