Abstract: A sealable food container includes a base serving member such as a plate having a generally planar central portion, a sidewall extending generally upwardly and outwardly therefrom and a base outer flange portion extending outwardly from the sidewall. The sidewall defines a sealing area with an undercut annular sealing surface disposed between the substantially planar central portion of the base serving member and the base outer flange portion. The sidewall portion of the plate defines a base stop ridge adjacent the upper edge of the undercut annular sealing surface of the sidewall as well as a laterally extending retaining shelf adjacent the lower edge of the undercut annular sealing surface of the base serving member.

Abstract: A sealable food container includes a base serving member such as a bowl with a generally planar central portion, a sidewall and a flange. The sidewall defines an annular sealing region with an annular sealing portion, a stop ridge and a laterally extending retaining shelf. A lid is provided with a peripheral portion adapted to be retained by the annular base sealing portion and to be secured by the stop ridge. In one preferred embodiment, the lid is a planar paperboard lid provided with a tab and the annular sealing portion of the base is an undercut groove in its sidewall.

Abstract: A sealable food container includes a base serving member such as a plate having a generally planar central portion, a sidewall extending generally upwardly and outwardly therefrom and a base outer flange portion extending outwardly from the sidewall. The sidewall defines a sealing area with an undercut annular sealing surface disposed between the substantially planar central portion of the base serving member and the base outer flange portion. The sidewall portion of the plate defines a base stop ridge adjacent the upper edge of the undercut annular sealing surface of the sidewall as well as a laterally extending retaining shelf adjacent the lower edge of the undercut annular sealing surface of the base serving member. A matching sealing lid is typically provided with a dome, a flexible sidewall and an annular sealing portion configured to cooperate with the base stop ridge and the sealing surface of the serving member in order to seal the container.

Abstract: A three-compartment, disposable food serving plate includes three ribs in an asymmetric array angularly joined to the bottom and sidewall of the plate. The plate preferably includes a four radius, smooth profile from the bottom to the outer rim and is formed from mineral-filled polyolefin sheet. Mica-filled polypropylene is particularly preferred.

Abstract: A disposable food serving bowl formed of a mineral-filled polyolefin sheet has a substantially planar central portion, a sidewall portion and a characteristic volume V. The bowl is further characterized by way of a flange projecting outwardly from the sidewall which defines an outer arcuate rim portion with a radius of curvature subtending an outermost arc. The radius of curvature of the outermost arc is from about (V/20)⅓×0.15 to about (V/20)⅓×0.35.