WO2003104093A1 - A method for making a multi-compartment food tray and a tray made using this method - Google Patents

A method for making a multi-compartment food tray and a tray made using this method Download PDF

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Publication number
WO2003104093A1
WO2003104093A1 PCT/IB2003/002435 IB0302435W WO03104093A1 WO 2003104093 A1 WO2003104093 A1 WO 2003104093A1 IB 0302435 W IB0302435 W IB 0302435W WO 03104093 A1 WO03104093 A1 WO 03104093A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
container elements
sheet
tray
elements
Prior art date
Application number
PCT/IB2003/002435
Other languages
French (fr)
Inventor
Walter Sintoni
Original Assignee
Ipack S.R.L.
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 Ipack S.R.L. filed Critical Ipack S.R.L.
Priority to AU2003233149A priority Critical patent/AU2003233149A1/en
Priority to EP03727903A priority patent/EP1511676B1/en
Priority to DE60324920T priority patent/DE60324920D1/en
Publication of WO2003104093A1 publication Critical patent/WO2003104093A1/en

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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0201—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side
    • B65D21/0206—Separate rigid or semi-rigid trays or cups joined together, e.g. separate trays connected by single foil closure or crimped together
    • B65D21/0208—Separate rigid or semi-rigid trays or cups joined together, e.g. separate trays connected by single foil closure or crimped together by bonding, adhesive, hook and loop-type fastener or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/002—Construction of rigid or semi-rigid containers having contracted or rolled necks, having shoulders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/72—Uniting opposed surfaces or edges; Taping by applying and securing strips or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings

Definitions

  • the present invention relates to a method for making a multi- compartment food tray and a tray made using this method.
  • the multi-compartment food tray is made of cellulose.
  • a meal for example, a first course, a second course and a side dish
  • a suitable place such as canteens, distribution centres, etc.
  • plastic containers which are unsuitable for the lengthy containment of foods and subsequent heat treatments.
  • metal containers the usual aluminium dishes
  • Other materials, more suitable for containing foods have high design costs for the various tray configurations and relative matrices to allow them to be made in a single operating step. We refer in particular to disposable single-piece trays.
  • the Applicant has designed and implemented a method for obtaining a single-use cellulose multi-compartment tray which is extremely practical to use, with reduced costs, extremely flexible construction, with good seal, versatility and hygiene features. Disclosure of the Invention
  • the aim is achieved by a method for making a multi-compartment food tray comprising the following steps: positioning at least two dish-style container elements close to one another, each having an edge forming relative upper perimeters of each container element; removal from a rigid sheet of its portions forming relative openings with corresponding perimeters matching the internal perimeters of each of the container elements; placing the sheet over the two container elements, covering at least the plan dimensions of the two container elements which are close to one another; connection of the edges of each of the container elements to the sheet to form a single tray element.
  • Figure 1 is a top plan view of a multi-compartment food tray made using the method according to the present invention
  • Figure 2 is a schematic side view of a step of the method according to the present invention
  • Figure 3 is a top plan view of another step of the method according to the present invention
  • Figure 4 is a schematic side view of another step of the method according to the present invention.
  • Figure 5 is a view of another step of the method according to the present invention, in a cross-section V - V relative to Figure 1;
  • Figure 6 is an enlarged view of a detail illustrated in Figure 5.
  • the method disclosed allows a multi- compartment food tray 1 to be made .
  • the tray 1 disclosed may be used to hold precooked food to be heated up as appropriate before distribution/consumption .
  • the method disclosed comprises the following steps: - positioning of at least two dish-style container elements 2 and 3 close to one another, each having an edge 4 defining relative upper perimeters of each container element 2 and 3 (see Figure 2) ;
  • the sheet 5 is suitably punched and machined according to the number and shape of the dishes to be grouped to form a tray, so that it has the appropriate openings.
  • Each of the dishes 2, 3 and 30 comprises a flat base 10 and a set of walls 6 perpendicular to or at an angle to the flat base 10 and joined at the bottom to the base 10.
  • the top of the walls 6 form the external edge 4 extending without interruption to constitute a closed surface.
  • Both the container dishes 2, 3 and 30 and the rigid sheet 5 are made of cellulose suitably treated to contain foods .
  • the step of connecting the sheet 5 and the dishes 2, 3 and 30 may, preferably, comprise a step of folding part of the sheet 5 at a connecting zone between each edge 4 of the dishes 2, 3 and 30 and the corresponding walls 6 of the dishes 2, 3 and 30 to form a sheet 5 - container dish 2, 3 and 30 reinforcement and joining zone (see Figure 6 in particular) .
  • the step of connecting the sheet 5 and the container dishes 2, 3 and 30 may, preferably, be carried out by heat-sealing the elements constituting the tray 1.
  • the step of positioning the container dishes 2, 3 and 30 may be performed using a dish 2, 3 and 30 positioning and supporting template 7 (see dashed line in Figures 2 and 4).
  • the multi-compartment food tray 1 made using the method described above is clearly illustrated in Figures 1 and 5.
  • the tray 1 therefore consists of two or more cellulose dish- style container elements 2, 3 and 30, each having an upper edge 4 extending without interruption to form a closed surface constituting relative upper perimeters of the container elements 2, 3 and 30, and a cellulose flat support 5 placed over and connected to the elements 2, 3 and 30, at the edges 4, to join the container elements 2, 3 and 30 together.
  • the flat support 5 also has corresponding openings 5a, 5b, 5d coinciding with the edges 4 of the container elements 2, 3, 30 present, to form zones for access to the container elements 2, 3 and 30.
  • the cellulose flat support 5 has an external portion 5c of each opening 5a, 5b, 5d, folded and connected to an internal connecting zone between each edge 4 and the relative walls 6, forming a support 5 - container element 2, 3 and 30 reinforcement and joining zone.
  • the size of the flat support 5 means that at least one of its zones 8 can define a manual grip point for the tray 1.
  • the method described above and the tray obtained using the method therefore, achieve the preset aims thanks to simple and rapid positioning of dishes in the desired configurations and applying and connecting the support with openings whose number and size depend on the number and size of the dishes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Table Devices Or Equipment (AREA)
  • Packages (AREA)
  • Table Equipment (AREA)
  • Dairy Products (AREA)
  • Package Specialized In Special Use (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

