EP2896908A1 - Selbsterwärmendes oder selbstkühlends Pack - Google Patents

Selbsterwärmendes oder selbstkühlends Pack Download PDF

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Publication number
EP2896908A1
EP2896908A1 EP14151695.5A EP14151695A EP2896908A1 EP 2896908 A1 EP2896908 A1 EP 2896908A1 EP 14151695 A EP14151695 A EP 14151695A EP 2896908 A1 EP2896908 A1 EP 2896908A1
Authority
EP
European Patent Office
Prior art keywords
reagent
elements
rupturable
pressure
adaptable device
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Withdrawn
Application number
EP14151695.5A
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English (en)
French (fr)
Inventor
Paola Fatás Fernández
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.)
Cool Everywhere Sl
Original Assignee
Cool Everywhere Sl
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 Cool Everywhere Sl filed Critical Cool Everywhere Sl
Priority to EP14151695.5A priority Critical patent/EP2896908A1/de
Publication of EP2896908A1 publication Critical patent/EP2896908A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
    • F24V30/00—Apparatus or devices using heat produced by exothermal chemical reactions other than combustion

Definitions

  • the present invention belongs to the field of self-heating and self-cooling devices, specially directed to provide heating or cooling means for solid and/or liquids such as, for example, cosmetics, injured tissue, beverages and food.
  • Self-heating and self-cooling devices are useful when no heating or cooling sources are available. They typically act by exerting their heating or cooling capacity through exothermic or endothermic reactions, respectively. In their most general configuration, they include a cavity with a liquid, usually water, separated from another cavity that contains chemical products. When squeezing both cavities they break and the liquid and chemical products are mixed reacting in an endothermic or exothermic reaction. Further additives such as gels, phase exchangers or anti-freezers are used, which stabilize temperature or provide longer heating times.
  • Recent products using this philosophy are characterized by defining an inner rigid cavity configured to receive the content of the container, and defining a further external cavity separated from the internal cavity and extending inside the peripheral wall and having a second element comprising activating means ( DE 1986/0944 A1 , US 8,001,959 B2 , US 4,895,135 A , ES 2 183 784 ).
  • These rigid containers typically use heat conducting materials, such as aluminum or other metals and thus lack flexibility.
  • the adaptable device of the invention provides a surprisingly fast and efficient heat exchange, while significantly reducing production costs.
  • the present invention refers to an adaptable device comprising a plurality elements, each element comprising a first containing means which is delimited by a first surface, and contains a first one or more reagent, in contact with or connected to a second containing means which is delimited by a second surface, and contains a second one or more reagent, wherein said first surface, said second surface or both, comprise rupturable means configured to, while maintaining the integrity of the rest of at least one of said surfaces, break upon pressure so as to produce a temperature changing reaction through contact between said first one or more reagent and said second one or more reagent, characterized in that said device comprises two or more elements and each element is separated by non-rupturable separating means configured to maintain integrity upon said pressure.
  • each of the plurality of elements acts independently, the content of each first containing means mixing only with the contents of the corresponding second containing means separated by the rupturable means; each element being separated from other elements by non-rupturable separating means.
  • the division of the reacting liquids or chemical products in a plurality of independent first and second containing means provide flexibility for a better fit to the shape of the product, requiring the use of less product and leads to a faster and more homogeneous reaction. Further, such flexibility and better fit provides a greater contact surface, and thus heat or chill with greater efficiency. Even further, said plurality of elements provide shorter mixing times between the first and second one or more reagent. Such effects synergistically provide a far more efficient device in terms of heating/cooling time, energy transfer and manufacturing costs.
  • a further aspect of the invention includes a method of heating or cooling an object comprising contacting said object with an adaptable device of the invention, and then exercising pressure so as to break at least one of said rupturable separating means.
  • a further aspect of the invention is the use of the adaptable device of the invention to cool or to heat an object.
  • the device of the present invention allows different configurations of said first and second containing means.
  • the first containing means and the second containing means may share the rupturable means (6) as shown in figures 1A , 2A , 1C , 2C and 3 , which upon pressure breaks and allows contact between said first one or more reagent (7) and said second one or more reagent (8), and thus initiating the endothermic or exothermic reaction.
  • the first (11) and second surface (10), as well as the non-rupturable separating means (3) maintain their integrity and form a new containing means (9) resulting from the combination of the first and second surfaces.
