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1. 发明授权

US4145787A Hand duster 失效
标题翻译：手工除尘器
公开(公告)号：US4145787A
公开(公告)日：1979-03-27
申请号：US830664
申请日：1977-09-06
申请人： Veit J. B. Bastian
发明人： Veit J. B. Bastian
IPC分类号： A46B3/16 , A46B3/18 , A46B9/02 , A46D1/00 , A47L13/252 , A47L13/38
CPC分类号： A47L13/38 , A46B3/16 , A46B3/18 , A46B9/02 , A46D1/00 , A47L13/252
摘要： The structure of a hand duster having soft yarns retained on the end of a spirally wound metal wire is disclosed wherein the soft yarns are bunched together by means of a single loop at the end of the spirally wound metal wire. The yarns consist of crimped synthetic fibers in two state permanently secured at their intermediate region by the single loop of the twisted wire. The method comprises preparing a bunch of yarns and retaining same against the curved end of the bent wire shaped in a hairpin configuration, and retaining the curved end of the wire while the generally parallel extending legs are spirally wound around one another along a straight line resulting in a tightly gripping loop around the middle portion of the bundle of yarns. The yarns are then teased and trimmed thereby to produce a round fluffy head portion. The spirally wound stem is then cut to a predetermined length and then a handle component is permanently secured to the free end of the stem.
摘要翻译：公开了一种具有保持在螺旋卷绕的金属丝的端部上的软纱的手动除尘器的结构，其中通过在螺旋缠绕的金属丝的端部处的单个环将软纱聚束在一起。纱线由卷曲的合成纤维组成，其两个状态通过绞合线的单环永久地固定在其中间区域。该方法包括制备一束纱线并将其保持在弯曲线的弯曲端部，其形状为发夹构造，并且保持线的弯曲端部，同时大致平行的延伸的腿沿着直线螺旋地彼此缠绕，从而产生在围绕纱线束的中间部分的紧密夹紧环中。然后纱线被梳理并修剪，从而产生圆蓬松头部。然后将螺旋缠绕的杆切割成预定长度，然后将手柄部件永久地固定到杆的自由端。

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