EP1164341A1 - Selbstkühlende Getränkeverpackung - Google Patents

Selbstkühlende Getränkeverpackung Download PDF

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Publication number
EP1164341A1
EP1164341A1 EP01401522A EP01401522A EP1164341A1 EP 1164341 A1 EP1164341 A1 EP 1164341A1 EP 01401522 A EP01401522 A EP 01401522A EP 01401522 A EP01401522 A EP 01401522A EP 1164341 A1 EP1164341 A1 EP 1164341A1
Authority
EP
European Patent Office
Prior art keywords
self
cooling
packaging
cavity
packaging according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01401522A
Other languages
English (en)
French (fr)
Other versions
EP1164341B1 (de
Inventor
Pierre c/o Cabinet Ballot 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
Original Assignee
Thermagen SA
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 Thermagen SA filed Critical Thermagen SA
Publication of EP1164341A1 publication Critical patent/EP1164341A1/de
Application granted granted Critical
Publication of EP1164341B1 publication Critical patent/EP1164341B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/107—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air 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

Definitions

  • the present invention relates to a packaging for drink to cool its contents.
  • the invention is particularly applicable to cooling of drinks contained in a package closed can or bottle type.
  • the object of the present invention is to allow consumption of a drink at the ideal temperature any place and any time.
  • 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.
  • connection device 109 is however complex to manufacture, especially if it is necessary to guarantee a good vacuum (moving parts by rotation and translation with rubber seal). Such a device is not cheap.
  • US Patent 4,736,599 proposes to create 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 start of cooling 27.
  • a structuring ensures the rigidity of chambers 16 and 22 vacuum and a tube 26 connects the different elements.
  • This complex construction does not allow certainly not to reach a cost price compatible with disposable packaging like a can and the reversibility of the communication contributes to this complexity.
  • This module 11 consists of several rooms, one first 12 which contains the liquid to be evaporated 18 (of 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 chamber 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 as such 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 efficiency of the adsorbent, but also geometric characteristics of the setting means communication of the evaporator with the tank containing the adsorbent, and the residual pressure of the non-adsorbable gases, i.e. gases other than coolant vapor.
  • the objective of the present invention is to solve the drawbacks of the prior art.
  • the present invention provides a packaging for self-cooling beverage whose functioning is based on the principle of the evaporation of a liquid reduced pressure refrigerant.
  • the invention provides a packaging of self-cooling drink composed of two elements separate.
  • the beverage packaging according to the invention contains refrigeration means consisting of a internal evaporator (a cavity) and means for connection of these refrigeration means to means pumping external to the packaging which cause and maintain the evaporation of a coolant in the internal evaporator.
  • Internal refrigeration means and means pumping elements make up the two elements distinct from the device according to the invention. They are connected by means of connection but are independent in their design and manufacture.
  • the present invention more particularly has for self-cooling drink packaging, characterized in that it includes means for internal refrigeration of said packaging and means of connection to adsorption pumping means external to the packaging, the means of refrigeration internal being composed of a cavity containing a refrigerant which evaporates under the effect of depression.
  • the volume ratio on the surface of the internal cavity is between three and seven times lower than the volume ratio over the packaging surface.
  • the internal cavity has a volume less than or equal to 2cl for a packaging with a volume of 33cl.
  • the internal cavity has a contact surface greater than or equal to 50 cm 2 for a package with a volume of 33 cl.
  • the cavity internal is sealed to the walls of the package.
  • the liquid refrigerant is water.
  • the liquid coolant is water containing a lowering additive its solidification temperature.
  • the coolant partially filled the internal cavity.
  • the partial pressure in the internal cavity of gases other than the vapor of the coolant, before connection to the means of external pumping is less than or equal to 3mb.
  • the internal walls of the cavity are partially covered with a material porous hydrophilic.
