EP1737746A1 - Carton and two-part carton blank - Google Patents

Carton and two-part carton blank

Info

Publication number
EP1737746A1
EP1737746A1 EP05738393A EP05738393A EP1737746A1 EP 1737746 A1 EP1737746 A1 EP 1737746A1 EP 05738393 A EP05738393 A EP 05738393A EP 05738393 A EP05738393 A EP 05738393A EP 1737746 A1 EP1737746 A1 EP 1737746A1
Authority
EP
European Patent Office
Prior art keywords
carton
articles
side walls
blank
top panel
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
EP05738393A
Other languages
German (de)
French (fr)
Other versions
EP1737746B1 (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
Priority to PL05738393T priority Critical patent/PL1737746T3/en
Publication of EP1737746A1 publication Critical patent/EP1737746A1/en
Application granted granted Critical
Publication of EP1737746B1 publication Critical patent/EP1737746B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65D71/38—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 and interconnecting two or more blanks
    • 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
    • B65D2571/0029—Openings in top or bottom 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
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00438—Holes
    • B65D2571/0045—Holes for hands
    • 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
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00518—Handles or suspending means with reinforcements
    • B65D2571/00524—Handles or suspending means with reinforcements integral
    • 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
    • B65D2571/00666—Blanks formed from two or more sheets
    • 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
    • B65D2571/0079—U-shaped

