AU765353B2 - A tray container and blank - Google Patents

A tray container and blank Download PDF

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Publication number
AU765353B2
AU765353B2 AU65155/99A AU6515599A AU765353B2 AU 765353 B2 AU765353 B2 AU 765353B2 AU 65155/99 A AU65155/99 A AU 65155/99A AU 6515599 A AU6515599 A AU 6515599A AU 765353 B2 AU765353 B2 AU 765353B2
Authority
AU
Australia
Prior art keywords
tray
base
void
blank
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.)
Ceased
Application number
AU65155/99A
Other versions
AU6515599A (en
Inventor
Philippe Le Bras
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
Mead Corp
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 Mead Corp filed Critical Mead Corp
Publication of AU6515599A publication Critical patent/AU6515599A/en
Application granted granted Critical
Publication of AU765353B2 publication Critical patent/AU765353B2/en
Assigned to MEADWESTVACO PACKAGING SYSTEMS, LLC reassignment MEADWESTVACO PACKAGING SYSTEMS, LLC Alteration of Name(s) in Register under S187 Assignors: MEAD CORPORATION, THE
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/261—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for draining or collecting liquids without absorbing them
    • B65D81/262—Rigid containers having false bottoms provided with passages for draining and receiving liquids
    • 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
    • B65D5/20—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
    • B65D5/22—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 held erect by extensions of one or more sides being doubled-over to enclose extensions of adjacent sides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Cartons (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Table Devices Or Equipment (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

A tray and a blank (10) for forming a tray for holding foodstuff or the like which tray is formed from paperboard or similar foldable sheet material, the tray including the base (14) wherein the base (14) has a doubled skinned zone (82) providing a void (66) wherein means are provided to give fluid communication between the internal surface of the base (14) and said void (66) so that fluid present in the tray can drain into the void (66).

