Carton with locking feature

• US 9,346,234 B2
• Filed: 08/28/2014
• Issued: 05/24/2016
• Est. Priority Date: 08/28/2013
• Status: Active Grant

• Current Assignee: Graphic Packaging International Incorporated
• Original Assignee: Graphic Packaging International Incorporated
• Inventors: Hajek, Ronald E., Burke, Bradley J.
• Primary Examiner(s): DEMEREE, CHRISTOPHER R
• Application Number:
  US14/471,283
• Publication Number:
  US 20150060537A1
• Time in Patent Office: 635 Days
• Field of Search: 229/242, 229/149, 493/49, 493/84, 493/137, 493/162
• US Class Current: 1/1
• CPC Class Codes: B31B 50/26 Folding sheets, blanks or webs
• CPC Class Codes: B31B 50/81 Forming or attaching accessories, e.g. opening devices, closures or tear strings
• CPC Class Codes: B65D 5/5425 and defining after rupture a lid hinged to the upper edge of the container body
• CPC Class Codes: B65D 5/6608 the lid being held in closed position by self-locking integral flaps
• CPC Class Codes: B65D 5/6667 and connected to one another in order to form an uninterrupted telescoping flange B65D5/667 takes precedence

Abstract

In one aspect, the disclosure is generally directed to a carton for holding at least one product. The carton includes a plurality of panels that extends at least partially around the interior of the carton. The plurality of panels includes a front panel, a top panel, and a lid panel foldably connected to the top panel. The carton includes a lid pivotably attached to the carton. The lid includes the lid panel and the top panel and is moveable between a closed position wherein the lid panels is positioned in face-to-face contact with the front panel and an open position allowing access to the interior of the carton. The carton includes locking features for releasably attaching the reclosable lid in the closed position. The locking features include at least one male locking portion in the front panel and at least one female locking portion in the lid panel.

Claims

1. A carton for holding and dispensing at least one product, the carton comprises:

a plurality of panels that extends at least partially around the interior of the carton, the plurality of panels comprise a front panel, a top panel, and a lid panel foldably connected to the top panel;

a lid pivotably attached to the carton, the lid comprises the lid panel and the top panel and is moveable between a closed position wherein the lid panel is positioned in face-to-face contact with the front panel and an open position allowing access to the interior of the carton;

locking features for releasably attaching the reclosable lid in the closed position preventing access to the interior of the carton, the locking features comprise at least one male locking portion in the front panel and at least one female locking portion in the lid, the locking features being releasably engaged in the closed position to allow the lid to be pivoted to the open position; and

a plurality of end flaps for closing an end of the carton, the plurality of end flaps comprises a first end flap foldably connected to the front panel and a second end flap foldably connected to the lid panel, the male locking portion is defined by features in the first end flap and the female locking portion is defined by features in the second end flap, and the female locking portion comprises an opening and a foldable flap foldably connected to the second end flap adjacent the opening, the foldable flap is foldable relative to the second end flap to releasably engage the male locking portion.

2. The carton of claim 1, wherein the male locking portion comprises a locking tab in the front panel that is defined by at least one cut in the first end flap.

3. The carton of claim 2, wherein the opening comprises at least one cut in the second end flap.

4. The carton of claim 3, wherein the foldable flap is formed by the at least one cut that comprises a first lateral cut, a second lateral cut, and a longitudinal cut extending between the first lateral cut and the second lateral cut.

5. The carton of claim 4, wherein the longitudinal cut is spaced inward from the respective ends of the first lateral cut and second lateral cut to from and H-shaped cut forming the foldable flap.

6. The carton of claim 2, wherein the locking tab extends outwardly from the front panel into the opening and releasably engages the foldable flap of the female locking portion in the closed position of the lid.

7. The carton of claim 2, wherein the plurality of end flaps comprises a third end flap foldably connected to the top panel, the third end flap comprises a notch and a tab at a distal end of the third end flap.

8. The carton of claim 7, wherein the reclosable lid comprises the lid panel, the top panel, the second end flap, and the third end flap.

9. The carton of claim 8, wherein the plurality of panels comprises a back panel foldably connected to the top panel and a bottom panel foldably connected to the back panel and the front panel, the reclosable lid is pivotably attached to the back panel at a fold line.

10. The carton of claim 7, wherein the tab of the third end flap engages the locking tab of the front panel to hold the lid in the closed position.

11. The carton of claim 1, wherein an access panel is removably attached to the front panel along a first tear line, the lid panel is positioned in face-to-face contact with the access panel in the closed position of the lid.

12. The carton of claim 11, wherein the plurality of panels comprises a back panel foldably connected to the top panel and a bottom panel foldably connected to the front panel and the back panel, the reclosable lid is pivotably attached to the back panel at a fold line.

13. The carton of claim 1, wherein the plurality of end flaps is a first plurality of end flaps and the end is a first end, the at least one male locking feature is a first male locking feature, and the at least one female locking portion is a first female locking portion, the carton comprises a second plurality of end flaps closing a second end of the carton, a second male locking feature, and a second female locking portion.

