IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0794078
(2010-06-04)
|
등록번호 |
US-8225985
(2012-07-24)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Graphic Packaging International, Inc.
|
대리인 / 주소 |
Womble Carlyle Sandridge & Rice, LLP
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
24 |
초록
▼
A carton for holding a food product. The carton has a plurality of panels that extend at least partially around an interior of the carton. The plurality of panels comprises a front panel, a back panel, a first side panel, and a second side panel. The front and back panels each have a curved edge at
A carton for holding a food product. The carton has a plurality of panels that extend at least partially around an interior of the carton. The plurality of panels comprises a front panel, a back panel, a first side panel, and a second side panel. The front and back panels each have a curved edge at an end of the carton.
대표청구항
▼
1. A carton for holding a food product, the carton comprising: a plurality of panels that extend at least partially around an interior of the carton, wherein the plurality of panels comprises a front panel, a back panel, a first side panel, and a second side panel, the first side panel being foldabl
1. A carton for holding a food product, the carton comprising: a plurality of panels that extend at least partially around an interior of the carton, wherein the plurality of panels comprises a front panel, a back panel, a first side panel, and a second side panel, the first side panel being foldably connected to the front panel and the back panel, the second side panel being foldably connected to at least one of the front panel and the back panel;with the front and back panels each having a curved edge at an end of the carton; andend flaps respectively foldably attached to panels of the plurality of panels, wherein the end flaps are overlapped with respect to one another and thereby at least partially close the end of the carton, the end flaps comprise at least one side end flap foldably attached to one of the first and second side panels and curved for at least partially closing the end of the carton, and at least one top end flap foldably attached to one of the front panel and the back panel, the at least one top end flap cooperates with the at least one side end flap to at least partially close the end, wherein the at least one side end flap is bent to conform to at least one of the curved edge of the front panel and the curved edge of the back panel to at least partially close the end. 2. The carton of claim 1 wherein the at least one side end flap comprises a first side end flap foldably attached to the first side panel and a second side end flap foldably attached to the second side panel, and wherein the first side end flap forms a first curved top wall and the second side end flap forms a second curved top wall. 3. The carton of claim 2 wherein each of the curved edge of the front panel is spaced apart from the curved edge of the back panel at the end of the carton. 4. The carton of claim 3 wherein the first and second side end flaps are at least partially overlapped with and adhered to the at least one top end flap. 5. The carton of claim 1 wherein the top end flap is a first top end flap, the end flaps comprise a second top end flap, and the first and second top end flaps are respectively foldably connected to the front panel and the back panel, and wherein the first and second top end flaps form a flat top wall of the carton. 6. The carton of claim 2 wherein: the end is a first end;the end flaps are first end flaps that are overlapped with respect to one another to close the first end; andthe carton further comprises at least two second end flaps respectively foldably attached to respective panels of the plurality of panels, wherein the second end flaps are overlapped with respect to one another to form a closed second end of the carton. 7. The carton of claim 6 wherein the first end is a top end comprising a flap top wall formed by the top end flap and the two curved side walls extending downwardly from the flat top wall, and the second end is a bottom end comprising a flat bottom wall. 8. The carton of claim 1 wherein at least one of the front panel and the back panel has a first surface area, at least one of the first side panel and the second side panel has a second surface area, the first surface area being greater than the second surface area so that the at least one of the front panel and the back panel is sized to support a greater amount of printed graphics on the exterior of the carton than the at least one of the first side panel and the second side panel. 9. The carton of claim 1 wherein the at least one side end flap is in contact with the curved edge of the front panel and the curved edge of the back panel to at least partially close the end. 10. The carton of claim 1 wherein the at least one side end flap has a width and the curved edge of the front panel is spaced apart from the curved edge of the back panel by a distance, the width being greater than or approximately equal to the distance. 11. A blank for forming a carton for holding a food product, the blank comprising: a plurality of panels comprising a front panel, a back panel, a first side panel, and a second side panel, the first side panel being foldably connected to the front panel and the back panel, the second side panel being foldably connected to at least one of the front panel and the back panel;wherein each of the front and back panels has a respective curved edge at a lateral end of the blank,end flaps respectively foldably attached to panels of the plurality of panels, wherein the end flaps are for being overlapped with respect to one another and thereby at least partially close the end of the carton formed from the blank, and the end flaps comprise at least one side end flap foldably attached to one of the first and second side panels for being curved when at least partially closing the end of the carton formed from the blank, and at least one top end flap foldably attached to one of the front panel and the back panel, the at least one top end flap being for cooperating with the at least one side end flap to at least partially close the end when the carton is formed from the blank, wherein the at least one side end flap is for being bent to conform to at least one of the curved edge of the front panel and the curved edge of the back panel to at least partially close the end when the carton is formed from the blank. 