Description

A TRAY CONTAINER AND BLANK Field of the Invention 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 of other suitable foldable sheet material.
Background of the Invention Tray structures for meat are commonly formed from plastics material, for example polystyrene.
There can be excess food liquid, for example blood or water from foodstuff to which is undesirable. One solution is illustrated in US 3 156 402 which shows a food products support tray including two layers in which the liquid is stored. The liquid passes through openings and is held between the layers. It is apparent that handling of the tray will push liquid back through the openings. Further, if the tray is stored in an upright position, the liquid will collect along the edges and at the corners.
EP 0 495 320 discloses a tray formed from foam plastics material, the tray being formed with a removable false base portion which, when placed on support 5 provided around the periphery of the actual base 2 of the tray 7, defines a void between the false base 6 and the actual base 2 of the tray 7. The foodstuff rests on the false base 6 which is provided with apertures to enable fluid to pass into the void where it is absorbed by a moisture absorbing polymer.
:Object of the Invention It is an object of the present invention to overcome or ameliorate some of the disadvantages of the prior art, or at least to provide a useful alternative.
Summary of the Invention One preferred aspect of the invention provides a tray for holding foodstuff of the like which tray may be formed from paperboard or similar foldable sheet material, the tray including a base and opposed side and end wall portions hingedly connected to the base wherein means are provided to give fluid communication between the internal surface of the base and a void so that fluid present in the tray can drain into the void, characterised in the void can be formed by a double skinned zone adjacent at least a portion of the intersection between the base and respective side and/or end wall.
0. 0 0 .0 *0 0. 00* 0* [R'\LIBLI. I 4S68speci.doc:keh Mp, i. fiirz~- 2 Preferably the void may be provided by folded outer panels of the opposed side and/or end walls.
According to an optional feature of this aspect of the present invention the fluid communication means may comprise a plurality of perforations. Preferably, the plurality of perforations are distributed along at least one edge of the of the base.
According to another optional feature of this aspect of the invention the void may include absorbing means placed between the inner and outer base panels to absorb said liquid. Preferably, the absorbing means is provided by the surfaces of double skinned zone. Alternatively, the absorbing means comprises a layer of liquid absorbing material placed in the void.
According to a further optional feature of this aspect of the invention the internal surface of the base may be impermeable. Preferably, the internal surface may be coated with an impermeable layer. In these embodiments the impermeable layer may be a copolymer, for example carboxylated styrene or butadiene.
A second preferred aspect of the invention provides a blank for forming a tray for holding foodstuff or the like comprising a base panel, side and end panels hingably connected to the base panel and further including a securing means for securing together adjacent side and end panels to form a comer of the tray, wherein means are provided to give fluid communication between the internal surface of the base when erected to form a S 20 carton and a void so that fluid present in the erected tray can drain into the void, characterised in that a further blank portion is provided capable of being brought into a Sposition adjacent the intersection between the base and respective side or end wall so as to S°form a double skin thereby to form the void.
According to an optional feature of the second aspect of the invention, the further portion may be hingedly connected to a free edge of the side and/or end walls.
According to another optional feature of the second aspect of the invention, said fluid communication means may comprise a plurality of perforations distributed along at least one edge of said base panel.
Brief Description of the Drawings An embodiment of the invention will now be described, by way of example only, with reference to the accompanying drawings in which: FIGURE 1 is a plan view of a blank for forming a carton according to a preferred embodiment of the invention; 'i S[R* 4568speci doc:keh [R \L[BLL] 14568spei.doc~keh s~ FIGURE 2 is an underside plan view of the blank shown in Figure 1; FIGURE 3 illustrates an isometric view of the carton formed from the blank illustrated in Figure 1 shown during folding; and FIGURE 4 is a cross-sectional view X-X of the carton formed from a blank shown in Figure 3.
Detailed Description of the Preferred Embodiments Referring first to Figure 1 there is shown 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 side panel 12, base panel 14, and second side panel 16 hingably connected together in series along fold lines 18, 20 respectively. These further comprises opposed end panels 22, 24 hingably connected to opposite lateral edges of outer base panel 14 along fold lines 28, 30 respectively.
When the tray is in a set up condition, base panel 14 includes a double skinned zone, which in this embodiment, is formed by one or more panels. Preferably, the double skinned zone extends into the or each side and end walls 12, 16, 22, 24. In this embodiment, the double skinned zone is provided by side support panels 32, 34 foldably connected to side panels 12 and 16 by fold lines 36, 38 respectively. There may further comprise end support panels 40, 42 foldably connected to end panels 22, 24 along fold lines 44, 46. Optionally, side support panels 32, 34 include fold lines 46, 50 respectively spaced from and parallel to fold lines 18, 20 respectively to define portions 49 and 51.
Each portion 49 and 51 substantially correspond to the height and/or shape of side panels 12, 16 respectively. Likewise, end support panels 40, 42 may include fold lines 52, 54 respectively spaced from and parallel to fold lines 36, 38 to define portions 53, substantially corresponding to the height and/or shape of end panels 22, 24.
Suitable securing means for connecting the end and side panels together is provided. In this embodiment, there comprises a pair of oppositely disposed securing flaps 56, 58 9 89 [R:\LIBLL] 14568speci.doc:keh I WO 00/21856 PCT/US99/23844 4 extending from opposite ends of side support panels 32 and 34 and connected thereto along fold lines 60 and 62 respectively.
As illustrated in Figure 1, fold lines 18, 20 and 28, 30 are preferably defined in part by a series of interrupted cuts 19 for ease of folding the adjacent panels. The cuts may be shaped and configured to help with removal of excess food liquid.
Turning to the construction of the tray illustrated in Figures 2 and 3, side support panels 32 and 34 are folded about fold line 36 and 38 respectively and into face contacting relationship with side panels 12 and 16 respectively, and is secured to the base panel 14 by glue or other suitable securing means 64. Likewise, end support panels 42 and 44 are folded about fold lines 44 and 46 and into face contacting relationship with the lower surface of end panels 22, 24 and the outer portions of the side and end panels are secured to base panel by glue or other suitable securing means 64. Figure 2 illustrates one example of the position of glue applied to the underside of the blank prior to folding the carton. Preferably, the glue is in the form of"hot melt" so to provide a seal between the base and the respective support walls to prevent migration of the liquid, described in more detail below. Thus, the carton is in a flat collapsed form to be supplied to the user so that it can be erected to provide a tray.
It is envisaged that the carton of the present invention can 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 below and can be altered according to the particular manufacturing requirements.
The carton (or tray) is formed by folding side panels 12, 16 inwardly about fold lines 18, 20 respectively to define the side walls, as shown in Figure 3. The end walls are formed by folding the end panels 22, 24 about fold lines 28, 30. Finally, the securing flaps 56, 58 are secured to the end panels 22, 24 by glue or other suitable means to retain the tray in a set up condition and to seal the ends of the double skinned zones 82, -4l -r- WO 00/21856 PCTIUS99/23844 as illustrated in Figure 3. Thereafter, foodstuff is loaded into the tray from above and stretch film can be applied to the tray to seal the package.
Thus, a tray 80 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 into a position of use and includes a double skinned zone 82 around the side and end walls 12, 16, 22, 24 and part of base panel 14 to provide a void 66, shown in Figures 3 and 4.
In use, excess liquid (or exudate) 76 from the foodstuff 62 is retained in the tray because the base is impermeable. Preferably, the panels providing an internal surface, for example the base 14, side and end walls 12, 16, 22, 24 are coated with an impermeable layer 72. In the embodiment described above the impermeable layer 72 is a co-polymer for example carboxylated styrene or butadiene. As shown in Figure 4, the cross section of the support panels of this embodiment would comprise in series from the inner surface: co polymer, printed matter (if desired), white coating, and board.
When the tray is stacked in an upright position, for example on a supermarket shelf, excess liquid tends to collect at the edges and in the corners. In order to remove excess fluid from the tray, a void 66 is provided by the double skinned zone 82, shown in more detail in Figure 4. The resulting void 66 is between the side (and end) panels 12, 16 and the support panels 32, 34 and 40, 42 which can be used to receive surplus food liquid blood or water) present in the tray by means to give fluid communication between the internal surface of the base and the void.
It is envisaged that the or each void 66 could be adapted to receive suitable absorbing material, for example absorbing stamp or bag, preferably during the initial set up process or by the application of absorbing polymer gel, for example polyacrylamide, during the set up or gluing steps of carton construction. More preferably, liquid can be absorbed directly by the inner surfaces 49 of the panels providing the double skinned zone as shown in Figure 4. In one class of embodiments the effect of capillarity encourages movement of the liquid away from fluid communication means in the void.
l WO 00/21856 PCT/US99/23844 6 The use of hot melt glue 64 at the free end of the support panels stops the migration of the liquid.
Preferably, the means 68 to give fluid communication is provided by a plurality of cuts or perforations 19 struck from the inner base panel 22 to assist in movement of liquid from the upper surface of the inner base panel 22 into the or each void 66. In those embodiments where fold lines 18, 20, 28, 30 are defined in part by a series of cuts 19, the cuts can assist in fluid movement.
Beneficially, 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. The arrangement of the panels for the tray in the embodiment described above allows printed matter to be placed on the internal and external side and end walls of the tray.
It will be recognised that as used herein, directional references such as "top", "base", "end", and "side" 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 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 a tray 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. Furthermore, the double skinned zones can be formed on the inner panels of the carton, without departing from the scope of invention.
I-cs