Definitions

  • the present invention relates to a carton for containing a plurality of similar articles, such as bottles and a means for retaining the bottles within the carton and in particular to a means of accessing the articles.
  • Cartons for encasing multiple articles are useful for enabling consumers to obtain and transport a desired quantity of individual articles such as soft drinks or other beverages.
  • Such cartons need to be strong enough to support multiple articles, especially if the articles are bottles. It is also desirable for such cartons to be easy to handle and be portable.
  • the articles contained within the carton it is often desirable for the articles contained within the carton to be displayed and also for the carton to have large areas which can be printed with advertising graphics. It is also often desirable for the articles to be easily accessible and it is also preferable for the articles to be secured in place within the carton, especially if the articles are fragile, for example glass bottles. It is however undesirable for articles to be accessed too easily, for example, before being purchased.
  • the present invention seeks to provide a means for displaying the articles or a portion of the articles in combination with an access means for removal of the articles where the access means leaves the carton with sufficient integrity for replacement of articles for the purpose of returning to a recycling point.
  • a carton for containing a group of similar articles, such as bottles comprising a top panel, bottom panel, opposing side and end walls, wherein the carton is constructed by combining opposing complementary U- shaped structures, one of the U-shaped structures comprising a bottom panel and opposing end walls and the other of the U-shaped structures comprising a top panel and opposing side walls.
  • the top panel is at an elevation below that of an upper extremity of the end wall and/or opposing side wall.
  • one of the U-shaped structures comprises flaps which provide support to the side walls of the carton and additionally a surface to which the side walls can be secured.
  • the top panel comprises apertures for receiving the articles or a portion thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles.
  • the carton may further comprise at least one reinforced handle aperture being struck from one of said opposing walls.
  • the carton Preferably upon removal of the articles, the carton retains sufficient structural integrity such that it can be re-used for returning empty articles.
  • a two part blank comprising a first part comprising a bottom panel and opposing end walls and a second part comprising a top panel and opposing side walls to form opposing complementary U-shaped structures when the carton is in a setup condition.
  • the first part of the blank comprises flaps which provide support to the side walls of the carton and additionally a surface to which the side walls can be secured.
  • the top panel is at an elevation below that of an upper extremity of the end wall panels.
  • the top panel comprises apertures for receiving the articles or a portion thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles.
  • a unitary blank for forming a carton comprising opposed side and end walls and top and bottom panels, wherein a plane of the top panel in a setup carton is lower than an upper edge of the opposed end walls and wherein there further comprises handle apertures struck from said end walls.
  • Figure 1 A illustrates a first part of a blank for forming a crate style carton according to a first embodiment of the invention
  • Figure IB illustrates a second part of a blank for forming a crate style carton according to a first embodiment of the invention
  • Figure IC shows a first step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
  • Figure ID shows a second step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
  • Figure IE shows a third step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
  • Figure IF shows the crate style carton formed from form the blanks of Figs. 1 A and IB;
  • Figure 2A illustrates a first part of a blank for forming a crate style carton according to a second embodiment of the invention;
  • Figure 2B illustrates a second part of a blank for forming a crate style carton according to a second embodiment of the invention
  • Figure 2C illustrates a step in the process to erect a crate style carton from the blanks of Figs. 2A and 2B;
  • Figure 2D shows the crate style carton formed from form the blanks of Figs. 2 A and 2B
  • FIG. 1 A -IF A first embodiment of the present invention is shown in Figs. 1 A -IF.
  • Figs. 1 A and IB show a first and a second part respectively, of a two-part blank for forming a crate style carton 30, made from paperboard or similar foldable sheet material.
  • two blanks 10 and 20, of Figs. 1A & IB are formed into a tray and a cover respectively. Together the tray and cover form a crate style carton 30 which is shown in Fig. IF.
  • the invention is designed to receive similar articles, such as bottles, but it is envisaged that the present invention could be used to contain other articles, without departing from the scope of the invention.
  • the tray blank 10 comprises a first end wall 16, a bottom panel 24 and a second end wall 18, hingedly connected, one to the next in series, along fold lines 44 and 48 respectively.
