EP1945519B1 - Karton mit verstärkender stapelfunktion - Google Patents

Karton mit verstärkender stapelfunktion Download PDF

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Publication number
EP1945519B1
EP1945519B1 EP06849069A EP06849069A EP1945519B1 EP 1945519 B1 EP1945519 B1 EP 1945519B1 EP 06849069 A EP06849069 A EP 06849069A EP 06849069 A EP06849069 A EP 06849069A EP 1945519 B1 EP1945519 B1 EP 1945519B1
Authority
EP
European Patent Office
Prior art keywords
carton
walls
buttress
articles
side walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06849069A
Other languages
English (en)
French (fr)
Other versions
EP1945519A1 (de
EP1945519B8 (de
Inventor
Aaron Bates
John W. Cargile, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WestRock Packaging Systems LLC
Original Assignee
Meadwestvaco Packaging Systems LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meadwestvaco Packaging Systems LLC filed Critical Meadwestvaco Packaging Systems LLC
Publication of EP1945519A1 publication Critical patent/EP1945519A1/de
Application granted granted Critical
Publication of EP1945519B1 publication Critical patent/EP1945519B1/de
Publication of EP1945519B8 publication Critical patent/EP1945519B8/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/443—Integral reinforcements, e.g. folds, flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/36—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers, with end walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00141—Wrapper locking means integral with the wrapper glued
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00246—Locating elements for the contents
    • B65D2571/00253—Locating elements for the contents integral with the wrapper
    • B65D2571/00308—Locating elements for the contents integral with the wrapper consisting of inwardly bent panels or flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • B65D2571/00728—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface the end walls being closed by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00833—Other details of wrappers
    • B65D2571/00839—Integral reinforcements

Definitions

  • the present invention relates generally to cartons for use in packaging articles and more particularly, relates to a carton whose stacking strength is enhanced by a special arrangement of an end closure structure.
  • Cartons are useful for allowing consumers to purchase, transport and store a desired quantity of articles.
  • some articles are flexible and/or deformable such as juice pouches. Such articles tend to get easily rearranged and crushed within the carton.
  • not all cartons have sufficient strength to physically protect the contents when arranged in a stacked condition. Cartons may tend to break open unintentionally when the cartons are subject to compression. What is needed, therefore, is an improved carton for packaging flexible or deformable articles.
  • the improved carton should have good stacking strength to prefect the contents when stored or displayed with like cartons in a stacked condition.
  • US 2005/242165 discloses a carton having a dispensing feature comprising a removable portion comprising end flaps and a buttress arrangement, for enhancing the stacking strength for the carton formed form distal portions of at least one side end flap.
  • DE 8905320 discloses a single display package the invention for an upright standing article, with two face walls and four side walls, from which a display window is formed, and which comprises three part flaps for forming corner columns for accommodating the article.
  • the present invention provides a carton which utilizes end flaps to increase the structural integrity of the carton while continuing to facilitate easy access to the articles within the carton.
  • Flexible and/or deferrable articles such as stand-up pouches may be retained within the carton an organized manner,
  • top and bottom opposed walls are hingedly interconnected by a pair of side walls to form a tubular body.
  • An end closure structure is provided to at least partially close each end of the tubular body.
  • a buttress arrangement is provided by each end closure structure.
  • Each buttress arrangement is disposed within the interior of the carton and extends vertically between the top and bottom walls to enhance the stacking strength of the carton.
  • each end closure structure may include a pair of side end flaps joined to the side walls respectively.
  • Each side end flap may include a proximal portion hingedly connected to the respective side wall and expending toward the other side wall.
  • Preferably at least one of the side end flaps at each end further includes a distal portion hingedly connected to the respective proximal portion.
  • the distal portion of the one side end flap may extend into the interior of the carton to form the respective buttress arrangement.
  • the other side end flap may also include a distal portion extending into the interior of the carton.
