WO2016128797A1 - Élément réfrigérant destiné à une canette auto-réfrigérante, canette auto-réfrigérante et procédé associé - Google Patents

Élément réfrigérant destiné à une canette auto-réfrigérante, canette auto-réfrigérante et procédé associé Download PDF

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Publication number
WO2016128797A1
WO2016128797A1 PCT/IB2015/051085 IB2015051085W WO2016128797A1 WO 2016128797 A1 WO2016128797 A1 WO 2016128797A1 IB 2015051085 W IB2015051085 W IB 2015051085W WO 2016128797 A1 WO2016128797 A1 WO 2016128797A1
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WO
WIPO (PCT)
Prior art keywords
mixing
cooling
cooling element
membrane
reaction space
Prior art date
Application number
PCT/IB2015/051085
Other languages
German (de)
English (en)
Inventor
Uwe Kampmeyer
Frank Bartels
Original Assignee
Do-Tech Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Do-Tech Gmbh filed Critical Do-Tech Gmbh
Priority to PCT/IB2015/051085 priority Critical patent/WO2016128797A1/fr
Publication of WO2016128797A1 publication Critical patent/WO2016128797A1/fr

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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
    • F25D5/00—Devices using endothermic chemical reactions, e.g. using frigorific mixtures
    • F25D5/02—Devices using endothermic chemical reactions, e.g. using frigorific mixtures 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
    • 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
    • F25D2331/805—Cans
    • 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

  • Cooling element for beverage can self-cooling beverage can and
  • the invention relates to a cooling element for a beverage can.
  • the invention relates to a cooling element which cools the contents of the can quickly.
  • the invention further relates to a self-cooling beverage can and a method for cooling a beverage can.
  • PRIOR ART AND DISCONTINENCE Beverage cans have long been known from the prior art and are used for storing and transporting "still” or else carbonated, that is to say pressurized, beverages.
  • the beverage is taken out of the can.
  • the same is opened by means of a closure by the user.
  • This closure is typically designed as a single closure, but there are also concepts for reclosability known. An example of such a concept is shown in EP 2 614 010 AI.
  • the closure is integrated exclusively in the lid of the can.
  • body usually cylindrical side wall with bottom
  • body is unchanged compared to conventional, non-resealable cans, which is advantageous for manufacturing.
  • the base material for beverage cans is usually an aluminum alloy.
  • the body is deep-drawn, the top edge crimped (bent outward), the lid is prepared separately and attached gas-tight and liquid-tight, for example by means of Auffalzen on the body.
  • the lid is prepared separately and attached gas-tight and liquid-tight, for example by means of Auffalzen on the body.
  • the cooling principles are in particular the adiabatic expansion of a gas (Joule-Thompson effect), adiabatic cooling (evaporation cooling), and the use of salt mixtures into consideration.
  • a self-cooling can with salt mixture is shown in the document EP 0 286 382 A2.
  • a salt eg ammonium nitrate
  • a solvent eg water
  • a needle is arranged in a channel which is accessible from the outside through the lid of the can, and which is preferably initially closed with a protective cover. This passes through a first chamber limiting the outward end and ends in the rest position just before the membrane in the first chamber. To initiate the cooling, the needle is actuated by pressing from the outside. She breaks through the separating Membrane so that salt and solvent can mix and extract heat from the environment. This leads to the desired cooling effect.
  • the object of the invention is therefore to provide a cooling element for a beverage can, with which a faster cooling effect can be achieved.
  • the object of the invention is also to provide a beverage can with a disadvantage of the prior art avoiding cooling element.
  • the cooling element according to the invention will first be described below. Subsequently, a description of a Beverage can with the cooling element according to the invention. Finally, a description of the method according to the invention is given.
  • the cooling element is intended to be introduced into a beverage can for cooling its contents.
  • the cooling element comprises a reaction space enclosed by liquid-tight outer walls, in which a first reactant can be stored, and a reservoir, in which a second reactant can be stored, wherein the reaction space and reservoir are separated by a mechanically destructible membrane.
  • the spaces are preferably filled with a liquid and / or a solid.
  • the reaction space is filled with a solid, in particular a salt, and the storage space is filled with a solvent, in particular water.
  • the storage space is arranged completely in the interior of the reaction space.
  • the separation of the two reactants is not achieved by a two half-spaces separating planar membrane, but the reservoir consists essentially of the membrane, which is closed on all sides, and so a cavity, namely the reservoir, enclosing and thus provides.
