EP1398583A2 - Dispositif thermiquement isolant à double paroi - Google Patents
Dispositif thermiquement isolant à double paroi 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- Withdrawn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
Images
Classifications
-
- 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.
Abstract
Description
- 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.
Claims (12)
- Dispositif thermiquement isolant à double paroi, comportant une enveloppe ouverte (2) comprenant un isolant thermique, un vase dit intérieur (1) formant un volume sensiblement inférieur à celui formé par l'enveloppe (2) et inséré dans ladite enveloppe (2), un élément de fermeture (4, 4'), une matière pâteuse, caractérisé en ce que ledit vase intérieur (1 ), en matériau étanche thermiquement conducteur, comprend une collerette (12) reliée de manière étanche aux bords de l'ouverture de ladite enveloppe (2) par sertissage, le vase intérieur (1) comportant au moins un double usinage de sorte qu'au moins une paroi du vase (1) est séparée de la dite enveloppe (2) par un espacement (3), ledit espacement (3) étant rempli au moins aux trois quarts par ladite matière pâteuse.
- Dispositif selon la revendication 1, dans lequel ladite matière pâteuse est imperméable et comprend de l'argile ou un gel.
- Dispositif selon la revendication 1 ou 2, dans lequel ladite matière pâteuse, absorbant de la chaleur, comporte une substance accumulatrice de calories/frigories.
- Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel le vase intérieur (1) comprend un évasement et au moins une portion de section inférieure à la section du volume formé par l'enveloppe (2).
- Dispositif selon l'une quelconque des revendications 1 à 4, dans lequel le dit vase (1) est cylindrique avec un diamètre intérieur sensiblement égal à 9 cm et comporte une ouverture élargie (11) dont le diamètre intérieur est au moins égal à 9,7 cm, le fond (10) du cylindre formé par le vase (1) étant plat ou bombé vers l'extérieur, ladite enveloppe (2) ayant une forme cylindrique et un diamètre intérieur sensiblement égal au diamètre de ladite ouverture (11) du vase (1).
- Dispositif selon l'une quelconque des revendications 1 à 5, dans lequel ladite enveloppe (2) comprend un fond (20) 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.
- Dispositif selon l'une quelconque des revendications 1 à 5, dans lequel ladite enveloppe (2) comprend du plastique imperméable.
- Dispositif selon l'une quelconque des revendications 1 à 7, dans lequel le vase intérieur (1) est en aluminium et/ou en fer et la longueur (L1) dudit vase est inférieure à la longueur (L2) de ladite enveloppe (2), la longueur (L1) dudit vase (1) restant inférieure à 35 cm.
- Dispositif selon l'une quelconque des revendications 5 à 8, dans lequel ledit élément de fermeture (4, 4'), en plastique, en verre ou en carton, est un couvercle cylindrique s'appuyant sur le dessus dudit vase (1) et/ou s'appuyant sur un épaulement renversé marquant le changement de section du vase (1) pour former ladite ouverture élargie (11).
- Dispositif selon la revendication 9, dans lequel l'angle de transition (a) dudit changement de section pour former l'ouverture élargie (11) est compris entre 30 et 90°.
- Dispositif selon l'une quelconque des revendications 1 à 10, dans lequel l'épaisseur de la dite enveloppe (2) est inférieure à 3 mm et l'épaisseur du vase (1) est inférieure à 2 mm.
- Dispositif selon l'une quelconque des revendications 1 à 11, dans lequel ledit espacement (3) comporte 15 à 20% d'air.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0211566A FR2844343A1 (fr) | 2002-09-09 | 2002-09-09 | Dispositif thermiquement isolant a double paroi |
FR0211566 | 2002-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1398583A2 true EP1398583A2 (fr) | 2004-03-17 |
EP1398583A3 EP1398583A3 (fr) | 2005-12-21 |
Family
ID=31726069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03292205A Withdrawn EP1398583A3 (fr) | 2002-09-09 | 2003-09-09 | Dispositif thermiquement isolant à double paroi |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1398583A3 (fr) |
FR (1) | FR2844343A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR762624A (fr) * | 1933-10-20 | 1934-04-14 | Glacière portative | |
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 (fr) * | 1986-10-21 | 1987-04-09 | Schimmer, Joerg-Matthias, 2241 Weddingstedt, De | |
GB2232480A (en) * | 1989-04-12 | 1990-12-12 | D Jeronimo Antonio Segur Lopez | Thermal storage vessels |
DE9101044U1 (fr) * | 1990-11-09 | 1991-04-11 | Broeder, Hans, 2314 Schoenkirchen, De | |
WO1995004248A1 (fr) * | 1991-12-05 | 1995-02-09 | Morris Richard W | Recipient refroidisseur |
US5573141A (en) * | 1995-09-11 | 1996-11-12 | Chen; Wen-Yen | Double walled cooling mug |
-
2002
- 2002-09-09 FR FR0211566A patent/FR2844343A1/fr not_active Withdrawn
-
2003
- 2003-09-09 EP EP03292205A patent/EP1398583A3/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR762624A (fr) * | 1933-10-20 | 1934-04-14 | Glacière portative | |
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 |
---|---|
FR2844343A1 (fr) | 2004-03-12 |
EP1398583A3 (fr) | 2005-12-21 |
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