Tamper evident container lid and method of making the same

Abstract From the Canadian patent

A package comprises a container having an open end defined by end structure forming a sealing portion and a rim surrounding the open end and a tamper evident lid closing the container end. The lid comprises seal structure in sealing engagement with the container sealing portion and a skirt disposed about the end structure and extending from the rim along the container in a direction away from the open end. The skirt defines a first skirt portion adjacent the rim and a second tear strip portion extending from the first skirt portion. The skirt portions are connected by a plurality of narrow necks extending between skirt perforations. Latching projections formed in the tear strip portion …