FRONT-OPENING CARTON WITH UNIQUE END FLAP ARRANGEMENT

• US 3,734,390 A
• Filed: 05/03/1971
• Issued: 05/22/1973
• Est. Priority Date: 05/03/1971
• Status: Expired due to Term

• Current Assignee: James River Corporation of Virginia (KOCH Industries Incorporated)
• Original Assignee: Kenneth T. Buttery, Richard G. Haas
• Inventors: Buttery, Kenneth T., Haas, Richard G.
• Primary Examiner(s): Norton, Donald F.
• Application Number:
  US05/139,657
• Time in Patent Office: 750 Days
• Field of Search: 229/51TS,51TC,51SC,27
• US Class Current: 229/227
• CPC Class Codes: B65D 5/28 with extensions of sides permanently secured to adjacent sides, with sides permanently secured together by adhesive strips, or with sides held in place solely by rigidity of material
• CPC Class Codes: B65D 5/48014 formed by folding extensions hinged to the side edges of a tubular body B65D5/48004 takes precedence; partition separated by erecting the body B65D5/48048
• CPC Class Codes: B65D 5/5415 the lines of weakness being provided in one or more closure flaps and in the container body so as to form after rupture a lid hinged to a side edge of the container body
• CPC Class Codes: B65D 5/6664 combined with flaps or tabs provided at the side edges of the lid

Abstract

A front-opening, rectangular paperboard carton including top, bottom, front wall, rear wall and end walls, together defining an enclosure and provided with a unique end flap arrangement which facilitates reclosure. An upstanding divider separating the enclosure into a plurality of compartments is also disclosed. At least one compartment may be provided with a removable cover panel, if desired.

Claims

1. A front-opening paperboard carton having a bottom panel;

a front wall hingedly connected to one edge of the bottom panel;

a rear wall hingedly connected along one edge thereof to the opposite edge of the bottom panel;

a top panel hingedly connected to the opposite edge of the rear wall;

a front panel hingedly connected to the top panel and overlapping the front wall;

detachable carton opening means adhesively affixing the front panel to the front wall;

rear wall end flaps hingedly connected to the rear wall and comprising a main section and a tear-out section;

front wall end flaps hingedly connected to the front wall and comprising a main section and a tear-out section;

top panel end flaps hingedly connected to the top panel;

bottom panel end flaps hingedly connected to the bottom panel and constituting one layer of end walls for the carton;

said top panel end flaps overlapping the bottom panel end flaps; and

said front wall end flaps and rear wall end flaps overlapping the bottom panel end flaps and the top panel end flaps, and the main section thereof being adhesively attached to a bottom panel end flap and the tear-out section thereof being adhesively attached to a top panel end flap.

2. The front-opening paperboard carton of claim 1 wherein each top panel end flap is provided with a lift tab, wherein one of the front wall end flaps or one of the rear wall end flaps overlies each lift tab, and wherein the end flaps overlying the lift tab have a cut-out portion providing a finger insert means under the lift tab.

3. The front-opening paperboard carton of claim 1 wherein each top panel end flap is provided with a lift tab, wherein embossments are provided in the main sections of the rear wall end flaps and the front wall end flaps adjacent to the tear-out sections of said flaps, wherein one of the rear wall end flap embossments or one of the front wall end flap embossments overlies each lift tab, and wherein the embossment overlying the lift tab has a cut-out portion providing a finger insert means under the lift tab.

4. The front-opening paperboard carton of claim 1 wherein embossments are provided in the main sections of the rear wall end flaps and the front wall end flaps adjacent to the tear-out sections of the flaps.

5. The front-opening paperboard carton of claim 4 wherein the embossments of the front wall end flaps each have a cut-out portion providing a finger insert means under the corresponding top panel end flap for opening the carton.

6. The front-opening paperboard carton of claim 4 wherein the embossments of the rear wall end flaps and the front wall end flaps each have a cut-out portion providing a finger insert meanS under the underlying top panel end flap for opening the carton.

7. The front-opening paperboard carton of claim 1 wherein rear and front wall end flaps overlapping the top panel end flap have a cut-out portion providing a finger insert means under the top panel end flap.

8. The front-opening paperboard carton of claim 1 having an upstanding divider means in said carton spaced from the front wall and the rear wall, adhesively attached to the bottom panel, and dividing enclosure defined by said walls and said panels into a plurality of compartments.

9. The front-opening paperboard carton of claim 1 having an upstanding divider means in said carton spaced from the front wall and the rear wall, adhesively attached to the bottom panel, and dividing enclosure defined by said walls and said panels into a plurality of compartments;

and a removable cover panel for at least one of the compartments hingedly connected to the free edge of the divider means and affixed to the front wall or the rear wall of the carton.

10. The front-opening paperboard carton of claim 9 wherein the removable cover panel is adhesively attached to the front wall or rear wall of the carton.

