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    MANUFACTURING METHOD OF NEEDLE-SHAPED BRISTLE HAVING SHORT TAPER LENGTH AND TOOTHBRUSH BY SAME MANUFACTURING METHOD
    22.
    发明公开
    MANUFACTURING METHOD OF NEEDLE-SHAPED BRISTLE HAVING SHORT TAPER LENGTH AND TOOTHBRUSH BY SAME MANUFACTURING METHOD 有权
    VERFAHREN ZUR HERSTELLUNG VONNADELFÖRMIGENBORSTEN MIT KURZER，SICHVERJÜNGENDERLÄNGE

    公开(公告)号：EP2083653A1

    公开(公告)日：2009-08-05

    申请号：EP06823806.2

    申请日：2006-11-29

    申请人： Best Whasung Co., Ltd. ,  Kwon, Young-jun ,  Kwon, Sung-wook ,  Kwon, Sung-hwan

    发明人： KWON, Young-jun ,  KWON, Sung-wook ,  KWON, Sung-hwan

    IPC分类号： A46D1/05

    CPC分类号： A46D1/05 ,  A46B2200/1066 ,  A46D1/0207 ,  A46D1/0276 ,  A46D1/0284

    摘要： The present invention relates to a method of manufacturing a needle-shaped bristle having a short taper length. The method includes preparing a bundle of toothbrush bristles by mixing a polyester resin (a polyester resin other than a PTT resin) and a PTT resin in a ratio of 90 ~ 40 to 10 - 60 and spinning the mixture thereof; cutting the bundle of toothbrush bristles; and tapering the cut bundle of toothbrush bristles by immersing it into a chemical. According to the present invention, since needle-shaped bristles having a taper length of 6 mm or less can be efficiently obtained, the needle-shaped bristles can be implanted even in an anchorless toothbrush.

    摘要翻译： 本发明涉及具有短锥度长度的针状刷毛的制造方法。 该方法包括通过将聚酯树脂（除PTT树脂之外的聚酯树脂）和90〜40〜10〜60的PTT树脂混合并纺出其混合物来制备一束牙刷刷毛; 切割一束牙刷刷毛; 并通过将其切入化学品而使切割的牙刷刷毛束变细。 根据本发明，由于能够有效地获得锥形长度为6mm以下的针状刷毛，因此即使在无锚式牙刷中也能够注射针状刷毛。

    BRUSH-HAIRS TAPERPROCESSING METHOD AND TOOTHBRUSH MANUFACTURED BY THIS METHOD
    23.
    发明公开
    BRUSH-HAIRS TAPERPROCESSING METHOD AND TOOTHBRUSH MANUFACTURED BY THIS METHOD 无效
    用于生产逐渐变细刷毛以及与此过程中产生的牙刷

    公开(公告)号：EP1933664A1

    公开(公告)日：2008-06-25

    申请号：EP06799242.0

    申请日：2006-10-16

    申请人： Kwon, Young-jun ,  Kwon, Sung-Wook ,  Kwon, Sung-hwan

    发明人： Kwon, Young-jun ,  Kwon, Sung-Wook ,  Kwon, Sung-hwan

    IPC分类号： A46B9/04

    CPC分类号： A46B3/06 ,  A46B9/04 ,  A46B2200/1066 ,  A46D1/05 ,  A46D3/045

    摘要： The present invention provides a method of tapering bristles for toothbrushes and a toothbrush having bristles manufactured using the method. One method disclosed in the present invention includes setting bristles made of polyester in a head insert (10), and fastening the bristles to the head insert (10) by thermally welding portions of the bristles, protruding from a back surface of the head insert, to the head insert (10). The method further includes coupling the head insert (10), to which the bristles are fastened, to a toothbrush body (1), and tapering ends of the bristles by immersing the bristles in a chemical. In the present invention, the bristles can be securely set in the toothbrush body (1) without anchor. Furthermore, polyester bristles, which could not be set in toothbrushes having variously shaped setting rows due to excessively high stiffness, can be set in these types of toothbrush by the toothbrush manufacturing method of the present invention.