  • the membrane is made of a liquid-tight elastic material or comprises such a material, and can be put under tension when storing the second reagent.
  • the material should also be liquid-tight; Accordingly, porous or even textile materials are not suitable, since otherwise undesired premixing of the liquid with the solid reactant can occur.
  • the storage space is formed by a balloon or bag that can be filled with the second reagent.
  • a bag made of an elastic material is filled with the second reactant, whereby the bag expands elastically according to the amount of the filled agent.
  • the balloon After filling, the balloon preferably has a volume which is at least 1.2, preferably at least 1.5, and particularly preferably at least 2 times greater than the volume in the unfilled state. Accordingly, the material is capable of withstanding strains of 20%, 50%, or more preferably more than 100% without tearing.
  • the advantage of a storage space designed as a balloon lies in its ease of manufacture and filling.
  • the advantage of a storage space stretched in the way of filling lies in a further improvement of the easy destructibility of the membrane (and thus of the walls of the storage space), since such a storage space starts after a slight initial Damage practically automatically further spontaneously destroyed (tears).
  • the balloon-like storage space has an elongated shape. It therefore has a longitudinal axis which is significantly larger than a transverse axis perpendicular thereto. It may therefore preferably have the form of an oblong cylinder closed on both sides, the two ends being e.g. hemispherical or otherwise rounded, or may be configured flat conclusion.
  • the shape of an elongated cushion, which optionally has a peripheral connecting seam, is conceivable.
  • beverage cans usually have an elongated, cylindrical shape, so that a correspondingly shaped cooling element with a correspondingly shaped storage space on the one hand allows particularly good space utilization, and on the other hand provides a particularly large area for heat transfer, resulting in a stronger, faster cooling of the can contents leads.
  • the volume of the reservoir is filled next to the second reagent with a pressurized gas.
  • a gas such as an air bubble is contained in the interior of the storage space, which is compressed due to the tension of the membrane, thus therefore is under pressure.
  • the cooling element has an externally operable device for mixing the reaction space.
  • “Outside” means that the means for mixing is operable by a user holding the box in hand, for example, without opening the can, and in particular without the food space provided for storing the beverage.
  • the device is accordingly suitable for generating turbulences in the interior of the reaction space by means of mechanical action, wherein the energy required for actuation can be provided by the user.
  • the device for mixing has a stirring hook which is mounted rotatably around an axis of rotation in an outer wall of the reaction space and passes through it, on whose distal end lying outside the beverage can a manually operable handle is attached or attachable.
  • Hook here means any type of geometry that can be achieved by a possibly repeatedly bent rod, and which runs through the cooling element at least in sections parallel to the direction of its longitudinal axis
  • the device passes through the reaction space almost completely in the direction of the longitudinal axis, and has at least one, preferably two or more, mixing arms which run parallel or at least partially parallel and are bent straight or helically in order to achieve the best possible mixing, optionally additional mixing aids such as wing surfaces, for example of foils, can be attached to the mixing arms.
  • the rotatable means for mixing is also rotatably mounted on the opposite end of the reaction space to the passage.
  • the device has an extension there, which is supported on the inner wall of the reaction space, said inner wall at the support point, a storage, for example, a circular recess, which cooperates with the extension.
  • the can must also have a corresponding passage for the axis of rotation of the means for mixing.
  • the handle shape of this button or plate-like has recesses or corrugations on its peripheral edge to improve the handling, and / or has on its side facing away from the can outside one or more finger hollows, which also improve the handling.
  • the handle is designed to be foldable, so that it can be folded out of the recessed bottom area of the box if necessary, in order to allow a comfortable rotation of the device for mixing.
  • any other known from the prior art for this purpose constructions are usable.
  • this has a along a longitudinal axis axially slidably mounted in an outer wall of the reaction chamber and passing through this rod, at the proximal end of a preferably approximately perpendicular to the axis of the rod arranged mixing structure is attached, and at whose distal end a manually operable handle is attached or attachable.
  • this embodiment is not actuated by rotation but by alternating axial movements of the mixing structure.
  • the mixing structure is sized and designed so that it can be pushed while moving through the liquid-solid mixture and this causes turbulence.
  • the mixed structure separates the reaction space into two variable-volume half-spaces, the two half-spaces, of course, not being separated in a liquid-tight manner, but rather a flow through the mixing structure being possible, leading to the desired turbulence.