Claims (14)

1. A tray for holding foodstuff or the like which tray is formed from paperboard or similar foldable sheet material, the tray including a base and opposed side and end wall portions hingedly connected to the base wherein means are provided to give fluid communication between the internal surface of the base and a void so that fluid present in the tray can drain into the void, characterised in that the void is formed by a double skinned zone adjacent at least a portion of the intersection between the base and respective side and/or end wall.
2. A tray according to claim 1 wherein the void is provided by folded outer panels of the opposed side and/or end walls.
3. A tray according to any of claims 1 to 2 wherein said fluid communication means comprises a plurality of perforations.
4. A tray according to claim 3 wherein said plurality of perforations are distributed along at least one edge of the base.
5. A tray according to any preceding claim wherein the void includes absorbing means to absorb said liquid.
6. A tray according to claim 5 wherein the absorbing means is provided by the surfaces of double skinned zone.
7. A tray according to claim 5 wherein the absorbing means is provided by a layer of liquid absorbing material placed in the void.
8. A tray according to any preceding claim wherein the internal surface of the base is impermeable. W09594_w A 5, 8
9. A tray according to claim 8 wherein the internal surface is coated with an impermeable layer. A tray according to claim 9 wherein the impermeable layer is formed by a co-polymer for example carboxylated styrene or butadiene.
11. A blank for forming a tray for holding foodstuff or the like comprising a base panel, side and end panels hingably connected to the base panel and further including a securing means for securing together adjacent side and end panels to form a corner of the tray, wherein means are provided to give fluid communication between the internal surface of the base when erected to form a carton and a void so that fluid present in the erected tray can drain into the void, whereby a further blank portion is provided capable of being brought into a position adjacent the intersection between the base and respective side or end wall so as to form a double skin thereby to form the void.
12. A blank according to claim 11 wherein the further portion is hingedly connected to a free edge of the side and/or end walls.
13. A blank according to claim 11 or claim 12 wherein said fluid communication means comprises a plurality of perforations distributed along at least one edge of said base panel.
14. A blank for forming a tray as claimed in any one of claims 1 to A tray, substantially as herein described with reference to any one of the 20 embodiments of the invention shown in the accompanying drawings.
16. A blank for forming a tray, substantially as herein described with reference to any one of the embodiments of the invention shown in the accompanying drawings. Dated 7 July, 2003 The Mead Corporation Patent Attorneys for the Applicant/Nominated Person SPRUSON FERGUSON B: :1 4: [R:\LIBLL]14568spcci.doc:keh
AU65155/99A 1998-10-15 1999-10-14 A tray container and blank Ceased AU765353B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9822461 1998-10-14
GBGB9822461.1A GB9822461D0 (en) 1998-10-15 1998-10-15 A tray container and blank
PCT/US1999/023844 WO2000021856A1 (en) 1998-10-15 1999-10-14 A tray container and blank

