EP1235717B1 - Carton et ebauche - Google Patents

Carton et ebauche Download PDF

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Publication number
EP1235717B1
EP1235717B1 EP00932271A EP00932271A EP1235717B1 EP 1235717 B1 EP1235717 B1 EP 1235717B1 EP 00932271 A EP00932271 A EP 00932271A EP 00932271 A EP00932271 A EP 00932271A EP 1235717 B1 EP1235717 B1 EP 1235717B1
Authority
EP
European Patent Office
Prior art keywords
panel
side wall
wall panel
adjacent
panels
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.)
Expired - Lifetime
Application number
EP00932271A
Other languages
German (de)
English (en)
Other versions
EP1235717A2 (fr
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.)
Lebras Philippe
WestRock Packaging Systems LLC
Original Assignee
Lebras Philippe
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 Lebras Philippe, Meadwestvaco Packaging Systems LLC filed Critical Lebras Philippe
Publication of EP1235717A2 publication Critical patent/EP1235717A2/fr
Application granted granted Critical
Publication of EP1235717B1 publication Critical patent/EP1235717B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2004—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the container body having hollow side-walls
    • B65D5/2009—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the container body having hollow side-walls all formed by folding extensions of the side 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
    • B65D5/2047—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape trapezoidal, e.g. to form a body with diverging side 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/445—Reinforcements formed separately from the container

Definitions

  • the present invention relates to a carton (or tray) for accommodating foodstuff, for example fish or meat, and more particularly, to a carton formed from one or more blanks of paperboard or other suitable foldable sheet material.
  • Tray structures formed from board generally lack strength when compared to trays formed from plastics material, so more commonly trays are formed from polystyrene or other plastics material.
  • a further fluid tight tray is disclosed in US 5 183 201.
  • the tray comprises a single base panel with side and end panels hingedly connected thereto.
  • the side wall panels are greater in length than the base panel and are connected to the end panels.
  • the present invention in its preferred embodiment seek to overcome or at least mitigate the problems of the prior art.
  • a first aspect of the invention provides a method of forming a tray from a blank the blank having a first side wall panel, an inner base wall panel, a second side wall panel hinged together in series, and opposed inner end wall panels hinged to the inner base wall panel and a single gusset panel spanning each end of each inner end wall panel and its adjacent side wall panel, wherein each gusset panel is foldably connected to the adjacent side and end panels along first and second fold lines respectively, the first and second fold lines converging on the adjacent intersection of side and end edges of the base wall panel, which method completes the construction of the tray by fixing the first and second side wall panels at their folded positions, characterised by pre-folding each gusset panel along the respective first and second fold lines and folding the first and second side wall panels towards each other out of alignment with the inner base wall panel and thereby causing each gusset panel to be folded such that the inner end wall panels are folded towards each other, wherein the angle between the first and second fold lines is less than 45 degrees.
  • each gusset panel is automatically folded inwardly of its adjacent side wall panel into face contacting relationship with the adjacent side wall panel in response to folding of the side wall panels towards each other out of alignment with the inner base wall panel.
  • each gusset panel is automatically folded inwardly of its adjacent end wall panel into face contacting relationship with the adjacent end wall panel in response to said folding of the side wall panels towards each other out of alignment with the inner base wall panel.
  • the blank further comprises a further first side wall panel, a further second side wall panel, an outer base wall panel, and opposed outer end wall panels, the further fi rst and second side wall panels being hinged to the respective first and second side wall panels, the opposed outer end wall panels being hinged to the outer base wall panel so as to form a composite structure when the blank is erected to form a tray.
  • the first side wall panels form a first composite side wall
  • the inner and outer base wall panels form a composite base wall
  • the second side wall panels form a second
  • the first side wall panels form a first composite side wall
  • the inner and outer base wall panels form a composite base wall
  • the second side wall panels form a second composite side wall
  • each inner end wall panel and its adjacent outer end wall panel form a composite end wall.
  • first side wall panels are separated by a first spacer panel
  • second side wall panels are separated by a second spacer panel
  • the blank further comprises a beam support structure formed from each inner end wall panels foldably connected along a third fold line to the lateral margin of the inner base wall panels and its adjacent outer end wall panel foldably connected along a fourth fold line to the outer base wall panel, wherein the third and fourth fold lines are offset such that when erected each inner end wall panel extends upwardly to abut the adjacent outer end wall panel thereby to define the beam.
  • each gusset panel foldably interconnects its adjacent inner end wall panel and its adjacent side wall panel.
