EP2851310B1 - Isothermal packaging, Method - Google Patents

Isothermal packaging, Method Download PDF

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Publication number
EP2851310B1
EP2851310B1 EP14185646.8A EP14185646A EP2851310B1 EP 2851310 B1 EP2851310 B1 EP 2851310B1 EP 14185646 A EP14185646 A EP 14185646A EP 2851310 B1 EP2851310 B1 EP 2851310B1
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EP
European Patent Office
Prior art keywords
panel
cavities
panels
packaging
packaging according
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EP14185646.8A
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German (de)
French (fr)
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EP2851310A1 (en
Inventor
Hassane Outzinout
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Knauf Industries Gestion SAS
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Knauf Industries Gestion SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
    • B65D11/1866—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected with detachable components
    • B65D11/1873—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected with detachable components all walls are detached from each other to collapse the container

Definitions

  • the present invention relates to an isothermal package and an isothermal packaging process.
  • the present invention relates more particularly to an isothermal packaging in the form of a box.
  • Such packaging finds its application, especially in the field of health (transport and storage of drugs, vaccines, organs, ...) but also in the food industry for packaging and / or packaging fresh products such as fish or seafood (shellfish, crustaceans, ...) as well as in any other field of application where the thermal insulation of the packaged product is necessary.
  • the traditional isothermal boxes are made with a parallelepiped structure resulting from the assembly of at least four side walls and a bottom.
  • This structure is generally of cellular material (such as expanded polystyrene) and is, admittedly, relatively light, but occupies a large volume empty which generates prohibitive costs of storage and transport to the place of use.
  • Such boxes are described, for example, in the FR 07 60068 and the EP 2 412 640 of the plaintiff.
  • These boxes comprise a set of panels intended to be assembled reversibly to form a rectangular parallelepiped shaped structure, each panel having chamfered sides on which are formed at least one stop and at least one symmetrical housing complementary profile to said stop .
  • Each panel comprises at least two parallel cavities penetrating into said panel and opening each outwardly on at least one side of said panel via a lateral loading slot of a removable thermal element.
  • the isothermal properties of this fund are insufficient because of the existence of many thermal bridges and taking into account the standards in force, particularly for the packaging of thermally sensitive products such as certain drugs and vaccines.
  • the air flow is not homogeneous and the cooling has neither the coverage nor the required efficiency because the cavities are insulated along their length by a spacer and do not intersect in the thickness of each panel.
  • GB 2465376 discloses an insulated package in the form of a box comprising an inner lining consisting of the panel assembly. However, none of these panels has an internal cavity for receiving cooling elements.
  • the object of the present invention is to solve these technical problems satisfactorily and effectively by proposing an improved packaging offering a high thermal stability associated with a mechanically stable, resistant and compact structure.
  • the respective cavities of the panels are connected together to form an air flow duct.
  • the cavity extends along the median axis of the panel.
  • the assembly means of the panels comprise at least one stop and at least one symmetrical housing of complementary profile to said stop.
  • the thermal element is advantageously constituted by a cooling block containing a cryogenic substance and whose inner end has a frustoconical profile.
  • Another object of the invention is an isothermal packaging method, according to claim 7, of a sensitive product using the packaging defined above, characterized in that a refrigerant element is introduced into the cavity of the panels then assembles ledits panels to form a closed box in which the product was previously arranged.
  • the packaging of the invention makes it possible to offer an ergonomic and compact packaging of thermally sensitive products and, in particular, medicines and fresh products while guaranteeing good rigidity, enhanced stability and a mechanically resistant assembly of the structure. Indeed, the cavities, which are occupied by thermal elements (refrigerant or heating), delimit double-partitions which reinforce the resistance to shocks.
  • the notches and the blades ensuring the connection between the different panels are made in one piece with each panel.
  • these connecting elements are designed so that the orientation of the panels is obtained automatically and guided which greatly facilitates the mounting of the body.
  • the weight of the upper boxes of the stack even participates in strengthening the lock by imposing additional mechanical stresses that consolidate the assembly of the panels with respect to the previous packaging structures.
  • FIGS. 2A and 2B represent perspective views of the packaging of the invention, respectively, during assembly of the panels and after closure of the body.
  • FIG 3 is a schematic top and exploded view of an embodiment of the constituent panel of the package of the invention.
  • the Figures 4A and 4B represent variants of the constituent panel of the package, which are not according to the invention.
  • the packaging of the invention shown on the Figure 2B is in the form of a box shaped parallelepiped rectangle here comprising four side walls 11a and two other walls, respectively, a bottom wall 11b forming bottom and a top wall 11c forming a lid.
