EP1233243A1 - Isothermal container - Google Patents
Isothermal container Download PDFInfo
- Publication number
- EP1233243A1 EP1233243A1 EP02290354A EP02290354A EP1233243A1 EP 1233243 A1 EP1233243 A1 EP 1233243A1 EP 02290354 A EP02290354 A EP 02290354A EP 02290354 A EP02290354 A EP 02290354A EP 1233243 A1 EP1233243 A1 EP 1233243A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- container according
- container
- diffuser cover
- polypropylene
- 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
Links
- 238000003860 storage Methods 0.000 claims abstract description 15
- 235000013305 food Nutrition 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 18
- 239000004743 Polypropylene Substances 0.000 claims description 15
- -1 polypropylene Polymers 0.000 claims description 15
- 229920001155 polypropylene Polymers 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 235000011089 carbon dioxide Nutrition 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920005372 Plexiglas® Polymers 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
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
- 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
- B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
- F25D3/125—Movable containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
- F25D2331/80—Type of cooled receptacles
- F25D2331/804—Boxes
Definitions
- the object of the present invention relates to a on-board refrigeration device to maintain fresh food from storage to delivery to the final consumer.
- Foodstuffs concerned are mainly fresh products processed or unprocessed of animal origin and vegetable.
- the device according to the invention must be able to ensure the preservation of fresh produce at a positive temperature in the range of 0 to +4 degrees Celsius (° C).
- Maintaining the storage temperature must be strictly observed, because the transition to a higher temperature may develop flora microbial and therefore make the consumption of products for the consumer.
- fresh produce is kept at the right temperature in rooms cold during storage and vehicles refrigerated, most often trucks with cold rooms, are used to transport fresh products from their place of storage to the home of customer. Products can also be transported by truck in insulated containers. In that case, these are hermetically sealed and under pressure.
- the goal that aims to achieve the present invention is to remedy the drawbacks aforementioned by providing a little insulated container expensive, simple to carry out, ensuring preservation perfect fresh food and can be easily transported on a light vehicle motorized with two or three wheels or by any other means transport without refrigeration equipment to the place of delivery.
- a container isothermal for storage and transport of products fresh food allowing the maintenance of these products at their storage temperature of preferably between 0 and 4 ° C, including a container fitted on all of its interior faces with a covering in insulating material, said container being characterized by what it includes in addition a diffuser cover provided with an independent cooling source connected to a thermal bridge through a nacelle support enabling said temperature to be maintained storage inside the container for a period determined, and an insulating cover which covers said diffuser cover to thermally insulate all.
- Figure 1 therefore shows an exploded view of a insulated container 1 according to the present invention where all the elements composing it are represented.
- the insulated container includes everything first a tank 2, of parallelepiped shape, preferably polypropylene usable for purposes food
- the tray 2 is designed to be nestable and stackable and includes external dimensions standards.
- the covering 3 made of material insulation is made in one piece and fits the interior shapes of tray 2 perfectly polypropylene.
- a diffuser cover 4 with integrated cooling means is intended to be arranged on top of tray 2 and allows to maintain inside of tank 2 fitted with its material covering insulator 3 at a temperature preferably comprised between 0 and 4 ° C.
- Diffuser cover 4 will be seen more in detail in Figures 2 and 3.
- an insulating cover 5 covers the diffuser cover 4 and makes it possible to thermally isolate the assembly which then forms an isothermal enclosure.
- the insulating cover 5 is preferably formed of polystyrene for food use and can advantageously be provided with two small openings 5 1 and 5 2 respectively on two opposite edges of the cover so that the cover can be easily removed manually.
- the tray 2 further comprises a cover integral with polypropylene 6.
- the cover 6 secured to the tank 2 can then be provided with closing means (not shown) which seal the tray when the cover 6 is closes over to ensure that the chain cold was not broken during transport.
- Figure 2 shows a detailed view of the cover diffuser 4 and in particular cooling means integrated according to section AA of figure 1.
- the cooling means integrated into the cover 4 include a cooling source autonomous 7 arranged on a support nacelle 8 forming an interface between the cooling source autonomous 7 and a thermal bridge 9.
