EP1363842A1 - Wraparound carton with a beam structure and blank therefor - Google Patents

Wraparound carton with a beam structure and blank therefor

Info

Publication number
EP1363842A1
EP1363842A1 EP02713865A EP02713865A EP1363842A1 EP 1363842 A1 EP1363842 A1 EP 1363842A1 EP 02713865 A EP02713865 A EP 02713865A EP 02713865 A EP02713865 A EP 02713865A EP 1363842 A1 EP1363842 A1 EP 1363842A1
Authority
EP
European Patent Office
Prior art keywords
panels
carton
panel
wall
blank
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.)
Granted
Application number
EP02713865A
Other languages
German (de)
French (fr)
Other versions
EP1363842B1 (en
Inventor
Philippe Lebras
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 EP1363842A1 publication Critical patent/EP1363842A1/en
Application granted granted Critical
Publication of EP1363842B1 publication Critical patent/EP1363842B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • B65D71/14—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 without end walls
    • B65D71/16—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 without end walls with article-locating elements
    • 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
    • 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
    • B65D2571/00716—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular without end walls

Definitions

  • the present invention relates to a carton and a blank for forming the same. More particularly, the present invention relates to a carton incorporating a beam structure adapted to fit in the recess between interconnected cups or pots of so-called brick packages, for example.
  • Such groupings may constitute a single pair or any other desired arrangement such as two rows of two packages each, two rows of three, four or five packages each or greater number of rows desired number of containers.
  • such containers are relatively small and in order to provide for efficient handling during shipment and displays in retail outlets, it is desirable to stack the articles in tiers one above the other.
  • each cup or pot is considered to represent a separate article.
  • Some cups or pots are subdivided into separate sections (e.g. yoghurt pots in which the flavouring is in a separate section from the yoghurt).
  • This invention relates particularly to a beam structure which interconnects a carton side or top wall with its base wall such that the longitudinal axis of the beam is inclined relative to the plane of the carton's top wall and engages with a recess between adjacent pots.
  • Previous beams have required the carrier to be applied to an upright article grouping from below.
  • a wraparound carton for packaging two or more articles with a recess defined between adjacent articles, the carton comprising a top wall, a side wall, a base wall and a beam structure arranged to form a tubular structure so as to encircle the article wherein the beam structure is arranged to be placed in the recess and is hingedly interconnected at one end thereof to the base wall.
  • the carton is provided with a second side wall and wherein the second end of the beam structure is hingedly connected to the second side wall. More preferably the second end is hingedly connected to the second side wall intermediate the upper edge and the base of the article.
  • the second end of the beam structure is hingedly connected to the top wall of the carton.
  • the beam structure comprises a pair of support panels hingedly connected along a common longitudinal edge.
  • the support panels may define therebetween an acute angle to facilitate formation of the beam.
  • this aspect of the present invention there further comprises a medial panel intermediate and hingedly interconnecting the support panels along their common longitudinal edge.
  • the support panels are hingedly connected to the adjacent wall panel by one or more bracket panels.
  • the bracket panels maybe trapezoidal in shape.
  • the gusset panels are preferably, folded out of alignment with respect to each said support panel so as to abut a wall of the adjacent articles.
  • part of said support panels may each abut a wall of adjacent articles.
  • blank for wraparound carrier comprising a plurality of wall panels hingedly interconnected in series, wherein the wall panels include a pair of base panels at the opposite end to the blank, and wherein one of the base panels is connected to an adjacent wall panel through a beam forming portion that includes a bracket panel hingedly connected to the base panel and a pair of support panels both connected to the bracket panel and extending to said adjacent wall panel.
  • an opposing end of the beam forming structure is hingedly connected to a side wall panel. More preferably, the distance between the fold lines hingedly interconnecting the side wall panel and the beam forming structure and top wall respectively in less than the distance between the top and base of the article to be packaged.
  • the first end of the beam structure is hingedly interconnected to the top wall panel of the carton.
