EP0051545A1 - Tray of a plastic material, particularly a thermoplastic material, for objects having different forms, such as fruits and vegetables - Google Patents
Tray of a plastic material, particularly a thermoplastic material, for objects having different forms, such as fruits and vegetables Download PDFInfo
- Publication number
- EP0051545A1 EP0051545A1 EP81401767A EP81401767A EP0051545A1 EP 0051545 A1 EP0051545 A1 EP 0051545A1 EP 81401767 A EP81401767 A EP 81401767A EP 81401767 A EP81401767 A EP 81401767A EP 0051545 A1 EP0051545 A1 EP 0051545A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tray
- objects
- stretchable
- vegetables
- bellows
- 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.)
- Withdrawn
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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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/34—Trays or like shallow containers
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
Definitions
- the invention relates to a tray - also designated in the art by the term "cradle of wedging" - in a semi-rigid material for the packaging of fruit, vegetables or, more generally, products of various shapes.
- a packaging method increasingly used for fruits and vegetables consists of housing them in a tray made of a semi-rigid material (cardboard, plastic, etc.), which is then wrapped with its content using a sheet of stretchable or shrinkable plastic or a stretchable plastic net or other type of material.
- the conditioned objects are thus held firmly in position and it is possible to deliver them to the retailer in the same form where they will be put up for sale, in lots of four, six, eight objects or even more.
- the present invention aims to remedy these drawbacks by proposing a tray which can be deformed to adapt to the size of the objects to be packaged, while then tightly enclosing them, under the stress of the film of stretchable or shrinkable plastic or of the plastic stretch net.
- the subject of the invention is a tray made of a thermoplastic material, comprising a bottom and substantially continuous side walls, characterized in that said walls comprise at least one projecting part, forming a bellows and directed inwards or the outside of the tray, preferably with a cut or notch at its upper edge, in order to be able to deform under the stress of the packaged objects and / or the sheath of stretchable or retractable plastic material enveloping said tray and said objects.
- bellows parts will preferably be arranged at the contact planes of the adjoining objects. Their dimensions can be absolutely arbitrary and, ultimately, two parts of side walls parallels may come into substantial contact with one of the nutres to form a partition between the continuous objects.
- the deformations of the tray will be substantially elastic.
- the cuts or notches provided in the upper part or bellows are naturally intended to facilitate the deformation of these bellows.
- the tray may deform laterally and longitudinally, expanding and flaring, to adapt to the dimensions of the objects, without injuring them, which will be held firmly in position by the shrink or stretch film or by the stretch plastic net or any other material, which stresses them as well as the tray.
- the tray will be compressed by said film to contract and thus adapt to the size of the objects.
- the tray shown in the drawings is produced by thermoforming a thermoplastic material (polyvinyl chloride or the like) and has a generally rectangular section. It has a bottom 1, two longitudinal walls 2 and two transverse walls 3 connecting to the previous ones continuously in the corners by curved parts 4.
- This tray is intended to receive two rows of three fruits and, to separate the sweet rows longitudinally, the bottom 1 has a projecting part 5, forming a partition.
- the longitudinal 2 and transverse 3 walls include projecting parts, respectively 6 and 7, cut at their upper part, respectively at 6 'and 7'.
- These projecting parts are arranged along the contact planes of the various objects, thereby defining cells for the accommodation thereof.
- Their dimensions can be absolutely arbitrary, depending on the desired effect.
- These parts can possibly be engaged between the objects to be packaged and thus ensure their separation.
- the invention therefore provides a simple and inexpensive means of adapting the size of the trays to that of the fruits, vegetables or other objects housed therein, thus making it possible to package in the same type of tray and to overwrap with plastic film objects of different sizes, without complicating the packaging operations and virtually eliminating the risk of deterioration of these objects.
