EP1398583A2 - Double-walled heat insulating device - Google Patents
Double-walled heat insulating device Download PDFInfo
- Publication number
- EP1398583A2 EP1398583A2 EP03292205A EP03292205A EP1398583A2 EP 1398583 A2 EP1398583 A2 EP 1398583A2 EP 03292205 A EP03292205 A EP 03292205A EP 03292205 A EP03292205 A EP 03292205A EP 1398583 A2 EP1398583 A2 EP 1398583A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- envelope
- vase
- waterproof
- vessel
- less
- 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- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 19
- 235000011837 pasties Nutrition 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 10
- 239000011111 cardboard Substances 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 235000020965 cold beverage Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
- F25D3/06—Movable containers
- F25D3/08—Movable containers portable, i.e. adapted to be carried personally
-
- 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
- F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
- F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
- F25D2303/083—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled
- F25D2303/0831—Devices using cold storage material, i.e. ice or other freezable liquid using cold storage material disposed in closed wall forming part of a container for products to be cooled the liquid is disposed in the space between the walls of the 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
- F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
- F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
- F25D2303/084—Position of the cold storage material in relationship to a product to be cooled
- F25D2303/0841—Position of the cold storage material in relationship to a product to be cooled external to the container for a beverage, e.g. a bottle, can, drinking glass or pitcher
-
- 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
- F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
- F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
- F25D2303/084—Position of the cold storage material in relationship to a product to be cooled
- F25D2303/0843—Position of the cold storage material in relationship to a product to be cooled on the side of the product
-
- 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
- F25D2331/803—Bottles
-
- 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
- F25D2331/809—Holders
-
- 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
- F25D2500/00—Problems to be solved
- F25D2500/02—Geometry problems
-
- 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
- F25D31/00—Other cooling or freezing apparatus
- F25D31/006—Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks
- F25D31/007—Bottles or cans
Definitions
- the present invention relates to the field of containers for temperature-keeping drinks or other liquids.
- the invention relates to more particularly a double wall thermally insulating device.
- thermos It is known in the prior art of devices for preserving drink at an initial temperature.
- the insulated bottle with the registered name "thermos" is an example of a device allowing a liquid to retain its temperature for several hours.
- This device has a non-negligible size. It serves as container for liquids but cannot contain bottles. In addition, it presents the disadvantage of being heavy and its manufacturing cost is not cheap.
- Thermally insulating equipment is also known intended for products sensitive to temperature variations. These devices, relatively complex and requiring cooling elements often expensive, are especially suitable for the conservation of small objects dimensions.
- the object of the present invention is therefore to alleviate one or more of the disadvantages of the prior art by proposing a thermal device double wall insulation made of very economical, lightweight materials which allows efficient storage of drinks or other liquids.
- a double thermally insulating device wall comprising an open envelope comprising a thermal insulator, a said interior vase forming a volume significantly lower than that formed by the envelope and inserted into said envelope, a closure element, a pasty material, characterized in that said inner vessel, made of material thermally conductive waterproof, includes a flange so connected sealed at the edges of the opening of said envelope by crimping, the vase interior with at least double machining so that at least one wall of the vase is separated from said envelope by a spacing, said spacing being filled at least three quarters by said pasty material.
- said pasty material is impermeable and includes clay or gel.
- said pasty material absorbing heat, contains a substance that accumulates calories / frigories.
- the interior vase includes a flare and at least a section portion smaller than the section of the volume formed by the envelope.
- the said vase is cylindrical with a inner diameter substantially equal to 9 cm and has an enlarged opening whose inside diameter is at least 9.7 cm, the bottom of the cylinder formed by the vase being flat or curved outwards, said envelope having a cylindrical shape and an internal diameter substantially equal to the diameter of said opening of the vase.
- said envelope comprises a rigid bottom of metal or plastic integral with a tubular wall, said tubular wall comprising cardboard inserted between an impermeable inner layer and a waterproof outer layer, said waterproof layers comprising at least minus a sheet of light metal.
- said envelope comprises plastic raincoat.
- the interior vase is made of aluminum and / or made of iron and the length of said vase is less than the length of said envelope, the length of said vase remaining less than 35 cm.
- said closing element of plastic, glass or cardboard, is a cylindrical cover resting on the top of said vase and / or leaning on an inverted shoulder marking the change of section of the vase to form said enlarged opening.
- the transition angle of said change in section to form the enlarged opening is between 30 and 90 °.
- the thickness of said envelope is less than 3 mm and the thickness of the vase is less than 2 mm.
- said spacing comprises 15 to 20% air.
- the double wall thermally insulating device includes a so-called interior vessel (1) forming a first wall and an open envelope (2) comprising a thermal insulator forming the second wall.
- the inner vessel (1) is made of thermally sealed material conductor, for example aluminum or iron, and the length (L1) of said vessel (1) is less than the length (L2) of the envelope (2).
- the envelope (2) can comprise a rigid base (20) of metal or plastic secured to a wall tubular to form a cylinder.
- the envelope (2) can also have a shape parallelepiped or the like.