  • each end closure structure may be disposed to form, in conjunction with its hingedly attached proximal portion, and the adjacent side wall, a tubular structure with a triangular cross section to form the respective buttress arrangement.
  • the distal portion of any side end flap not formed into a triangular cross section may be positioned such that that distal portion is disposed between the articles within the carton to serve as a partition.
  • These distal portions extend an the way between the top and bottom walls to be in abutment at their upper and lower ends on the top and bottom walls.
  • the present invention in a still another aspect provides a carton comprising top and bottom opposed walls hingedly interconnected by a pair of side walls to form a tubular body, an end closure structure for at least partially closing each end of the tubular body, and a buttress arrangement provided by each end closure structure.
  • Each buttress arrangement is disposed within the interior of the carton and extends vertically between the top and bottom walls to enhance the stacking strength of the carton.
  • Each end closure structure comprises a pair of side end flaps joined to the side walls respectively.
  • Each side end flaps of each end closure structure comprises a pair of proximal and distal portions. The proximal portion is hingedly connected to the respective side wall whereas the distal portion is hingedly connected to the respective proximal portion.
  • the proximal portions of the side end flaps extend from the side walls toward each other while the distal portions extending from the respective proximal portions into the interior of the carton.
  • Preferably at least one distal portion at each end is disposed to form in conjunction with its respective proximal portion and the adjacent side wall a triangular tubular buttress arrangement
  • Each side end flap includes a vertical fold line dividing that side end flap into the distal and proximal portions.
  • the distal portion has a horizontal transverse size greater than that of the proximal portion, and preferably between 1.2 and 1.8 times the horizontal traverse size of the proximal portion.
  • each buttress arrangement may be held in place without need for an extra gluing step by using slight pressure from the articles within the carton to maintain the buttress arrangement in the desired triangular cross section.
  • Each distal portion of each buttress arrangement may extend all the way between the top and bottom walls to be in abutment at its upper and lower ends on the top and bottom walls, while the distal ends of the distal portion abut the nearest side wall.
  • the drawings illustrate exemplary embodiment of cartons 10 ( Fig. 1 ), 12 ( Fig. 7 ), and 13 ( Fig. 10 ) of the present invention in these embodiments, the cartons 10, 12, 13 are designed for packaging and dispensing articles "A" which may be beverage pouches made, for example, of a plastic- aluminum laminated film.
  • articles "A" may be beverage pouches made, for example, of a plastic- aluminum laminated film.
  • An example of such a pouch is disclosed in US. Patent No. 5,927,498 .
  • Carton 10 shown in Fig 1 is formed from a single blank 14.
  • the blank 14 is configured as shown in Fig. 2 and includes at least four primary panels for forming the carton 10.
  • the primary panels of the blank 14 are a top wall 24, a first side wall 20, a bottom wall 18 and a second side wall 22. These panels 24, 20, 18 and 22 are hingedly connected in series one to the next along fold lines 30, 32 and 34.
  • the top wall 24 is hingedly connected to the first side wall 20 by fold line 30.
  • the first side wall 20 is then hingedly connected to the bottom wall 18 by fold line 32.
  • the bottom wall 18 is then hingedly connected to the second side wall 22 by fold line 34.
  • Each of the panels 18, 20, 22 and 24 is provided with opposing end flaps that are connected to the respective primary panel along transverse fold lines 36 and 38. Fold lines 36 and 38 each extends substantially the full length of the blank 14.
  • the opposing end flaps include opposing lower end flaps 52 and 54, opposing upper end flaps 56 and 58 and opposing side end flaps 60, 62 and 64, 66
  • the end flaps 52, 56, 60 and 64 extend outward from the transverse fold line 36 while the end flaps 54, 58, 62 and 66 extend outward from the transverse fold line 38,
  • Side end flaps 60 62, 64 and 66 include medial fold lines 70, 72, 74 and 76, respectively.
  • the medial fold line of each side end flap divides that end flap into a pair of proximal and distal portions 60a, 60b, 62a, 62b, 64a, 64b; and 66a, 66b.
