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    • 29. 发明公开
    • Edge-gated nozzle
    • Düsemit Seitenanschnitt
    • EP2397301A1
    • 2011-12-21
    • EP11170133.0
    • 2011-06-16
    • Mold-Masters (2007) Limited
    • Fairy, Fabrice
    • B29C45/27
    • B29C45/2735B29C45/2725B29C45/278B29C2045/2716B29C2045/2787B29C2045/2798
    • An injection molding system is disclosed that includes a hot runner manifold (310) for providing a melt stream of moldable material to at least one hot runner nozzle (324) that is in fluid communication with one or more mold cavities (420) via at least one injection manifold (338) disposed proximate a downstream end of the nozzle. The at least one injection manifold having a substantially U-shape with at least one mold cavity being disposed between opposing arm segments thereof. Each mold cavity being fed by a pair of nozzle seals, wherein one of the pair of nozzle seals (432) extends inwardly from one of the opposing arm segments while the other of the pair of nozzle seals extends inwardly from the other of the opposing arm segments for directing a melt stream into the mold cavity.
    • 公开了一种注塑系统,其包括用于向至少一个热流道喷嘴(324)提供可模制材料的熔体流的热流道歧管(310),其经由至少一个或多个模腔(420)流体连通 在喷嘴的下游端附近设置一个喷射歧管(338)。 所述至少一个注射歧管具有大致U形,其中至少一个模腔设置在其相对的臂段之间。 每个模腔由一对喷嘴密封件供给,其中一对喷嘴密封件(432)中的一个从相对的臂部件之一向内延伸,而一对喷嘴密封件中的另一个从相对的臂的另一个向内延伸 用于将熔体流引导到模腔中的段。
    • 30. 发明公开
    • Injection molding system with nozzle in tandem
    • Spritzgiesssystem mitDüse在Tandem。
    • EP0337454A2
    • 1989-10-18
    • EP89106618.5
    • 1989-04-13
    • MOLD-MASTERS LIMITED
    • Schmidt, Harald HansMcEnroe, Michael C.
    • B29C45/27
    • B29C45/27B29C2045/2783B29C2045/2798
    • This invention relates to an injection molding system having two heated nozzles mounted in tandem. The rearward nozzle (12) is considerably longer than the forward nozzle (10) and has a melt bore (90) which is considerably larger in diameter than the melt bore (44) of the forward nozzle. The smaller forward nozzle (10) has a backplate (74) secured to its rear end (48) with a thin flanged portion (76) which extends outwardly and rearwardly into bearing contact against a rearward mold core (16) to secure the forward nozzle (10) in position in a well (22) in a forward mold core (14). The rear face (84) of the backplate (74) has a seat (82) extending around the melt bore (80) to receive a cylindrical forward portion (106) of a gate insert (100) mounted on the forward end (96) of the rearward nozzle (12). Thus thermal expansion of the larger rearward nozzle (12) is taken up by the forward portion (106) of the gate insert (100) sliding in the seat (82). The smaller forward nozzle (10) has a portion (56) of the electrical heating element (52) extending into a forwardly extending nose portion (24) which provides sensitive temperature control in the gate (34) area.
    • 本发明涉及一种具有串联安装的两个加热喷嘴的注塑系统。 向后喷嘴(12)比正向喷嘴(10)长得多,并且具有比正向喷嘴的熔体孔(44)直径大得多的熔体孔(90)。 较小的向前喷嘴(10)具有固定到其后端(48)的背板(74),其具有薄的凸缘部分(76),其向外并向后延伸到与后模芯(16)的轴承接触中,以固定前向喷嘴 (10)在正向模芯(14)中的井(22)中的适当位置。 背板(74)的后表面(84)具有围绕熔体孔(80)延伸的座(82),以容纳安装在前端(96)上的浇口插入件(100)的圆柱形前部(106) 的后喷嘴(12)。 因此,较大的向后喷嘴(12)的热膨胀由在座(82)中滑动的闸刀插入件(100)的前部(106)吸收。 较小的正向喷嘴(10)具有电加热元件(52)的一部分(56),该部分(56)延伸到向前延伸的鼻部(24)中,这在门(34)区域中提供敏感的温度控制。