ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,615, issued on Nov. 11.
"Opening and closing mechanism for thermally insulated container" was invented by Jinfei Dong (Fujian, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An opening and closing mechanism for a thermally insulated container providing good sealing effect and easy operation, including upper and lower connecting pieces pivotally connected, and a sealing ring on the lower connecting piece. The lower connecting piece also has a through hole into which a protruding part of the upper connecting piece is inserted. The sealing ring has a ring body around a side wall of the through hole, and a hook integrally connected to the ring bod...