- the rigid wall of the bottom (20) comprises cardboard inserted between an inner layer and an outer layer both waterproof. These waterproof layers include at least one sheet a light metal such as aluminum.
- the cardboard can be simply covered an aluminum deposit.
- the layers raincoats include a layer of aluminum laminated to a polymer, for example polyethylene.
- the envelope can just as easily include a single waterproof layer covering the inside of the carton.
- the exterior of the envelope can be personalized with a covering, a printed finish.
- the cardboard can be replaced by another light material and insulating, in particular by plastic.
- the envelope can also be made only waterproof plastic.
- the device according to the invention can include, for example, a transparent plastic envelope (2).
- the inner vase (1) is inserted into the envelope and tightly connected to the edges of the opening of said envelope (2).
- the interior vase (1) includes a flange (12) crimped in said envelope (2) to ensure this tightness.
- the inner vessel (1) also includes a double machining forming a portion of section smaller than the section of the volume formed by the envelope (2), said narrow portion.
- the diameter called internal diameter (D1) of said narrow portion is, for example, at least 7 mm less than the diameter (D2) of the envelope (2).
- a spacing (3) therefore separates both said first and second walls as well as the bottom (10) of the vase (1) and the bottom (20) of the envelope (2).
- the length (L1) of the interior vessel (1) is sufficient to allow the interior vessel (1) to contain one or more bottles. It can be at least 20 cm to allow the insertion into the vase (1) of two superimposed cans and by example less than 35 cm to avoid too much space.
- the length difference (L2-L1) between the inner vessel (1) and the envelope (2) is for example between 3 mm and a few centimeters.
- the bottom (10) of the vase (1) touches the bottom (20) of the envelope (2) to minimize the overall length of the device according to the invention.
- the space (3) between the two walls is filled at least three times quarters with pasty material before crimping or before any other similar operation aiming to seal the outline of the opening (11) of the vase (1) with the envelope (2).
- the term pasty is used to designate any material of high viscosity, slow-flowing fluid or substance having an intermediate consistency between the liquid and the solid.
- the pasty material is preferably waterproof and includes a calorie / frigory accumulator like clay or gel.
- Clay for example, has properties accumulation of cold due to its low eutectic point.
- the clay used is common clay, which can be composed of kaolinite, montmorillonite, chlorite and other common clays.
- As the envelope (2) is waterproof / waterproof, moisture remains confined in the filled space (3) heat absorbing pasty material. Clay also helps keep contents warm.
- the inner vessel (1) can be secured to the envelope (2) by molding. It is possible to add a food contact layer on inside the vase (1). In one embodiment of the invention, a system with easy opening is inserted during crimping, molding or similar operation for fixing the vase (1) in the envelope (2).
- the vase (1) is cylindrical with an internal diameter (D1) substantially equal to 9 cm and has an enlarged opening (11) whose diameter (D11) is at least equal to 9.7 cm.
- the flanged edge (12) has for example a diameter (D12) extending about 10.5 cm.
- the internal diameter (D2) of the cylindrical casing (2) is substantially equal to the diameter (D11) of said enlarged opening (11) of the vase (1).
- the bottom (10) of the cylinder formed by the vase (1) can be curved towards the exterior, which in particular makes it possible to make the material flow more easily pasty between the walls.
- said narrow portion of the inner vessel (1) has a length (L10) representing more than 95% of the total length (L1) of said vessel (1).
- the transition angle (a) between the portion narrow and said enlarged opening (11) can be for example between 30 ° and 90 °.
- the embodiment of FIG. 3B differs from that of FIG. 3A by a shorter length (L10 ') for said narrow portion, representing by example at least 85% of the total length (L1) of the vase (1).
- the vase (1) is wedged in the envelope (2) by friction of said enlarged opening (11) against the wall of the envelope (2).
- Edge crimping collar (12) then ensures sealing.
- the inner vase (1) can include a groove (not shown) placed below the edge in collar (12) in particular to facilitate crimping.
- the thickness of the envelope (2) is less than 3 mm and the thickness of the vessel (1) is less than 2 mm, so that the insulating device double wall remains light.
- the bottom (10) of the vase (1) can be flat.
- the length (L11) of the portion corresponding to said enlarged opening (11) measurement is of the order of a centimeter.
- the intermediate portion (13) between the enlarged opening (11) and the narrow portion does not exceed one centimeter of length.
- the narrow portion and the portion corresponding to the enlarged opening (11) can be cylindrical, as illustrated by the top view presented in Figure 5, but other forms suitable for packaging bottles or packaging containing liquids can be considered.
- the double wall thermally insulating device includes a closure element (4) made of plastic, glass, light metal or in cardboard.
- This closing element (4) is for example a cover cylindrical closing said enlarged opening (11).
- the cylindrical cover illustrated in Figure 6 includes a flattened upper portion (42) of diameter (D42) substantially equal to the diameter of the collar (12) to come to bear on the top of the interior vase (1). It also includes a lower part (41) complementary to the enlarged opening (11), wedging in said opening (11) and allowing to close the vase (1).
- the diameter (D41) of this lower part (41) is substantially equal to the diameter (D11) of said enlarged opening (11).