  • the shaping of this body results from the assembly, preferably manual, of a set of identical panels 1, one of which is illustrated by the Figures 1A and 1B .
  • the walls of the box thus delimit an internal compartment C ( Figure 2A ) in which a product is intended to be packaged.
  • the inner compartment C of the box can remain open and freely communicate with the outside or be closed, after packaging of the product, by the cover 11c (as shown on the Figure 2B ) also constituted by a panel identical to that of the Figure 1A or 1B .
  • Each panel 1 has four sides 1a, 1b, 1e and 1d each provided with assembly means with an identical panel or the like.
  • the panel 1 is provided with a chamfer 13 oriented here at 45 °.
  • the panel 1 is here square but could be more generally made in rectangular form. It would also be possible to provide that the chamfer has a different inclination of 45 ° in order to vary the geometry of the casing of the body.
  • each side is provided at least one blade 12 forming a stop.
  • Each side comprises, in addition, at least one notch 14 of complementary profile to the stop 12.
  • This notch is intended to form a housing for the abutment 12 carried by one of the other panels 1 so as to allow their connection by mutual engagement in a modular and reversible manner.
  • the blades 12 and the notches 14 are placed in positions symmetrical with respect to the median plane of the side which carries them, as illustrated by the Figures 1A and 1B .
  • the assembly of the panels is achieved by other means such as adhesives optionally reversible adhesion.
  • the panel 1 has at least two cavities 10 intended to receive a removable refrigerant element R, shown schematically on the figure 3 .
  • each of the sides of the panel 1 has an open cavity penetrating into the thickness of the wall of the panel 1.
  • This cavity 10 is here located between the abutment 12 and the housing 14.
  • Each cavity 10 opens out via a slot-shaped lateral opening 10a allowing the loading and unloading of the thermal element R.
  • the slots 10a are located in the center of the sides of the panel and the cavities extend along its median axis.
  • all the cavities 10 communicate with each other, in the center of the panel forming a double wall on the central part of the panel.
  • the invention has the advantage of allowing air circulation in the cavities on the entire panel. After assembling the panels, all the cavities 10 are connected together in a contiguous manner by facing their respective slot 10a. The duct delimited by the internal walls of these cavities over the entire envelope of the body thus forms a peripheral air circuit. This duct is integrated in the thickness of the panels.
  • the cavities extend perpendicular to the sides of the panel and the convective air flow duct then has a cross shape.
  • the air circuit surrounds the body in the manner of a strapping.
  • the wall 15 of the panel 1 which is intended to be oriented towards the inside of the box delimiting the compartment C, is flat.
  • the cavity 10 is located in the center of the wall 15 and is open towards the inside of the compartment C (after assembly of the panels).
  • the cavity 10 receives a block R whose dimensions coincide to ensure its retention by jamming. In this case, the respective cavities of each panel do not communicate with each other.
  • the cavity 10 is always formed in the wall 15 being open towards the inside of the compartment C in the manner of a groove.
  • the cavity 10 is here through extending along the median axis of the panel and opens, on both sides, forming slots 10a on the chamfers 13. The respective cavities of each panel then communicate with each other via the slots 10a.
  • some of the slots may be provided with a movable hood (not shown) so as to avoid a break in the thermal equilibrium at the places where the cavities open out, in particular when the body is not not intended to be closed by a sixth panel 11c cover.
  • the thermal element R may consist of a pad containing a cryogenic substance capable of producing a local cooling of the wall in contact with the product. The dimensions of this block are determined so as to allow it to slide in contact with the internal walls of the cavities 10.
  • the block R is provided with retaining means in the cavity 10 in the form, for example, of latching members cooperating with complementary members provided on the inner walls of the cavity.
  • the inner end of the pavement here has a frustoconical profile ( figure 3 ) allowing the interlocking with the other pavers housed in the adjacent cavities and thus providing both a space saving and a wedging in the cavities.
  • the isothermal conditioning process of the invention consists firstly of introducing thermal elements R, for example, with cooling action, in the cavities 10 of each panel 1. Then, the panels are assembled at 90 ° by forcibly engaging the blades 12 in the notches 14, the chamfered edges 13 and the slots 10a facing the panels then coming into mutual support and in coincidence. This operation makes it possible to automatically connect the cavities 10 without the need for additional adjustment. Before mounting the sixth and last panel 11C, the product is placed in the inner compartment C of the box and then the box is sealed and sealed.
  • the integral unit allows isothermal storage and transport of the product while offering enhanced protection against shocks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Description

La présente invention concerne un emballage isothermes et un procédé de conditionnement isotherme. La présente invention se rapporte plus particulièrement à un emballage isotherme sous forme d'une caisse.The present invention relates to an isothermal package and an isothermal packaging process. The present invention relates more particularly to an isothermal packaging in the form of a box.

