WO2014206941A1 - Thermally insulating wrapper with hollow wall(s) provided with at least one material made from an isothermal insulating material and method for manufacturing same - Google Patents

Thermally insulating wrapper with hollow wall(s) provided with at least one material made from an isothermal insulating material and method for manufacturing same Download PDF

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Publication number
WO2014206941A1
WO2014206941A1 PCT/EP2014/063182 EP2014063182W WO2014206941A1 WO 2014206941 A1 WO2014206941 A1 WO 2014206941A1 EP 2014063182 W EP2014063182 W EP 2014063182W WO 2014206941 A1 WO2014206941 A1 WO 2014206941A1
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WO
WIPO (PCT)
Prior art keywords
insulating
cork
isothermal
sheet
container
Prior art date
Application number
PCT/EP2014/063182
Other languages
French (fr)
Inventor
Alexandre NARINX
Original Assignee
Good Deal For You Concept Sprl
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
Priority claimed from BE2013/0439A external-priority patent/BE1022171B1/en
Priority claimed from BE2014/0278A external-priority patent/BE1022570B1/en
Application filed by Good Deal For You Concept Sprl filed Critical Good Deal For You Concept Sprl
Publication of WO2014206941A1 publication Critical patent/WO2014206941A1/en

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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
    • B65D13/00—Containers having bodies formed by interconnecting two or more rigid, or substantially rigid, components made wholly or mainly of the same material, other than metal, plastics, wood, or substitutes therefor
    • 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
    • B65D81/3813—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 rigid container being in the form of a box, tray or like container
    • B65D81/3818—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 rigid container being in the form of a box, tray or like container formed with double walls, i.e. hollow

Definitions

  • the field of the invention is that of thermally insulating packaging hollow wall (s) based on insulated natural insulating material of cellular or cork structure, their method of obtaining and their use. More specifically, the invention relates to a thermally insulating package comprising at least one hollow side wall provided with at least one opening on the inner face of said wall constituting at least one inner face of the package based on at least one material. isothermal natural honeycomb structure or cork, said isothermal packaging being intended for all types of thermally sensitive products (P. ST.) in solid, liquid or gaseous form such as, for example, fresh or frozen foodstuffs, cosmetics, drugs, vaccines, living organisms, etc., requiring transport under controlled temperature in a defined space-time.
  • thermally sensitive products P. ST.
  • Isothermal or thermal insulation materials are materials characterized by a low thermal conductivity that can isolate, to a certain extent, the surrounding environment. They are used to reduce thermal exchanges between two different temperature environments and thus avoid the establishment of a thermal equilibrium between the two environments. According to the French standard RT201 2, a material is considered as thermal insulation if its thermal conductivity is less than 0.065 W / m.K for a temperature of 20 ° C. Said isothermal or thermal insulating materials are generally in the form of a solid matrix in which is imprisoned a dispersion of static gas pockets, this immobilization having the object of making impossible the thermal convection phenomena.
  • the materials constituting the solid matrix used in the field of manufacturing thermally insulating packaging use on the one hand metal materials, minerals and on the other hand to composite and / or synthetic materials.
  • the latter being for the most part derivatives of petroleum refining such as selected from the group consisting of polyvinyl chloride, expanded polypropylene (EPP), extruded expanded polyethylene (PEE), polyurethane (PU), extruded expanded polyethylene foam, polyurethane foam, neoprene, etc.
  • thermally insulating packages based on said composite and / or synthetic metal materials are for the most part not approved for food contact.
  • most of the composite and / or synthetic materials derived from petroleum refining have low fire and / or impact resistance, low mechanical strength, or the combustion of some of them. gives off highly toxic gases.
  • thermally insulating packaging dedicated to the transport of thermally sensitive products require, for some of these products, the use of refrigerated vehicles which leads to an environmental impact which is all the more important because of the higher fuel consumption. of these.