- the tray according to the invention is therefore particularly useful.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Packaging Frangible Articles (AREA)
- Packages (AREA)
- Buffer Packaging (AREA)
Abstract
Description
L'invention concerne une barquette -désignée aussi dans la technique par le terme "berceau de calage"- en un matériau semi-rigide pour le conditionnement de fruits, de légumes ou, plus généralement, de produits de formes diverses.The invention relates to a tray - also designated in the art by the term "cradle of wedging" - in a semi-rigid material for the packaging of fruit, vegetables or, more generally, products of various shapes.
Elle concerne plus particulièrement une barquette ou berceau de calage en une matière thermoplastique, réalisée par thermoformage, et c'est à ce type de barquette que l'on se référera dans la suite de la présente description, sans que cela implique toutefois une limitation de l'invention.It relates more particularly to a tray or cradle for wedging in a thermoplastic material, produced by thermoforming, and it is this type of tray that will be referred to in the remainder of this description, without this however implying a limitation of the invention.
On sait qu'un mode de conditionnement de plus en plus utilisé pour les fruits et les légumes consiste à les loger dans une barquette en un matériau semi-rigide (carton, matière plastique etc...), que l'on enveloppe ensuite avec son contenu à l'aide d'une feuille d'une matière plastique étirable ou rétractable ou d'un filet plastique étirable ou d'un autre type de matériau. Les objets conditionnés sont ainsi maintenus fermement en position et il est possible de les livrer au détaillant sous la forme même où ils seront mis en vente, en lots de quatre, six, huit objets ou même davantage.We know that a packaging method increasingly used for fruits and vegetables consists of housing them in a tray made of a semi-rigid material (cardboard, plastic, etc.), which is then wrapped with its content using a sheet of stretchable or shrinkable plastic or a stretchable plastic net or other type of material. The conditioned objects are thus held firmly in position and it is possible to deliver them to the retailer in the same form where they will be put up for sale, in lots of four, six, eight objects or even more.
C'est ainsi que, dans le commerce, des poires, des pommes, des tomates etc... sont présentées à l'acheteur dans de tels conditionnements, qui les protègent d'un contact direct avec les mains des vendeurs ou des acheteurs ou avec les objets environnants, suivant le matériau utilisé, sans pour autant les séparer de l'atmosphère ambiante nécessaire à leur bonne conservation, avec laquelle ils restent en communication à travers le film ou filet étirable ou rétractable, qui est de préférence perméable aux gaz.This is how, in trade, pears, apples, tomatoes, etc. are presented to the buyer in such packages, which protect them from direct contact with the hands of sellers or buyers, or with the surrounding objects, depending on the material used, without however separating them from the ambient atmosphere necessary for their good preservation, with which they remain in communication through the film or stretchable or retractable net, which is preferably permeable to gases.
Dans la pratique, cependant, ces conditionnements présentent un certain nombre d'inconvénients. En effet, quelle que soit l'origine des fruits ou des légumes à conditionner et quel que soit le soin que l'on apporte à les trier en fonction de leur volume, leur taille est essentiellement variable, alors que les centres de conditionnement en chaîne sont équipés de machines adaptées à des types déterminés de barquettes ou berceaux de calage. Si les fruits sont trop petits, ils n'occupent pas tout le volume de la barquette qui leur est destiné et, malgré la pellicule étirable ou rétractable qui les enserre, ils ne sont pas maintenus assez fermement et risquent de se déplacer, en se heurtant les uns contre les autres. Au contraire, s'ils sont trop volumineux, ils débordent latéralement au-dessus des parois de la barquette et risquent d'être "blessés" et même entaillés par l'arête supérieure de cette paroi.In practice, however, these packages have a number of drawbacks. Indeed, whatever the origin of the fruits or vegetables to be packaged and whatever care is taken to sort them according to their volume, their size is essentially variable, while chain-based packing centers are equipped with machines adapted to specific types of trays or wedging cradles. If the fruits are too small, they do not occupy the entire volume of the tray intended for them and, despite the stretchable or retractable film which encloses them, they are not held firmly enough and may move, colliding against each other. On the contrary, if they are too bulky, they extend laterally above the walls of the tray and risk being "injured" and even cut by the upper edge of this wall.
