EP1719708A1 - Tray made of semi-rigid material, lined with a thermoformed inner film of thermoplastic material - Google Patents

Tray made of semi-rigid material, lined with a thermoformed inner film of thermoplastic material Download PDF

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Publication number
EP1719708A1
EP1719708A1 EP06290689A EP06290689A EP1719708A1 EP 1719708 A1 EP1719708 A1 EP 1719708A1 EP 06290689 A EP06290689 A EP 06290689A EP 06290689 A EP06290689 A EP 06290689A EP 1719708 A1 EP1719708 A1 EP 1719708A1
Authority
EP
European Patent Office
Prior art keywords
blank
walls
tray
film
tool
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.)
Granted
Application number
EP06290689A
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German (de)
French (fr)
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EP1719708B1 (en
Inventor
Patrick Roman
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.)
Smurfit Kappa France SAS
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Smurfit Kappa France SAS
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Publication date
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Publication of EP1719708A1 publication Critical patent/EP1719708A1/en
Application granted granted Critical
Publication of EP1719708B1 publication Critical patent/EP1719708B1/en
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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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • 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
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
    • B65D5/5475—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for dividing a "cross-like" container body into separate parts
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/20—Construction of rigid or semi-rigid containers provided with two or more compartments
    • B31B2120/25—Construction of rigid or semi-rigid containers provided with two or more compartments formed by partitions or like inserts not integral with walls
    • 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
    • B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
    • B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
    • B31B2120/406—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box the lining material being a plunger, a web, a sheet or a bag to be forced into the box, e.g. by using heat
    • 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 novel tray made of a semi-rigid material, such as cardboard, corrugated cardboard or other packaging material, internally lined with a film of thermoformed thermoplastic material, a biodegradable film or the like.
  • the tray therefore usually has, at its upper part, flat flanges, continuous or not, called “sidewalks" in the art, which serve as a seat for a plastic closure cap or paper and support stacking superior packaging.
  • trays of this type comprising two separate compartments, separated in a sealed manner from one another and which may contain identical or different products, these compartments preferably being separable from one another. the other by the user at the time of use, without altering the structure of each party.
  • the first object of the invention is a tray made of a semi-rigid material such as cardboard, corrugated cardboard or the like, comprising at least two distinct compartments, adjoining two by two and each coated internally and along their upper edge.
  • a film made of a deformable material, in particular a thermoformed thermoplastic material each compartment comprising a bottom part arranged in line with that of the adjacent compartment, while their contiguous side walls are arranged in the extension of one another, or adjacent and then equipped with manual separation means, the compartments may be arranged or not symmetrically with respect to a median plane of the tray perpendicular to their bottoms, this tray being characterized in that each compartment has in the vicinity of the adjacent compartment a wall perpendicular to the bottom, which is devoid of a cardboard support o it consists of only said film of deformable material, and in that this film joins the two contiguous walls of the two compartments, at the upper part thereof, forming a flat strip parallel to their bottoms and situated at a distance of these
  • the subject of the invention is also a blank made of a semi-rigid material such as cardboard, corrugated cardboard or the like, of such a tray, this blank having the shape of the usual trays comprising a single compartment, with a bottom part and side walls erected perpendicularly or obliquely thereto, and having a median plane of symmetry perpendicular to said bottom, said blank being characterized in that, in its bottom portion, parallel to the plane of symmetry, is provided at the less a cut extending in the direction thereof, between two opposite side walls of the blank, so as to introduce through this opening, perpendicularly to the bottom, a tool whose largest dimension in the plane of symmetry is less than or equal to that separating said opposite walls, and that in the upper part of said opposite walls, in line with the ends of said cutout, are formed from their upper edge openings for engaging controlled movable parts of said tool.
  • a tool whose largest dimension in the plane of symmetry is less than or equal to that separating said opposite walls, and
  • the invention also relates to a pre-cut blank and repressed in a semi-rigid material such as cardboard, corrugated cardboard or the like, for producing the above blank, this blank comprising a panel of generally rectangular shape , possibly truncated in the corners, intended to form the bottom of the blank, and panels articulated by fold lines along the edges of the rectangular panel, this blank being characterized in that, in this panel is formed, parallel to the edges which are articulated two opposite panels, at least one cutout extending between the panels articulated along the other edges, perpendicular to the fold lines by which these panels are hinged to the bottom panel.
  • a semi-rigid material such as cardboard, corrugated cardboard or the like
  • a subject of the invention is a method of manufacturing the tray with at least two compartments defined above from the blank which has just been mentioned, by forming a film of a deformable material at the same time. interior of this blank, in particular by thermoforming a thermoplastic film, this method being characterized in that, prior to the forming phase, is introduced into the blank, through the cutouts or cutouts in the bottom thereof and perpendicularly to this bottom, a tool having a strip-shaped flat surface, which is brought flush parallel to the bottom the upper part of the walls of the blank disposed at each end of the blank and which extends continuously between these two walls, in that one brings two movable members of said tool facing, respectively, openings formed in the upper part of said walls to engage in these openings, each of these members having a planar portion, which in this position is arranged without discontinuity in the extension of the flat surface of the upper part of said tool, in that the forming of the deformable film in the two compartments defined in FIG.
  • the trays with at least two compartments made by this method are, of course, within the scope of the invention and are recognizable by the cut-out (s) separating the bottom of the two compartments and by the openings made in the upper part of the walls of these compartments. , below the band of the thermoformed film that joins them together.
  • the corrugated cardboard blank 1 of FIG. 1 comprises a bottom 2 of generally rectangular shape, here truncated at 3 in its corners, on which are articulated by fold lines, along the sides of the rectangle, two transverse walls 4 and two walls. longitudinal 5.
  • Each transverse wall 4 is extended at its ends by corner walls 6 articulated on the wall 4 associated with a fold line, which, when the blank is shaped, is substantially perpendicular to the bottom, the base of the panels 6 then coinciding substantially with the truncated edges 3 of the bottom 2.
  • flaps 7, intended to be applied against the inner face of the longitudinal wall 5 contiguous two 8, articulated by double upsets at the upper part of each wall 5, which can be folded against the flaps 7 and locked in this position by engagement of lugs 9, 10, in cutouts 11, 12, formed in the bottom 2, at the base of the 5.
  • Other mounting systems could of course be used without departing from the scope of the invention.
  • Entanglements 13 are adjacent by a fold line to the walls 5 and are intended to be folded perpendicular to these walls in the corners, to form "sidewalks", which after shaping the tray and thermoforming a film made of thermoplastic material, will serve as a seat for a closure cap and as a support for stacking other similar trays.
  • the walls 4 and 5 may be perpendicular to the bottom 2 or arranged obliquely to it, being inclined outwardly or inwardly of the tray, depending on the needs and depending on the packaged products.
  • a cutout 14 which extends between the walls 5 and divides the bottom 2 into two equal parts 2 a , 2 b .
  • the blank 14 is partially closed by two movable flaps 15 hinged to the bottom portions 2 a, 2 b, by fold lines arranged at an equal distance walls 4, each flap 15 having a width equal to half that of the cutout 14.
  • the cutout 14 is intended to allow the introduction into the vertical, in the pre-assembled corrugated cardboard tray, of a tool 16 for separating the tray into two compartments.
  • a tear strip 19 extending substantially from the cutout 14 to the notch 18 of this wall. This band 19 is limited laterally by lines of failure primers, which allow to separate the wall portions 5 respectively associated with each of the compartments.
  • the tool 16 here of trapezoidal shape, has two lateral faces 20, planar and parallel to each other, facing respectively to each of the walls 4, and a band-shaped flat upper part. parallel to the bottom 2. It is equipped laterally with two lugs 17 mounted sliding, actuated by a motor system housed in the tool 16 and directed towards the walls 5 of the cardboard tray. These lugs also comprise a flat upper part, parallel to the bottom 2, which can be brought into the extension, without discontinuity, of the corresponding surface of the tool 16, the lugs 17 coming into this position in the notches 18 .
  • the two compartments 22 of the resulting tray can be easily closed by means of a single lid extending over the entablature 13, on the upper edges of the compartments and on the portions of the thermoplastic film protruding outwards and coming from thermoforming, at the top of the tray, on which it is heat sealed.
  • the two compartments 22 may contain different foodstuffs or not, or other products, or two portions of the same food, one of which can be consumed and the other stored in a refrigerator or a freezer or put on hold.
  • a line of rupture primer 24 may be provided in the strip 23, parallel to the side edges thereof, and it will then be sufficient for the user to separate the two parts of this strip 23 and detach the strips 19 from the walls 5.
  • the invention thus provides a simple and easy way to implement, by conventional thermoforming techniques, to produce a container made of a semi-rigid material, lined internally with a deformable material, for example a thermoformed thermoplastic material, which comprises at least two separate compartments easily separable from one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Laminated Bodies (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Buffer Packaging (AREA)
  • Packages (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