  • Document FR 31 8983 describes a thermally insulating package comprising a side wall consisting of a first expanded polystyrene sheet on which a second cork sheet is directly adhered with a plastic glue, said side wall being free of gas blade between the two leaves. Because of the use of polystyrene, such a coating has an inability to produce a hollow wall due to the low impact resistance of said polystyrene, a deplorable environmental impact and low biodegradability.
  • the document CH 1 47246 discloses a thermally insulating cork package comprising a plurality of hollow sidewalls.
  • said packaging requires during its implementation the use of a great deal of cork material with respect to the internal volume available to receive the products to be transported and / or stored.
  • said packaging does not have a system of temperature control and does not allow any adaptation of the hollow portion of said hollow side walls to the dimensions of the heating or cooling elements that could be inserted therein.
  • the invention particularly aims to overcome these disadvantages of the prior art.
  • An object of the invention is to provide a new type of thermally insulating packaging allowing a good transmission of heat emanating from a heating element or cold emanating from a cooling element to the products preserved in said packaging, while avoiding a direct contact between said heating elements or refrigerant and the preserved products, on the one hand, and on the other hand allowing a good conservation of the temperature within said packaging.
  • an objective of the invention in at least one of its embodiments, is to provide a thermally insulating packaging, which has an exemplary environmental impact, which can be used in the context of a direct food contact, which chemically neutral, which is biodegradable, recyclable and reusable, which has improved thermal insulation properties and requires the use of a lesser amount of natural material or cork and / or a smaller amount of cold accumulator ( eutectic gels or dry ice for example) or hot; this allows to play between the material used, the number of accumulator and the available space.
  • said packaging must make it possible to avoid the use of a refrigerated vehicle for most of the goods transported in order to minimize the environmental impact related to said transport and to make it possible to use standard DHL, UPS, ...
  • the invention in at least one of its embodiments, is to implement a process for obtaining the simplest and most versatile of said thermally insulating packaging.
  • the invention relates to a thermally insulating package comprising a lid or cap and a container, said container comprising at least a first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork and a base.
  • such a first hollow side wall comprises at least a first sheet based on at least one isothermal insulating natural material of honeycomb or cork structure provided with opening (s) on at least a portion of the face constituting the at least a part of the interior of the container, a gas strip, a second sheet based on at least one isothermal insulating natural material of cellular or cork structure and one or the first means for securing said sheets, the said (s) first means being based on at least one isothermal insulating material, preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, and being located on the periphery of said sheets with base of at least one isothermal insulating natural material of honeycomb or cork structure and / or one or second external securing means to said container, said at least one first hollow wall comprising at least a cooling or heating element, said cooling or heating element being inserted into the at least one first hollow side wall.
  • the general principle of the invention is therefore based on the introduction of a cooling or heating element within the gas strip of the at least one first hollow side wall.
  • the opening or the openings made within the first sheet thus make it possible to ensure full functional performance while maintaining a certain temperature within the hollow wall, but also to regulate a return of the coldness of the cooling element or the heat of the the heating element towards the inside of the container of the thermally insulating packaging through said first sheet, said restitution being able to result in a directed temperature equal to or different from that maintained in the hollow wall and that in a homogeneous manner according to the arrangement of the openings.
  • the thermally insulating packaging according to the invention thus makes it possible to avoid direct contact between the cooling or heating element with the product (s) conserved and / or transported in said packaging.
  • the invention is based on an entirely new approach and inventive, the inventors having determined that surprisingly the use of a first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork, comprising at least a first sheet provided with opening (s) provides said thermal insulation package with thermal insulation properties while avoiding direct contact between the cooling or heating element and the products preserved.
  • first hollow side wall based on at least one isothermal insulating natural material honeycomb structure or cork allows to have a thermally insulating packaging with low environmental impact, said packaging being biodegradable, reusable and chemically neutral.
  • the coupling of the gas blade with the great flexibility of the isothermal natural material of honeycomb structure or cork promotes shock absorption.
