Dual flow divider with diverter valve
    1.
    发明授权
    Dual flow divider with diverter valve 失效
    双分流器带分流阀

    公开(公告)号:US5616350A

    公开(公告)日:1997-04-01

    申请号:US419306

    申请日:1995-04-10

    CPC classification number: B29C47/0816 B29C47/70 B29C47/0009 Y10T137/8782

    Abstract: The present invention provides a dual flow divider for use on an extruder. The flow divider is configured to separate the melt stream received from the extruder at a central entry into two flow channels, the respective channels being formed as nearly to identical (mirror image) as is practically possible. The relative flow in the respective channels can be varied by rotating a diverter valve that extends to a position adjacent the central entry of the flow divider, i.e., where the flow begins to divide. The flow channels and control end of the diverter valve are specially configured to avoid any shape or surface conditions that would impose heat-generating restrictions to material flow, and/or allow areas of stagnation in the flow stream. More specifically, the flow channels are machined to provide smooth, streamlined transitions at all points along the flow path. The surfaces of the flow channels which intersect with the diverter valve do so at a sharp edge; this geometry blends the surfaces of the channels and valve while also serving as a "wiper" when the valve is rotated.

    Abstract translation: 本发明提供一种用于挤出机的双流分隔器。 分流器构造成将在中心入口处的从挤出机接收的熔体流分离成两个流动通道,各个通道形成为几乎相同(镜像),实际上可能。 可以通过旋转延伸到与分流器的中心入口相邻的位置,即流动开始分开的位置的转向阀来改变相应通道中的相对流动。 分流阀的流动通道和控制端被特别地构造成避免了将对材料流动施加发热限制的任何形状或表面条件,和/或允许流动流中停滞的区域。 更具体地,流动通道被加工以在沿着流动路径的所有点处提供平滑的,流线型的过渡。 与分流阀相交的流道的表面在锋利的边缘进行; 这种几何形状混合了通道和阀门的表面,同时当阀门旋转时也作为“刮水器”。

    Carrier for bottle preforms
    2.
    发明授权
    Carrier for bottle preforms 失效
    瓶子瓶子的载体

    公开(公告)号:US4890726A

    公开(公告)日:1990-01-02

    申请号:US239267

    申请日:1988-09-01

    Abstract: A preform carrier adapted to be received in the open end of a wide mouth tubular container preform for internally gripping the preform to permit carrying the preform from a heating station to a container blowing station. The carrier includes a flexible annular gripping member in the form of a gripping and sealing ring that is resiliently flexible in a radial direction, relative to the preform axis, for engaging the inner surface of the preform finish. The gripping member includes an annular sealing ridge on its outermost surface for gripping and sealing against the inner surface of the preform finish. The gripping member is of generally U-shaped configuration, and includes an inner annular U-shaped spring for urging the legs of the sealing ring outwardly to provide a gripping and sealing force against the inner surface of the preform finish.

    Extruder venting system with vacuum shuttle valve
    3.
    发明授权
    Extruder venting system with vacuum shuttle valve 失效
    具有真空梭阀的挤出机排气系统

    公开(公告)号:US5634953A

    公开(公告)日:1997-06-03

    申请号:US425528

    申请日:1995-04-20

    CPC classification number: B01D46/0086 B01D46/0058

    Abstract: The present invention provides a barrel venting system for use on an extruder. Gases that are generated during plasticizing are drawn by vacuum through a filter to remove plastic particles before the gas is exhausted to the atmosphere. To enable cleaning of the filter without interrupting extruder operation, a shuttle valve is provided to allow rapid switching of the gas flow to a second filter. The valve itself includes two disc shaped elements with ports that align in two positions to enable flow to either the first or second filter, as desired.

