Construct for heating a rounded food item in a microwave oven
View Patent ↗A carton includes inclined end panels that bring microwave susceptor heating materials at the carton ends into close proximity with an article accommodated within the carton. The carton is of relatively simple construction and may be stacked with other cartons.
1. A blank for forming a construct, comprising:
a top panel having a first dimension extending along a first direction and a second dimension extending along a second direction, the first direction being crosswise to the second direction;
a first upper end panel and a second upper end panel connected to the top panel along respective fold lines extending in the second direction;
a first lower end panel and a second lower end panel connected respectively to the first upper end panel and the second upper end panel along respective fold lines extending in the second direction;
a first end closure flap and a second end closure flap connected respectively to the first lower end panel and the second lower end panel along respective fold lines extending in the second direction;
a first side panel and a second side panel foldably connected to the top panel along respective fold lines extending in the first direction;
a pair of closure tabs connected to opposite ends of the first side panel and the second side panel along respective fold lines extending in the second direction;
a plurality of corner closures including a first corner closure extending between the first upper end panel and the first side panel, wherein the first corner closure comprises
a first tuck-in panel foldably connected to the first upper end panel along a fold line that extends in the first direction,
a second tuck-in panel foldably connected to the first side panel along a fold line that extends obliquely to each of the first direction, the second direction and the fold line along which first tuck-in panel is foldably connected to the first upper end panel, and
a fold line along which the first and second tuck-in panels are connected to one another, wherein the fold line along which the first and second tuck-in panels are connected to one another extends obliquely to each of
the first direction,
the second direction.
the fold line along which the first tuck-in panel is foldably connected to the first upper end panel, and
the fold line along which the second tuck-in panel is foldably connected to the first side panel; and
at least one bottom panel foldably connected to the first side panel along a fold line extending in the first direction.
2. The blank of claim 1 , wherein
the bottom panel has a first dimension extending along the first direction and a second dimension extending along the second direction,
the first dimension of the bottom panel is greater than the second dimension of the top panel, and
the second dimension of the bottom panel is equal to the second dimension of the top panel.
3. The blank of claim 1 , wherein
the bottom panel is a first bottom panel, and
the blank further comprises a second bottom panel foldably connected to the second side panel along a fold line extending in the first direction.
4. The blank of claim 1 , wherein
the plurality of corner closures includes
a second corner closure extending between the first upper end panel and the second side panel,
a third corner closure extending between the second upper end panel and the first side panel, and
a fourth corner closure extending between the second upper end panel and the second side panel; and
for each corner closure of the second, third and fourth corner closures, the corner closure includes a first tuck-in panel and a second tuck-in panel that are connected to one another by, and partially defined by, an oblique fold line.
5. The blank of claim 1 , further comprising a plurality of cut-outs extending through the blank, at least one of the cut-outs being positioned at an intersection of the top panel, the first upper end panel, the first corner closure, and the first side panel, wherein the at least one of the cut-outs is defined in, and extends through, at least one panel selected from the group consisting of the top panel, the first upper end panel, and the first side panel.
6. The blank of claim 1 , further comprising a microwave energy interactive element overlying at least a portion of at least one of the top panel, the first upper end panel, the second upper end panel, the first side panel, the second side panel, the first lower end panel, and the second lower end panel.
7. The blank of claim 6 , wherein the microwave energy interactive element is selected from the group consisting of a susceptor, a segmented metal foil, a metal foil patch, a microwave energy interactive insulating material, and any combination thereof.
8. The blank of claim 4 , comprising
each of the second corner closure, third corner closure, and fourth corner closure being connected to the respective first upper end panel or second upper end panel along a respective fold line extending in the first direction, and
each of the second corner closure, third corner closure, and fourth corner closure being connected to the respective first side panel or second side panel along a respective oblique fold line.
9. The blank of claim 8 , further comprising a plurality of cut-outs extending through the blank, the plurality of cut-outs including
a first cut-out disposed between the top panel and the first corner closure,
a second cut-out disposed between the top panel and the second corner closure,
a third cut-out disposed between the top panel and the third corner closure, and
a fourth cut-out disposed between the top panel and the fourth corner closure.