  • each gusset panel is triangular in shape and wherein said adjacent end wall panel includes a bevelled edge to which the triangular gusset panel is foldably connected.
  • the angle between the first fold line of each gusset panel and the adjacent side edge of the base wall is greater than 90 degrees, and wherein the angle between the second fold line of each gusset panel and the adjacent end edge of the base wall is greater than 90 degrees.
  • the gusset panel projects outwardly from the adjacent inner end wall panel when the blank is erected into the tray.
  • each gusset panel is covered by its adjacent outer end wall panel and its adjacent outer side wall panel when the blank is erected into the tray.
  • the inner wall panels are provided by a second blank.
  • the blank comprises a first side wall panel, an inner base wall panel, a second side wall panel hinged together in series, and opposed inner end wall panels hinged to the inner base wall panel and wherein there further comprises a single gusset panel spanning each end of each inner end wall panel and its adjacent side wall panel, wherein each gusset panel is foldably connected to the adjacent side and end panels along first and second fold lines respectively, the first and second fold lines converging on the adjacent intersection of side and end edges of the base wall panel, characterised in that the angle between the first and second fold lines is less than 45 degrees and in that each gusset panel is pre-folded along the respective first and second fold lines, and the first and second side wall panels are folded out of alignment with the inner base wall panel thereby causing each gusset panel to be folded such that the inner end wall panels are folded towards each other and the first and second side wall panels are fixed at their folded positions to complete construction of the tray.
  • the blank further comprises a further first side wall panel, a further second side wall panel, an outer base wall panel, and opposed outer end wall panels, the further first and second side wall panels being hingedly connected to the respective first and second side wall panels, the opposed outer end wall panels being hingedly connected to the outer base wall panel so as to form a composite structure when the blank is erected to form a tray.
  • the first side wall panels form a first composite side wall
  • the inner and outer base wall panels form a composite base wall
  • the second side wall panels form a second composite side wall
  • each inner end wall panel and its adjacent outer end wall panel form a composite end wall.
  • first side wall panels are separated by a first spacer panel
  • second side wall panels are separated by a second spacer panel
  • the blank further comprises a beam support structure formed from each inner end wall panels foldably connected along a third fold line to the lateral margin of the inner base wall panels and its adjacent outer end wall panel foldably connected along a fourth fold line to the outer base wall panel, wherein the third and fourth fold lines are offset such that when erected the each inner end wall panel extends upwardly to abut the adjacent outer end wall panel thereby to define the beam.
  • each gusset panel foldably interconnects its adjacent inner end wall panel and its adjacent side wall panel.
  • each gusset panel is triangular in shape and wherein said adjacent side wall panel includes a bevelled edge to which the triangular gusset panel is foldably connected.
  • the angle between the first fold line of each gusset panel and the adjacent side edge of the base wall is greater than 90 degrees, and wherein the angle between the second fold line of each gusset panel and the adjacent end edge of the base wall is greater than 90 degrees.
  • the gusset panel projects outwardly from the adjacent inner end wall panel when the blank is erected into the tray.
  • each gusset panel is covered by its adjacent outer end wall panel and its adjacent outer side wall panel when the blank is erected into the tray.
  • the inner wall panels are provided by a second blank.
  • a blank 10 for forming a collapsible tray or carton made from one or more blanks of paperboard or similar foldably sheet material.
  • the blank 10 comprises first outer base wall flap 12, outer and inner side wall panels 14, 16, inner base wall panel 18, a second pair of inner and outer side wall panels 20, 22 and an outer base wall panel 24 hingably connected together in series along foldlines 26, 28, 30, 32, 34 and 36 respectively.
  • separate blanks may be used to form the two ply structure or indeed a single ply structure incorporating the invention is envisaged.
  • each outer end wall panel 38 may each further comprise a support flap 39, 43 to support the stretch film positioned along outer edges of outer end flaps 34, 36 respectively along fold lines 41 and 45 described below.
  • Suitable securing means for connecting the end and side wall panels is provided.
  • the securing flaps 46, 48 are adjacent the end panels 38, 42 and are separated therefrom by cut lines.
  • a second pair of securing flaps 50, 54 are foldably connected to opposite ends of outer side wall panel 14 along fold lines 52, 56 respectively.
  • a first liquid retaining structure 57 shown in Figure 4 is provided by an end flap 58 foldably connected to base wall panel 18 along fold line 60.
  • the first liquid retaining structure is provided by end flap 58 which is connected to opposing inner side wall panels 16 and 20 respectively by a corner structure.
  • the corner structures are provided by gusset panels 62 and 66.
