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    • 17. 发明申请
    • Extruded tubing for mixing reagents
    • 用于混合试剂的挤出管
    • US20060051448A1
    • 2006-03-09
    • US10934800
    • 2004-09-03
    • Charles SchryverMason Wages
    • Charles SchryverMason Wages
    • B29C47/00B01F5/06
    • B01F5/0646B01F5/0655B01F5/0656B29C48/09B29C48/12B29C48/13B29C48/30B29C48/32B29C48/33B29C48/475B29L2023/00B29L2031/7732
    • An extruded, preferably flexible mixing tube having unitary construction and a lumen coextensive with the length thereof. A mixing portion of the lumen is tortuous and operable for mixing two or more comingled fluids flowing therethrough. The lumen of the mixing tube preferably includes a smooth cylindrical connector portion at both ends thereof dimensioned to receive tubing connectors. The mixing portion of the lumen is disposed between the connector portions and is in fluid communication with the connector portions of the lumens at both ends of the mixing tube. The mixing tube may be extruded in any desired length. The tortuous mixing portion of the lumen may have any desired cross-sectional geometry. In one embodiment the mixing portion is defined by a spiral conduit. In another embodiment, the mixing portion of the lumen varies in internal diameter periodically along the length of the mixing tube. In yet another embodiment, the mixing portion is comprised of a linear sequence of two or more tortuous conduits having different cross-sectional geometries.
    • 具有整体构造的挤出的,优选柔性的混合管,以及与其长度共同延伸的管腔。 内腔的混合部分是曲折的并且可操作用于混合流过其中的两个或多个流出的流体。 混合管的管腔优选地包括在其两端处的平滑圆柱形连接器部分,其尺寸设计成接收管连接器。 管腔的混合部分设置在连接器部分之间,并且与混合管两端的管腔的连接器部分流体连通。 混合管可以以任何期望的长度挤出。 管腔的弯曲混合部分可以具有任何期望的横截面几何形状。 在一个实施例中,混合部分由螺旋导管限定。 在另一个实施例中,腔的混合部分沿着混合管的长度周期性地改变内径。 在另一个实施例中,混合部分由具有不同横截面几何形状的两个或多个曲折导管的线性序列组成。
    • 20. 发明申请
    • Methods and apparatus for extruding a tubular film
    • 用于挤出管状膜的方法和装置
    • US20040070105A1
    • 2004-04-15
    • US10451336
    • 2003-11-20
    • Ole-Bendt Rasmussen
    • B29C047/06
    • A23G3/2015A21C11/163A23G9/285A23P30/25B29C48/08B29C48/09B29C48/10B29C48/21B29C48/2556B29C48/30B29C48/307B29C48/31B29C48/313B29C48/32B29C48/325B29C48/335B29C48/3363B29C48/338B29C48/475B29C48/49B29C48/705B29K2995/0073
    • Processes and apparatus for extruding a tubular film of polymer material. The apparatus comprises a circular coextrusion die having an inlet (10) for the or each component and having an exit channel (18) ending in a circular exit orifice (21) which is located radially outwardly from the die axis compared to the inlet (10). The die comprises several planar or conical die parts (5, 6, 7, 28, 29) clamped together, with surfaces supplied with grooves (14) shaped to form channels (11, 12, 13) for the flow polymer material. The shape of the channels is adapted to equalize the flow over the circumference of the exit orifice (21), and the flow of material is divided between the inlet (10) and the exit (21) into a number of part flows (13) of generally helical form with space (15) provided for overflow of material between said part flows, whereby the part are adapted so that they join to one common, circular flow.
    • 用于挤出聚合物材料的管状膜的方法和设备。 该装置包括圆形共挤出模具,其具有用于或每个部件的入口(10),并且具有终止于圆形出口孔(21)的出口通道(18),该出口通道(18)与入口(10)相比径向向外从模具轴线向外 )。 模具包括夹在一起的几个平面或圆锥形模具部件(5,6,7,28,29),其表面提供有成形为用于流动聚合物材料的通道(11,12,13)的凹槽(14)。 通道的形状适于均衡出口孔(21)的圆周上的流动,并且材料流在入口(10)和出口(21)之间分成多个部分流(13) 具有大体螺旋形的空间(15),其设置用于在所述零件流之间溢出材料,由此所述部件适于使它们连接到一个共同的圆形流。