Moisture Retention Seal

摘要

Various moisture retention seals are disclosed, in the contexts of canisters and corresponding closures forming packages for avoiding moisture evaporation and in retaining liquid or moisture contained in the packages.

主权项

1. A package, comprising:
a closure having an interior surface; and a canister having a flexible top portion in contact with the interior surface of the closure, the interior surface of the closure normally applying a generally downward contact force to at least part of the flexible top portion to form a top seal between the closure and the canister, the interior surface of the canister deflecting the at least part of the flexible top portion generally downward from a rest position; wherein: the at least part of the flexible top portion of the canister is in the rest position when not in contact with the closure; and the interior surface of the closure deflects the at least part of the flexible top portion of the canister by a deflection angle from the rest position when in contact with the canister, the deflection angle being less than about ninety degrees.