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    Alternate Polymer Extrusion system with accumulator
    3.
    发明申请
    Alternate Polymer Extrusion system with accumulator 有权
    具有蓄能器的交替聚合物挤出系统

    公开(公告)号：US20100166904A1

    公开(公告)日：2010-07-01

    申请号：US12653285

    申请日：2009-12-11

    申请人： Harris E. Holton ,  McGhee K. Burr

    发明人： Harris E. Holton ,  McGhee K. Burr

    IPC分类号： B29C47/54 ,  B29C47/92

    CPC分类号： B29C47/92 ,  B29C47/0023 ,  B29C47/0033 ,  B29C47/364 ,  B29C47/367 ,  B29C47/38 ,  B29C47/54 ,  B29C2947/9259 ,  B29C2947/926 ,  B29C2947/92704 ,  B29C2947/92809 ,  B29C2947/92857 ,  B29C2947/92885 ,  B29C2947/92961

    摘要： An extrusion system and method uses an accumulator to control and use excess plastic melt. The accumulator is situated between an extruder and a gear pump. The accumulator includes an accumulator housing to store excess plastic melt from the extruder and an accumulator spring connected to an accumulator piston to subsequently send the excess plastic melt to the gear pump. In another embodiment, the accumulator includes an accumulator housing to store excess plastic melt from the extruder and a hydraulics system to send the excess plastic melt to the gear pump. The accumulator can be a first in first out (FIFO) device having a melt passage through the accumulator piston. The system and method are used particularly advantageously in Alternate Polymer extrusion installation in which gear pumps regularly increase and decrease their speed but in which the melt-supplying extruder cannot accommodate such rapid speed changes.

    摘要翻译： 挤压系统和方法使用蓄能器来控制和使用多余的塑料熔体。 蓄能器位于挤出机和齿轮泵之间。 蓄能器包括储存器壳体，用于储存来自挤出机的多余的塑料熔体和与蓄能器活塞连接的蓄能器弹簧，随后将多余的塑料熔体送至齿轮泵。 在另一个实施例中，蓄能器包括蓄能器壳体，用于存储来自挤压机的多余的塑料熔体和液压系统，以将多余的塑料熔体发送到齿轮泵。 蓄能器可以是具有通过蓄能器活塞的熔体通道的先进先出（FIFO）装置。 该系统和方法特别有利地用于交替聚合物挤出设备，其中齿轮泵定期增加和降低其速度，但熔融供给挤出机不能适应这种快速变化。

    Alternate polymer extrusion method with reduced drool
    4.
    发明授权
    Alternate polymer extrusion method with reduced drool 有权
    降低口水的替代聚合物挤出方法

    公开(公告)号：US07648658B2

    公开(公告)日：2010-01-19

    申请号：US10872315

    申请日：2004-06-19

    申请人： Holton E. Harris

    发明人： Holton E. Harris

    IPC分类号： B29C47/06 ,  B29C47/56 ,  B29C47/92

    CPC分类号： B29C47/065 ,  B29C47/0016 ,  B29C47/0021 ,  B29C47/0023 ,  B29C47/003 ,  B29C47/0874 ,  B29C47/261 ,  B29C47/903 ,  B29C47/904 ,  B29C47/907 ,  B29C47/92 ,  B29C2947/92019 ,  B29C2947/92114 ,  B29C2947/92123 ,  B29C2947/92133 ,  B29C2947/92209 ,  B29C2947/92361 ,  B29C2947/92514 ,  B29C2947/9259 ,  B29C2947/926 ,  B29C2947/92647 ,  B29C2947/92704 ,  B29C2947/92723 ,  B29C2947/92857 ,  B29C2947/92885

    摘要： An alternate polymer extrusion method and system reduces “drool” effects that detract from precise control over the content of two or more materials in an extrudate along its length. In the system, two or more extruders direct melt to two or more gear pumps. Control of the speed of the gear pumps controls the amount of each material emergent from the pumps, proceeding to a convergence in the paths from the pumps and thence to a die. Melt in each path between each pump and the convergence tends to expand and drool into the convergence as its associated pump is slowed and stopped. To prevent this, in the die, a constriction in each path just upstream of the convergence greatly reduces drool past that point by requiring a much greater pressure to force the melt past the constriction. The increased pressure required increases compression and expansion of the melt between the pump and the construction as a pump starts or increases in speed, on one hand, and stop or decreases in speed, on the other hand. Compensatory pump speed changes are made to counter this effect.

