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    • 33. 发明授权
    • Pour spout
    • 倒出口
    • US5076333A
    • 1991-12-31
    • US361590
    • 1989-05-30
    • Verl Law
    • Verl Law
    • B65D47/28B65D47/32B67C11/04B67D3/04B67D7/00B67D7/04
    • B67D7/005B65D47/283B65D47/32B67D3/04B67D3/046B67D7/04
    • A fluid conduit formed of a hollow tube attached at one end to a container of fluid is provided at the other end with an end cap in which is formed a fluid discharge opening through which to transfer fluid. A slide valve on the exterior of the conduit is biased into a closed position, precluding fluid transfer until the discharge opening is inside a receiving vessel. An air vent tube within the conduit communicates between the interior of the container and the exterior of the fluid conduit and admits air into the container to facilitate even-flowing transfers after the transfer of an initial quality of fluid without the admission of air into the container reduces the air pressure therein sufficiently below ambient pressure to curtail further fluid transfer. Fluid filling a receiving container closes entry to the air vent tube when the receiving vessel is filled, terminating air flow into the container and stopping fluid flow through the conduit. The air vent tube includes one or more capillary sections of reduced inner diameter relative that of the air vent tube. A seal is provided for closing entry to the air vent tube when the slide valve is in its closed position, and a relief passageway with a one-way valve communicates between the air tube and the exterior of the fluid conduit to permit fluid to drain from the vent tube following each fluid transfer.
    • 在一端形成有流体的中空管的流体导管在另一端处设置有端盖,端盖形成有用于输送流体的流体排出口。 导管外部的滑阀被偏压到关闭位置,排除流体传递直到排放口在接收容器内。 管道内的排气管在容器的内部和流体导管的外部之间连通,并且允许空气进入容器,以便在传送初始质量的流体之后均匀流动,而不会进入空气进入容器 将其中的空气压力降低到低于环境压力以减少进一步的流体转移。 填充接收容器的流体在接收容器被填充时封闭进入排气管,终止空气流入容器并阻止流体流过管道。 排气管包括相对于排气管的内径减小的一个或多个毛细管部分。 当滑阀处于其关闭位置时,提供用于关闭进入通气管的密封件,并且具有单向阀的释放通道在空气管和流体导管的外部之间连通,以允许流体从 每个流体传输后的排气管。
    • 36. 发明授权
    • Retractable and vented pouring spout
    • 伸缩式排水口
    • US3934760A
    • 1976-01-27
    • US517792
    • 1974-10-24
    • Edsel Le Gresley
    • Edsel Le Gresley
    • B67D3/04B67D3/00
    • B67D3/046
    • A combined closure and pouring spout assembly is disclosed. The assembly consists of an outer closure member adapted to be received within an opening provided in a container and the outer closure has an outwardly opening recess to receive a closure plug. An inner transverse wall is provided in the outer closure and defines a bottom for the recess and a circular aperture is provided in the inner transverse wall and an elongate tube in the form of a pouring spout having inner and outer ends is carried in the circular aperture. The spout has throughout a major portion of its length an outer diameter less than the diameter of the aperture whereby the spout may be moved, when the closure plug is removed, to an extended pouring position and to a retracted non-pouring position. The spout is held captive within the aperture by an annular flange provided on the outer end of the spout and by an enlargement provided on the inner end of the spout with the annular flange and enlargement having outer diameters greater than the diameters of the circular aperture. The assembly is provided with a venting arrangement provided in association with the spout to provide air ingress into the container during pouring. The spout fits loosely within the circular aperture with the closure plug in sealing position within the outer closure thus providing communication between the interior of the spout and the interior of the container.
    • 公开了一种组合的封闭和倾倒口组件。 组件包括适于容纳在设置在容器中的开口内的外部闭合构件,并且外部闭合件具有向外开口的凹部以容纳封闭塞。 内部横向壁设置在外部封闭件中并且限定用于凹部的底部,并且在内部横向壁中设置有圆形孔,并且具有内部和外部端部的倾倒口形式的细长管被承载在圆形孔 。 喷口在其长度的大部分长度上具有小于孔的直径的外径,由此当封闭塞被移除时,喷口可以移动到延伸的倾倒位置和缩回的非倾倒位置。 喷嘴通过设置在喷口外端上的环形凸缘保持在孔内,并且通过设置在喷嘴的内端上的放大件与环形凸缘和具有大于圆形孔径的外径的扩大而保持在孔内。 组件设置有与喷口相关联地设置的排气装置,以在浇注期间提供空气进入容器。 喷嘴松动地配合在圆形孔内,封闭塞在密封位置内,从而提供喷口内部和容器内部之间的连通。