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    • 7. 发明授权
    • Method and apparatus for reducing residual torque and neps in singles ring yarns
    • 用于减少单纱环纱中剩余扭矩和棉结的方法和装置
    • US08544252B2
    • 2013-10-01
    • US13343723
    • 2012-01-05
    • Xiaoming TaoTao HuaBingang XuJie Feng
    • Xiaoming TaoTao HuaBingang XuJie Feng
    • D01H7/52
    • D01H1/11D01H5/28D01H7/923D01H13/08D02G3/328
    • Method and apparatus for reducing residual torque in singles ring yarns, achieved by imparting two separate false twisting points on the traveling strand of fibers (or yarn) after the strand exits from the spinning triangle with a proper ratio between the belt speed and the strand feeding speed. In addition to reducing the residual torque, this double false twist technique also reduces yarn hairiness to the same level as achieved by more expensive compact spinning devices, reduces yarn twist by more than 20% and significantly enhances yarn and fabric softness. Furthermore, by combining the double false twist technique with a compact spinning device, the numbers of neps, thick and thin places are significantly reduced to produce high-quality yarns and fine-count yarns.
    • 通过在纱线速度和丝线进给之间的适当比例从纺丝三角形出射之后,在纤维(或纱线)的行进股上施加两个分开的假捻点来实现减少单纱环纱中的残余扭矩的方法和装置 速度。 除了减少残余扭矩之外,这种双重假捻技术还将纱线毛羽降低到与更昂贵的紧密纺纱装置相同的水平,减少纱线捻度大于20%,并显着提高纱线和织物的柔软度。 此外,通过将双重假捻技术与紧密的纺纱装置相结合,可以显着减少棉结数量,厚度和薄度,从而生产高品质的纱线和精细纱线。