| 摘要 |
<p>A can (11) and easy open closure (10) for the can is structured and arranged to cooperate with the can such that as the closure is (10) is removed from the can (11), gas is allowed to escape while the contents of the can, such as a powder, is prevented from escaping by use of a flap (20) with holes or grooves (22) or a skirt (52) with holes or grooves (53).</p> |