  • the width (or horizontal transverse size) W1 of each of the distal portions 60b, 62b, 64b, and 66b is greater than the width (or horizontal transverse size) W2 of each of the proximal portions 60a, 62a, 64a, and 66a.
  • the distance between transverse fold line 36 or 38 and each medial fold line is less (than the distance between that medial fold line and the free end edge of the respective distal portion.
  • the articles “A” are preferably stand-up pouches which may be deformable and are made from a flexible material such as a plastic-aluminum laminated film.
  • each article “A” In the empty condition, each article “A” is flat.
  • each article “A” In the filled condition, each article “A” has a flat bottom and generally rectangular front and rear panels. The front and rear panels extend from the bottom into a mutual contacting and sealed relationship at the top of the pouch.
  • the bottom of each pouch is in the form, generally, of a hexagon.
  • Each side wall of each pouch has a generally triangular configuration with its base being at the bottom. Therefore, the bottom of each pouch is considerably wider than the top when viewed from the side.
  • the side end flaps 60, 62, 64 and 66 are folded upward along transverse fold lines 36 and 38 as shown in Fig. 3 .
  • Side end flaps 60, 62, 64 and 66 are then folded along the medial fold lines 70, 72, 74 and 76 respectively so the proximal portions 60a, 62a, 64a and 66a remain in the vertical positions and the distal portions 60b, 62b, 64b and 66b extend inwardly of the blank to assume a bracing position wherein each distal portion extends downward at an angle toward the adjacent side wall 20 or 22.
  • each distal portion when in the bracing position extends between the respective proximal portion and the adjacent side wall such that it is disposed obliquely with respect to either the respective proximal portion or the adjacent side wall.
  • Each of the side end flaps thus form part of a tubular corner column having a triangular cross section; each triangular corner column is formed in part from the respective side end flap and in part from a portion of the adjacent side wall.
  • the corner columns may be completed at the later stage of the carton-forming process, in such an alternative process, the distal portions 60b, 62b, 64b and 66b may be merely pre-folded along the medial fold lines 70. 72, 74 and 76 with respect to the vertically-disposed proximal portions 60a, 62a, 64a, 66a to the extent that the distal portions lie somewhat inwardly of the blank to assume a position spaced above the adjacent side walls 20 and 22.
  • the pre-folded distal portions as deserved later, are subject to the load of the articles to be placed on such distal portions during the article-loading step and will thereby further folded to reach the respective bracing positions where the distal portions provide part of the respective corner columns.
  • each side end flap is not glued to, and thereby remains detached, from, the adjacent side wall.
  • the corner columns are held in their erected tubular forms by means of the articles received in the carton, as will be described in more details later.
  • the pouches "A" at the ends of each row are placed on the corner columns respectively and thus move and/or hold the distal portions 60b, 62b, 64b and 66b down in their bracing positions wherein the respective free end edges of the distal portions are pressed against, and thereby frictionally fixed on, the adjacent side walls 20 and 22.
  • the free end edges therefore, do not require any glue, adhesive or any other securing means (such as staples and adherent tapes) to be attached to the side walls 20, 22 and yet the corner columns are retained in their respective erected tubular forms.
  • the side walls 20 and 22 are folded toward each other along fold lines 32 and 34 in order to further erect the carton.
  • mechanical means may be used to help hold the pouches. "A” in place during this step.
  • This further erecting step eventually brings the side walls 20, 22 into the upright positions as shown in Fig. 5 .
  • the pouches "A” in one row become nested with the pouches "A” in the other row in such a manner that the bottoms of the pouches in the one row face the tops of the pouches in the other row.
  • the bottoms of the pouches in the left-hand side row and the tops of the pouches in the right-hand side row rest upon the bottom wall 18.
  • Fig. 5 From the condition of Fig. 5 , the top wall 24 and the edge, flap 80 are folded down two their respective horizontal positions and glued or otherwise secured to each other.