- the autonomous refrigerating source 7 is constituted preferably carbon dioxide in solid form also called dry ice and is at a temperature from -70 ° C approximately.
- the thermal bridge 9 is made with a material having a heat specific low.
- the thermal bridge is made of aluminum.
- FIG 3 shows a top view of the cover diffuser 4 provided with integrated cooling means 7, 8 and 9 where the structure of the thermal bridge 9 appears.
- the thermal bridge 9 is thus implemented by through a set of aluminum bars, attached to the diffuser cover by gluing or by any other suitable means of attachment. All bars of aluminum making up the thermal bridge according to the invention advantageously has a structure in double "H" which extends over the entire length of the diffuser cover 4.
- the support nacelle 8 is then placed on top, so as to cover the two vertical bars 10 and 11 forming the double "H”.
- the two vertical bars 10 and 11 of the thermal bridge allow this way to support the nacelle.
- Other types of structure than that in double "H" previously described can of course be considered without departing from the scope of this invention.
- the thermal bridge 9 actually has the function essential to distribute the temperature evenly supplied by the independent cooling source 7 above polypropylene container where products are stored fresh.
- the good thermal distribution of the temperature supplied by the cooling source in the tank is therefore ensured by thermal bridge 9 having in particular the particular properties mentioned above.
- the temperature of the source standalone refrigerant 7 implementation is too low for the intended use of the insulated container according to the present invention.
- the support nacelle 8 is advantageously made of thermal insulating material.
- thermal insulating material for example, polypropylene is used.
- the support nacelle 8 of the cooling source therefore constitutes a first interface playing the role thermal insulation between the cooling source autonomous 7 and the thermal bridge 9 to reassemble the temperature supplied by the cooling source and so get a smoother spread.
- This characteristic of the support nacelle 8 of the cooling source is obtained thanks to the good insulating properties of polypropylene of which it is incorporated.
- the diffuser cover 4 is in thermal insulating material and constitutes a second interface acting as a thermal insulator between the thermal bridge 9 and the interior of the tank where are stored the fresh products.
- the diffuser cover consists of a plate plexiglass.
- the plexiglass plate forming the cover 4 then allows the temperature supplied to be raised again by the cooling source 7 to then diffuse it to inside the tank so as to obtain the temperature desired storage preferably between 0 ° C and 4 ° C inside the tank.
- the plexiglass plate forming the diffuser cover 4 isolates products stored inside the carbon dioxide released tank by the independent cooling source 7 which could alter some of them. Indeed, under pressure atmospheric, dry ice sublimates and releases carbon dioxide.
- the diffuser cover 4 and the nacelle of support 8 are formed from a single plate of deformable thermal insulating material, preferably a honeycomb polypropylene plate.
- a first operation consists first of all in carrying out the thermal bridge 9 on the polypropylene plate Honeycomb. To do this, aluminum strips glued are arranged on the surface of the plate so as to form the double "H” pattern as already described with reference to Figure 3.
- the duplicate pattern "H” is however intended to extend only over half of the total surface of the plate.
- the first half of the honeycomb polypropylene plate including bridge thermal is shaped so that the area located opposite vertical bands 10 and 11 aluminum forming the double "H" is raised, thus forming the support nacelle 8 for the source self-contained refrigerant 7.
- the second half of the polypropylene plate unformed honeycomb is then folded under the first half of thermoformed sheet so as to come cover the aluminum strips forming the bridge thermal.
- the diffuser cover thus obtained with its thermal bridge and its support nacelle present advantageously the same characteristics as the diffuser cover obtained according to the first mode of embodiment with reference to Figures 2 and 3.
- Figure 4 shows a detail a view of profile of the insulating cover 5 according to section BB of the figure 1.
- the insulating cover 5 made of polystyrene comprises a obviously 10 at the center of its bottom surface in which is the dry ice 7, when putting in place of the insulating cover 5.
- the insulated container obtained by this invention is therefore simple to carry out and allows maintain fresh produce stored at their storage temperature for several hours.
