EP1129013B1 - A tray container and blank - Google Patents

A tray container and blank Download PDF

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Publication number
EP1129013B1
EP1129013B1 EP99958633A EP99958633A EP1129013B1 EP 1129013 B1 EP1129013 B1 EP 1129013B1 EP 99958633 A EP99958633 A EP 99958633A EP 99958633 A EP99958633 A EP 99958633A EP 1129013 B1 EP1129013 B1 EP 1129013B1
Authority
EP
European Patent Office
Prior art keywords
tray
panel
deformable portion
end panels
base 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.)
Expired - Lifetime
Application number
EP99958633A
Other languages
German (de)
French (fr)
Other versions
EP1129013A1 (en
Inventor
Philippe Lebras
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WestRock Packaging Systems LLC
Original Assignee
Meadwestvaco Packaging Systems LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meadwestvaco Packaging Systems LLC filed Critical Meadwestvaco Packaging Systems LLC
Publication of EP1129013A1 publication Critical patent/EP1129013A1/en
Application granted granted Critical
Publication of EP1129013B1 publication Critical patent/EP1129013B1/en
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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2004—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting

Definitions

  • the present invention relates to a carton (or tray) for accommodating an article, for example foodstuff or the like formed from a unitary blank of paperboard or other suitable material and more particularly to a comer arrangement for retaining liquid from the foodstuff.
  • trays are formed from plastics material, for example polystyrene.
  • WO 93/15962 It is also known from WO 93/15962 to provide a fluid tight packaging tray formed from cardboard comprising a single base panel surrounded by side and end wall structures and connected by an enclosure arrangement to maintain a foodtight seal and to prevent liquid from rising by capillarity.
  • the present invention and its preferred embodiment seeks to overcome or at least mitigate the problems of the prior art.
  • a second aspect of the invention provides a blank for forming an article carrier for holding foodstuff or the like comprising a base panel, side panels and end panels and a corner arrangement for retaining liquid foodstuff in the tray, which corner arrangement comprises securing means for securing together the adjacent side and end panels, and a deformable portion hinged to the adjacent side and end panels between the base panel and the securing means.
  • the deformable portion is capable of being deformed when the tray is erected to provide a ply of material protruding outwardly and spanning the side and end panels to inhibit egress of fluid from the base panel at each comer of the erected carrier.
  • the securing means may comprise a flap hingedly connected to one of theside and end panels and foldable to be superposed with the other side and end panels to be secured therewith, which flap is severed from the deformable portion.
  • the deformable portion may be provided by a gusset panel.
  • Figure 1 a portion of the base panel 12, and a side panel 14 hingably connected to base panel 12 along fold line 16. There further comprises part of an end panel 18 hingably connected to base panel 12 along fold line 20.
  • securing means 22 comprises a securing flap 24 hingably connected to end panel 18 along fold line 25.
  • securing flap 24 is positioned adjacent side panel 14 being contiguous therewith and separated by cut line 26.
  • Cut line 26 terminates short of the intersection of fold lines 16, 20 and 25 and is connected to a second cut line 28.
  • Cut line 28 is substantially arcuate in shape and terminates at fold line 25.
  • a tab 30 is defined by an extension of side panel 14, and by cut line 28 and fold line 25.
  • side panel 14 is folded in direction "X" about fold line 16 into a substantially perpendicular relationship with base panel 12.
  • securing flap 24 and tab 30 are moved out of alignment, as shown in Figure 2.
  • end panel 18 is folded in direction "Y" about fold line 20 into a substantially perpendicular relationship with base panel 12, shown in Figures 3 and 4. It will be seen that the folding action of end panel 18 causes tab 30 to be compressed and pushed outwardly from the comer between side panel 14 and end panel 18, as shown in Figure 4.
  • the securing flap 24 is folded in direction "Z" about fold line 25 into face contacting relationship with side panel 14 and is secured thereto by glue or other suitable means known in the art.
  • the comer arrangement is in a complete set up form with tab 30 protruding outwardly as shown in Figures 5 and 6.
  • the remaining corner arrangements are set up in like fashion such that the carton or tray is erected and ready to receive one or more articles, as shown in Figure 7.
  • the carton of the present invention could be formed by a series of sequential folding and gluing operations which can be formed in a straight line machine 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 above and can be altered to particular manufacturing requirements.
  • tab 30 defined by cut line 28 defines an anchor member 32, shaped to receive a portion of the stretch film applied to the tray to seal the package.
  • free edge 34 of tab 30 can be changed to incorporate a different design of anchor member 32, for example a barb, without departing from the scope of invention.
  • the present invention and its preferred embodiment relates to an article carrier and more particularly a comer arrangement which is shaped to provide satisfactory rigidity to retain the tray and/or stretch film in a set up condition.
  • 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 by automatic machinery. It is anticipated that the invention can be applied to a variety of cartons and not limited to those of a tray like sort. For example, the flat tray structure could be replaced by a structure with longer side and end panels to receive larger articles without departing from the scope of invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Table Devices Or Equipment (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Centrifugal Separators (AREA)

