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US 9,174,765 B2Granted
Carton with pressure control feature
AssigneeGraphic Packaging International, Inc.
InventorsMark Sinclair, Joseph C. Walsh
Life of this patent
Estimating the term…
Abstract
A carton may include a linter. The liner may include one or more pressure control features for automatically relieving pressure from within an area enclosed by the liner. A pressure control feature may be in the form of one or more vent passageways extending through the liner.
Claims48
A package for containing and dispensing contents, the package comprising:
- a carton;
- and
- a liner positioned in an interior of the carton, the liner comprising at least one vent passageway extending through the liner, the vent passageway being configured for automatically in a predetermined manner relieving gas pressure from within an area enclosed by the liner;
- wherein
- the liner is a laminate comprising an inner ply and outer ply;
- the vent passageway includes both a hole in the inner ply and a hole in the outer ply, and the holes are in fluid communication with one another;
- and
- one of the holes is smaller than the other of the holes, for restricting flow through the vent passageway.
5 more elements
A package for containing and dispensing contents, the package comprising:
- a carton;
- a liner positioned in an interior of the carton, the liner comprising at least one vent passageway extending through the liner, the vent passageway being configured for automatically in a predetermined manner relieving gas pressure from within an area enclosed by the liner;
- and
- adhesive material, the liner being mounted to a panel of the carton at least by way of the adhesive material, and the adhesive material not obstructing the vent passageway.
1 more element
A package for containing and dispensing contents, the package comprising:
- a carton;
- a liner positioned in an interior of the carton, the liner comprising pressure control means for automatically in a predetermined manner relieving gas pressure from within an area enclosed by the liner;
- and
- adhesive material, the liner being mounted to a panel of the carton at least by way of the adhesive material, and the adhesive material not obstructing the pressure control means.
1 more element
A package for containing and dispensing contents, the package comprising:
- a carton;
- and
- a liner positioned in an interior of the carton, the liner comprising pressure control means for automatically in a predetermined manner relieving gas pressure from within an area enclosed by the liner, wherein:
- the liner is a laminate comprising an inner ply and outer ply;
- the pressure control means includes both a hole in the inner ply and a hole in the outer ply, and the holes are configured so that the holes are in fluid communication with one another;
- and
- one of the holes is smaller than the other of the holes, for restricting flow through the vent passageway.
4 more elements
A carton blank for being formed into a package, the carton blank comprising:
- a plurality of panels respectively foldably connected to one another;
- and
- a liner mounted to at least one panel of the plurality of panels, the liner comprising at least one vent passageway extending through the liner, the vent passageway being configured for automatically in a predetermined manner relieving gas pressure from within an area enclosed by the liner when the carton blank is formed into the package.
A method of forming a package, the method comprising:
- erecting a carton with a liner, so that the liner forms a substantially closed inner container that is positioned in an interior of the carton;
- and
- the liner comprising at least one vent passageway extending through the liner, the vent passageway being configured for automatically in a predetermined manner relieving gas pressure from within substantially closed inner;
- wherein
- the liner is a laminate comprising an inner ply and outer ply;
- the vent passageway includes both a hole in the inner ply and a hole in the outer ply, and the holes are in fluid communication with one another;
- and
- one of the holes is smaller than the other of the holes for restricting flow through the vent passageway.
5 more elements
A method of forming a package, the method comprising:
- obtaining a carton blank comprising a plurality of panels respectively foldably connected to one another;
- mounting a liner to at least one panel of the plurality of panels, the liner comprising at least one vent passageway extending through the liner;
- erecting the carton with the liner positioned at least partially in an interior of the carton;
- and
- enclosing an area with the liner, the vent passageway being configured for automatically in a predetermined manner relieving gas pressure from within the area enclosed by the liner.
2 more elements
Dependencies are inferred from the claim text.