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    • 9. 发明授权
    • Vented closure
    • 通风封闭
    • US4136796A
    • 1979-01-30
    • US633907
    • 1975-11-20
    • Robert A. DuboisWilliam H. Gushard
    • Robert A. DuboisWilliam H. Gushard
    • B65D51/16B65D51/18
    • B65D51/1616B65D51/18B65D2251/0015B65D2251/0075
    • A closure is provided for a container opening. The opening is defined by a neck extending outwardly from the top of the container. The closure includes a liner cap disposed both interiorly and exteriorly of the neck and defines a central passage. A plug extends across the top of the cap to close off the passage from the exterior. The plug is provided with at least one longitudinal hole. The lower end of the plug has attached thereto a membrane extending across the passage. This membrane does not permit liquids within the container to pass therethrough, but possesses the property of being capable of venting gasses therethrough. A dust cap may extend across the top of the closure during shipment and storage.
    • 为容器开口提供封闭件。 开口由从容器顶部向外延伸的颈部限定。 封闭件包括设置在颈部的内部和外部并限定中心通道的衬里盖。 塞子延伸穿过盖的顶部以从外部封闭通道。 插头设有至少一个纵向孔。 插头的下端连接有延伸穿过通道的膜。 该膜不允许容器内的液体通过,但具有能够将气体排出的特性。 在运输和储存期间,防尘帽可能会延伸穿过密封件的顶部。