Un tel emballage trouve son application, notamment, dans le domaine de la santé (transport et stockage de médicaments, de vaccins, d'organes,...) mais aussi dans l'agro-alimentaire pour l'emballage et/ou le conditionnement de produits frais tels que des poissons ou des fruits de mer (coquillages, crustacés,...) ainsi que dans tout autre domaine d'application où l'isolation thermique du produit conditionné est nécessaire.Such packaging finds its application, especially in the field of health (transport and storage of drugs, vaccines, organs, ...) but also in the food industry for packaging and / or packaging fresh products such as fish or seafood (shellfish, crustaceans, ...) as well as in any other field of application where the thermal insulation of the packaged product is necessary.

Les caisses isothermes traditionnelles sont réalisées avec une structure parallélépipède résultant de l'assemblage d'au moins quatre parois latérales et d'un fond.The traditional isothermal boxes are made with a parallelepiped structure resulting from the assembly of at least four side walls and a bottom.

Cette structure est généralement en matériau alvéolaire (tel que du polystyrène expansé) et est, certes, relativement légère, mais occupe un volume important à vide ce qui génère des coûts prohibitifs de stockage et de transport jusqu'au lieu d'utilisation.This structure is generally of cellular material (such as expanded polystyrene) and is, admittedly, relatively light, but occupies a large volume empty which generates prohibitive costs of storage and transport to the place of use.

Par ailleurs, il existe des caisses éventuellement dotées de propriétés isothermes et présentant une structure démontable avec des parois séparables et superposables permettant un transport à plat.Moreover, there are crates possibly with isothermal properties and having a removable structure with separable walls and stackable for a flat transport.

De telles caisses sont décrites, par exemple, dans le FR 07 60068 et le EP 2 412 640 de la demanderesse. Such boxes are described, for example, in the FR 07 60068 and the EP 2 412 640 of the plaintiff.

Ces caisses comprennent un jeu de panneaux destinés à être asssemblés de manière réversible pour former une structure sous forme de parallélépipède rectangle, chaque panneau présentant des côtés chanfreinés sur lesquels sont ménagés au moins une butée et au moins un logement symétrique de profil complémentaire à ladite butée. These boxes comprise a set of panels intended to be assembled reversibly to form a rectangular parallelepiped shaped structure, each panel having chamfered sides on which are formed at least one stop and at least one symmetrical housing complementary profile to said stop .

Chaque panneau comprend au moins deux cavités parallèles pénétrant dans ledit panneau et débouchant chacune à l'extérieur sur au moins un des côtés dudit panneau via une fente latéral de chargement d'un élément thermique amovible. Cependant, les propriétés isothermes de cette caisse s'avèrent insuffisantes du fait de l'existence de nombreux ponts thermiques et compte tenu des normes en vigueur, notamment, pour le conditionnements de produits thermiquement sensibles tels que certains médicaments et vaccins.
En particulier, la circulation d'air n'est pas homogène et le refroidissement n'a ni la couverture, ni l'efficacité requises car les cavités sont isolées sur toute leur longueur par une entretoise et ne se croisent pas dans l'épaisseur de chaque panneau. Each panel comprises at least two parallel cavities penetrating into said panel and opening each outwardly on at least one side of said panel via a lateral loading slot of a removable thermal element. However, the isothermal properties of this fund are insufficient because of the existence of many thermal bridges and taking into account the standards in force, particularly for the packaging of thermally sensitive products such as certain drugs and vaccines.
In particular, the air flow is not homogeneous and the cooling has neither the coverage nor the required efficiency because the cavities are insulated along their length by a spacer and do not intersect in the thickness of each panel.

En outre, sa structure se révèle difficilement adaptable aux conditions variables de température de l'environnement extérieur en différentes saisons ou climats.In addition, its structure proves difficult to adapt to the variable conditions of temperature of the external environment in different seasons or climates.

Par ailleurs, leMoreover, GB 2465376GB 2465376 décrit un emballage isotherme sous forme d'une caisse comprenant une garniture intérieure constituée de l'assemblage de panneaux. Toutefois, aucun de ces panneaux ne comporte de cavité interne destinée à recevoir des éléments réfrigérants.discloses an insulated package in the form of a box comprising an inner lining consisting of the panel assembly. However, none of these panels has an internal cavity for receiving cooling elements.