11. The front-opening paperboard carton of claim 9 wherein the removable cover panel is hingedly connected to the front wall or rear wall of the carton.

12. The front-opening paperboard carton of claim 9 wherein the removable cover panel is provided with lines of weakening defining a removable portion thereof.

13. The front-opening paperboard carton of claim 9 wherein the removable cover panel is provided with a tear strip adapted to facilitate the removal thereof.

14. The front-opening paperboard carton of claim 1 wherein a portion of the top panel end flap protrudes beyond a tear-out section of overlapping front wall end flap or rear wall end flap and the protruding portion is received in a pocket defined by the front wall and rear wall end flaps and by the bottom panel end flap.

15. The front-opening paperboard carton of claim 14 wherein a line of weakening is provided in the protruding portion so as to facilitate insertion thereof in said pocket.

16. The front-opening paperboard carton of claim 1 wherein each top panel end flap is provided with a lift-tab, and wherein the front wall end flaps overlie the lift tabs and have cut-out portions therein which provide a finger insert means under the lift tabs.

17. An integral paperboard blank for forming a front-opening carton cut and scored to provide a bottom panel;

a front wall hingedly connected to one edge of the bottom panel;

a rear wall hingedly connected along one edge thereof to the opposite edge of the bottom panel;

a top panel hingedly connected to the opposite edge of the rear wall;

a front panel hingedly connected to the top panel and adapted to overlap the front wall;

detachable carton opening means in the front panel adapted for adhesive affixation of the front panel to the front wall;

bottom panel end flaps hingedly connected to the bottom panel and adapted to constitute one layer of end walls for the carton;

rear wall end flaps hingedly connected to the rear wall and comprising a main section and a tear-out section;

front wall end flaps hingedly connected to the front wall and comprising a main section and a tear-out section;

top panel end flaps hingedly connected to the top panel and adapted to overlap the bottom panel end flaps; and

said front wall end flaps and rear wall end flaps being adapted to overlap the bottom panel end flaps and the top panel end flaps and the main section thereof being adapted for adhesive affixation to a bottom panel end flap and the tear-out section thereof being adapted for adhesive affixation to a top panel end flap.

18. The integral paperboard blank of claim 17 wherein each top panel end flap is provided with a lift tab, wherein one of the front wall end flaps or one of the rear wall end flaps is adapted to overlie each lift tab, aNd the front wall end flaps or rear wall end flaps adapted to overlie the lift tab have a cut-out portion adapted to provide a finger insert means under the lift tab.

19. The integral paperboard blank of claim 17 wherein each top panel end flap is provided with a lift tab, wherein embossments are provided in the main sections of the rear wall end flaps adjacent to the tear-out sections of said flaps, wherein one of the rear wall end flap embossments or one of the front wall end flap embossments is adapted to overlie each lift tab, and wherein the embossment adapted to overlie the lift tab has a cut-out portion adapted to provide a finger insert means under the lift tab.

20. The integral paperboard blank of claim 17 wherein embossments are provided in the main sections of the rear wall end flaps and the front wall end flaps adjacent to the tear-out sections of the flaps.

21. The integral paperboard blank of claim 20 wherein the embossments of the front wall end flaps each have a cut-out portion adapted to provide a finger insert means under the corresponding top panel end flap.

22. The integral paperboard blank of claim 17 wherein the embossments of the rear wall end flaps and the front wall end flaps each have a cut-out portion adapted to provide a finger insert means under the corresponding top panel end flap for opening the carton.

23. The integral paperboard blank of claim 17 wherein rear and front wall end flaps overlapping the top panel end flap have a cut-out portion adapted to provide a finger insert means under the top panel end flap.

24. The integral paperboard blank of claim 17 additionally having a cover panel hingedly connected to the front wall and a divider means hingedly connected to the cover panel and adapted for adhesive affixation to the bottom panel.

25. The integral paperboard blank of claim 24 wherein lines of weakening are provided in the cover panel defining a removable portion thereof.

26. The integral paperboard blank of claim 24 wherein a tear strip is provided in the cover panel.

27. The integral paperboard blank of claim 17 wherein the detachable opening means is a tear strip provided in the front panel.

28. The integral paperboard blank of claim 17 wherein a portion of the top panel end flap is adapted to protrude beyond a tear-out section of overlapping front wall end flap or rear wall end flap and the protruding portion of the top panel end flap is adapted to be received in a pocket defined by the front wall and rear wall end flaps and by the bottom panel end flap.

29. The integral paperboard blank of claim 28 wherein a line of weakening is provided in each protruding portion and is adapted to facilitate the insertion thereof in said pocket.

30. The integral paperboard blank of claim 17 wherein each top panel end flap is provided with a lift tab, and wherein the front wall end flaps are adapted to overlie the lift tabs and are provided with cut-out portions providing a finger insert means under the lift tabs.