초록

This invention relates to an improved can end construction for carbonated beverage cans having a score line defined opening panel incorporated in a selectively contoured pouring spout configuration for accommodation of an automatic pressure releasing resealing cap assembly engageable therewith.

대표청구항 ▼

In a container closure for an open mouth container having a liquid content from which a gas dissociates, the combination comprising: a spout assembly having a score line defined opening panel therein and an outwardly projecting continuous lip defining a substantially smooth sealing surface surroundi

In a container closure for an open mouth container having a liquid content from which a gas dissociates, the combination comprising: a spout assembly having a score line defined opening panel therein and an outwardly projecting continuous lip defining a substantially smooth sealing surface surrounding said opening, a sealing cap adapted to removably overlie said spout assembly, said sealing cap including, a top wall, a skirt depending from said top wall adapted to fit in sealing interference with said sealing surface on said spout, said skirt having an inwardly directed ledge at its distal end that includes an upper ledge surface adapted to be disposed in interfacial sealing engagement with at least a portion of said sealing surface in aid spout assembly and a lifting tab extending outwardly from the skirt, and at least one channel means in said inwardly directed ledge in close proximity to said lifting table to provide at least one exposable unobstructed pressure venting channel traversing said continuous lip for interrupting the interfacial sealing engagement between said upper ledge surface and said projecting lip in said spout assembly in response to outward displacement of said upper ledge surface relative to said sealing surface in said spout assembly.