| 摘要 |
A closure for an aperture in a container wall having an annulus of gasket material around the aperture, has a plug portion and a peripheral flange extending axially and outwardly of the plug portion to terminate in a feather edge adapted to engage the gasket material when the plug portion is inserted in the aperture. In order to seal the aperture, the gasket material applied to the wall to surround the aperture and the plug portion of the closure is force fitted into the aperture to hold the feather edge of the flange in sealing engagement with the gasket material. The closure may be used to close cans of beverages and permit easy access to the contents by pushing the plug portion into the can.
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