Bien entendu, on pourrait utiliser des barquettes de dimensions différentes, que l'on choisirait en fonction de la taille des objets à conditionner. Mais, en général, les services de conditionnement ne savent jamais à l'avance quelles seront les caractéristiques des objets à emballer et ils doivent pouvoir traiter, pratiquement sans préavis, n'importe quel type de fruits et légumes. En outre, la sélection d'une barquette spécialement adaptée aux dimensions des objets à emballer compliquerait considérablement les opérations d'emballage en série et se révèlerait donc très coûteuse.Of course, one could use trays of different dimensions, which one would choose according to the size of the objects to be packaged. However, in general, the packaging services never know in advance what the characteristics of the objects to be packaged will be and they must be able to process, almost without notice, any type of fruit and vegetables. In addition, the selection of a tray specially adapted to the dimensions of the objects to be packaged would considerably complicate mass packaging operations and would therefore prove to be very costly.
La présente invention vise à remédier à ces inconvénients en proposant une barquette qui puisse se déformer pour s'adapter à la dimension des objets à conditionner, tout en les enserrant ensuite étroitement, sous la sollicitation du-film de matière plastique étirable ou rétractable ou du filet plastique étirable.The present invention aims to remedy these drawbacks by proposing a tray which can be deformed to adapt to the size of the objects to be packaged, while then tightly enclosing them, under the stress of the film of stretchable or shrinkable plastic or of the plastic stretch net.
A cet effet, l'invention à pour objet une barquette en une matière thermoplastique, comprenant un fond et des parois latérales sensiblement continues, caractérisée en ce que lesdites parois comportent au moins une partie en saillie, formant soufflet et dirigée vers l'intérieur ou l'extérieur de la barquette, avec de préférence une découpe ou entaille au niveau de son arête supérieure, en vue de pouvoir se déformer sous la sollicitation des objets.conditionnés et/ou de la gaine de matière plastique étirable ou rétractable enveloppant ladite barquette et lesdits objets.To this end, the subject of the invention is a tray made of a thermoplastic material, comprising a bottom and substantially continuous side walls, characterized in that said walls comprise at least one projecting part, forming a bellows and directed inwards or the outside of the tray, preferably with a cut or notch at its upper edge, in order to be able to deform under the stress of the packaged objects and / or the sheath of stretchable or retractable plastic material enveloping said tray and said objects.
Bien entendu, lesdites parties formant soufflet seront de préférence disposées au niveau des plans de contact des objets contigus. Leurs dimensions pourront être absolument quelconques et, à la limite, deux parties de parois latérales parallèles pourront venir sensiblement au contact les unes des nutres pour former une cloison de séparation entre les objets continus.Of course, said bellows parts will preferably be arranged at the contact planes of the adjoining objects. Their dimensions can be absolutely arbitrary and, ultimately, two parts of side walls parallels may come into substantial contact with one of the nutres to form a partition between the continuous objects.
En coupe parallèlement au fond, leur section pourra δtre absolument quelconque, rectangulaire, trapézoïdale ou arrondie, la forme la plus simple étant naturellement celle d'un pli en accordéon.In section parallel to the bottom, their section can be absolutely arbitrary, rectangular, trapezoidal or rounded, the simplest form being naturally that of an accordion fold.
Dans le cas d'une matière thermoplastique, les déformations de la barquette seront sensiblement élastiques.In the case of a thermoplastic material, the deformations of the tray will be substantially elastic.
Les découpes ou entailles prévues à la partie supérieure ou soufflet sont naturellement destinées à faciliter la déformation de ces soufflets.The cuts or notches provided in the upper part or bellows are naturally intended to facilitate the deformation of these bellows.
