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    • 69. 发明公开
    • METHOD AND DEVICE FOR MANUFACTURING BRUSH UNIT FOR ROTARY TOOTHBRUSH
    • 方法和器具,用于产生单刷单元的旋转式牙刷
    • EP3135155A1
    • 2017-03-01
    • EP15791473.0
    • 2015-07-08
    • Kurun Co., Ltd.
    • HAYASHI Isao
    • A46B7/08A46B9/04A46D3/06
    • A46B3/06A46B7/08A46B9/04A46B13/001A46B13/003A46D1/04A46D3/045A46D3/06B29C65/08B29C66/81463B29L2031/425
    • Provided is a method and apparatus for manufacturing an individual brush unit of a rotary toothbrush at a high level of productivity while producing few defective products, the individual brush unit being in the shape of a substantial disk including radially bonded filaments made of a synthetic resin such as nylon, and the rotary toothbrush having a rotary brush in a roller shape formed by stacking the individual brush unit in multiple layers. An apparatus for manufacturing an individual brush unit that constitutes a rotary brush by being stacked in multiple layers, includes: an anvil having an insertion hole through which a filament group passes, the filament group being a collection of multiple filaments in a bundle; a filament feeding unit which feeds the filament group from a feeder including a ring cutter, and holds the filament group while a predetermined amount of the filament group protrudes outward from the insertion hole of the anvil; and an ultrasonic welder including a horn having a horn tip portion which pushes and radially expands a protruding tip of the filament group and welds a central part of the expanded filament group, and a core of the welded central part is sandwiched between the ring cutter and the horn tip portion and is cut out, to simultaneously form a shaft hole and separate the individual brush unit from the filament group.
    • 在高水平生产力的提供了一种用于制造旋转式牙刷的各个刷子单元的一种方法和设备,同时产生很少有缺陷的产品,个体刷子单元在显着的盘,包括由合成树脂制成的搜索的径向接合的长丝的形状是 如尼龙,以及具有在一个辊的旋转刷旋转牙刷通过在多个层堆叠所述个别刷子单元形状而形成。 制造个别刷子单元的一种装置,确实通过被堆叠在多个层构成的旋转刷,包括:具有在通过该细丝组群的推移,细丝组群是成束多根长丝的集合插入孔的砧座; 细丝进给单元,其从进料器包括一环形刀喂长丝组,并保持细丝组群,而细丝组群的预定量的从所述砧座的插入孔向外突出; 并在超声焊接机包括具有一推和径向膨胀的细丝组群的突出尖端和焊接膨胀细丝组群的中央部的喇叭前端部的喇叭,与焊接中心部的芯被夹在环形刀和之间 喇叭前端部和被切出,以同时形成的轴孔和单个刷子单元从长丝组分离。