- the integrated cooling means on the diffuser cover are rechargeable and the amount of dry ice placed in the diffuser cover allows user to optimize and modulate the maintenance of the duration of the chain cold as needed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Packages (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Table Devices Or Equipment (AREA)
Abstract
Description
L'objet de la présente invention se rapporte à un dispositif de froid embarqué permettant de maintenir au frais des denrées alimentaires du stockage à la livraison chez le consommateur final. Les denrées concernées sont essentiellement des produits frais transformés ou non transformés d'origine animale et végétale. Le dispositif selon l'invention doit pouvoir assurer la conservation des produits frais à une température positive de l'ordre de 0 à +4 degrés Celsius (°C).The object of the present invention relates to a on-board refrigeration device to maintain fresh food from storage to delivery to the final consumer. Foodstuffs concerned are mainly fresh products processed or unprocessed of animal origin and vegetable. The device according to the invention must be able to ensure the preservation of fresh produce at a positive temperature in the range of 0 to +4 degrees Celsius (° C).
Il est connu que la conservation des produits alimentaires frais nécessite le maintien de ces produits à une température comprise entre 0 et 4°C. Cette température doit être assurée lors du transport de ces produits du lieu d'achat ou de stockage jusqu'au consommateur final.It is known that the conservation of products fresh food requires maintaining these products at a temperature between 0 and 4 ° C. This temperature must be ensured during transport of these products from the place of purchase or storage until final consumer.
Le maintien de la température de conservation doit être strictement respecté, car le passage à une température supérieure risque de développer la flore microbienne et donc de rendre dangereuse la consommation des produits pour le consommateur.Maintaining the storage temperature must be strictly observed, because the transition to a higher temperature may develop flora microbial and therefore make the consumption of products for the consumer.
Ainsi, dans les services de vente et de livraison à domicile de produits frais qui connaissent un essor important, le respect de la chaíne du froid est primordial.So in sales and delivery services home of fresh products that are booming important, respect for the cold chain is paramount.
Traditionnellement, les produits frais sont maintenus à la température adéquate dans des chambres froides pendant leur stockage et des véhicules réfrigérés, le plus souvent des camions dotés de chambres froides, sont utilisés pour transporter les produits frais de leur lieu de stockage au domicile du client. Les produits peuvent également être transportés par camion dans des conteneurs isothermes. Dans ce cas, il s'agit de dispositifs hermétiquement clos et sous pression.Traditionally, fresh produce is kept at the right temperature in rooms cold during storage and vehicles refrigerated, most often trucks with cold rooms, are used to transport fresh products from their place of storage to the home of customer. Products can also be transported by truck in insulated containers. In that case, these are hermetically sealed and under pressure.
La logistique mise en place dans ce mode de livraison de produits frais est donc très lourde et très coûteuse en matériels et en hommes. En effet, il est nécessaire de prévoir des chauffeurs munis de permis automobile, voire poids lourd.The logistics implemented in this mode of delivery of fresh produce is therefore very heavy and very expensive in materials and men. Indeed, it it is necessary to provide drivers with automobile license, even heavy goods vehicle.
De plus, ce mode de livraison n'est pas adapté aux zones urbaines puisque les camions réfrigérés, de par leur taille, sont dépendants des conditions de circulation et donc, tributaires des embouteillages. Il leur est donc difficile de livrer les produits dans le temps imparti.In addition, this delivery method is not suitable in urban areas since refrigerated trucks, by their size, are dependent on the conditions of traffic and therefore, dependent on traffic jams. he it is therefore difficult for them to deliver the products in the allotted time.
Enfin, un inconvénient majeur de ces dispositifs, à savoir des camions munis de chambres froides ou de conteneurs hermétiquement clos et sous pression, est qu'ils ne permettent pas à l'utilisateur d'optimiser la chaíne du froid en tenant compte de la durée de stockage et de transport de la quantité de denrées tenues au frais.Finally, a major drawback of these devices, namely trucks with cold rooms or Hermetically sealed and pressurized containers, is that they do not allow the user to optimize the cold chain taking into account the duration of storage and transportation of the quantity of food kept cool.
Ainsi, ces dispositifs ne permettent pas d'optimiser et de moduler le maintien de la durée de la chaíne du froid par l'utilisateur selon ses besoins.So these devices don't allow optimize and modulate the maintenance of the duration of the cold chain by the user according to his needs.