  • Handle apertures 54 are struck from the first and second end walls 16, 18 and finger gripping tabs 58 protrude inward from the upper edges of the handle apertures 54.
  • the finger gripping tabs enable the erected crate style carton 30 to be easily grasped and lifted by the handle apertures 54.
  • the tray blank 10 further comprises corner flaps 66a/66b and 68a/68b hingedly connected to the first and second end walls 16 and 18 respectively.
  • the corner flaps 66a/66b and 68a/68b provide additional protection to some of the bottles contained within the carton.
  • a greater of lesser number of corner flaps could be used in order to provide a crate style carton with a specific shape, to accommodate the different types of articles which may be contained within a crate style carton.
  • corner flaps 66a/66b and 68a/68b are hingedly connected to side flaps 76a/76b and 78a/78b along fold lines 86a/86b and 88a/88b respectively, as shown in Fig. 1A
  • the side flaps 76a/76b and 78a/78b provide a means for securing the tray formed from blank 10 to the cover formed from blank 20 in erecting the crate style carton 30.
  • the tray blank 10 further comprises bottom end flaps 74a and 74b hingedly connected to the bottom panel 24, along fold lines 64a and 64b.
  • the bottom end flaps 74a, 74b provide an additional means for securing the tray and cover together.
  • the tray blank 10 also comprises inner handle panels 26 foldably connected to the first and second end walls 16, 18 about fold lines 40 and 42.
  • the inner handle panels 26 comprise finger gripping tabs 58 and are shaped such that upon folding the inner handle panels 26, 180° about the fold lines 40 and 42, a 2 ply reinforced handle structure is created.
  • the inner handle panels 26 are additionally provided with glue flaps 70a/70b and 72a/72b, which can be secured to the inside faces of the corner panels 66a/66b and 68a/68b respectively. In this way some additional protection of the articles held within the corners of the crate style carton 30 may be provided.
  • the glue flaps 70a/70b and 72a/72b may not be required, or may in fact be secured to the inside faces of the side flaps 76a/76b and 78a/78b respectively.
  • a second blank, cover blank 20 is shown in Figure IB.
  • the cover blank 20 is used to form a cover for the tray formed from the blank 10 of Figure 1 A.
  • Blank 20 comprises a top panel 22 which is hingedly attached to first and second side walls 12, 14 along fold lines 34a, 34b.
  • the first and second side walls 12, 14 comprise fold lines 32a and 32b.
  • a series of apertures 56 are struck from the top panel 22 and are structured to receive an upper portion of the articles which are to be contained within the crate style carton 30.
  • the crate style carton 30 is suitable for containing bottles and the apertures 56 are designed to receive the necks of the bottles.
  • the apertures 56 are circular and further comprise tabs protruding toward the centre of each of the apertures 56.
  • the protruding tabs may help to provide a close fit of the bottle necks within the apertures 56. This may help prevent the bottles from being subject to damage, which can occur if bottles knock against each other.
  • the apertures 56 may not be circular and may or may not contain additional tabs.
  • the top panel 22 further comprises a series of weakened lines or nicks 37 which connect each aperture 56 to at least one other aperture 56.
  • the nicks 37 extend between the apertures 56 in lines perpendicular to the first and second side walls 12, 14.
  • the configurations of the nicks 37 may differ from that described, for example, the nicks 37 may not fully extend to neighbouring apertures 56, they may intersect each other or the nicks 37 may extend to the edges of the top panel 22.
  • the top panel 22 further comprises a series of glue flaps 36a/36b and 38a/38b, which are used to secure the top panel 22 to the tray of blank 10.
  • a series of sequential folding and gluing operations are required. Preferably these can be performed in a straight line machine, so that the blanks 10, 20 are not required to be rotated or inverted to complete the construction.
  • the folding process is not limited to that described below and can be altered according to particular manufacturing requirements.
  • the first stage is to secure the inner handle panels 26 to the inside faces of the end wall panels 16, 18 and secure the glue flaps 70a/70b and 72a/72b to the inside faces of the corner panels 66a/66b and 68a/68b.
  • the end wall panels 16, 18 are then folded about fold lines 44 and 48, out of the plane of the bottom panel 24 to produce a tray.
  • the tray is then loaded with bottles, as shown in Fig. IC and the corner panels 66a/66b and 68a/68b and side flaps 76a/76b and 78a/78b are folded about fold lines 96a/96b, 98a/98b, 86a/86b and 88a/88b.
  • the bottom end flaps 74a, 74b are also folded inward of the tray.
  • the cover blank 20 is folded about fold lines 34a, 34b, 32a and 32b, as shown in Fig. ID.
  • the side walls 12, 14 are folded 90° about fold lines 34a and 34b, out of the plane of top panel 22.
  • the second side walls 12, 14 are then folded about fold lines 32a and 32b to bring bottom portions of the first and second side walls 12, 14 back into the plane of the top panel 22 as shown in Fig. ID.
  • Cover blank 20 is then brought into registry with the bottles which have been loaded into the tray.