  • Gusset panel 62 is foldably connected to a side edge of end flap 58 along an extension of fold line 30 (fold line 63) and is foldably connected to inner side wall panel 16 along fold line 64.
  • fold line 64 is configured to converge towards the intersection of fold lines 30 and 60, so that gusset panel 62 is substantially triangular in shape.
  • gusset panel 66 is foldably, connected to the opposing side edge of end flap 58 along an extension of fold line 32 (fold line 67). Gusset panel 66 is connected to inner side wall panel 20 along fold line 68. Fold line 68 may converge towards the intersection of fold lines 60 and 32, so that gusset panel 66 is preferably triangular in shape.
  • the fold lines connecting the end flap 58 to the gusset panels 62, 66 will be offset from the fold lines 30, 32 connecting the side and base wall panels.
  • a second liquid retaining structure 71 which in this embodiment is struck from the opposing end edge of inner base wall panel 18.
  • the second structure is similar to the first structure and is provided by an end flap 70 foldably connected to base wall panel 18 along fold line 72.
  • End flap 70 is also connected to opposing inner side wall panels 16, 20 respectively by gusset panels 74 and 78.
  • Gusset panel 74 is foldably connected to a side edge of end flap 70 along a fold line 31, which is an extension of fold line 30.
  • the gusset panel 74 is foldably connected to inner side wall panel 16 along fold line 76.
  • fold line 76 is configured to converge towards intersection of fold lines 31 and 72 so that gusset panel 74 is substantially triangular in shape.
  • gusset panel 78 is foldably connected to the opposing side edge of end flap 70 along a fold line 33 which is an extension of fold line 32. Gusset panel 78is connected to inner side wall panel 20 along fold line 80. Fold line 80 converges towards the intersection of fold lines 72 and 33 so that gusset panel 78 is preferably a triangular shape.
  • inner side wall panels 16, 20 are greater in length than the inner base wall panel 18 such that the opposite ends of the inner side wall panels projects outwardly beyond the end edges of the inner base wall panel.
  • Each projecting end portions of each inner side wall panel has a bevelled edge to which the adjacent gusset panel is foldably connected. This configuration encourages automatic folding to occur during the tray set up to which a liquid retaining structure is formed, to inhibit egress of fluid from the tray.
  • the angle between the fold lines defining the gussets is less than 45 degrees.
  • gusset panels 62, 66 and 76, 78 provide a fluid retaining structure that can prevent egress of liquid contained in the tray and allow the end panels to be deployed automatically in the sense that it causes the adjacent inner end flap in this embodiment to be erected automatically in response to erection (or folding) of the adjacent inner side wall panel.
  • the angle between the fold lines defining each gusset panel is less than 45 degrees, although it is envisaged that in some embodiments the angle could be greater.
  • the construction of the tray of the first embodiment is described by reference to Figures 2 to 5. It is envisaged that forming the flat collapsed carton, the blank and final construction and loading carton of the present invention can be formed by a series of sequential folding and gluing operations which can be formed in one or more straight line machines, so that the carton is not 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 the particular manufacturing requirements.
  • outer side and base wall panels, 22, 24 are first folded inwardly about fold line 34 and into superposed relationship with respective inner side and base wall panels 20, 18.
  • Outer base wall panel 24 may be secured to inner base wall panel 18 by glue or other securing means known in the art. Commonly, one or more glue lines may be applied to the lower surface of inner base wall panel to provide an adhesive surface.
  • outer side wall panel 14 and outer base flap 12 are folded inwardly about fold line 28 and into face contacting relationship with inner side wall panel 16 and inner base wall panel 18 respectively.
  • Outer base flap 12 is secured inner base wall panel 18 by glue or other suitable means.
  • outer base flap 12 is aligned with outer base wall panel 24, which, in this embodiment, is assisted by the provision of complementary protruding and recessed portions, shown in Figure 2.
  • the carton is in a flat collapsed form as shown in Figures 2 and 3 to be supplied to the user, to be erected into a tray.
  • the end wall flaps 58, 70 and gusset panels 62, 66; 76, 78 of inner base wall panel 18 are not secured to outer base wall panel 24 or respective outer end wall panels 38, 42 and are therefore moveable with respect to those panels.
  • the gusset panels or corner structures are pre-folded to assist in final folding of the side and end walls.
  • the sides and ends are formed by folding side wall panels 14/16; 20/22 inwardly about fold lines 30 and 32 respectively, as shown in Figure 4.
