CA2784283A1 - Container - Google Patents

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Publication number
CA2784283A1
CA2784283A1 CA2784283A CA2784283A CA2784283A1 CA 2784283 A1 CA2784283 A1 CA 2784283A1 CA 2784283 A CA2784283 A CA 2784283A CA 2784283 A CA2784283 A CA 2784283A CA 2784283 A1 CA2784283 A1 CA 2784283A1
Authority
CA
Canada
Prior art keywords
cover portion
panel
container
base portion
front wall
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.)
Abandoned
Application number
CA2784283A
Other languages
French (fr)
Inventor
Richard Edward Hemsley
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.)
HINGE WILLIAM ROGER
Original Assignee
HINGE WILLIAM ROGER
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 HINGE WILLIAM ROGER filed Critical HINGE WILLIAM ROGER
Publication of CA2784283A1 publication Critical patent/CA2784283A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/4266Folding lines, score lines, crease lines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/20Rigid 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
    • B65D5/22Rigid 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/64Lids
    • B65D5/66Hinged lids
    • B65D5/6626Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank
    • B65D5/665Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank the lid being held in closed position by self-locking integral flaps or tabs
    • B65D5/6661Flaps provided over the total length of the lid edge opposite to the hinge
    • B65D5/6664Flaps provided over the total length of the lid edge opposite to the hinge combined with flaps or tabs provided at the side edges of the lid
    • B65D5/6667Flaps provided over the total length of the lid edge opposite to the hinge combined with flaps or tabs provided at the side edges of the lid and connected to one another in order to form an uninterrupted telescoping flange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2585/00Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/30Containers, packaging elements or packages specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D2585/36Containers, packaging elements or packages specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for biscuits or other bakery products
    • B65D2585/363Containers, packaging elements or packages specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for biscuits or other bakery products specific products
    • B65D2585/366Pizza

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

A collapsible container made from sheet material, comprising a cover portion and a base portion; the cover portion and base portion each being pivotally connected at respective spaced fold lines to a rear wall each, wherein each of the cover portion and base portion comprises a main panel having, at its edge remote from the rear wall portion, a front wall and, at its opposite side edges, side walls wherein the side and front walls portions of the cover portion interfit with one another to retain them in position extending generally perpendicular to the panel of the cover portion and the side and front walls of the base portion are able, to lie within inwardly facing surfaces of the side and front walls of the cover portion.