- Sealing means can be added to said closure element (4) or on the inner part of the enlarged opening (11). he it is also possible to consider adding closure means, for example example by clipping, so that the closure element (4) remains integral with the rest of the device according to the invention.
- the cover cylindrical is not flattened but rather elongated to increase the capacity of the device according to the invention.
- This elongated cover (4 ') has a diameter (42) substantially equal to the diameter (D11) of said enlarged opening (11).
- the elongated cover (4 ') comes to rest on the inverted shoulder formed by said intermediate portion (13).
- This elongated cover (4 ') can include a rigid top, for example similar to the bottom (20) of the envelope (2), so that the device can be positioned either at the place or at backwards.
- the spacing (3) between the walls contains 15 to 20% air (5) in order to absorb a dilation of the pasty material.
- the device according to the invention is for example adapted to be cooled at the same time as its content on the shelves of distributor stores and allows the customer to transport the product while keeping it cool for direct use.
- the device can be kept with its contents at refrigerator, or even freezer when removing the cover. It allows to keep a bottle cool without using ice cubes. It is possible to cool a bottle using the device kept cold, water being example poured into the inner vessel (1) to accelerate and homogenize the cooling.
- thermally insulating device lies in the simplicity of its constituents and its low production cost, while ensuring good temperature conservation for a period of a few hours. It is reusable and is composed of contact products biodegradable or recyclable food.
- Another advantage of this device is its small size. Lightweight, it is for example particularly suitable, especially in the leisure setting, transport of cold drinks, chocolate, foie gras.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
Description
La présente invention concerne le domaine des conteneurs de boissons ou autres liquides conservant la température. L'invention concerne plus particulièrement un dispositif thermiquement isolant à double paroi.The present invention relates to the field of containers for temperature-keeping drinks or other liquids. The invention relates to more particularly a double wall thermally insulating device.
Il est connu dans l'art antérieur des dispositifs de conservation de boisson à une température initiale. La bouteille isolante au nom déposé "thermos" est un exemple de dispositif permettant à un liquide de conserver sa température pendant plusieurs heures.It is known in the prior art of devices for preserving drink at an initial temperature. The insulated bottle with the registered name "thermos" is an example of a device allowing a liquid to retain its temperature for several hours.
Ce dispositif présente un encombrement non négligeable. Il sert de récipient à des liquides mais ne peut contenir de bouteilles. De plus, il présente l'inconvénient d'être lourd et son coût de fabrication n'est pas bon marché.This device has a non-negligible size. It serves as container for liquids but cannot contain bottles. In addition, it presents the disadvantage of being heavy and its manufacturing cost is not cheap.
Il est connu également des équipements isolants thermiquement destinés à des produits sensibles aux variations de température. Ces dispositifs, relativement complexes et nécessitant des éléments réfrigérants souvent coûteux, sont surtout adaptés à la conservation d'objets de petites dimensions.Thermally insulating equipment is also known intended for products sensitive to temperature variations. These devices, relatively complex and requiring cooling elements often expensive, are especially suitable for the conservation of small objects dimensions.
La présente invention a donc pour objet de pallier un ou plusieurs des inconvénients de l'art antérieur en proposant un dispositif thermiquement isolant à double paroi constitué de matériaux très économiques, léger, et qui permette de conserver efficacement des boissons ou autres liquides.The object of the present invention is therefore to alleviate one or more of the disadvantages of the prior art by proposing a thermal device double wall insulation made of very economical, lightweight materials which allows efficient storage of drinks or other liquids.
Ce but est atteint par un dispositif thermiquement isolant à double paroi, comportant une enveloppe ouverte comprenant un isolant thermique, un vase dit intérieur formant un volume sensiblement inférieur à celui formé par l'enveloppe et inséré dans ladite enveloppe, un élément de fermeture, une matière pâteuse, caractérisé en ce que ledit vase intérieur, en matériau étanche thermiquement conducteur, comprend une collerette reliée de manière étanche aux bords de l'ouverture de ladite enveloppe par sertissage, le vase intérieur comportant au moins un double usinage de sorte qu'au moins une paroi du vase est séparée de la dite enveloppe par un espacement, ledit espacement étant rempli au moins aux trois quarts par ladite matière pâteuse.This object is achieved by a double thermally insulating device wall, comprising an open envelope comprising a thermal insulator, a said interior vase forming a volume significantly lower than that formed by the envelope and inserted into said envelope, a closure element, a pasty material, characterized in that said inner vessel, made of material thermally conductive waterproof, includes a flange so connected sealed at the edges of the opening of said envelope by crimping, the vase interior with at least double machining so that at least one wall of the vase is separated from said envelope by a spacing, said spacing being filled at least three quarters by said pasty material.
Selon une autre particularité, ladite matière pâteuse est imperméable et comprend de l'argile ou un gel.According to another particular feature, said pasty material is impermeable and includes clay or gel.
Selon une autre particularité, ladite matière pâteuse, absorbant de la chaleur, comporte une substance accumulatrice de calories/frigories.According to another particular feature, said pasty material, absorbing heat, contains a substance that accumulates calories / frigories.
