Patent 10138031 was granted and assigned to IPL on November, 2018 by the United States Patent and Trademark Office.
A cover for a container, comprising a central web comprising a first web part and a second web part; and a hinge pivotally connecting the first and second web parts; wherein a first one of the web parts comprises at least one rib on an edge thereof facing the hinge, and a second one of the web parts comprises at least one corresponding recess on an edge thereof facing the hinge.