Description

CONTAINER
Description This invention relates to a container, made out of a sheet material such as corrugated cardboard.
The invention has been devised for use a food container, particularly a so-called pizza box, commonly used by fast-food establishments for containing ready to eat pizza for consumption off the premises. Although it will be understood that the invention may be applicable to containers intended for purposes other than receiving pizzas, the term "pizza box" will be used herein for convenience in describing the invention. Conventional pizza boxes, whose configuration has changed little for many years, are made out of a suitable paper-based board material in order to be bio-degradable, and are supplied to pizza vendors in the form of fiat pieces of such material, cut to the required shape and pre-formed with lines along which the material is readily foldable. When the container is required to be used, it is readily erected by folding along the pre-formed lines to create a box which is usually square or rectangular in plan view of dimensions suitable to accommodate a respective diameter of pizza, and of a height sufficient to accommodate the thickness of the pizza. The box, as erected, has a base portion the form of a tray, with front, rear and side walls upstanding from a base panel, and a lid or cover which opens pivotally to give access to the interior of the box. A pizza can be placed downwardly into the erected base portion; if one were to be placed on the base panel with the base portion of the box not erected it would impede the erection process of the base portion.
Pizza boxes are intended for a single use only, after which they are discarded as refuse or for recycling. Clearly, it is advantageous if the amount of cardboard used in each box is minimised: even a small saving in cardboard usage becomes significant when multiplied by the number of boxes used throughout the world.
Other desirable characteristics of pizza boxes are that they should be easy to erect from the flat condition and to collapse for disposal after use, while being robust and resistant to accidental collapse when erected so that a pizza contained in the box is adequately protected.
It is broadly the object of the present invention to address these desirable aspects of pizza box construction and disadvantages of conventional pizza boxes.
According to one aspect of the invention, we provide a collapsible container made from sheet material, comprising a cover portion and a base portion; the cover portion and base portion each being pivotally connected at respective spaced fold lines to a rear wall portion, wherein each of the cover portion and base portion comprises a main panel having, at its edge remote from the rear wall portion, a front wall and, at its opposite side edges, side walls;
wherein the side and front walls portions of the cover portion interfit with one another to retain them in position extending generally perpendicular to the panel of the cover portion; and the side and front walls of the base portion are able to lie within inwardly facing surfaces of the side and front walls of the cover portion.
In a container, particularly a pizza box, in accordance with the invention, the above-described construction, with the cover portion having its side and front walls interfitting so that they are retained in the orientation generally perpendicular to the panel of the cover portion, means that the base portion of the container can, after the cover portion of the box has been erected, remain flat so that a pizza can be placed thereon and, if required, cut into portions. A
pizza can be slid sideways, if desired, onto the base portion of the box rather than having to be placed downwardly into the base portion of a conventional box. If desired, the cover portion of the box could be erected after a pizza has been placed on the base portion, since such erection is not impeded by the presence of the pizza. Thereafter the side and front walls of the base portion can be folded upwardly from the panel of the base portion to extend generally perpendicular to the panel of the base portion, and be retained in that position by closing of the cover portion so that they are constrained by lying within the side and front walls of the cover portion.
In view of the above, it will be noted that pizza boxes awaiting use can be stored flat, i.e. need not be pre-erected before they are used. This is convenient in saving time and space in a pizza vendor's premises.
The side walls of the cover portion may be provided, at their free end adjacent the front wall of the cover portion, with tabs which engage the front wall, preferably by being folded to extend generally at right angles to the side walls and which are constrained between surfaces of respective parts of the front wall which have been folded to overlie one another.
The respective parts of the front wall may be retained in their overlying position by formations on one part of the front wall, engaging in receiving formations where the other part of the front wall meets the panel of the cover portion.
Prior to the folding of the front wall so that its one portion overlies the other, the dimension of the front wall may be substantially that of the height of the side walls of the cover portion (and hence that of the side and front walls of the base portion).
At least one of the cover and base portions may have at least its panel provided with a surface relief extending between opposite portions of the panel to facilitate folding of the panel along such relief, to reduce the size of the container for disposal after use.
