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    • 25. 发明申请
    • APPARATUS FOR PLASTICATING THERMOPLASTICS
    • 塑料热塑性塑料的设备
    • WO2005065096A2
    • 2005-07-21
    • PCT/US2004/039776
    • 2004-12-21
    • NEW CASTLE INDUSTRIES, INC.
    • WOMER, Timothy, W.BUCK, Effinger, J.HUDAK, Bernard, J.
    • B29C47/60B29C47/62
    • B29C47/6075B29C47/0009B29C47/60B29C47/6018B29C47/625
    • A rotatable screw for moving material in a plasticating process along an axis through a conduit from an inlet to an outlet. The screw having a feed section, barrier melting section, reorientation section and metering section disposed sequentially downstream. The screw includes an axial core, and a helical main flight that extends radially from the core and is formed with recesses located at the first periphery and extending through the thickness of the main flight and radially toward the core. A helical secondary flight extends radially from the core between successive helical passes of the main flight, and is formed with recesses extending through the secondary flight and toward the core. Materials conveyed along the metering section can cross through the main flight at the recesses and recirculate, in addition to passing over the periphery of the secondary flight, for still further enhanced and homogenous mixing, before reaching the outlet.
    • 一种可旋转的螺丝,用于沿着轴线在塑化过程中将材料从入口到出口通过导管移动。 所述螺杆具有顺序地设置在下游的进料部分,阻挡层熔化部分,重新​​取向部分和计量部分。 螺杆包括轴向芯部和从芯部径向延伸并且形成有位于第一周边处并且延伸穿过主飞行物的厚度并径向朝向芯部的凹部的螺旋形主飞翼。 螺旋二次螺旋在主飞行的连续螺旋通道之间从芯径向延伸,并且形成有延伸穿过次级飞行并朝向芯的凹部。 沿着计量部分输送的材料除了通过二次飞行的周边之外,还可以在凹部处穿过主飞行物并再循环,以便在到达出口之前进一步增强和均匀的混合。