Selon une autre particularité, le vase intérieur comprend un évasement et au moins une portion de section inférieure à la section du volume formé par l'enveloppe.In another feature, the interior vase includes a flare and at least a section portion smaller than the section of the volume formed by the envelope.
Selon une autre particularité, le dit vase est cylindrique avec un diamètre intérieur sensiblement égal à 9 cm et comporte une ouverture élargie dont le diamètre intérieur est au moins égal à 9,7 cm, le fond du cylindre formé par le vase étant plat ou bombé vers l'extérieur, ladite enveloppe ayant une forme cylindrique et un diamètre intérieur sensiblement égal au diamètre de ladite ouverture du vase.According to another particularity, the said vase is cylindrical with a inner diameter substantially equal to 9 cm and has an enlarged opening whose inside diameter is at least 9.7 cm, the bottom of the cylinder formed by the vase being flat or curved outwards, said envelope having a cylindrical shape and an internal diameter substantially equal to the diameter of said opening of the vase.
Selon une autre particularité, ladite enveloppe comprend un fond rigide en métal ou plastique solidaire d'une paroi tubulaire, ladite paroi tubulaire comportant du carton inséré entre une couche interne imperméable et une couche externe imperméable, lesdites couches imperméables comportant au moins une feuille d'un métal léger.According to another particular feature, said envelope comprises a rigid bottom of metal or plastic integral with a tubular wall, said tubular wall comprising cardboard inserted between an impermeable inner layer and a waterproof outer layer, said waterproof layers comprising at least minus a sheet of light metal.
Selon une autre particularité, ladite enveloppe comprend du plastique imperméable.According to another particular feature, said envelope comprises plastic raincoat.
Selon une autre particularité, le vase intérieur est en aluminium et/ou en fer et la longueur dudit vase est inférieure à la longueur de ladite enveloppe, la longueur dudit vase restant inférieure à 35 cm.According to another particular feature, the interior vase is made of aluminum and / or made of iron and the length of said vase is less than the length of said envelope, the length of said vase remaining less than 35 cm.
Selon une autre particularité, ledit élément de fermeture, en plastique, en verre ou en carton, est un couvercle cylindrique s'appuyant sur le dessus dudit vase et/ou s'appuyant sur un épaulement renversé marquant le changement de section du vase pour former ladite ouverture élargie. According to another particular feature, said closing element, of plastic, glass or cardboard, is a cylindrical cover resting on the top of said vase and / or leaning on an inverted shoulder marking the change of section of the vase to form said enlarged opening.
Selon une autre particularité, l'angle de transition dudit changement de section pour former l'ouverture élargie est compris entre 30 et 90°.According to another particular feature, the transition angle of said change in section to form the enlarged opening is between 30 and 90 °.
Selon une autre particularité, l'épaisseur de la dite enveloppe est inférieure à 3 mm et l'épaisseur du vase est inférieure à 2 mm.According to another particular feature, the thickness of said envelope is less than 3 mm and the thickness of the vase is less than 2 mm.
Selon une autre particularité, ledit espacement comporte 15 à 20% d'air.According to another particular feature, said spacing comprises 15 to 20% air.
L'invention, avec ses caractéristiques et avantages, ressortira plus clairement à la lecture de la description faite en référence aux dessins annexés dans lesquels :
- la figure 1 représente une vue en perspective d'un mode de réalisation de l'invention,
- la figure 2 représente en perspective un mode de réalisation du vase intérieur,
- les figures 3A et 3B représentent des vues en coupe de deux modes de réalisation différents de l'invention,
- la figure 4 représente une vue de profil d'un mode de réalisation du vase intérieur,
- la figure 5 représente une vue de dessus d'un mode de réalisation du vase intérieur,
- la figure 6 représente en perspective une première variante de réalisation du système de fermeture,
- la figure 7 représente un mode de réalisation de l'invention avec une seconde variante de système de fermeture.
- FIG. 1 represents a perspective view of an embodiment of the invention,
- FIG. 2 shows in perspective an embodiment of the interior vase,
- FIGS. 3A and 3B represent sectional views of two different embodiments of the invention,
- FIG. 4 represents a side view of an embodiment of the interior vase,
- FIG. 5 represents a top view of an embodiment of the interior vase,
- FIG. 6 shows in perspective a first alternative embodiment of the closure system,
- FIG. 7 shows an embodiment of the invention with a second variant of the closure system.