  • the pair of support panels may be separated by a medial panel.
  • bracket panels are trapezoidal in shape.
  • bracket panels are triangular in shape.
  • a third aspect of the invention provides a method of forming a carton from the blank comprising the steps of :-
  • FIGURE 1 shows a blank for forming a wraparound carton incorporating a beam structure according to one embodiment of the invention
  • FIGURE 2 shows an inverted perspective view of the blank of Figure 1 shown having an article introduced thereto;
  • FIGURES 3 and 4 show inverted perspective views of successive stages of the carton erection process
  • FIGURES 5 and 6 show perspective views a folly erected and loaded carton formed from the blank shown in Figure 1 ;
  • FIGURE 7 shows a blank for forming a wraparound carton incorporating a beam structure according to a second embodiment of the invention
  • FIGURES 8 and 9 show perspective views a folly erected and loaded carton formed from the blank shown in Figure 1.
  • a blank 10 made from paperboard or similar foldable sheet material for forming a wraparound carton according to the invention having a plurality of panels for forming a beam structure 14 provided therewith, for packaging one or more articles.
  • the blank comprises in series a plurality of panels for forming a carton having a top, a base and opposed side walls.
  • the beam structure 14 extends between, and is hingedly connected to the first base wall panel 12 and first side wall panel 16 via a pair of bracket arrangements.
  • the beam structure 14 can be interposed between portions of the article(s) to support it.
  • the beam structure 14 is struck from at least in part the first base panel 12 and first side wall panel 16, so that those parts of the aforesaid panels not forming the beam structure, form part of the external walls.
  • each bracket arrangement comprises a bracket panel 34, 36 hingedly connected along one edge to the first base wall panel 12 along fold line 30 and first side wall panel along fold line 32 respectively.
  • the bracket panels 34, 36 are substantially trapezoidal in shape and fold lines 30, 32 are provided along their longest edges.
  • Each bracket panel 34, 36 is hinged along each of its opposing oblique side edges to a pair of gusset panels 42a, 42b and 42c, 42d along fold lines 44a, 44b, 44c, 44d respectively.
  • the gusset panels 42a, 42b, 42c, 42d are substantially triangular in shape, in the preferred embodiment of Figure 1.
  • bracket panel and/or gusset panels are not limited to the shapes described above and it is envisaged that other shapes could be used to provide abeam of a substantially inverted "N" shaped cross-section, for example.
  • Gusset panels 42a and 42b are hingedly connected along fold line 46a to first and second end article support panels 38 and 40 respectively.
  • gusset panels 42c and 42d are hingedly connected along fold line 46b to opposite ends of the first and second article support panels 38 and 40 respectively.
  • a medial panel 48 separates the article support panels 38, 40 and is hingedly connected thereto along its side edges by fold lines 50, 52.
  • the medial panel 48 is, in the preferred embodiment, hingedly connected to the shortest edge of bracket panels 34 and 36 by fold lines 46a and 46b.
  • the carton of the present invention can be formed by a series of sequential folding and, optionally, gluing operations which can be performed in a known straight line machine so that the carton is riot required to be rotated or inverted to complete its construction.
  • the folding process is not limited to that described below and can be altered according to particular manufacturing requirements.
  • the articles are shown inverted for clarity only.
  • the top wall panel 18 of carton blank 10 is brought into contact with the upper planar face of the articles A by relative vertical motion therebetween.
  • the blank 10 is then part erected to provide a pair of oppositely disposed side walls by folding side wall panels 16, 20 inwardly about fold lines 24 and 26.
  • the bracket panels 34, 36 are folded out of alignment with first base wall panel 12 and first side wall panel 16, such that first base wall panel 12 overlies the base of the articles A.
  • the beam structure 14 is constructed by folding first and second support panels 38, 40 along common fold lines 50, 52 into an angular relationship with each other and with medial panel 48 ( Figure 4), such that medial panel 48 is uppermost.
  • the folding of the first and second support panels 38, 40 simultaneously causes gusset panels 42a, 42b and 42c, 42d to be folded out of alignment with bracket panels 34, 36.
  • the first and second support panels are automatically folded by virtue of the introduction of the beam structure into the gap between adjacent articles A.
  • the width of the medial panel 48 is equal to or less than the spacing between adjacent pots but the overall unfolded width of the beam structure 14 is wider than the spacing between pots.