  • Top portions of the first and second side walls are placed in flat face contact with the inner faces of the side flaps 76a/76b and 78a/78b respectively, and may be secured together by adhesive of other means known in the art.
  • the bottom portions of the first and second side walls 12, 14 are further folded about fold lines 32a and 32b so that the bottom portions of the first and second side walls are in flat face contact with upper portions of the first and second side walls 12, 14 and the outer faces of the side flaps 76a/76b and 78a/78b respectively. In this way the fold lines 32a and 32b form upper edges of the side walls of the crate style carton 30.
  • glue or other means maybe used to secure the bottom portions of the first and second side walls 12, 14 to the outer faces of the side flaps 76a/76b and 78a/78b and the outer faces of the bottom end flaps 74a and 74b, as shown in Fig. IE.
  • first and second side walls 12, 14 could further be provided with handle apertures 54 struck from the first and second side walls 12, 14. This could provide 2-ply handle structures in each wall of the erected crate style carton 30, in other embodiments, without departing from the scope of the present invention.
  • the crate style carton formed from the blanks 10 and 20 is shown in Figure IF. It can be seen that the bottles are secured within the carton, once the cover made from blank 20 has been secured inside the tray, erected from blank 10. Access to the bottles is gained by separating the nicks 37, this may be achieved by lifting a bottle from the crate style carton 30 or in other embodiments it is envisaged that an initiating means may be provided to assist in the separation of the nicks 37.
  • nicks 37 allow each bottle can be accessed individually, whilst the structural integrity of the carton is maintained. Bottles not accessed are held in position by the apertures 56 in the cover. Therefore the carton provides an adaptable carrying container, the structural integrity of which is not destroyed when the bottles are accessed. This enables the carton to be reused for the convenient returning of the empty bottles.
  • FIGs. 2 A - 2D illustrate a second embodiment of the present invention, which will now be described by way of example only. This is to illustrate some of the changes that can be made, without departing from the scope of the present invention.
  • similar reference numerals have been used to denote like features, the reference numerals in the second embodiment of the invention are increased by '200' to show that they represent features of the second embodiment. Since the second embodiment has features common to the first embodiment, only differences in the second embodiment will be highlighted.
  • first and second side walls 12, 14 are not provided with fold lines and can be sized such that when the cover from blank 220 is inserted into the tray formed from blank 210, the position of the top wall panel 222 is adjustable.
  • the side flaps 276a/276b and 278a/278b are also sized to allow the top panel 222 to have an adjustable elevation once the tray and cover have been formed into the crate style carton 230.
  • the crate style carton 230 is erected by carrying out a similar arrangement of folding and gluing operations as previously described however the operation of folding the first and second side walls 12, 14 about fold line 32a and 32b, is not required in this embodiment.
  • the second embodiment can be considered as a special case of the first embodiment wherein the fold lines 232a, 232b are positioned along the fold lines 234a/234b.
  • An intermediate step in the erection process is shown in Fig 2C.
  • the present invention is designed such that a crate style carton can be formed from two blanks wherein the elevation of the top panel 22, 222 is adjustable by altering the depth of the bottom portion of the first and second side walls 12, 212, 14 and 214.
  • the depth of the bottom portion of the first and second side walls 12, 212, 14 and 214 is defined by the position of the fold lines 32a, 32b, 232a and 232b and the size of the first and second side walls 12, 212, 14 and 214.
  • the present invention also allows the height of the upper edge of the first and second side walls 12, 212, 14 and 214 to be adjustable relative to the height of the end walls 16, 18, 216 and 218.
  • the upper edge of the first and second side walls 12, 212, 14 and 214 is can also be considered as being defined by the position of the fold lines 32a, 32b, 232a and 232b.
  • the apertures formed within the top panel may not be circular and may also be provided with additional tabs protruding into the aperture, to aid retention of the bottle necks or other articles contained within the carton.
  • 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 the following, a score line, a frangible line or a fold line without departing from the scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Packaging Frangible Articles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A carton for containing a group of bottles is constructed by combining a pair of complementary U-shaped structures ( 10, 20 ). One ( 10 ) of the U-shaped structures comprises a bottom panel ( 24 ) and opposing end walls ( 16, 18 ). The other ( 20 ) of the U-shaped structures comprises a top panel ( 22 ) and opposing side walls ( 12, 14 ).