  • the mixing structure may be configured, for example, as a perforated plate or as a not too fine grid, which or which is approximately perpendicular to the direction of movement and thus to the longitudinal axis.
  • the mixing structure can be fixed or flexible.
  • a flexible mixed structure has the advantage that one does not have to completely raise a surrounding solid (salt) in order to destroy the membrane with a lancing device (see below) which may be attached to it (this would, however, be necessary in the case of a solid mixed structure).
  • the can must also have a corresponding passage for the longitudinal axis of the means for mixing.
  • this further comprises a lancing device for mechanically destroying the membrane.
  • a lancing device is therefore a component which is suitable for effecting the destruction of the membrane by means of concentration of forces. This is achieved in that the lancing device has one or more tips, which can be brought into contact with the membrane of the storage space, as soon as the desired cooling effect is to be caused. It is clear that the lancing device must be constructed and arranged in such a way that it can not previously interact with the membrane in such a way that it is destroyed even with stronger movements of the can.
  • the advantage of the lancing device is the simplification of the destruction of the membrane, since due to the concentration of force less external forces are to be provided.
  • the destruction of the membrane is controlled possible as without lancing device.
  • the lancing aid passes through an outer wall of the reaction space and can be actuated directly from the outside. This means that the forces required to actuate the lancing device, for example for moving them into the vicinity of the membrane or even into it, are transmitted to the tip by an actuating device which is mechanically directly connected to the tip.
  • an actuator is, for example, an externally accessible lever, a tear thread or a needle.
  • the lancing device is arranged completely inside the reaction space, and it can be actuated directly or indirectly by means of the device for mixing from the inside.
  • the lancing device itself does not have its own mechanically accessible externally accessible actuator, but is housed entirely inside the reaction chamber.
  • the lancing device can be actuated directly by means of the mixing device.
  • the lancing device for example in the form of a needle, is attached directly to the device for mixing and, when moving the device, is carried along by it and pierced into the membrane.
  • the lancing device To operate the lancing device but also be indirectly actuated. This means that it is not connected to the means for mixing, but is, for example, on the inner wall of the reaction chamber.
  • the Means for mixing either the pantry is moved so that it is pressed against the lancing device, or the first flat fitting against the inner wall lancing device, for example, due to a hinge-like attachment, entrained by the onset of movement of the device for mixing of this and so in the The interior of the reaction chamber unfolded, where it finally comes into contact with the membrane and destroys it.
  • the invention also relates to a self-cooling beverage can.
  • the cooling element is fixed with at least one of its outer walls on at least one of the inner walls of the can, so that it can not move freely inside the can.
  • can and cooling element can also have a common wall. This is particularly preferably the underside of the can, which is formed by a correspondingly adapted outer wall of the cooling element.
  • a designed according to the invention type can has the advantage of particularly fast to a desired temperature cool down.
  • the invention also relates to a method for cooling a beverage can, wherein the latter comprises a cooling element which has a reaction space with a first reaction agent and a reservoir arranged completely in the reaction space with a second reaction medium, wherein the reaction space and reservoir are provided by a mechanically destructible, elastic and prestressed membrane are separated from each other.
  • a cooling element which has a reaction space with a first reaction agent and a reservoir arranged completely in the reaction space with a second reaction medium, wherein the reaction space and reservoir are provided by a mechanically destructible, elastic and prestressed membrane are separated from each other.
  • the elastic and prestressed membrane is mechanically destroyed to achieve a cooling reaction, and an active mixing of the reaction space by means for mixing takes place.
  • the at least partial destruction of the elastic membrane eliminates the separation between the reservoir and the reaction space, and the two reactants come into mutual contact.
  • active means that turbulences are generated inside the reaction chamber by a mechanical aid, namely the means for mixing, and not only slow diffusion processes lead to a cooling reaction.
  • the membrane is put under tension by filling with the second reactant, so that it automatically during mechanical destruction continue to tear.
  • the membrane which is elastic according to the invention expands by way of filling with the second reactant;
  • the surface of the storage space, which is formed by the membrane set under tensile stresses.
  • This process is similar to the known filling of a balloon with gas or liquid. If the filled balloon is only slightly damaged at one point, it spontaneously ruptures (bursts) without further action. At the same time, the membrane, which can now relax again, contracts sharply and thus releases the volume of the storage space no longer surrounded by walls.