  • connection means have a cone structure closing the cavity internal and comprising an uncapping imprint, the external pumping means being provided with means uncapping coming from fitting on said structure in a cone.
  • the internal cavity has a geometry such that the coolant cannot flow through the connection means which whatever the position in which the packaging is maintained.
  • the cavity is a tubular structure composed of ribs held together by plates and connected to connection means.
  • the cavity includes a tube connecting the ribs to the connection means, said tube and the bottom of the package having shapes complementary crimped bevels.
  • the tube opens into the center of the internal cavity, the ribs converging on this central point.
  • the cavity internal constitutes a double bottom of the packaging.
  • the internal cavity is conical shape with star section.
  • the cavity internal has a helical structure.
  • the structure cone connection means closing the cavity penetrates inside said cavity so that that the uncapping imprint is located towards the center of gravity of the cavity.
  • the packaging is a steel can.
  • the packaging is an aluminum can.
  • the internal cavity is made of the same material as the packaging.
  • the packaging is a resistant plastic bottle (PET).
  • PET resistant plastic bottle
  • the packaging is a glass bottle.
  • the self-cooling packaging according to the invention is connected to external pumping means constituted an air vacuum cartridge containing material able to adsorb the coolant.
  • self-cooling packaging is connected to means external pumping consisting of a vacuum pump mechanical.
  • self-cooling packaging is connected to means pumping devices made up of pumping means cryogenic.
  • the packaging according to the invention has performance and flexibility far superior to those proposed in the prior art.
  • the design of two separate elements allows optimize the industrialization of the system according to the invention.
  • the internal cavity must be added to the container but it occupies a negligible volume and can advantageously be made of the same material.
  • the shape of the cavity is also studied for allow maximum heat exchange for a volume minimal occupancy.
  • the following description relates to a packaging of beverage, such as a steel or aluminum can, depending on manufacturers, equipped with refrigeration means based on the principle of the evaporation of a liquid reduced pressure refrigerant.
  • the invention can however concern in the same way a packaging of drink, like glass or plastic bottle resistant (such as PET for example).
  • a drink package consisting of a can 10, of standardized shape and volume, includes a heat exchanger consisting of an internal cavity 2 containing liquid L.
  • This cavity 2 has geometric features such that its volume-to-surface ratio is three to seven times lower than the volume-to-surface ratio of the packaging 10.
  • the volume of cavity 2 is less than or equal to 2cl and its contact surface is greater than or equal to 50cm 2 .
  • cavity 2 is advantageously composed of same material as bobbin 10, namely steel or in aluminium.
  • the cavity 2 will preferably be produced in a thermally conductive material such as aluminum for example.
  • 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 liquid L only partially filled cavity 2, for example at half.
  • the internal walls of cavity 2 are advantageously covered with a porous hydrophilic material, such as cellulose or a polymer for example.
  • the self-cooling drink packaging does not contain no filling or pumping valve.
  • Cavity 2 containing the liquid L to be evaporated under vacuum, is sealed in package 10, by cold crimping two cones one inside the other, collage or any other technical.
  • the internal cavity 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 beforehand to be introduced into cavity 2.
  • This degassing can be assured, in particular, by boiling at atmospheric pressure followed by boiling by pressure reduction 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 is less than or equal at 3mb.
  • cavity 2 is important to look at the cooling rate that one wish to obtain because it conditions the effectiveness of heat exchange between cavity 2 and the drink cool.
  • the geometry of the cavity 2 favors a large exchange area with the drink to be cooled for a small volume occupied in packaging 10.
  • the ratio of volume to surface area cavity 2 is then between 5 and 7 times that of the packaging 10 of the drink.
  • the cavity 2 is tubular structure, mainly consisting of tubes pump 3 which form ribs held between them by plates 31.
  • the ribs 3 have a shape 3/4 of a cylinder and lead to a common pipe 4. They contain the refrigerant L to evaporate.
  • the internal cavity 2 can advantageously have an arc shape matching the shape of the bobbin 10. It is fixed to the walls of the bobbin 10 by fastening means 6 composed of claws welded or glued for example.