La présente invention a pour but de résoudre ces problèmes techniques de manière satisfaisante et efficace en proposant un emballage perfectionné offrant une grande stabilité thermique associée à une structure mécaniquement stable, résistante et compacte.The object of the present invention is to solve these technical problems satisfactorily and effectively by proposing an improved packaging offering a high thermal stability associated with a mechanically stable, resistant and compact structure.

Ce but est atteint selon l'invention au moyen d'un emballage isotherme présentant les caractéristiques de la revendication 1.This object is achieved according to the invention by means of an isothermal package having the features of claim 1.

Selon l'invention les cavités respectives des panneaux se raccordent entre elles pour former un conduit de circulation d'air. Selon une caractéristique avantageuse, la cavité s'étend selon l'axe médian du panneau.According to the invention the respective cavities of the panels are connected together to form an air flow duct. According to an advantageous characteristic, the cavity extends along the median axis of the panel.

Selon une variante spécifique, les moyens d'assemblage des panneaux comprennent au moins une butée et au moins un logement symétrique de profil complémentaire à ladite butée.According to a specific variant, the assembly means of the panels comprise at least one stop and at least one symmetrical housing of complementary profile to said stop.

L'élément thermique est avantageusement constitué d'un pavé réfrigérant renfermant une substance cryogénique et dont l'extrémité intérieure a un profil tronconique.
Un autre objet de l'invention est un procédé de conditionnement isothermes, selon la revendication 7, d'un produit sensible utilisant l'emballage défini précédemment, caractérisé en ce qu'on introduit un élément réfrigérant dans la cavité des panneaux puis on assemble ledits panneaux pour former une caisse fermée dans laquelle on a disposé préalablement le produit.
L'emballage de l'invention permet d'offrir un conditionnement ergonomique et compact de produits thermiquement sensibles et, notamment, de médicaments et de produits frais tout en garantissant une bonne rigidité, une stabilité renforcée et un assemblage mécaniquement résistant de la structure.
En effet, les cavités, qui sont occupées par des éléments thermiques (réfrigérant ou chauffant), délimitent des double-cloisons qui renforcent la résistance aux chocs.The thermal element is advantageously constituted by a cooling block containing a cryogenic substance and whose inner end has a frustoconical profile.
Another object of the invention is an isothermal packaging method, according to claim 7, of a sensitive product using the packaging defined above, characterized in that a refrigerant element is introduced into the cavity of the panels then assembles ledits panels to form a closed box in which the product was previously arranged.
The packaging of the invention makes it possible to offer an ergonomic and compact packaging of thermally sensitive products and, in particular, medicines and fresh products while guaranteeing good rigidity, enhanced stability and a mechanically resistant assembly of the structure.
Indeed, the cavities, which are occupied by thermal elements (refrigerant or heating), delimit double-partitions which reinforce the resistance to shocks.

La structure de la caisse et telle qu'elle peut être aisément réalisée à plat par moulage, en ménageant des poignées, des gravures ou tout autre empreinte intérieure sans contre-dépouille, ce qui ne serait pas possible avec des caisses traditionnelles du fait que, dans ce cas, elles ne pourraient pas être éjectées du moule.
Par ailleurs, cette structure une fois déployée, assemblée et verrouillée est parfaitement adaptée pour supporter individuellement à la fois la charge des produits conditionnés et la surcharge constituée par l'empilement de plusieurs caisses du même type sans risque d'ouverture accidentelle.The structure of the box and such that it can be easily made flat by molding, leaving handles, engravings or other internal imprint without undercut, which would not be possible with traditional cases because, in this case, they could not be ejected from the mold.
Moreover, this structure once deployed, assembled and locked is perfectly adapted to support individually both the load of packaged products and the overload constituted by the stack of several boxes of the same type without risk of accidental opening.

Les encoches et les lames assurant la liaison entre les différents panneaux sont réalisées d'une seule pièce avec chaque panneau.
En outre, ces éléments de liaison sont conçus de telle sorte que l'orientation des panneaux est obtenue de façon automatique et guidée ce qui facilite considérablement le montage de la caisse.
Par ailleurs, en cas d'empilement, la charge pondérale des caisses supérieures de la pile participe même au renforcement du verrouillage en imposant des contraintes mécaniques supplémentaires qui consolident l'assemblage des panneaux par rapport aux structures d'emballage antérieures.The notches and the blades ensuring the connection between the different panels are made in one piece with each panel.
In addition, these connecting elements are designed so that the orientation of the panels is obtained automatically and guided which greatly facilitates the mounting of the body.
Furthermore, in case of stacking, the weight of the upper boxes of the stack even participates in strengthening the lock by imposing additional mechanical stresses that consolidate the assembly of the panels with respect to the previous packaging structures.

