US20020020407A1 - Multi-compartment pack for cooling or heating of products - Google Patents

Multi-compartment pack for cooling or heating of products Download PDF

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Publication number
US20020020407A1
US20020020407A1 US09880703 US88070301A US2002020407A1 US 20020020407 A1 US20020020407 A1 US 20020020407A1 US 09880703 US09880703 US 09880703 US 88070301 A US88070301 A US 88070301A US 2002020407 A1 US2002020407 A1 US 2002020407A1
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Prior art keywords
compartment
compartments
multi
pack according
wall
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Abandoned
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US09880703
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William Wohland
Rene Rivero
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Coty Inc
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Coty Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3484Packages having self-contained heating means, e.g. heating generated by the reaction of two chemicals
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
    • A45D34/00Containers or accessories specially adapted for handling liquid toilet or cosmetic substances, e.g. perfumes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261Flexible containers having several compartments
    • B65D81/3266Flexible containers having several compartments separated by a common rupturable seal, a clip or other removable fastening device
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/16Materials undergoing chemical reactions when used
    • C09K5/18Non-reversible chemical reactions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D5/00Devices using endothermic chemical reactions, e.g. using frigorific mixtures
    • F25D5/02Devices using endothermic chemical reactions, e.g. using frigorific mixtures portable, i.e. adapted to be carried personally
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
    • A45D2200/00Details not otherwise provided for in A45D
    • A45D2200/15Temperature
    • A45D2200/152Walls with thermally insulating properties, i.e. preventing the exposure of cosmetics to the exterior temperature
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
    • A45D2200/00Details not otherwise provided for in A45D
    • A45D2200/15Temperature
    • A45D2200/155Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT
    • A45D40/00Casings or accessories for storing or handling solid or pasty toilet or cosmetic substances, e.g. shaving soap, lipstick, make-up
    • A45D40/0087Casings or accessories for storing or handling solid or pasty toilet or cosmetic substances, e.g. shaving soap, lipstick, make-up for samples
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/24Warming devices
    • A47J36/28Warming devices generating the heat by exothermic reactions, e.g. heat released by the contact of unslaked lime with water
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F2007/0268Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F2007/0268Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier
    • A61F2007/0276Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier with separate compartments connectable by rupturing a wall or membrane
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F7/03Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/10Cooling bags, e.g. ice-bags
    • A61F7/106Cooling bags, e.g. ice-bags self-cooling, e.g. using a chemical reaction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/14Details, e.g. provisions for hanging or shape retaining means; Accessories therefor, e.g. inlet or outlet ports, filters or caps
    • A61J1/16Holders for containers
    • A61J1/165Cooled holders, e.g. for medications, insulin, blood, plasma
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
    • F25D2500/00Problems to be solved
    • F25D2500/02Geometry problems

Abstract

The present invention relates to a mujlti-compartment pack for colling or heating products. The pack includes a first compartment with a solid matter or a liquid and a second compartment with a liquid wherein the first and second compartment are separated by a removable wall.

