Fully enclosed wrap-around carton

• US 7,159,759 B2
• Filed: 06/03/2004
• Issued: 01/09/2007
• Est. Priority Date: 06/03/2004
• Status: Active Grant

• Current Assignee: Graphic Packaging International LLC (Graphic Packaging International Incorporated)
• Original Assignee: Graphic Packaging International Incorporated
• Inventors: Sutherland, Robert L.
• Primary Examiner(s): Elkins; Gary E.
• Application Number:
  US10/860,502
• Publication Number:
  US 20050269387A1
• Time in Patent Office: 950 Days
• Field of Search: 229/103.2, 206/140, 206/141, 206/427, 53/486, 53/487, 53/488, 53/489
• US Class Current: 229/103.2
• CPC Class Codes: B65D 2571/00141 glued
• CPC Class Codes: B65D 2571/0016 by tabs protruding from one end and co-operating with openings at the other end
• CPC Class Codes: B65D 2571/00172 by tabs cut within one end and facing towards the other end when blank is unfolded, and co-operting with openings at the other end
• CPC Class Codes: B65D 2571/0029 Openings in top or bottom walls
• CPC Class Codes: B65D 2571/00444 for fingers
• CPC Class Codes: B65D 2571/0066 formed from one single sheet
• CPC Class Codes: B65D 2571/00759 the end walls having a part tucked between side, top or bottom wall and contents or between two articles
• CPC Class Codes: B65D 71/36 having a tubular shape, e.g. tubular wrappers, with end walls

Abstract

A fully enclosed pack is provided with a gusset that is capable of being formed from a blank without the use of tucker fingers. Nicks are provided between the side end panel and tuck-in panels of the carton. As the side end panels are folded, the nicks help pull the tuck-in panels inwardly to allow the gusset of the carton to take form without the use of tucker fingers in a folding/gluing operation.

Claims

1. A method of forming a wrap-around, fully enclosed carton, wherein the carton includes a top panel connected to sloping upper side panels, which are connected to lower side panels, which are connected to bottom panels, the carton having side end panels respectively connected to sides of the lower side panels, and top end panels respectively connected to sides of the top panel, and the bottom panels capable of being folded into a closed position, the top end panels capable of being respectively closed by two-piece webs, the webs being respectively connected by fold lines to the sloping upper side panels and the side end panels, and each web including a tuck-in panel, a gusset panel, and a nick, wherein for each web the nick is formed between the tuck-in panel and the respective side end panel, the nicks being capable of respectively pulling the tuck-in panels inward during formation of the carton, the method comprising:

securing the bottom panels together to form a sleeve;

closing the side end panels, wherein the nicks respectively pull the gusset panels inwardly; and

securing the top end panels to the side end panels.

2. The method of claim 1, wherein openings are respectively provided between the sloping upper side panels and the respective two piece webs to facilitate folding.

3. A carton comprising:

a top panel;

upper side panels connected to the top panel;

lower side panels respectively connected to the upper side panels at respective lateral fold lines, wherein the lower side panels extend between opposite ends of the carton;

at least one bottom panel connected to at least one of the lower side panels;

side end panels respectively connected to sides of the lower side panels at respective longitudinal fold lines, wherein the side end panels respectively extend at least partially across the ends of the carton;

top end panels respectively connected to sides of the top panel; and

webs respectively connected to the top end panels by fold lines, wherein each web includes a tuck-in panel, a gusset panel, and a nick,

the tuck-in panels are respectively adjacent the side end panels,

for each web, the nick of the web is formed between the tuck-in panel of the web and the side end panel that is adjacent to the web, and for each web, the nick of the web comprises a space between the tuck-in panel of the web and the side end panel that is adjacent the web, the space includes carton material that is substantially free from fold lines or other lines of weakening,

the nicks are operative for respectively pulling the tuck-in panels inwardly during formation of the carton, and

each nick is proximate both a respective lateral fold line of the lateral fold lines and a respective longitudinal fold line of the longitudinal fold lines.