There may be first and second surface reliefs extending along respective axes running between opposed portions of the panel and through a central region of the panel, the axes extending generally perpendicular to one another.
Such relief or reliefs may extend from the panel into the connected wall portions of the container at the edges thereof.
These and other features of the invention will now be described by way of example with reference to the accompanying drawings, of which:
Figure 1 is a plan view of a blank for erection into a pizza box in accordance with the invention;
Figures 2 to 8 are perspective views showing successive stages of erection of the blank of figure 1 into a pizza box, and the subsequent collapse and folding of the pizza box for disposal.
Referring firstly to figure 1 of the drawings, the blank comprises a piece of corrugated cardboard which overall is generally of rectangular shape. It is provided with a number of cut lines (where the corrugated cardboard is completely severed) and fold lines (where the corrugated cardboard is alternately creased and cut through, e.g. 10mm crease followed by 10mm cut, successively, along the length of the line). There are also some fold lines where the board is creased slightly to guide and facilitate folding, but somewhat less easily than where the crease/cut fold lines are provided. The corrugated cardboard is of the type having first and second parallel surface layers separated by a corrugated layer or flute, and in figure 1 of the drawing, the preferred longitudinal direction of the corrugations of the flute is as indicated alongside the drawing. The flute may be of the "E" flute type, providing the corrugated cardboard with an overall thickness of approximately 2mm.
The blank, illustrated generally at 10 comprises two main portions 12, 14 which respectively form a cover portion of the box and a base portion of the box.
They are connected to one another, along fold lines 16, 18 which are parallel to one another, by a portion 20 which forms an upstanding rear wall of the erected box, the two fold lines 16, 18 providing for generally pivotal movement of the cover portion of the box relative to the base portion about two parallel axes afforded by the fold lines 16, 18. This enables the main panels (described hereafter) of the cover portion and base portion of the erected box to lie in spaced parallel relation to one another.
The cover portion 12 of the blank comprises a main substantially rectangular panel 24 along whose opposite sides are provided, in mirror image of one another, flaps 22 delineated by respective fold lines 26. These form side walls of the cover portion of the erected box. At the ends of the flaps 22 remote from the fold line 16, there are respective tabs 28 of which each comprises a transition portion 28a leading into an engagement portion 28b which is of slightly less than half the lateral dimension of the main part of the flap 22.
Between the tabs 28, the end of the panel 24 remote from the fold line 16 is provided with a flap indicated generally at 30 connected to the panel 24 along a fold line 32 which is interrupted by two completely cut portions 34 which are slightly off-set towards the fold line 16. The flap itself, which forms the front wall of the erected box, comprises two parts 36, 38 of which the former has its ends tapered, leading into the part 38 which hence has its ends spaced from the tabs 28 in the flat blank. The parts 36, 38 are connected to one another by two closely spaced parallel fold lines 40. The free edge of the part 38 has two projecting elongate tabs 42 spaced along it, in alignment with the off-set cut line portions 34.
The base portion 14 of the blank has a main panel 44 of the same dimensions as the main panel 24 of the cover portion 12. Along opposite sides of the panel there are respective flaps 46 delineated by fold lines 48. Connected at the ends of the flaps 46 which lie nearest the flaps 22 there are respective tabs 50 which are connected to the flaps 46 along respective crease lines 52 and are separated from the flaps 22 and wall portion 20 by cut lines. The outer edges of the tabs 50, facing oppositely away from one another in the flat blank, each have two converging inwardly extending cut lines 54.
The edge of panel 44 remote from the fold line 18 is provided with a flap 56 delineated by fold line 58. At the opposite ends of the flap 56, there are respective tabs 60 connected to the flap by crease lines 62 and completely separated by cut lines from the flaps 46.
The above described features of the blank enable it to be erected for use as a pizza box, in the manner described hereafter. The box is also provided with features, as follows, which facilitate its folding to a significantly smaller size to facilitate its disposal after use. It will be appreciated that a large pizza, e.g. of 300mm diameter, necessitates a box whose dimensions when erected are greater than can readily be accommodated in a typical waste bin likely to be provided in the home.
Each of the panels 24, 44 has a crease line 66, 68 respectively extending transversely across it, these crease lines extending into the respective side flaps 22, 46. Two parallel fold lines 70 extend from the crease line 66 towards the wall portion 20, followed by two parallel, more closely-spaced, fold lines 72 extending across the wall portion 20 towards the crease line 68. Beyond the crease line and generally in line with the fold lines 70, 72 a crease line 74 extends into the flap 56.