Description

  • This application claims priority to U.S. Provisional Application Serial No. 60/217,371, filed Jul. 11, 2000, entitled “MULTI-COMPARTMENT PACK FOR COOLING OR HEATING OF PRODUCTS”. This application also claims priority to German Patent Application No. 100 32 799.0, filed Jun. 28, 2000.[0001]
  • FIELD OF THE INVENTION
  • The present invention relates to a multi-compartment pack for cooling or heating of products, in particular cosmetic or pharmaceutical products. [0002]
  • BACKGROUND
  • Pack variants for heating or cooling, especially for use on the human body, have been known for a long time. In most cases, these packs comprise an interior compartment, normally containing water, and an exterior compartment, containing, for example, a salt. When pressure is exerted onto the interior compartment, its wall tears open, whereby the water which gets into contact with the salt causes, depending upon the type of salt, an exothermal or endothermal reaction. For example, EP 454912 describes a cooling pack in which the separated compartments contain an ammonium salt and urea, if necessary, in order to achieve a very good cooling effect. [0003]
  • U.S. Pat. No. 4,049,408 discloses a cooling pack for blood samples in which double-compartment containers containing ammonium nitrate in one compartment and water in the other compartment and being integrated in a wrappable cover are, after bringing together the two reacting components, wrapped around a cylindrical blood sample thus ensuring its cooling. [0004]
  • A hot pack to be applied on the human body is known from U.S. Pat. No. 4,057,047 in which water contained in an interior compartment having a perforation and water-free magnesium sulphate in a tightly sealed exterior compartment are brought into contact with each other. The exothermal reaction is used, for example, to warm up limbs of sportsmen in winter. [0005]
  • It is an objective of the present invention to provide a pack unit comprising several compartments which may be used to quickly and effectively heat or cool a product on the basis of a chemical reaction in the compartments with the pack unit being at the same time simple to handle and to manufacture. [0006]
  • The multi-compartment pack comprises a first compartment containing a solid matter or a liquid and an adjacent second compartment temporarily separated from said first compartment and containing a liquid, wherein, if the temporary separation of said compartments is eliminated, the substances in both compartments get into contact with each other and cause an endothermal or exothermal reaction, said pack being characterized according to the present invention in that at least one wall of the first compartment and one wall of the second compartment form at the same time a permanent whole contact area to a third compartment, which contains a product to cool or to heat; the first compartment and the second compartment are in contact with the third compartment solely via the contact area; the liquid present in both compartments after interrupting the separation at a sealing between the first compartment and the second compartment makes possible an interchange of heat by transfer via the whole contact area to the third compartment; and the third compartment comprises an opening easily to be opened from the outside from which the heated or cooled product can be taken out following the reaction between the substances contained in the first and second compartments. [0007]
  • SUMMARY
  • In the present invention, it is preferable that the contact area consists of a material inert towards the reaction partners and which has a good heat conductivity. Examples for a heat-conducting material are aluminum foil, that may be coated with a plastic material such as polyethylene, Saran, polypropylene, polyethylene terephthalate, polyester, polyvinyl acetate, polyvinyl chloride; copolymers of that polymers; and mixtures thereof. The polymers alone or as mixtures may also form the contact areas and the non-contact areas. [0008]
  • The contact area may be formed as a corrugated or wafer-like structure in order to achieve a further extension of its surface. [0009]
  • DETAILED DESCRIPTION
  • For the purpose of the present invention, the term “contact area” is meant to describe the area between each of the two compartments containing the heating or cooling substance and the liquid belonging to it, and the compartment containing the product that is to be heated or cooled. “Whole contact area” is the total area created by the sum of the contact areas of the first and the second compartment to the third compartment. [0010]
  • For the multi-compartment pack according to the present invention, known salts or other substances may be used to cause an endothermal or exothermal reaction. For an exothermal reaction, it is advantageous if the first chamber contains a dry substance being selected among calcium oxide, calcium chloride, zeolite Beta, zeolite faujasite X, zeolite faujasite Y, zeolite ZSM-5, mordenite, and mixtures thereof. Other zeolites of the structural classes A, chabasite, ERI (erionite), MEL (ZSM-11), MTT (ZSM-23), OFF (offretite) may be used as well provided that they are commercially available, aluminium-rich, and thus hydrophile. [0011]
  • Further materials may be used such as magnesium sulfate, sodium acetate, ferric chloride, calcium chloride, magnesium chloride, zinc chloride etc. which should be anhydrous. [0012]
  • For an endothermal reaction, the first compartment may contain a dry substance being selected among ammonium nitrate, urea, potassium chloride, stannic chloride, ammonium bromide, cobalt chloride, and mixtures thereof, all of them should be anhydrous. [0013]
  • The ratio between the agents involved in the reaction to achieve a suitable exothermal or endothermal reaction can be determined by a person skilled in the art. Preferably, this ratio ranges between 1:0.8 and 1.3 with relation to the weight of the reactants being a chemical reaction agent (salt):water. The weight ratio between the reactants and the product to be cooled or heated can also be determined by a person skilled in the art and defines the degree of temperature change within the product itself. The range temperature change to be achieved for the product is 1° C. 60° C. [0014]