A method for making a multi-compartment food tray (1) comprises the following steps: positioning at least two dish-style container elements (2, 3) close to one another, each having an edge (4) forming relative upper perimeters of each container element (2, 3); removal from a rigid sheet (5) of its portions forming relative openings (5a, 5b) with corresponding perimeters matching the internal perimeters of each of the container elements (2, 3); placing the sheet (5) over the two container elements (2, 3), covering at least the plan dimensions of the two container elements (2, 3) which are close to one another; connection of the edges (4) of each of the container elements (2, 3) to the sheet (5) to form a single tray element (1).

Description

Description
A method for making a multi-compartment food tray and a tray made using this method
Technical Field
The present invention relates to a method for making a multi- compartment food tray and a tray made using this method.
In particular the multi-compartment food tray is made of cellulose.
Background Art
At present, one of the requirements in the food and catering industry arises due to the need for trays with separate compartments for foods which are normally pre-cooked, forming a meal (for example, a first course, a second course and a side dish) to be packed in the tray for sale or transportation to a suitable place (such as canteens, distribution centres, etc.) where the meal may be suitably heated up or the cooking finished before distribution/consumption, either in a conventional oven or in a microwave oven.
This requirement cannot be satisfied by plastic containers, which are unsuitable for the lengthy containment of foods and subsequent heat treatments. Similarly, metal containers (the usual aluminium dishes) are not suitable for a multi-compartment configuration and cannot be used in microwave ovens. Other materials, more suitable for containing foods have high design costs for the various tray configurations and relative matrices to allow them to be made in a single operating step. We refer in particular to disposable single-piece trays.
Therefore, the Applicant has designed and implemented a method for obtaining a single-use cellulose multi-compartment tray which is extremely practical to use, with reduced costs, extremely flexible construction, with good seal, versatility and hygiene features. Disclosure of the Invention
The aim is achieved by a method for making a multi-compartment food tray comprising the following steps: positioning at least two dish-style container elements close to one another, each having an edge forming relative upper perimeters of each container element; removal from a rigid sheet of its portions forming relative openings with corresponding perimeters matching the internal perimeters of each of the container elements; placing the sheet over the two container elements, covering at least the plan dimensions of the two container elements which are close to one another; connection of the edges of each of the container elements to the sheet to form a single tray element.
Brief Description of the Drawings The technical features of the present invention, in accordance with the above-mentioned aims, are set out in the claims herein and the advantages more clearly illustrated in the detailed description which follows, with reference to the accompanying drawings, which illustrate a preferred embodiment of the invention without limiting the scope of the inventive concept, and in which:
Figure 1 is a top plan view of a multi-compartment food tray made using the method according to the present invention;
Figure 2 is a schematic side view of a step of the method according to the present invention; Figure 3 is a top plan view of another step of the method according to the present invention;
Figure 4 is a schematic side view of another step of the method according to the present invention;
Figure 5 is a view of another step of the method according to the present invention, in a cross-section V - V relative to Figure 1;
Figure 6 is an enlarged view of a detail illustrated in Figure 5.
Detailed Description of the Preferred Embodiments of the Invention With reference to the accompanying drawings, and in particular with reference to Figure 1, the method disclosed allows a multi- compartment food tray 1 to be made . In particular, the tray 1 disclosed may be used to hold precooked food to be heated up as appropriate before distribution/consumption .
