Plastic cover for container

Claim 1

A cover for a container, comprising: a central cover plate; a peripheral flange disposed substantially at a periphery of said cover, said peripheral flange having a generally U-shaped cross-section at least partially defined by inner and outer arms connected by a joining portion, said inner arm being integral with said central cover plate, said peripheral flange being adapted to snap onto a complimentary rim of a mouth of a container; inner and outer lip integrally formed with said inner and outer arms, respectively, thereby defining a peripheral slot extending substantially completely around said periphery of said cover; a plurality of severable tab-spots disposed within said peripheral slot thereby connecting said inner and outer lips; a gripping tab integral with said inner arm in at least one region of said periphery of said cover; and at least two hinge segments joining said inner and outer lips substantially within said peripheral slot, said at least two hinge segments being disposed substantially diametrically opposite said gripping tab to permit rotation of said central cover plate about a rotation axis defined by said hinge segments.