The tray has two distinct compartments (22) having respective adjacent walls (4, 5), where the tray is made of a corrugated board. The walls are constituted of a deformable thermoformed thermoplastic material film and are perpendicular to base parts which are not provided with a support. The film connects the walls at an upper part of the compartments by forming a flat band (23) parallel to the parts. The band is arranged at a distance from the parts so that a closing lid takes support on the band and integrates with the band. An independent claim is also included for a method for forming a tray.

Description

La présente invention concerne une nouvelle barquette en un matériau semi-rigide, tel que le carton, le carton ondulé ou tout autre matériau d'emballage, doublée intérieurement d'une pellicule de matière thermoplastique thermoformée, d'un film biodégradable ou similaire.The present invention relates to a novel tray made of a semi-rigid material, such as cardboard, corrugated cardboard or other packaging material, internally lined with a film of thermoformed thermoplastic material, a biodegradable film or the like.

Des barquettes de ce type général sont bien connues dans la technique et la Demanderesse, qui les commercialise sous l'appellation générique PUR' T (marque déposée), les a décrites dans diverses demandes de brevet (voir, par exemple, EP-A-387 133 ), ainsi que le remplissage de telles barquettes, fermées à leur partie supérieure par un opercule en matière pastique, en matière biodégradable, en papier complexé ou autre, avec une atmosphère gazeuse inerte vis-à-vis des produits conditionnés (voir, par exemple, FR-A-2 595 583 et FR-A-2 597 833 ).Trays of this general type are well known in the art and the Applicant, who markets them under the generic name PUR 'T (registered trademark), has described them in various patent applications (see, for example, EP-A-387 133 ), as well as the filling of such trays, closed at their upper part by a lid of pastic material, biodegradable material, paper complexed or other, with a gaseous atmosphere inert to the packaged products (see, for example , FR-A-2,595,583 and FR-A-2,597,833 ).

Ces produits sont en général des denrées alimentaires périssables ou des produits exigeant une atmosphère stérile, ou sèche ou particulière, des produits pharmaceutiques ou des produits industriels, par exemple. Pour isoler ces produits de l'atmosphère ambiante, la barquette comporte donc habituellement, à sa partie supérieure, des rebords plats, continus ou non, dits « trottoirs » dans la technique, qui servent d'assise à un opercule de fermeture en matière plastique ou en papier et supportent au gerbage un emballage supérieur.These products are generally perishable foodstuffs or products requiring a sterile, dry or special atmosphere, pharmaceutical products or industrial products, for example. To isolate these products from the ambient atmosphere, the tray therefore usually has, at its upper part, flat flanges, continuous or not, called "sidewalks" in the art, which serve as a seat for a plastic closure cap or paper and support stacking superior packaging.