  • the edge flap 80 is hingedly connected to the second side wall 22 along fold line 82, Fig. 1 illustrateds the edge flap 80 as being glued to the outside surface of the top wall 24; however, it may alternatively be glued to the inside surface of the top wall 24 depending on the carton-forming process,
  • the upper and lower end flaps 56 and 52 are folded downward and upward respectively and glued to the adjacent proximal portions 60a and 64a to provide an end closure structure for closing the rear end of the carton.
  • the upper and lower end flaps 58 and 54 are also similarly folded and secured to the adjacent proximal portions 62a and 66a to provide the other end closure structure for closing the forward end of the carton.
  • a fully erected carton is thus provided as shown in Fig. 1 .
  • the pouches "A” occupy a minimum space because the pouches "A” in the one row are nested with those of the other row and also because the pouches in each row are in the overlapping condition.
  • Fig. 6 is a fragmentary cross-sectional view of the carton of Fig. 1 and shows the condition of the inside of the fully erected carton.
  • the end closure structure at the forward end of the carton is formed from the side end flaps 62 and 66 and the upper and lower end flaps 58 and 54.
  • the distal portions 62b and 66b of the side end flaps 62 and 66 extend divergently from the proximal portions 621a and 66a toward the side walls 20 and 22 respectively and are held in place against the side walls by pouches "A" so that a front buttress arrangement having the two tubular columns as shown is provided, at least in part, by the frond end closure structure.
  • the end closure structure at the rear end of the carton is formed from the side end flaps 60 and 64 and the upper and lower end flaps 56 and 52, and thus the rear buttress arrangement that includes the other two triangular tubular columns is provided at least in part by the rear end closure structure.
  • the distal portions 62b, 66b, and 60b, 64b extend all the way between the top and bottom walls 24 and 18 to allow the front and rear buttress arrangements to enhance the stacking strength of the carton.
  • the fold lines 30, 32, 34 and 82 from the horizontal longitudinal edges of the carton 10 while the transverse fold lines 36 and 38 form the vertical edges and horizontal transverse edges of the carton 10.
  • the side end flaps and the upper and lower end flaps at each end of the carton provide the respective end closure structure.
  • the distal portions of the side end flaps of each end closure structure extend divergently from the corresponding proximal end portions toward the adjacent side walls. This is best shown in Fig. 6 wherein the distal end portions 62b and 66b extend into the internal space of the carton at about 45 degrees with respect to the proximal portions 62a and 66a.
  • the distal potions of each end closure structure extend all the way between the top and bottom walls 24 and 18 and provide a buttress arrangement for enhancing the stacking strength of the carton.
  • the upper and lower ends of each distal portion are in direct abutment on the top and bottom walls 24 and 18 respectively to be able to bear the bad transmitted from the top and bottom walls when the carton is arranged with like cartons in a stacked condition.
  • each distal portion which becomes the hypotenuse of the respective triangular tubular column
  • the horizontal transverse size or width W1 is greater than the horizontal transverse size or width of the corresponding proximal portion.
  • This arrangement allows the distal portions to provide the sturdy tubular columns for achieving greater stacking strength.
  • the tubular columns also provide greater structural integrity to the carton 10. Because of the tubular columns, the carton 10 may sustain greater weights when stacked within a group of like cartons.
  • FIG. 7 - 9 An alternative method of forming the carton of Fig. 1 is illustrated in Figs. 7 - 9 .
  • a partially erected carton 12 as shown in Fig. 7 may be formed from the blank 14 of Fig. 2 .
  • the various panels, folds, etc have already been described.
  • the side end flaps 60, 62, 64 and 66 are folded upward along, transverse fold lines 36 and 38 as shown in Fig. 7 .
  • Side end flaps 60, 62, 64 and 66 are then folded, or alternatively only pre-folded, along the medial fold lines 70, 72, 74 and 76 respectively so that the proximal portions 60a, 67a, 64a and 66a remain perpendicular to the adjacent side walls 20 and 22 and the distal portions 60b, 62b, 64b and 66b extend inwardly and optionally downward toward the adjacent side walls 20 and 22.