  • the intrinsic resilience of the folded paperboard ensures that a snug fit is maintained between the support panels 38, 40 and the articles.
  • Second base wall panel 22 is then folded over the base of articles A and is secured to first base wall panel 13 using glue, or other suitable means known in the art, such as mechanical interlocking means, for example thereby, forming a composite base wall.
  • glue or other suitable means known in the art, such as mechanical interlocking means, for example thereby, forming a composite base wall.
  • the carton is now folly erected, as shown in Figures 4, 5 and 6 with a beam of a substantially inverted "U" shaped cross section.
  • bracket panels 34, 36 are not limited to being of trapezoidal shape.
  • the support panels may be folded upwardly to form a beam of inverted structure.
  • second base wall panel may be extended to cover the entire base, and may potentially be provided with a flap to be secured to first side wall panel 16.
  • the beam support panels may flex, shown in Figure 5, so as to engage the articles to improve rigidity of the carton.
  • the support panels function as engaging strips.
  • the panels 38, 40 flex along the fold lines 44a, 50, 44d; and 44b, 52, 44c and these fold lines may be oriented so as to better confirm to the shape of the adjacent article.
  • FIG. 7 a second embodiment of the invention as illustrated in Figures 7, 8 and 9, like parts have, where possible, been represented by like numerals with the addition of the pre-fix "1".
  • the second embodiment is similar to the first embodiment, so only the differences are described in any greater detail.
  • the blank 110 as illustrated in Figure 7, this embodiment differs from the first embodiment in that the first side wall panel has been omitted and the beam structure 114 is thus hingedly interconnected directly to top wall panel 118 along fold line 132. Additionally, the beam structure has been extended in length to compensate for the omission of the first side wall panel.
  • support panels 138 and 140 are mutually hingedly connected along a common fold line 143 and further, that the gusset panels have been omitted such that support panels 138 and 140 are trapezoidal in shape and are directly hingedly interconnected to bracket panels 134 and 136 along fold lines 135, 139 and 137, 141 respectively.
  • the carton of the second embodiment can be formed by a series of sequential folding and gluing operations which can be performed in a straight line machine so that the carton is not required to be rotated or inverted to complete its construction.
  • first and second base wall panels 112 and 122 being secured together using glue or other suitable means known in the art to form a composite base wall as shown in Figure 8.
  • the beam structure 114 is constructed by folding first and second support panels 138 and 140 along their common fold line 143 into an angular relationship with each other such that the fold line 143 is uppermost, in this embodiment.
  • the first and second support panels are automatically folded by virtue of the introduction of the beam structure 114 into the gap between adjacent articles A.
  • the width of the support panels 138, 140 when in a co-planar state are wider than the space inbetween pots.
  • the intrinsic resilience of the folded paperboard ensures that a snug fit is maintained between the support panels 138, 140 and the articles.
  • the combination of a wraparound arrangement with a inclined beam interposed between articles substantially prevents the relative movement of the articles A and carton which may otherwise compromise the automated handling of the cartons and the stacking thereof.
  • the beam arrangement may be used to replace end retention means which have hitherto been used to prevent relative horizontal movement between articles and carton, but which generally require an additional folding step to be carried out as part of the erection process.
  • top As used herein, the terms “top”, “base”, “side”, “upper” and “lower” with respect to the panels of the carton are relative terms, and that the carton may be reoriented as necessary or as desired. Any reference to hinged connections should not be construed as necessarily referring to a single fold line only; indeed it is envisaged that a hinged connection can be formed from a score line, a frangible line or one, two or more fold lines without departing from the scope of invention.
  • the present invention and its preferred embodiment relates to a beam structure in a wraparound carton which is shaped to provide satisfactory strength to hold at least one article securely but with a degree of flexibility so that the load transferred to the beam structure is absorbed by the carton.
  • the shape of the blank minimises the amount of paperboard required.
  • the carton can be applied to an array of articles by hand or automatic machinery.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Pallets (AREA)