Le besoin s'est fait sentir depuis longtemps de disposer de barquettes de ce type comprenant deux compartiments distincts, séparés de façon étanche l'un de l'autre et pouvant contenir des produits identiques ou différents, ces compartiments étant de préférence séparables l'un de l'autre par l'utilisateur au moment de l'emploi, sans altérer la structure de chaque partie.The need has long been felt to have trays of this type comprising two separate compartments, separated in a sealed manner from one another and which may contain identical or different products, these compartments preferably being separable from one another. the other by the user at the time of use, without altering the structure of each party.

A la connaissance de la Demanderesse, la réalisation de telles barquettes doubles n'a cependant pas pu être envisagée industriellement, en raison de la difficulté à thermoformer un film de matière thermoplastique commun aux deux compartiments de la barquette, qui puisse constituer un organe de liaison entre eux et qui soit néanmoins d'une planéité suffisante pour recevoir un opercule de fermeture commun à ces deux compartiments et apte à assurer leur étanchéité.To the knowledge of the Applicant, however, the production of such double trays could not be considered industrially, because of the difficulty of thermoforming a film of thermoplastic material common to both compartments of the tray, which can constitute a connecting member between them and which is nevertheless of sufficient flatness to receive a closure seal common to these two compartments and capable of ensuring their seal.

Les travaux effectués par la Demanderesse l'ont amenée à concevoir une nouvelle barquette de ce type et un procédé de fabrication de celle-ci, qui répondent aux impératifs de fabrication rappelés ci-dessus.The work carried out by the Applicant has led to the design of a new tray of this type and a method of manufacturing thereof, which meet the manufacturing requirements mentioned above.

A cet effet, l'invention a pour premier objet une barquette en un matériau semi-rigide tel que le carton, le carton ondulé ou similaire, comprenant au moins deux compartiments distincts, attenants deux à deux et revêtus chacun intérieurement et suivant leur bord supérieur d'un film en une matière déformable, notamment en une matière thermoplastique thermoformée, chaque compartiment comprenant une partie de fond disposée dans le prolongement de celle du compartiment contigu, tandis que leurs parois latérales contiguës sont disposées dans le prolongement les unes des autres, ou attenantes et équipées alors d'un moyen de séparation manuelle, les compartiments pouvant être disposés ou non symétriquement par rapport à un plan médian de la barquette perpendiculaire à leurs fonds, cette barquette étant caractérisée en ce que chaque compartiment comporte au voisinage du compartiment contigu une paroi perpendiculaire au fond, qui est dépourvue d'un support en carton ondulé et constituée uniquement dudit film de matière déformable, et en ce que ce film réunit les deux parois contiguës des deux compartiments, à la partie supérieure de celles-ci, en formant une bande plane parallèle à leurs fonds et située à une distance telle de ceux-ci qu'un opercule de fermeture de la barquette puisse prendre appui sur cette bande et en être rendu solidaire.For this purpose, the first object of the invention is a tray made of a semi-rigid material such as cardboard, corrugated cardboard or the like, comprising at least two distinct compartments, adjoining two by two and each coated internally and along their upper edge. a film made of a deformable material, in particular a thermoformed thermoplastic material, each compartment comprising a bottom part arranged in line with that of the adjacent compartment, while their contiguous side walls are arranged in the extension of one another, or adjacent and then equipped with manual separation means, the compartments may be arranged or not symmetrically with respect to a median plane of the tray perpendicular to their bottoms, this tray being characterized in that each compartment has in the vicinity of the adjacent compartment a wall perpendicular to the bottom, which is devoid of a cardboard support o it consists of only said film of deformable material, and in that this film joins the two contiguous walls of the two compartments, at the upper part thereof, forming a flat strip parallel to their bottoms and situated at a distance of these that a closing cap of the tray can be supported on this band and be made integral.

L'invention a également pour objet une ébauche en un matériau semi-rigide tel que le carton, le carton ondulé ou autre, d'une telle barquette, cette ébauche ayant la forme des barquettes usuelles comportant un unique compartiment, avec une partie de fond et des parois latérales dressées perpendiculairement ou obliquement par rapport à celle-ci, et présentant un plan médian de symétrie perpendiculaire à ce fond, cette ébauche étant caractérisée en ce que, dans sa partie de fond, parallèlement au plan de symétrie, est ménagée au moins une découpe s'étendant suivant la direction de celui-ci, entre deux parois latérales opposées de l'ébauche, de manière à pouvoir introduire par cette ouverture, perpendiculairement au fond, un outil dont la plus grande dimension dans le plan de symétrie est inférieure ou égale à celle séparant lesdites parois opposées, et en ce qu'à la partie supérieure desdites parois opposées, à l'aplomb des extrémités de ladite découpe, sont ménagées à partir de leur arête supérieure des ouvertures permettant d'y engager des parties mobiles commandées dudit outil.The subject of the invention is also a blank made of a semi-rigid material such as cardboard, corrugated cardboard or the like, of such a tray, this blank having the shape of the usual trays comprising a single compartment, with a bottom part and side walls erected perpendicularly or obliquely thereto, and having a median plane of symmetry perpendicular to said bottom, said blank being characterized in that, in its bottom portion, parallel to the plane of symmetry, is provided at the less a cut extending in the direction thereof, between two opposite side walls of the blank, so as to introduce through this opening, perpendicularly to the bottom, a tool whose largest dimension in the plane of symmetry is less than or equal to that separating said opposite walls, and that in the upper part of said opposite walls, in line with the ends of said cutout, are formed from their upper edge openings for engaging controlled movable parts of said tool.