On conçoit que, dans ces conditions, dans le cas d'objets volumineux, la barquette pourra se déformer latéralement et longitudinalement, en se dilatant et s'évasant, pour s'adapter aux dimensions des objets, sans blesser ceux-ci, qui seront maintenus fermement en position par le film rétractable ou étirable ou par le filet plastique étirable ou tout autre matériau, qui les sollicite ainsi que la barquette.It is understood that, under these conditions, in the case of bulky objects, the tray may deform laterally and longitudinally, expanding and flaring, to adapt to the dimensions of the objects, without injuring them, which will be held firmly in position by the shrink or stretch film or by the stretch plastic net or any other material, which stresses them as well as the tray.
Au contraire, dans le cas d'objets de faible volume, la barquette sera comprimée par ledit film pour se contracter et s'adapter ainsi à la taille des objets.On the contrary, in the case of small volume objects, the tray will be compressed by said film to contract and thus adapt to the size of the objects.
Les dessins annexés, qui n'ont pas de caractére limitatif, illustrent une forme de réalisation de la barquette selon l'invention. Sur ces dessins :
- Les figures 1 et 2 sont des vues de la barquette, respectivement de dessus et en perspective ;
- La figure 3 est une vue en perspective de la barquette remplie de fruits et gainée d'un film rétractable ou étirable.
- Figures 1 and 2 are views of the tray, respectively from above and in perspective;
- Figure 3 is a perspective view of the tray filled with fruit and sheathed with a shrink or stretch film.
La barquette représentée sur les dessins est réalisée par thermoformage d'une matière thermoplastique (polychlorure de vinyle ou autre) et a une section de forme générale rectangulaire. Elle comporte un fond 1, deux parois longitudinales 2 et deux parois transversales 3 se raccordant aux précédentes de façon continue dans les angles par des parties incurvées 4. Cette barquette est destinée à recevoir deux rangées de trois fruits et, pour séparer longitudinalement les doux rangées, le fond 1 comporte une partie en saillie 5, formant cloison.The tray shown in the drawings is produced by thermoforming a thermoplastic material (polyvinyl chloride or the like) and has a generally rectangular section. It has a
Conformément à l'invention, les parois longitudinales 2 et transversales 3 comprennent des parties en saillie, respectivement 6 et 7, découpées à leur partie supérieure, respectivement en 6' et 7'. Ces parties en saillie sont disposées suivant les plans de contact des différents objets, en définissant ainsi des alvéoles pour le logement de ceux-ci. Leurs dimensions peuvent être absolument quelconques, en fonction de l'effet recherché. Ces parties peuvent éventuellement être engagées entre les objets à conditionner et assurer ainsi leur séparation.According to the invention, the longitudinal 2 and transverse 3 walls include projecting parts, respectively 6 and 7, cut at their upper part, respectively at 6 'and 7'. These projecting parts are arranged along the contact planes of the various objects, thereby defining cells for the accommodation thereof. Their dimensions can be absolutely arbitrary, depending on the desired effect. These parts can possibly be engaged between the objects to be packaged and thus ensure their separation.
Ces parties 6 et 7, avec leur découpe supérieure 6' et 7', peuvent ainsi se déformer à la manière d'un soufflet, pour permettre aux parois 2 et 3 de s'adapter à la taille des objets 8 logés dans la barquette, des oranges par exemple (figure 3). Si ces objets sont très volumineux, les soufflets 6 et 7 pourront s'ouvrir sous leur poussée en accroissant ainsi la longueur efficace des parois. Les objets n'en seront pas moins fermement maintenus en position dans la barquette sous la sollicitation du film 9 de matière étirable ou rétractable, qui entourera ensuite la barquette pleine. Be même, si les objets sont de petite taille et ne remplissent pas complètement la barquette, le film 9 comprimera les soufflets 6 et 7 en raccourcissant la longueur efficace des parois, pour amener celles-ci en contact étroit avec les objets et pour maintenir ces derniers en place.These
L'invention propose donc un moyen simple et peu coûteux pour adapter la dimension des barquettes à celle des fruits, légumes ou autres objets qui y sont logés, en permettant ainsi de conditionner dans un même type de barquette et de suremballer avec un film plastique des objets de tailles différentes, sans compliquer les opérations de conditionnement et en éliminant de façon pratiquement complète les risques de détérioration de ces objets.The invention therefore provides a simple and inexpensive means of adapting the size of the trays to that of the fruits, vegetables or other objects housed therein, thus making it possible to package in the same type of tray and to overwrap with plastic film objects of different sizes, without complicating the packaging operations and virtually eliminating the risk of deterioration of these objects.