  • Thus, it is possible for example in using the exothermal reaction to rise temperature by 15 to 30° C. due to the reaction with water and thus to warm up the contacted cosmetic or pharmaceutical product by 5 to 20° C. after a short waiting time of 0.1 to 3 minutes depending upon the dimensions of the contact area. [0015]
  • Following the contact with water, the reaction temperature can be lowered e.g. by 20 to 40° C., thus cooling down the contacted cosmetic or pharmaceutical product by 5 to 20° C. after a short waiting time of 0.1 to 3 minutes depending upon the dimensions of the contact area. [0016]
  • Preferably, water, particularly deionized water, is used as the liquid reaction component in the second compartment. Impurities in tap water may be detrimental to package stability and may affect reactions. [0017]
  • In a preferred embodiment of the invention all compartments are formed to be flat with the ratio between the respective side wall height of one compartment and its length or width being in the range of 1:20-300 and wherein the contact area between the third compartment and the first compartment or the first and second compartments respectively represents the largest basic area of a compartment. [0018]
  • In order to achieve a contact area as large as possible between the third compartment and the cooling or heating mixture generated by the reaction in the two other compartments, the dimension of the contact area of the third compartment in this embodiment is at least equal to the sum of the basic areas of the two other compartments. [0019]
  • Further, it is preferred in this embodiment that the third compartment contains an amount of liquid or pasty substance ranging between 0.05 and 1.5 g per cm[0020] 2 of the contact area.
  • A preferred embodiment of the multi-compartment pack according to the present invention is characterized in that the contact area is at the same time the separating wall between the first and the second compartments on the one hand and the third compartment on the other. [0021]
  • In the embodiment in which all compartments are formed flat, the basic areas of the compartments containing the solid matter and the liquid for heating or cooling are welded or glued to the basic area containing the product to be heated or cooled. [0022]
  • The “basic area” of a compartment is the largest area of the compartment defined by its dimensions. [0023]
  • The walls of the first compartment and the second compartment are rigid or flexible but preferably all walls are flexible. [0024]
  • Another embodiment of the multi-compartment pack in which all compartments are formed flat, is characterized in that a first compartment and a second compartment are arranged on each of the basic and the top area of the third compartment so that these two areas of the third compartments form at the same time contact areas with the two first compartments and the two second compartments. [0025]
  • Another embodiment of the multi-compartment pack in which all compartments are formed flat, is characterized in that the basic area of a third compartment is arranged on the basic areas of the first and the second compartment while an additional third compartment is arranged on the top areas of the first and the second compartment so that the basic and top areas of the first and the second compartment form at the same time contact areas with the two third compartments. [0026]
  • Further, it is preferred that the top areas of all compartments, i.e. those areas facing the outside instead of another compartment, are made of a thermally insulating material in order to enhance the cooling effect towards the contact area. Examples for a heat-insulating material are thin foamed foils, e.g. from polystyrene which are optionally reinforced with other plastics, such as films. While heat-insulating materials may be preferred, the use of thermal conducting materials may be required to facilitate production and/or reduce costs. [0027]
  • A further embodiment of the invention is a multi-compartment pack wherein at least a part of the first compartment and the second compartment is integrated within the third compartment. This embodiment is characterized e.g. by a spherical container from plastic, glass, metal such as aluminum, or aluminum alloys, which contains the material to cool or to heat. Inside the sphere is a cylinder for instance a metallic cylinder due to heat transfer, containing two chambers (compartments) that contains the chemical reactants. The top portion preferably should contain the water. The cylinder also contains a plunger that, when pressed, breaks the seal between the two chambers and mixes the reactants. The exothermic or endothermic reaction generated by the mixing of the reactants can be used to heat or cool the surrounding product contained in the sphere. The sphere will have a breakable seal to dispense the product. Other geometric shapes may be (but not limited to) cone, pyramid, octahedron, dodecahedron, tetrahedron, icosahedron, hexahedron (cube), etc. or irregular forms. [0028]
  • It is preferred in this embodiment with regular geometrical forms if the largest distance of the non-contact areas from the contact areas is in the range of 10 to 20 cm, more preferably 2-10 cm or less than 3 cm. [0029]
  • Compared with the prior art, the present invention has the special advantages in that for the first time it provides a practical and easily-to-manufacture pack unit capable of cooling or heating smaller and larger packages of a product in a rational way without any significant temperature losses and without external effort. Thus, the effectiveness of a product applied onto the skin can be improved significantly. [0030]
  • The multi-compartment pack according to the present invention may for instance be used for cooling cosmetic products which, shortly before their application, are brought into a properly cooled state, such as after sports cooling cologne, cooling cleansing solution/wipes, cooling eye pads, cooling neck pads, cooling foot treatment solutions, cool SPF lotions. They may as well be used to heat up products such as after bath sauna lotion or cream for the face, hands, and/or body, body oils, cosmetic face masks, massage creams, massage oils, shaving cream, shaving gel, etc. [0031]