  • folding action "X" to cause the gusset panels 62, 66 and 74, 78 to be folded in an upward and inward direction and into face contacting relationship with the respective inner side wall panels 16, 20 such that the inner end wall flaps 58, 70 are automatically folded inwardly and upwardly into an erected condition, as shown in Figure 4.
  • this reduces construction time of the carton which is an important factor in automated packaging.
  • the inner end wall flaps 58, 70 are positioned in an acute angle with respect to the base wall panel 18 to define part of a support structure referred to below.
  • outer end wall panels 38, 42 are inwardly folded in direction Y along fold lines 40, 44 to abut the inner end wall flaps 58, 70 respectively and are secured in place by securing flaps 46, 50 and 48, 54 thereto to retain the tray in a set up condition, as illustrated in Figure 5.
  • FIG. 6 there is shown a blank 110 for forming a tray shown in Figure 8 which blank is formed from paperboard of similar foldable sheet material.
  • the blank is substantially the same as the first embodiment and like parts are designated by the same reference numeral with the prefix of numeral "1". Therefore, only the differences between the two embodiments will be described in any detail.
  • inner and outer side wall panels 114 and 116 are separated by a spacer panel 115 which is hingedly connected thereto along fold lines 128 and 129 respectively.
  • a second pair of inner and outer side wall panels 120, 122 is also separated by a spacer panel 121 and hingedly connected thereto along fold lines 134 and 135. In use, these panels provide a beam structure along each side wall thereby to improve the rigidity of the tray, as shown in Figures 7 and 8.
  • a further difference relates to the fold lines 164, 168, 176 and 180 connecting the gusset panels 162, 166, 174, 178 to their respective side wall panels 116, 120. It will be seen that these fold lines are still preferably divergent, but that their orientation with respect to the adjacent fold lines 130 and 132 have been altered.
  • This construction advantageously allows the automatic deployment of the inner end wall panels 158 and 170 and the gusset panels 162, 166, 174 and 178 so that the gusset panels 162, 166, 174 and 178 are folded into the voids formed by the side wall beam structures; with the result that the respective end panels 158, 170 can be placed in face contacting relationship with their adjacent gusset panels 164, 168; 174, 178 to provide a corner structure whereby the inner side and end panels abut to provide flush corners as shown in Figure 8.
  • the third embodiment of the invention is illustrated by reference to Figures 9A, 9B, 10A, 10B, 10C and 11 and 12.
  • the third embodiment is substantially the same as first and second embodiments and therefore like parts are designated by the same reference numerals but with the prefix "2". Therefore, only those differences with the first and second embodiments will be described in any greater detail.
  • the third embodiment differs from the second embodiment in that it is formed from a two part blank.
  • this allows those panels forming the inner tray structure to be coated with the suitable waterproof and/or greaseproof agents to enable it to receive foodstuffs. Therefore, the panels forming the outer tray are not required to go through that same process with the consequent cost savings.
  • the formation of the third embodiment differs from the first and second embodiments in that the inner tray blank is applied to the outer tray blank whereby the inner and outer base wall panels 218, 224 are placed in aligned face contacting arrangement and secured each other by glue G or other suitable known means.
  • inner side wall panels 216 and 220 are secured to the inner side wall panels 219 and 217 respectively of the outer blank as shown in Figure 10B.
  • the remaining panels are constructed in a like manner to these embodiments described above, thereby to provide a flat collapsed tray as shown in Figure 10C, which will be supplied to the user.
  • the side walls are constructed by folding in direction X" which causes the inner end wall panels 258 and 270 to be automatically deployed in a similar manner to that described above and the outer end panels 238, 242 are folded and secured to the next adjacent side wall panels 222; 214 thereby to provide a tray as shown in Figure 12.
  • a support structure is provided at each end, defined by inner and outer end wall panels and outer base wall panel which form a beam to improve the rigidity of the tray. It is envisaged that the support structure could be incorporated into the invention without there being fluid retaining structures present without departing from the scope of invention. Further, the corner structure is disposed internally of the outer panels of the tray (i.e. between inner and outer trays) to provide a more aesthetically pleasing tray and to allow promotional material to be viewed with ease.
  • the support structure can be erected automatically by employing configurations other than those described above, without departing from the scope of invention.
  • the or each support structure could be provided by the side wall panels or the end flap could be connected to the outer end panels to encourage automatic erection of the outer panels.
  • end flaps 58, 70 are prevented from being folded beyond a predetermined point by first folding flaps 39, 43 such that the fold lines 41, 45 function as limit stops.
