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    Extruder System with Integrated Gear Pump
    3.
    发明申请
    Extruder System with Integrated Gear Pump 有权
    集成齿轮泵挤出机系统

    公开(公告)号：US20070264144A1

    公开(公告)日：2007-11-15

    申请号：US10586475

    申请日：2004-12-24

    申请人： Yuichiro Ogawa

    发明人： Yuichiro Ogawa

    IPC分类号： F04C2/18

    CPC分类号： F04C15/06 ,  B29C47/0009 ,  B29C47/364 ,  B29C47/367 ,  B29C47/385 ,  B29C47/42 ,  B29C47/6068 ,  B29C47/64 ,  F04C2/086 ,  F04C2/18 ,  F04C11/005 ,  F04C13/002 ,  F04C14/02

    摘要： An extruder system includes an extruder for axially extruding a rubber or plastic material in a barrel by rotation of an extrusion screw arranged in the barrel, and a gear pump driven by a rotational force for rotating the extrusion screw so that a predetermined amount of the extruded material is discharged by engagement of gears. The gear pump includes a driving pinion arranged coaxially to the extrusion screw and fixedly secured to a tip end of the extrusion screw, a driven pinion engaged with, and driven by the driving pinion and rotatable about a rotational shaft that is parallel to a rotational shaft of the extrusion screw, and a gear casing accommodating these pinions therein. The gear casing includes side plates arranged on both axial sides of the pinions and extending perpendicularly to the rotational shaft of the extrusion screw, and a casing body arranged between the side plates and enclosing a space on a radially outer side of the pinions. The rotational shaft of the driven pinion is fixedly secured to the side plates. The side plates includes a suction side plate situated adjacent to the extrusion screw and a discharge side plate situated remote from the extrusion screw. The suction side plate has a suction port arranged opposite to that side of engagement region between the driving pinion and the driven pinion, where their teeth are being disengaged from each other. The discharge side plate has a discharge port arranged opposite to that side of engagement region between the driving pinion and the driven pinion, where their teeth are being engaged from each other. The suction port and the discharge port are maintained out of an axial communication with each other by the pinions.

    摘要翻译： 挤出机系统包括挤出机，用于通过旋转设置在筒体中的挤出螺杆将筒体内的橡胶或塑料材料轴向挤出，以及由用于旋转挤出螺杆的旋转力驱动的齿轮泵，使得预定量的挤出机 材料通过齿轮啮合排出。 齿轮泵包括与挤出螺杆同轴布置的驱动小齿轮，并且固定地固定到挤出螺杆的末端，与驱动小齿轮啮合并由驱动小齿轮驱动的从动小齿轮，其可围绕平行于旋转轴的旋转轴 的挤出螺杆，以及容纳这些小齿轮的齿轮箱。 齿轮箱包括布置在小齿轮的两个轴向侧面并且垂直于挤出螺杆的旋转轴延伸的侧板，以及布置在侧板之间并在小齿轮的径向外侧上包围空间的壳体。 从动小齿轮的旋转轴固定在侧板上。 侧板包括位于挤出螺杆附近的吸力侧板和位于远离挤压螺杆的排出侧板。 吸入侧板具有与驱动小齿轮和从动小齿轮之间的啮合区域的相对侧布置的吸入口，其中它们的齿彼此分离。 排出侧板具有排出口，该排出口与驱动小齿轮和从动小齿轮之间的接合区域的相对侧布置，其中它们的齿彼此接合。 吸入口和排出口通过小齿轮彼此保持轴向连通。

    Method for dissolving PPTA in sulfuric acid using a twin screw extruder
    7.
    发明授权
    Method for dissolving PPTA in sulfuric acid using a twin screw extruder 有权
    使用双螺杆挤出机将PPTA溶解在硫酸中的方法

    公开(公告)号：US07527841B2

    公开(公告)日：2009-05-05

    申请号：US11663980

    申请日：2005-10-20

    申请人： Bernardus Maria Koenders

    发明人： Bernardus Maria Koenders

    IPC分类号： B29C70/08

    CPC分类号： C08J3/05 ,  B29C47/6068 ,  B29C47/6075 ,  C08J2377/10 ,  D01D1/02 ,  D01F6/805 ,  Y10T428/1369 ,  Y10T428/2913 ,  Y10T428/2969

    摘要： Described is a method for dissolving PPTA or copolymers thereof in sulfuric acid using a twin screw extruder having transporting, mixing, and kneading elements with an entering zone, an intermediate zone, a mixing zone, a negative transport zone, a degassing zone, and a pressure build-up zone. The method includes transporting PPTA or copolymer thereof into the entering zone at a transport capacity low enough as to prevent sulfuric acid entering the entering zone; introducing sulfuric acid in the intermediate zone; essentially fully filling the mixing zone to allow sufficient time to mix and dissolve PPTA or copolymer thereof in the sulfuric acid to obtain a PPTA or copolymer-sulfuric acid solution; creating after the mixing zone a negative transport zone to obtain a product lock between the mixing zone and the degassing zone; creating a thin film of the PPTA or copolymer-sulfuric acid solution in the degassing zone to degas the solution; and entering the solution into the output pressure build-up zone to partially fill this zone and to leave the twin screw extruder.

    摘要翻译： 描述了使用具有输送区域，中间区域，混合区域，负运送区域，脱气区域和输送区域的输送，混合和捏合元件的双螺杆挤出机将PPTA或其共聚物溶解在硫酸中的方法。 压力积聚区。 该方法包括以足够低的运输能力将PPTA或其共聚物输送到进入区域中，以防止硫酸进入进入区域; 在中间区引入硫酸; 基本上完全填充混合区以允许足够的时间将PPTA或其共聚物混合并溶解在硫酸中以获得PPTA或共聚物 - 硫酸溶液; 在混合区之后产生负运送区，以在混合区和脱气区之间获得产品锁; 在脱气区中形成PPTA或共聚物 - 硫酸溶液的薄膜，使溶液脱气; 并将溶液进入输出压力累积区以部分填充该区域并离开双螺杆挤出机。