  • Figure 7 illustrates an alternative embodiment in which the common pipe 4 opens out at the center C of cavity 2. This arrangement prevents the flow of coolant L by the connection means 5 and thus makes it possible to ensure the evaporation reaction which that is the position in which the bobbin 10 is held when connected to the pumping means external (50).
  • connection means 5 which allow ' connect the tube 4 of the internal cavity 2 to the means of external pumping are illustrated in detail on the Figures 5a and 5b.
  • connection means 5 associate the tube 4 and the bottom of the package 10 by conical shapes complementary crimped.
  • the tube 4 has a tip 52 in the form of cone set in a boss 51 at the bottom of the package 10. It is the tube 4 of the cavity 2 which ensures the closing of the bottom of the package 10 at the time of its assembly. Cavity 2 is sealed under vacuum before being fixed to the bottom of the package 10.
  • the tube 4 has a tip 54 with a boss set on a cone 53 from the bottom of the package 10.
  • cone 53 from the bottom of the packaging 10 which closes the cavity 2 at the time of its assembly.
  • this assembly can be carried out, for example, under vacuum and under pressure of saturated vapor of the refrigerant liquid L.
  • closing the cavity 2 can be secured by a conical plug 55 (figure 8) for example, set up after the assembly of the cavity 2 in packaging 10.
  • this plug can be part of the pumping means by external adsorption if the latter is jointly assembled to the packaging during its manufacture.
  • the structure which closes cavity 2 must necessarily include a uncapping imprint, i.e. a 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 means of uncapping may have different shapes, tubular or pointed for example, and be operated by different means, by pressure manual for example. Their function is to support on the uncapping imprint to cut a opening in the internal cavity 2 and thus allowing the initiation of the evaporation reaction and the implementation of the cooling process of the drink contained in the package 10.
  • This second mode takes up most of the peculiarities of the first embodiment. Only the shape of cavity 2 varies. The geometry of the cavity 2 favors the establishment of currents of important convection in the drink to ensure rapid cooling.
  • the internal cavity 2 advantageously constitutes a double bottom of the can 10. It has, for example, a conical shape in vertical section (figure 8) and a star structure in horizontal section (figure 9). Cavity 2 is fixed directly to the bottom of the package 10, by collage for example.
  • connection means 5 associated with this second embodiment are similar to those described in reference to the first embodiment, as well as the associated uncapping means.
  • package 10 When implementing cooling, package 10 is turned upside down. This specificity can be indicated in the mode instructions for self-cooling packaging according to the invention.
  • the conical shape of the cavity 2 allows then to concentrate the convection currents descendants in the center of the bobbin 10 and speed up thus the speed of cooling of the drink.
  • the star structure of the cavity 2 allows besides increasing its exchange surface with the drink to cool.
  • the report volume on the surface of cavity 2 is then between 3 and 5 times that of packaging 10 of the drink.
  • the cavity 2 has a helical structure ( Figure 10) which causes a rotational movement in the current of convection, known as a vortex, which contributes to the acceleration of this current.
  • This advantageous structure can advantageously be obtained by helical shaping of the star structure of figure 9. It can also be obtained, for example, by adding fins to the structure of the cavity 2.
  • the structure in cone 55 of the connection means 5 closing the cavity 2 penetrates inside said cavity 2 so as to what the uncapping imprint is towards the center of gravity of the cavity 2. It is thus possible avoid a flow of the coolant L through the connection means 5, during the implementation of the cooling, regardless of the position in which packaging 10 is held.
  • the cooling of the drink 15 contained in the can 10 is obtained by the evaporation of the liquid L contained in the internal cavity 2. This evaporation is caused and maintained by a depression in the internal cavity 2.
  • external pumping means (50) are provided in combination with self-cooling packaging according to the invention, these external means being able to initiate and maintain the reaction evaporation of the coolant L in the cavity 2.
  • these external means (50) may consist of a mechanical vacuum pump, or cryogenic pumping means such as cold traps that condense water vapor, or still from an air vacuum cartridge containing reagents (desiccants) capable of triggering adsorption of liquid L.

