Reinforced package

• US 10,023,349 B2
• Filed: 08/18/2016
• Issued: 07/17/2018
• Est. Priority Date: 08/21/2015
• Status: Active Grant

• Current Assignee: Graphic Packaging International LLC (Graphic Packaging International Incorporated)
• Original Assignee: Graphic Packaging International LLC (Graphic Packaging International Incorporated)
• Inventors: Fitzwater, Kelly R.
• Primary Examiner(s): DEMEREE, CHRISTOPHER R
• Application Number:
  US15/240,327
• Publication Number:
  US 20170050758A1
• Time in Patent Office: 698 Days
• Field of Search: 22911735, 22911732, 22911734, 22911701, 22911706, 22911727, 383104, 383120, 383121
• CPC Class Codes: B65D 33/02 Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames B65D33/007 takes precedence
• CPC Class Codes: B65D 5/02 by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body B65D5/36 takes precedence
• CPC Class Codes: B65D 5/106 the opening being a slot
• CPC Class Codes: B65D 5/3621 collapsed along two fold lines of the tubular body
• CPC Class Codes: B65D 5/606 Bags or bag-like tubes loosely glued to the wall of a "tubular" container
• CPC Class Codes: B65D 75/525 External rigid or semi-rigid supports
• CPC Class Codes: B65D 75/5827 Tear-lines provided in a wall portion B65D75/5805, B65D75/5816 take precedence

Abstract

A reinforced package comprising a carton and a bag attached to the carton. The bag has an open top and a sealed bottom portion, and the carton comprises features to reinforce the shape of the formed package and allow access to the contents of the package.

Claims

1. A reinforced package for holding at least one product, the package comprising a carton and a bag attached to the carton,

the bag has a closed bottom and an interior for holding the at least one product,

the carton comprises:

a plurality of panels forming an interior space of the carton for receiving the bag, the plurality of panels comprising a front panel, a first side panel foldably connected to the front panel, a back panel foldably connected to the first side panel, and a second side panel foldably connected to the back panel,

a plurality of bottom end flaps comprising a first bottom end flap foldably connected to the front panel, a second bottom end flap foldably connected to the first side panel, a third bottom end flap foldably connected to the back panel, and a fourth bottom end flap foldably connected to the second side panel, the bottom end flaps are at least partially overlapped to form a closed bottom of the carton,

the bottom end flaps have locking features locking the carton in an expanded configuration of the package wherein the closed bottom is formed and the bag is received in the interior space of the carton and positioned to hold the at least one product therein, the locking features comprise a first notch in the first bottom end flap and a second notch in the fourth bottom end flap, the first notch and the second notch receiving an edge of at least one of the bottom end flaps to lock the bottom end flaps in position to form the closed bottom of the carton, the locking features comprise a female locking feature in the first bottom end flap and a male locking feature in the third bottom end flap, the male locking feature being inserted into the female locking feature to lock the carton in the expanded configuration of the package.

2. The package of claim 1, wherein the first bottom end flap is foldably connected to the front panel at a fold line, the female locking feature comprises a cut adjacent the fold line that forms a female locking opening when the first bottom end flap is folded relative to the front panel.

3. The package of claim 2, wherein the male locking feature comprises a protrusion at a distal edge of the third bottom end flap.

4. The package of claim 1, wherein the locking features comprise a first oblique fold line extending from the first notch and across the first bottom end flap and a second oblique fold line extending from the second notch and across the fourth bottom end flap.

5. The package of claim 1, wherein the bag has a first side and a second side, the first side comprises a first gusset and the second side comprises a second gusset.

6. The package of claim 5, wherein the bag comprises a tear feature that defines a removable top portion of the bag, the top portion being removable from the bag to access the interior of the bag.

7. The package of claim 1, wherein the plurality of panels comprises a top edge of the carton, the bag extends above the top edge of the carton.

8. The package of claim 1, wherein the bag has a closed bottom, the closed bottom of the bag being supported by the closed bottom of the carton.

9. A carton for holding a bag attached to the carton and at least one product, the bag has a closed bottom and an interior for holding the at least one product, the carton comprises:

a plurality of panels forming an interior space of the carton for receiving the bag, the plurality of panels comprising a front panel, a first side panel foldably connected to the front panel, a back panel foldably connected to the first side panel, and a second side panel foldably connected to the back panel,

a plurality of bottom end flaps comprising a first bottom end flap foldably connected to the front panel, a second bottom end flap foldably connected to the first side panel, a third bottom end flap foldably connected to the back panel, and a fourth bottom end flap foldably connected to the second side panel, the bottom end flaps are at least partially overlapped to form a closed bottom of the carton,

the bottom end flaps have locking features locking the carton in an expanded configuration wherein the closed bottom is formed and the bag is received in the interior space of the carton and positioned to hold the at least one product therein, the locking features comprise a first notch in the first bottom end flap and a second notch in the fourth bottom end flap, the first notch and the second notch are for receiving an edge of at least one of the bottom end flaps to lock the bottom end flaps in position to form the closed bottom of the carton, the locking features comprise a female locking feature in the first bottom end flap and a male locking feature in the third bottom end flap, the male locking feature being inserted into the female locking feature to lock the carton in the expanded configuration.