  • the flexibility of the thermally insulating packaging according to the invention thus makes it possible to avoid the use of spacer type stiffening means within the first hollow side wall, with respect to a first hollow side wall of the same size based on synthetic material.
  • packing is meant a container of different geometric shapes possible and designed to contain a product within a defined period of time.
  • isothermal natural material with honeycomb structure or cork an organic material of plant origin composed of cells in the form of microalveoles, pentagonal or hexagonal, whose height does not exceed 40 to 50 microns, the smaller cells measuring only 20 or even 10 micrometers, said cells being filled with a gaseous mixture at 95% similar to the gases comprising the air.
  • the natural material with honeycomb structure is cork in expanded form (cork having been heated at high temperature and inflated with air), natural (raw cork having undergone no treatment, except scalding) or agglomerated (made cork from cork granules and / or cork dust to which a binder is added, said binder can be natural or synthetic, preferably a binder suitable for direct food contact and respecting health and public hygiene such as glue polyurethane food for example or any non-toxic natural resin such as suberin for example.
  • a binder suitable for direct food contact and respecting health and public hygiene such as glue polyurethane food for example or any non-toxic natural resin such as suberin for example.
  • glue polyurethane food for example
  • any non-toxic natural resin such as suberin for example.
  • the terms "based on isothermal insulating natural material of alveolar structure or cork” mean respectively designate that the at least one first hollow side wall of the thermally insulating package according to the invention consists of at least 90 % by weight of at least one isothermal insulating natural material of honeycomb or cork structure, preferably at least 95% by weight in at least one isothermal insulating natural material of cellular or cork structure, more preferably in at least 99% by weight, at least insulating natural insulating material of alveolar structure or cork.
  • the thermally insulating packaging is based on insulating natural insulating material of honeycomb structure or cork.
  • cooling element means for absorbing heat.
  • refrigerating elements are used for example to refrigerate food, medicine or other products during their transfer or transport. It also serves to dissipate the thermal energy exchanged between the inside and the outside of a package over a defined period of time.
  • refrigerant elements briquettes, dedicated to be reused
  • other flexible pouches or closed bags, usually disposable.
  • Such a cooling element may for example typically contain a gelling salt which mixed with water, after freezing of said cooling element, to restore negative cold - 1 7 ° C to -1 ° C and positive cold, temperature> to 0 ° C after a pre-conditioning phase.
  • the refrigerating elements are used to deliver cold from + 15 ° C to -17 ° C.
  • heating element also known as heat accumulators, is meant means for releasing heat. It serves for example to store food or other products above ambient temperature when transferring or transporting them.
  • first and second sheets of the at least one first hollow side wall have dimensions (length, width, radius of curvature) which may be different but preferably identical
  • opening (s) holes, slots and / or apertures perforated through the first sheet, the size and / or the number of opening (s) can be optimized according to the desired temperature and shelf life.
  • gas blade is meant the space or voids between the first and second sheets.
  • first securing means is intended to denote mechanical type of fastening means such as groove, rabbet, mortise, tenon, blind hole, ankle, etc. and / or chemical such as glues, sealants and adhesives .
  • mechanical type of fastening means such as groove, rabbet, mortise, tenon, blind hole, ankle, etc. and / or chemical such as glues, sealants and adhesives .
  • it is intended to designate means of soil idarization of mechanical type such as a groove, said grooves being preferentially hollowed within the side walls constituting the container which are perpendicular to said first sheet based on at least one natural insulating material isothermal structure honeycomb or cork, or chemical such as ad hesifs or double-sided stickers.
  • said means being situated at the periphery of said sheets of insulating insulating material
  • the securing means are situated on or at a short distance from the edges of the sheets on the full-face side or on the edge of said sheets.
  • the term “short distance” is intended to denote a distance expressed as an absolute value with respect to the edges or the edge of said sheets of at least 0 mm.