  • the side end flaps may or may not form complete triangular columns at this stage of the carton-forming process.
  • top walls 24 is folded upward along the fold line 30, and the upper end flaps 56 and 58 are folded inward and respectively glued to the adjacent proximal portions 60a and 62a.
  • the bottom wall 18 is folded upward along the fold line 32, and the lower end flaps 52 and 54 are folded inward and respectively glued to the adjacent proximal portions 60a and 62a. This provides the partially fabricated carton 12 as shown in Fig. 7 .
  • the pouches "A" in each row are: arranged one next to another in somewhat overlapping relationship, and in particular that some of the pouches are placed to overlap the distal portions 60b and 62b of the side end flaps 60 and 62 at each end of the carton.
  • the pouches A on the distal portions 60b and 62b thus move and/or hold the distil portions 60b and 62b down in the bracing position to allow the respective triangular columns to be provided by the side end flaps 60 and 62.
  • the free end edges of the distal portions 60b and 62b are pressed against, and thereby frictionally fixed on, the adjacent side walls 20 and 22 but remain detached from the adjacent side walls 20 and 22.
  • the side panel 22 is folded over along fold line 34 to cover the pouches "A" within the carton,
  • the side end flap 64 is inserted into the carton to place the proximal portion 64a alongside the inside surfaces of the upper and lower end flaps 56 and 52 while the side end flap 66 is inserted into the carton to place the proximal portion 66a alongside the inside surfaces of the upper and lower end flaps 58 and 54.
  • the distal portions 64b and 66b are pressed against some of the pouches "A" in the carton and thereby are brought into, and/or retained in, the respective bracing position.
  • proximal portions 64a and 66a are not glued to, and thereby remain detached from, the adjacent upper and lower end flaps while the free end edges of the distal portions 64b and 66b are pressed against, but remain detached from, the adjacent side walls 20 and 22.
  • the edge flap 80 is then folded down to and glued or otherwise secured to the outside surface of the top wall 24.
  • a fully erected carton is provided which will also have an appearance as shown in Fig. 1 .
  • the carton will be essentially of the same construction as created following the steps shown in Figs. 3 - 5 . In particular the carton will have the internal triangular columns for added strength.
  • a carton of a second embodiment is illustrated in Fig. 10 .
  • the carton 90 of Fig. 10 is formed from the blank 13 shown in Fig. 11 and assembled by following a further method of forming a carton that is illustrated in Figs. 12 - 14 .
  • a partially elected carton 11 as shown in Fig. 12 is formed from thee blank 13 of Fig. 11 .
  • the blank 13 is similar in structure to the blank 14 of Fig. 2 . Therefore, the panels, flaps and other parts of the blank 13 similar, if not identical, to those of the blank 14 are designated by like reference numerals, and only the differences will be described herein below in any greater detail.
  • proximal portion 64a and distal portion 64b of side flap 64 in Fig. 2 have been replaced by a single portion flap 64c as shown in Fig. 11 .
  • proximal portion 66a and distal portion 66b of side flap 66 nave been replaced by a single portion flap 66c as shown in Fig. 11 .
  • the transverse dimension W3 of the flaps 64c and 66c may be somewhat longer than transverse dimension W2 of the side end flap proximal portions 64a and 66a. while still be no greater than the total side-to-side dimension W4 of the finished carton.
  • the partially elected and fully loaded carton as shown Fig. 14 may be assembled following substantially the same steps as those for forming the partially erected and fully loaded carton of Fig. 9 , except the steps of handling the single portion flaps 64c and 66c.
  • the single portion flaps 64c and 66c may remain unfolded with respect to the side wall 22, and thereby lie in the plane of the side wall 22, until the side wall 22 is folded to the closed position over the pouches "A".
  • the single portion flaps 64c and 66c are merely upwardly pre-folded (as shown in Fig. 14 ) less than ninety (90) degrees prior to the folding of the side wall 22 to the closed position and prior, more specifically, to the folding of the top and bottom walls 24 and 18 to the respective vertical positions.
