Patent ID: 9038851
Filing Date: 2015-05-26
Classification: B65D

Abstract:
1. A cover comprising: a base and a lid pivotally attached to the base by a flex joint to form an inner surface; a plurality of base tabs on the base and a plurality of lid tabs on the lid; a plurality of inwardly projecting protrusions spaced apart on the inside surface of the lid, with the protrusions adapted to hold a lip of a container between the base and the lid but allow expansion or contraction of the container; with substantially each of the base tabs having a base interlocking element and with substantially each of the lid tabs having a lid interlocking element, and with each base interlocking element adapted to releasably interlock with a corresponding lid interlocking element; wherein the base has a central through opening and the diameter of the central through opening is about 80-95% or more of the total diameter of the base.