  • one or second means of securing externally to said container is meant more particularly to designate an outer structure of the type of cardboard whose dimensions of the internal volume are equal to or slightly greater than the dimensions of the external volume of the container provided with from its lid. Such a second means makes it possible to obtain a thermally insulating packaging that can be dismounted and remounted as desired and thus to gain some ume volume during its empty transport.
  • the thermally insulating packaging according to the invention is such that the at least one first hollow side wall comprises a gas blade adaptable in thickness to the dimensions of the cooling or heating element contained therein.
  • a first hollow side wall can store a plurality of cooling or heating elements.
  • the first securing means used to fix the at least one first sheet based on at least one isothermal insulating natural material of honeycomb or cork structure provided with opening (s) constituting part of the hollow side wall are grooves.
  • Said grooves are formed on the inner faces of the walls constituting the inside of the container, said faces being opposite, said at least first sheet being inserted perpendicularly between said walls by sliding within the corresponding grooves.
  • the internal faces of the walls are provided with a plurality of grooves.
  • Such a multiplicity of grooves makes it possible to obtain in a simple manner a greater choice of gas blade thickness.
  • This also has the advantage of being able to easily adapt the width of the gas strip to the different possible thicknesses of the cooling or heating elements.
  • the inventors have discovered that, surprisingly, such a flexibility of gas blade width can be combined with the dimensions of the opening or openings present in the at least one first sheet based on at least one natural insulating material. isothermal honeycomb or cork mu nie aperture (s) constituting a portion of the hollow side wall to obtain a regulation of cold or hot generated by the refrigerant or heating element inserted in said gas blade.
  • the thermally insulating packaging according to the invention is such that the at least one first hollow side wall based on at least one isothermal insulating natural material of honeycomb or cork structure, contains only 'a single gas blade.
  • such a package makes it possible to minimize the quantity of material used for producing said package but also to obtain thinner walls by virtue of the mechanical properties of this material.
  • the thermally insulating packaging according to the invention is such that the first sheet is based on at least one isothermal natural material of alveolar or cork structure, said first sheet having a thickness of at least 2 mm and not more than 25 mm, the gas strip to a thickness of at least 1 mm and not more than 60 mm, and the second sheet based on at least one insulating natural insulating material of alveolar or cork structure has a thickness of at least 10 mm, preferably at a thickness of at least 20 mm, more preferably at a thickness of at least 30 mm.
  • the first sheet has a thickness equal to 5 mm
  • the gas strip has a thickness of between 30 to 40 mm
  • the second sheet has a thickness equal to 15 mm. mm.
  • said hollow side wall has a total thickness of at least 50 mm and at most 60 mm.
  • the inventors have observed that, surprisingly, it is possible to optimize the thicknesses of the sheets based on at least one isothermal insulating natural material of alveolar or cork structure constituting the lateral wall on the basis of the density of said sheets.
  • the thermally insulating packaging according to the invention is such that the surface of the gas strip of the at least one first hollow side wall based on at least one isothermal insulating natural material of alveolar structure or cork is at least 90%, preferably at least 95%, more preferably at least 99%, of the surface of the at least one first sheet and / or the at least one second corresponding sheet (s).
  • a first hollow side wall said first hollow side wall being hollow over most of its length, over almost its entire width and not over a small part of it.
  • the thermally insulating packaging according to the invention is such that it comprises two first hollow side walls located opposite each other.
  • Such an arrangement makes it possible to obtain a homogeneous and optimum distribution of the cold irrespective of the position of the packaging in the type of transport used. Indeed, a positioning of the cooling element in the bottom of the container is inefficient, cold being downward. Furthermore, a positioning of the refrigerant element in the lid means that the packaging must remain in its initial position which is not necessarily the case in transport mode due to handling.
  • the thermally insulating packaging according to the invention is such that the first hollow side wall provided with opening (s) constitutes all of the lateral parts of the container. The advantage associated with this embodiment lies in the fact that said container allows a restitution of the cold of the cooling element towards the interior of the vessel or the heater of the heating element, which is isotropic.
