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    • 4. 发明申请
    • FLOSS YARN BULKING ASSEMBLY AND METHOD
    • FLOSS YARN BULKING ASSEMBLY和方法
    • WO1995032684A1
    • 1995-12-07
    • PCT/US1995006564
    • 1995-05-23
    • GILLETTE CANADA INC.GILLIGAN, Sean, G.FREEMAN, Dermot, T.OLIPHANT, Larry, J.MEESSMANN, Jeffrey, S.HANLEY, Patrick, J.SZCZECH, Gerald, S.
    • GILLETTE CANADA INC.
    • A61C15/00
    • D02J1/222A61C15/042D06M23/10F26B13/002
    • A process for manufacturing a continuous dental floss brush comprising alternating portions of thread sections which do not stretch significantly under tension and brush sections which stretch under slight tension, including the step of coating at least the thread sections of a reverse twisted high tenacity nylon yarn (10) with a solution of polymer in a volatile solvent, the polymer being nylon, polyurethane or mixtures thereof. The thread sections of the yarn (10) are thereafter heated to vaporize solvent therefrom while the yarn (10) is maintained under a tension of 0.15 to 1 N. In the humidifier assembly (18) having a housing which defines a humidifier zone (20) the brush sections of the yarn (10) are exposed to a mixture of steam and gas while the yarn (10) is under tension. Finally, the brush sections of the yarn (10) are heated to remove solvent and passed through the humidifier zone (20) under controlled tension.
    • 一种用于制造连续牙线刷的方法,其包括在张力下不显着拉伸的螺纹部分的交替部分和在轻微张力下拉伸的刷毛部分,包括至少涂覆反向扭转的高韧性尼龙纱线的螺纹部分 10)与聚合物在挥发性溶剂中的溶液,所述聚合物是尼龙,聚氨酯或其混合物。 然后纱线(10)的螺纹部分被加热以使溶剂蒸发,而纱线(10)保持在0.15-1N的张力。在具有限定加湿器区域(20)的壳体的加湿器组件(18) ),纱线(10)处于张力下时,纱线(10)的刷部分暴露于蒸气和气体的混合物。 最后,加热纱线(10)的刷部分以除去溶剂并在受控张力下通过加湿器区域(20)。