L'invention va à présent être décrite en référence aux figures 1 et 2. Le dispositif thermiquement isolant à double paroi comporte un vase dit intérieur (1 ) formant une première paroi et une enveloppe ouverte (2) comprenant un isolant thermique formant la deuxième paroi. Dans le mode de réalisation de la figure 1, le vase intérieur (1) est en matériau étanche thermiquement conducteur, par exemple en aluminium ou en fer, et la longueur (L1) dudit vase (1) est inférieure à la longueur (L2) de l'enveloppe (2). L'enveloppe (2) peut comprendre un fond (20) rigide en métal ou en plastique solidaire d'une paroi tubulaire pour former un cylindre. L'enveloppe (2) peut aussi avoir une forme parallélépipédique ou analogue. La paroi solidaire du fond (20) rigide comporte du carton inséré entre une couche interne et une couche externe toutes deux imperméables. Ces couches imperméables comportent au moins une feuille d'un métal léger tel que l'aluminium. Le carton peut être simplement recouvert d'un dépôt d'aluminium. Dans une variante de réalisation, les couches imperméables comprennent une couche d'aluminium laminé sur un polymère, par exemple le polyéthylène. L'enveloppe peut tout aussi bien comprendre une seule couche imperméable recouvrant la partie intérieure du carton. L'extérieur de l'enveloppe peut être personnalisé avec un habillage, une finition imprimée. On comprendra que le carton peut être remplacé par un autre matériau léger et isolant, notamment par du plastique. L'enveloppe peut aussi être constituée uniquement d'un plastique imperméable. Le dispositif selon l'invention peut comporter par exemple une enveloppe (2) en plastique transparent.The invention will now be described with reference to Figures 1 and 2. The double wall thermally insulating device includes a so-called interior vessel (1) forming a first wall and an open envelope (2) comprising a thermal insulator forming the second wall. In the embodiment of the Figure 1, the inner vessel (1) is made of thermally sealed material conductor, for example aluminum or iron, and the length (L1) of said vessel (1) is less than the length (L2) of the envelope (2). The envelope (2) can comprise a rigid base (20) of metal or plastic secured to a wall tubular to form a cylinder. The envelope (2) can also have a shape parallelepiped or the like. The rigid wall of the bottom (20) comprises cardboard inserted between an inner layer and an outer layer both waterproof. These waterproof layers include at least one sheet a light metal such as aluminum. The cardboard can be simply covered an aluminum deposit. In an alternative embodiment, the layers raincoats include a layer of aluminum laminated to a polymer, for example polyethylene. The envelope can just as easily include a single waterproof layer covering the inside of the carton. The exterior of the envelope can be personalized with a covering, a printed finish. It will be understood that the cardboard can be replaced by another light material and insulating, in particular by plastic. The envelope can also be made only waterproof plastic. The device according to the invention can include, for example, a transparent plastic envelope (2).
Comme représenté à la figure 1, le vase intérieur (1) est inséré dans l'enveloppe et relié de manière étanche aux bords de l'ouverture de ladite enveloppe (2). Dans un mode de réalisation de l'invention, le vase intérieur (1) comprend une collerette (12) sertie dans ladite enveloppe (2) pour assurer cette étanchéité. Le vase intérieur (1) comprend également un double usinage formant une portion de section inférieure à la section du volume formé par l'enveloppe (2), dite portion étroite. Lorsque le vase (1) et l'enveloppe (2) sont cylindriques, le diamètre appelé diamètre intérieur (D1) de ladite portion étroite est par exemple inférieur d'au moins 7 mm au diamètre (D2) de l'enveloppe (2). Un espacement (3) sépare donc à la fois lesdites première et deuxième parois ainsi que le fond (10) du vase (1) et le fond (20) de l'enveloppe (2). La longueur (L1) du vase intérieur (1) est suffisante pour permettre au vase intérieur (1) de contenir une ou plusieurs bouteilles. Elle peut être au moins égale à 20 cm pour permettre l'insertion dans le vase (1) de deux canettes superposées et par exemple inférieure à 35 cm pour éviter un encombrement trop important. La différence de longueur (L2-L1) entre le vase intérieur (1) et l'enveloppe (2) est par exemple comprise entre 3 mm et quelques centimètres. Dans un autre mode de réalisation, le fond (10) du vase (1) touche le fond (20) de l'enveloppe (2) pour réduire au maximum l'encombrement en longueur du dispositif selon l'invention.As shown in Figure 1, the inner vase (1) is inserted into the envelope and tightly connected to the edges of the opening of said envelope (2). In one embodiment of the invention, the interior vase (1) includes a flange (12) crimped in said envelope (2) to ensure this tightness. The inner vessel (1) also includes a double machining forming a portion of section smaller than the section of the volume formed by the envelope (2), said narrow portion. When the vase (1) and the envelope (2) are cylindrical, the diameter called internal diameter (D1) of said narrow portion is, for example, at least 7 mm less than the diameter (D2) of the envelope (2). A spacing (3) therefore separates both said first and second walls as well as the bottom (10) of the vase (1) and the bottom (20) of the envelope (2). The length (L1) of the interior vessel (1) is sufficient to allow the interior vessel (1) to contain one or more bottles. It can be at least 20 cm to allow the insertion into the vase (1) of two superimposed cans and by example less than 35 cm to avoid too much space. The length difference (L2-L1) between the inner vessel (1) and the envelope (2) is for example between 3 mm and a few centimeters. In another embodiment, the bottom (10) of the vase (1) touches the bottom (20) of the envelope (2) to minimize the overall length of the device according to the invention.