Ainsi, le but que se propose d'atteindre la présente invention est de remédier aux inconvénients précités en fournissant un conteneur isotherme peu onéreux, simple à réaliser, assurant une préservation parfaite des produits alimentaires frais et pouvant être transporté facilement sur un véhicule léger motorisé à deux ou trois roues ou par tout autre moyen de transport non doté d'équipement de réfrigération jusqu'au lieu de livraison. Thus, the goal that aims to achieve the present invention is to remedy the drawbacks aforementioned by providing a little insulated container expensive, simple to carry out, ensuring preservation perfect fresh food and can be easily transported on a light vehicle motorized with two or three wheels or by any other means transport without refrigeration equipment to the place of delivery.
Pour résoudre les problèmes ci-dessus, on propose conformément à la présente invention un conteneur isotherme pour le stockage et le transport de produits alimentaires frais permettant le maintien de ces produits à leur température de conservation comprise de préférence entre 0 et 4°C, comprenant un bac muni sur l'ensemble de ses faces intérieures d'un habillage en matériau isolant, ledit conteneur étant caractérisé en ce qu'il comprend en plus un couvercle diffuseur pourvu d'une source réfrigérante autonome reliée à un pont thermique par l'intermédiaire d'une nacelle de support permettant de maintenir ladite température de conservation à l'intérieur du bac pendant une durée déterminée, et un couvercle isolant qui vient coiffer ledit couvercle diffuseur pour isoler thermiquement l'ensemble.To solve the above problems, we suggest according to the present invention a container isothermal for storage and transport of products fresh food allowing the maintenance of these products at their storage temperature of preferably between 0 and 4 ° C, including a container fitted on all of its interior faces with a covering in insulating material, said container being characterized by what it includes in addition a diffuser cover provided with an independent cooling source connected to a thermal bridge through a nacelle support enabling said temperature to be maintained storage inside the container for a period determined, and an insulating cover which covers said diffuser cover to thermally insulate all.
D'autres caractéristiques et avantages de la présente invention apparaítront plus clairement à la lecture de la description suivante d'un exemple de réalisation en référence aux figures dans lesquelles :
- la figure 1 est une vue en perspective éclatée montrant les différentes composantes du conteneur isotherme selon l'invention et leur agencement ;
- la figure 2 est une vue de profil détaillée du couvercle diffuseur selon la coupe AA ;
- la figure 3 est une vue de dessus du couvercle diffuseur ;
- la figure 4 est une vue de profil selon la coupe BB du couvercle isolant.
- Figure 1 is an exploded perspective view showing the various components of the insulated container according to the invention and their arrangement;
- Figure 2 is a detailed profile view of the diffuser cover according to section AA;
- Figure 3 is a top view of the diffuser cover;
- Figure 4 is a side view along section BB of the insulating cover.
La figure 1 montre donc une vue éclatée d'un
conteneur isotherme 1 selon la présente invention où
tous les éléments le composant sont représentés.Figure 1 therefore shows an exploded view of a
insulated
Ainsi, le conteneur isotherme comprend tout
d'abord un bac 2, de forme parallélépipédique, de
préférence en polypropylène utilisable à des fins
alimentairesSo the insulated container includes everything
first a
Le bac 2 est prévu pour être emboítable et
gerbable et comprend des dimensions extérieures
standards.The
Un habillage 3 en matériau isolant, de préférence
en polystyrène à usage alimentaire, vient recouvrir
l'intérieur du bac 2 sur ses quatre faces latérales
ainsi que le fond du bac 2. L'habillage 3 en matériau
isolant est fabriqué d'une seule pièce et épouse
parfaitement les formes intérieures du bac 2 en
polypropylène.A covering 3 made of insulating material, preferably