L'invention a également pour objet un flan prédécoupé et refoulé en un matériau semi-rigide tel que le carton, le carton ondulé ou autre, pour la réalisation de l'ébauche ci-dessus, ce flan comprenant un panneau de forme générale sensiblement rectangulaire, éventuellement tronqué dans les coins, destiné à former le fond de l'ébauche, et des panneaux articulés par des lignes de pliage suivant les bords du panneau rectangulaire, ce flan étant caractérisé en ce que, dans ce panneau est ménagée, parallèlement aux bords suivant lesquels sont articulés deux panneaux opposés, au moins une découpe s'étendant entre les panneaux articulés suivant les autres bords, perpendiculairement aux lignes de pliage par lesquelles ces panneaux sont articulés sur le panneau de fond.The invention also relates to a pre-cut blank and repressed in a semi-rigid material such as cardboard, corrugated cardboard or the like, for producing the above blank, this blank comprising a panel of generally rectangular shape , possibly truncated in the corners, intended to form the bottom of the blank, and panels articulated by fold lines along the edges of the rectangular panel, this blank being characterized in that, in this panel is formed, parallel to the edges which are articulated two opposite panels, at least one cutout extending between the panels articulated along the other edges, perpendicular to the fold lines by which these panels are hinged to the bottom panel.

L'invention a enfin pour objet un procédé de fabrication de la barquette à au moins deux compartiments définie ci-dessus à partir de l'ébauche qui vient d'être mentionnée, par formage d'un film en un matériau déformable, à l'intérieur de cette ébauche, notamment par thermoformage d'un film thermoplastique, ce procédé étant caractérisé en ce que, préalablement à la phase de formage, on introduit dans l'ébauche, à travers la ou les découpes ménagées dans le fond de celle-ci et perpendiculairement à ce fond, un outil comportant une surface plane en forme de bande, qui est amenée à affleurer parallèlement au fond la partie supérieure des parois de l'ébauche disposées à chaque extrémité de la découpe et qui s'étend de façon continue entre ces deux parois, en ce que l'on amène deux organes mobiles dudit outil en regard, respectivement, des ouvertures ménagées à la partie supérieure desdites parois pour les engager dans ces ouvertures, chacun de ces organes comportant une partie plane, qui, dans cette position, est disposée sans discontinuité dans le prolongement de la surface plane de la partie supérieure dudit outil, en ce que l'on procède alors au formage du film déformable dans les deux compartiments définis dans l'ébauche par ledit outil, de manière à ce que ledit film forme à lui seul, pour chaque compartiment, une paroi contiguë audit outil, ces deux parois étant réunies par la portion dudit film s'étendant sur la surface plane de la partie supérieure de l'outil, et en ce que, après rigidification dudit film, on retire ledit outil de l'intérieur de la barquette à au moins deux compartiments ainsi réalisée, à travers la découpe séparant les fonds de ces compartiments.Finally, a subject of the invention is a method of manufacturing the tray with at least two compartments defined above from the blank which has just been mentioned, by forming a film of a deformable material at the same time. interior of this blank, in particular by thermoforming a thermoplastic film, this method being characterized in that, prior to the forming phase, is introduced into the blank, through the cutouts or cutouts in the bottom thereof and perpendicularly to this bottom, a tool having a strip-shaped flat surface, which is brought flush parallel to the bottom the upper part of the walls of the blank disposed at each end of the blank and which extends continuously between these two walls, in that one brings two movable members of said tool facing, respectively, openings formed in the upper part of said walls to engage in these openings, each of these members having a planar portion, which in this position is arranged without discontinuity in the extension of the flat surface of the upper part of said tool, in that the forming of the deformable film in the two compartments defined in FIG. roughing by said tool, so that said film forms on its own, for each compartment, a wall contiguous to said tool, these two walls being joined by the portion of said film extending on the flat surface of the upper part of the tool, and in that, after stiffening said film, said tool is removed from the inside of the tray to at least two compartments thus made, through the cutout separating the funds of these compartments.

Les barquettes à au moins deux compartiments réalisées par ce procédé entrent bien entendu dans le cadre de l'invention et elles sont reconnaissables par la ou les découpes séparant le fond des deux compartiments et par les ouvertures ménagées à la partie supérieure des parois de ces compartiments, au-dessous de la bande du film thermoformé qui les réunit.The trays with at least two compartments made by this method are, of course, within the scope of the invention and are recognizable by the cut-out (s) separating the bottom of the two compartments and by the openings made in the upper part of the walls of these compartments. , below the band of the thermoformed film that joins them together.

Une barquette à deux compartiments conforme à deux compartiments à l'invention et son procédé de fabrication vont maintenant être décrits ci-après plus en détail, à titre d'exemple, en référence aux dessins schématiques annexés. Sur ces dessins :

  • La figure 1 est une vue en plan du flan de carton ondulé dont est issue l'ossature de la barquette, ossature sur laquelle est ensuite thermoformé un film thermoplastique ;
  • La figure 2 est une vue de la barquette à deux compartiments réalisée à partir du flan de la figure 1 ;
  • Les figures 3 et 4 sont des vues schématiques en élévation, illustrant la réalisation de la paroi de chacun des deux compartiments de la barquette, constituée uniquement du film de matière thermoplastique thermoformé.
A two compartments tray according to two compartments of the invention and its manufacturing process will now be described below in more detail, by way of example, with reference to the accompanying schematic drawings. On these drawings:
  • Figure 1 is a plan view of the corrugated cardboard blank from which is derived the frame of the tray, frame on which is then thermoformed a thermoplastic film;
  • Figure 2 is a view of the tray with two compartments made from the blank of Figure 1;
  • Figures 3 and 4 are schematic views in elevation, illustrating the embodiment of the wall of each of the two compartments of the tray, consisting solely of the thermoformed thermoplastic film.

Le flan 1 en carton ondulé de la figure 1 comprend un fond 2 de forme générale rectangulaire, ici tronqué en 3 dans ses coins, sur lequel sont articulées par des lignes de pliage, suivant les côtés du rectangle, deux parois transversales 4 et deux parois longitudinales 5.The corrugated cardboard blank 1 of FIG. 1 comprises a bottom 2 of generally rectangular shape, here truncated at 3 in its corners, on which are articulated by fold lines, along the sides of the rectangle, two transverse walls 4 and two walls. longitudinal 5.