L'espacement (3) entre les deux parois est rempli au moins aux trois quarts par une matière pâteuse avant le sertissage ou avant toute autre opération analogue visant à fixer de manière étanche le contour de l'ouverture (11) du vase (1) avec l'enveloppe (2). Dans ce qui suit, le terme pâteux sert à désigner toute matière de forte viscosité, fluide à écoulement lent ou substance ayant une consistance intermédiaire entre le liquide et le solide. Dans un mode de réalisation de l'invention, la matière pâteuse est préférentiellement imperméable et comprend une substance accumulatrice de calories/frigories comme de l'argile ou un gel. L'argile a par exemple des propriétés d'accumulation du froid du fait de son faible point d'eutectique. L'argile utilisée est de l'argile courante, pouvant être composé de kaolinite, montmorillonite, chlorite et autres argiles courants. Comme l'enveloppe (2) est étanche/imperméable, l'humidité reste confinée dans l'espacement (3) rempli de la matière pâteuse absorbante de chaleur. L'argile permet aussi de conserver un contenu chaud.The space (3) between the two walls is filled at least three times quarters with pasty material before crimping or before any other similar operation aiming to seal the outline of the opening (11) of the vase (1) with the envelope (2). In what follows, the term pasty is used to designate any material of high viscosity, slow-flowing fluid or substance having an intermediate consistency between the liquid and the solid. In a mode embodiment of the invention, the pasty material is preferably waterproof and includes a calorie / frigory accumulator like clay or gel. Clay, for example, has properties accumulation of cold due to its low eutectic point. The clay used is common clay, which can be composed of kaolinite, montmorillonite, chlorite and other common clays. As the envelope (2) is waterproof / waterproof, moisture remains confined in the filled space (3) heat absorbing pasty material. Clay also helps keep contents warm.
Le vase intérieur (1) peut être solidarisé de l'enveloppe (2) par moulage. Il est possible d'ajouter une couche de contact alimentaire sur l'intérieur du vase (1). Dans un mode de réalisation de l'invention, un système à ouverture facile est inséré lors du sertissage, moulage ou opération analogue de fixation du vase (1) dans l'enveloppe (2).The inner vessel (1) can be secured to the envelope (2) by molding. It is possible to add a food contact layer on inside the vase (1). In one embodiment of the invention, a system with easy opening is inserted during crimping, molding or similar operation for fixing the vase (1) in the envelope (2).
Dans le mode de réalisation présenté à la figure 2, le vase (1) est cylindrique avec un diamètre intérieur (D1) sensiblement égal à 9 cm et comporte une ouverture élargie (11) dont le diamètre (D11) est au moins égal à 9,7 cm. Le bord en collerette (12) a par exemple un diamètre (D12) s'étendant sur environ 10,5 cm. Le diamètre intérieur (D2) de l'enveloppe (2) cylindrique est sensiblement égal au diamètre (D11) de ladite ouverture élargie (11) du vase (1). Le fond (10) du cylindre formé par le vase (1) peut être bombé vers l'extérieur, ce qui permet notamment de faire fluer plus facilement la matière pâteuse entre les parois.In the embodiment shown in Figure 2, the vase (1) is cylindrical with an internal diameter (D1) substantially equal to 9 cm and has an enlarged opening (11) whose diameter (D11) is at least equal to 9.7 cm. The flanged edge (12) has for example a diameter (D12) extending about 10.5 cm. The internal diameter (D2) of the cylindrical casing (2) is substantially equal to the diameter (D11) of said enlarged opening (11) of the vase (1). The bottom (10) of the cylinder formed by the vase (1) can be curved towards the exterior, which in particular makes it possible to make the material flow more easily pasty between the walls.
L'invention va à présent être décrite en référence aux figures 3A, 3B, 4 et 5.The invention will now be described with reference to FIGS. 3A, 3B, 4 and 5.
Dans le mode de réalisation de la figure 3A, ladite portion étroite du vase intérieur (1) a une longueur (L10) représentant plus de 95% de la longueur totale (L1) dudit vase (1). L'angle de transition (a) entre la portion étroite et ladite ouverture élargie (11) peut être compris par exemple entre 30° et 90°. Le mode de réalisation de la figure 3B diffère de celui de la figure 3A par une longueur plus courte (L10') pour ladite portion étroite, représentant par exemple au moins 85% de la longueur totale (L1) du vase (1). Dans cette variante, le vase (1) est calé dans l'enveloppe (2) par frottement de ladite ouverture élargie (11) contre la paroi de l'enveloppe (2). Le sertissage bord en collerette (12) permet ensuite d'assurer l'étanchéité. Le vase intérieur (1) peut comprendre une gorge (non représentée) placée en-dessous du bord en collerette (12) pour notamment faciliter le sertissage. Dans un mode de réalisation de l'invention, l'épaisseur de l'enveloppe (2) est inférieure à 3 mm et l'épaisseur du vase (1) est inférieure à 2 mm, afin que le dispositif isolant à double paroi reste léger.In the embodiment of FIG. 3A, said narrow portion of the inner vessel (1) has a length (L10) representing more than 95% of the total length (L1) of said vessel (1). The transition angle (a) between the portion narrow and said enlarged opening (11) can be for example between 30 ° and 90 °. The embodiment of FIG. 3B differs from that of FIG. 3A by a shorter length (L10 ') for said narrow portion, representing by example at least 85% of the total length (L1) of the vase (1). In this variant, the vase (1) is wedged in the envelope (2) by friction of said enlarged opening (11) against the wall of the envelope (2). Edge crimping collar (12) then ensures sealing. The inner vase (1) can include a groove (not shown) placed below the edge in collar (12) in particular to facilitate crimping. In a mode of embodiment of the invention, the thickness of the envelope (2) is less than 3 mm and the thickness of the vessel (1) is less than 2 mm, so that the insulating device double wall remains light.