Il en résulte une meilleure herméticité de l'emballage et une isolation thermique renforcée.
Enfin, une fois la caisse dépliée, le stockage des panneaux est peu encombrant ce qui contribue à la réduction des coûts de logistique et notamment de transport.
L'invention sera mieux comprise à la lecture de la description qui va suivre, accompagnée des dessins sur lesquels ;
Les figures 1A et 1B représentent respectivement des vues en perspective et de dessus d'un mode de réalisation du panneau destiné à former la caisse de l'invention.This results in a better hermeticity of the packaging and a reinforced thermal insulation.
Finally, once the body unfolded, the storage of the panels is compact which contributes to the reduction of logistics costs and especially transportation.
The invention will be better understood on reading the description which follows, accompanied by the drawings on which;
The Figures 1A and 1B respectively represent views in perspective and from above of an embodiment of the panel intended to form the body of the invention.

Les figures 2A et 2B représentent des vues en perspective de l'emballage de l'invention, respectivement, en cours d'assemblage des panneaux et après fermeture de la caisse. La figure 3 représente une vue schématique de dessus et en éclatée d'un mode de réalisation du panneau constitutif de l'emballage de l'invention.The Figures 2A and 2B represent perspective views of the packaging of the invention, respectively, during assembly of the panels and after closure of the body. The figure 3 is a schematic top and exploded view of an embodiment of the constituent panel of the package of the invention.

Les figures 4A et 4B représentent des variantes du panneau constitutif de l'emballage, qui ne sont pas selon l'invention.
L'emballage de l'invention représenté sur la figure 2B se présente sous la forme d'une caisse en forme de parallélépipède rectangle comprenant ici quatre parois latérales 11a et deux autres parois, respectivement, une paroi inférieure 11b formant fond et une paroi supérieure 11c formant couvercle.
La mise en forme de cette caisse résulte de l'assemblage, de préférence manuel, d'un jeu de panneaux identiques 1 dont l'un est illustré par les figures 1A et 1B.The Figures 4A and 4B represent variants of the constituent panel of the package, which are not according to the invention.
The packaging of the invention shown on the Figure 2B is in the form of a box shaped parallelepiped rectangle here comprising four side walls 11a and two other walls, respectively, a bottom wall 11b forming bottom and a top wall 11c forming a lid.
The shaping of this body results from the assembly, preferably manual, of a set of identical panels 1, one of which is illustrated by the Figures 1A and 1B .

Les parois de la caisse délimitent ainsi un compartiment intérieur C (figure 2A) dans lequel un produit est destiné à être conditionné.The walls of the box thus delimit an internal compartment C ( Figure 2A ) in which a product is intended to be packaged.

Le compartiment intérieur C de la caisse peut rester ouvert et communiquer librement avec l'extérieur ou être obturé, après conditionnement du produit, par le couvercle 11c (comme représenté sur la figure 2B) constitué lui aussi par un panneau identique 1 à celui de la figure 1A ou 1B.The inner compartment C of the box can remain open and freely communicate with the outside or be closed, after packaging of the product, by the cover 11c (as shown on the Figure 2B ) also constituted by a panel identical to that of the Figure 1A or 1B .

Chaque panneau 1 présente quatre côtés 1a, 1b, 1e et 1d pourvus chacun de moyens d'assemblage avec un panneau identique ou analogue.
Dans la variante représentée sur les figures, le panneau 1 est pourvu d'un chanfrein 13 orienté ici à 45°.
Le panneau 1 est ici carré mais pourrait être plus généralement réalisé sous forme rectangulaire.
Il serait également possible de prévoir que le chanfrein présente une inclinaison différente de 45° en vue de faire varier la géométrie de l'enveloppe de la caisse.Each panel 1 has four sides 1a, 1b, 1e and 1d each provided with assembly means with an identical panel or the like.
In the variant shown in the figures, the panel 1 is provided with a chamfer 13 oriented here at 45 °.
The panel 1 is here square but could be more generally made in rectangular form.
It would also be possible to provide that the chamfer has a different inclination of 45 ° in order to vary the geometry of the casing of the body.