    摘要翻译： 替代的聚合物挤出方法和系统降低了“流口”效应，其降低了沿着其长度的挤出物中两种或更多种材料的含量的精确控制。 在该系统中，两个或更多个挤出机直接熔化到两个或更多个齿轮泵。 控制齿轮泵的速度控制从泵出来的每种材料的量，进行从泵的路径到模具的收敛。 在每个泵和收敛之间的每个路径中的熔化趋于膨胀并流入收敛，因为其相关联的泵减速并停止。 为了防止这种情况，在模具中，在收敛的上游的每个路径中的收缩大大地通过要求更大的压力迫使熔体超过收缩部而大大地减少了流出口。 另一方面，所需的增加的压力增加了泵和结构之间的熔体的压缩和膨胀，因为一方面泵的启动或速度增加，速度也会降低。 补偿泵速度的变化是为了抵消这种影响。

    Method for producing ultra thin wall extrusions
    7.
    发明授权
    Method for producing ultra thin wall extrusions 有权
    超薄壁挤压生产方法

    公开(公告)号：US06537471B2

    公开(公告)日：2003-03-25

    申请号：US09461078

    申请日：1999-12-14

    申请人： John W. Swanson ,  Lucien M. Rucker

    发明人： John W. Swanson ,  Lucien M. Rucker

    IPC分类号： B29C4790

    CPC分类号： B29C47/28 ,  B29C47/0016 ,  B29C47/0026 ,  B29C47/22 ,  B29C47/782 ,  B29C47/822 ,  B29C47/8805 ,  B29C47/92 ,  B29C2947/92542 ,  B29C2947/92647 ,  B29C2947/92704 ,  B29C2947/92857 ,  B29L2031/3462

    摘要： Apparatus and method for producing extruded polymer products such as hollow extrusions and conductor coatings having wall thicknesses of 0.002 inches or less. The apparatus may comprise more than one of the following: an external heat source; temperature measurement and heater control; video monitoring equipment to allow magnified observation of the extrudate, thereby providing opportunity to observe any deficiency in the extrudate; and a die holder and die allowing for more expedient die adjustments. A method for producing ultra thin walled extruded polymer products that comprises the following steps: heating the extrudate as it leaves the die, controlling the heat source through either temperature sensing device and heater controller responsive to the temperature sensed, electric current regulation, or electrical voltage regulation; monitoring the extrudate with video equipment to ensure uniformity of the walls of the extrudate; and adjusting the die during extruder operation in response to any observed deficiency in the extrudate.

    摘要翻译： 用于生产挤出聚合物产品的设备和方法，例如具有0.002英寸或更小的壁厚的中空挤压件和导体涂层。 该装置可以包括以下的多于一个：外部热源; 温度测量和加热器控制; 视频监控设备，允许放大观察挤出物，从而提供观察挤出物中任何缺陷的机会; 以及允许更方便的模具调整的模座和模具。 一种制造超薄壁挤出聚合物产品的方法，包括以下步骤：当挤出物离开模头时加热挤出物，通过温度感测装置和加热器控制器响应于感测温度，电流调节或电压来控制热源 规; 用视频设备监测挤出物，以确保挤出物的壁均匀; 并且在挤出机操作期间响应于在挤出物中观察到的任何缺陷来调节模具。

    Variable flow rate extrusion apparatus for applying a polymer profile to an article
    9.
    发明授权
    Variable flow rate extrusion apparatus for applying a polymer profile to an article 失效
    适用于聚合物型材的可变流量挤出装置

    公开(公告)号：US5108526A

    公开(公告)日：1992-04-28

    申请号：US661353

    申请日：1991-02-26

    申请人： Gerd Cornils ,  Werner Siegel ,  Heinz Kunert ,  Ludwig Schwartz

    发明人： Gerd Cornils ,  Werner Siegel ,  Heinz Kunert ,  Ludwig Schwartz

    IPC分类号： C03C27/04 ,  B05C5/02 ,  B29C47/00 ,  B29C47/02 ,  B29C47/16 ,  B29C47/92 ,  B29L31/58 ,  B60J10/21 ,  B60J10/70 ,  E06B3/673

    CPC分类号： B29C47/0035 ,  B05C5/0216 ,  B29C47/003 ,  B29C47/026 ,  B29C47/92 ,  B60J10/21 ,  B60J10/70 ,  E06B3/6733 ,  B29C2947/926 ,  B29C2947/92857

    摘要： The invention relates to an apparatus for extruding a polymer profile directly onto the surface of a glass plate and particularly along a peripheral edge thereof. The extruded polymer profile is provided with a sealing and centering lip located on and projecting over the circumferential peripheral surface of the glass plate. The extrusion die has at least one supply channel for the polymer to be extruded. One supply channel or portion thereof leads the polymer material substantially to the portion of the die orifice directed toward the center of the plate. The other supply channel essentially supplies the portion of the orifice directed toward the outside. The supply channel may be provided with a shutoff device which regulates the volume flow. The regulation of the shutoff device takes place as a function of the radius of curvature (R) of the path covered by the extrusion die.

    摘要翻译： 本发明涉及一种用于将聚合物分布直接挤出到玻璃板的表面上，特别是其周边边缘的装置。 挤出的聚合物轮廓设置有位于玻璃板的周向圆周表面上并在其上突出的密封和定中心唇。 挤出模具具有用于聚合物挤出的至少一个供应通道。 一个供应通道或其一部分将聚合物材料基本上导向指向板的中心的模孔的部分。 另一供应通道基本上将朝向外部的孔的部分供应。 供应通道可以设置有调节体积流量的切断装置。 关闭装置的调节作为挤出模头覆盖的路径的曲率半径（R）的函数发生。