EP1290387B1 - Verfahren zur herstellung einer selbstkühlenden getränkeverpackung und vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zur herstellung einer selbstkühlenden getränkeverpackung und vorrichtung zur durchführung des verfahrens Download PDF

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Publication number
EP1290387B1
EP1290387B1 EP01945406A EP01945406A EP1290387B1 EP 1290387 B1 EP1290387 B1 EP 1290387B1 EP 01945406 A EP01945406 A EP 01945406A EP 01945406 A EP01945406 A EP 01945406A EP 1290387 B1 EP1290387 B1 EP 1290387B1
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EP
European Patent Office
Prior art keywords
cavity
manufacturing
package
liquid
refrigerating
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.)
Expired - Lifetime
Application number
EP01945406A
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English (en)
French (fr)
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EP1290387A1 (de
Inventor
Pierre Jeuch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thermagen SA
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Thermagen SA
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Filing date
Publication date
Application filed by Thermagen SA filed Critical Thermagen SA
Publication of EP1290387A1 publication Critical patent/EP1290387A1/de
Application granted granted Critical
Publication of EP1290387B1 publication Critical patent/EP1290387B1/de
Anticipated expiration legal-status Critical
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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
    • 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
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • 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
    • 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

Definitions

  • the present invention relates to a method of manufacture of self-cooling beverage packaging according to the preamble of claim 1, as well as equipment for implementing such a process.
  • Such a process is known from document EP-A-0 931 998.
  • the invention applies very particularly cooling drinks contained in a closed can or bottle packaging.
  • the object of the present invention is to provide a method of manufacturing a beverage package allowing rapid cooling of the drink for consumption at an ideal temperature anywhere and at any time.
  • the invention provides such a method simple to implement and profitable within the framework of an industrial exploitation.
  • the first method was put used in French patent application FR 97 04531 who proposes to carry out the cooling of a drink in can by means of a gas trigger compressed.
  • a gas cartridge to be released is placed in a metal radiator itself placed at inside the bobbin.
  • the gas cartridge occupies approximately the half the volume of the drink to be cooled, which is imposed by the amount of gas needed to beverage cooling.
  • the price of returns from a compressed gas canister is high this which results in an excessive increase in the price of can.
  • this device is complex to manufacture (valves, tubes and cables) and is not cheap, especially to guarantee a good vacuum.
  • US Patent 4,736,599 proposes to make a heat exchanger 16 (evaporator) contained totally inside the container 10 to be cooled (explicitly described as a can), but insists on the reversible nature of the communication of the exchanger 16 with the adsorbent contained in a tank 22 located under the bobbin 10.
  • This device has at least four valves: two to make the vacuum 19 then fill 20 the exchanger 16, one to make the vacuum in the reservoir 22 of the adsorbent and one for control the initiation of cooling 27.
  • This complex construction certainly does not allow to reach a cost price compatible with a disposable packaging like a can and character reversible of the communication contributes to this complexity.
  • This module 11 consists of several rooms, one first 12 which contains the liquid to be evaporated (from water) and a second chamber 14, internal to the first 12, containing desiccants 25 and " heat ”24. Triggering means allow contact the water 18 and the desiccants 25 which act as a pump for water vapor.
  • This adsorption reaction which cools the first room 12, however, causes significant clearance heat in the second chamber 14, which can be trapped by special materials 24 (by phase change or by endothermic reaction).
  • the second US patent 5,048,301 proposes to this end to add thermal insulation (DEWAR type) by a chamber vacuum 13 surrounding the chamber 14 containing the adsorbent 25.
  • the pumping speed depends of course on the effectiveness of the adsorbent, but also of geometric characteristics of the setting means communication of the evaporator with the tank containing the adsorbent, as well as pressure residual non-adsorbable gases, i.e. gases other than coolant vapor.
  • the objective of the present invention is to resolve the drawbacks of the prior art.
  • the object of the present invention is to provide a manufacturing process which enables the fast cooling of a drink in its packaging with a simple and inexpensive device.
  • the invention provides a method of manufacture of self-cooling beverage packaging which consists of two separate elements.
  • a evaporator (a cavity) containing a liquid refrigerant is placed inside the package and connection means are provided for connecting the evaporator to external pumping means the packaging which allow to provoke and maintain evaporation of the coolant.
  • the packaging manufacturing process of drink according to a particular mode of the invention makes it possible to maintain the pressure of non-adsorbable gases in the evaporator at a low level, less than 3 mb.
  • the present invention relates more particularly a process for manufacturing a self-cooling beverage packaging having the characteristics defined in claim 1.
  • the liquid refrigerant is water or water containing a additive lowering its solidification temperature.
  • the coolant partially fills the internal cavity.
  • the liquid refrigerant has been degassed prior to its introduction into the internal cavity.
  • the liquid refrigerant is frozen in an integrating form in the cavity, then placed in said cavity before its assembly in the packaging.
  • connection means consist of a conical structure closing the cavity and comprising an uncapping impression.
  • the means of connection are made in the bottom of the package.
  • the means of connection are made in the cover of packaging.
  • the assembly of the internal cavity in the packaging is produced by crimping Cold.
  • the assembly of the internal cavity in the packaging is produced by bonding.
  • the assembly of the cavity in the packaging is carried out under vacuum.
  • the assembly of the cavity in the packaging is made under pressure atmospheric, the method further comprising a step pumping the cavity before closing said cavity.
  • the internal cavity and the external pumping means constitute two separate independent elements in their design and manufacture. So the manufacturing of self-cooling packaging is greatly simplified since it contains only one evaporator and connection means. The production lines of conventional packaging can therefore easily be adapted.