Further features of the blank for the pizza box are that the fold line 16 has a central portion 76 which is cut right through and off-set from the fold line 16. The purpose of this is to provide, when the box is erected as described hereafter, a vent for the interior of the box since it will be appreciated that when the panel 24 extends at right angles to the wall portion 20 the shallow tab formed by the cut portion 76 will extend in alignment with the panel 54 and open space between it and the wall portion 20. The panel 44 is provided with a number of radial markings 78 to give a guide for cutting of a pizza into sector-shaped portions.
Finally, the panel 24 is provided with cut and fold line formations 80 which provide for the holding of portions of sauces, etc.
Referring now to figures 2 to 4 of the drawings, these show successive stages of erection of the blank into a pizza box. Figure 2 shows the blank ready for 26 erection, with its peripheral tabs and flaps slightly displaced from the general plane of the remainder of the blank. The first stage of erection is that the cover is constructed, by folding the flaps 22 upwardly from the opposite edges of the panel 24 until they lie approximately at right angles to the plane of the panel 24, and the tabs 28 at the ends of the flaps 22 are folded towards one another so that they are in alignment with the fold line 32. The portion 30 is then folded upwardly about the fold line 32 so that the parts 28b of the tabs 28 are in face to face relationship with the part 36 of the portion 30. Then, the part 38 is folded over, about the fold lines 40, so that it lies in face to face engagement with the part 36, with the parts 28b of the tabs trapped between the opposed surfaces of the parts 36, 38 at the ends of the portion 30. In this condition, the tabs 42 engage in slots formed by the offset cut parts 34 interrupting the fold line 32, when the part 36 is folded upwardly relative to the panel 24. Hence, the part forms a double-thickness end wall of the cover portion of the box, while the flaps 22 form side walls of the cover portion of the box, the end wall of the cover portion being of half the height of the side walls.
After erection of the cover portion of the box, a pizza to be put in the box may then be placed on the upper surface of the base portion panel 44 of the box.
The pizza may be cut in situ on the box, such cutting being guided, if desired, by the markings 78 on the base portion of the box. This may be done before the flaps which form the side and end walls of the base of the box are folded upwardly relative to the panel 44, so that upwardly extending side and end walls of the base do not impede the cutting operation of the pizza, significantly easing this operation compared with previously-known pizza boxes.
Subsequently, (figure 4) the flaps 46 and 56 may be folded upwardly from the panel 24, the tabs 60 at the ends of flap 56 lying within and face to face with the adjacent end portions of the flaps 46 forming the side walls of the base. The box may be closed by pivoting the cover portion of the box about the fold lines 16, 18 so that its cover panel 24 lies above the base panel 44, spaced therefrom by the height of the side walls of the base determined by the flaps 46 and 56. The flaps 22 forming the side walls of the cover, and the end wall of the cover formed by portion 30, lie to the exterior of the respective side and end walls of the base.
The closed box is shown in figure 5.
After use of the pizza box, the box may be reduced to a smaller and more convenient size for disposal, firstly by opening out all the parts of the box so that the form of a generally flat piece of cardboard is again assumed (although it will be appreciated that the folding of the original blank to the form of the box will mean that the cardboard will not naturally assume a completely flat configuration.
Figure 6 shows that the cover panel 24 has been folded about the crease line 66, and figure 7 shows that subsequently the base panel 44 has been folded about the crease line 68. The cover portion and base portion of the box can now be folded towards one another as shown by the arrows on figure 7, about the fold line 18, so that the original blank is reduced to approximately one quarter of its original length, comprising four thicknesses of the cardboard material of the blank. The fold lines 70, 72, and 74 overlie one another in this folded configuration, to enable the dismantled box to be folded again about the fold lines 70, 72, 74 to reduce it to slightly more than one quarter of the size of the closed pizza box. Figure 8 shows this finally-folded condition being approached, and in the final condition the tabs 50 lie adjacent an approximately face-to-face with one another. In this state, the small dove-tail shaped piece of cardboard defined between the cut lines 54 in one of the tabs 50 may be folded out of the tab and engaged in the dove-tail shaped opening provided by displacing the corresponding piece of cardboard in the other tab from the plane of this tab.
Hence, the folded pizza box is retained in nearly-flat folded configuration, for easy disposal.
When used in this specification and claims, the terms "comprises" and "comprising" and variations thereof mean that the specified features, steps or integers are included. The terms are not to be interpreted to exclude the presence of other features, steps or components.
The features disclosed in the foregoing description, or the following claims, or the accompanying drawings, expressed in their specific forms or in terms of a means for performing the disclosed function, or a method or process for attaining the disclosed result, as appropriate, may, separately, or in any combination of such features, be utilised for realising the invention in diverse forms thereof.