Comme illustré à la figure 4, le fond (10) du vase (1 ) peut être plat. La longueur (L11) de la portion correspondant à la dite ouverture élargie (11) mesure est de l'ordre du centimètre. Dans le mode de réalisation préféré de l'invention, et de manière non limitative, la portion intermédiaire (13) entre l'ouverture élargie (11) et la portion étroite n'excède pas un centimètre de longueur. La portion étroite et la portion correspondant à l'ouverture élargie (11) peuvent être cylindriques, comme illustrée par la vue de dessus présentée en figure 5, mais d'autres formes adaptées au conditionnement de bouteilles ou d'emballages contenant des liquides peuvent être envisagées. As illustrated in Figure 4, the bottom (10) of the vase (1) can be flat. The length (L11) of the portion corresponding to said enlarged opening (11) measurement is of the order of a centimeter. In the preferred embodiment of the invention, and without limitation, the intermediate portion (13) between the enlarged opening (11) and the narrow portion does not exceed one centimeter of length. The narrow portion and the portion corresponding to the enlarged opening (11) can be cylindrical, as illustrated by the top view presented in Figure 5, but other forms suitable for packaging bottles or packaging containing liquids can be considered.
L'invention va à présent être décrite en référence aux figures 6 et 7.The invention will now be described with reference to FIGS. 6 and 7.
Le dispositif thermiquement isolant à double paroi selon l'invention comprend un élément de fermeture (4) en plastique, en verre, en métal léger ou en carton. Cet élément de fermeture (4) est par exemple un couvercle cylindrique obturant ladite ouverture élargie (11). Le couvercle cylindrique illustré à la figure 6 comprend une partie supérieure aplatie (42) de diamètre (D42) sensiblement égale au diamètre de la collerette (12) pour venir en appui sur le dessus du vase intérieur (1 ). Il comprend également une partie inférieure (41 ) complémentaire de l'ouverture élargie (11 ), venant se caler dans ladite ouverture (11 ) et permettant d'obturer le vase (1 ). Le diamètre (D41 ) de cette partie inférieure (41) est sensiblement égal au diamètre (D11) de ladite ouverture élargie (11 ). Des moyens d'étanchéité peuvent être ajoutés audit élément de fermeture (4) ou sur la partie intérieure de l'ouverture élargie (11 ). Il est également possible d'envisager l'ajout de moyens de fermeture, par exemple par clipsage, de sorte que l'élément de fermeture (4) reste solidaire du reste du dispositif selon l'invention.The double wall thermally insulating device according to the invention includes a closure element (4) made of plastic, glass, light metal or in cardboard. This closing element (4) is for example a cover cylindrical closing said enlarged opening (11). The cylindrical cover illustrated in Figure 6 includes a flattened upper portion (42) of diameter (D42) substantially equal to the diameter of the collar (12) to come to bear on the top of the interior vase (1). It also includes a lower part (41) complementary to the enlarged opening (11), wedging in said opening (11) and allowing to close the vase (1). The diameter (D41) of this lower part (41) is substantially equal to the diameter (D11) of said enlarged opening (11). Sealing means can be added to said closure element (4) or on the inner part of the enlarged opening (11). he it is also possible to consider adding closure means, for example example by clipping, so that the closure element (4) remains integral with the rest of the device according to the invention.
Dans un mode de réalisation différent, illustré à la figure 7, le couvercle cylindrique n'est pas aplati mais au contraire allongé pour augmenter la contenance du dispositif selon l'invention. Ce couvercle allongé (4') a un diamètre (42) sensiblement égal au diamètre (D11) de ladite ouverture élargie (11 ). Le couvercle allongé (4') vient s'appuyer sur l'épaulement renversé formé par ladite portion intermédiaire (13). Ce couvercle allongé (4') peut comprendre un dessus rigide, par exemple similaire au fond (20) de l'enveloppe (2), de sorte que le dispositif puisse être positionné indifféremment à l'endroit ou à l'envers.In a different embodiment, illustrated in FIG. 7, the cover cylindrical is not flattened but rather elongated to increase the capacity of the device according to the invention. This elongated cover (4 ') has a diameter (42) substantially equal to the diameter (D11) of said enlarged opening (11). The elongated cover (4 ') comes to rest on the inverted shoulder formed by said intermediate portion (13). This elongated cover (4 ') can include a rigid top, for example similar to the bottom (20) of the envelope (2), so that the device can be positioned either at the place or at backwards.
Dans le mode de réalisation préféré de l'invention, l'espacement (3) entre les parois comporte 15 à 20% d'air (5) afin d'absorber une dilatation de la matière pâteuse.In the preferred embodiment of the invention, the spacing (3) between the walls contains 15 to 20% air (5) in order to absorb a dilation of the pasty material.