12. The blank of claim 11 wherein the front and back panels each have two curved edges, the curved edges are continuous radial edges having a radius of equal length, and wherein the front panel and the back panel each comprises an at least partially circular upper portion and a rectangular lower portion. 13. The blank of claim 11 wherein the at least one side end flap comprises a first side end flap foldably attached to the first side panel and a second side end flap foldably attached to the second side panel. 14. The blank of claim 13 wherein the end flaps comprise a first top end flap foldably connected to the back panel and a second top end flap foldably connected to the front panel, the curved edge of the front panel is a first front curved edge, the front panel further comprises a second front curved edge at the lateral end of the blank, the curved edge of the back panel is a first back curved edge, the back panel further comprises a second back curved edge at the lateral end of the blank, the first top end flap extends from the first back curved edge to the second back curved edge, and the second top end flap extends from the first front curved edge to the second front curved edge. 15. The blank of claim 11 wherein at least one of the front panel and the back panel has a first surface area, at least one of the first side panel and the second side panel has a second surface area, the first surface area being greater than the second surface area so that the at least one of the front panel and the back panel is sized to support a greater amount of printed graphics on the exterior of the carton than the at least one of the first side panel and the second side panel. 16. The blank of claim 11 wherein the at least one side end flap is for being in contact with the curved edge of the front panel and the curved edge of the back panel to at least partially close the end when the carton is formed from the blank. 17. The blank of claim 11 wherein the at least one side end flap has a first width and the one of the first side panel and second side panel has a second width, the first width being greater than or approximately equal to the second width. 18. A method of forming a carton, the method comprising: providing a blank having a front panel, a back panel, a first side panel, a second side panel, the first side panel being foldably connected to the front panel and the back panel, the second side panel being foldably connected to at least one of the front panel and the back panel, a first side end flap foldably connected to the first side panel, a second side end flap foldably connected to the second side panel, and at least one top end flap foldably connected to one of the front panel and the back panel with the front panel and the back panel having respective curved edges;forming a sleeve by folding the blank to position the front panel in generally opposed planar relationship with the back panel so that the curved edge of the front panel and the curved edge of the back panel comprise an open end of the sleeve;at least partially closing the open end by bending the first side end flap and the second side end flap relative to the first side panel and the second side panel to respectively conform at least one of the first side end flap and the second side end flap to the curved edge of the front panel and the curved edge of the back panel and at least partially overlapping at least one of the first side end flap and the second side end flap with the at least one top end flap. 19. The method of claim 18 wherein the end is a top end and the at least one top end flap comprises a first top end flap foldably connected to the back panel and a second top end flap foldably connected to the front panel, and the closing of the open end comprises overlapping and adhering the top end flaps and the side end flaps. 20. The method of claim 19 wherein the top end is a first end, the sleeve comprises an open bottom end, the top end flaps and side end flaps are first end flaps, the blank further comprises second end flaps including side end flaps and bottom end flaps, and the method further comprises overlapping the second end flaps to close the bottom end. 21. The method of claim 20 further comprising inserting a food product into the sleeve prior to closing the top end. 22. The method of claim 20 further comprising inserting a food product into the sleeve after closing the bottom end. 23. The method of claim 18 wherein the bending the first side end flap and the second side end flap comprises positioning at least one of the first side end flap and the second side end flap to contact the curved edge of the front panel and the curved edge of the back panel to at least partially close the open end. 24. The method of claim 18 wherein each of the first side end flap and the second side end flap has a respective width and the curved edge of the front panel is spaced apart from the curved edge of the back panel by a distance, the width of the first side end flap and the width of the second side end flap being greater than or approximately equal to the distance.
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