Claims (13)

1. A collapsible container made from sheet material, comprising a cover portion;
a base portion;
a rear wall portion connected to each of the cover portion and base portion at respective spaced fold lines;
each of the cover portion and base portion comprising a main panel, a front wall portion at an edge of the main panel remote from the rear wall portion, and side walls at opposite side edges of the main panel; wherein the side walls and front wall of the cover portion interfit with one another to retain them in position extending generally perpendicular to the main panel of the cover portion; and the side walls and front wall of the base portion of the container are able to lie within inwardly facing surfaces of the side and front wall thereof.
2. A container according to claim 1 wherein the side walls of the cover portion are provided, at their free end adjacent the front wall of the cover portion, with respective tabs which engage the front wall.
3. A container according to claim 2 wherein the tabs are folded to extend generally at right angles to the side walls, and are constrained between surfaces of respective parts of the front wall which have been folded to overlie one another.
4. A container according to claim 3 wherein the respective parts of the front wall are retained in their folded, overlying, position by formations on a free edge of the front wall prior to its folding, the formations engaging in receiving formations where the front wall is connected to the main panel of the cover portion.
5. A container according to claim 3 or claim 1 wherein, prior to folding thereof so that its one portion overlies the other, the dimension of the front wall is substantially that of the height of the side walls of the cover portion.
6. A container according to any one of the preceding claims wherein at least one of the cover and base portions has at least its main panel provided with at least one surface relief extending between opposite regions of the panel, for facilitating folding of the panel along the relief.
7. A container according to claim 6 wherein the at least one main panel having the relief has first and second reliefs extending along respective axes between opposed regions of the panel and through a central region of the panel, the axes extending generally perpendicular to one another.
8. A container according to claim 6 or claim 7 wherein the at least one relief extends from the panel into adjacent wall portions of the container at the edges thereof.
9. A container according to claims 6 to 8 wherein respective parts of the container, separated from one another when the container has been folded along the reliefs, have formations engageable with one another to hold the container in the folded condition.
10. A container according to any one of the preceding claims wherein the sheet material is corrugated cardboard, having surface layers separated by a corrugated flute.
11. A container according to any one of the preceding claims which is a pizza box.
12. A blank of sheet material for erection into a container according to any one of the preceding claims the blank comprising main panels for the cover portion and base portion of the container, a rear wall panel connecting said main panels at spaced parallel fold lines, and flaps at free edges of the main panels to form side and front walls of the cover portion and base portion of the container.
13. A method of packaging a pizza in a container according to claim 11, comprising erecting the cover portion of the container by folding the side walls and front wall thereof from the main panel thereof and interfitting the walls with one another to retain them in position; placing a pizza on the main panel of the base portion of the blank; optionally cutting the pizza into portions while it is on the base portion of the blank; folding the side and front walls of the base portion upwardly from the main panel of the blank, and closing the cover portion of the container relative to the base portion to hold the side and front walls of the base portion within the side and front walls of the cover portion.
CA2784283A 2012-06-20 2012-07-25 Container Abandoned CA2784283A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1210917.9A GB2505154A (en) 2012-06-20 2012-06-20 Collapsible pizza box with surface reliefs
GB1210917.9 2012-06-20

Publications (1)

Publication Number Publication Date
CA2784283A1 true CA2784283A1 (en) 2013-12-20

Family

ID=46641206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2784283A Abandoned CA2784283A1 (en) 2012-06-20 2012-07-25 Container

Country Status (3)

Country Link
US (1) US20130344211A1 (en)
CA (1) CA2784283A1 (en)
GB (1) GB2505154A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10793314B2 (en) 2018-06-11 2020-10-06 Darian Straszewski Foldable pizza box and method
CN108792314B (en) * 2018-06-22 2024-05-24 浙江新振印刷科技有限公司 Packaging box with quantitative structure
USD878200S1 (en) 2018-10-23 2020-03-17 DaVinci Box Company, LLC Reusable box blank
USD914496S1 (en) 2018-10-23 2021-03-30 Davinci Sox Company, Llc Reusable box blank
USD926566S1 (en) 2018-11-13 2021-08-03 Darian Straszewski Foldable pizza box
USD926567S1 (en) 2018-11-13 2021-08-03 Darian Straszewski Foldable pizza box
CN115485204A (en) * 2020-04-02 2022-12-16 金伯利-克拉克环球有限公司 Container blank

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014853A (en) * 1990-08-02 1991-05-14 Crockett Eric T Food delivery box
US5110038A (en) * 1991-04-16 1992-05-05 Frank Pantisano Plate forming and break down pizza box
US5209392A (en) * 1992-08-19 1993-05-11 Walter Anatro Recyclable pizza box
US5375761A (en) * 1993-01-22 1994-12-27 Sullivan; Laura C. Pizza box and method of disposing of used pizza boxes
US6915948B2 (en) * 2003-04-29 2005-07-12 Nadim William George Collapsible/easily disposable food container
GB0409248D0 (en) * 2004-04-26 2004-05-26 Encase Ltd A folded article
US20080073416A1 (en) * 2006-09-26 2008-03-27 Walsh William R Convertible pizza box
FR2945516B1 (en) * 2009-05-13 2011-06-17 Serge Cohen FLAN A CUT OF SEMI-RIGID MATERIAL FOR FORMING AFTER FOLDING A PACKAGING AND PACKAGING SO OBTAINED.
GB2484127A (en) * 2010-09-30 2012-04-04 Atlantic Entpr 2009 Ltd Collapsible pizza box with surface reliefs
DE202010014364U1 (en) * 2010-10-15 2012-01-19 Seda S.P.A. box

Also Published As

Publication number Publication date
US20130344211A1 (en) 2013-12-26
GB201210917D0 (en) 2012-08-01
GB2505154A (en) 2014-02-26

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20150727