in polystyrene for food use, covers
inside of
A près que des produits frais sont placés à
l'intérieur du bac 2, un couvercle diffuseur 4 avec des
moyens de refroidissement intégrés est prévu pour être
disposé sur le dessus du bac 2 et permet de maintenir
l'intérieur du bac 2 muni de son habillage en matériau
isolant 3 à une température comprise de préférence
entre 0 et 4°C. Le couvercle diffuseur 4 sera vu plus
en détail aux figures 2 et 3.Unless fresh produce is placed
inside the
Enfin, un couvercle isolant 5 vient coiffer le
couvercle diffuseur 4 et permet d'isoler thermiquement
l'ensemble qui forme alors une enceinte isotherme. Le
couverle isolant 5 est formé de préférence en
polystyrène à usage alimentaire et peut être
avantageusement doté de deux petites ouvertures 51 et 52
respectivement sur deux bords opposés du couvercle de
façon à pouvoir retirer facilement le couvercle
manuellement.Finally, an
Selon un mode de réalisation particulier, le bac
2 comprend en plus un couvercle solidaire en
polypropylène 6.According to a particular embodiment, the
Le couvercle 6 solidaire du bac 2 peut alors être
doté de moyens de fermeture non représentés qui
permettent de sceller le bac lorsque le couvercle 6 se
referme par-dessus de façon à s'assurer que la chaíne
du froid n'a pas été rompue au cours du transport.The
La figure 2 montre une vue détaillée du couvercle
diffuseur 4 et notamment des moyens de refroidissement
intégrés selon la coupe AA de la figure 1.Figure 2 shows a detailed view of the
Les moyens de refroidissement intégrés au
couvercle 4 comprennent une source réfrigérante
autonome 7 disposée sur une nacelle de support 8
formant une interface entre la source réfrigérante
autonome 7 et un pont thermique 9.The cooling means integrated into the
La source réfrigérante autonome 7 est constituée de préférence d'anhydride carbonique sous forme solide encore appelé glace carbonique et est à une température de -70°C environ.The autonomous refrigerating source 7 is constituted preferably carbon dioxide in solid form also called dry ice and is at a temperature from -70 ° C approximately.
De façon avantageuse, le pont thermique 9 est
réalisé avec un matériau possédant une chaleur
spécifique faible. Par exemple, le pont thermique est
réalisé en aluminium.Advantageously, the
La figure 3 montre une vue de dessus du couvercle
diffuseur 4 muni des moyens de refroidissement intégrés
7, 8 et 9 où apparaít la structure du pont thermique 9.
Le pont thermique 9 est ainsi mis en oeuvre par
l'intermédiaire d'un ensemble de barres d'aluminium,
fixées au couvercle diffuseur par collage ou par tout
autre moyen de fixation adapté. L'ensemble des barres
d'aluminium composant le pont thermique selon
l'invention présente avantageusement une structure en
double « H » qui s'étend sur toute la longueur du
couvercle diffuseur 4. La nacelle de support 8 est
alors placée au-dessus, de façon à recouvrir les deux
barres verticales 10 et 11 formant le double « H ». Les
deux barres verticales 10 et 11 du pont thermique
permettent de cette façon de supporter la nacelle.
D'autres types de structure que celle en double « H »
précédemment décrite peuvent bien sûr être envisagées
sans sortir pour autant du cadre de la présente
invention.Figure 3 shows a top view of the
Le pont thermique 9 a en fait pour fonction
essentielle de répartir uniformément la température
fournie par la source réfrigérante autonome 7 au-dessus
du bac en polypropylène où sont stockés les produits
frais. La bonne répartition thermique de la température
fournie par la source réfrigérante dans le bac est donc
assurée grâce au pont thermique 9 possédant notamment
les propriétés particulières mentionnées ci-dessus.The
Cependant, la température de la source réfrigérante autonome 7 mise en oeuvre est trop basse pour l'usage prévu du conteneur isotherme selon la présente invention.However, the temperature of the source standalone refrigerant 7 implementation is too low for the intended use of the insulated container according to the present invention.
Ainsi, la nacelle de support 8 est
avantageusement réalisée en matériau isolant thermique.