    Abstract translation: 本发明提供一种用于挤出机的桶式排气系统。 在塑化期间产生的气体通过真空通过过滤器抽吸,以在气体排放到大气之前去除塑料颗粒。 为了能够在不中断挤出机操作的情况下清洁过滤器,提供梭阀以允许将气流快速切换到第二过滤器。 阀本身包括两个盘形元件,其中端口在两个位置对准,以使得能够根据需要流到第一或第二过滤器。

    Extruder barrel temperature regulation apparatus
    5.
    发明授权
    Extruder barrel temperature regulation apparatus 失效
    挤出机桶温度调节装置

    公开(公告)号:US5200205A

    公开(公告)日:1993-04-06

    申请号:US690277

    申请日:1991-04-24

    CPC classification number: B29C47/82 B29C47/0016 B29C47/822 B29C47/825

    Abstract: Extruder barrel temperature control apparatus in the form of a plurality of axially spaced tubular shells positioned in end-to-end relationship on the outer surface of a tubular extruder barrel. Each of the shells includes individual resistance heater elements embedded in the shell wall for providing heat to maintain a desired shell temperature. Each shell includes two groups of outwardly extending cooling fins, each group axially spaced from the other, and each group of fins has an associated air blower positioned below the fins and supported by an outer casing surrounding the extruder barrel. The outer casing includes an internal shroud to confine the cooling air flow so it is directed over and along the cooling fins. The heating elements and the blower motors are connected with a suitable control system for providing and maintaining a desired temperature level at the barrel inner surface. Six such shells defining six respective heating and cooling zones are disclosed. A thermocouple is embedded in the walls of the respective shells for monitoring the shell wall temperature and to permit control adjustments to be made, as necessary to maintain a desired temperature level.

    Abstract translation: 在管状挤出机筒的外表面上以端对端关系定位的多个轴向隔开的管状壳体形式的挤出机筒温度控制装置。 每个壳包括嵌入壳壁中的单独的电阻加热器元件,用于提供热量以保持所需的壳体温度。 每个壳体包括两组向外延伸的冷却翅片,各组轴线彼此间隔开,并且每组翅片具有位于翅片下方并由围绕挤压机筒的外壳支撑的相关联的鼓风机。 外壳包括内罩,以限制冷却空气流,使其被引导并沿着冷却片。 加热元件和鼓风机马达与适当的控制系统连接,用于提供并保持在桶内表面上所需的温度水平。 公开了六个这样的壳,其限定六个相应的加热和冷却区。 热电偶嵌入各个壳体的壁中,用于监测壳壁温度,并根据需要进行控制调节以保持所需的温度水平。

    Flow divider with diverter valve
    7.
    发明授权
    Flow divider with diverter valve 失效
    带分流阀的分流器

    公开(公告)号:US5711349A

    公开(公告)日:1998-01-27

    申请号:US781253

    申请日:1997-01-10

    CPC classification number: B29C47/0816 B29C47/70 B29C47/0009 Y10T137/8782

    Abstract: The present invention provides a dual flow divider for use on an extruder. The flow divider is configured to separate the melt stream received from the extruder at a central entry into two flow channels, the respective channels being formed as nearly to identical (mirror image) as is practically possible. The relative flow in the respective channels can be varied by rotating a diverter valve that extends to a position adjacent the central entry of the flow divider, i.e., where the flow begins to divide. The flow channels and control end of the diverter valve are specially configured to avoid any shape or surface conditions that would impose heat-generating restrictions to material flow, and/or allow areas of stagnation in the flow stream. More specifically, the flow channels are machined to provide smooth, streamlined transitions at all points along the flow path. The surfaces of the flow channels which intersect with the diverter valve do so at a sharp edge; this geometry blends the surfaces of the channels and valve while also serving as a "wiper" when the valve is rotated.

    Abstract translation: 本发明提供一种用于挤出机的双流分隔器。 分流器构造成将在中心入口处的从挤出机接收的熔体流分离成两个流动通道,各个通道形成为几乎相同(镜像),实际上可能。 可以通过旋转延伸到与分流器的中心入口相邻的位置,即流动开始分开的位置的转向阀来改变相应通道中的相对流动。 分流阀的流动通道和控制端被特别地构造成避免了将对材料流动施加发热限制的任何形状或表面条件,和/或允许流动流中停滞的区域。 更具体地,流动通道被加工以在沿着流动路径的所有点处提供平滑的,流线型的过渡。 与分流阀相交的流道的表面在锋利的边缘进行; 这种几何形状混合了通道和阀门的表面,同时当阀门旋转时也作为“刮水器”。

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