Abstract

A wraparound carrier comprising a plurality of wall panels hingedly interconnected in series, wherein the wall panels include a pair of base wall panels (12, 22) at the opposite end to the blank, and wherein one of the base wall panels (12) is connected to an adjacent wall panel (16) through a beam forming portion (14) that includes a bracket panel (34) hingedly connected to the base wall panel (12) and a pair of support panels (38, 40) both connected to the bracket panel (34) and extending to said adjacent wall panel (16).

Description

WRAPAROUND CARTON WITH A BEAM STRUCTURE AND BLANK THEREFOR
Background of the Invention
The present invention relates to a carton and a blank for forming the same. More particularly, the present invention relates to a carton incorporating a beam structure adapted to fit in the recess between interconnected cups or pots of so-called brick packages, for example.
Such groupings may constitute a single pair or any other desired arrangement such as two rows of two packages each, two rows of three, four or five packages each or greater number of rows desired number of containers. Ordinarily, such containers are relatively small and in order to provide for efficient handling during shipment and displays in retail outlets, it is desirable to stack the articles in tiers one above the other.
For the purposes of this application, each cup or pot is considered to represent a separate article. Some cups or pots are subdivided into separate sections (e.g. yoghurt pots in which the flavouring is in a separate section from the yoghurt).
This invention relates particularly to a beam structure which interconnects a carton side or top wall with its base wall such that the longitudinal axis of the beam is inclined relative to the plane of the carton's top wall and engages with a recess between adjacent pots. Previous beams have required the carrier to be applied to an upright article grouping from below.
Examples of such carriers are disclosed in EP 0 972 718 Al to Goossens Beauvais and FR 2
423 399 to Calvert.
One problem of such carriers is that they are incompatible with conventional wraparound packaging machinery in which the carrier is applied to the article grouping from above or below and is wrapped around the article grouping.
Summary of the Invention The present invention seeks to overcome or at least mitigate the problems of the prior art.
According to a first aspect of the invention there is provided a wraparound carton for packaging two or more articles with a recess defined between adjacent articles, the carton comprising a top wall, a side wall, a base wall and a beam structure arranged to form a tubular structure so as to encircle the article wherein the beam structure is arranged to be placed in the recess and is hingedly interconnected at one end thereof to the base wall.
Preferably the carton is provided with a second side wall and wherein the second end of the beam structure is hingedly connected to the second side wall. More preferably the second end is hingedly connected to the second side wall intermediate the upper edge and the base of the article.
Alternatively, the second end of the beam structure is hingedly connected to the top wall of the carton.
According to an optional feature of this aspect of the invention, the beam structure comprises a pair of support panels hingedly connected along a common longitudinal edge.
The support panels may define therebetween an acute angle to facilitate formation of the beam.
According to another optional feature of this aspect of the present invention there further comprises a medial panel intermediate and hingedly interconnecting the support panels along their common longitudinal edge.
According to yet another optional feature of this aspect of the present invention the support panels are hingedly connected to the adjacent wall panel by one or more bracket panels. The bracket panels maybe trapezoidal in shape. In some embodiments, there may further comprise a pair of gusset panels hingedly connected to said bracket panel and folded out of alignment therewith, wherein said pair of gusset panels hingedly connect said support panels to said bracket panel. The gusset panels are preferably, folded out of alignment with respect to each said support panel so as to abut a wall of the adjacent articles.
According to an optional feature of this aspect of the present invention part of said support panels may each abut a wall of adjacent articles.
According to a second aspect of the invention there is provided blank for wraparound carrier comprising a plurality of wall panels hingedly interconnected in series, wherein the wall panels include a pair of base panels at the opposite end to the blank, and wherein one of the base panels is connected to an adjacent wall panel through a beam forming portion that includes a bracket panel hingedly connected to the base panel and a pair of support panels both connected to the bracket panel and extending to said adjacent wall panel.
Preferably an opposing end of the beam forming structure is hingedly connected to a side wall panel. More preferably, the distance between the fold lines hingedly interconnecting the side wall panel and the beam forming structure and top wall respectively in less than the distance between the top and base of the article to be packaged.
Alternatively, the first end of the beam structure is hingedly interconnected to the top wall panel of the carton.
According to an optional feature of this aspect of the invention, the pair of support panels may be separated by a medial panel.
According to another optional feature of this aspect of the present invention the bracket panels are trapezoidal in shape. Alternatively the bracket panels are triangular in shape. According to another optional feature of this aspect of the present invention there further comprises a pair of gusset panels hingedly connected to said bracket panel wherein said pairs of gusset panels hingedly connect said support panels to said bracket panel.