Publications (2)

Publication Number Publication Date
AU6515599A AU6515599A (en) 2000-05-01
AU765353B2 true AU765353B2 (en) 2003-09-18

Family

ID=10840594

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65155/99A Ceased AU765353B2 (en) 1998-10-15 1999-10-14 A tray container and blank

Country Status (11)

Country Link
EP (1) EP1119499B1 (en)
JP (1) JP2002527308A (en)
AT (1) ATE231093T1 (en)
AU (1) AU765353B2 (en)
BR (1) BR9914562A (en)
DE (1) DE69904959T2 (en)
DK (1) DK1119499T3 (en)
ES (1) ES2189509T3 (en)
GB (1) GB9822461D0 (en)
MX (1) MXPA01003748A (en)
WO (1) WO2000021856A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0225017D0 (en) * 2002-10-28 2002-12-04 Mead Corp A tray container & blank
ES2379823B2 (en) * 2010-03-02 2012-09-18 Cartonajes International S.L. Sociedad Unipersonal PYRAMIDAL TRUNK TRAY CONTAINER OF FOOD PRODUCTS.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924689A (en) * 1958-07-23 1963-05-01 Diamond National Corp Improvements in or relating to molded containers
EP0495230A2 (en) * 1990-12-27 1992-07-22 Hoechst Aktiengesellschaft Recyclable tray-like container with absorbent means
WO1994004435A1 (en) * 1992-08-24 1994-03-03 Roman Bauernfeind Verpackungswerk Gesellschaft M.B.H. Container for keeping and presenting foodstuffs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1089612A (en) * 1964-07-25 1967-11-01 Field Sons & Co Ltd Improvements in cardboard and the like boxes
US3575287A (en) * 1969-07-18 1971-04-20 Niagara Frontier Service Packaging container for meat products and the like
FR2614877A1 (en) * 1987-05-07 1988-11-10 Grouiller Herve System for packaging and wrapping foodstuffs subject to exudation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924689A (en) * 1958-07-23 1963-05-01 Diamond National Corp Improvements in or relating to molded containers
EP0495230A2 (en) * 1990-12-27 1992-07-22 Hoechst Aktiengesellschaft Recyclable tray-like container with absorbent means
WO1994004435A1 (en) * 1992-08-24 1994-03-03 Roman Bauernfeind Verpackungswerk Gesellschaft M.B.H. Container for keeping and presenting foodstuffs

Also Published As

Publication number Publication date
DE69904959D1 (en) 2003-02-20
EP1119499B1 (en) 2003-01-15
ES2189509T3 (en) 2003-07-01
WO2000021856A1 (en) 2000-04-20
EP1119499A1 (en) 2001-08-01
DK1119499T3 (en) 2003-04-28
MXPA01003748A (en) 2002-04-24
JP2002527308A (en) 2002-08-27
ATE231093T1 (en) 2003-02-15
BR9914562A (en) 2001-07-03
AU6515599A (en) 2000-05-01
GB9822461D0 (en) 1998-12-09
DE69904959T2 (en) 2003-05-22

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Owner name: MEADWESTVACO PACKAGING SYSTEMS, LLC

Free format text: FORMER OWNER WAS: THE MEAD CORPORATION