Patent ID: 7891512

Claim:
A linerless closure mounted on a blow-molded container, the blow-molded container comprising a neck, said neck having an outer surface, a top surface and an edge defined by the intersection of the outer surface and the top surface, the closure comprising; a closure top having depending therefrom a sidewall which terminates at a bottom end, the sidewall having an exterior face from which depends a circumferential skirt which extends outwardly from the sidewall having an interior skirt sidewall and an interior top surface which defines a junction space between the exterior face and the skirt, wherein the junction space includes a tapered circumferential sidewall extending between the interior top surface and the interior skirt sidewall, and wherein the junction space defines a frusto-conical cavity, wherein said closure excludes any flexible or elastomeric intermediate element which is not integrally molded for formed as a part of the closure, said closure top mounted on a container, wherein the edge defined by the intersection of the outer surface and the top surface of the neck is directly compressed against the circumferential sidewall forming a sole liquid-tight seal between the closure and the blow-molded container and wherein the edge is within the frusto-contical cavity.