Lid for food container

Claim 1

A reusable circular lid adapted to fit on and be fastened by hand over the rim of a container, said lid being of one piece construction and comprising a circular body portion which is substantially flat, said body portion including an annular groove or corrugation about the periphery thereof for fastening said lid to the rim of a container, a substantially flat pivot and a substantially flat flip-open section which extends away from a peripheral edge of the lid to said pivot, said pivot being defined by the juncture between said flip-open section and said body portion, said flip-open section being adapted to be repeatedly opened or closed to seal said container by pivoting said flip-open section about said pivot, said pivot being integral with said body portion and spaced from said peripheral edges of said body portion and stopping short of the geometric center of said circular lid, said flip-open section being capable of being supported at said pivot and by its own weight when in its open position, said flip-open section further being defined by the peripheral edge of said lid, said pivot and a pair of sides of said flip-open section linking said edge and said pivot, said pair of sides being spaced from the peripheral edges of said body portion and are defined by weakened areas to facilitate severing of said sides from said body portion.