Chaque paroi transversale 4 se prolonge à ses extrémités par des parois d'angle 6, articulées sur la paroi 4 associée par une ligne de pliage, qui, lorsque le flan est mis en forme, est sensiblement perpendiculaire au fond, la base des panneaux 6 coïncidant alors sensiblement avec les bords tronqués 3 du fond 2. Sur les panneaux 6 sont articulés de façon analogue, par une ligne de pliage, des volets 7, destinés à venir s'appliquer contre la face interne de la paroi longitudinale 5 contiguë, deux rembordements 8, articulés par des doubles refoulages à la partie supérieure de chaque paroi 5, pouvant être rabattus contre les volets 7 et être verrouillés en cette position par engagement d'ergots 9, 10, dans des découpes 11, 12, ménagées dans le fond 2, à la base des parois 5. D'autres systèmes de montage pourraient naturellement être utilisés sans sortir du cadre de l'invention.Each transverse wall 4 is extended at its ends by corner walls 6 articulated on the wall 4 associated with a fold line, which, when the blank is shaped, is substantially perpendicular to the bottom, the base of the panels 6 then coinciding substantially with the truncated edges 3 of the bottom 2. On the panels 6 are articulated in a similar manner, by a fold line, flaps 7, intended to be applied against the inner face of the longitudinal wall 5 contiguous, two 8, articulated by double upsets at the upper part of each wall 5, which can be folded against the flaps 7 and locked in this position by engagement of lugs 9, 10, in cutouts 11, 12, formed in the bottom 2, at the base of the 5. Other mounting systems could of course be used without departing from the scope of the invention.

Des entablements 13 sont attenants par une ligne de pliage aux parois 5 et sont destinés à être rabattus perpendiculairement à ces parois dans les coins, pour y former des «trottoirs », qui, après mise en forme de la barquette et thermoformage d'un film en matière thermoplastique, serviront d'assise pour un opercule de fermeture et comme support au gerbage d'autres barquettes similaires.Entanglements 13 are adjacent by a fold line to the walls 5 and are intended to be folded perpendicular to these walls in the corners, to form "sidewalks", which after shaping the tray and thermoforming a film made of thermoplastic material, will serve as a seat for a closure cap and as a support for stacking other similar trays.

Les parois 4 et 5 peuvent être perpendiculaires au fond 2 ou disposées obliquement par rapport à celui-ci, en étant inclinées vers l'extérieur ou vers l'intérieur de la barquette, suivant les besoins et en fonction des produits conditionnés.The walls 4 and 5 may be perpendicular to the bottom 2 or arranged obliquely to it, being inclined outwardly or inwardly of the tray, depending on the needs and depending on the packaged products.

Conformément à l'invention, dans le fond 2 est ménagée une découpe 14, qui s'étend entre les parois 5 et divise le fond 2 en deux parties égales 2a, 2b. Dans la forme de réalisation du dessin, comme on le voit sur la figure 1, la découpe 14 est partiellement obturée par deux volets mobiles 15, articulés sur les parties de fond 2a, 2b, par des lignes de pliage disposées à égale distance des parois 4, chaque volet 15 ayant une largeur égale à la moitié de celle de la découpe 14.According to the invention, in the bottom 2 is formed a cutout 14, which extends between the walls 5 and divides the bottom 2 into two equal parts 2 a , 2 b . In the embodiment of the drawing, as seen in Figure 1, the blank 14 is partially closed by two movable flaps 15 hinged to the bottom portions 2 a, 2 b, by fold lines arranged at an equal distance walls 4, each flap 15 having a width equal to half that of the cutout 14.

Comme on le verra plus en détail ci-après, la découpe 14 est destinée à permettre l'introduction à la verticale, dans la barquette de carton ondulé préassemblée, d'un outil 16 destiné à séparer la barquette en deux compartiments.As will be seen in more detail below, the cutout 14 is intended to allow the introduction into the vertical, in the pre-assembled corrugated cardboard tray, of a tool 16 for separating the tray into two compartments.

A la partie supérieure des parois 5, à partir de leur arête et entre les rembordements 8, est ménagée une encoche 18, disposée sensiblement à égale distance des extrémités des parois 5. Dans chacune de ces parois 5 est prévue une bande d'arrachage 19 s'étendant sensiblement depuis la découpe 14 jusqu'à l'encoche 18 de cette paroi. Cette bande 19 est limitée latéralement par des lignes d'amorces de rupture, qui permettent de séparer les portions de parois 5 associées respectivement à chacun des compartiments.At the upper part of the walls 5, from their edge and between the overlays 8, is formed a notch 18, disposed substantially equidistant from the ends of the walls 5. In each of these walls 5 is provided a tear strip 19 extending substantially from the cutout 14 to the notch 18 of this wall. This band 19 is limited laterally by lines of failure primers, which allow to separate the wall portions 5 respectively associated with each of the compartments.

L'outil 16, ici de forme trapézoïdale, comporte deux faces latérales 20, planes et parallèles entre elles, tournées respectivement vers chacune des parois 4, et une partie supérieure plane en forme de bande parallèle au fond 2. Il est équipé latéralement de deux ergots 17 montés coulissants, actionnés par un système moteur logé dans l'outil 16 et dirigés vers les parois 5 de la barquette en carton. Ces ergots comportent eux aussi une partie supérieure plane, parallèle au fond 2, qui peut être amenée dans le prolongement, sans discontinuité, de la surface correspondante de l'outil 16, les ergots 17 venant s'engager dans cette position dans les encoches 18.The tool 16, here of trapezoidal shape, has two lateral faces 20, planar and parallel to each other, facing respectively to each of the walls 4, and a band-shaped flat upper part. parallel to the bottom 2. It is equipped laterally with two lugs 17 mounted sliding, actuated by a motor system housed in the tool 16 and directed towards the walls 5 of the cardboard tray. These lugs also comprise a flat upper part, parallel to the bottom 2, which can be brought into the extension, without discontinuity, of the corresponding surface of the tool 16, the lugs 17 coming into this position in the notches 18 .