Description

CARTON AND TWO-PART CARTON BLANK
Background of the Invention
The present invention relates to a carton for containing a plurality of similar articles, such as bottles and a means for retaining the bottles within the carton and in particular to a means of accessing the articles.
Cartons for encasing multiple articles are useful for enabling consumers to obtain and transport a desired quantity of individual articles such as soft drinks or other beverages. Such cartons need to be strong enough to support multiple articles, especially if the articles are bottles. It is also desirable for such cartons to be easy to handle and be portable.
It is often desirable for the articles contained within the carton to be displayed and also for the carton to have large areas which can be printed with advertising graphics. It is also often desirable for the articles to be easily accessible and it is also preferable for the articles to be secured in place within the carton, especially if the articles are fragile, for example glass bottles. It is however undesirable for articles to be accessed too easily, for example, before being purchased.
It is also desirable to have a carton which after the contents of the articles have been consumed can be used to return the empty articles to a recycling point.
The present invention seeks to provide a means for displaying the articles or a portion of the articles in combination with an access means for removal of the articles where the access means leaves the carton with sufficient integrity for replacement of articles for the purpose of returning to a recycling point.
Summary of the Invention
According to a first aspect of the invention, a carton for containing a group of similar articles, such as bottles, the carton comprising a top panel, bottom panel, opposing side and end walls, wherein the carton is constructed by combining opposing complementary U- shaped structures, one of the U-shaped structures comprising a bottom panel and opposing end walls and the other of the U-shaped structures comprising a top panel and opposing side walls.
Preferably the top panel is at an elevation below that of an upper extremity of the end wall and/or opposing side wall.
Additionally one of the U-shaped structures comprises flaps which provide support to the side walls of the carton and additionally a surface to which the side walls can be secured.
Preferably the top panel comprises apertures for receiving the articles or a portion thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles. The carton may further comprise at least one reinforced handle aperture being struck from one of said opposing walls.
Preferably upon removal of the articles, the carton retains sufficient structural integrity such that it can be re-used for returning empty articles.
According to a second aspect of the invention, a two part blank comprising a first part comprising a bottom panel and opposing end walls and a second part comprising a top panel and opposing side walls to form opposing complementary U-shaped structures when the carton is in a setup condition.
Preferably the first part of the blank comprises flaps which provide support to the side walls of the carton and additionally a surface to which the side walls can be secured.
Preferably the top panel is at an elevation below that of an upper extremity of the end wall panels. Additionally the top panel comprises apertures for receiving the articles or a portion thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles. According to a third aspect of the invention, a unitary blank for forming a carton comprising opposed side and end walls and top and bottom panels, wherein a plane of the top panel in a setup carton is lower than an upper edge of the opposed end walls and wherein there further comprises handle apertures struck from said end walls. 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 A illustrates a first part of a blank for forming a crate style carton according to a first embodiment of the invention;
Figure IB illustrates a second part of a blank for forming a crate style carton according to a first embodiment of the invention;
Figure IC shows a first step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
Figure ID shows a second step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
Figure IE shows a third step in the process for erecting the crate style carton formed from the blanks of Figs. 1 A and IB;
Figure IF shows the crate style carton formed from form the blanks of Figs. 1 A and IB; Figure 2A illustrates a first part of a blank for forming a crate style carton according to a second embodiment of the invention;
Figure 2B illustrates a second part of a blank for forming a crate style carton according to a second embodiment of the invention;
Figure 2C illustrates a step in the process to erect a crate style carton from the blanks of Figs. 2A and 2B;
Figure 2D shows the crate style carton formed from form the blanks of Figs. 2 A and 2B
Detailed Description of the Preferred Embodiments
A first embodiment of the present invention is shown in Figs. 1 A -IF. Figs. 1 A and IB, show a first and a second part respectively, of a two-part blank for forming a crate style carton 30, made from paperboard or similar foldable sheet material. In the first embodiment of the invention two blanks 10 and 20, of Figs. 1A & IB are formed into a tray and a cover respectively. Together the tray and cover form a crate style carton 30 which is shown in Fig. IF. The invention is designed to receive similar articles, such as bottles, but it is envisaged that the present invention could be used to contain other articles, without departing from the scope of the invention.