  • Figures 5, 8 and 12 show a tray for holding foodstuff or the like which tray is formed from paperboard or like foldable sheet material and can be erected from a flat collapsed condition shown in Figures 2 and 10C, into a position of use.
  • the tray comprises a plurality of panels including a base wall panel, opposed side and end panels and wherein there further comprises a gusset panel structure spanning the side and end panels to prevent egress of fluid from the base wall panel at each said corner of the tray, wherein the gusset structure and end panels are automatically erected in response to folding the opposed side wall panels towards each other.
  • the resulting support structure 90, 190, 290 shown in Figures 5, 8 and 12 created by the inner end wall flap, the outer end wall panel and outer base wall panel provides additional support to improve the rigidity of the carton.
  • the two ply embodiment hereinbefore described provides a structure that is strengthened to retain foodstuff.
  • the use of paperboard material provides an "environmentally friendly" alternative to trays formed from plastics material and the tray can include printed matter for marketing purposes.
  • hinged connection should not be construed as necessarily referring to a single fold line only: indeed it is envisaged that hinged connection can be formed from one or more of one of the following, a score line, a frangible line or a fold line, without departing from the scope of invention.
  • the present invention and its preferred embodiment relates to an article carrier which is shaped to provide satisfactory rigidity to hold items such as meat or fish securely but with a degree of flexibility.
  • the shape of the blank minimises the amount of paperboard required for the carton.
  • the items can be applied to the carrier by hand or automatic machinery. It is anticipated the invention can be applied to a variety of carton or tray types and not limited to those of the flat tubular sort, for example the flat tubular structure could be replaced by a structure with longer sides and end panels to receive larger cuts of meat.
  • the support structure(s) can be formed from the side wall panels of the carton or without departing from the scope of invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Table Devices Or Equipment (AREA)
  • Centrifugal Separators (AREA)

Claims (25)

  1. Procédé de formation d'un plateau à partir d'une découpe (10), la découpe comportant un premier panneau de paroi latérale (16), un panneau de paroi de base intérieur (18), un deuxième panneau de paroi latérale (20) articulés les uns aux autres en série, et des panneaux de parois d'extrémité intérieurs opposés (58, 70) articulés sur le panneau de paroi de base intérieur (18) et un simple panneau de gousset (62, 66, 74, 78) qui relie chaque extrémité de chaque panneau de paroi d'extrémité intérieur (58, 70) à son panneau de paroi latérale voisin (16, 20), dans lequel chaque panneau de gousset (62, 66, 74, 78) est connecté de manière pliable aux panneaux latéraux et d'extrémité voisins (16, 58)(20,58)(16,70)(20,70) le long de premières et deuxièmes lignes de pliage (64, 63)(68, 67)(76, 31)(80, 33) respectivement, les premières et deuxièmes lignes de pliage convergeant sur l'intersection voisine des bords latéraux et d'extrémité du panneau de paroi de base (18), lequel procédé achève la construction du plateau en fixant les premier et deuxième panneaux de paroi latérale (16, 20) en leurs positions pliées, caractérisé par l'étape consistant à pré-plier chaque panneau de gousset (62, 66, 74, 78) suivant les premières et deuxièmes lignes de pliage respectives (64, 63)(68, 67)(76, 31)(80, 33) et à plier les premier et deuxième panneaux de paroi latérale (16, 20) l'un vers l'autre en les mettant hors d'alignement avec le panneau de paroi de base intérieur (18), en provoquant de ce fait le pliage de chaque panneau de gousset (62, 66, 74, 78) de manière telle que les panneaux de paroi d'extrémité intérieurs (58, 70) sont pliés l'un vers l'autre, l'angle entre les premières et deuxièmes lignes de pliage étant inférieur à 45 degrés.
  2. Procédé selon la revendication 1, dans lequel chaque panneau de gousset (62, 66. 74, 78) est automatiquement plié vers l'intérieur de son panneau de paroi latérale voisin (16, 20) pour être mis en relation de contact de surface avec le panneau de paroi latérale voisin (16, 20) suite audit pliage des panneaux de paroi latérale (16, 20) hors d'alignement avec le panneau de paroi de base intérieur (18).
  3. Procédé selon la revendication 1, dans lequel chaque panneau de gousset (162, 166, 174, 178) est automatiquement plié vers l'intérieur de son panneau de paroi d'extrémité voisin (158, 170) pour être mis en relation de contact de surface avec le panneau de paroi d'extrémité voisin (158, 170) suite audit pliage des panneaux de paroi latérale (116, 120) hors d'alignement avec le panneau de paroi de base intérieur (18).