  • the mechanical destruction is achieved by acting on the membrane by means of a lancing device mechanical forces which are provided directly or indirectly from the inside to the lancing device directly from the outside, or by means of the means for mixing the lancing device.
  • the required initial minor damage to the membrane is achieved by means of the lancing device described above.
  • This one can, like also already described above, directly from the outside, or activated directly or indirectly by means of the means for mixing, that is moved in the direction of the membrane, are to damage them. It is clear that hereby a relative movement is meant;
  • the same effect of the damage is achieved in that the membrane of the storage space is moved in the direction of the lancing device, which is preferably done by manipulation with the means for mixing.
  • the beverage can it can be re-closed, ie has a closure mechanism which can be operated from the outside and leads to an at least approximately liquid-tight closure of the spout. In this way, the drink can be cooled before opening and the can be closed again after opening.
  • the cooling element according to the invention solves the known from the prior art problem of slow cooling. This is achieved by optimizing the contact surfaces of the two reactants, which lead in contact with the cooling effect, by the reservoir of one of the two reactants is formed by an elastic and prestressed membrane which is disposed within the reaction space with the other reactant, wherein by a From the outside initiable tearing of the membrane a very good and fast mixing of the two reactants is possible.
  • FIG. 1 shows a beverage can with a first disclosed embodiment of a cooling element in a sectional view before Ini ⁇ tiieren the cooling process.
  • Figure 2 shows the beverage can according to FIG. 1 during insertion of the
  • FIG. 3 shows the beverage can according to FIG.
  • FIG. 4 shows the beverage can according to FIG. 1 during the mixing of the
  • Figure 5 shows a beverage can with a second embodiment ⁇ form of a cooling element in a sectional view prior to the initiation of the cooling process.
  • FIG. 6 shows the beverage can according to FIG. 5 during insertion of the beverage can
  • FIG. 7 shows the beverage can according to FIG. 5 during the mixing of the
  • Reaction space. 8 shows a beverage can with a third execution ⁇ form of a cooling element in a sectional view prior to the initiation of the cooling process.
  • FIG. 9 shows the beverage can according to FIG.
  • FIG. 10 shows the beverage can according to FIG. 8 during the mixing of the
  • Reaction space. 11 shows a beverage can with a fourth execution ⁇ form of a cooling element in a sectional view prior to the initiation of the cooling process.
  • FIG. 12 shows the beverage can according to FIG.
  • FIG. 13 shows the beverage can according to FIG. 11 during the mixing of the reaction space.
  • FIG. 14 shows a beverage can with a fifth execution ⁇ form of a cooling element in a sectional view prior to the initiation of the cooling process.
  • FIG. 15 shows the beverage can according to FIG.
  • FIG. 16 shows the beverage can according to FIG. 14 during the mixing of the reaction space.
  • Figure 17 shows a beverage can with a sixth
  • Embodiment of a cooling element in a sectional view before initiating the cooling process Embodiment of a cooling element in a sectional view before initiating the cooling process.
  • FIG. 18 shows the beverage can according to FIG. 17 in a plan view as a sectional view.
  • FIG. 19 shows the beverage can according to FIG. 18 when triggering the
  • FIG. 1 shows a beverage can with a first embodiment of a cooling element in a sectional view prior to initiating the cooling process.
  • the beverage can 1 initially resembles a conventional can, as it has been commercially available for a long time. It may have an internal volume of, for example, 500 ml, with 330 ml for the beverage (not shown), and the remainder Inner volume for the cooling element 2 are provided.
  • the can is (as well as all cans shown below) with the closure (no reference) shown down.
  • the cooling element 2 comprises a reaction space 4 enclosed by liquid-tight outer walls 3, in which a first reagent can be stored (not shown).
  • the first reactant is preferably a solid.
  • the cooling element 2 also comprises a storage space 5 in which a second reactant can be stored (not shown).
  • This second reagent is preferably a liquid.
  • the storage space 5 contains an optional gas bubble 6, which is formed for example by an inert gas or air.
  • Reaction space 4 and storage space 5 are separated from each other by a mechanically destructible membrane 7. Accordingly, the membrane 7 surrounds the volume of the presently elongated storage space 5 and essentially forms its spatial boundaries. As can be seen from FIG. 1, the storage space 5 is arranged completely in the interior of the reaction space 4. In other words, the reaction space 4 completely encloses the storage space 5.
