WO2006018456A1 - Produit refrigerant pour sacs isothermes - Google Patents

Produit refrigerant pour sacs isothermes Download PDF

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Publication number
WO2006018456A1
WO2006018456A1 PCT/ES2005/000375 ES2005000375W WO2006018456A1 WO 2006018456 A1 WO2006018456 A1 WO 2006018456A1 ES 2005000375 W ES2005000375 W ES 2005000375W WO 2006018456 A1 WO2006018456 A1 WO 2006018456A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
product
endothermic
bags
isothermal
Prior art date
Application number
PCT/ES2005/000375
Other languages
English (en)
Spanish (es)
Inventor
Francisco Javier Lazaro Ferre
Original Assignee
Bertin, Catherine
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 Bertin, Catherine filed Critical Bertin, Catherine
Publication of WO2006018456A1 publication Critical patent/WO2006018456A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D81/00—Containers, 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
    • B65D81/38—Containers, 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 with thermal insulation
    • B65D81/3888—Containers, 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 with thermal insulation wrappers or flexible containers, e.g. pouches, bags
    • B65D81/3895—Containers, 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 with thermal insulation wrappers or flexible containers, e.g. pouches, bags provided with liquid material between double walls
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-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
    • C09K5/16—Materials undergoing chemical reactions when used