  • the present invention is an adaptable device comprising a plurality of elements (1), each element comprising a first containing means (4) which is delimited by a first surface (11), and contains a first one or more reagent (7), and a second containing means (5) which is delimited by a second surface (10), and contains a second one or more reagent (8), said first (11) and second (10) surfaces sharing rupturable means (6) configured to, while maintaining the integrity of the rest of said first (11) and second (10) surfaces, break upon pressure and allow contact between said first one or more reagent (7) and said second one or more reagent (8) so as to produce a temperature changing reaction, characterized in that said device comprises two or more elements (1) and each element is separated by non-rupturable separating means (3) configured to maintain integrity upon said pressure.
  • the first containing means (4) of each element contains said second containing means (5).
  • the second containing means (5) breaks upon pressure through the rupturable means (6).
  • the first contain means (4) maintain their integrity in order to host the temperature changing reaction between the first (7) and second one or more reactants and/or liquids (8).
  • the rupturable means (6) can extend through the second surface (10) as long as the first surface (11) and the non-rupturable separating means (3) that separate each of the elements (1) do not break.
  • the present invention also refers to an adaptable device comprising a plurality of elements (1), each element (1) comprising a first containing means (4) which is delimited by a first surface (11), and contains (i) a first one or more reagent, (7) and also contains (ii) a second containing means (5) which is delimited by a second surface (10), and contains a second one or more reagent (8), said second surface (10) comprising rupturable means (6) upon pressure while maintaining the integrity of said first surface (11) and the rest of said second surface (10) so as to produce a temperature changing reaction through contact between said first one or more reagent (7) and said second one or more reagent (8), characterized in that said device comprises two or more elements (1) and each element is separated by non-rupturable separating means (3) configured to maintain integrity upon said pressure.
  • the element (1) is designed so that said rupturable means (6) break solely by the pressure applied, without requiring any further breaking means. No further puncturing means are required, allowing for a clean and simple way to manufacture the adaptable device of the invention which can adapt to virtually any surface.
  • the same device is suitable for any kind of product to be heated or cooled, taking advantage of scale economies in its manufacture.
  • the device of the invention is especially advantageous due to the close fit it provides, without the need of special configurations.
  • the first (11) and second (10) surfaces can be made of any material that can maintain integrity upon pressure, and the skilled person can provide different configurations depending on the final use given to the elements (1) of the device of the invention. It is always advantageous to provide materials with optimal heat transfer properties and which allow the best fit to objects. It also preferable that the mixture formed between said first one or more reagent (7) and said second one or more reagent (8) when activating the device is as close and fit to the product as possible. This may be achieved by providing a configuration which maximizes the content of the new containing means (9) formed, and minimizes formation of air bags, which dissipate heat or cold and reduce heat transfer between the device of the invention and the object.
  • said first (11) and second (10) surfaces are made of plastic, which provides an economic and convenient alternative.
  • suitable plastics can be selected from the group consisting of polyehtylene, polypropylene, polyamides, polyesters, aluminum, other metallized materials, and mixtures thereof.
  • the material used is flexible so as to fit the surface of the product to be heated or cooled and thus maximize the contact surface. It should also be considered that heat transfer is improved with increasing intrinsic heat conductivity of the material of the first (11) and second (10) surface and with diminishing thickness.
  • the adaptable device of the invention comprises an inner face, for contact with the object, and an opposite outer face.
  • both faces can be made of different materials with different conductivities so as to favor the energy exchange with the object, while isolating from the exterior, and thus improving the overall efficiency of the device.
  • the inner face can be made of a highly conductive material, such as aluminum or a metallized material, and the opposite outer face of a less conducting material, such as polyethylene or polyethylene.
  • a similar effect may be achieved by using the same material on both faces, but with different thicknesses, i.e. with a thinner inner face.
  • reaction should be understood, not only as a process by which new chemical products are created by breakage and formation of bonds, but also as any processes which involves changes in said first and second one or more reagent.
  • Non limiting examples are redox or acid base reactions, as well as mixing processes, dilution, solution, phase changes, absorption, adsorption, changes in electronic states, or changes in crystal structures.
  • Said first and second reagent can be independently chosen from any physical state as long as they can both sufficiently mix upon activation.
  • Such physical states can be, but are not limited to, fluids such as liquids, gels or gases, or solids whether amorphous or crystalline, and also include slurries and suspensions.
  • said first one or more reagent (7) comprises is selected from the group consisting of urea, ammonium chloride, ammonium nitrate, potassium nitrate, sodium chloride, starch, calcium chloride, trihydrate sodium acetate, calcium oxide, hexadecan, vegetable oils and mixtures thereof
  • said second one or more reagent (8) comprises a liquid selected from the group consisting of water, poliethylenglycol, ethylenglycol, diluted acids, such as hydrochloric acid, and diluted bases, such as sodium hydroxide.