  • the membrane 7 is made of a liquid-tight elastic material such as rubber or rubber. Thus, it can be put under tension when storing the second reagent, comparable to a balloon. This means that (possibly including the volume of the gas bubble 6) more second reactant can be filled into the storage space 5, as the volume of the storage space 5 allowed in the relaxed state. Due to the expandability of the membrane 7 according to the invention, it expands so that more second reactant can be introduced, the membrane 7 being increasingly subjected to tensile stress. Possibly.
  • the tension can also be exclusive or additional are generated by the gas bubble 6 by a correspondingly large volume of gas is filled into the storage space 5 under pressure. It is clear that the storage space 5 must be sealed liquid and gas tight after filling.
  • the cooling element 2 has an externally operable means for mixing 8 of the reaction space. This has the task of allowing mechanical mixing of the interior of the reaction space 4.
  • the illustrated execution ⁇ form for this purpose has a rotatably mounted in the above-side outer wall of the reaction chamber 4 and passing through this, in the present one-armed stirring hook. 9
  • a manually operable handle 10 is attached.
  • the storage must at least be liquid, preferably also pressure-tight, so that liquid contained in the reaction space can not escape to the outside at any time.
  • a septum 11 made of elastic material is provided. According to the embodiment shown, this is arranged in a cavity between two plastic disks, which in turn form the outer closure of the cooling element 2 and terminate flush with its side walls.
  • a lancing device 12 which is designed here as a needle, can be introduced into a channel 13 (small arrow, step 1).
  • This channel 13 passes through both the handle 10, as well as in the image overhead outer end of the reaction space 4.
  • This lancing device 12 serves or serve the concentration of forces for the purpose of simplified destruction of the membrane.
  • Fig. 3 shows the situation with inserted lancing 12.
  • This passage after insertion (step 2) now the handle 10th and the septum 11 and reaches through the reaction chamber 4, the storage space 5. There, they can damage the prestressed membrane 7.
  • the lancing device 12 penetrates the location of the storage space 5 in which the gas bubble 6 is located. Subsequently, the lancing device 12 can be removed again from the channel 13 (step 3).
  • step 4 the means for mixing 8 by rotation (step 4) is actuated about its axis of rotation.
  • the small curved arrows at the bottom of the picture symbolize turbulence generated by the rotation inside the reaction space.
  • the cooling reaction can be particularly fast and complete.
  • FIGS. 5 to 7 show a further embodiment according to which the lancing aid 12 remains permanently in the can 1.
  • Her head is hidden under a deformable cover (no reference). By pressing on this cover (Fig. 6, step 1) it reaches the reservoir (not shown) and destroys the membrane (not shown).
  • the mixing device 8 By actuating the mixing device 8 (FIG. 7, step 2), the reaction space 4 is mixed.
  • the lancing device may preferably have a predetermined breaking point for this purpose.
  • the tip folds over, preferably also around a predetermined bending point. The advantage of this imple mentation form lies in the easier and safer operation, since the lancing device 12 does not have to be removed from the box 1.
  • FIGS. 8 to 10 show another embodiment in which the lancing aid 12 is configured as a pull cord with a retaining ring.
  • the ripcord accessible from the outside runs along the outside of the membrane 7.
  • Pulling on the retaining ring ( Figure 9, step 1) ruptures the membrane.
  • the device for mixing 8 (FIG. 10, step 2), the reaction space 4 is mixed.
  • FIGS. 11 to 13 Another embodiment of the lancing aid is shown in FIGS. 11 to 13.
  • the lancing device 12 is designed as a lever.
  • the pivot point is arranged, for example, in the region of the septum 11.
  • an elongated recess is introduced, from which a slider 14 protrudes.
  • the lever tilts and the tip of the lancing device 12 penetrates the membrane 7, which tears.
  • the reaction space 4 can be mixed (FIG. 13, step 2).
  • the tip of the lancing device 12 is tilted to the vicinity of the axis of rotation of the means for mixing 8 after the operation of the slider 14 so that it does not hinder the rotation thereof. This is achieved by arranging the portion of the stirring hook 9, which runs in the direction of rotation axis, transverse to the longitudinal axis, further in the direction of the longitudinal axis than the tip of the Lancing device 12. A possible grinding of the tip on the axis of rotation, however, is unproblematic.