  • the side panel 22 is folded along fold line 34 to the closed position to cover the pouches "A" within the carton.
  • the single portion flap 64c is folded about the fold line 36 onto the outside surfaces of the upper and lower end flaps 56 and 52 and is glued thereto while the single portion flap 66c is folded about the fold line 38 onto the outside surface of the upper and lower end flaps 58 and 54 and is glued thereto.
  • the edge flap 80 is folded down onto the outside surface of the top wall 24 and glued, or otherwise secured, thereto.
  • a fully erected carton 90 is thereby provided as shown in Fig. 10 .
  • the carton 90 is essentially of the same construction as that of Fig. 1 , but the carton 90 include only one (instead of two) internal triangular tubular corner columns at each end of the carton. Stated differently, the end closure structure at each end of the carton 90 provides a buttress arrangement that include only one corner column for added strength.
  • hinged connection should not be construed as necessarily referring to a single fold line only, indeed it is envisaged that hinged connection can be formed from one or more of one of the following, a score line, a line of perforation, a line of short slits or their combination, without departing from the scope of invention.
  • the size and shape of the panels may be adjusted to accommodate articles of differing size or shape.
  • the carton may accommodate only one, or more than two rows of articles.
  • the carton may be provided with one or more removable portions for access to the consents.
  • the poaches contained within the carton although generally described herein as being in rows or groups with pouch bottoms oriented in a particular direction, may also be placed in various other configurations, such as with every other pouch bottom lacing an alternating direction, or in other configurations where some pouches in a row will face one direction and other pouches in a row will face another direction.

Claims (11)

  1. Schachtel (10, 12, 13), umfassend:
    eine Decken- und eine gegenüberliegende Bodenwand (24, 18), die durch ein Paar von Seitenwänden (20, 22) gelenkig miteinander verbunden sind, um einen röhrenförmigen Körper mit einem Inneren auszubilden;
    wenigstens einen Gegenstand (A), der in dem röhrenförmigen Körper aufgenommen ist;
    eine Endverschlussstruktur (60a, 60b, 62a, 62b, 64a, 64b, 66a, 66b), um jedes der gegenüberliegenden Enden des röhrenförmigen Körpers wenigstens teilweise zu schließen;
    eine Stützpfeileranordnung, die zumindest teilweise durch jede der Endverschlussstrukturen bereitgestellt wird, um die Stapelstärke der Schachtel zu vergrößern, wobei jede der Stützpfeileranordnungen wenigstens eine röhrenförmige Säule umfasst, wobei die wenigstens eine röhrenförmige Säule neben dem wenigstens einen Gegenstand angeordnet ist;
    dadurch gekennzeichnet, dass ein Abschnitt (60b, 62b, 64b, 66b) der wenigstens einen röhrenförmigen Säule gegen eine der Seitenwände gedrückt wird und dadurch die wenigstens eine röhrenförmige Säule in einer aufgerichteten röhrenförmigen Form gehalten wird, und dadurch, dass die wenigstens eine röhrenförmige Säule einen im Allgemeinen dreieckigen Querschnitt aufweist.
  2. Schachtel nach Anspruch 1, wobei jede Endverschlussstruktur ein Paar von Seitenendklappen (60a/60b, 62a/62b, 64a/64b, 66a/66b) umfasst, die jeweils mit den Seitenwänden verbunden sind, wobei jede der Seitenendklappen einen proximalen Abschnitt (60a, 62a, 64a, 66a) umfasst, der gelenkig mit einer jeweiligen Seitenwand verbunden ist und sich in Richtung der anderen Seitenwand erstreckt, wobei eine der Seitenendklappen ferner einen distalen Abschnitt (60b, 62b, 64b, 66b) umfasst, der gelenkig mit dem proximalen Abschnitt dieser Seitenendklappe verbunden ist, wobei der distale Abschnitt dieser Seitenendklappe sich in das Innere erstreckt, um eine jeweilige Stützpfeileranordnung auszubilden.