A third aspect of the invention provides a method of forming a carton from the blank comprising the steps of :-
(i) introducing an array of articles having a recess defined between adjacent articles, to the blank; (ii) inserting the beam forming portion into the recess to cause the support panels to be folded out of alignment and to engage the walls of the adjacent articles; and (iii) fold the top base panels into overlapping arrangement to be secured together.
Brief Description of the Drawings
Exemplary embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:-
FIGURE 1 shows a blank for forming a wraparound carton incorporating a beam structure according to one embodiment of the invention;
FIGURE 2 shows an inverted perspective view of the blank of Figure 1 shown having an article introduced thereto;
FIGURES 3 and 4 show inverted perspective views of successive stages of the carton erection process;
FIGURES 5 and 6 show perspective views a folly erected and loaded carton formed from the blank shown in Figure 1 ;
FIGURE 7 shows a blank for forming a wraparound carton incorporating a beam structure according to a second embodiment of the invention; and FIGURES 8 and 9 show perspective views a folly erected and loaded carton formed from the blank shown in Figure 1.
Detailed Description of the Preferred Embodiments
Referring to the drawings, and in particular Figure 1, there is shown one example of a blank 10 made from paperboard or similar foldable sheet material for forming a wraparound carton according to the invention having a plurality of panels for forming a beam structure 14 provided therewith, for packaging one or more articles. The blank comprises in series a plurality of panels for forming a carton having a top, a base and opposed side walls. In this embodiment, there comprises a first base wall panel 12, the beam structure 14, a first side wall panel 16, a top wall panel 18, a second side wall panel 20 and a second base wall panel 12 hingedly interconnected in series along fold lines 30, 32, 24, 26, 28 respectively.
The beam structure 14 extends between, and is hingedly connected to the first base wall panel 12 and first side wall panel 16 via a pair of bracket arrangements. Thus, the beam structure 14 can be interposed between portions of the article(s) to support it. Preferably the beam structure 14 is struck from at least in part the first base panel 12 and first side wall panel 16, so that those parts of the aforesaid panels not forming the beam structure, form part of the external walls.
In this embodiment, each bracket arrangement comprises a bracket panel 34, 36 hingedly connected along one edge to the first base wall panel 12 along fold line 30 and first side wall panel along fold line 32 respectively. Preferably, the bracket panels 34, 36 are substantially trapezoidal in shape and fold lines 30, 32 are provided along their longest edges. Each bracket panel 34, 36 is hinged along each of its opposing oblique side edges to a pair of gusset panels 42a, 42b and 42c, 42d along fold lines 44a, 44b, 44c, 44d respectively. The gusset panels 42a, 42b, 42c, 42d are substantially triangular in shape, in the preferred embodiment of Figure 1. Of course the shape of the bracket panel and/or gusset panels are not limited to the shapes described above and it is envisaged that other shapes could be used to provide abeam of a substantially inverted "N" shaped cross-section, for example. Gusset panels 42a and 42b are hingedly connected along fold line 46a to first and second end article support panels 38 and 40 respectively. Likewise, gusset panels 42c and 42d are hingedly connected along fold line 46b to opposite ends of the first and second article support panels 38 and 40 respectively.
In this embodiment, a medial panel 48 separates the article support panels 38, 40 and is hingedly connected thereto along its side edges by fold lines 50, 52. The medial panel 48 is, in the preferred embodiment, hingedly connected to the shortest edge of bracket panels 34 and 36 by fold lines 46a and 46b.
Turning to the construction of the carton illustrated in Figures 2, 3 and 4, it is envisaged that the carton of the present invention can be formed by a series of sequential folding and, optionally, gluing operations which can be performed in a known straight line machine so that the carton is riot required to be rotated or inverted to complete its construction. The folding process is not limited to that described below and can be altered according to particular manufacturing requirements. The articles are shown inverted for clarity only.
Referring first to Figure 2, the top wall panel 18 of carton blank 10 is brought into contact with the upper planar face of the articles A by relative vertical motion therebetween. Turning to Figure 3, the blank 10 is then part erected to provide a pair of oppositely disposed side walls by folding side wall panels 16, 20 inwardly about fold lines 24 and 26. The bracket panels 34, 36 are folded out of alignment with first base wall panel 12 and first side wall panel 16, such that first base wall panel 12 overlies the base of the articles A.
Meanwhile, or contemporaneously, the beam structure 14 is constructed by folding first and second support panels 38, 40 along common fold lines 50, 52 into an angular relationship with each other and with medial panel 48 (Figure 4), such that medial panel 48 is uppermost. The folding of the first and second support panels 38, 40 simultaneously causes gusset panels 42a, 42b and 42c, 42d to be folded out of alignment with bracket panels 34, 36. Beneficially, the first and second support panels are automatically folded by virtue of the introduction of the beam structure into the gap between adjacent articles A. For this to be achieved, the width of the medial panel 48 is equal to or less than the spacing between adjacent pots but the overall unfolded width of the beam structure 14 is wider than the spacing between pots. The intrinsic resilience of the folded paperboard ensures that a snug fit is maintained between the support panels 38, 40 and the articles.