  • the means for mixing 8 comprises an axially displaceably mounted in an outer wall of the reaction space 4 and passing therethrough rod 15, at the proximal (inner) end of a mixing structure 16 is attached, and at its distal (outer) end a manually operable handle 10 is attached.
  • the lancing device 12 is arranged completely inside the reaction space 4, and it can be actuated directly from the inside by means of the mixing device 8.
  • the rod 15 passes through the sealing septum 11.
  • the axial direction passes through the can 1 in the image in the vertical direction (longitudinal axis).
  • the device for mixing 8 by means of the handle 10 is pulled parallel to the longitudinal axis in the axial direction of the can (Fig. 15, step 1).
  • the lancing device 12 which is likewise arranged at its distal end, thus approaches the membrane 7 and destroys it. Due to the bias of the membrane 7 and its sudden relaxation, it takes up little space, so that it does not hinder the subsequent mixing process (FIG. 16, step 2). This is carried out by repeatedly moving the mixing device 8 back and forth in the axial direction.
  • the mixing structure 16, which in the present case is designed as a perforated plate, allows a portion of the mixture of first and second reactants to pass through their openings, creating turbulences which favor the mixing in the desired manner.
  • Another embodiment of the lancing aid is shown in FIGS. 17 to 19. According to this embodiment, the lancing device 12 is arranged completely inside the reaction space 4, and it can be actuated indirectly from the inside by means of the mixing device 8.
  • FIG. 17 shows that the lancing aid 12 is in the form of three cutting edges pointing in the direction of the interior of the reaction chamber and is attached to the inner wall of the reaction space 4.
  • the sheaths of the lancing aids 12 are initially folded against the wall of the reaction space 4.
  • two lancing devices 12 are present in the reaction space 4, which are folded in the opposite direction.
  • the membrane 7 is protected against accidental damage. If the mixing device 8 is rotated as shown in FIG. 19 (step 1), then the stirring hook 9 with its longitudinally extending arms (in FIG. 19 perpendicular to the image plane) carries along the cutting edges of the lancing aid 12 that these protrude into the interior of the reaction space 4 and thereby destroy the membrane 7.

Abstract

L'invention concerne un élément réfrigérant (2) pouvant être introduit dans une canette (1) pour en refroidir le contenu, lequel comprend un espace de réaction (4) entouré de parois extérieures étanches au liquide et dans lequel peut être conservé un premier agent de réaction, et un espace de stockage (5), dans lequel peut être stocké un deuxième agent de réaction. L'espace de réaction (4) et l'espace de stockage (5) sont séparés l'un de l'autre par une membrane destructible mécaniquement (7), et l'espace de stockage (5) est entièrement agencé à l'intérieur de l'espace de réaction (4). L'élément réfrigérant est caractérisé en ce que la membrane (7) est composée d'un matériau élastique étanche au liquide ou contient ledit matériau, peut être mise en place par contrainte de traction lors du stockage du second agent de réaction. Le procédé est caractérisé en ce que la membrane est détruite mécaniquement pour obtenir une réaction de réfrigération, et un brassage actif de l'espace de réaction est effectué au moyen d'un dispositif de brassage.
PCT/IB2015/051085 2015-02-13 2015-02-13 Élément réfrigérant destiné à une canette auto-réfrigérante, canette auto-réfrigérante et procédé associé WO2016128797A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900001573A1 (it) 2019-02-04 2020-08-04 Mario Moronesi Dispositivo di gassaggio e raffreddamento di bevande
WO2022261702A1 (fr) * 2021-06-15 2022-12-22 Jennifer Russ Biberon

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EP0286382A2 (fr) 1987-04-06 1988-10-12 The Coca-Cola Company Conteneur auto-réfrigérant
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EP2614010A1 (fr) 2010-09-07 2013-07-17 Xolution GmbH Couvercle de récipient
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US20100251731A1 (en) * 2009-04-02 2010-10-07 Bergida John R Self-Chilling Beverage Can
EP2614010A1 (fr) 2010-09-07 2013-07-17 Xolution GmbH Couvercle de récipient
DE102013104226A1 (de) * 2013-04-25 2014-10-30 Jürgen Sooth Wiederverschließbare Dosenstirnwand, Stirnwandeinheit und Dose

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IT201900001573A1 (it) 2019-02-04 2020-08-04 Mario Moronesi Dispositivo di gassaggio e raffreddamento di bevande
WO2022261702A1 (fr) * 2021-06-15 2022-12-22 Jennifer Russ Biberon

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