  • the packaging of self-cooling drink obtained by the process of manufacturing according to the invention has no valve filling or. pumping, which simplifies the manufacturing and decreases the cost of production.
  • the following description relates to a method of manufacture of beverage packaging, can type steel or aluminum according to the manufacturers, fitted with means of refrigeration based on the principle of evaporation of a coolant under pressure scaled down.
  • the method according to the invention consists in manufacturing a heat exchanger 2 and place it inside a beverage packaging, consisting of a can 10 of standardized shape and volume.
  • This exchanger thermal is realized in the form of a cavity 2 that filling with a refrigerant liquid L.
  • cavity 2 is advantageously composed of same material as bobbin 10, namely steel or in aluminium.
  • the cavity 2 is produced separately and then assembled in the packaging 10 enclosing the coolant L. So that a such an operation is possible, the invention proposes perform the assembly step with the frozen liquid L inside the cavity 2.
  • the coolant L may have been introduced into cavity 2 in the form liquid then frozen with cavity 2, or have been frozen separately in a form that integrates with the cavity 2.
  • the liquid L is not filled only partially the cavity 2, for example half.
  • the internal walls of the cavity 2 can advantageously be covered with a porous material hydrophilic, such as cellulose or a polymer by example. This material can be glued to the walls of the cavity 2 during its manufacture or put in place same time as the frozen liquid L.
  • a porous material hydrophilic such as cellulose or a polymer by example. This material can be glued to the walls of the cavity 2 during its manufacture or put in place same time as the frozen liquid L.
  • the coolant L contained in the cavity internal 2 may be water, or preferably of water containing an additive lowering its temperature by solidification, such as NaCl for example. With a such additive, it is possible to improve the speed of cooling the drink by lowering the temperature of cavity 2 (the heat exchanger) in below 0 ° C when the coolant L is the water.
  • the cavity internal 2 contains only the coolant L as well as the vapors of said liquid L, that is to say that the liquid L has been degassed before being introduced into the cavity 2.
  • This degassing can be ensured, in particular, by pressure boiling atmospheric followed by boiling by reduction of pressure up to a few millibars.
  • the partial pressure in the internal cavity 2 of gases other than steam from coolant L, before connection of cavity 2 to the external pumping means 50 is maintained less than or equal to 3mb.
  • Cavity 2 has special features geometric such as its volume to surface ratio is three to seven times lower than the volume ratio on the packaging surface 10. Several configurations are possible to make the cavity 2.
  • the geometry of the cavity 2 favors a large exchange area with the drink to be cooled for a low volume occupied in packaging 10.
  • the cavity 2 is tubular structure, mainly consisting of tubes pump 3 which form ribs held between them by plates 31 and containing the liquid refrigerant L to evaporate.
  • the internal cavity 2 can advantageously have an arc shape conforming to the shape of the bobbin 10.
  • the tubular structure of the cavity 2 can be obtained by making the two sides separately (portion tubes and plates) by stamping. The liquid L frozen is then introduced between the two faces which are assembled to form the cavity 2.
  • the cavity 2 containing the coolant L is then sealed in packaging 10, by crimping cold of two cones one inside the other, collage or any other technique.
  • cold crimping is meant the assembly of two parts brought into contact with different temperatures and which expand or retract to join.
  • the assembly step can be carried out, for example, under vacuum and saturated vapor pressure of the coolant L. If assembly is carried out at atmospheric pressure, it is then necessary to plan a pumping step for cavity 2 before closing of the latter.
  • connection means 5, which allow connect the internal cavity 2 to the pumping means external 50 are illustrated in detail in Figures 6a and 6b.
  • connection means 5 associate a tube 4 extending the cavity 2 and the bottom of the package 10 by complementary conical crimped shapes (51 and 52) and (53 and 54). These are the means of connection 5 which close the packaging 10 and / or the cavity 2. It can also be envisaged to produce the connection means 5 in the cover of packaging 10 rather than at its bottom.
  • connection means 5 that is to say a local thinning of the structure, to allow cutting of an opening in the internal cavity 2 to using uncapping means associated with the means external pumping 50.
  • the cavity 2 constitutes a double bottom of the package 10.
  • This configuration takes up most of the features of the first.
  • the geometry of cavity 2 favors the establishment strong convection currents in the drink to ensure rapid cooling. She has, for example, a conical shape in section vertical ( Figure 7) and a star structure in horizontal section (figure 8). Cavity 2 is fixed directly on the bottom of the package 10 or on its cover, by gluing for example.
  • connection means 5 are similar to those described above, as well as the means of associated uncapping.
  • the double bottom structure of the cavity 2 can be obtained by stamping with packaging 10, the coolant L preferably being introduced frozen at the bottom of the can 10 before this assembly step.
  • the manufacturing process according to the invention allows to assemble the cavity 2 with the liquid refrigerant L in packaging 10 while maintaining the partial pressure of nonabsorbable gases in the cavity 2 at a low level, well below 3mb.
  • This objective is achieved by freezing the liquid L in cavity 2 and performing the assembly step under vacuum or at atmospheric pressure followed a pumping step before closing the cavity 2.
  • the standard equipment of the manufacturers of can 10 can be easily adapted, the steps of being practically unchanged by compared to making a standard can.
  • the invention indeed requires means of degassing and freezing of the refrigerant liquid L. For this, heating and pumping means are necessary, which is not difficult, nor heavy investments.
  • the invention further requires means assembly of the cavity 2 in the package 10 as well that means of making the vacuum in the cavity 2.
  • the assembly means essentially consist of means of bonding, crimping or stamping cold, which are techniques already used in standard equipment from can manufacturers.
  • the means of vacuuming cavity 2 can be simply means of pumping the cavity before its closing, the coolant L being frozen, or vacuum assembly means, which represent a slightly more specific equipment but used in many industries.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (15)

