Drinks can resealable stopper securing system - accommodates in base trough covered by sheet to form sealed evacuated chamber

摘要

The stopper is for resealing the cam with a drinking mouthpiece, inserted in a trough formed by an arched portion (6) of the can bottom (7). It is secured there by covering with a sheet of material forming a completely enclosed chamber, in which a vacuum is generated, pressing the stopper etc. against the can bottom. The sheet of material (10) can be welded or glued to the can along a beaded edge. In place of a sheet of material a one-side open box or an inlet can be used and which contacts the base with an angled edge.