| 摘要 |
A closure ( 100,200 ) for a container ( 210 ), the closure ( 100,200 ) comprising a wadless membrane ( 20,220 ) and a shell ( 30 ), wherein the membrane ( 20,220 ) is adapted to be heat sealed to a rim ( 217 ) of a container to provide a gas-tight barrier, wherein the shell ( 30 ) has a downwardly extending resilient sealing element ( 40,240 ) for providing an even sealing pressure to the membrane ( 20,220 ) during heat sealing and for providing a gas-tight re-seal once the membrane ( 20,220 ) has been broken or removed. |