  4. Procédé selon la revendication 1, dans lequel la découpe (10) comprend en outre un premier panneau de paroi latérale supplémentaire (14), un deuxième panneau de paroi latérale supplémentaire (22), un panneau de paroi de base extérieur (24) et des panneaux de parois d'extrémité extérieurs opposés (38, 42), les premier et deuxième panneaux de paroi latérale supplémentaires (14, 22) étant articulés aux premier et deuxième panneaux de paroi latérale respectifs (16, 20), les panneaux de parois d'extrémité extérieurs opposés (38, 42) étant articulés sur le panneau de paroi de base extérieur (24) afin de former une structure composite lorsque la découpe est assemblée pour former un plateau.
  5. Procédé selon la revendication 4, dans lequel les premiers panneaux de paroi latérale (14, 16) forment une première paroi latérale composite, les panneaux de paroi de base intérieur et extérieur (18, 24) forment une paroi de base composite, les deuxièmes panneaux de paroi latérale (20, 22) forment une deuxième paroi latérale composite, et chaque panneau de paroi d'extrémité intérieur (58, 70) et son panneau de paroi d'extrémité extérieur voisin (38, 42) forment une paroi d'extrémité composite.
  6. Procédé selon la revendication 5, dans lequel les premiers panneaux de paroi latérale (114, 116) sont séparés par un premier panneau intermédiaire (115), et les deuxièmes panneaux de paroi latérale (120, 122) sont séparés par un deuxième panneau intermédiaire (121).
  7. Procédé selon l'une quelconque des revendications 4 à 6, dans lequel la découpe (10) comprend en outre une structure de support de type poutrelle formée à partir de chacun des panneaux de paroi d'extrémité intérieurs (158, 170) connectés de manière pliable suivant une troisième ligne de pliage (160, 172) à la marge latérale des panneaux de paroi de base intérieurs (118) et son panneau de paroi d'extrémité extérieur voisin (138, 142) connecté de manière pliable suivant une quatrième ligne de pliage (140, 144) au panneau de paroi de base extérieur (124), les troisième et quatrième lignes de pliage étant décalées de telle manière que, après assemblage, chaque panneau de paroi d'extrémité intérieur (158, 170) s'étend vers le haut pour venir buter contre le panneau de paroi d'extrémité extérieur voisin (139, 143) pour définir de ce fait la poutrelle.
  8. Procédé selon l'une quelconque des revendications 5 à 7, dans lequel chaque panneau de gousset (162, 166, 174, 178) interconnecte de manière pliable son panneau de paroi d'extrémité intérieur voisin (158, 170) et son panneau de paroi latérale voisin (116, 120).
  9. Procédé selon la revendication 8, dans lequel chaque panneau de gousset (162, 166, 174, 178) est de forme triangulaire et dans lequel ledit panneau de paroi d'extrémité voisin (158, 170) comporte un bord biseauté auquel le panneau de gousset triangulaire est connecté de manière pliable.
  10. Procédé selon la revendication 1, dans lequel l'angle entre la première ligne de pliage (164, 168, 176, 180) de chaque panneau de gousset (162, 166, 174, 178) et le bord latéral voisin de la paroi de base (118) est supérieur à 90 degrés, et dans lequel l'angle entre la deuxième ligne de pliage (131, 135, 133, 137) de chaque panneau de gousset (162, 166, 174, 178) et le bord d'extrémité voisin de la paroi de base (118) est supérieur à 90 degrés.
  11. Procédé selon l'une quelconque des revendications 8 à 10, dans lequel le panneau de gousset (162, 166, 174, 178) fait saillie vers l'extérieur depuis le panneau de paroi d'extrémité intérieur voisin (158, 170) lorsque la découpe est assemblée pour former le plateau.
  12. Procédé selon la revendication 11, dans lequel chaque panneau de gousset (162, 166, 174, 178) est couvert par son panneau de paroi d'extrémité extérieur voisin (138, 142) et son panneau de paroi latérale extérieur voisin (114, 122) lorsque la découpe est assemblée pour former le plateau.
  13. Procédé selon l'une quelconque des revendications 1 à 12, dans lequel les panneaux de paroi intérieurs (216, 218, 220, 258, 220) sont fournis par une deuxième découpe.