The method disclosed comprises the following steps: - positioning of at least two dish-style container elements 2 and 3 close to one another, each having an edge 4 defining relative upper perimeters of each container element 2 and 3 (see Figure 2) ;
- removal from a rigid sheet 5 of its portions forming relative opening 5a, 5b with corresponding perimeters matching the internal perimeters of each of the container elements 2 and 3 (see Figure 3) ;
- placing the sheet 5 over the two container elements 2 and 3, covering at least the plan dimensions of the two container elements 2 and 3 close to one another (see Figure 4);
- connection of the edges 4 of each of the two container elements 2 and 3 to the sheet 5 to form a single tray element 1 (see
Figures 1 and 5) .
The accompanying drawings illustrate a configuration with three container elements 2, 3 and 30 by way of example and without limiting the scope of application of the invention, since three dishes form an optimum configuration for holding a complete meal (first course, second course and side dish), although this does not limit the number and shape of the dishes.
The sheet 5 is suitably punched and machined according to the number and shape of the dishes to be grouped to form a tray, so that it has the appropriate openings.
Each of the dishes 2, 3 and 30 comprises a flat base 10 and a set of walls 6 perpendicular to or at an angle to the flat base 10 and joined at the bottom to the base 10.
The top of the walls 6 form the external edge 4 extending without interruption to constitute a closed surface.
Both the container dishes 2, 3 and 30 and the rigid sheet 5 are made of cellulose suitably treated to contain foods .
The step of connecting the sheet 5 and the dishes 2, 3 and 30 may, preferably, comprise a step of folding part of the sheet 5 at a connecting zone between each edge 4 of the dishes 2, 3 and 30 and the corresponding walls 6 of the dishes 2, 3 and 30 to form a sheet 5 - container dish 2, 3 and 30 reinforcement and joining zone (see Figure 6 in particular) . In detail, the step of connecting the sheet 5 and the container dishes 2, 3 and 30 may, preferably, be carried out by heat-sealing the elements constituting the tray 1.
The step of positioning the container dishes 2, 3 and 30 may be performed using a dish 2, 3 and 30 positioning and supporting template 7 (see dashed line in Figures 2 and 4).
The multi-compartment food tray 1 made using the method described above is clearly illustrated in Figures 1 and 5.
The tray 1 therefore consists of two or more cellulose dish- style container elements 2, 3 and 30, each having an upper edge 4 extending without interruption to form a closed surface constituting relative upper perimeters of the container elements 2, 3 and 30, and a cellulose flat support 5 placed over and connected to the elements 2, 3 and 30, at the edges 4, to join the container elements 2, 3 and 30 together.
The flat support 5 also has corresponding openings 5a, 5b, 5d coinciding with the edges 4 of the container elements 2, 3, 30 present, to form zones for access to the container elements 2, 3 and 30. As illustrated in Figure 6, the cellulose flat support 5 has an external portion 5c of each opening 5a, 5b, 5d, folded and connected to an internal connecting zone between each edge 4 and the relative walls 6, forming a support 5 - container element 2, 3 and 30 reinforcement and joining zone. The size of the flat support 5 means that at least one of its zones 8 can define a manual grip point for the tray 1.
The method described above and the tray obtained using the method, therefore, achieve the preset aims thanks to simple and rapid positioning of dishes in the desired configurations and applying and connecting the support with openings whose number and size depend on the number and size of the dishes.
These configurations may be changed each time, according to the maker's requirements, without altering the basic tray production cycle, but only changing the number of dishes and the relative openings in the support: this is done in a rapid, simple and economical fashion. The type of connection and locking of the dish edges by folding the edge of the support openings guarantees a good strong join between the various elements.
The use of cellulose for the entire tray guarantees hygiene, the seal and excellent strength during food heating.
The invention may be modified and adapted in several ways without thereby departing from the scope of the inventive concept. Moreover, all the details may be substituted by technically equivalent elements.

