Patent ID: 6692685
Filing Date: 2004-02-17
Classification: B65D

Abstract:
A method of making a package that includes the steps of:(a) blow molding a hollow plastic container, including blow molding a finish and a moil that extends from said finish, (b) trimming the moil from the container finish so as to leave a conical flange extending inwardly and upwardly from said finish terminating in a machine-trimmed surface, (c) providing a closure having a base wall and a peripheral skirt, and a liner secured to said base wall within said skirt, said liner having an annular protrusion that extends axially from said base wall, said protrusion having a sealing surface spaced from and facing toward said skirt, said sealing surface being selected from the group consisting of: (1) frustoconical, angulating inwardly and axially away from said base wall, (2) convex and (3) hook-shaped, and (d) securing said closure to said container finish in such a way that said flange of said container extending from said finish is deformed inwardly and downwardly by a peripheral portion of said liner to bring said trimmed surface into sealing engagement with said sealing surface on said liner.