Dans aon application à l'emballage de fruits et de légumes, la barquette conforme à l'ïnvention se révèle donc particulièrement utile.In an application to the packaging of fruits and vegetables, the tray according to the invention is therefore particularly useful.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8023531A FR2493270A1 (en) | 1980-11-04 | 1980-11-04 | TRAY IN A SEMI-RIGID MATERIAL, PARTICULARLY IN A THERMOPLASTIC MATERIAL, FOR PACKAGING OBJECTS OF VARIOUS FORMS, SUCH AS FRUIT AND VEGETABLES. |
FR8023531 | 1980-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0051545A1 true EP0051545A1 (en) | 1982-05-12 |
Family
ID=9247663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81401767A Withdrawn EP0051545A1 (en) | 1980-11-04 | 1981-11-04 | Tray of a plastic material, particularly a thermoplastic material, for objects having different forms, such as fruits and vegetables |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0051545A1 (en) |
FR (1) | FR2493270A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994013553A1 (en) * | 1992-12-09 | 1994-06-23 | Ökopack Gmbh Ökologische Verpackungssysteme | Packaging unit |
US5423453A (en) * | 1993-05-21 | 1995-06-13 | Mobil Oil Corporation | Microwaveable container |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1169340A (en) * | 1957-03-12 | 1958-12-26 | Packaging for fruits and all other products | |
FR1419433A (en) * | 1964-01-02 | 1965-11-26 | Keyes Fibre Co | Packing tray |
FR1423619A (en) * | 1962-11-23 | 1966-01-07 | Multicup Automation Company | Multiple receptacle container |
US3288347A (en) * | 1965-01-15 | 1966-11-29 | Mobil Oil Corp | Support tray for produce packaging |
FR1504745A (en) * | 1966-10-18 | 1967-12-08 | fruit packaging case |
-
1980
- 1980-11-04 FR FR8023531A patent/FR2493270A1/en active Granted
-
1981
- 1981-11-04 EP EP81401767A patent/EP0051545A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1169340A (en) * | 1957-03-12 | 1958-12-26 | Packaging for fruits and all other products | |
FR1423619A (en) * | 1962-11-23 | 1966-01-07 | Multicup Automation Company | Multiple receptacle container |
FR1419433A (en) * | 1964-01-02 | 1965-11-26 | Keyes Fibre Co | Packing tray |
US3288347A (en) * | 1965-01-15 | 1966-11-29 | Mobil Oil Corp | Support tray for produce packaging |
FR1504745A (en) * | 1966-10-18 | 1967-12-08 | fruit packaging case |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994013553A1 (en) * | 1992-12-09 | 1994-06-23 | Ökopack Gmbh Ökologische Verpackungssysteme | Packaging unit |
US5423453A (en) * | 1993-05-21 | 1995-06-13 | Mobil Oil Corporation | Microwaveable container |
Also Published As
Publication number | Publication date |
---|---|
FR2493270B3 (en) | 1983-08-26 |
FR2493270A1 (en) | 1982-05-07 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LU NL SE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19830414 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BLANCHOIN, PIERRE Inventor name: ARASSE, GUY |