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    • 7. 发明申请
    • Forming shaped fiber fabrics
    • 成型纤维织物
    • US20060012072A1
    • 2006-01-19
    • US11183186
    • 2005-07-18
    • John HagewoodArnold WilkieEric Bond
    • John HagewoodArnold WilkieEric Bond
    • D01D5/08D01D5/253
    • D01D5/34D01D4/06D01D5/082D01D5/0985D01D5/24D01D5/253
    • A fibrous product including a mixture of different shaped fibers is formed utilizing a spin pack assembly including a spinneret with at least two spinneret orifices having different cross-sections. In addition, the formation of the fibrous product is enhanced by controlling the pressure drop upstream from the spinneret orifices, which in turn facilitates effective control of fiber denier. A metering/distribution plate is preferably provided in the spin pack with channels having selected dimensions that control the pressure drop of molten polymer flowing through the spin pack. The metering/distribution plate can be retrofitted into existing systems and easily exchanged with other metering/distribution plates to enhance formation of the fibrous product with different fiber shapes.
    • 使用包括具有至少两个具有不同横截面的喷丝孔的喷丝头的纺丝组件组合形成包括不同成形纤维的混合物的纤维制品。 此外,通过控制喷丝孔的上游的压降来提高纤维制品的形成,从而有助于纤维旦数的有效控制。 计量/分布板优选地设置在纺丝组件中,其通道具有控制流过纺丝组件的熔融聚合物的压降的选定尺寸。 计量/分配板可以改装到现有的系统中,并可与其他计量/分配板轻松交换,以增强纤维形状的不同纤维形状。