Definitions

  • the present invention is part of the thermal packaging sector for the transport of products, more specifically for the food sector.
  • thermos such as thermos, camping type refrigerators, use accumulators, one model for positive cold and other models for negative cold and whose duration of cold time, is not very large, for a number of physical reasons , which are resolved by means of the present invention.
  • SUBSTITUTE SHEET (RULE 26) cited more than the bag has a zipper closure and has handles for easy handling and transport.
  • Mr. Jose Lu ⁇ s Falaguera Garc ⁇ a made a cooler thermo-cooling utility model 1034390 presents one, of the type that defines a compartment occupied by a liquid or thermal fluid, characterized in that it is constituted by a double wall (1-2 ) of plastic or similar, with welds to form cells preferably communicated with each other, between whose walls the chamber that is occupied by thermal fluid is formed, while the outer layer (2) is coated, with a layer of insulating material ( 4), such as polyurethane foam or the like.
  • a layer of insulating material 4
  • Thermo-cooled bag according to claim 1 characterized in that the layer of insulating material (4) is wrapped by a plastic film (5) that defines the exposed face of the bag. 3.
  • Thermo-cooled bag according to claim 1 characterized in that the outer plastic film (5) of the bag is provided with a metallized outer film when the bag is used to cool the contained product. 4.
  • Thermo-cooling bag according to previous claims, characterized in that the cooling fluid permeates a cellulosic product to give the bag more flexibility.
  • Thermo-cooling bag according to previous claims, characterized in that the bag, being heated in a microwave oven where only the temperature of the fluid rises without affecting the different plastic layers, has an outer layer (5) that It does not have metallized film.
  • Thermo-cooling bag according to claim 1 characterized in that the fluid chamber (3) is defined between two polyethylene films or the like (1, 2), joined by welding forming separate rooms (9), whose chambers (3) or not communicate with each other, being regularly distributed on the external surface.
  • the mentioned utility models consist of isothermal bags that contain a liquid or gel and that are susceptible to freezing or heating, as needed.
  • SUBSTITUTE SHEET (RULE 26) the liquid is composed of only water can not reach a freezing temperature below -5 0 C, ice blocks will be formed, with edges that can break the bag, and as the norm for the conservation of ice cream is of -15 ° C, it is obsolete for the mentioned products.
  • isothermal bags for the transport of food offer at least a duration of cold, which approaches at least 3 hours, controlling a temperature between -2O 0 C to -1O 0 C and the same duration of 3 hours for fresh produce from +2 0 C to +6 0 C.
  • the present invention focuses on creating an endothermic product for freezer isothermal bags for purchases, which allows maximum duration, to be able to transport food products from the supermarket to their homes, with adequate temperature control and guarantee, to comply with the temperature control regulations for feeding.
  • the duration of cold in the bag can exceed 8 hours, by way of comparative example, with an isothermal bag on the market, which can be easily found in summer an ambient temperature of +30 0 C, and a freezer isothermal bag of the present invention, at only a freezing temperature of -25 0 C, it turns out that there is a huge difference of +30 0 C + (-25 0 C) is the same at -55 ° C difference, without introducing any frozen product inside, at 4 hours, the difference is +30 0 C + (- 15 ° C) equal to (-45 "C), without having put any frozen product inside, of course, the more frozen products are introduced inside the bag, the longer the cold temperature is inside the frozen isothermal bag with the endothermic product of the present invention.
  • the present invention relates to a new, Endothermic Product for Freezer Isothermal Bags between -O 0 C and -8O 0 C and is characterized in that chemical products are introduced, which consist of a polymer, composed of cross-linked sodium polyacrylate, which It is the function of a super absorbent of liquids, making the liquids disappear completely, becoming a kind of particles, this absorbent reaction makes, in the event that there is a pore in the bag or breakage, the fluid or liquids do not go outside For this reason, the bag never drips or dirty or contaminates food products.
  • chemical products consist of a polymer, composed of cross-linked sodium polyacrylate, which It is the function of a super absorbent of liquids, making the liquids disappear completely, becoming a kind of particles, this absorbent reaction makes, in the event that there is a pore in the bag or breakage, the fluid or liquids do not go outside For this reason, the bag never drips or dirty or contaminates food products.
  • Another characteristic of the Endothermic Product for Freezer Isothermal Bags between -0 0 C and -80 ° C for purchases characterized in that another liquid refrigerant product is added, called propylene glycol, product suitable for feeding, in a sufficient percentage, for example 60% so that when mixed with drinking water it produces an endothermic effect, being able to obtain a freezing temperature of -8O 0 C and even more if required, increasing the percentage of propylene glycol, this product being compatible with the polymer, crosslinked sodium polyacrylate, causing that the chemical reaction of absorption of the two liquids water and propylene glycol can be carried out, avoiding that in case of breakage or pores of the bag the food products are not mixed or soiled during transport.
  • Another characteristic of the Endothermic Product for Freezer Isothermal Bags between -O 0 C and -80 0 C is that the mixture composed of cross-linked sodium polyacrylate, propylene glycol and water, in an appropriate percentage causes the liquid to never freeze, and prevents it from becoming a solid state, which would make an appearance of the unpleasant frozen isothermal bag to the naked eye, make it difficult to introduce frozen products inside the bag, since ice blocks would have formed, which when forming edges can break the bag.
  • a direct ink of the thermal chromatic type can be printed on the bag, which changes color according to the temperatures in which it is exposed, and through a range of colors you can know at what temperature is inside the bag, providing users with a thermal visual control, thermometer type.
  • Fig. 1 shows a front, schematic, elevational view of the different elements of the Endothermic Product for Freezer Isothermal Bags between -O 0 C and -6O 0 C, comprising an outer bag (1), another bag (2) that is inside, which contains a zipper or loop closure, between both bags an insulated sheet (3) of foamed polyethylene is inserted, with a thickness between 2 and 4 millimeters, one on each side of the bag , according to needs, one or more bags (4) containing the endothermic product (5), object of the invention, composed of sodium polyacrylate, crosslinked, propylene glycol and drinking water, are introduced inside both bags and the insulator in an optimal percentage, according to needs, to achieve between -0 0 C to -30 0 C, welding (6) is carried out by thermal heat, which holds the inner bag (2) with the outer bag (1) and closes the bag (4) containing the endothermic product (5) , so that it does not come out or can be manipulated and plastic handles (7) are placed, by means
  • thermal chromatic type which changes color when in contact, according to the temperatures in which it is exposed, and a range (9) of colors are also printed, which allows to know at what temperature, the inside of the bag is, facilitating Users, a thermal visual control, thermometer type.
  • Fig. 2 shows a side of the bag (4) or bags with endothermic product (5) object of the invention.
  • Fig. 3 shows a front bag with Endothermic Product for Freezer Isothermal Bags between -0 0 C and -6O 0 C, comprising an outer bag (1), another bag (2) that is inside, which It contains a zipper or loop closure, between both bags an insulated sheet (3) of foamed polyethylene, between 2 and 4 millimeters thick is introduced, one side of the bag, according to needs, is inserted inside between both bags and the insulator, the endothermic product (5), obsolete of the present invention, in bulk, composed of sodium polyvinyl acrylate, crosslinked, propylene glycol and drinking water, in an optimal percentage, according to
  • SUBSTITUTE SHEET (RULE 26) needs, to achieve between - 0 0 C to -30 0 C, welding (6) is carried out by thermal heat, which holds the inner bag (2) with the outer bag (1) and closes the bag containing the endothermic product , so that it does not come out or can be manipulated and plastic handles (7) are placed, by means of thermal welding, to facilitate its transport, a direct ink (8) is printed on the sides of the outer bag (1).
  • thermal chromatic type which changes color when in contact, according to the temperatures in which it is exposed, and boxes are also printed with a range (9) of colors, which allows to know at what temperature, is the inside of the bag , providing users with a thermal visual control, thermometer type.
  • FIG. 3 shows a front bag with Endothermic Product (5) for Freezer Isothermal Bags, comprising two outer bags (1), and another bag (2) that is inside, which contains a zipper or loop closure, between both bags an insulated sheet (3) of foamed polyethylene, 4 millimeters thick, one on each side of the bag, is introduced inside, between both bags and the insulator, the endothermic product (5), object of the present invention, in bulk, composed of cross-linked sodium polyacrylate, propylene glycol and drinking water, in an optimal percentage, according to needs, to achieve between -0 0 C to -30 0 C, welding (6) is carried out by thermal heat, which holds the inner bag (2) with the outer bag (1) and closes the bag with the content of the endothermic product (5) , so that it does not come out or be manipulated ar and plastic handles (7) are placed, by thermal welding, to facilitate its transport, a direct in