  1. Verfahren zur Herstellung einer selbstkühlenden Getränkeverpackung, aufweisend einen Schritt des Zusammenbaus von Kühlmitteln (2) im Inneren der Verpackung (10), wobei die Kühlmittel aus einer Ausnehmung (2) zusammengesetzt sind, die ein flüssiges Kühlmittel (L) beinhaltet, das geeignet ist, unter dem Einfluss einer Druckabsenkung zu verdampfen;
    Vorsehen von Verbindungsmitteln (5) in der Verpackung (10) zur Verbindung der Ausnehmung (2) mit Adsorptions-Pumpmitteln außerhalb der Verpackung,
    dadurch gekennzeichnet, dass der Schritt des Zusammenbaus derart realisiert wird, dass die Ausnehmung (2) die Kühlflüssigkeit (L) in verfestigter Form enthält.
  2. Herstellungs-Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Kühlflüssigkeit (L) vor deren Einbringung in die innere Ausnehmung (2) so entgast wurde, dass ein Partialdruck von nicht-adsorbierbaren Gasen in der inneren Ausnehmung (2) von weniger als 3 mb erzielt wird.
  3. Herstellungs-Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es folgende Schritte aufweist:
    Ausbildung zumindest eines Teils der Ausnehmung (2),
    Befüllung der Ausnehmung (2) mit einer Kühlflüssigkeit (L),
    Verfestigung dieser Flüssigkeit (L),
    Anbringung der Ausnehmung (2) in der Verpackung (10) unter Verwendung von Verbindungsmitteln (5).
  4. Herstellungs-Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es folgende Schritte aufweist:
    Ausbildung zumindest eines Teils einer Ausnehmung (2),
    Verfestigung einer Kühlflüssigkeit (L) in einer Form, die sich in die Ausnehmung (2) integriert,
    Befüllung der Ausnehmung (2) mit der verfestigten Flüssigkeit (L),
    Anbringung der Ausnehmung (2) in der Verpackung (10) unter Verwendung von Verbindungsmitteln (5).
  5. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Anbringung der inneren Ausnehmung (2) in der Verpackung (10) durch eine kalte Bördelverbindung realisiert wird.
  6. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Anbringung der inneren Ausnehmung (2) in der Verpackung (10) durch Kleben realisiert wird.
  7. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Anbringung der inneren Ausnehmung (2) in der Verpackung (10) unter Vakuum realisiert wird.
  8. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Anbringung der inneren Ausnehmung (2) in der Verpackung (10) unter Atmosphärendruck realisiert wird, wobei das Verfahren zusätzlich vor dem Verschluss der Ausnehmung (2) einen Pumpschritt für die Ausnehmung (2) aufweist.
  9. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Verbindungsmittel (5) in Form einer konischen Struktur (52, 53, 55), welche die Ausnehmung (2) verschließt, und einem Mittel zum Öffnen des Verschlusses realisiert sind.
  10. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Verbindungsmittel (5) am Boden der Verpackung (10) realisiert sind.
  11. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Verbindungsmittel (5) im Deckel der Verpackung (10) realisiert sind.
  12. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Kühlflüssigkeit (L) Wasser ist.
  13. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Kühlflüssigkeit (L) Wasser ist, welches einen Zuschlagstoff enthält, der die Erstarrungstemperatur herabsetzt.
  14. Herstellungs-Verfahren nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Kühlflüssigkeit (L) die innere Ausnehmung teilweise ausfüllt.
  15. Einrichtung zur Ausführung des Herstellungs-Verfahrens nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass sie folgendes aufweist:
    Verfestigungsmittel für eine Kühlflüssigkeit (L),
    Mittel zur Anordnung einer Ausnehmung (2), welche die verfestigte Kühlflüssigkeit (L) enthält, in der Verpackung (10),
    Mittel zur Ausbildung eines Unterdruckes in der Ausnehmung.
EP01945406A 2000-06-13 2001-06-13 Verfahren zur herstellung einer selbstkühlenden getränkeverpackung und vorrichtung zur durchführung des verfahrens Expired - Lifetime EP1290387B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0007530A FR2810015B1 (fr) 2000-06-13 2000-06-13 Procede de fabrication d'un emballage de boisson auto-refrigerant et equipement de mise en oeuvre dudit procede
FR0007530 2000-06-13
PCT/FR2001/001820 WO2001096796A1 (fr) 2000-06-13 2001-06-13 Procede de fabrication d'un emballage de boisson auto-refrigerant et equipement de mise en oeuvre dudit procede