Turning to Figure 1 A, the tray blank 10 comprises a first end wall 16, a bottom panel 24 and a second end wall 18, hingedly connected, one to the next in series, along fold lines 44 and 48 respectively. Handle apertures 54 are struck from the first and second end walls 16, 18 and finger gripping tabs 58 protrude inward from the upper edges of the handle apertures 54. The finger gripping tabs enable the erected crate style carton 30 to be easily grasped and lifted by the handle apertures 54.
The tray blank 10 further comprises corner flaps 66a/66b and 68a/68b hingedly connected to the first and second end walls 16 and 18 respectively. In this embodiment of the invention the corner flaps 66a/66b and 68a/68b provide additional protection to some of the bottles contained within the carton. In other embodiments of the invention it is envisaged that a greater of lesser number of corner flaps could be used in order to provide a crate style carton with a specific shape, to accommodate the different types of articles which may be contained within a crate style carton.
In this embodiment of the invention the corner flaps 66a/66b and 68a/68b are hingedly connected to side flaps 76a/76b and 78a/78b along fold lines 86a/86b and 88a/88b respectively, as shown in Fig. 1A The side flaps 76a/76b and 78a/78b provide a means for securing the tray formed from blank 10 to the cover formed from blank 20 in erecting the crate style carton 30.
In this embodiment of the invention, the tray blank 10 further comprises bottom end flaps 74a and 74b hingedly connected to the bottom panel 24, along fold lines 64a and 64b. The bottom end flaps 74a, 74b provide an additional means for securing the tray and cover together.
The tray blank 10 also comprises inner handle panels 26 foldably connected to the first and second end walls 16, 18 about fold lines 40 and 42. The inner handle panels 26 comprise finger gripping tabs 58 and are shaped such that upon folding the inner handle panels 26, 180° about the fold lines 40 and 42, a 2 ply reinforced handle structure is created.
In this embodiment of the invention the inner handle panels 26 are additionally provided with glue flaps 70a/70b and 72a/72b, which can be secured to the inside faces of the corner panels 66a/66b and 68a/68b respectively. In this way some additional protection of the articles held within the corners of the crate style carton 30 may be provided. In other embodiments of the invention it is envisaged that the glue flaps 70a/70b and 72a/72b may not be required, or may in fact be secured to the inside faces of the side flaps 76a/76b and 78a/78b respectively.
A second blank, cover blank 20 is shown in Figure IB. The cover blank 20 is used to form a cover for the tray formed from the blank 10 of Figure 1 A. Blank 20 comprises a top panel 22 which is hingedly attached to first and second side walls 12, 14 along fold lines 34a, 34b. The first and second side walls 12, 14 comprise fold lines 32a and 32b. A series of apertures 56 are struck from the top panel 22 and are structured to receive an upper portion of the articles which are to be contained within the crate style carton 30. In this embodiment of the invention the crate style carton 30 is suitable for containing bottles and the apertures 56 are designed to receive the necks of the bottles. In this embodiment the apertures 56 are circular and further comprise tabs protruding toward the centre of each of the apertures 56. The protruding tabs may help to provide a close fit of the bottle necks within the apertures 56. This may help prevent the bottles from being subject to damage, which can occur if bottles knock against each other. In other embodiments of the invention the apertures 56 may not be circular and may or may not contain additional tabs.
The top panel 22 further comprises a series of weakened lines or nicks 37 which connect each aperture 56 to at least one other aperture 56. In the first embodiment the nicks 37 extend between the apertures 56 in lines perpendicular to the first and second side walls 12, 14. In other embodiments of the invention it is envisaged that the configurations of the nicks 37 may differ from that described, for example, the nicks 37 may not fully extend to neighbouring apertures 56, they may intersect each other or the nicks 37 may extend to the edges of the top panel 22. The top panel 22 further comprises a series of glue flaps 36a/36b and 38a/38b, which are used to secure the top panel 22 to the tray of blank 10.
Turning to the construction of the crate style carton 30 from the tray blank 10 and cover blank 20, a series of sequential folding and gluing operations are required. Preferably these can be performed in a straight line machine, so that the blanks 10, 20 are not required to be rotated or inverted to complete the construction. The folding process is not limited to that described below and can be altered according to particular manufacturing requirements.
The first stage is to secure the inner handle panels 26 to the inside faces of the end wall panels 16, 18 and secure the glue flaps 70a/70b and 72a/72b to the inside faces of the corner panels 66a/66b and 68a/68b. The end wall panels 16, 18 are then folded about fold lines 44 and 48, out of the plane of the bottom panel 24 to produce a tray. The tray is then loaded with bottles, as shown in Fig. IC and the corner panels 66a/66b and 68a/68b and side flaps 76a/76b and 78a/78b are folded about fold lines 96a/96b, 98a/98b, 86a/86b and 88a/88b. The bottom end flaps 74a, 74b are also folded inward of the tray.
In preparation of the final folding and gluing operations to complete the erection of the crate style carton 30, the cover blank 20 is folded about fold lines 34a, 34b, 32a and 32b, as shown in Fig. ID. The side walls 12, 14 are folded 90° about fold lines 34a and 34b, out of the plane of top panel 22. The second side walls 12, 14 are then folded about fold lines 32a and 32b to bring bottom portions of the first and second side walls 12, 14 back into the plane of the top panel 22 as shown in Fig. ID.