10. A construct for receiving a food item, comprising:
a top panel including
first and second edges that are opposite from one another, and
third and fourth edges that are opposite from one another;
a bottom panel that is spaced apart from the top panel so that an interior of the construct is positioned between the top and bottom panels, the bottom panel having opposite first and second edges;
a first side panel foldably connected to both the first edge of the top panel and the first edge of the bottom panel, so that the first side panel extends from the first edge of the top panel to the first edge of the bottom panel;
a second side panel that is spaced apart from the first side panel so that the interior of the construct is positioned between the first and second side panels, the second side panel being foldably connected to both the second edge of the top panel and the second edge of the bottom panel, so that the second side panel extends from the second edge of the top panel to the second edge of the bottom panel;
a first end closure at a first end of the construct; and
a second end closure at a second end of the construct,
wherein the first end closure includes
a first upper end panel foldably connected to the third edge of the top panel, wherein the first upper end panel is disposed at an acute angle of inclination with respect to the bottom panel,
a first lower end panel foldably connected to the first upper end panel,
a first closure flap foldably connected to the first lower end panel, the first closure flap being in a facing, contacting relationship with the bottom panel, and
a pair of corner closures foldably connected to respective opposed sides of the first upper end panel and the first side panel and the second side panel, respectively; and
a pair of closure tabs connected to opposite ends of the first side panel, the closure tabs being in a facing relationship with the first lower end panel.
11. The construct of claim 10 , wherein each corner closure comprises a pair of tuck-in panels folded in an overlapping configuration with one another.
12. The construct of claim 10 , wherein
the first side panel is connected to one of the corner closures along an edge of the first side panel, and
the edge of the first side panel has an angle of inclination that generally conforms with the angle of inclination of the first upper end panel.
13. The construct of claim 10 , further comprising at least one cut-out positioned at an intersection of the top panel, the first upper end panel, the first corner closure, and the first side panel, wherein the at least one cut-out is defined in, and extends through, at least one panel selected from the group consisting of the top panel, the first upper end panel, and the first side panel.
14. The construct of claim 10 , wherein the second end closure comprises:
a second upper end panel;
a pair of corner closures foldably connected to respective opposed sides of the second upper end panel, the corner closures of the second end closure each being foldably connected to a respective one of the side panels; and
a second lower end panel foldably connected to a lower edge of the second upper end panel,
wherein each corner closure comprises a pair of tuck-in panels folded in an overlapping configuration with one another.
15. The construct of claim 10 , further comprising a microwave energy interactive element overlying at least a portion of at least one of the top panel, first side panel, second side panel, and bottom panel.
16. The construct of claim 15 , wherein the microwave energy interactive element is selected from the group consisting of a susceptor, a segmented metal foil, a metal foil patch, a microwave energy interactive insulating material, and any combination thereof.
17. The construct of claim 10 , wherein for each corner closure, the corner closure extends from an edge of the first upper end panel, and the corner closure includes a first tuck-in panel and a second tuck-in panel defined by a plurality of oblique fold lines extending away from the top panel.
18. The blank of claim 1 , wherein the fold line along which the first tuck-in panel is foldably connected to the first upper end panel is aligned with the fold line along which the first side panel is connected to the top panel.
19. The blank of claim 1 , further comprising:
closure cuts respectively positioned at opposite ends of the fold line along which the first end closure flap is connected to the first lower end panel; and
closure cuts respectively positioned at opposite ends of the fold line along which the second end closure flap is connected to the second lower end panel.
20. The blank of claim 3 , wherein the second bottom panel is an adhesive panel.
21. The blank of claim 5 , wherein the at least one of the cut-outs is defined in, and extends through, each of the top panel, the first upper end panel, and the first side panel.
22. The construct of claim 10 , wherein while the construct is fully erected:
the first side panel, as a whole, is planar such that the first side panel is coplanar with a first plane, and each of the first edge of the top panel and the first edge of the bottom panel extends in the first plane, and
the second side panel, as a whole, is planar such that the second side panel is coplanar with a second plane, and each of the second edge of the top panel and the second edge of the bottom panel extends in the second plane.
23. The construct of claim 10 , wherein
the first end closure further includes a pair of closure cuts disposed between the first closure flap and the first lower end panel, and
the closure tabs are engaging the closure cuts to maintain the first end closure in a closed configuration.
24. The construct of claim 13 , wherein the at least one cut-out is defined in, and extends through, each of the top panel, the first upper end panel, and the first side panel.