Claims

Claims
1. A method for making a multi-compartment food tray (1) characterised in that it comprises the following steps:
- positioning of at least two dish-style container elements (2, 3) close to one another, each having an edge (4) defining relative upper perimeters of each container element (2, 3) ;
- removal from a rigid sheet (5) of its portions forming relative openings (5a, 5b) with corresponding perimeters matching the internal perimeters of each of the container elements (2, 3) ;
- placing the sheet (5) over the two or more container elements (2, 3) , covering at least the plan dimensions of the two container elements (2, 3) close to one another;
- connection of the edges (4) of each of the container elements (2, 3) to the sheet (5) to form a single tray element (1) .
2. The method according to claim 1, characterised in that at least each dish-style container element (2, 3) is made of cellulose.
3. The method according to claim 1, characterised in that at least the rigid sheet (5) is made of cellulose.
4. The method according to claim 1, characterised in that each dish-style container element (2, 3) and the rigid sheet (5) are made of cellulose.
5. The method according to claim 1, characterised in that the connecting step comprises a step of folding part of the sheet (5) at a connecting zone between each edge (4) and its relative walls (6) to form a sheet (5) - container element (2, 3) reinforcement and joining zone.
6. The method according to claim 1, characterised in that the step of connecting the sheet (5) and the container elements (2, 3) is performed by means of heat-sealing.
7. The method according to claim 1, characterised in that the step of positioning the container elements (2, 3) is performed using a positioning template (7) .
8. A multi-compartment food tray, characterised in that it comprises:
- at least two cellulose dish-style container elements (2, 3) , each having an upper edge (4) extending without interruption to form a closed upper surface, constituting upper perimeters of the container elements (2, 3) ; and - a cellulose flat support (5) placed over and connected to the elements (2, 3), at the edges (4), joining the container elements (2, 3), and having at least two openings (5a, 5b) coinciding with the edges (4) of the two container elements '(2, 3), forming the zone for access to the container elements (2, 3) .
9. The tray according to claim 8, characterised in that the cellulose flat support (5) has an external portion (5c) of each opening (5a, 5b) , folded and connected to an internal connecting zone between each edge (4) and the relative walls (6), forming a sheet (5) - container element (2, 3) reinforcement and joining zone.
10. The tray according to claim 8, characterised in that the flat support (5) has at least one tray (1) manual grip zone (8) .
PCT/IB2003/002435 2002-06-07 2003-06-04 A method for making a multi-compartment food tray and a tray made using this method WO2003104093A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2003233149A AU2003233149A1 (en) 2002-06-07 2003-06-04 A method for making a multi-compartment food tray and a tray made using this method
EP03727903A EP1511676B1 (en) 2002-06-07 2003-06-04 A method for making a multi-compartment food tray and a tray made using this method
DE60324920T DE60324920D1 (en) 2002-06-07 2003-06-04 METHOD FOR PRODUCING SHELLS MULTIPLE CHAMBERS AND CREAM PRODUCED THEREFOR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002BO000362A ITBO20020362A1 (en) 2002-06-07 2002-06-07 METHOD FOR THE REALIZATION OF A MULTI-COMPARTMENT TRAY FOR FOOD AND TRAY SO MADE
ITBO2002A000362 2002-06-07

Publications (1)

Publication Number Publication Date
WO2003104093A1 true WO2003104093A1 (en) 2003-12-18

Family

ID=11440208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/002435 WO2003104093A1 (en) 2002-06-07 2003-06-04 A method for making a multi-compartment food tray and a tray made using this method

Country Status (7)

Country Link
EP (1) EP1511676B1 (en)
AT (1) ATE415354T1 (en)
AU (1) AU2003233149A1 (en)
DE (1) DE60324920D1 (en)
ES (1) ES2318135T3 (en)
IT (1) ITBO20020362A1 (en)
WO (1) WO2003104093A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148636A (en) * 1961-11-13 1964-09-15 American Hospital Supply Corp Serving tray
GB1262966A (en) * 1968-04-01 1972-02-09 Drug Ind Inc Formerly Rexall D Multiple compartmented container
GB1268063A (en) * 1968-07-29 1972-03-22 Plastics Inc Disposable trays
GB2158694A (en) * 1984-05-14 1985-11-20 Jasbir Singh Chagger Food dispensing tray
WO2002060768A1 (en) * 2001-01-30 2002-08-08 Ipack S.R.L. A foodstuffs container and the method for producing the container

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148636A (en) * 1961-11-13 1964-09-15 American Hospital Supply Corp Serving tray
GB1262966A (en) * 1968-04-01 1972-02-09 Drug Ind Inc Formerly Rexall D Multiple compartmented container
GB1268063A (en) * 1968-07-29 1972-03-22 Plastics Inc Disposable trays
GB2158694A (en) * 1984-05-14 1985-11-20 Jasbir Singh Chagger Food dispensing tray
WO2002060768A1 (en) * 2001-01-30 2002-08-08 Ipack S.R.L. A foodstuffs container and the method for producing the container

Also Published As

Publication number Publication date
ITBO20020362A0 (en) 2002-06-07
ATE415354T1 (en) 2008-12-15
EP1511676B1 (en) 2008-11-26
EP1511676A1 (en) 2005-03-09
AU2003233149A1 (en) 2003-12-22
ES2318135T3 (en) 2009-05-01
DE60324920D1 (en) 2009-01-08
ITBO20020362A1 (en) 2003-12-09

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