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    • 1. 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。
    • 6. 发明授权
    • Yarn snarling testing apparatus and method
    • 纱线咆哮试验装置及方法
    • US07219556B2
    • 2007-05-22
    • US10996611
    • 2004-11-26
    • Charlotte MurrellsKa-Kee WongXiaoming TaoBingang Xu
    • Charlotte MurrellsKa-Kee WongXiaoming TaoBingang Xu
    • G01N19/02
    • G01N33/365
    • A process for measuring snarling properties of a yarn is provided. Firstly a first and a second point of the yarn are held in close proximity, and a portion of the yarn between the two points is of a predetermined length. A predetermined tension force is temporarily exerted to the portion of the yarn, and simultaneously the portion of the yarn is temporarily restricted from twisting when the tension force is exerted. Then the portion of the yarn is released from the tension force such that the portion of the yarn is able to twist freely so as to form snarls thereon. Thereafter, the snarling properties of the yarn are measured by detecting an amount of the snarls thereby formed.
    • 提供了一种用于测量纱线的咆哮性能的方法。 首先,纱线的第一和第二点紧密地保持,两点之间的纱线的一部分是预定的长度。 临时地对纱线部分施加预定的张力,同时当施加张力时,纱线的该部分暂时受到扭转。 然后纱线的部分从张力释放,使得纱线的该部分能够自由地扭转,以便在其上形成。。。 此后,通过检测由此形成的咆痕的量来测量纱线的咆哮性能。