  • Other multi-compartment packages could be produced of shapes and materials to numerous too quantify. The key aspect of this invention is that [0032]
  • chemical reactants can be combined as a result of various triggering mechanisms one such being applied physical pressure [0033]
  • the exothermic/endothermic reaction produced by the physical mixture of the reactants can be used to warm or cool e.g. cosmetic or pharmaceutical products prior to them being dispensed [0034]
  • the cooling or warming of specific product types, by a portable, small sized packaging system, will provide the consumer with products whose skin feel and/or performance are enhanced by the temperature at which they can now be delivered.[0035]
  • BRIEF DESCRIPTION OF THE FIGURES
  • The invention will hereinafter be further explained with a view to some examples. In the drawings attached, [0036]
  • FIG. 1 shows a side view of a multi-compartment pack according to the present invention; [0037]
  • FIG. 1[0038] a shows a detail within the circle with a dotted line with closed sealing;
  • FIG. 1[0039] b shows a detail within the circle with a dotted line with closed sealing;
  • FIG. 2 a planar view of the top area of the third compartment; [0040]
  • FIG. 3 a planar view of the top areas of the first and the second compartment; [0041]
  • FIG. 4 an embodiment of the present invention comprising two first and two second compartments (side view); [0042]
  • FIG. 5 an embodiment of the present invention comprising two third compartments (side view); [0043]
  • FIG. 6 an embodiment of the present invention with a spherical container for the product (sectional view).[0044]
  • With reference to FIGS. [0045] 1 to 3, the multi-compartment pack according to the present invention comprises a first compartment 1 containing a solid matter, for example calcium chloride, and an adjacent second compartment 2 containing water. Both compartments are temporarily separated from each other by a sealing 13 arranged between the compartments and able to be broken open for instance by the exertion of pressure. In order to open this sealing 13, it is required to exert a certain pressure, for instance by the fingers, onto the water in compartment 2. When the sealing 13 has been opened or partially opened, the calcium chloride and the water mix with each other which effect may be enhanced by exerting alternating pressure onto both compartments. Within a couple of seconds up to 1 minute, the temperature in both compartments rises by approx. 50° C. if both compartments contain about 5 g water and 5 g CaCl2, respectively.
  • With reference to the embodiment according to FIGS. [0046] 1-3 on the area opposite to the basic areas of the first and the second compartment, a third compartment 3 is arranged the basic area of which specified by length a and width b is at least equal to the sum of the basic areas of the two compartments 1 and 2 while the aforementioned basic areas are in contact with each other and form a common contact area.
  • All compartments in that embodiment are formed flatly, i.e. having a ratio between the respective side wall height (h) of a compartment to its length (a) or width (b) each ranging between 1:20-300, for instance a ratio of 1:100 or 1:50, i.e. at a given side wall height of 2 mm, the compartment may have a length of 200 mm and a width of, for example, 100 mm. Here, the contact area of the third compartment [0047] 3 with the first compartment 1 or the first and the second compartments 1, 2 represents the respectively largest basic area of a compartment.
  • The third compartment is provided with an opening [0048] 7 easily to be opened from the outside, from which the heated (or cooled) product can be taken out following the reaction of the substances contained in the first and the second compartments and optionally a short waiting time of 20 seconds to 3 minutes. The opening can be achieved along a provided tear-open breaking line 14 at which part of the compartment wall is broken open.
  • The basic area of the compartments with which these form the contact area may be made of a material other than that of the top areas of the compartments facing outward. It is preferred that the basic areas are made of a heat-conducting material while the top areas facing outward (e.g. in FIG. 4 the areas [0049] 9, 11, and 12) are made of a heat-insulating material.
  • In the embodiment of the present invention illustrated in FIG. 4, a first compartment [0050] 1 and a second compartment 2 are arranged on each of the basic area and the top area 9 of the third compartment 3, respectively, i.e. on both sides of compartment 3. Thus, these two areas of the third compartment form at the same time contact areas 5 with the two first compartments 1; 1′ and the two second compartments 2; 2′.
  • In the embodiment of the present invention illustrated in FIG. 5, a third compartment [0051] 3 is arranged with its basic area on the basic areas of the first and the second compartment while an additional third compartment 3′ is arranged on the top areas 11 and 12 of the first and the second compartments 1; 2. Thus, the basic and top areas of the first and the second compartments form at the same time contact areas 5 with the two third compartments.
  • In a further embodiment of the multi-chamber packaging according to the invention are at least a part of the first compartment and the second compartment integrated in the third compartment. [0052]
  • In the embodiment according to FIG. 6, the chambers [0053] 1 and 2 are arranged in a cylindrical manner one beneath the other while being surrounded by chamber 3. A plunger 15 for external actuation which projects into chamber 2 is able to break the seal 13 separating chambers 1 and 2 thus causing the contents of the two chambers to become mixed. The product heated or cooled due to the temperature change and exchanged by the contact area 5 is taken out from chamber 3 through the opening 7.