  3. Schachtel nach Anspruch 2, wobei der distale Abschnitt der einen Seitenendklappe sich vollständig zwischen der Deckenwand und der Bodenwand erstreckt, um in anstoßender Beziehung am oberen und am unteren Ende davon an der Deckenwand und der Bodenwand zu stehen.
  4. Schachtel nach Anspruch 1, wobei die Stützpfeileranordnung an dem einen Ende des röhrenförmigen Körpers zusammen mit einem entfernbaren Abschnitt von der Schachtel entfernt werden kann, um den Gegenständen zu ermöglichen, aus der Schachtel abgegeben zu werden.
  5. Schachtel nach Anspruch 3, wobei jede Seitenendklappe eine vertikale Faltlinie (70, 72, 74, 76) umfasst, die jede Seitenendklappe in den distalen Abschnitt und den proximalen Abschnitt unterteilt, wobei der distale Abschnitt eine horizontale Querfläche aufweist, die größer als eine horizontale Querfläche des proximalen Abschnitts ist.
  6. Schachtel nach einem der Ansprüche 1 bis 5, wobei jede der Stützpfeileranordnungen innerhalb des Inneren angeordnet ist und sich vertikal zwischen der Deckenwand und der Bodenwand erstreckt, um die Stapelstärke der Schachtel zu vergrößern, und wobei die dreieckige Stützpfeileranordnung aufgrund von Druck durch den Schachtelinhalt beibehalten wird.
  7. Schachtel nach Anspruch 6, wobei die jeweiligen Stützpfeileranordnungen ohne die Verwendung einer verklebten Verbindung zwischen dem Ende des distalen Abschnitts und der berührten Seitenwand erreicht werden.
  8. Schachtel nach Anspruch 7, wobei jeder distale Abschnitt der jeweiligen Stützpfeileranordnungen sich vollständig zwischen der Decken- und der Bodenwand erstreckt, um in einer anstoßenden Beziehung an dem oberen und dem unteren Ende davon an der Decken- und Bodenwand zu stehen.
  9. Verfahren zum Ausbilden einer Schachtel (10, 12, 13) zum Halten einer Vielzahl von Gegenständen (A), wobei das Verfahren die folgenden Schritte umfasst:
    das Falten gegenüberliegender Endklappen (60a, 60b, 62a, 62b, 64a, 64b, 66a, 66b) von jeder Seitenwand eines Paars von Seitenwänden (20, 22) hinsichtlich des Rests des Zuschnitts, und zwar in jeweiligen Positionen,
    die dreieckige Stützpfeileranordnungen entlang der Innenseite der Schachtel am Ende ausbilden und sich vom oberen Ende zum unteren Ende der Schachtel erstrecken; und
    das Anordnen einer ersten Reihe von Gegenständen (A) auf einer ersten Seitenwand (20) eines Zuschnitts zum Ausbilden der Schachtel;
    das Anordnen einer zweiten Reihe von Gegenständen auf einer zweiten Seitenwand (22) des Zuschnitts;
    so dass ein Gegenstand oder mehrere Gegenstände auf jeder dreieckigen Stützpfeileranordnung liegen, um dabei zu helfen, deren Form beizubehalten; und
    das Bewegen der ersten und der zweiten Seitenwand aufeinander zu, so dass die Gegenstände in der ersten Reihe in Berührung mit den Gegenständen in der zweiten Reihe gebracht werden, wodurch beim Verschließen der Schachtel das Volumen des Inhalts ausreichend ist, um nahezu die Schachtel zu füllen und Druck auf die Innenwände der dreieckigen Stützpfeiler auszuüben, um deren Form beizubehalten.