  • Preferred combinations of the invention are those wherein said first one or more reagent (7) comprises ammonium chloride and/or urea and said second one or more reagent (8) comprises water.
  • the chemical system of the invention may additionally comprise chemicals such as gel forming reagents, phase transfer exchangers, anti-freezers, chemo-luminescent reagents or colorants.
  • said first containing means (4) and/or said second containing means (5) are completely full with their respective one or more reagent. This provides a more efficient use of the volumes and heat transfer.
  • the activation of the element (1) to produce heat or cold takes place when pressure is exerted over the first containing means (4) and/or the second containing means (5) by which the rupturable means (6) is broken allowing the first one or more reagent (7) to mix with the second one or more reagent (8), while maintaining the integrity of the first (11) and second (10) surfaces.
  • Pressure may be exerted by a person in the need to heat or cool and object or by any other means, such as torsion, compression, distortion or vacuum.
  • the device of the invention comprises three or more elements (1), alternatively four or more.
  • the device of the invention comprises five or more elements (1) or six or more elements (1).
  • the device comprises between 3 and 20 elements (1).
  • the elements (1) forming the device may have different sizes and shapes depending on the use to be given.
  • the plurality of rupturable means (6) present in the device break, allowing each of the plurality of first one or more reagent (7) to mix with its corresponding second one or more reagent (8), while maintaining the integrity of the first (11) and second surfaces (10).
  • each of the non-rupturable separating means (3) maintains its integrity isolating each element (1) and preventing the containing means with the same content (and thus not producing exothermic or endothermic reaction) to mix. In this way fast and homogeneous reaction is obtained throughout the surface of the object.
  • objects can be plates, plastic food containers, bottles, glasses, jars or cans.
  • the device of the invention may comprise support means or jacket.
  • Said support means can be smooth or textured and extends to part of the plurality of elements (1) or completely extends over the totality of said plurality of elements (1).
  • said support means evenly distributes said pressure and facilitates breakage of all or part of the plurality of rupturable means (6).
  • said support means is selected from the group consisting of plastic, neoprene, paper, cardboard, wood, metallized plastic, metallized films or combinations thereof.
  • the support means is further advantageous because it thermally isolates the object-device system while heat transfer takes place. This heats or cools more efficiently the object for a longer time. Further, the support prevents contact between the device and the skin, making the usage experience more pleasant. An even further advantage of the support means is preventing accidental activation of the device before it is used.
  • At least one of the plurality of elements (1) which constitute the device of the invention may contain attachment means in order to better fix it to the object.
  • the elements (1) may comprise attachment means between the object and the support means.
  • the device comprises attachment means between one or more elements (1) and said support means. Attachment to the support means helps preventing collapse of the adaptable device when contacted with the object, thus acting as guide when the adaptable device of the invention is contacted with the object to be cooled or heated. This is especially useful when the adaptable device of the invention provides a cavity in which the object (e.g. a bottle or a can) is inserted.
  • Such attachment means may comprise adhesive means for better adherence to the object to be heated or cooled.
  • At least one of said first (11) and second (10) surfaces comprise adhesive means. At least one of said first (11) and second (10) surfaces is partially or totally covered by an adhesive material, preferably an adhesive film. In an alternative embodiment, the device is totally or partially covered by an adhesive film in one or both faces thereof. In a further embodiment, said first and/or second surfaces are made of an adhesive material. Due to ease of manufacture it is preferred to use non-adhesive materials in the manufacture of said first and second containing means and then apply an adhesive film.
  • the device of the invention is easy to manufacture and to transport.
  • the device, and support means or jacket, if any, can be folded after manufacture in order to facilitate its transport, and can be unfolded by exerting an appropriate pressure when ready to use, creating a cavity wherein the object can be placed.
  • the device can be given different shapes depending on the final use. For example, it can form a rectangular shape which can be wrapped around the object either when manufactured or before use.
  • the elements (1) can have different shapes. In a preferred embodiment they have are longitudinal bars with elliptic or substantially flat cross-section once filled. Said longitudinal elements are according to an alternative embodiment sealed thereby creating non-rupturable separating means (3) to form rectangular pouches, in a mosaic which can be thereafter be cut to the appropriate shape.
  • the adaptable device of the invention can be manufactured with a vertical multi lane packaging machine by appropriate sealing in each case with rupturable and non-rupturable closures.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Cookers (AREA)
EP14151695.5A 2014-01-18 2014-01-18 Selbsterwärmendes oder selbstkühlends Pack Withdrawn EP2896908A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14151695.5A EP2896908A1 (de) 2014-01-18 2014-01-18 Selbsterwärmendes oder selbstkühlends Pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14151695.5A EP2896908A1 (de) 2014-01-18 2014-01-18 Selbsterwärmendes oder selbstkühlends Pack