Claims (13)

    What is claimed is:
  1. 1. A multi-compartment pack for cooling or heating of products, comprising:
    a first compartment;
    a solid matter or a liquid positioned within the first compartment; and
    an adjacent second compartment separated from the first compartment by a removable wall wherein a liquid is positioned within the second compartment, and upon eliminating the temporary separation of the compartments and following the contact of the substances contained therein with each other, the substances in both compartments cause an endothermal or exothermal reaction, the multi-compartment pack, comprising:
    at least wall (17) of the first compartment (1) and a wall (18) of the second compartment (2) form at the same time a whole contact area (5) with a third compartment (3) which contains a product to cool or to heat;
    the first compartment (1) and the second compartment (2) are in contact with the third chamber (3) solely via the whole contact area (5);
    the liquid present in both compartments (1;2) after interrupting the separation at (13 a) between the first compartment (1) and the second compartment (2) makes possible an interchange of heat by transfer via the whole contact area (5) to the third compartment (3);
    and a third chamber is provided with an opening easily to be opened from the outside, from which the heated or cooled product can be taken out.
  2. 2. A multi-compartment pack according to claim 1, wherein the whole contact area (5) is made of a heat conductive material inert towards the reaction partners.
  3. 3. A multi-compartment pack according to claim 1, wherein the first compartment (1) contains a dry substance being selected among calcium oxide, calcium chloride, zeolite BEA, zeolite faujasite X, zeolite faujasite Y, zeolite ZSM-5, and mixtures thereof.
  4. 4. A multi-compartment pack according to claim 1, wherein the first compartment (1) contains a dry substance being selected among ammonium nitrate, urea, potassium chloride, zinc chloride, and mixtures thereof.
  5. 5. A multi-compartment pack according to claim 1, wherein the second compartment (2) contains a liquid, in particular deionized water.
  6. 6. A multi-compartment pack according to claim 1, wherein the wall (17) of the first compartment (1) and the wall (18) of the second compartment (2) are at the same time at least a part of the wall (19) of the third compartment (3).
  7. 7. A multi-compartment pack according to claim 1, wherein the non-contact areas of all compartments are made of a heat-insulating material.
  8. 8. A multi-compartment pack according to claim 1, wherein all compartments are formed flatly, having a ratio between the respective side wall height (h) of a compartment to its length (a) or width (b) each ranging between 1:20-300 while the contact area of the third compartment with the first compartment or the first and the second compartments represents the respectively largest basic area of a compartment.
  9. 9. A multi-compartment pack according to claim 1, wherein a first compartment (1; 1′) and a second compartment (2; 2′), respectively, are arranged on each of the wall (19) and the top area (9) of the third compartment (3) so that the wall (19) and the top area (9) of the third compartment (3) form at the same time contact areas with the two first compartments (1;1′) and the two second compartments (2;2′).
  10. 10. A multi-compartment pack according to claim 1, wherein the wall (19) of a third compartment (3) is arranged on the walls (17; 18) of the first and the second compartments (1; 2) while an additional third compartment (3′) is arranged on the top areas (11; 12) and of the first and the second compartments (1; 2) so that the walls (17; 18) and the top areas (11; 12) of the first and the second compartments (1;2) form at the same time contact areas with the two third compartments (3; 3′).
  11. 11. A multi-compartment pack according to any of claims 1 to 10, wherein all walls of the first compartment and the second compartment are flexible.
  12. 12. A multi-compartment pack according to any of claims 1 to 11, wherein the product to cool or to heat is a liquid, cream, gel or pasty cosmetic or pharmaceutical.
  13. 13. A multi-compartment pack according to claim 1, wherein the ratio by weight between the reactants of the first compartment to the reactants of the second compartment is in the range of 1:0.8-1.3.
US09880703 2000-06-28 2001-06-13 Multi-compartment pack for cooling or heating of products Abandoned US20020020407A1 (en)