Second base wall panel 22 is then folded over the base of articles A and is secured to first base wall panel 13 using glue, or other suitable means known in the art, such as mechanical interlocking means, for example thereby, forming a composite base wall. The carton is now folly erected, as shown in Figures 4, 5 and 6 with a beam of a substantially inverted "U" shaped cross section.
It is envisaged that the angular relationship between support panels 38 and 40 can be altered by moving fold lines 44a, 44b, 44c, 44d and/or fold lines 46a, 46b according to particular requirements of the beam structure 14. The bracket panels 34, 36 are not limited to being of trapezoidal shape. In other classes of embodiment, it is envisaged that the support panels may be folded upwardly to form a beam of inverted structure. In some embodiments, second base wall panel may be extended to cover the entire base, and may potentially be provided with a flap to be secured to first side wall panel 16.
In some embodiments, the beam support panels may flex, shown in Figure 5, so as to engage the articles to improve rigidity of the carton. In these embodiments the support panels function as engaging strips. Preferably the panels 38, 40 flex along the fold lines 44a, 50, 44d; and 44b, 52, 44c and these fold lines may be oriented so as to better confirm to the shape of the adjacent article.
Turning to a second embodiment of the invention as illustrated in Figures 7, 8 and 9, like parts have, where possible, been represented by like numerals with the addition of the pre-fix "1". The second embodiment is similar to the first embodiment, so only the differences are described in any greater detail. Referring in particular to the blank 110 as illustrated in Figure 7, this embodiment differs from the first embodiment in that the first side wall panel has been omitted and the beam structure 114 is thus hingedly interconnected directly to top wall panel 118 along fold line 132. Additionally, the beam structure has been extended in length to compensate for the omission of the first side wall panel.
Turning to the beam structure 114 in more detail, it can be seen that in this embodiment support panels 138 and 140 are mutually hingedly connected along a common fold line 143 and further, that the gusset panels have been omitted such that support panels 138 and 140 are trapezoidal in shape and are directly hingedly interconnected to bracket panels 134 and 136 along fold lines 135, 139 and 137, 141 respectively.
Turning to the construction of the carton to form a folly set up carton as illustrated in Figures 8 and 9, it is again envisaged that the carton of the second embodiment can be formed by a series of sequential folding and gluing operations which can be performed in a straight line machine so that the carton is not required to be rotated or inverted to complete its construction.
The folding operation is substantially as described in the first embodiment and results in the blank forming a tubular carton encircling the articles A. Thereafter, first and second base wall panels 112 and 122 being secured together using glue or other suitable means known in the art to form a composite base wall as shown in Figure 8.
The beam structure 114 is constructed by folding first and second support panels 138 and 140 along their common fold line 143 into an angular relationship with each other such that the fold line 143 is uppermost, in this embodiment.
Beneficially, the first and second support panels are automatically folded by virtue of the introduction of the beam structure 114 into the gap between adjacent articles A. For this to be achieved, the width of the support panels 138, 140 when in a co-planar state are wider than the space inbetween pots. Again, the intrinsic resilience of the folded paperboard ensures that a snug fit is maintained between the support panels 138, 140 and the articles.
It will be appreciated by those skilled in the art that the combination of a wraparound arrangement with a inclined beam interposed between articles substantially prevents the relative movement of the articles A and carton which may otherwise compromise the automated handling of the cartons and the stacking thereof. Thus, the beam arrangement may be used to replace end retention means which have hitherto been used to prevent relative horizontal movement between articles and carton, but which generally require an additional folding step to be carried out as part of the erection process.
It will be recognised that as used herein, the terms "top", "base", "side", "upper" and "lower" with respect to the panels of the carton are relative terms, and that the carton may be reoriented as necessary or as desired. Any reference to hinged connections should not be construed as necessarily referring to a single fold line only; indeed it is envisaged that a hinged connection can be formed from a score line, a frangible line or one, two or more fold lines without departing from the scope of invention.
The present invention and its preferred embodiment relates to a beam structure in a wraparound carton which is shaped to provide satisfactory strength to hold at least one article securely but with a degree of flexibility so that the load transferred to the beam structure is absorbed by the carton. The shape of the blank minimises the amount of paperboard required.
The carton can be applied to an array of articles by hand or automatic machinery.

