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    • 60. 发明授权
    • Removable container cover and retainer
    • 可拆卸集装箱盖和保持架
    • US3792893A
    • 1974-02-19
    • US3792893D
    • 1972-03-27
    • ATLANTA GROTNES MACHINE CO
    • GROTNES E
    • B65D45/32B65D45/30
    • B65D45/32Y10T292/207
    • An easily removed retainer ring for cylindrical container of the sort used to contain paints, chemicals, and other substances has a cylindrical opening with an upper edge. The container may be a plastic bucket or a metal can. The cover is a solid plastic or metal disc with an annular ring attached to the periphery thereof providing an annular cavity which fits over the edge of the container and downwardly beyond the outside of the edge. The retainer ring is an open ring also with an annular cavity formed by a solid band on the inside and an interrupted band on the outside which provides a plurality of the usual flaps or lips but the ring has a weaker point where the ends are welded or otherwise attached thereby providing a quick breakaway for the removal of the ring. A conventional closing tool bends the tabs around the outside of the cover and upwardly against the side of the can. The retainer ring is removed simply by inserting a screwdriver in the tab near the weaker junction and rotating the screwdriver. The weaker junction could be made by scoring a solid band rather than a weld.
    • 用于容纳油漆,化学品和其他物质的用于圆柱形容器的容易移除的保持环具有带有上边缘的圆柱形开口。 容器可以是塑料桶或金属罐。 该盖是固定的塑料或金属盘,其环形环连接到其周边,提供环形空腔,该环形空腔配合在容器的边缘上方并且向下延伸超出边缘的外侧。 保持环是敞开的环,其中还包括由内侧固体带形成的环形空腔和外部的间隔带,其提供多个通常的翼片或唇缘,但是该环具有较弱的点,其端部被焊接或 否则附加,从而提供用于移除环的快速分离。 常规的关闭工具使突片围绕盖的外侧弯曲并向上抵靠罐的侧面。 通过将螺丝刀插入靠近较弱接合处的接头中并旋转螺丝刀即可拆下保持环。 较弱的接头可以通过刻划固体带而不是焊缝来制作。