Sur chaque côté est ménagée au moins une lame 12 formant butée.On each side is provided at least one blade 12 forming a stop.

Chaque côté comporte, en outre, au moins une encoche 14 de profil complémentaire à la butée 12.
Cette encoche est destinée à former un logement pour la butée 12 portée par l'un des autres panneaux 1 de façon à permettre leur raccordement par engagement mutuel de façon modulaire et réversible.
Dans ce but, les lames 12 et les encoches 14 sont placées dans des positions symétriques par rapport au plan médian du côté qui les porte, comme illustré par les figures 1A et 1B.Each side comprises, in addition, at least one notch 14 of complementary profile to the stop 12.
This notch is intended to form a housing for the abutment 12 carried by one of the other panels 1 so as to allow their connection by mutual engagement in a modular and reversible manner.
For this purpose, the blades 12 and the notches 14 are placed in positions symmetrical with respect to the median plane of the side which carries them, as illustrated by the Figures 1A and 1B .

Tant la stabilité de la liaison entre les panneaux, que leur calage et l'étanchéité de la caisse sont assurées grâce, à la fois, à la coopération entre les lames 12 et les encoches 14 et à la mise en appui mutuel des chanfreins 13 en regard des panneaux qui sont raccordés, comme décrit dans le FR 0760068 .
Grâce à l'élasticité du matériau alvéolaire, le montage est étanche et serrant ce qui permet d'éviter l'apparition de ponts thermiques.
Bien entendu, il serait possible de prévoir, selon des variantes non représentées ici, que l'assemblage des panneaux soit réalisé par d'autres moyens tels que des adhésifs à pouvoir d'adhérence éventuellement réversible.
Selon l'invention, il est prévu que le panneau 1 présente au moins deux cavités 10 destinée à recevoir un élément réfrigérant amovible R, représenté schématiquement sur la figure 3.
Cet élément réfrigérant pourrait être toutefois remplacé et/ou associé avec un élément chauffant si le conditionnement du produit nécessitait une température plus élevée.
Dans le mode de réalisation illustré par les dessins, chacun des côtés du panneau 1 présente une cavité 10 ouverte pénétrant dans l'épaisseur de la paroi du panneau 1.
Cette cavité 10 est ici située entre la butée 12 et le logement 14.
Chaque cavité 10 débouche à l'extérieur via une ouverture latérale en forme de fente 10a permettant le chargement et le déchargement de l'élément thermique R.
Les fentes 10a sont situées au centre des côtés du panneau et les cavités s'étendent selon son axe médian.Both the stability of the connection between the panels, their rigging and the tightness of the body are ensured thanks both to the cooperation between the blades 12 and the notches 14 and to the mutual abutment of the chamfers 13 opposite the panels which are connected, as described in FIG. FR 0760068 .
Thanks to the elasticity of the cellular material, the assembly is tight and tight, which makes it possible to avoid the appearance of thermal bridges.
Of course, it would be possible to provide, according to variants not shown here, that the assembly of the panels is achieved by other means such as adhesives optionally reversible adhesion.
According to the invention, it is provided that the panel 1 has at least two cavities 10 intended to receive a removable refrigerant element R, shown schematically on the figure 3 .
This cooling element could, however, be replaced and / or associated with a heating element if the conditioning of the product required a higher temperature.
In the embodiment illustrated by the drawings, each of the sides of the panel 1 has an open cavity penetrating into the thickness of the wall of the panel 1.
This cavity 10 is here located between the abutment 12 and the housing 14.
Each cavity 10 opens out via a slot-shaped lateral opening 10a allowing the loading and unloading of the thermal element R.
The slots 10a are located in the center of the sides of the panel and the cavities extend along its median axis.

Selon l'invention toutes les cavités 10 communiquent entre elles, au centre du panneau en formant une double-paroi sur la partie centrale du panneau.According to the invention all the cavities 10 communicate with each other, in the center of the panel forming a double wall on the central part of the panel.

L'invention présente l'avantage de permettre une circulation d'air dans les cavités sur l'ensemble du panneau.
Après assemblage des panneaux, toutes les cavités 10 se trouvent raccordées entre elles de façon jointive par mise en regard de leur fente 10a respective. Le conduit délimité par les parois internes de ces cavités sur l'ensemble de l'enveloppe de la caisse forme ainsi un circuit d'air périphérique.
Ce conduit se trouve intégré dans l'épaisseur des panneaux.The invention has the advantage of allowing air circulation in the cavities on the entire panel.
After assembling the panels, all the cavities 10 are connected together in a contiguous manner by facing their respective slot 10a. The duct delimited by the internal walls of these cavities over the entire envelope of the body thus forms a peripheral air circuit.
This duct is integrated in the thickness of the panels.