14. A blank for forming a carton for holding and dispensing at least one product, the blank comprises:

a plurality of panels, the plurality of panels comprise a front panel, a top panel, and a lid panel foldably connected to the top panel;

lid features for forming a lid, the lid features comprises the lid panel and the top panel;

locking features comprising at least one male locking portion in the front panel and at least one female locking portion in the lid panel, the locking features are configured for being releasably engaged in the closed position to allow the lid to be pivoted to the open position when the blank is formed into a carton; and

a plurality of end flaps for closing an end of the carton when the blank is formed into a carton, the plurality of end flaps comprises a first end flap foldably connected to the front panel and a second end flap foldably connected to the lid panel, the male locking portion is defined by features in the first end flap and the female locking portion is defined by features in the second end flap, and the female locking portion comprises an opening and a foldable flap foldably connected to the second end flap adjacent the opening, the foldable flap is foldable relative to the second end flap to releasably engage the male locking portion in the carton formed from the blank.

15. The blank of claim 14, wherein the male locking portion comprises a locking tab in the front panel that is defined by at least one cut in the first end flap.

16. The blank of claim 15, wherein the opening comprises at least one cut in the second end flap.

17. The blank of claim 16, wherein the foldably flap is formed by the at least one cut that comprises a first lateral cut, a second lateral cut, and a longitudinal cut extending between the first lateral cut and the second lateral cut.

18. The blank of claim 15, wherein the locking tab is configured to extend outwardly from the front panel into the opening and releasably engage the foldable flap of the female locking portion in the closed position of the lid when the blank is formed into a carton.

19. The blank of claim 14, wherein the plurality of end flaps comprises a third end flap foldably connected to the top panel, the third end flap comprises a notch and a tab at a distal end of the third end flap.

20. The blank of claim 19, wherein the lid features comprises the lid panel, the top panel, the second end flap, and the third end flap.

21. The blank of claim 20, wherein the plurality of panels comprises a back panel foldably connected to the top panel and a bottom panel foldably connected to the back panel and the front panel.

22. The blank of claim 14, wherein an access panel is removably attached to the front panel along a first tear line, the lid panel is for being positioned in face-to-face contact with the access panel in the closed position of the lid when the blank is formed into a carton.

23. The blank of claim 22, wherein the plurality of panels comprises a back panel foldably connected to the top panel and a bottom panel foldably connected to the front panel and the back panel.

24. The blank of claim 14, wherein the plurality of end flaps is a first plurality of end flaps and the end is a first end, the at least one male locking feature is a first male locking feature, and the at least one female locking portion is a first female locking portion, the blank comprises a second plurality of end flaps, a second male locking feature, and a second female locking portion.

25. A method of forming a carton for holding and dispensing at least one product, the method comprises:

obtaining a blank comprising a plurality of panels, the plurality of panels comprise a front panel, a top panel, and a lid panel foldably connected to the top panel;

lid features for forming a lid, the lid features comprises the lid panel and the top panel;

locking features comprising at least one male locking portion in the front panel and at least one female locking portion in the lid panel; and

a plurality of end flaps, the plurality of end flaps comprises a first end flap foldably connected to the front panel and a second end flap foldably connected to the lid panel, the male locking portion is defined by features in the first end flap and the female locking portion is defined by features in the second end flap, and the female locking portion comprises an opening and a foldable flap foldably connected to the second end flap adjacent the opening;

forming an interior of the carton at least partially defined by the plurality of panels;

forming the reclosable lid by positioning the lid panel in face-to-face contact with the front panel; and

engaging the male locking portion with the female locking portion, the engaging comprises folding the foldably flap relative to the second end flap to releasably engage the male locking portion.

26. The method of claim 25, wherein an access panel is removably attached to the front panel along a first tear line, and the method further comprises positioning the lid panel in face-to-face contact with the access panel.

27. The method of claim 26, wherein

the male locking portion comprises a locking tab in the front panel that is defined by at least one cut in the first end flap;

and

the opening comprises at least one cut in the second end flap.

28. The method of claim 27, wherein the at least one cut comprises a first lateral cut, a second lateral cut, and a longitudinal cut extending between the first lateral cut and the second lateral cut.

29. The method of claim 27, the method further comprises separating the reclosable lid by tearing the access panel along the first tear line accessing the interior of the carton and pivoting the lid to the open position.

30. The method of claim 29, wherein the method further comprises reclosing the carton by pivoting the reclosable lid to the closed position, and engaging the locking extending from the front panel with the foldable flap and the opening.

31. The method of claim 30, wherein the plurality of end flaps further comprise a third end flap foldably connected to the top panel, the third end flap comprises a notch and a tab at a distal end of the third flap;

and the reclosable lid comprises the lid panel, the top panel, the second end flap, and the third end flap.

32. The method of claim 31, wherein the plurality of panels comprises a back panel foldably connected to the top panel and a bottom panel foldably connected to the back panel and the front panel.

33. The method of claim 30, wherein an audible click is produced when the foldable flap passes the locking tab and the locking tab engages the opening as the lid is pivoted to the closed position.

34. The method of claim 27, wherein the plurality of end flaps is a first plurality of end flaps and the end is a first end, the at least one male locking feature is a first male locking feature, and the at least one female locking portion is a first female locking portion, the carton comprises a second plurality of end flaps closing a second end of the carton, a second male locking feature, and a second female locking portion.