  • the thermally insulating packaging according to the invention is such that the thickness of the first sheet based on at least one isothermal insulating natural material of cellular or cork structure is less than the thickness of the second sheet based on at least one isothermal insulating natural material of alveolar structure or cork.
  • the thermally insulating packaging according to the invention is such that it comprises a first product blocking means.
  • said first product blocking means comprises, preferably consisting of, a third lamp based on at least one isothermal insulating natural material of alveolar or cork structure.
  • said third sheet being able to be inserted horizontally within the packaging according to the invention.
  • said third sheet is inserted within second blocking means, preferably second groove type mechanical locking means, said grooves being horizontal relative to the base of the container.
  • said third sheet has a dimension or area equal to or slightly greater than the horizontal dimension or inner surface of the container to accommodate the depth of the groove.
  • said third sheet comprises one or more apertures. These openings allow to welcome one or more products of all sizes.
  • such a sheet based on at least one isothermal insulating natural material of cellular or cork structure makes it possible, by virtue of the properties of said material, to produce a third interchangeable and movable sheet within different grooves and thus to create a blocking element adapted to the defined product; this while being sufficiently flexible and flexible for insertion into the container and rigid enough to fulfill the blocking function, while maintaining a good quality of thermal dispersion.
  • the thermally insulating packaging according to the invention is such that the first blocking means comprises at least one perforated orifice or several perforated orifices making it possible to situate the product to be stored and / or transported at an equal distance. of all the side walls constituting the container.
  • the first blocking means comprises at least one perforated orifice or several perforated orifices making it possible to situate the product to be stored and / or transported at an equal distance. of all the side walls constituting the container.
  • the thermally insulating packaging according to the invention is such that the lid or cap and / or the base does not comprise at least one third locking means of recess or relief type.
  • third means of locking type recess or relief is meant that the lid and / or the base "is (are) recessed (s) and / or provided (s) outgrowth (s) able to avoid any movement of the products preserved in the packaging according to the invention.
  • the thermally insulating packaging according to the invention is such that it comprises at least one means of compartmentalization, preferably removable, of the inner part of the container.
  • said compartmentalization means comprises a fourth sheet based on at least one isothermal insulating natural material of alveolar structure or cork.
  • said compartmentalization means is in the form of a hollow wall, said hollow wall consisting of at least a fourth sheet based on at least one isothermal insulating natural material of alveolar or cork structure, of a second gas strip, a fifth sheet based on at least one isothermal insulating natural material of honeycomb or cork structure, and one or second securing means based on at least one isothermal insulating material, preferably based on 'at least one material isothermal insulation of cellular structure, more preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, the said second means being located on the periphery of said sheets.
  • said fourth and / or fifth sheet may be provided with an opening (s) and contain a cooling or heating element.
  • a means of compartmentalization makes it possible to define storage spaces allowing the preservation of products requiring different storage and / or transport temperatures.
  • the thermally insulating packaging according to the invention is such that at least a part or all of at least one sheet based on at least one isothermal insulating natural material. of honeycomb or cork structure, is covered with at least one thermal insulating material and / or a material suitable for food contact.
  • Said thermal insulating material is selected from paraffin, preparations based on cork dust such as so-called clogging preparations, any other natural surface treatment.
  • thermal insulating material deposited on at least a part or all of at least one base sheet of at least one isothermal insulating natural material of cellular or cork structure, is that it makes it possible to improve the insulating properties thereof but also to confer additional properties such as an improvement of the water-repellent, anti-fire or antibacterial properties to said element.
  • Said thermal insulating material is preferably selected from paraffin and / or preparations based on cork dust such as so-called clogging preparations.