Abstract

A tray (10) and a blank for forming a tray for holding foodstuff or the like including a corner arrangement for retaining liquid from the foodstuff in the tray which corner arrangement comprises securing means (22) for securing together a side panel (14) and an end panel (18) of the tray and at least one tab (30) foldably interconnecting said side panel and end panel, which tab is adapted to protrude outwardly of said corner arrangement.

Description

The present invention relates to a carton (or tray) for accommodating an article, for example foodstuff or the like formed from a unitary blank of paperboard or other suitable material and more particularly to a comer arrangement for retaining liquid from the foodstuff.
Commonly, trays are formed from plastics material, for example polystyrene.
It is also known from WO 93/15962 to provide a fluid tight packaging tray formed from cardboard comprising a single base panel surrounded by side and end wall structures and connected by an enclosure arrangement to maintain a foodtight seal and to prevent liquid from rising by capillarity.
US 3 734 391 (Manizza) discloses an article carrier for holding foodstuff or the like comprising a base panel, side panels and end panels and a comer arrangement for retaining liquid foodstuff in the article carrier. The comer arrangement comprises a tab hinged to the adjacent side and end panels. The tab is folded to span the side and end panels to inhibit egress of fluid from the base panel at each comer of the carrier
The present invention and its preferred embodiment seeks to overcome or at least mitigate the problems of the prior art.
A first aspect of the invention provides a tray for holding foodstuff or the like comprising a base panel, side panels and end panels and a comer arrangement at each corner of the tray for retaining liquid foodstuff in the tray, which comer arrangement comprises securing means for securing together the adjacent side and end panels, and a deformable portion hinged to the adjacent side and end panels between the base panel and the securing means, the deformable portion deformed when the tray is erected to provide a ply of material spanning the side and end panels to inhibit egress of fluid from the base panel at each comer of the carrier. The deformable portion is folded to form an outwardly protruding anchor at each of said comers to anchor a stretch film applied to the tray. Preferably, the deformable portion may be hingedly connected to the adjacent side panel by a fold line in an obtuse angular relationship with the fold line connecting the end panel and base panel.
An advantage of the carton (or tray) of the first or second aspects of the invention is that a leak proof corner arrangement is provided with a simple folding arrangement to minimise the "folding process" time.
According to an optional feature of this aspect of the invention the securing means may comprise a flap hingably connected to one of the side and end panels and foldable to be superposed with the other side and end panels to be secured therewith, which flap is severed from the deformable portion.
According to another optional feature of this aspect of the invention the deformable portion may be provided by a gusset panel.
According to another optional feature of this aspect of the invention the deformable portion may comprise an anchoring element to receive and retain the film applied to the tray to seal the package.
A second aspect of the invention provides a blank for forming an article carrier for holding foodstuff or the like comprising a base panel, side panels and end panels and a corner arrangement for retaining liquid foodstuff in the tray, which corner arrangement comprises securing means for securing together the adjacent side and end panels, and a deformable portion hinged to the adjacent side and end panels between the base panel and the securing means. The deformable portion is capable of being deformed when the tray is erected to provide a ply of material protruding outwardly and spanning the side and end panels to inhibit egress of fluid from the base panel at each comer of the erected carrier.
Preferably, the deformable portion may be hingedly connected to the adjacent side panel by a fold line in an obtuse angular relationship with the fold line connecting the end panel and base panel.
According to an optional feature of the second aspect of the invention the securing means may comprise a flap hingedly connected to one of theside and end panels and foldable to be superposed with the other side and end panels to be secured therewith, which flap is severed from the deformable portion.