Dans le mode de réalisation représenté, les cavités s'étendent perpendiculairement aux côtés du panneau et le conduit de circulation d'air par convection présente alors une forme en croix.
Dans ce cas, une fois tous les panneaux asssemblés, le circuit d'air entoure la caisse à la manière d'un cerclage.
Comme illustré par les figures 1A, 1B et 2A, la paroi 15 du panneau 1 qui est destinée à être orientée vers l'intérieur de la caisse en délimitant le compartiment C, est plane.In the embodiment shown, the cavities extend perpendicular to the sides of the panel and the convective air flow duct then has a cross shape.
In this case, once all the panels assembled, the air circuit surrounds the body in the manner of a strapping.
As illustrated by Figures 1A, 1B and 2A , the wall 15 of the panel 1 which is intended to be oriented towards the inside of the box delimiting the compartment C, is flat.

Sur la figure 4A, qui n'est pas selon l'invention, la cavité 10 est située au centre de la paroi 15 et est ouverte vers l'intérieur du compartiment C (après assemblage des panneaux).
La cavité 10 reçoit un pavé R dont les dimensions coïncident de façon à assurer sa retenue par coincement. Dans ce cas, les cavités respectives de chaque panneau ne communiquent pas entre elles.On the Figure 4A , which is not according to the invention, the cavity 10 is located in the center of the wall 15 and is open towards the inside of the compartment C (after assembly of the panels).
The cavity 10 receives a block R whose dimensions coincide to ensure its retention by jamming. In this case, the respective cavities of each panel do not communicate with each other.

Sur la figure 4B, qui n'est pas selon l'invention, la cavité 10 est toujours ménagée dans la paroi 15 en étant ouverte vers l'intérieur du compartiment C à la manière d'une gorge. La cavité 10 est ici traversante en s'étendant selon l'axe médian du panneau et débouche, de part et d'autre, en formant des fentes 10a sur les chanfreins 13.
Les cavités respectives de chaque panneau communiquent alors entre elles via les fentes 10a.On the Figure 4B , which is not according to the invention, the cavity 10 is always formed in the wall 15 being open towards the inside of the compartment C in the manner of a groove. The cavity 10 is here through extending along the median axis of the panel and opens, on both sides, forming slots 10a on the chamfers 13.
The respective cavities of each panel then communicate with each other via the slots 10a.

Selon une variante, certaines des fentes pourront être pourvues d'un capot mobile (non représenté) de façon à éviter une rupture de l'équilibre thermique aux endroits où les cavités débouchent à l'extérieur, en particulier, lorsque la caisse n'est pas destinée à être fermée par un sixième panneau 11c de couvercle.
L'élément thermique R peut être constitué d'un pavé renfermant une substance cryogénique susceptible de produire un refroidissement local de la paroi au contact du produit. Les dimensions de ce pavé sont déterminées de façon à permettre son coulissement au contact des parois internes des cavités 10.
Le cas échéant, le pavé R est pourvu de moyens de retenue dans la cavité 10 sous forme, par exemple, d'organes d'encliquetage coopérant avec des organes complémentaires prévus sur les parois internes de la cavité.According to one variant, some of the slots may be provided with a movable hood (not shown) so as to avoid a break in the thermal equilibrium at the places where the cavities open out, in particular when the body is not not intended to be closed by a sixth panel 11c cover.
The thermal element R may consist of a pad containing a cryogenic substance capable of producing a local cooling of the wall in contact with the product. The dimensions of this block are determined so as to allow it to slide in contact with the internal walls of the cavities 10.
Where appropriate, the block R is provided with retaining means in the cavity 10 in the form, for example, of latching members cooperating with complementary members provided on the inner walls of the cavity.

L'extrémité intérieure du pavé a ici un profil tronconique (figure 3) permettant l'emboîtement avec les autres pavés logés dans les cavités adjacentes et procurant ainsi à la fois un gain de place et un calage dans les cavités.The inner end of the pavement here has a frustoconical profile ( figure 3 ) allowing the interlocking with the other pavers housed in the adjacent cavities and thus providing both a space saving and a wedging in the cavities.