  • the thermally insulating packaging according to the invention is such that it comprises one or more stiffening means, the means (s) being located in the gas strip, the or said means comprising one or more units of isothermal insulating material, preferably based on at least one isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of alveolar or cork structure, ) said unit (s) being in the form of excrescences emanating from at least one sheet based on at least one isothermal insulating material, preferably based on less an isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, or being added to said sheet, said stiffening means also comprising first fixing means, said (s) first (s) means (s) fixing and (s) said (s) stiffening unit (s) forming the stiffening means (s), being merged or not.
  • the stiffening units are based on at least one isothermal insulating natural material with honeycomb or cork structure, more preferably based on cork in expanded form (cork having been heated at high temperature and inflated with air), natural ( raw cork not having undergone any treatment, except scalding) or agglomerated (cork made from granules and / or cork dust to which a binder is added, said binder may be natural or synthetic, preferably a binder suitable for direct food contact and respecting health and public hygiene such as a polyurethane food glue for example or any non-toxic natural resin such as suberin for example.
  • the stiffening units can take many forms such as parallelepiped or cylindrical or other
  • the stiffening units are in the form of a parallelepiped with a base a rectangular means, a stiffening means comprising such a unit forming for example a spacer.
  • the thermally insulating packaging according to the invention is such that the base (1 01) and the side walls form a monoblock type container.
  • the term "monobloc" is intended to denote a package made of a single block that does not require second means of securing externally to said container.
  • the thermally insulating packaging according to the invention is such that the lid or cap is provided with means for closing the gas (s) blade (s) of the (the) first wall (s) (s) lateral (s) hollow (s).
  • the average means consist of excrescences emanating from the cover, said protrusions being adapted to be inserted into the gas plate of the first (or) side wall (s) hollow (s).
  • the thermally insulating packaging according to the invention is such that it comprises, following the second sheet based on at least one isothermal insulating natural material of honeycomb or cork structure, an additional structure comprising at least one gas strip and a sheet based on at least one isothermal insulating natural material of alveolar or cork structure, such a sheet / gas strip / second sheet / gas strip / first sheet structure comprising at least one opening to an improvement of the thermal insulation properties.
  • the thermally insulating packaging according to the invention is such that the walls other than the first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork are hollow or not, said other walls if they are hollow with or without openings on the inner face of the container.
  • the thermally insulating packaging consists of a hollow-side container which comprises two first hollow side walls each comprising a first sheet based on at least one natural insulating material. isothermal structure honeycomb or cork provided with opening (s), a gas blade, a second sheet based on at least one isothermal insulating natural material honeycomb structure or cork, u base based on at least one material natural isothermal insulation of cellular or cork structure, a cap or cover based on at least one insulating natural insulating material of alveolar or cork structure to ensure a hermetic closure of the package and thus avoid any thermal bridge leakage promoting the maintenance of the desired temperature within the thermally insulating package by means of the cooling or heating element located in at least one blade gas located in at least one of the hollow side walls; said package comprising two hollow non-hollow side walls opposite each other, each of said hollow side walls being constituted by a sheet based on at least one isothermal insulating natural material of alve
  • the thermally insulating packaging according to the invention is provided with a system of handles to facilitate its transport.
  • This system can be fixed directly on the packaging or on outer envelopes to facilitate its carrying and / or transport
  • the thermally insulating packaging according to the invention can be inserted into an element or envelope of substantially larger shape and size of only a few milli meters of said packaging so that the package according to the invention can fully marry the internal faces of said existing envelope thus facilitating its insertion.
  • the thermally insulating packaging according to the invention is capable of being inserted into any outer casing based on natural material, composite, synthetic, metallic, mineral, fabric / leather.
  • the embodiments of the thermally insulating packaging according to the invention are not limited to the modes described above but may also result from a combination of two or more of them.
  • the method of manufacturing the thermally insulating package according to the invention is a method such that it comprises at least one step of manufacturing at least one hollow side wall of the container by molding or assembly.
  • FIG. 1 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and of four lateral walls.
  • a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and of four lateral walls.