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un produit réfrigérant pour sacs isothermes composés de polyacryle de sodium réticulé comme polymère superabsorbant de liquides, de propylène glycol comme réducteur du point de congélation et d'eau potable. Se produit est introduit dans un récipient qui se situe à proximité d'une couche isolante de polyéthylène, entre les deux couches qui forment un sac d'achat et accomplit la double mission de maintenir la chaîne du froid durant le transport de produits congelés et frais du point devant au domicile et d'éviter la sortie de liquides en cas de rupture du sac.
PCT/ES2005/000375 2004-07-19 2005-06-30 Produit refrigerant pour sacs isothermes WO2006018456A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200401824 2004-07-19
ESP200401824 2004-07-19

Publications (1)

Publication Number Publication Date
WO2006018456A1 true WO2006018456A1 (fr) 2006-02-23

Family

ID=35907238

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2005/000375 WO2006018456A1 (fr) 2004-07-19 2005-06-30 Produit refrigerant pour sacs isothermes

Country Status (1)

Country Link
WO (1) WO2006018456A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2465670A (en) * 2008-11-26 2010-06-02 Solent Internat Ltd Receptacle for carrying shopping
GB2508340A (en) * 2012-11-23 2014-06-04 Jullian Joshua Preston-Powers An endothermic drinks pack
ES2578062A1 (es) * 2015-01-19 2016-07-20 Instituto Bernabeu, S.L. Uso de propilenglicol para mantener la temperatura de un estuche portátil
ES2651152A1 (es) * 2017-04-06 2018-01-24 Francisco Javier LAZARO FERRE Bolsa isotérmica rellenable y congelable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940356A (en) * 1974-11-29 1976-02-24 Union Carbide Corporation Ice release agents consisting of pseudo-plastic compositions of crosslinked polyacrylic acid in water-polyglycol mixture
JPH04239091A (ja) * 1991-01-09 1992-08-26 Nichiyu Giken Kogyo Kk 保冷パック
FR2719599A1 (fr) * 1994-05-06 1995-11-10 Zincone Anne Composition réfrigérante granulaire à base d'une matrice polymère discontinue chargée d'eau, dispositif de réfrigération la comprenant et procédé pour leur préparation.
FR2826107A1 (fr) * 2001-06-19 2002-12-20 M D I C Article refrigerant notamment pour une application en cryotherapie ou pour la conservation d'aliments

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940356A (en) * 1974-11-29 1976-02-24 Union Carbide Corporation Ice release agents consisting of pseudo-plastic compositions of crosslinked polyacrylic acid in water-polyglycol mixture
JPH04239091A (ja) * 1991-01-09 1992-08-26 Nichiyu Giken Kogyo Kk 保冷パック
FR2719599A1 (fr) * 1994-05-06 1995-11-10 Zincone Anne Composition réfrigérante granulaire à base d'une matrice polymère discontinue chargée d'eau, dispositif de réfrigération la comprenant et procédé pour leur préparation.
FR2826107A1 (fr) * 2001-06-19 2002-12-20 M D I C Article refrigerant notamment pour une application en cryotherapie ou pour la conservation d'aliments

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2465670A (en) * 2008-11-26 2010-06-02 Solent Internat Ltd Receptacle for carrying shopping
GB2508340A (en) * 2012-11-23 2014-06-04 Jullian Joshua Preston-Powers An endothermic drinks pack
ES2578062A1 (es) * 2015-01-19 2016-07-20 Instituto Bernabeu, S.L. Uso de propilenglicol para mantener la temperatura de un estuche portátil
ES2651152A1 (es) * 2017-04-06 2018-01-24 Francisco Javier LAZARO FERRE Bolsa isotérmica rellenable y congelable
WO2018185356A1 (fr) 2017-04-06 2018-10-11 Bertin, Catherine Sac isotherme pouvant être rempli et congelé et procédé d'obtention de celui-ci
CN110785360A (zh) * 2017-04-06 2020-02-11 C·贝尔坦 可再填充和可冷冻的恒温袋及其获得方法
US10899533B2 (en) 2017-04-06 2021-01-26 Francisco Javier Lazaro Bertin Refillable and freezable isothermal bag and method for obtaining the same

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