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    Sprue bar assembly for use in a stack mold
    1.
    发明授权
    Sprue bar assembly for use in a stack mold 有权
    用于堆叠模具的浇道杆组件

    公开(公告)号：US5968562A

    公开(公告)日：1999-10-19

    申请号：US141588

    申请日：1998-08-28

    申请人： Robert D. Schad ,  Bruce Catoen ,  Zbigniew Romanski ,  Harold Godwin

    发明人： Robert D. Schad ,  Bruce Catoen ,  Zbigniew Romanski ,  Harold Godwin

    IPC分类号： B29C45/12 ,  B29C45/32

    CPC分类号： B29C45/12 ,  B29C45/322

    摘要： A sprue bar assembly for a melt transfer system for stack molds comprises a sprue bar and a sprue bar sleeve, a sprue bar and drool restrictor and sleeve or a sprue bar and drool restrictor. For the assemblies with the sleeve, when the stack mold is opened, the sprue bar slides inside the sprue bar sleeve which captures any leakage therefrom. When the mold is closed, the sprue bar sweeps captured leakage out of the sleeve to an area outside the mold. As the busing at the end of the sprue bar can contact the nozzle of the injection machine at a point very close to the edge of the fixed platen, the resulting minimum length of the sprue bar is reduced, reducing pressure losses through the sprue bar and reducing the cost of the sprue bar. The sprue bar sleeve can be fabricated from an insulating material to enhance the thermal characteristics of the sprue bar assembly and a scraper can be provided on the sprue bar to improve removal of captured material from the sprue bar sleeve. If a drool restrictor is provided within the bushing, the amount of drool from the sprue bar when the bushing is not in engagement with the nozzle of the injection machine can also be reduced and, in some circumstances, can eliminate the need for the sleeve.

    摘要翻译： 用于堆叠模具的熔体传输系统的浇道棒组件包括浇道棒和浇道棒套筒，浇道棒和浇口限流器以及套管或浇道棒和浇口限流器。 对于具有套筒的组件，当堆叠模具打开时，浇道棒在浇道杆套筒内滑动，从而捕获任何泄漏。 当模具关闭时，浇道将捕获的泄漏物从套筒中扫出到模具外部的区域。 由于浇注棒端部的冲击可以在非常接近固定压板边缘的点处接触注塑机的喷嘴，导致浇注棒的最小长度减小，从而降低通过浇注棒的压力损失和 降低浇道条的成本。 浇道棒套筒可以由绝缘材料制成，以增强浇道棒组件的热特性，并且可以在浇道棒上设置刮刀，以改善从浇道棒套筒中取出捕获的材料。 如果在套管内设置流出口限流器，则也可以减少当衬套不与注射机的喷嘴接合时来自浇道棒的流出量，并且在一些情况下可以消除对套筒的需要。

    Shooting pot actuator for an injection molding machine
    2.
    发明授权
    Shooting pot actuator for an injection molding machine 有权
    注射成型机的拍摄壶执行器

    公开(公告)号：US06491509B1

    公开(公告)日：2002-12-10

    申请号：US09680977

    申请日：2000-10-06

    申请人： Robert D. Schad ,  Roberto D. Sicilia ,  Ronald Ing ,  Bruce Catoen ,  Robert Domodossola

    发明人： Robert D. Schad ,  Roberto D. Sicilia ,  Ronald Ing ,  Bruce Catoen ,  Robert Domodossola

    IPC分类号： B29C4516

    CPC分类号： B29C45/53 ,  B29C45/02 ,  B29C45/1642 ,  B29C45/54

    摘要： A shooting pot actuator for an injection molding machine having two plates carrying pusher rods for pushing against injection plungers within the shooting pots. The plates are mounted outside the mold and the clamp unit, and the pushers extend through bores in the stationary platen of the clamp unit to reach the injection plungers. The actuator reduces the cost and complication of mold design and production, and permits simplified adjustment of the injection plunger stroke.

