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    • 3. 发明授权
    • Floss yarn bulking assembly and method
    • 松下纱线组装及方法
    • US5780099A
    • 1998-07-14
    • US677156
    • 1996-07-09
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MeessmannPatrick J. HanleyGerald S. Szczech
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MeessmannPatrick J. HanleyGerald S. Szczech
    • A61C15/04D02J1/22D06M23/10F26B13/00B05D3/00
    • 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, includes the step of coating at least the thread sections of a reverse twisted high tenacity nylon yarn with a solution of polymer in a volatile solvent, the polymer being selected from the group consisting of nylon, polyurethane and mixtures thereof. The thread sections of the yarn are thereafter heated to vaporize solvent therefrom while the yarn is maintained under a tension of from 0.15 to 1N. In the humidifier assembly, having a housing which defines a humidifier zone, the brush sections of the yarn are exposed to a mixture of steam and gas, the steam and gas mixture having a temperature of from 130.degree. C. and a water vapor content of 65% (v/v), while the yarn is under a tension of approximately zero until the brush sections of the yarn have regained at least 100 percent of the diameter of the uncoated, relaxed yarn. Finally the brush sections of the yarn are heated to remove solvent therefrom while the yarn is under a tension of approximately zero to form a floss brush product. As the yarn passes through the humidifier zone, the tension on the yarn is controlled to take account of changes in its length.
    • 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部分,包括至少涂覆反捻高韧性尼龙纱线的螺纹部分的步骤, 聚合物在挥发性溶剂中的溶液,所述聚合物选自尼龙,聚氨酯及其混合物。 然后,纱线的螺纹部分被加热以使溶剂蒸发,同时纱线保持在0.15-1N的张力。 在具有限定加湿器区域的壳体的加湿器组件中,纱线的刷部分暴露于蒸汽和气体的混合物中,蒸汽和气体混合物的温度为130℃,水蒸汽含量为 65%(v / v),而纱线处于大约为零的张力,直到纱线的毛刷部分已经重新获得未涂覆的松弛纱线的直径的至少100%。 最后,纱线的毛刷部分被加热以除去溶剂,同时纱线处于约零的张力下形成牙线刷产品。 当纱线通过加湿器区域时,控制纱线上的张力以考虑其长度的变化。
    • 4. 发明授权
    • Dental floss manufacturing process and product
    • 牙线生产工艺及产品
    • US5526831A
    • 1996-06-18
    • US249503
    • 1994-05-26
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MeessmannPatrick J. HanleyGerald S. Szczech
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MeessmannPatrick J. HanleyGerald S. Szczech
    • A61C15/04A61K8/02A61Q11/00A61C15/00
    • A61Q11/00A61C15/042A61K8/02
    • A continuous process for manufacturing a continuous floss brush comprises steps of first applying a polymer solution at a repeated preselected distance interval to a continuous length of floss yarn under tension and solidifying the polymer while the floss yarn is under tension to produce a continuous floss product of yarn sections which stretch under slight tension separated by thread sections which do not significantly stretch under tension. The floss yarn is treated to expand the yarn sections to form brush sections. The passage of a predetermined number of segments comprising thread and brush portions is determined while the continuous floss brush is under substantially zero tension using a optical detector. Finally, a length of the continuous floss segments containing the predetermined number of segments comprising thread and brush portions is cut for packaging. Preferably, a dye marker is applied to at least a portion of the thread portion, whereby the accuracy of the optical detection of the thread portions of the continuous floss brush is increased. The yarn is a nylon yarn, and the yarn sections are expanded by treatment with heat and water vapor when under zero tension to yield a product with a highly expanded brush portion which is stretched under slight tension. The floss brush product comprises a continuous length of floss having segments comprising alternating portions of yarn sections which stretch under slight tension separated by thread sections which do not significantly stretch under tension, at least a portion of each thread section being preferably marked with a dye.
    • 用于制造连续牙线刷的连续方法包括以下步骤:在张力下首先将聚合物溶液以重复的预选距离间隔施加到连续长度的丝线纱线,同时在所述牙线处于张力下固化所述聚合物,以产生连续的牙线产品 由在张力下不显着拉伸的螺纹部分分开的轻微张力下拉伸的纱线部分。 处理牙线以扩大纱线部分以形成刷毛部分。 当连续牙线刷使用光学检测器处于基本上零张力下时,确定包括螺纹和刷部分的预定数量的段的通过。 最后,将含有包含线和刷部分的预定数量段的连续牙线段的长度切割成包装。 优选地,将染料标记物施加到螺纹部分的至少一部分,由此连续牙线刷的螺纹部分的光学检测的精度增加。 该纱线是尼龙纱线,并且在零张力下通过热和水蒸汽处理使纱线部分膨胀,以产生具有在稍微张力下拉伸的高度膨胀的刷部分的产品。 牙刷产品包括连续长度的牙线,其具有包括纱线部分的交替部分的段,所述纱线部分的交替部分在由张紧部分不显着拉伸的螺纹部分分开的轻微张力下拉伸,每个螺纹部分的至少一部分优选地用染料标记。
    • 9. 发明授权
    • Floss yarn bulking assembly and method
    • 松下纱线组装及方法
    • US5558901A
    • 1996-09-24
    • US249515
    • 1994-05-26
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MessmannPatrick J. HanleyGerald S. Szczech
    • Sean G. GilliganDermot T. FreemanLarry J. OliphantJeffrey S. MessmannPatrick J. HanleyGerald S. Szczech
    • A61C15/04D02J1/22D06M23/10F26B13/00B05D1/38B05D3/02B05D3/04B05D3/12
    • 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, includes the step of coating at least the thread sections of a reverse twisted high tenacity nylon yarn with a solution of polymer in a volatile solvent, the polymer being selected from nylon, polyurethane and mixtures thereof. The thread sections of the yarn are thereafter heated to vaporize solvent therefrom while the yarn is maintained under a tension of from 0.15 to 1N. In the humidifier assembly, having a housing which defines a humidifier zone, the brush sections of the yarn are exposed to a mixture of steam and gas, the steam and gas mixture having a temperature of from 130.degree. C. and a water vapor content of 65%(v/v), while the yarn is under a tension of approximately zero until the brush sections of the yarn have regained at least 100 percent of the diameter of the uncoated, relaxed yarn. Finally the brush sections of the yarn are heated to remove solvent therefrom while the yarn is under a tension of approximately zero to form a floss brush product. As the yarn passes through the humidifier zone, the tension on the yarn is controlled to take account of changes in its length.
    • 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部分,包括至少涂覆反捻高韧性尼龙纱线的螺纹部分的步骤, 聚合物在挥发性溶剂中的溶液,所述聚合物选自尼龙,聚氨酯及其混合物。 然后,纱线的螺纹部分被加热以使溶剂蒸发,同时纱线保持在0.15-1N的张力。 在具有限定加湿器区域的壳体的加湿器组件中,纱线的刷部分暴露于蒸汽和气体的混合物中,蒸汽和气体混合物的温度为130℃,水蒸汽含量为 65%(v / v),而纱线处于大约为零的张力,直到纱线的毛刷部分已经重新获得未涂覆的松弛纱线的直径的至少100%。 最后,纱线的毛刷部分被加热以除去溶剂,同时纱线处于约零的张力下形成牙线刷产品。 当纱线通过加湿器区域时,控制纱线上的张力以考虑其长度的变化。