Cover blank 20 is then brought into registry with the bottles which have been loaded into the tray. Top portions of the first and second side walls are placed in flat face contact with the inner faces of the side flaps 76a/76b and 78a/78b respectively, and may be secured together by adhesive of other means known in the art. The bottom portions of the first and second side walls 12, 14 are further folded about fold lines 32a and 32b so that the bottom portions of the first and second side walls are in flat face contact with upper portions of the first and second side walls 12, 14 and the outer faces of the side flaps 76a/76b and 78a/78b respectively. In this way the fold lines 32a and 32b form upper edges of the side walls of the crate style carton 30. Again glue or other means maybe used to secure the bottom portions of the first and second side walls 12, 14 to the outer faces of the side flaps 76a/76b and 78a/78b and the outer faces of the bottom end flaps 74a and 74b, as shown in Fig. IE.
In this way a two-ply upper portion of the side walls of the crate style carton is formed. In other embodiments of the invention it is envisaged that the first and second side walls 12, 14 could further be provided with handle apertures 54 struck from the first and second side walls 12, 14. This could provide 2-ply handle structures in each wall of the erected crate style carton 30, in other embodiments, without departing from the scope of the present invention.
The crate style carton formed from the blanks 10 and 20 is shown in Figure IF. It can be seen that the bottles are secured within the carton, once the cover made from blank 20 has been secured inside the tray, erected from blank 10. Access to the bottles is gained by separating the nicks 37, this may be achieved by lifting a bottle from the crate style carton 30 or in other embodiments it is envisaged that an initiating means may be provided to assist in the separation of the nicks 37.
The use of the nicks 37 allows each bottle can be accessed individually, whilst the structural integrity of the carton is maintained. Bottles not accessed are held in position by the apertures 56 in the cover. Therefore the carton provides an adaptable carrying container, the structural integrity of which is not destroyed when the bottles are accessed. This enables the carton to be reused for the convenient returning of the empty bottles.
It can be appreciated that various changes may be made within the scope of the present invention, for example, the size and shape of the panels and apertures may be adjusted to accommodate articles of differing size or shape.
Figs. 2 A - 2D illustrate a second embodiment of the present invention, which will now be described by way of example only. This is to illustrate some of the changes that can be made, without departing from the scope of the present invention. In subsequent figures similar reference numerals have been used to denote like features, the reference numerals in the second embodiment of the invention are increased by '200' to show that they represent features of the second embodiment. Since the second embodiment has features common to the first embodiment, only differences in the second embodiment will be highlighted.
In the second embodiment of the present invention the first and second side walls 12, 14 are not provided with fold lines and can be sized such that when the cover from blank 220 is inserted into the tray formed from blank 210, the position of the top wall panel 222 is adjustable. To accommodate this feature the side flaps 276a/276b and 278a/278b are also sized to allow the top panel 222 to have an adjustable elevation once the tray and cover have been formed into the crate style carton 230.
The crate style carton 230 is erected by carrying out a similar arrangement of folding and gluing operations as previously described however the operation of folding the first and second side walls 12, 14 about fold line 32a and 32b, is not required in this embodiment. The second embodiment can be considered as a special case of the first embodiment wherein the fold lines 232a, 232b are positioned along the fold lines 234a/234b. An intermediate step in the erection process is shown in Fig 2C.
The present invention is designed such that a crate style carton can be formed from two blanks wherein the elevation of the top panel 22, 222 is adjustable by altering the depth of the bottom portion of the first and second side walls 12, 212, 14 and 214. The depth of the bottom portion of the first and second side walls 12, 212, 14 and 214 is defined by the position of the fold lines 32a, 32b, 232a and 232b and the size of the first and second side walls 12, 212, 14 and 214.
The present invention also allows the height of the upper edge of the first and second side walls 12, 212, 14 and 214 to be adjustable relative to the height of the end walls 16, 18, 216 and 218. The upper edge of the first and second side walls 12, 212, 14 and 214 is can also be considered as being defined by the position of the fold lines 32a, 32b, 232a and 232b.
It is envisaged that the features of the various embodiments herein described could be altered without departing from the scope of the present invention. For example in other embodiments of the invention the apertures formed within the top panel may not be circular and may also be provided with additional tabs protruding into the aperture, to aid retention of the bottle necks or other articles contained within the carton.
It will be recognised that as used herein, directional references such as "top", "bottom", "front", "back", "end", "side", "inner", "outer", "upper" and "lower" do not limit the respective panels to such orientation, but merely serve to distinguish these panels from one another. Any reference to 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 the following, a score line, a frangible line or a fold line without departing from the scope of the invention.

