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US 8,336,726 B2Granted
Resealable beverage can end and methods relating to same
AssigneeCrown Packaging Technology, Inc.
InventorsChristopher Paul Ramsey, Christopher Althorpe, Michael Unwin, Vincent Manaut, Florian Christian Gregory Combe, Mark Jonathan Prestidge, Iain Charles Edward Stuart, Sylvia Maria Farrow, Alexandre Paris
Life of this patent
Estimating the term…
Abstract
A recloseable and resealable beverage can end closure includes a base plate beneath the center panel and a tab plate above the center panel. The closure is slidable relative to the center a panel to uncover the pour aperture and then to position the closure over the pour aperture to enable resealing.
Claims18
A can end combination comprising a metal can end and resealable closure coupled to the can end,
- the can end comprising a peripheral wall and a center panel, the center panel including an upper surface, an opposing lower surface, and an aperture formed therethrough;
- the closure comprising a base plate and a top plate coupled to the base plate at a first location, the base plate includes a bead, the closure having (i) a sealed position in which at least one of the base plate and top plate contact the center panel about the aperture to form a seal, (ii) an intermediate position in which the closure is proximate the aperture but not sealed, and (iii) a fully open position in which the aperture is exposed to enable pouring liquid through the aperture;
- the base plate being downwardly moveable relative to the top plate when moved from the sealed position to the intermediate position;
- the base plate and top plate being:
- (i) translatable together relative to the can end from the intermediate position to the fully open position and (ii) translatable together relative to the can end from the fully open position to the intermediate position;
- the base plate being upwardly moveable into engagement with the center panel from the intermediate position into a resealed position forming at least one of a bore seal and a flange seal;
- wherein the bead is configured to engage with a rim of the aperture when the base plate is moved into the resealed position to thereby provide an audible “click.”
4 more elements
Dependencies are inferred from the claim text.