According to another optional feature of thesecond aspect of the invention the deformable portion may be provided by a gusset panel.
Embodiments of the invention will now be described by way of example only by reference to the accompanying drawings in which:
  • FIGURE 1 is a plan view of the corner arrangement of a blank for forming a carton or tray according to a preferred embodiment of the invention;
  • FIGURES 2, 3, 4 and 5 illustrate the steps during construction of the comer arrangement from a blank shown in Figure 1;
  • FIGURE 6 is an isometric illustration of a comer arrangement fully closed and sealed; and
  • FIGURE 7 is an isometric illustration of a carton formed incorporating the comer arrangement illustrated in Figure 6.
    • Referring first to Figure 1 there is illustrated part of a blank 10 for forming a collapsible tray or carton made from a unitary blank of paperboard or similar foldable sheet material and adapted to hold foodstuff or the like. The tray includes a comer arrangement for retaining liquid from the foodstuff which comer arrangement comprises securing means 22 for securing together a side panel 14 and an end panel 18 of the tray and at least one tab 30 foldably interconnecting said side panel and end panel, which tab is adapted to protrude outwardly of said comer arrangement.
    More particularly, there is shown in Figure 1, a portion of the base panel 12, and a side panel 14 hingably connected to base panel 12 along fold line 16. There further comprises part of an end panel 18 hingably connected to base panel 12 along fold line 20.
    In this embodiment, securing means 22 comprises a securing flap 24 hingably connected to end panel 18 along fold line 25. As shown in Figure 1, securing flap 24 is positioned adjacent side panel 14 being contiguous therewith and separated by cut line 26. Cut line 26 terminates short of the intersection of fold lines 16, 20 and 25 and is connected to a second cut line 28. Cut line 28 is substantially arcuate in shape and terminates at fold line 25. Thus, a tab 30 is defined by an extension of side panel 14, and by cut line 28 and fold line 25.
    Turning to the construction of the tray, shown in Figures 2 to 7, side panel 14 is folded in direction "X" about fold line 16 into a substantially perpendicular relationship with base panel 12. Thus, securing flap 24 and tab 30 are moved out of alignment, as shown in Figure 2. Thereafter, end panel 18 is folded in direction "Y" about fold line 20 into a substantially perpendicular relationship with base panel 12, shown in Figures 3 and 4. It will be seen that the folding action of end panel 18 causes tab 30 to be compressed and pushed outwardly from the comer between side panel 14 and end panel 18, as shown in Figure 4.
    Thereafter, the securing flap 24 is folded in direction "Z" about fold line 25 into face contacting relationship with side panel 14 and is secured thereto by glue or other suitable means known in the art. Thus, the comer arrangement is in a complete set up form with tab 30 protruding outwardly as shown in Figures 5 and 6. The remaining corner arrangements are set up in like fashion such that the carton or tray is erected and ready to receive one or more articles, as shown in Figure 7.
    It is envisaged that the carton of the present invention could be formed by a series of sequential folding and gluing operations which can be formed in a straight line machine 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 above and can be altered to particular manufacturing requirements.
    Thereafter the article or foodstuff is loaded from above into the tray or carton and stretch film can be applied to the tray to seal the package. The shape of tab 30 defined by cut line 28 defines an anchor member 32, shaped to receive a portion of the stretch film applied to the tray to seal the package. Thus, the anchoring of the film by the tray is improved.
    It is envisaged that the shape of free edge 34 of tab 30 can be changed to incorporate a different design of anchor member 32, for example a barb, without departing from the scope of invention.
    The present invention and its preferred embodiment relates to an article carrier and more particularly a comer arrangement which is shaped to provide satisfactory rigidity to retain the tray and/or stretch film in a set up condition. 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 by automatic machinery. It is anticipated that the invention can be applied to a variety of cartons and not limited to those of a tray like sort. For example, the flat tray structure could be replaced by a structure with longer side and end panels to receive larger articles without departing from the scope of invention.

    Claims (9)