  10. Verfahren nach Anspruch 9, wobei der Schritt des Faltens der Endklappen das Falten jeder Endklappe entlang einer ersten Faltlinie (36, 38) zwischen jeder Endklappe und einer jeweiligen Seitenwand nach oben umfasst, sowie das Falten jeder Endklappe entlang einer zweiten Faltlinie in jeder Endklappe (70, 72, 74, 76), wobei die zweite Faltlinie jede Endklappe in ein Paar von proximalen (60a, 62a, 64a, 66a) und distalen (60b, 62b, 64b, 66b) Abschnitten unterteilt, so dass die proximalen Abschnitte von jeder Seitenwand sich von jeder Seitenwand nach oben erstrecken und die distalen Abschnitte von jeder Seitenwand sich von den proximalen Abschnitten nach innen in Richtung einer jeweiligen Seitenwand erstrecken.
  11. Zuschnitt (14) zum Ausbilden einer Schachtel (10, 12, 13) gemäß einem der Ansprüche 1 bis 8, umfassend Wandflächen zum Ausbilden einer Decken- und einer gegenüberliegenden Bodenwand (24, 18), die durch ein Paar von Seitenwänden (20, 22) gelenkig miteinander verbunden sind, um einen röhrenförmigen Körper mit einem Inneren auszubilden, wobei in einer aufgerichteten Schachtel wenigstens ein Gegenstand (A) in dem röhrenförmigen Körper aufgenommen werden kann;
    Wandflächen, die eine Endverschlussstruktur (60a, 60b, 62a, 62b, 64a, 64b, 66a, 66b) ausbilden, um wenigstens teilweise jedes der gegenüberliegenden Enden des röhrenförmigen Körpers zu verschließen;
    gekennzeichnet durch eine Stützpfeileranordnung, die zumindest zum Teil durch Wandflächen von jeder der Endverschlussstrukturen bereitgestellt wird, um die Stapelstärke einer zusammengebauten Schachtel zu vergrößern, wobei jede der Stützpfeileranordnungen Wandflächen umfasst, die in wenigstens eine röhrenförmige Säule mit einem im Allgemeinen dreieckigen Querschnitt ausgebildet werden können, wobei in der aufgerichteten Schachtel die wenigstens eine röhrenförmige Säule neben dem wenigstens einen Gegenstand angeordnet ist, so dass ein Abschnitt (60b, 62b, 64b, 66b) der wenigstens einen röhrenförmigen Säule gegen eine der Seitenwände gedrückt wird und dadurch die wenigstens eine röhrenförmige Säule in einer aufgerichteten röhrenförmigen Form gehalten wird.
EP06849069A 2005-11-09 2006-11-09 Karton mit verstärkender stapelfunktion Not-in-force EP1945519B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73561905P 2005-11-09 2005-11-09
PCT/US2006/060730 WO2007079283A1 (en) 2005-11-09 2006-11-09 Carton having stacking strength-enhancing feature

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EP1945519A1 EP1945519A1 (de) 2008-07-23
EP1945519B1 true EP1945519B1 (de) 2010-06-30
EP1945519B8 EP1945519B8 (de) 2011-01-26

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AT (1) ATE472481T1 (de)
CA (1) CA2628825A1 (de)
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ES (1) ES2348256T3 (de)
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WO (1) WO2007079283A1 (de)

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ITBO20110426A1 (it) * 2011-07-15 2013-01-16 Gd Spa Metodo ed unita' di incarto per realizzare un incarto rigido provvisto di una costolatura cava
CN104470823B (zh) * 2012-07-17 2016-10-12 印刷包装国际公司 具有插件的纸箱及其形成方法
US9828772B2 (en) * 2015-06-11 2017-11-28 L'garde, Inc. Truss designs, materials, and fabrication

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EP1945519A1 (de) 2008-07-23
DE602006015218D1 (de) 2010-08-12
EP1945519B8 (de) 2011-01-26
ATE472481T1 (de) 2010-07-15
WO2007079283A1 (en) 2007-07-12
US20070145105A1 (en) 2007-06-28
CA2628825A1 (en) 2007-07-12
ES2348256T3 (es) 2010-12-02

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