Claims

Claims
1. A carton for containing a group of similar articles, such as bottles, the carton comprising a top panel, bottom panel, opposing side walls and opposing end walls, wherein the carton is constructed by combining a pair of opposing complementary U-shaped structures, one of the U-shaped structures comprising a bottom panel and opposing end walls and the other of the U-shaped structures comprising a top panel and opposing side walls.
2. A carton according to claim 1 wherein the top panel is disposed at an elevation below an upper extremity of either end wall of the carton and/or of either side wall of the carton.
3. A carton according to any one of the preceding claims wherein the one U-shaped structure comprises flaps which provide support to the side walls of the other U-shaped structure and additionally a surface to which the side walls of the other U-shaped structure can be secured.
4. A carton according to any one of the preceding claims wherein the top panel of the carton comprises apertures for receiving the articles or portions thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles.
5. A carton according to any one of the preceding claims, further comprising at least one reinforced handle aperture being struck from one of said sine and end walls of the carton.
6. A carton according to claim 4 wherein the frangible connection is arranged such that upon removal of the articles, the carton retains sufficient structural integrity to be reused for returning empty articles.
7. A two part blank for forming a carton for containing a group of similar articles, such as bottles, the blank comprising first and second parts, the first part comprising a bottom panel and opposing end walls to form a first U-shaped structure, the second part comprising a top panel and opposing side walls to form a second U-shaped structure that is complementary to the first U-shaped structure, the first and second U-shaped structures are disposed in an opposed relationship when the carton is in a setup condition.
8. A blank according to claim 7 wherein the first part comprises flaps for providing support to the side walls of the second part and additionally a surface to which the side walls of the second part can be secured.
9. A blank according to claim 7 or 8 wherein the top panel of the second part is at an elevation below an upper extremity of the end walls of the first part when the carton is in a set-up condition.
10. A blank according to any one of claims 7 to 9 wherein the top panel of the second part comprises apertures for receiving the articles or portions thereof, wherein each aperture has a frangible connection with at least one other aperture to facilitate removal of the articles.
11. A blank to form a carton according to any one of claims 1 to 6.
12. A carton comprising opposed side walls, opposed end walls and top and bottom panels, wherein a plane of the top panel is lower than an upper edge of either end wall and wherein the carton further comprises handle apertures struck from said end walls.
EP05738393A 2004-04-08 2005-04-08 Carton and two-part carton blank Not-in-force EP1737746B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05738393T PL1737746T3 (en) 2004-04-08 2005-04-08 Carton and two-part carton blank

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0408054.5A GB0408054D0 (en) 2004-04-08 2004-04-08 Carton and two-part blank
PCT/US2005/012198 WO2005100193A1 (en) 2004-04-08 2005-04-08 Carton and two-part carton blank

Publications (2)

Publication Number Publication Date
EP1737746A1 true EP1737746A1 (en) 2007-01-03
EP1737746B1 EP1737746B1 (en) 2009-11-11

Family

ID=32320624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05738393A Not-in-force EP1737746B1 (en) 2004-04-08 2005-04-08 Carton and two-part carton blank

Country Status (12)

Country Link
US (1) US20080257942A1 (en)
EP (1) EP1737746B1 (en)
JP (1) JP2008505809A (en)
CN (1) CN101341078A (en)
AT (1) ATE448155T1 (en)
CA (1) CA2563280A1 (en)
DE (1) DE602005017601D1 (en)
ES (1) ES2337801T3 (en)
GB (1) GB0408054D0 (en)
MX (1) MXPA06011632A (en)
PL (1) PL1737746T3 (en)
WO (1) WO2005100193A1 (en)

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US9840358B2 (en) 2013-03-14 2017-12-12 Graphic Packaging International, Inc. Carton with article protection feature
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US20140263591A1 (en) 2013-03-14 2014-09-18 Standard Knapp Inc. Reclosable packing case and method of making same
US9701436B2 (en) 2013-04-10 2017-07-11 Graphic Packaging International, Inc. Carton with article protection feature
WO2014169013A1 (en) 2013-04-10 2014-10-16 Graphic Packaging International, Inc. Carton with article protection feature
WO2015105833A1 (en) 2014-01-07 2015-07-16 Graphic Packaging International, Inc. Carrier for containers
US9676535B2 (en) * 2014-05-07 2017-06-13 Graphic Packaging International, Inc. Carrier for containers
BR112017007559B1 (en) * 2014-10-27 2022-05-17 Graphic Packaging International, Llc Package for holding a plurality of containers, blanket for forming a package for holding a plurality of containers, and method for forming the package
US20170259947A1 (en) * 2016-03-08 2017-09-14 Alain Cerf Forming a Box Using a C-Case
US10843841B2 (en) * 2016-12-27 2020-11-24 Broadway Holdings Iv, Llc Device for moving and storing potted plants and other objects having a base
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Also Published As

Publication number Publication date
GB0408054D0 (en) 2004-05-12
MXPA06011632A (en) 2007-01-23
JP2008505809A (en) 2008-02-28
WO2005100193A1 (en) 2005-10-27
EP1737746B1 (en) 2009-11-11
CA2563280A1 (en) 2005-10-27
DE602005017601D1 (en) 2009-12-24
ES2337801T3 (en) 2010-04-29
PL1737746T3 (en) 2010-04-30
ATE448155T1 (en) 2009-11-15
US20080257942A1 (en) 2008-10-23
CN101341078A (en) 2009-01-07

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