4. The carton according to claim 3 wherein the respective lateral fold line and the respective longitudinal fold line intersect and a portion of the respective lateral fold line extends laterally beyond the intersection to a lateral end thereof, the space of each nick being between the lateral end of the respective lateral fold line and the outer periphery of the carton.

5. The carton according to claim 3 further comprising an opening between a respective upper side panel and the respective web to facilitate folding.

6. The carton according to claim 3 wherein the at least one bottom panel comprises two bottom panels folded into a closed position, each of the two bottom panels being respectively connected to one of the lower side panels.

7. The carton according to claim 3 further comprising a plurality of bottles disposed within the carton.

8. The carton according to claim 3 wherein each top end panel includes a foldably connected top end panel flap.

9. A blank for forming a carton, comprising:

a top panel;

upper side panels connected to the top panel;

lower side panels respectively connected to the upper side panels at respective lateral fold lines;

at least one bottom panel connected to at least one of the lower side panels;

top end panels respectively connected to sides of the top panel;

side end panels respectively connected to sides of the lower side panels at respective longitudinal fold lines, the side end panels extending to respective lateral edges positioned further from the center of the blank than respective lateral edges of the top end panels; and

webs respectively connected to the top end panels by fold lines, wherein each web includes a tuck-in panel, a gusset panel, and a nick,

the tuck-in panels are respectively adjacent the side end panels,

for each web, the nick of the web is formed between the tuck-in panel of the web and the side end panel that is adjacent to the web, and for each web, the nick of the web comprises a space between the tuck-in panel of the web and the side end panel that is adjacent the web, the space includes carton material that is substantially free from fold lines or other lines of weakening,

the nicks are operative for respectively pulling the tuck-in panels inwardly during formation of the blank into the carton, and

each nick is proximate both a respective lateral fold line of the lateral fold lines and a respective longitudinal fold line of the longitudinal fold lines.

10. The blank according to claim 9 wherein the respective lateral fold line and the respective longitudinal fold line intersect and a portion of the respective lateral fold line extends laterally beyond the intersection to a lateral end thereof;

the space of each nick being between the lateral end of a respective lateral fold line and the outer periphery of the carton.

11. The blank according to claim 9 further comprising an opening between the respective upper side panel and a respective web to facilitate folding.

12. The blank according to claim 9 wherein the at least one bottom panel comprises two bottom panels folded into a closed position, each of the two bottom panels being respectively connected to one of the lower side panels.

13. The blank according to claim 9 wherein each top end panel includes a foldably connected top end panel flap.

14. A method of forming a carton from a blank, comprising:

providing a blank comprising;

a top panel;

upper side panels connected to the top panel;

lower side panels connected to the upper side panels at respective lateral fold lines;

at least one bottom panel connected to at least one of the lower side panels;

side end panels respectively connected to the lower side panels at respective longitudinal fold lines;

top end panels respectively connected to sides of the top panel, and webs respectively connected to the top end panels by fold lines, wherein each web includes a tuck-in panel, a gusset panel, and a nick, the tuck-in panels are respectively adjacent the side end panels, for each web, the nick of the web is formed between the tuck-in panel of the web and the side end panel that is adjacent to the web, the nicks are operative for respectively pulling the tuck-in panels inwardly during formation of the blank into the carton, and each nick is proximate both a respective lateral fold line of the lateral fold lines and a respective longitudinal fold line of the longitudinal fold lines;

securing the at least one bottom panel to form a sleeve;

closing the side end panels; and

securing the top end panels to the side end panels.

15. The method according to claim 14, wherein an opening is provided between each upper side panel and the respective web.

16. The method according to claim 14, wherein the at least one bottom panel comprises two bottom panels, and wherein securing the at least one bottom panel comprises folding the bottom panels into a closed position and securing the bottom panels together.

17. The method according to claim 14, further comprising enclosing a plurality of bottles within the sleeve.