Claims

1. A wraparound carton for packaging two or more articles with a recess defined between adjacent articles, the carton comprising a top wall, a side wall, a base wall and a beam structure arranged to form a tubular structure so as to encircle the article wherein the beam structure is arranged to be placed in the recess and is hingedly connected at one end thereof to the base wall.
2. A carton as claimed in claim 1 wherein the carton is provided with a second side wall and wherein the second end of the beam structure is hingedly connected to the second side wall.
3. A carton as claimed in claim 2 wherein the second end is hingedly connected to the second side wall at an elevation intermediate the top wall and the base wall.
4. A carton as claimed in claim 1 wherein the second end of the beam structure is hingedly connected to the top wall of the carton.
5. A carton as claimed in any preceding claim wherein the beam structure comprises a pair of support panels hingedly connected together along a common longitudinal edge.
6. A carton as claimed in claim 5 wherein said support panels define therebetween an acute angle to facilitate formation of the beam.
7. A carton as claimed in claim 1 wherein the beam structure comprises a pair of support panels and a medial panel intermediate and hingedly interconnecting the support panels along their respective upper longitudinal edges.
8. A carton as claimed in any of claims 5 to 7 wherein the support panels are hingedly connected to the adjacent wall panel by one or more bracket panels.
9. A carton as claimed in claim 8 wherein the bracket panels are trapezoidal in shape.
10. A carton as claimed in claim 8 or claim 9 wherein there further comprises a pair of gusset panels hingedly connected to said bracket panel and folded out of alignment therewith, wherein said pair of gusset panels hingedly connect said support panels to said bracket panel.
11. A carton as claimed in claim 10 wherein the gusset panels are folded out of alignment with respect to each said support panel so as to abut a wall of the adjacent articles.
12. A carton as claimed in any preceding claim wherein said support panels each at least in part abut a wall of adjacent articles.
13. A carton as claimed in any preceding claim wherein said base wall comprises a pair of first and second base wall panels secured together, and said beam structure is connected at said one end to one of said base wall panels.
14. A carton as claimed in claim 13 wherein said first base wall panel is hingedly connected to said first side wall, and said second base wall panel is connected to said one end of said beam structure.
15. A blank for wraparound carrier comprising a plurality of wall panels hingedly interconnected in series, wherein the wall panels include a pair of base wall panels at the opposite end to the blank, and wherein one of the base wall panels is connected to an adjacent wall panel through a beam forming portion that includes a bracket panel hingedly connected to the one base wall panel and a pair of support panels both connected to the bracket panel and extending to said adjacent wall panel.
16. A blank as claimed in claim 15 wherein an opposing end of the beam forming structure is hingedly connected to said adjacent wall panel along a first fold line.
17. A blank as claimed in claim 16 wherein said adjacent wall panel is a side wall panel which is hingedly connected to a top wall panel along a second fold line, and the distance between said first and second fold line is less than the distance between the top and base of the article to be packaged.
18. A blank as claimed in claim 16 wherein said adjacent wall panel is a top wall panel of the carton.
19. A blank as claimed in any of claims 15 to 18 wherein the pair of support panels are separated by a medial panel.
20. A blank as claimed in any of claims 15 to 19 wherein the bracket panels are trapezoidal in shape.
21. A blank as claimed in any of claims 15 to 19 wherein the bracket panels are triangular in shape.
22. A blank as claimed in any of claims 19 to 21 wherein there further comprises a pair of gusset panels hingedly connected to said bracket panel, and wherein said pairs of gusset panels hingedly connect said support panels to said bracket panel.
23. A method of forming a carton from the blank of any one of claims 15 to 22 comprising the steps of :-
(i) introducing an array of articles having a recess defined between adjacent articles, to the blank;
(ii) inserting the beam forming portion into the recess to cause the support panels to be folded out of alignment and to engage the walls of the adjacent articles; and
(iii) fold the top base panels into overlapping arrangement to be secured together.
EP02713865A 2001-03-02 2002-03-04 Wraparound carton with a beam structure and blank therefor Expired - Lifetime EP1363842B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0105223.2A GB0105223D0 (en) 2001-03-02 2001-03-02 Carton and blank therefor
GB0105223 2001-03-02
PCT/US2002/008007 WO2002070366A1 (en) 2001-03-02 2002-03-04 Wraparound carton with a beam structure and blank therefor