  • the hollow side walls not having yet been produced, two opposite side walls are provided with first mechanical fastening means in the form of vertical grooves (1003 relative to the base (1 01) of the container (1 0), the walls also being provided with second securing means in the form of horizontal grooves (1 05) relative to the base (1 01) of the container. (1 0).
  • FIG. 2 illustrates a view of a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000), said sheet comprising openings (1004).
  • FIG. 3 shows a view of a first grooving means (106) in the form of a third cork sheet (1060) comprising perforated orifices (1 061).
  • FIG. 4 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and four side walls.
  • the wall hollow lateral membrane based on at least one isothermal insulating natural material of alveolar or cork structure (100) comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with an opening (s) (1 004) on at least a portion of the face constituting at least a part of the interior of the container, a gas blade (1 001), a second sheet of at least one natural material insulated insulation of honeycomb structure or cork (1 002) and first securing means (1 003).
  • FIG. 5 illustrates a front view from above of the container (1 0) having a base (1 01) and a hollow side wall based on at least one isothermal insulating natural material of alveolar or cork structure (1 00). ) comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with aperture (s) (1004) on the e ns a part of the face constituting at least a part from inside the container, a gas strip, a second sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1002) and first securing means (1003).
  • FIG. 6 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and four side walls.
  • said container (1 0) comprising two hollow side walls based on at least one isothermal insulating natural material of honeycomb or cork structure, said container (1 0) comprising two hollow side walls based on at least one isothermal insulating natural material of alveolar structure or cork (100) opposed to each other, said walls each comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with aperture (s) (1004) on at least a part of the face constituting at least a part of the inside of the container, a gas blade (1 001), a second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002) and first means of s olidarisation (1,003).
  • FIG. 7 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and of four side walls.
  • said container (1 0) comprising two hollow side walls based on at least one isothermal insulating natural material of honeycomb structure or cork (1 00) opposite to each other, said walls each comprising a first sheet based on less a natural isothermal insulation material of honeycomb structure or cork (1000) provided with opening (s) (1 004) on at least a portion of the face constituting at least a portion of the interior of the container, a gas blade (1 001), a second sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1002) and first securing means (1003), the container comprising a first grooving means (1 06). ) in the form of
  • Figure 8 shows a cross section of the view shown in Figure 7 with a view of the first sheet based on at least one isothermal insulating natural material honeycomb structure or cork (1000).
  • FIG. 9 shows a view taken from above of a container (1 0) illustrated in FIG. 7, led it container comprising a cooling or heating element (1 02) within the gas blade (1 001) of the hollow side wall (100).
  • FIG. 10 presents a) a thermally insulating cover based on at least one isothermal insulating natural material of alveolar or cork structure (1 2) provided with excrescences (1 2 1) able to close the thermally insulating packaging according to the invention of Figure 1 0 b), the excrescences (1 2 1) closing the blades of gas (1 001).
  • FIG. 11 shows a horizontal cross-section of a heat-insulating packaging based on at least one isothermal insulating natural material of cellular or cork structure according to the invention, comprising at least a first sheet based on less a natural isothermal insulating material of honeycomb or cork structure (1000) comprising at least one not shown aperture, a gas strip (1001), a second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002) and first securing means (1003) between said sheets based on at least one isothermal insulating natural material of cellular or cork structure (1000, 1002), the first means thereof (1003) being located on the outskirts of the city sheets or on the periphery of one and / or the other of said sheets (1000, 1 002) based on at least one isothermal insulating natural material of honeycomb or cork structure, the package being provided with a means for compartmentalization (1 07) of the inner part of the container (1 0) in the form
  • the invention is not limited to the embodiments mentioned above.