Publications (1)

Publication Number Publication Date
EP2896908A1 true EP2896908A1 (de) 2015-07-22

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EP14151695.5A Withdrawn EP2896908A1 (de) 2014-01-18 2014-01-18 Selbsterwärmendes oder selbstkühlends Pack

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EP (1) EP2896908A1 (de)

Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219332A1 (de) * 1971-05-08 1973-02-01 Bowater Packaging Ltd Kuehleinrichtung
GB1383536A (en) * 1972-03-22 1974-02-12 Kay Laboratories Inc Hot or cold pack
US3804077A (en) 1971-08-05 1974-04-16 Kay Laboratories Inc Hot or cold pack
US3874504A (en) 1971-11-22 1975-04-01 John P Verakas Chemical thermal pack
US3977202A (en) 1975-05-28 1976-08-31 Johnson & Johnson Cold pack device
US4895135A (en) 1987-08-10 1990-01-23 Fukubi Kagaku Kogyo Kabushiki Kaisha Self-heating container
WO1997039708A2 (en) * 1996-04-23 1997-10-30 Allegiance Corporation Perineal hot and cold pack
US5984953A (en) 1998-05-21 1999-11-16 Tempra Technology, Inc. Self-regulating heat pack
DE19860944A1 (de) 1998-12-30 2000-07-20 Bluemer Mike Konservendosen mit integrierter Wärmequelle im Dosenboden
US20010008072A1 (en) * 1999-03-06 2001-07-19 Kohout Daniel J. Extended life thermal pack
EP1164092A2 (de) * 2000-06-13 2001-12-19 Mauro Zaninelli Beutel mit Heiz- oder Kühlvorrichtung
US20020046566A1 (en) * 2000-10-19 2002-04-25 Liao Wen Hu Instant cold pack
US6524331B1 (en) * 1998-09-18 2003-02-25 Allegiance Corporation Thermal device with automatic nesting feature
ES2183784T3 (es) 1999-02-26 2003-04-01 Thermotic Dev Ltd Envase con autocalentamiento o autoenfriamiento.
US20030116452A1 (en) * 2001-11-26 2003-06-26 Jerko Saric Trigger mechanism for self-heating/cooling packages or containers universally applied to both rigid and non-rigid packages and containers
US20030118779A1 (en) * 2001-12-20 2003-06-26 Kimberly-Clark Worlwide, Inc. Activatable laminate structures
US6644383B2 (en) 2001-06-29 2003-11-11 The Procter & Gamble Company Self-heating/self-cooling package
US7021848B1 (en) * 1999-10-08 2006-04-04 The Procter & Gamble Company Semi-enclosed applicator having a temperature changing element
US20060081000A1 (en) * 2003-06-06 2006-04-20 Trinh Dennis S Non-slip ice bag device and method for using same to treat patients
US20060289565A1 (en) * 2005-06-24 2006-12-28 Stephen Manzo Product dispensing package with single use thermal engine
WO2007059122A1 (en) * 2005-11-14 2007-05-24 Heat Wave Technologies Llc Self-heating container
US20070150033A1 (en) * 2005-12-22 2007-06-28 Cherlin Johnson Cooling blanket
US20070157921A1 (en) * 2005-12-23 2007-07-12 Rankin Ronald C Material heater
US20090090349A1 (en) * 2007-10-05 2009-04-09 Donovan James A Pan in pan heater
DE102008015677A1 (de) 2008-03-25 2009-10-01 Zeo-Tech Gmbh Selbsterwärmendes Heizelement mit Sorptionsmittel
US20100126492A1 (en) * 2008-11-24 2010-05-27 St Etienne Roselyn Portable baby bottle warmer
WO2012113479A1 (de) 2011-02-21 2012-08-30 Scaldopack Sprl. Verpackung für ein flüssiges füllgut sowie verfahren und vorrichtung zu dessen herstellung

