초록 ▼

A container end member is provided and has a first severable tab portion which is defined by a score line groove and has an integral hinge portion for permanently securing it to the container end member and a force applying tab portion permanently pivotally mounted on the container end member and us

A container end member is provided and has a first severable tab portion which is defined by a score line groove and has an integral hinge portion for permanently securing it to the container end member and a force applying tab portion permanently pivotally mounted on the container end member and used to apply a force on the first severable tab portion to form a pour opening in the container end member and a second severable tab portion having an integral hinge portion for permanently securing it to the container end member and having a raised surface projecting outwardly from the container end member so that a force may be applied thereto to sever the second severable tab portion and form a vent opening in the container end member.

대표청구항 ▼

A container end member or the like for sealed association with a container member to provide a sealed container and which is provided with a system for forming openings therein comprising: a one piece end member having a cylindrical peripheral end surface and a central axis; an annular exterior rim

A container end member or the like for sealed association with a container member to provide a sealed container and which is provided with a system for forming openings therein comprising: a one piece end member having a cylindrical peripheral end surface and a central axis; an annular exterior rim portion on said end member for sealed association with the container member; a central end wall portion integrally connected to said annular exterior rim portion and extending generally transversely to said central axis and having an outer surface and an inner surface; a first severable tab portion in and integrally connected to said central end wall portion; a first hinge portion integral with said central end wall portion and having spaced apart ends; severable score line groove means having ends adjacent to said spaced apart ends of said first hinge portion and defining said first severable tab portion so that said first severable tab portion may be severed from said central wall portion in response to applied axially inwardly directed forces and form a pour opening in said central end wall portion; force applying means for applying said axially inwardly directed forces on said severable tab portion; pivot means permanently mounted on said central end wall portion for pivotally mounting said force applying means on said central end wall portion; said force applying means having an abutment end portion for contacting said first severable tab portion and a handle end portion so that, when an axially outwardly directed force is applied to said handle portion, said force applying means will pivot about said pivot means so that said abutment end portion will apply said axially inwardly directed forces to said first severable tab portion to sever said first severable tab portion along said first score line groove means and form said pour opening in said central end wall portion; a second severable tab portion in and integrally connected to said central end wall portion; said second severable tab portion being located in said central end wall portion at a location spaced from said first severable tab portion; a second hinge portion integral with said central end wall portion and said second severable tab portion; said second severable tab portion having a raised surface projecting axially outwardly from said central end wall portion so that an axially inwardly directed force may be applied thereto to sever said second severable tab portion and form a vent opening in said central end wall portion; and retaining means for retaining said first severable tab portion, said force applying means and said second severable tab portion on said end member after said pour and vent openings have been formed.