    1. A tray for holding foodstuff or the like comprising a base panel (12), side panels (14) and end panels (18) and a comer arrangement at each corner of the tray for retaining liquid foodstuff in the tray, which comer arrangement comprises securing means (22) for securing together the adjacent side and end panels, and a deformable portion (30) hinged to the adjacent side and end panels between the base panel and the securing means, said deformable portion being deformed when the tray is erected to provide a ply of material spanning the side and end panels to inhibit egress of fluid from the base panel at each said comer of the tray characterised in that the deformable portion (30, 32) is folded to form an outwardly protruding anchor (32) at each of said comers to anchor a stretch film applied to the tray.
    2. The tray as claimed in claim 1 wherein the deformable portion is hingedly connected to the adjacent side panel by a fold line in an obtuse angular relationship with the fold line connecting the end panel and base panel.
    3. The tray as claimed in claims 1 or claim 2 wherein said securing means comprises a flap (24) hingedly connected to one of said side and end panels and foldable to be superposed with the other said side and end panels to be secured therewith, which flap is severed from the deformable portion.
    4. The tray as claimed in any of claims 1 to 3 wherein said deformable portion is provided by a gusset panel.
    5. A blank for forming a tray as claimed in any of claims 1 to 4, wherein the deformable portion (30) is defined by an extrusion of side panel (14) and by a end time (28) and the fold line (25) connecting the end panel (13) and the securing means (22).
    6. A blank for forming an article carrier for holding foodstuff or the like comprising a base panel, side panels and end panels and a comer arrangement for retaining liquid foodstuff in the tray, which comer arrangement comprises securing means for securing together the adjacent side and end panels, and a deformable portion hinged to the adjacent side and end panels between the base panel and the securing means characterised in that said deformable portion is capable of being deformed when the tray is erected to provide a ply of material protruding outwardly and spanning the side and end panels to inhibit egress of fluid from the base panel at each said corner of the erected carrier.
    7. A blank as claimed in claim 6 wherein the deformable portion is hingedly connected to the adjacent side panel by a fold line in an obtuse angular relationship with the fold line connecting the end panel and base panel.
    8. A blank as claimed in claim 6 or claim 7 wherein said securing means comprises a flap hingedly connected to one of said side and end panels and foldable to be superposed with the other said side and end panels to be secured therewith, which flap is severed from the deformable portion.
    9. A blank as claimed in any of claims 6 to 8 wherein said deformable portion is provided by a gusset panel.
    EP99958633A 1998-09-14 1999-09-14 A tray container and blank Expired - Lifetime EP1129013B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    GBGB9819926.8A GB9819926D0 (en) 1998-09-14 1998-09-14 A tray container and blank
    GB9819926 1998-09-14
    PCT/US1999/021026 WO2000015511A1 (en) 1998-09-14 1999-09-14 A tray container and blank

    Publications (2)

    Publication Number Publication Date
    EP1129013A1 EP1129013A1 (en) 2001-09-05
    EP1129013B1 true EP1129013B1 (en) 2004-02-25

    Family

    ID=10838786

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99958633A Expired - Lifetime EP1129013B1 (en) 1998-09-14 1999-09-14 A tray container and blank

    Country Status (10)

    Country Link
    EP (1) EP1129013B1 (en)
    AT (1) ATE260210T1 (en)
    AU (1) AU1596000A (en)
    DE (1) DE69915094T2 (en)
    DK (1) DK1129013T3 (en)
    ES (1) ES2216599T3 (en)
    GB (1) GB9819926D0 (en)
    HK (1) HK1039926B (en)
    PT (1) PT1129013E (en)
    WO (1) WO2000015511A1 (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    AU2009302241B2 (en) 2008-10-08 2015-10-29 Xgene Pharmaceutical Inc. GABA conjugates and methods of use thereof
    GB2476795A (en) * 2010-01-06 2011-07-13 Colpac Ltd Sealed sandwich container

    Family Cites Families (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR914213A (en) * 1945-03-30 1946-10-02 Waterproof packing box or case
    DE906404C (en) * 1952-05-28 1954-03-15 Jagenberg Werke Ag Blank made of paper, cardboard or the like for the production of a closure part
    US3734391A (en) * 1971-01-25 1973-05-22 Continental Can Co Carton with shortened web corners
    US3910483A (en) * 1974-11-07 1975-10-07 Int Paper Co Two-piece, paperboard container construction
    FR2687128B1 (en) 1992-02-11 1995-05-05 Jean Posson CARDBOARD BLANK FOR THE PRODUCTION OF A SEALED CONTAINER, METHOD FOR VOLUMEING THE BLANK AND SEALED CONTAINER.

    Also Published As

    Publication number Publication date
    ES2216599T3 (en) 2004-10-16
    DE69915094T2 (en) 2004-09-02
    GB9819926D0 (en) 1998-11-04
    ATE260210T1 (en) 2004-03-15
    EP1129013A1 (en) 2001-09-05
    DE69915094D1 (en) 2004-04-01
    PT1129013E (en) 2004-06-30
    WO2000015511A1 (en) 2000-03-23
    HK1039926B (en) 2004-09-10
    HK1039926A1 (en) 2002-05-17
    DK1129013T3 (en) 2004-06-28
    AU1596000A (en) 2000-04-03

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