Landscapes

  • 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)
  • Wrappers (AREA)
  • Tea And Coffee (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Table Devices Or Equipment (AREA)
EP01401522A 2000-06-13 2001-06-13 Selbstkühlende Getränkeverpackung Expired - Lifetime EP1164341B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0007531 2000-06-13
FR0007531A FR2810021B1 (fr) 2000-06-13 2000-06-13 Emballage de boisson auto-refrigerant

Publications (2)

Publication Number Publication Date
EP1164341A1 true EP1164341A1 (de) 2001-12-19
EP1164341B1 EP1164341B1 (de) 2005-01-05

Family

ID=8851222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01401522A Expired - Lifetime EP1164341B1 (de) 2000-06-13 2001-06-13 Selbstkühlende Getränkeverpackung

Country Status (7)

Country Link
US (2) US6324861B1 (de)
EP (1) EP1164341B1 (de)
JP (1) JP2002098457A (de)
AT (1) ATE286588T1 (de)
DE (1) DE60108203T2 (de)
ES (1) ES2236157T3 (de)
FR (1) FR2810021B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166867A1 (en) 2013-04-08 2014-10-16 Carlsberg Breweries A/S A system for externally cooling a beverage holder and a method of externally cooling a beverage holder

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2810021B1 (fr) 2000-06-13 2004-05-21 Thermagen Emballage de boisson auto-refrigerant
FR2832495B1 (fr) * 2001-11-16 2004-02-20 Thermagen Echangeur thermique
FR2832325B1 (fr) * 2001-11-16 2004-09-10 Thermagen Dispositif separateur d'etat liquide-gaz
FR2834973B1 (fr) * 2002-01-18 2005-04-15 Thermagen Isolation d'un emballage de boisson auto-refrigerant
US7565808B2 (en) * 2005-01-13 2009-07-28 Greencentaire, Llc Refrigerator
US7597142B2 (en) 2006-12-18 2009-10-06 Schlumberger Technology Corporation System and method for sensing a parameter in a wellbore
US7726135B2 (en) 2007-06-06 2010-06-01 Greencentaire, Llc Energy transfer apparatus and methods
US8556108B2 (en) 2007-09-26 2013-10-15 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US20090200005A1 (en) * 2008-02-09 2009-08-13 Sullivan Shaun E Energy transfer tube apparatus, systems, and methods
US20100024441A1 (en) * 2009-01-06 2010-02-04 Victor Yeung Dry ice vaporizing device and method
US8578926B2 (en) 2009-03-09 2013-11-12 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US8360048B2 (en) 2009-03-09 2013-01-29 Heat Wave Technologies, Llc Self-heating systems and methods for rapidly heating a comestible substance
US9879897B2 (en) 2010-12-02 2018-01-30 Frosty Cold, Llc Cooling agent for cold packs and food and beverage containers
US10155698B2 (en) 2010-12-02 2018-12-18 Frosty Cold, Llc Cooling agent for cold packs and food and beverage containers
US9039924B2 (en) 2010-12-02 2015-05-26 Frosty Cold, Llc Cooling agent for cold packs and food and beverage containers
CN105476383A (zh) * 2015-12-22 2016-04-13 苏州征之魂专利技术服务有限公司 泡茶杯
CN105615495A (zh) * 2015-12-22 2016-06-01 苏州征之魂专利技术服务有限公司 慢冷杯

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EP0931998A2 (de) * 1998-01-24 1999-07-28 Bass Public Limited Company Getränkekühlbehälter
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WO2001010738A1 (en) * 1999-08-04 2001-02-15 Crown Cork & Seal Technologies Corporation Self-cooling can

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US4688395A (en) * 1985-10-03 1987-08-25 Superior Marketing Research Corp. Self-contained cooling device for food containers
US4669273A (en) * 1986-05-07 1987-06-02 Liquid Co2 Engineering Inc. Self-cooling beverage container
US5440896A (en) * 1991-11-19 1995-08-15 Maier-Laxhuber; Peter Apparatus for cooling a medium within a container
US5447039A (en) * 1994-03-29 1995-09-05 Allison; Robert S. Beverage can cooling system
WO1997021964A1 (en) * 1995-12-08 1997-06-19 Ho Kyun Kim Beverage container with an enclosed cooling system
US5946930A (en) * 1997-03-26 1999-09-07 Anthony; Michael M. Self-cooling beverage and food container using fullerene nanotubes
EP0931998A2 (de) * 1998-01-24 1999-07-28 Bass Public Limited Company Getränkekühlbehälter
US6065300A (en) * 1999-02-08 2000-05-23 Anthony; Michael M. Self-cooling container with internal beverage vessel having a vessel wall with reversible wall bulges
WO2001010738A1 (en) * 1999-08-04 2001-02-15 Crown Cork & Seal Technologies Corporation Self-cooling can

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166867A1 (en) 2013-04-08 2014-10-16 Carlsberg Breweries A/S A system for externally cooling a beverage holder and a method of externally cooling a beverage holder

Also Published As

Publication number Publication date
EP1164341B1 (de) 2005-01-05
US20020007645A1 (en) 2002-01-24
ES2236157T3 (es) 2005-07-16
DE60108203T2 (de) 2005-12-29
FR2810021B1 (fr) 2004-05-21
JP2002098457A (ja) 2002-04-05
US6324861B1 (en) 2001-12-04
FR2810021A1 (fr) 2001-12-14
US6722153B2 (en) 2004-04-20
ATE286588T1 (de) 2005-01-15
DE60108203D1 (de) 2005-02-10

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