Le procédé de conditionnement isotherme de l'invention consiste tout d'abord à introduire des éléments thermiques R, par exemple, à action réfrigérante, dans les cavités 10 de chaque panneau 1.
Puis, on assemble les panneaux à 90° en engageant en force les lames 12 dans les encoches 14, les bords chanfreinés 13 et les fentes 10a en regard des panneaux venant alors en appui mutuel et en coïncidence.
Cette opération permet de raccorder automatiquement les cavités 10 sans qu'il soit nécessaire d'effectuer un ajustement complémentaire.
Avant de monter le sixième et dernier panneau 11C, on dispose le produit dans le compartiment intérieur C de la caisse puis on ferme la caisse de façon hermétique et étanche.The isothermal conditioning process of the invention consists firstly of introducing thermal elements R, for example, with cooling action, in the cavities 10 of each panel 1.
Then, the panels are assembled at 90 ° by forcibly engaging the blades 12 in the notches 14, the chamfered edges 13 and the slots 10a facing the panels then coming into mutual support and in coincidence.
This operation makes it possible to automatically connect the cavities 10 without the need for additional adjustment.
Before mounting the sixth and last panel 11C, the product is placed in the inner compartment C of the box and then the box is sealed and sealed.

L'ensemble solidaire permet un stockage et un transport isothermes du produit tout en lui offrant une protection renforcée contre les chocs.The integral unit allows isothermal storage and transport of the product while offering enhanced protection against shocks.

Claims (7)

  1. An isothermal packaging comprising a set of panels (1) intended to be reversibly assembled to form a box having a rectangular parallelepiped shape, with each panel having sides (1a, 1b, 1c, 1d) whereon means are provided for assembly with a similar panel and at least two cavities (10) extending into said panel and each opening out on the outside, on at least one side of said panel via a lateral slot (10a) for loading a removable thermal element, characterized in that both cavities (10) are through-holes and in that each side (1a, 1b, 1c, 1d) of the panel (1) has a cavity and said cavities on the same panel communicate with each other at the center of the panel while forming a jacket on the central part thereof so that, when the panels are assembled, all the cavities (10) are sealingly connected together throughout the box while defining a peripheral air circulation conduit integrated in the panel thickness.
  2. A packaging according to claim 1, characterized in that said slot (10a) is provided with a movable cover.
  3. A packaging according to the preceding claim, characterized in that the two cavities (10) are perpendicular to each other.
  4. A packaging according to one of the preceding claims, characterized in that said cavities (10) extend along the median axis of the panel.
  5. A packaging according to one of the preceding claims, characterized in that the assembling means comprise at least one stop (12) and at least one symmetrical recess (14) having a profile matching that of said stop.
  6. A packaging according to one of the preceding claims, characterized in that said thermal element (R) consists of a block containing a cryogenic substance and the inner end of which has a frustoconical profile.
  7. A method for the isothermal packaging of a product using the package according to one of the preceding claims, characterized in that a thermal element (R) is introduced into the cavity (10) of the panels (1) and then said panels are assembled to form a closed box wherein the product has been placed beforehand.
EP14185646.8A 2013-09-20 2014-09-19 Isothermal packaging, Method Active EP2851310B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1359071A FR3010986B1 (en) 2013-09-20 2013-09-20 ISOTHERMAL PACKAGING

Publications (2)

Publication Number Publication Date
EP2851310A1 EP2851310A1 (en) 2015-03-25
EP2851310B1 true EP2851310B1 (en) 2017-04-05

Family

ID=49949820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14185646.8A Active EP2851310B1 (en) 2013-09-20 2014-09-19 Isothermal packaging, Method

Country Status (5)

Country Link
EP (1) EP2851310B1 (en)
ES (1) ES2632434T3 (en)
FR (1) FR3010986B1 (en)
HU (1) HUE035300T2 (en)
PL (1) PL2851310T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925464B1 (en) * 2007-12-20 2012-09-21 Knauf Ind Gestion COMPOUND PACKAGING OF PANELS ASSEMBLED IN A PARALLELEPIPEDE RECTANGLE
DE102008006924B4 (en) * 2008-01-24 2009-12-31 Storopack Hans Reichenecker Gmbh Transport container made of heat-insulating material
GB2465376B (en) * 2008-11-14 2012-11-28 Tower Cold Chain Solutions Ltd Thermally insulated reuseable transportation container
EP2412640B1 (en) * 2010-07-27 2015-05-06 Knauf Industries Gestion Modular device for packaging heat-sensitive products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2632434T3 (en) 2017-09-13
FR3010986B1 (en) 2016-05-06
PL2851310T3 (en) 2017-09-29
EP2851310A1 (en) 2015-03-25
HUE035300T2 (en) 2018-05-02
FR3010986A1 (en) 2015-03-27

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