La présence de l'outil 16 à l'intérieur de la barquette de carton ondulé, préalablement mise en forme, a pour effet que le film thermoplastique que l'on thermoforme gaine non seulement la surface interne de la barquette et ses rebords supérieurs, mais également :

  • d'une part, sans y adhérer, les deux faces latérales 20 de l'outil 16, pour former ainsi à l'intérieur de la barquette résultante (voir figure 2) deux cloisons souples 21, parallèles aux parois 4 de l'ébauche en carton ondulé, qui réunissent les parties des cloisons 5 séparées par la bande 19, elles-mêmes gainées du film thermoplastique, en délimitant ainsi deux compartiments distincts 22 ;
  • d'autre part, la surface supérieure plane de l'outil 16 et des ergots 17, pour former une bande continue 23, qui est raccordée latéralement aux cloisons 21 et qui réunit les rebords supérieurs des parois 5 opposées.
The presence of the tool 16 inside the corrugated cardboard tray, previously shaped, has the effect that the thermoplastic film that is thermoformed sheath not only the inner surface of the tray and its upper edges, but also:
  • on the one hand, without adhering, the two lateral faces 20 of the tool 16, to thus form inside the resulting tray (see Figure 2) two flexible partitions 21, parallel to the walls 4 of the blank in corrugated cardboard, which bring together the parts of the partitions 5 separated by the strip 19, themselves sheathed with the thermoplastic film, thus delimiting two distinct compartments 22;
  • on the other hand, the flat upper surface of the tool 16 and lugs 17, to form a continuous strip 23, which is laterally connected to the partitions 21 and which joins the upper flanges of the opposite walls 5.

Les deux compartiments 22 de la barquette résultante peuvent être aisément obturés à l'aide d'un même opercule s'étendant sur les entablement 13, sur les bords supérieurs des compartiments et sur les parties du film thermoplastique débordant vers l'extérieur et venues de thermoformage, à la partie supérieure de la barquette, sur lesquels il est thermoscellé.The two compartments 22 of the resulting tray can be easily closed by means of a single lid extending over the entablature 13, on the upper edges of the compartments and on the portions of the thermoplastic film protruding outwards and coming from thermoforming, at the top of the tray, on which it is heat sealed.

Comme indiqué ci-dessus, les deux compartiments 22 peuvent contenir des denrées alimentaires différentes ou non, ou d'autres produits, ou encore deux portions d'une même denrée, dont l'une peut être consommée et l'autre conservée dans un réfrigérateur ou un congélateur ou mise en attente.As indicated above, the two compartments 22 may contain different foodstuffs or not, or other products, or two portions of the same food, one of which can be consumed and the other stored in a refrigerator or a freezer or put on hold.

Pour séparer les deux compartiments, une ligne d'amorces de rupture 24 peut être prévue dans la bande 23, parallèlement aux bords latéraux de celle-ci, et il suffira alors à l'utilisateur de séparer les deux parties de cette bande 23 et de détacher les bandes 19 des parois 5.To separate the two compartments, a line of rupture primer 24 may be provided in the strip 23, parallel to the side edges thereof, and it will then be sufficient for the user to separate the two parts of this strip 23 and detach the strips 19 from the walls 5.

La forme de mise en oeuvre de l'invention qui vient d'être décrite concerne une barquette à deux compartiments, mais il est clair qu'elle s'applique également, sans aucun problème, à des barquettes à trois compartiments ou davantage.The embodiment of the invention which has just been described It concerns a two-compartment container, but it is clear that it also applies, without any problem, to trays with three compartments or more.

L'invention apporte donc un moyen simple et facile à mettre en oeuvre, par des techniques usuelles de thermoformage, pour réaliser une barquette en un matériau semi-rigide, doublée intérieurement d'un matériau déformable, par exemple d'un matériau thermoplastique thermoformé, qui comporte au moins deux compartiments distincts séparables aisément l'un de l'autre.The invention thus provides a simple and easy way to implement, by conventional thermoforming techniques, to produce a container made of a semi-rigid material, lined internally with a deformable material, for example a thermoformed thermoplastic material, which comprises at least two separate compartments easily separable from one another.

Claims (10)