On utilise par exemple du polypropylène.Thus, the
La nacelle de support 8 de la source réfrigérante
constitue donc une première interface jouant le rôle
d'isolant thermique entre la source réfrigérante
autonome 7 et le pont thermique 9 pour remonter la
température fournie par la source réfrigérante et ainsi
obtenir une diffusion plus douce.The
Cette caractéristique de la nacelle de support 8
de la source réfrigérante est obtenue grâce aux bonnes
propriétés isolantes du polypropylène dont elle est
constituée.This characteristic of the
De la même façon, le couvercle diffuseur 4 est en
matériau isolant thermique et constitue une deuxième
interface jouant le rôle d'isolant thermique entre le
pont thermique 9 et l'intérieur du bac où sont stockés
les produits frais.Similarly, the
Selon un mode de réalisation préféré, le couvercle diffuseur est constitué d'une plaque en plexiglas. According to a preferred embodiment, the diffuser cover consists of a plate plexiglass.
La plaque de plexiglas formant le couvercle 4
permet alors de remonter encore la température fournie
par la source réfrigérante 7 pour la diffuser ensuite à
l'intérieur du bac de manière à obtenir la température
de conservation voulue comprise de préférence entre 0°C
et 4°C à l'intérieur du bac.The plexiglass plate forming the
De plus, la plaque de plexiglas formant le
couvercle diffuseur 4 permet d'isoler les produits
stockés à l'intérieur du bac du gaz carbonique dégagé
par la source réfrigérante autonome 7 qui pourrait
altérer certains d'entre eux. En effet, à la pression
atmosphérique, la glace carbonique se sublime et dégage
du gaz carbonique.In addition, the plexiglass plate forming the
Dans un mode de réalisation particulier de
l'invention, le couvercle diffuseur 4 et la nacelle de
support 8 sont formés à partir d'une seule et même
plaque de matériau déformable isolant thermique, de
préférence une plaque en polypropylène alvéolé. Une
première opération consiste tout d'abord à réaliser le
pont thermique 9 sur la plaque de polypropylène
alvéolé. Pour ce faire, des bandes d'aluminium
encollées sont disposées à la surface de la plaque de
sorte à former le motif en double « H » tel que déjà
décrit en référence à la figure 3. Le motif en double
« H » est cependant prévu pour s'étendre seulement sur
la moitié de la surface totale de la plaque. Puis, par
la mise en oeuvre d'une suite d'opérations adéquates de
découpe et de thermoformage, la première moitié de la
plaque en polypropylène alvéolé comprenant le pont
thermique est mise en forme de façon à ce que la zone
située en regard des bandes verticales 10 et 11
d'aluminium formant le double « H » soit surrélevée,
formant ainsi la nacelle de support 8 pour la source
réfrigérante autonome 7. In a particular embodiment of
the invention, the
La seconde moitié de la plaque de polypropylène alvéolé non mise en forme est alors repliée sous la première moitié de plaque thermoformée de sorte à venir recouvrir les bandes d'aluminium formant le pont thermique.The second half of the polypropylene plate unformed honeycomb is then folded under the first half of thermoformed sheet so as to come cover the aluminum strips forming the bridge thermal.
Le couvercle diffuseur ainsi obtenu doté de son pont thermique et de sa nacelle de support présente avantageusement les mêmes caractéristiques que le couvercle diffuseur obtenu selon le premier mode de réalisation en référence aux figures 2 et 3.The diffuser cover thus obtained with its thermal bridge and its support nacelle present advantageously the same characteristics as the diffuser cover obtained according to the first mode of embodiment with reference to Figures 2 and 3.
Ce mode de réalisation particulier où le
couvercle diffuseur 4 et la nacelle de support 8 sont
obtenus par pliage à partir d'une unique plaque de
polypropylène alvéolé, permet en fait d'abaisser
fortement le coût de fabrication de l'ensemble
couvercle diffuseur et donc d'envisager son emploi à
usage unique.This particular embodiment where the
Enfin, la figure 4 montre un détail une vue de
profil du couvercle isolant 5 selon la coupe BB de la
figure 1.Finally, Figure 4 shows a detail a view of
profile of the insulating
Le couvercle isolant 5 en polystyrène comprend un
évidemment 10 au centre de sa surface inférieure dans
lequel est logée la glace carbonique 7, lors de la mise
en place du couvercle isolant 5.The insulating
Le conteneur isotherme obtenu grâce à la présente invention est donc simple à réaliser et permet d'assurer un maintien des produits frais stockés à leur température de conservation pendant plusieurs heures.The insulated container obtained by this invention is therefore simple to carry out and allows maintain fresh produce stored at their storage temperature for several hours.