  14. Découpe (10) apte à former un plateau au moyen du procédé de la revendication 1, laquelle découpe comprend un premier panneau de paroi latérale (16), un panneau de paroi de base intérieur (18), un deuxième panneau de paroi latérale (20) articulés les uns aux autres en série, et des panneaux de parois d'extrémité intérieurs opposés (58, 70) articulés sur le panneau de paroi de base intérieur (18) et comprenant en outre un simple panneau de gousset (62, 66, 74, 78) qui relie chaque extrémité de chaque panneau de paroi d'extrémité intérieur (58, 70) à son panneau de paroi latérale voisin (16, 20), dans lequel chaque panneau de gousset (62, 66, 74, 78) est connecté de manière pliable aux panneaux latéraux et d'extrémité voisins (16, 58)(20,58)(16,70)(20,70) le long de premières et deuxièmes lignes de pliage (64, 63)(68, 67)(76, 31)(80, 33) respectivement, les premières et deuxièmes lignes de pliage convergeant sur l'intersection voisine des bords latéraux et d'extrémité du panneau de paroi de base (18), caractérisée en ce que l'angle entre les premières et deuxièmes lignes de pliage est inférieur à 45 degrés et en ce que chaque panneau de gousset (62, 66, 74, 78) est pré-plié suivant les premières et deuxièmes lignes de pliage respectives (64, 63)(68, 67)(76, 31)(80, 33), et les premier et deuxième panneaux de paroi latérale (16, 20) sont pliés hors d'alignement avec le panneau de paroi de base intérieur (18), provoquant de ce fait le pliage de chaque panneau de gousset (62, 66, 74, 78) de manière telle que les panneaux de paroi d'extrémité intérieurs (58, 70) sont pliés l'un vers l'autre et les premier et deuxième panneaux de paroi latérale (16, 20) sont fixés en leurs positions pliées pour achever la construction du plateau.
  15. Découpe selon la revendication 14, dans laquelle la découpe (10) comprend en outre un premier panneau de paroi latérale supplémentaire (14), un deuxième panneau de paroi latérale supplémentaire (22), un panneau de paroi de base extérieur (24) et des panneaux de parois d'extxémité extérieurs opposés (38, 42), les premier et deuxième panneaux de paroi latérale supplémentaires (14, 22) étant connectés de manière articulée aux premier et deuxième panneaux de paroi latérale respectifs (16, 20), les panneaux de parois d'extrémité extérieurs opposés (38, 42) étant connectés de manière articulée sur le panneau de paroi de base extérieur (24) afin de former une structure composite lorsque la découpe (10) est assemblée pour former un plateau.
  16. Découpe selon la revendication 15, dans laquelle les premiers panneaux de paroi latérale (14, 16) forment une première paroi latérale composite, les panneaux de paroi de base intérieur et extérieur (18, 24) forment une paroi de base composite, les deuxièmes panneaux de paroi latérale (20, 22) forment une deuxième paroi latérale composite, et chaque panneau de paroi d'extrémité intérieur (58, 70) et son panneau de paroi d'extrémité extérieur voisin (38, 42) forment une paroi d'extrémité composite.
  17. Découpe selon la revendication 16, dans laquelle les premiers panneaux de paroi latérale (114, 116) sont séparés par un premier panneau intermédiaire (1.15), et les deuxièmes panneaux de paroi latérale (120, 122) sont séparés par un deuxième panneau intermédiaire (121).
  18. Découpe selon l'une quelconque des revendications 15 à 17, dans laquelle la découpe (10) comprend en outre une structure de support de type poutrelle formée à partir de chacun des panneaux de paroi d'extrémité intérieurs (158, 170) connectés de manière pliable suivant une troisième ligne de pliage (160, 172) à la marge latérale des panneaux de paroi de base intérieurs (118) et son panneau de paroi d'extrémité extérieur voisin (138, 1,42) connecté de manière pliable suivant une quatrième ligne de pliage (140, 144) au panneau de paroi de base extérieur (124), les troisième et quatrième lignes de pliage étant décalées de telle manière que, après assemblage, chaque panneau de paroi d'extrémité intérieur (158, 170) s'étend vers le haut pour venir buter contre le panneau de paroi d'extrémité extérieur voisin (139, 143) pour définir de ce fait la poutrelle.
  19. Découpe selon l'une quelconque des revendications 16 à 18, dans laquelle chaque panneau de gousset (162, 166, 174, 178) interconnecte de manière pliable son panneau de paroi d'extrémité intérieur voisin (158, 170) et son panneau de paroi latérale voisin (116, 120).
  20. Découpe selon la revendication 19, dans laquelle chaque panneau de gousset (162, 166, 174, 178) est de forme triangulaire et dans lequel ledit panneau de paroi latérale voisin (158, 170) comporte un bord biseauté auquel le panneau de gousset triangulaire est connecté de manière pliable.
