Patent ID: 9540150
Date: 2017-01-10
CPC Classifications: B65D

Claim:
1. A stopper for a container retaining liquids, solids, or gases, the stopper comprising: a main body, wherein the main body includes an upper portion and a lower portion, the main body sized and shaped to fit over an opening of the container; wherein the lower portion includes a plug sized and shaped to snugly fit the opening of the container; and a flexible sheath affixed to the stopper, the sheath being rollable down an exterior surface of the container a length below the lower portion of the main body to facilitate a seal of the container; the main body having an annular groove sized and shaped to retain the sheath when rolled up wherein the main body includes a ridge adjacent and below the annular groove; wherein the annular groove is located above a gap residing between the plug and interior walls of the sheath.