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    • 2. 发明申请
    • SYSTEM AND METHOD FOR REDUCING JET STREAKS IN HYDROENTANGLED FIBERS
    • 用于减少氢氧化物纤维中的喷射冲击的系统和方法
    • US20070226970A1
    • 2007-10-04
    • US11692680
    • 2007-03-28
    • Behnam PourdeyhimiHooman Tafreshi
    • Behnam PourdeyhimiHooman Tafreshi
    • D04H3/04
    • D04H18/04D04H1/492
    • A system for hydroentangling a fabric material, while reducing the incidence of jet streaks therein, is provided. Various embodiments of the present invention provide an elongate hydroentangling jet strip spaced apart from the fabric material and extending substantially across a width of the fabric perpendicular to the processing direction. The strip defines a first row of orifices, each having a first diameter. The first plurality of orifices is spaced apart along a width of the elongate strip. The strip further defines a second plurality of orifices disposed downstream from the first plurality of orifices in the processing direction and offset therefrom along the width of the elongate strip. The second plurality of orifices each define a second diameter smaller than the first diameter such that fluid streams generated thereby impart a correspondingly smaller impact force on the fabric material than fluid streams generated by the first plurality of orifices.
    • 提供了一种用于在织物材料中水刺缠结的系统,同时降低了其中喷射条纹的发生率。 本发明的各种实施例提供了一种细长的水刺束喷射条,与织物材料间隔开并且基本上跨过垂直于加工方向的织物的宽度延伸。 条带限定了第一排孔,每排孔具有第一直径。 第一组多个孔沿细长带的宽度间隔开。 条带进一步限定了第二多个孔,其设置在处理方向上的第一多个孔的下游,并沿着细长带的宽度偏移。 第二组多个孔口各自限定小于第一直径的第二直径,使得由此产生的流体流相对于由第一多个孔口产生的流体流对织物材料施加相应较小的冲击力。