Publications (2)

Publication Number Publication Date
EP1290387A1 EP1290387A1 (de) 2003-03-12
EP1290387B1 true EP1290387B1 (de) 2004-10-20

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EP01945406A Expired - Lifetime EP1290387B1 (de) 2000-06-13 2001-06-13 Verfahren zur herstellung einer selbstkühlenden getränkeverpackung und vorrichtung zur durchführung des verfahrens

Country Status (6)

Country Link
US (1) US6854280B2 (de)
EP (1) EP1290387B1 (de)
AT (1) ATE280373T1 (de)
DE (1) DE60106610T2 (de)
FR (1) FR2810015B1 (de)
WO (1) WO2001096796A1 (de)

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FR2810021B1 (fr) 2000-06-13 2004-05-21 Thermagen Emballage de boisson auto-refrigerant
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FR2832325B1 (fr) * 2001-11-16 2004-09-10 Thermagen Dispositif separateur d'etat liquide-gaz
DE602004014504D1 (de) * 2004-10-18 2008-07-31 Thermagen Selbstkühlende Flasche
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BR112012026443A2 (pt) 2010-04-16 2016-08-09 Gustavo Pérez López um recipiente de líquido projetado para incluir dispositivo de resfriamento autônomo seletivo e dispositivo de refrigeração aplicável ao referido recipiente de líquido
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Also Published As

Publication number Publication date
EP1290387A1 (de) 2003-03-12
DE60106610D1 (de) 2004-11-25
WO2001096796A1 (fr) 2001-12-20
FR2810015B1 (fr) 2004-05-28
DE60106610T2 (de) 2005-12-01
US6854280B2 (en) 2005-02-15
US20030115901A1 (en) 2003-06-26
FR2810015A1 (fr) 2001-12-14
ATE280373T1 (de) 2004-11-15

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