Le dispositif selon l'invention est par exemple adapté pour être refroidi en même temps que son contenu dans les rayons de magasins distributeurs et permet au client de transporter le produit tout en le conservant au frais pour une utilisation directe. Le dispositif peut être conservé avec son contenu au réfrigérateur, voire au congélateur lorsqu'on ôte le couvercle. Il permet de maintenir au frais une bouteille sans recours à des glaçons. Il est possible de refroidir une bouteille à l'aide du dispositif conservé au froid, de l'eau étant par exemple versée dans le vase intérieur (1) pour accélérer et homogénéiser le refroidissement.The device according to the invention is for example adapted to be cooled at the same time as its content on the shelves of distributor stores and allows the customer to transport the product while keeping it cool for direct use. The device can be kept with its contents at refrigerator, or even freezer when removing the cover. It allows to keep a bottle cool without using ice cubes. It is possible to cool a bottle using the device kept cold, water being example poured into the inner vessel (1) to accelerate and homogenize the cooling.
Un des avantages du dispositif isolant thermiquement selon l'invention réside dans la simplicité de ses constituants et son faible coût de production, tout en assurant une bonne conservation de température pour une durée de quelques heures. Il est réutilisable et est composé de produits à contact alimentaire biodégradables ou recyclables.One of the advantages of the thermally insulating device according to the invention lies in the simplicity of its constituents and its low production cost, while ensuring good temperature conservation for a period of a few hours. It is reusable and is composed of contact products biodegradable or recyclable food.
Un autre des avantages de ce dispositif est son faible encombrement. Léger, celui-ci est par exemple particulièrement adapté, notamment dans le cadre de loisirs, au transport de boissons fraíches, de chocolat, foie gras.Another advantage of this device is its small size. Lightweight, it is for example particularly suitable, especially in the leisure setting, transport of cold drinks, chocolate, foie gras.
Il doit être évident pour les personnes versées dans l'art que la présente invention permet des modes de réalisation sous de nombreuses autres formes spécifiques sans l'éloigner du domaine d'application de l'invention comme revendiqué. Par conséquent, les présents modes de réalisation doivent être considérés à titre d'illustration, mais peuvent être modifiés dans le domaine défini par la portée des revendications jointes, et l'invention ne doit pas être limitée aux détails donnés ci-dessus.It should be obvious to those skilled in the art that the present invention allows embodiments under many other specific forms without departing from the scope of the invention as claimed. Therefore, the present modes of achievement should be considered illustrative, but may be modified in the field defined by the scope of the appended claims, and the invention should not be limited to the details given above.
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0211566 | 2002-09-09 | ||
FR0211566A FR2844343A1 (en) | 2002-09-09 | 2002-09-09 | Double-walled thermally insulated drinks container used in shops to preserve the temperature of beverages, has inside container, outer envelope with a insulating paste between them |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1398583A2 true EP1398583A2 (en) | 2004-03-17 |
EP1398583A3 EP1398583A3 (en) | 2005-12-21 |
Family
ID=31726069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03292205A Withdrawn EP1398583A3 (en) | 2002-09-09 | 2003-09-09 | Double-walled heat insulating device |
Country Status (2)
Country | Link |
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EP (1) | EP1398583A3 (en) |
FR (1) | FR2844343A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR762624A (en) * | 1933-10-20 | 1934-04-14 | Portable cooler | |
US5478988A (en) * | 1994-01-28 | 1995-12-26 | Thermionics Corporation | Thermal exchange composition and articles for use thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302428A (en) * | 1965-08-09 | 1967-02-07 | Aldco Inc | Device for cooling or keeping cool a beverage container |
US4378625A (en) * | 1980-03-24 | 1983-04-05 | Freezesleeves Of America, Inc. | Method of manufacturing improved refrigeratable beverage container holder |
DE8628322U1 (en) * | 1986-10-21 | 1987-04-09 | Schimmer, Jörg-Matthias, 2241 Weddingstedt | Cooling bottle |
GB2232480A (en) * | 1989-04-12 | 1990-12-12 | D Jeronimo Antonio Segur Lopez | Thermal storage vessels |
DE9101044U1 (en) * | 1990-11-09 | 1991-04-11 | Bröder, Hans, 2314 Schönkirchen | Insulation device for cans or bottles |
WO1995004248A1 (en) * | 1991-12-05 | 1995-02-09 | Morris Richard W | Cooler container |
US5573141A (en) * | 1995-09-11 | 1996-11-12 | Chen; Wen-Yen | Double walled cooling mug |
-
2002
- 2002-09-09 FR FR0211566A patent/FR2844343A1/en not_active Withdrawn
-
2003
- 2003-09-09 EP EP03292205A patent/EP1398583A3/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR762624A (en) * | 1933-10-20 | 1934-04-14 | Portable cooler | |
US5478988A (en) * | 1994-01-28 | 1995-12-26 | Thermionics Corporation | Thermal exchange composition and articles for use thereof |
Also Published As
Publication number | Publication date |
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EP1398583A3 (en) | 2005-12-21 |
FR2844343A1 (en) | 2004-03-12 |
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