Barquette en un matériau semi-rigide tel que le carton, le carton ondulé ou similaire, comprenant au moins deux compartiments distincts (22) attenants, revêtus chacun intérieurement et suivant leur bord supérieur d'un film en une matière déformable, notamment en matière thermoplastique thermoformée, chaque compartiment comprenant une partie de fond (2a, 2b) disposée dans le prolongement de celle du compartiment contigu, tandis que leurs parois latérales contiguës (4, 5, 6) sont disposées dans le prolongement les unes des autres, ou attenantes et équipées alors d'un moyen (19) de séparation manuelle, les compartiments (22) étant disposés ou non symétriquement par rapport à un plan médian de la barquette perpendiculaire à leurs fonds, cette barquette étant caractérisée en ce que, chaque compartiment (22) comporte au voisinage du compartiment contigu une paroi (21) perpendiculaire au fond qui est dépourvue d'un support en carton ondulé et constituée uniquement dudit film de matière déformable, et en ce que ce film réunit les deux parois (21) contiguës des deux compartiments (22), à la partie supérieure de celles-ci, en formant une bande plane (23) parallèle à leurs fonds (2a, 2b) et située à une distance telle de ceux-ci qu'un opercule de fermeture de la barquette puisse prendre appui sur cette bande et en être rendu solidaire.Tray made of a semi-rigid material such as cardboard, corrugated cardboard or the like, comprising at least two separate compartments (22) contiguous, each coated internally and according to their upper edge with a film of deformable material, in particular thermoplastic material thermoformed, each compartment comprising a bottom portion (2, 2b) disposed in the extension of that of the adjacent compartment, whereas their adjacent side walls (4, 5, 6) are arranged in the extension of each other, or adjacent and then equipped with a means (19) for manual separation, the compartments (22) being arranged or not symmetrically with respect to a median plane of the tray perpendicular to their bottoms, this tray being characterized in that , each compartment ( 22) comprises in the vicinity of the contiguous compartment a wall (21) perpendicular to the bottom which is devoid of a corrugated cardboard support and constituted said film of deformable material, and in that this film joins the two contiguous walls (21) of the two compartments (22), at the upper part thereof, forming a flat strip (23) parallel to their bottoms ( 2 a , 2 b ) and located at a distance such that a closing cap of the tray can be supported on this strip and be made integral. Barquette selon la revendication 1, caractérisée en ce que, suivant les bords latéraux de la découpe (14) ménagée dans la partie de fond (2) en un matériau semi-rigide sont articulés par des lignes de pliage des volets (15) mobiles par rapport à cette partie de fond et dont la largeur est égale à la moitié de celle de la découpe (14).Tray according to claim 1, characterized in that , along the lateral edges of the cutout (14) formed in the bottom portion (2) of a semi-rigid material are articulated by folding lines of the flaps (15) movable by relative to this bottom portion and whose width is equal to half that of the cutout (14). Barquette selon l'une des revendications 1 ou 2, caractérisée en ce que, dans les parois (5) entre lesquelles s'étend la découpe (14) sont ménagées des bandes d'arrachage (19) disposées dans le prolongement de cette découpe et raccordées à celle-ci.Tray according to one of claims 1 or 2, characterized in that in the walls (5) between which the cutout (14) extends are provided tear strips (19) arranged in the extension of this cut and connected to it. Barquette selon la revendication 3, caractérisée en ce que des encoches (18) ménagées à la partie supérieure des parois (5) sont situées dans le prolongement des bandes d'arrachage (19).Tray according to claim 3, characterized in that notches (18) formed at the upper part of the walls (5) are located in the extension of the tear strips (19). Ebauche en un matériau semi-rigide tel que le carton, le carton ondulé ou autre, de la barquette selon la revendication 1, cette ébauche ayant la forme des barquettes usuelles comportant un unique compartiment, avec une partie de fond (2) et des parois latérales (4, 5, 6) dressées perpendiculairement ou obliquement par rapport à celle-ci, et présentant un plan médian de symétrie perpendiculaire à ce fond, cette ébauche étant caractérisée en ce que, dans sa partie de fond (2), parallèlement au plan de symétrie, est ménagée au moins une découpe (14) s'étendant suivant la direction de celui-ci, entre deux parois latérales opposées (5) de l'ébauche, de manière à pouvoir introduire par cette ouverture (14), perpendiculairement au fond, un outil dont la plus grande dimension dans le plan de symétrie est inférieure ou égale à celle séparant lesdites parois opposées (5), et en ce qu'à la partie supérieure desdites parois opposées (5), à l'aplomb des extrémités de ladite découpe, sont ménagées à partir de leur arête supérieure des ouvertures (18) permettant d'y engager des parties mobiles commandées (17) dudit outil.Roughing out of a semi-rigid material such as cardboard, corrugated cardboard or the like, from the tray according to claim 1, this blank having the shape of the usual trays comprising a single compartment, with a bottom portion (2) and side walls (4, 5, 6) erected perpendicularly or obliquely thereto, and having a median plane of symmetry perpendicular to said bottom, said blank being characterized in that that , in its bottom part (2), parallel to the plane of symmetry, is provided at least one cutout (14) extending in the direction thereof, between two opposite side walls (5) of the blank, so as to be able to introduce through this opening (14), perpendicularly to the bottom, a tool whose largest dimension in the plane of symmetry is less than or equal to that separating said opposite walls (5), and in that the part upper of said opposite walls (5), in line with the ends of said cutout, are formed from their upper edge openings (18) for engaging there controlled movable parts (17) of said tool. Flan prédécoupé et refoulé en un matériau semi-rigide tel que le carton, le carton ondulé ou autre, pour la réalisation d'une ébauche selon la revendication 5, ce flan comprenant un panneau (2) de forme générale sensiblement rectangulaire, éventuellement tronqué dans ses coins (3), destiné à former le fond de l'ébauche, et des panneaux (4, 5) articulés par des lignes de pliage suivant les bords du panneau rectangulaire (2), ce flan étant caractérisé en ce que, dans ce panneau (2) est ménagée, parallèlement aux bords suivant lesquels sont articulés deux panneaux opposés (4), au moins une découpe (14) s'étendant entre les panneaux (5) articulés suivant les autres bords, perpendiculairement aux lignes de pliage par lesquelles ces panneaux sont articulés sur le panneau du fond.Blank precut and repressed in a semi-rigid material such as cardboard, corrugated cardboard or other, for the production of a blank according to claim 5, this blank comprising a panel (2) of generally rectangular shape, possibly truncated in its corners (3), intended to form the bottom of the blank, and panels (4, 5) articulated by fold lines along the edges of the rectangular panel (2), this blank being characterized in that , in this panel (2) is formed, parallel to the edges in which are articulated two opposite panels (4), at least one cutout (14) extending between the panels (5) articulated along the other edges, perpendicular to the fold lines by which these panels are articulated on the bottom panel. Flan selon la revendication 6, caractérisé en ce que, suivant les bords de la découpe (14) parallèles aux panneaux (4) sont articulés par des lignes de pliage des volets (15) de largeur sensiblement égale à la moitié de la largeur de la découpe.Blank according to claim 6, characterized in that , along the edges of the blank (14) parallel to the panels (4) are articulated by fold lines flaps (15) of width substantially equal to half the width of the cutting. Flan selon l'une des revendications 6 et 7, caractérisé en ce que, dans le prolongement de la découpe (14) sont ménagées deux encoches (18) suivant les bords des panneaux (5) entre lesquels s'étend cette encoche non contigus au panneau (2).Blank according to one of claims 6 and 7, characterized in that , in the extension of the cutout (14) are provided two notches (18) along the edges of the panels (5) between which extends this slot not contiguous to the panel (2). Flan selon la revendication 8, caractérisé en ce que, dans les panneaux (5), une bande d'arrachage (19) est ménagée entre l'extrémité contiguë de la découpe (14) et l'encoche (18).Blank according to claim 8, characterized in that , in the panels (5), a tear strip (19) is formed between the contiguous end of the blank (14) and the notch (18). Procédé pour réaliser une barquette selon la revendication 1 à partir de l'ébauche selon la revendication 5, par formage d'un film déformable à l'intérieur de cette ébauche éventuellement préencollée, notamment par thermoformage d'un film thermoplastique, ce procédé étant caractérisé en ce que, préalablement à la phase de formage, on introduit dans l'ébauche, à travers la ou les découpes (14) ménagée dans le fond (2) de celle-ci et perpendiculairement à ce fond, un outil (16) comportant une surface plane en forme de bande, qui est amenée à affleurer parallèlement au fond la partie supérieure des parois (5) de l'ébauche disposées à chaque extrémité de la découpe (14) et qui s'étend de façon continue entre ces deux parois, en ce que l'on amène deux organes mobiles (17) dudit outil (16) en regard, respectivement, des ouvertures ménagées à la partie supérieure desdites parois pour les engager dans ces ouvertures, chacun de ces organes (17) comportant une partie plane, qui, dans cette position, est disposée sans discontinuité dans le prolongement de la surface plane de la partie supérieure dudit outil (16), en ce que l'on procède alors au formage du film déformable dans les deux compartiments définis dans l'ébauche par ledit outil, de manière à ce que ledit film forme à lui seul, pour chaque compartiment, une paroi (21) contiguë audit outil, ces deux parois (21) étant réunies par la portion (23) dudit film s'étendant sur la surface plane de la partie supérieure de l'outil, et en ce que, après rigidification dudit film, on retire ledit outil (16) de l'intérieur de la barquette à au moins deux compartiments (22) ainsi réalisée, à travers la découpe séparant les fonds (2a, 2b) de ces compartiments.A method for producing a tray according to claim 1 from the blank according to claim 5, by forming a deformable film inside the pre-bonded blank, in particular by thermoforming a thermoplastic film, this method being characterized in that , prior to the forming step, a tool (16) is introduced into the blank, through the cut-out (s) (14) formed in the bottom (2) thereof and perpendicular thereto; a strip-shaped flat surface, which is flush with the bottom of the upper part of the walls (5) of the blank disposed at each end of the blank (14) and which extends continuously between these two walls; , in that two movable members (17) of said tool (16) are brought into register, respectively, with openings made at the upper part of said walls to engage them in these openings, each of these members (17) comprises a planar portion, which in this position is arranged without discontinuity in the extension of the flat surface of the upper part of said tool (16), in that the deformable film is then formed in the two defined compartments in the blank by said tool, so that said film alone forms, for each compartment, a wall (21) contiguous to said tool, these two walls (21) being joined by the portion (23) of said film extending on the flat surface of the upper part of the tool, and in that , after stiffening said film, said tool (16) is removed from the inside of the tray to at least two compartments (22) thus produced, through the cut separating the bottoms (2, 2b) of these compartments.
EP06290689A 2005-05-03 2006-04-28 Tray made of semi-rigid material, lined with a thermoformed inner film of thermoplastic material Not-in-force EP1719708B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0504488A FR2885351B1 (en) 2005-05-03 2005-05-03 NEW TRAY IN SEMI-RIGID MATERIAL, DOUBLELY INSULATED WITH A FILM OF TRANSFORMED THERMOPLASTIC MATERIAL

