Container with collar

Claim 1

A container comprising: a side wall in the shape of a tapered cylinder including an open upper end and a lower closed end smaller than said upper end, said upper end terminating in an outwardly extending bead having an outer surface; and an annular integral collar extending outwardly around said sidewall, said annular collar comprising a downwardly extending first section including an upper end and a free lower end, and a second section interconnecting the upper end of said first section and said side wall; said collar at the free end of said first section being spaced outwardly of said sidewall by a distance substantially equal to the outward extension of the bead; and a plurality of radial ribs interconnecting said first section of said collar and said sidewall, said ribs terminating in coplanar free ends spaced from the free lower end of said collar and disposed within said collar; said collar having an inner surface facing said side wall and extending below the coplanar free ends of said ribs, said inner surface having a configuration corresponding to the outer surface of said bead; said container being configured to nest with another like container, wherein the upper end of one container is received within the collar of the other container in abutting relationship with the free ends of said radial ribs and said inner surface of said collar is in sealing engagement with the outer surface of said bead.