Patent Citations (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219332A1 (de) * 1971-05-08 1973-02-01 Bowater Packaging Ltd Kuehleinrichtung
US3804077A (en) 1971-08-05 1974-04-16 Kay Laboratories Inc Hot or cold pack
US3874504A (en) 1971-11-22 1975-04-01 John P Verakas Chemical thermal pack
GB1383536A (en) * 1972-03-22 1974-02-12 Kay Laboratories Inc Hot or cold pack
US3977202A (en) 1975-05-28 1976-08-31 Johnson & Johnson Cold pack device
US4895135A (en) 1987-08-10 1990-01-23 Fukubi Kagaku Kogyo Kabushiki Kaisha Self-heating container
WO1997039708A2 (en) * 1996-04-23 1997-10-30 Allegiance Corporation Perineal hot and cold pack
US5984953A (en) 1998-05-21 1999-11-16 Tempra Technology, Inc. Self-regulating heat pack
EP1079773A1 (de) * 1998-05-21 2001-03-07 Tempra Technology, Inc. Selbstregulierter wärmepack
US6524331B1 (en) * 1998-09-18 2003-02-25 Allegiance Corporation Thermal device with automatic nesting feature
DE19860944A1 (de) 1998-12-30 2000-07-20 Bluemer Mike Konservendosen mit integrierter Wärmequelle im Dosenboden
ES2183784T3 (es) 1999-02-26 2003-04-01 Thermotic Dev Ltd Envase con autocalentamiento o autoenfriamiento.
US20010008072A1 (en) * 1999-03-06 2001-07-19 Kohout Daniel J. Extended life thermal pack
US7021848B1 (en) * 1999-10-08 2006-04-04 The Procter & Gamble Company Semi-enclosed applicator having a temperature changing element
EP1164092A2 (de) * 2000-06-13 2001-12-19 Mauro Zaninelli Beutel mit Heiz- oder Kühlvorrichtung
US20020046566A1 (en) * 2000-10-19 2002-04-25 Liao Wen Hu Instant cold pack
US6644383B2 (en) 2001-06-29 2003-11-11 The Procter & Gamble Company Self-heating/self-cooling package
US20030116452A1 (en) * 2001-11-26 2003-06-26 Jerko Saric Trigger mechanism for self-heating/cooling packages or containers universally applied to both rigid and non-rigid packages and containers
US20030118779A1 (en) * 2001-12-20 2003-06-26 Kimberly-Clark Worlwide, Inc. Activatable laminate structures
US20060081000A1 (en) * 2003-06-06 2006-04-20 Trinh Dennis S Non-slip ice bag device and method for using same to treat patients
US20060289565A1 (en) * 2005-06-24 2006-12-28 Stephen Manzo Product dispensing package with single use thermal engine
WO2007059122A1 (en) * 2005-11-14 2007-05-24 Heat Wave Technologies Llc Self-heating container
US8001959B2 (en) 2005-11-14 2011-08-23 Heat Wave Technologies, Llc Self-heating container
US20070150033A1 (en) * 2005-12-22 2007-06-28 Cherlin Johnson Cooling blanket
US20070157921A1 (en) * 2005-12-23 2007-07-12 Rankin Ronald C Material heater
US20090090349A1 (en) * 2007-10-05 2009-04-09 Donovan James A Pan in pan heater
DE102008015677A1 (de) 2008-03-25 2009-10-01 Zeo-Tech Gmbh Selbsterwärmendes Heizelement mit Sorptionsmittel
US20100126492A1 (en) * 2008-11-24 2010-05-27 St Etienne Roselyn Portable baby bottle warmer
WO2012113479A1 (de) 2011-02-21 2012-08-30 Scaldopack Sprl. Verpackung für ein flüssiges füllgut sowie verfahren und vorrichtung zu dessen herstellung

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