Patent ID: 6547093
Filing Date: 2003-04-15
Classification: B29C,B65D

Abstract:
An upper container portion for a plastic container having a hollow interior for receiving food products therein, with the upper container portion comprising, in combination: a sidewall having a top; and a lip projecting radially inward from the top of the sidewall, with the lip including an outer annular portion extending from the sidewall, with the outer annular portion having an outer face extending upward away from the hollow interior of the plastic container at a small acute angle, with the lip including an inner annular portion radially inward of the outer annular portion, with the inner annular portion having an outer face extending from the outer annular portion downward towards the hollow interior of the plastic container, wherein the inner annular portion has an inner face extending from the outer annular portion and has a thickness between the inner face and the outer face, with the thickness of the inner annular portion decreasing with radial spacing from the sidewall, with the inner annular portion terminating in a free edge, with the lip having an upper surface including the outer faces of the inner and outer annular portions, with the upper surface being continuous and smooth to present a continuous seal area for a seal member by the lip independent of the deflection of the lip into the interior of the container.