    摘要翻译： 一种用于注射成型机的射出缸致动器，具有两个承载推杆的板，用于推动射出缸内的注射柱塞。 板被安装在模具和夹具单元外部，并且推动器延伸穿过夹具单元的固定压板中的孔以到达注射柱塞。 执行器降低了模具设计和生产的成本和复杂性，并且允许简化的注射柱塞行程的调整。

    Failsafe shooting pot actuator for an injection molding machine
    7.
    发明授权
    Failsafe shooting pot actuator for an injection molding machine 有权
    注射成型机的故障安全射出缸执行器

    公开(公告)号：US06276916B1

    公开(公告)日：2001-08-21

    申请号：US09342914

    申请日：1999-06-30

    申请人： Robert D. Schad ,  Robert Sicilia ,  Ronald Ing ,  Bruce Catoen ,  Robert Domodossola

    发明人： Robert D. Schad ,  Robert Sicilia ,  Ronald Ing ,  Bruce Catoen ,  Robert Domodossola

    IPC分类号： B29C4584

    CPC分类号： B29C45/84 ,  B29C2045/848

    摘要： A failsafe device, or pressure relief mechanism, for a shooting pot actuator in an injection molding machine. The shooting pot actuator has a multiple pusher rods mounted on one, or more, plates. Moving the plate holding the pusher rods depresses the shooting pot injection pistons and injects molten material into a number of mold cavities. To avoid damage to the machine from the pusher rods if an injection piston seizes, a failsafe device is used to mount the pusher rods to the plates. A shearing member is interposed, or sandwiched, between first and second apertures. Typically, the shearing member is a plate that, in normal operating conditions, blocks rearward movement of the pusher rod. However, when a predetermined shear force is applied to the shear plate, the shearing member shears and the pusher rod retracts within the channel, thereby alleviating the pressure. The failsafe device can be paired with a seizure detection system, using a laser beam, that detects piston and valve gate seizure, and provides appropriate notification or control signals.

    摘要翻译： 用于注射成型机中的射出缸致动器的故障保护装置或压力释放机构。 射击缸致动器具有安装在一个或多个板上的多个推杆。 移动保持推杆的板压下射出缸注射活塞并将熔融材料注入多个模腔中。 如果注射活塞被抓住，为了避免从推杆损坏机器，使用故障安全装置将推杆安装到板上。 剪切构件插入或夹在第一和第二孔之间。 通常，剪切构件是在正常操作条件下阻挡推杆的向后运动的板。 然而，当剪切板施加预定的剪切力时，剪切构件剪切和推杆在通道内缩回，从而减轻压力。 故障安全装置可以与使用激光束的检测系统配对，检测活塞和阀门闸，并提供适当的通知或控制信号。

    Apparatus for injection molding over-molded articles
    9.
    发明授权
    Apparatus for injection molding over-molded articles 失效
    用于注塑成型制品的装置

    公开(公告)号：US06634877B2

    公开(公告)日：2003-10-21

    申请号：US09970800

    申请日：2001-10-05

    申请人： Robert Sicilia ,  Robert Schad ,  Tom Mcginley ,  Doug Hietkamp ,  Bruce Catoen

    发明人： Robert Sicilia ,  Robert Schad ,  Tom Mcginley ,  Doug Hietkamp ,  Bruce Catoen

    IPC分类号： B29C4906

    CPC分类号： B29C45/045 ,  B29C45/062 ,  B29C45/1625 ,  B29C45/1675 ,  B29C2043/3684 ,  B29K2105/253

    摘要： An injection molding machine for forming a multi-layer plastic article by over molding where the second layer of the article includes a portion having a different geometrical profile than the first. The injection mold machine comprises an array of one or more cores which engage arrays of one or more first cavity and arrays of one or more composite cavities. Each composite cavity is formed from the combination of a second cavity and a cavity extension which carries at least a portion of the different geometrical profile. In one embodiment, the cavity extension comprises a pair of cavity portions which are mounted adjacent the core to laterally moveable slides on a movable platen. In another embodiment, the cavity extension is a single element which is moved between a disengaged position wherein the core can be inserted into the first cavity and an engaged position wherein the core is inserted into the composite cavity.

    摘要翻译： 一种用于通过过模塑形成多层塑料制品的注射成型机，其中制品的第二层包括具有与第一层不同的几何形状的部分。 注射模具机包括一个或多个芯的阵列，其接合一个或多个第一腔和一个或多个复合腔的阵列的阵列。 每个复合空腔由第二腔体和空腔延伸部的组合形成，该第二腔体和腔体延伸部分承载不同几何轮廓的至少一部分。 在一个实施例中，空腔延伸部包括一对空腔部分，这些空腔部分相对于芯部安装在可移动压板上的可横向移动的滑块上。 在另一个实施例中，空腔延伸部是在分离位置之间移动的单个元件，其中芯可插入第一腔体中，并且接合位置，其中芯体插入到复合腔体中。