De plus, les moyens de refroidissement intégrés au couvercle diffuseur sont rechargeables et la quantité de glace carbonique mise en place au sein du couvercle diffuseur permet à l'utilisateur d'optimiser et de moduler le maintien de la durée de la chaíne du froid selon ses besoins.In addition, the integrated cooling means on the diffuser cover are rechargeable and the amount of dry ice placed in the diffuser cover allows user to optimize and modulate the maintenance of the duration of the chain cold as needed.
Claims (11)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0102169A FR2821067B1 (en) | 2001-02-16 | 2001-02-16 | INSULATED CONTAINER |
| FR0102169 | 2001-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1233243A1 true EP1233243A1 (en) | 2002-08-21 |
| EP1233243B1 EP1233243B1 (en) | 2005-01-12 |
Family
ID=8860132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02290354A Expired - Lifetime EP1233243B1 (en) | 2001-02-16 | 2002-02-13 | Isothermal container |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6668577B2 (en) |
| EP (1) | EP1233243B1 (en) |
| JP (1) | JP3988119B2 (en) |
| AT (1) | ATE287072T1 (en) |
| DE (1) | DE60202541T2 (en) |
| DK (1) | DK1233243T3 (en) |
| ES (1) | ES2236453T3 (en) |
| FR (1) | FR2821067B1 (en) |
| HK (1) | HK1050238B (en) |
| PT (1) | PT1233243E (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080135564A1 (en) * | 2006-12-12 | 2008-06-12 | Benjamin Romero | Container for shipping products, which controls temperature of products |
| US20110041521A1 (en) * | 2009-08-18 | 2011-02-24 | Thomas Kessler | Lined beverage-cooling container |
| CN102530394B (en) * | 2012-01-13 | 2013-11-20 | 成都川盛塑胶有限公司 | Non-electric freshness and moisture preserving container |
| US9291296B2 (en) * | 2012-11-06 | 2016-03-22 | Polar Tech Industries, Inc. | Blowback shield for carbon dioxide discharge horn |
| CN103466206A (en) * | 2013-09-30 | 2013-12-25 | 昆山市富众网络科技有限公司 | Crab carrying case |
| US9322588B2 (en) | 2014-01-29 | 2016-04-26 | Fit & Fresh, Inc. | Hot or cold dual insulating food service assembly |
| US11511928B2 (en) | 2017-05-09 | 2022-11-29 | Cold Chain Technologies, Llc | Shipping system for storing and/or transporting temperature-sensitive materials |
| CA3065758C (en) | 2017-05-09 | 2022-10-18 | Cold Chain Technologies, Llc | Shipping system for storing and/or transporting temperature-sensitive materials |
| WO2019204660A1 (en) | 2018-04-19 | 2019-10-24 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| US10989466B2 (en) | 2019-01-11 | 2021-04-27 | Ember Technologies, Inc. | Portable cooler with active temperature control |
| WO2020150644A1 (en) * | 2019-01-17 | 2020-07-23 | Cold Chain Technologies, Llc | Thermally insulated shipping system for parcel-sized payload |
| US11162716B2 (en) | 2019-06-25 | 2021-11-02 | Ember Technologies, Inc. | Portable cooler |
| AU2020304631A1 (en) | 2019-06-25 | 2022-01-06 | Yeti Coolers, Llc | Portable cooler |
| US11668508B2 (en) | 2019-06-25 | 2023-06-06 | Ember Technologies, Inc. | Portable cooler |
| KR20220163473A (en) | 2020-04-03 | 2022-12-09 | 엠버 라이프사이언스, 아이엔씨. | Portable Cooler with Active Temperature Control |
| US20220343270A1 (en) * | 2021-04-21 | 2022-10-27 | Cold Chain Technologies, Llc | Method and system for storing and/or transporting temperature-sensitive materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2289060A (en) * | 1940-03-12 | 1942-07-07 | Merkle Corp | Method of and apparatus for utilizing dry ice |