10. The carton of claim 9, wherein the first bottom end flap is foldably connected to the front panel at a fold line, the female locking feature comprises a cut adjacent the fold line that forms a female locking opening when the first bottom end flap is folded relative to the front panel.

11. The carton of claim 10, wherein the male locking feature comprises a protrusion at a distal edge of the third bottom end flap.

12. The carton of claim 9, wherein the locking features comprises a first oblique fold line extending from the first notch and across the first bottom end flap and a second oblique fold line extending from the second notch and across the fourth bottom end flap.

13. In combination, a carton blank and a bag attached to the carton blank for forming a reinforced package for holding at least one product,

the bag has a closed bottom and an interior for holding the at least one product in the reinforced package,

the carton blank comprises:

a plurality of panels for forming an interior space of the carton for receiving the bag, the plurality of panels comprising a front panel, a first side panel foldably connected to the front panel, a back panel foldably connected to the first side panel, and a second side panel foldably connected to the back panel,

a plurality of bottom end flaps comprising a first bottom end flap foldably connected to the front panel, a second bottom end flap foldably connected to the first side panel, a third bottom end flap foldably connected to the back panel, and a fourth bottom end flap foldably connected to the second side panel, the bottom end flaps are for being at least partially overlapped to form a closed bottom of the carton in the reinforced package,

the bottom end flaps have locking features for locking the carton in an expanded configuration of the package wherein the closed bottom is formed, and the bag is received in the interior space of the carton and positioned to hold the at least one product therein, the locking features comprise a first notch in the first bottom end flap and a second notch in the fourth bottom end flap, the first notch and the second notch are for receiving an edge of at least one of the bottom end flaps to lock the bottom end flaps in position to form the closed bottom of the carton, the locking features comprise a female locking feature in the first bottom end flap and a male locking feature in the third bottom end flap, the male locking feature for being inserted into the female locking feature to lock the carton in the expanded configuration.

14. The combination of claim 13, wherein the first bottom end flap is foldably connected to the front panel at a fold line, the female locking feature comprises a cut adjacent the fold line that forms a female locking opening when the first bottom end flap is folded relative to the front panel.

15. The combination of claim 14, wherein the male locking feature comprises a protrusion at a distal edge of the third bottom end flap.

16. The combination of claim 13, wherein the locking features comprises a first oblique fold line extending from the first notch and across the first bottom end flap and a second oblique fold line extending from the second notch and across the fourth bottom end flap.

17. The combination of claim 13, wherein the bag has a first side and a second side, the first side comprises a first gusset and the second side comprises a second gusset.

18. The combination of claim 17, wherein the bag comprises a tear feature that defines a removable top portion of the bag, the top portion being removable from the bag to access the interior of the bag.

19. A method of forming a reinforced package for holding at least one product, the method comprising:

obtaining a carton blank comprising a plurality of panels, the plurality of panels comprising a front panel, a first side panel foldably connected to the front panel, a back panel foldably connected to the first side panel, and a second side panel foldably connected to the back panel, a plurality of bottom end flaps comprising a first bottom end flap foldably connected to the front panel, a second bottom end flap foldably connected to the first side panel, a third bottom end flap foldably connected to the back panel, and a fourth bottom end flap foldably connected to the second side panel, the bottom end flaps have locking features, the locking features comprise a first notch in the first bottom end flap and a second notch in the fourth bottom end flap, the locking features comprise a female locking feature in the first bottom end flap and a male locking feature in the third bottom end flap;

obtaining the bag having a closed bottom and an interior for holding the at least one product in the reinforced package;

positioning the plurality of panels of the carton blank to form an interior space of the carton for receiving the bag;

attaching the bag to the carton blank;

forming a closed bottom of the carton by at least partially overlapping the bottom end flaps; and

activating the locking features to lock the carton in an expanded configuration of the package wherein the closed bottom is formed and the bag is received in the interior space of the carton and positioned to hold the at least one product therein such that the first notch and the second notch receive an edge of at least one of the bottom end flaps to lock the bottom end flaps in position to form the closed bottom of the carton and such that the male locking feature is inserted into the female locking feature to lock the carton in the expanded configuration of the package.

20. The method of claim 19, wherein the first bottom end flap is foldably connected to the front panel at a fold line, the female locking feature comprises a cut adjacent the fold line, the activating the locking features comprises folding the first bottom end flap relative to the front panel to form a female locking opening at the cut.

21. The method of claim 20, wherein the male locking feature comprises a protrusion at a distal edge of the third bottom end flap, the inserting comprises inserting the protrusion into the female locking opening.

22. The method of claim 19, wherein the locking features comprises a first oblique fold line extending from the first notch and across the first bottom end flap and a second oblique fold line extending from the second notch and across the fourth bottom end flap.

23. The method of claim 19, wherein the bag has a first side and a second side, the first side comprises a first gusset and the second side comprises a second gusset, the method comprises positioning the carton blank and the bag from a flat configuration to the expanded configuration by positioning the panels relative to each other to form the interior space of the carton and folding the first gusset and the second gusset to form the interior of the bag.

24. The method of claim 23, wherein the bag comprises a tear feature that defines a removable top portion of the bag, method further comprises removing the top portion from the bag to access the interior of the bag.