US Patent 11254479 Lid for a storage container

There is provided herein a lid for a vacuum storage container, which contains a lid body having a top side and an opposing bottom side, the lid comprising a pressure-release valve having a vacuum-sealed position and a vacuum-release position, and a collar on the bottom side of the lid body having an open end, the pressure-release valve extending from the top side of the lid body into the collar on the bottom side, and a sheath covering the open end of the collar on the bottom side, which sheath reduces a vacuum loss when the pressure-release valve is in the vacuum-sealed position while permitting a release of vacuum when the pressure-release valve is in the vacuum-release position.