| US4576017A (en) * | 1985-02-26 | 1986-03-18 | Baxter Travenol Laboratories, Inc. | Insulated shipping container |
| WO1997045326A1 (en) * | 1996-05-27 | 1997-12-04 | Armacel Pty. Limited | A multi-piece housing |
| EP1074483A1 (en) * | 1999-07-30 | 2001-02-07 | Saldogas S.r.l. | Isothermal container with refrigerating means |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498312A (en) * | 1983-11-23 | 1985-02-12 | Schlosser Edward P | Method and apparatus for maintaining products at selected temperatures |
| US4936377A (en) * | 1986-12-11 | 1990-06-26 | The Boeing Company | Food storage cart with thermo wall |
| US6189330B1 (en) * | 1998-01-06 | 2001-02-20 | Campbell Soup Company | Container, system and process for shipping and storing food products and method for recycling shipping and storage containers |
| US5899088A (en) * | 1998-05-14 | 1999-05-04 | Throwleigh Technologies, L.L.C. | Phase change system for temperature control |
| US6332334B1 (en) * | 1999-05-10 | 2001-12-25 | Webvan Group, Inc. | Method and apparatus for handling and transporting temperature-sensitive items |
| US6308518B1 (en) * | 1999-09-28 | 2001-10-30 | Rick C. Hunter | Thermal barrier enclosure system |
| GB9929047D0 (en) * | 1999-12-08 | 2000-02-02 | Boc Group Plc | Containers for perishable produce |
| US6415623B1 (en) * | 2001-01-05 | 2002-07-09 | Cold Sell Systems, Llc | Point of sale product chiller |
| US6295830B1 (en) * | 2001-02-28 | 2001-10-02 | The Boc Group, Inc. | Portable container for refrigerated or frozen goods |
-
2001
- 2001-02-16 FR FR0102169A patent/FR2821067B1/en not_active Expired - Fee Related
-
2002
- 2002-02-13 DE DE60202541T patent/DE60202541T2/en not_active Expired - Fee Related
- 2002-02-13 EP EP02290354A patent/EP1233243B1/en not_active Expired - Lifetime
- 2002-02-13 PT PT02290354T patent/PT1233243E/en unknown
- 2002-02-13 AT AT02290354T patent/ATE287072T1/en not_active IP Right Cessation
- 2002-02-13 ES ES02290354T patent/ES2236453T3/en not_active Expired - Lifetime
- 2002-02-13 DK DK02290354T patent/DK1233243T3/en active
- 2002-02-15 US US10/077,576 patent/US6668577B2/en not_active Expired - Lifetime
- 2002-02-18 JP JP2002039982A patent/JP3988119B2/en not_active Expired - Fee Related
-
2003
- 2003-02-21 HK HK03101364.3A patent/HK1050238B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2289060A (en) * | 1940-03-12 | 1942-07-07 | Merkle Corp | Method of and apparatus for utilizing dry ice |
| US4576017A (en) * | 1985-02-26 | 1986-03-18 | Baxter Travenol Laboratories, Inc. | Insulated shipping container |
| WO1997045326A1 (en) * | 1996-05-27 | 1997-12-04 | Armacel Pty. Limited | A multi-piece housing |
| EP1074483A1 (en) * | 1999-07-30 | 2001-02-07 | Saldogas S.r.l. | Isothermal container with refrigerating means |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002274579A (en) | 2002-09-25 |
| DK1233243T3 (en) | 2005-05-30 |
| JP3988119B2 (en) | 2007-10-10 |
| HK1050238B (en) | 2005-10-14 |
| PT1233243E (en) | 2005-05-31 |
| US6668577B2 (en) | 2003-12-30 |
| ATE287072T1 (en) | 2005-01-15 |
| FR2821067A1 (en) | 2002-08-23 |
| DE60202541D1 (en) | 2005-02-17 |
| EP1233243B1 (en) | 2005-01-12 |
| FR2821067B1 (en) | 2003-08-15 |
| US20020124588A1 (en) | 2002-09-12 |
| DE60202541T2 (en) | 2005-12-22 |
| ES2236453T3 (en) | 2005-07-16 |
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