Publications (2)

Publication Number Publication Date
EP1363842A1 true EP1363842A1 (en) 2003-11-26
EP1363842B1 EP1363842B1 (en) 2004-11-24

Family

ID=9909879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02713865A Expired - Lifetime EP1363842B1 (en) 2001-03-02 2002-03-04 Wraparound carton with a beam structure and blank therefor

Country Status (17)

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EP (1) EP1363842B1 (en)
JP (1) JP4153306B2 (en)
AT (1) ATE283211T1 (en)
AU (1) AU2002245690B2 (en)
BR (1) BR0207813A (en)
CA (1) CA2439936A1 (en)
DE (1) DE60202050T2 (en)
DK (1) DK1363842T3 (en)
ES (1) ES2233801T3 (en)
GB (1) GB0105223D0 (en)
IL (2) IL157682A0 (en)
MX (1) MXPA03007831A (en)
NO (1) NO20033863L (en)
PL (1) PL200652B1 (en)
PT (1) PT1363842E (en)
RU (2) RU2280000C2 (en)
WO (1) WO2002070366A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL309255A (en) 2021-07-12 2024-02-01 Zidkiyahu Simenhaus Protein containing bio-active compositions comprising cellulose microparticle carriers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3861530A (en) * 1973-09-14 1975-01-21 Mead Corp Article carrier
FR2423399A2 (en) * 1978-04-18 1979-11-16 Mead Corp Collared item packing system - inserts lower level after bending flat sheet then folds over upper level
GB9702046D0 (en) * 1997-01-31 1997-03-19 Mead Corp Beam structure for article carrier
FR2781204B1 (en) 1998-07-16 2000-10-06 Goossens Beauvais SHEATH TYPE PACKAGING, ELONGATED BLANK FOR THE MANUFACTURE OF SUCH PACKAGING AND FORMAL ASSEMBLY OF SUCH PACKAGING WRAPPING OBJECTS
GB9916690D0 (en) * 1999-07-16 1999-09-15 Mead Corp Beam structure for an article carrier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02070366A1 *

Also Published As

Publication number Publication date
RU2006111558A (en) 2007-10-20
RU2391277C2 (en) 2010-06-10
GB0105223D0 (en) 2001-04-18
PL362655A1 (en) 2004-11-02
ATE283211T1 (en) 2004-12-15
EP1363842B1 (en) 2004-11-24
JP4153306B2 (en) 2008-09-24
IL157682A (en) 2008-03-20
NO20033863D0 (en) 2003-09-01
AU2002245690B2 (en) 2007-11-22
DE60202050D1 (en) 2004-12-30
IL157682A0 (en) 2004-03-28
RU2280000C2 (en) 2006-07-20
PL200652B1 (en) 2009-01-30
NO20033863L (en) 2003-10-13
MXPA03007831A (en) 2004-11-12
DE60202050T2 (en) 2005-12-01
WO2002070366A1 (en) 2002-09-12
CA2439936A1 (en) 2002-09-12
ES2233801T3 (en) 2005-06-16
BR0207813A (en) 2004-10-19
JP2004529826A (en) 2004-09-30
PT1363842E (en) 2005-04-29
DK1363842T3 (en) 2005-03-14

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