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EP1719708A1 true EP1719708A1 (en) 2006-11-08
EP1719708B1 EP1719708B1 (en) 2008-02-20

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EP (1) EP1719708B1 (en)
AT (1) ATE386689T1 (en)
DE (1) DE602006000546T2 (en)
ES (1) ES2303317T3 (en)
FR (1) FR2885351B1 (en)
PT (1) PT1719708E (en)

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Publication number Priority date Publication date Assignee Title
FR2917382A1 (en) * 2007-06-15 2008-12-19 Saica France Sa Plate type package for e.g. candy, has gripping orifice gripping central part by base to detach and separate part, and assembling panels divided in parts remote from and closer to articulation folds, respectively
EP3912922A1 (en) * 2020-05-20 2021-11-24 Sorting Packaging and packing method allowing viewing of foodstuffs

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US4202465A (en) * 1978-07-21 1980-05-13 Champion International Corporation Divided food container
JPH08119261A (en) * 1994-10-25 1996-05-14 Mitsubishi Corp Packaging container for food
US20040043881A1 (en) * 2002-08-27 2004-03-04 Mark Taylor Multi-use packing structure and method of forming same

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Publication number Priority date Publication date Assignee Title
DE2236414A1 (en) * 1972-07-25 1974-02-14 Siegfried Dipl Kfm Leonhardt FOLDABLE COLLECTIVE PACKAGING FOR LADIES 'STOCKINGS, LINEN OR CHOCOLATE BARS OR THE LIKE
US4202465A (en) * 1978-07-21 1980-05-13 Champion International Corporation Divided food container
JPH08119261A (en) * 1994-10-25 1996-05-14 Mitsubishi Corp Packaging container for food
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917382A1 (en) * 2007-06-15 2008-12-19 Saica France Sa Plate type package for e.g. candy, has gripping orifice gripping central part by base to detach and separate part, and assembling panels divided in parts remote from and closer to articulation folds, respectively
EP3912922A1 (en) * 2020-05-20 2021-11-24 Sorting Packaging and packing method allowing viewing of foodstuffs
WO2021234232A1 (en) * 2020-05-20 2021-11-25 Sorting Package and packaging method enabling the viewing of foodstuffs

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Publication number Publication date
FR2885351B1 (en) 2007-07-27
EP1719708B1 (en) 2008-02-20
FR2885351A1 (en) 2006-11-10
PT1719708E (en) 2008-05-20
ATE386689T1 (en) 2008-03-15
DE602006000546T2 (en) 2009-02-19
DE602006000546D1 (en) 2008-04-03
ES2303317T3 (en) 2008-08-01

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