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DE2000132799 DE10032799B4 (en) 2000-06-28 2000-06-28 Multiple compartment package for cooling or heating of products
DE10032799.0 2000-06-28
US21737100 true 2000-07-11 2000-07-11
US09880703 US20020020407A1 (en) 2000-06-28 2001-06-13 Multi-compartment pack for cooling or heating of products

Applications Claiming Priority (3)

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US09880703 US20020020407A1 (en) 2000-06-28 2001-06-13 Multi-compartment pack for cooling or heating of products
US10830260 US7021064B2 (en) 2000-06-28 2004-04-22 Multi-compartment pack for cooling or heating of products
US11275778 US20060191272A1 (en) 2000-06-28 2006-01-27 Multi-c0mpartment pack for cooling or heating of products

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US10830260 Division US7021064B2 (en) 2000-06-28 2004-04-22 Multi-compartment pack for cooling or heating of products

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US20020020407A1 true true US20020020407A1 (en) 2002-02-21

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US09880703 Abandoned US20020020407A1 (en) 2000-06-28 2001-06-13 Multi-compartment pack for cooling or heating of products
US10830260 Expired - Fee Related US7021064B2 (en) 2000-06-28 2004-04-22 Multi-compartment pack for cooling or heating of products
US11275778 Abandoned US20060191272A1 (en) 2000-06-28 2006-01-27 Multi-c0mpartment pack for cooling or heating of products

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US10830260 Expired - Fee Related US7021064B2 (en) 2000-06-28 2004-04-22 Multi-compartment pack for cooling or heating of products
US11275778 Abandoned US20060191272A1 (en) 2000-06-28 2006-01-27 Multi-c0mpartment pack for cooling or heating of products

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Country Link
US (3) US20020020407A1 (en)
DE (1) DE10032799B4 (en)
WO (1) WO2002001129A1 (en)

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US20070278235A1 (en) * 2006-06-01 2007-12-06 Hickey Charles P Wipe heating system
US20100089381A1 (en) * 2006-10-25 2010-04-15 Tempra Technology, Inc. Portable flameless heat pack
US20080248162A1 (en) * 2007-03-27 2008-10-09 Cryovac, Inc. On-demand meat tenderizing package
US20100062130A1 (en) * 2008-09-10 2010-03-11 Cryovac, Inc. Package assembly for on-demand marination and method for providing the same
US7993692B2 (en) 2008-09-10 2011-08-09 Cryovac, Inc. Package assembly for on-demand marination and method for providing the same
US20100208546A1 (en) * 2009-02-19 2010-08-19 Jere Ferguson Activation device
US20140230127A1 (en) * 2013-02-15 2014-08-21 Edwin Cruz Hand Warming Device And Associated Methods
JP2016530929A (en) * 2013-08-06 2016-10-06 フレセニウス メディカル ケア ホールディングス インコーポレーテッド Self-heating type peritoneal dialysis solution bag
WO2015195369A1 (en) * 2014-06-19 2015-12-23 Elc Management Llc Heating system for a cosmetic mask
US20160091240A1 (en) * 2015-09-29 2016-03-31 Eugene L. Benfatti Personal Cooling Device
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Also Published As

Publication number Publication date Type
US20060191272A1 (en) 2006-08-31 application
US20040194472A1 (en) 2004-10-07 application
WO2002001129A1 (en) 2002-01-03 application
DE10032799A1 (en) 2002-01-17 application
US7021064B2 (en) 2006-04-04 grant
DE10032799B4 (en) 2005-09-22 grant

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