Patent ID: 8308004
Filing Date: 2012-11-13
Classification: B65D

Abstract:
1. A dispensing package that includes: a container having a neck finish with an open end and an axis, a non-circular cross section in a plane perpendicular to said axis, and a plurality of external circumferentially extending engagement elements, and a closure having a wall received over said neck finish, said wall having a non-circular cross section corresponding to said non-circular cross section of said neck finish, and a plurality of axially spaced internal circumferentially extending engagement elements on said wall in engagement with said plurality of axially spaced external circumferentially extending engagement elements on said neck finish to non-removably mount said closure on said container, wherein said closure also has a plug seal wall disposed radially within said closure wall and received within said neck finish, wherein said plug seal wall has a non-circular cross section corresponding to said non-circular cross section of said neck finish, said internal circumferentially extending engagement elements including rounded beads disposed around said closure wall and said external circumferentially extending engagement elements including ratchet teeth on an external surface of the container neck finish and having surfaces facing in the direction of the open end with shallow lead-in angles obtusely disposed with respect to adjacent portions of said external surface of said container neck finish to enable press-fit of said closure onto said container neck finish and surfaces facing away from the open end with steep back angles obtusely disposed with respect to adjacent portions of said external surface of said container neck finish to retard removal of said closure from said neck finish, rotation of said closure on said neck finish being prevented by said non-circular cross sections.