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    • 9. 发明授权
    • One-piece cap and brush and method of forming it
    • 一体式盖子和刷子及其形成方法
    • US4712936A
    • 1987-12-15
    • US478051
    • 1983-03-23
    • Milton Kessler
    • Milton Kessler
    • A45D40/26A46B1/00A46B11/04B29C33/00B29C45/26B29C55/00B65D51/32A46B11/00
    • B29C33/0027A45D40/265A46B1/00B29C45/2618B29C45/2626B29C55/00B65D51/32B29L2031/7654Y10S425/805
    • A container closure includes a cap for sealing a container against leakage, and a brush-like pliable member for spreading contents of the container. The cap includes a top wall, an internally threaded skirt depending from perimetrical portions of the top wall, and a stem depending from a central portion of the top wall. The brush includes a paddle-shaped member or a plurality of bristles which depend below the stem for brushing the contents of the container onto a surface. The cap and the brush are formed as a one-piece structure. A method of forming the one-piece cap and brush includes the step of molding the cap using a specially configured mold which has at least three relatively movable parts for defining a mold cavity and for effecting a pop-off type of ejection of the threaded skirt from the mold once the integral cap and brush have been molded. The brush bristles can have relatively large diameters as molded, and can be elongated after molding as by stretching to reduce their diameters and to give bristles of proper pliability.
    • 容器封闭件包括用于密封容器以防泄漏的盖,以及用于分散容器内容物的刷状柔性构件。 盖包括顶壁,从顶壁的周边部分悬垂的内螺纹裙部,以及从顶壁的中心部分悬垂的杆。 刷子包括桨形构件或多个刷毛,其在杆下方用于将容器的内容物刷洗到表面上。 盖和刷子形成为一体式结构。 形成一件式盖子和刷子的方法包括使用特殊构造的模具来模制盖子的步骤,该模具具有至少三个相对可移动的部分,用于限定模腔并且用于实现螺纹裙部的弹出式弹出 一旦组合盖和刷被模制,从模具中。 刷毛可以具有相对较大的直径成型,并且可以在模制之后通过拉伸而延长以减小其直径并给出适当的柔韧性的刷毛。