  21. Découpe selon la revendication 14, dans laquelle l'angle entre la première ligne de pliage (164, 168, 176, 180) de chaque panneau de gousset (162, 166, 174, 178) et le bord latéral voisin de la paroi de base (118) est supérieur à 90 degrés, et dans lequel l'angle entre la deuxième ligne de pliage (130, 132) de chaque panneau de gousset (162, 166, 174, 178) et le bord d'extrémité voisin de la paroi de base (118) est supérieur à 90 degrés.
  22. Découpe selon l'une quelconque des revendications 19 à 21, dans laquelle le panneau de gousset (162, 166, 174, 178) fait saillie vers l'extérieur depuis le panneau de paroi d'extrémité intérieur voisin (158, 170) lorsque la découpe est assemblée pour former le plateau.
  23. Découpe selon la revendication 22, dans laquelle chaque panneau de gousset (162, 166, 174, 178) est couvert par son panneau de paroi d'extrémité extérieur voisin (138, 142) et son panneau de paroi latérale extérieur voisin (114, 122) lorsque la découpe est assemblée pour former le plateau.
  24. Découpe selon l'une quelconque des revendications 14 à 23, dans laquelle les panneaux de paroi intérieurs (216, 218, 220, 258, 220) sont fournis par une deuxième découpe.
  25. Plateau construit à partir d'une découpe conforme à l'une quelconque des revendications 14 à 24.
EP00932271A 1999-05-06 2000-05-08 Carton et ebauche Expired - Lifetime EP1235717B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9910433.3A GB9910433D0 (en) 1999-05-06 1999-05-06 A tray container and blank
GB9910433 1999-05-06
PCT/US2000/012809 WO2000068093A2 (fr) 1999-05-06 2000-05-08 Carton et ebauche

Publications (2)

Publication Number Publication Date
EP1235717A2 EP1235717A2 (fr) 2002-09-04
EP1235717B1 true EP1235717B1 (fr) 2005-12-28

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EP00932271A Expired - Lifetime EP1235717B1 (fr) 1999-05-06 2000-05-08 Carton et ebauche

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EP (1) EP1235717B1 (fr)
JP (1) JP2004512232A (fr)
AT (1) ATE314263T1 (fr)
AU (1) AU5001400A (fr)
BR (1) BR0010339A (fr)
DE (1) DE60025262T2 (fr)
ES (1) ES2256010T3 (fr)
GB (1) GB9910433D0 (fr)
MX (1) MXPA01011255A (fr)
WO (1) WO2000068093A2 (fr)
ZA (1) ZA200109312B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2182666B1 (es) * 2000-12-05 2004-06-01 Videcart, S.A. Bandeja para el transporte de productos.
DE202010011841U1 (de) * 2010-08-25 2010-11-11 Panther Packaging Gmbh & Co. Kg Selbstentfaltendes Tray und regalförmiges, selbstentfaltendes Display auf Basis der Trays

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640935A1 (en) * 1988-12-23 1990-06-29 Siemco Sa Method of automatically setting the volume of trays (boat-shaped containers) having sealed corners and machine for implementing it
IT1245776B (it) * 1991-04-05 1994-10-18 Cartotecnica Poligrafica A & G Vaschetta in materiale cartaceo o simile
US5183201A (en) * 1991-11-22 1993-02-02 Gulf States Paper Corporation Carton tray with improved corner construction and method of making
FR2687128B1 (fr) * 1992-02-11 1995-05-05 Jean Posson Flan de carton pour la realisation d'une barquette etanche, procede de mise en volume du flan et barquette etanche obtenue.
FR2696419B1 (fr) * 1992-10-07 1994-12-23 Jacques Lustiere Emballage parallélépipédique à couvercle indépendant pour compacteur.
GB2325459A (en) * 1997-05-23 1998-11-25 Petrushkin Limited M Automatically erecting box.

Also Published As

Publication number Publication date
WO2000068093A2 (fr) 2000-11-16
JP2004512232A (ja) 2004-04-22
DE60025262D1 (de) 2006-02-02
GB9910433D0 (en) 1999-07-07
ZA200109312B (en) 2003-02-12
ES2256010T3 (es) 2006-07-16
EP1235717A2 (fr) 2002-09-04
AU5001400A (en) 2000-11-21
DE60025262T2 (de) 2006-08-31
BR0010339A (pt) 2002-05-21
MXPA01011255A (es) 2002-06-21
ATE314263T1 (de) 2006-01-15
WO2000068093A3 (fr) 2002-07-11

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