  • the skilled person may provide any variant in the external and internal form, the capacity of capacity of the thermally insulating packaging in the morphology of the securing means, the units and stiffening and fixing means, in the positioning the first and second sheets facing each other constituting the thermally insulating packaging according to the invention. 6. Description of an embodiment of the invention
  • Said package (1) consists of a lid or cap (1 1) and a container (1 0) comprising a base (1 02) based on at least one natural insulating material isothermal honeycomb or cork and a set of four side walls based on at least one isothermal insulating natural material honeycomb structure or cork. Said four side walls comprising a sheet based on at least one isothermal insulating natural material of honeycomb or cork structure. Said sheets being secured together and with the base (1 02) by mechanical means such as groove, rabbet, mortise, tenon, blind hole, ankle, etc. and / or ch imic such as glues, mastics and adhesives.
  • Two of said sidewalls are hollow walls each comprising a first cork sheet (1000) provided with aperture (s) (1004) on at least a portion of the face constituting at least a portion of the interior of the container , a gas blade (1001), a second cork sheet (1002) and first securing means (1003) between said cork sheets, said first means (1), 003) being located on the periphery of said sheets (1,000, 1,002).
  • Said hollow side walls being located opposite the one of the other.
  • the first grounding means (1 003) are of the mechanical type such as grooves. Said grooves are hollowed on the inner faces of the hollow walls.
  • First two cork sheets (1000) provided with aperture (s) (1004) on at least a portion of the face constituting at least part of the interior of the container is inserted into the grooves (1003). ) so as to obtain two hollow walls opposite to each other.
  • Each gas blade (1 001) contains a cooling element (1 02).
  • a first blocking means, said first blocking means comprising a third sheet based on at least one isothermal insulating natural material of honeycomb structure or cork (1 060) is inserted horizontally within the package according to the invention.
  • said third sheet is inserted into grooves.
  • said third sheet comprises one or more perforated orifices.
  • Said packaging comprises a cork cover (1 2) provided with protuberances (1 21) able to close the upper parts of the gas strips so as to avoid any thermal bridge.

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Abstract

The invention relates to a thermally insulating wrapper (1) comprising a container (10), said container (10) comprising at least one first hollow side wall made from at least one natural isothermal insulating material with a honeycomb or cork structure (100), a cover or cap (12) and a base (101). According to the invention, such a wrapper comprises at least one first sheet made from at least one natural isothermal insulating material with a honeycomb or cork structure (1000) provided with opening(s) (1004) on at least part of the face making up at least part of the inside of the container, a gas gap (1001), a second sheet made from at least one natural isothermal insulating material with a honeycomb or cork structure (1002) and one or more first securing means (1003) for securing said sheets (1000, 1002), said first means (1003) having a base of at least one isothermal insulating material and being situated on the periphery of said sheets (1000, 1002) made from at least one natural isothermal insulating material with a honeycomb or cork structure and/or one or more securing means outside said container, said at least one hollow side wall comprising at least one refrigerating or heating element (102), said refrigerating or heating element (102) being inserted within the at least one first hollow side wall (100).

Description

EMBALLAGE THERMIQUEMENT ISOLANT A PAROI(S) CREUSE(S) MUNIE(S) D'AU MOINS UNE OUVERTURE A BASE MATERIAU ISOLANT ISOTHERME ET  THERMALLY INSULATING PACKAGE WITH A HOLLOW WALL (S) HAVING (S) AT LEAST ONE OPENING BASED ON ISOTHERMALLY INSULATING MATERIAL AND
SON PROCÉDÉ DE FABRICATION  ITS MANUFACTURING METHOD
Le domaine de l'invention est celui des emballages thermiquement isolant à paroi(s) creuse(s) à base de matériau naturel isolant isotherme de structure alvéolaire ou liège, de leur procédé d'obtention et de leur utilisation. Plus précisément, l'invention concerne un emballage thermiquement isolant comprenant au moins une paroi latérale creuse munie d'au moins une ouverture sur la face intérieure de ladite paroi constituant au moins une face interne de l'emballage à base d'au moins un matériau naturel isotherme de structure alvéolaire ou liège, ledit emballage isotherme étant destiné pour tout type de produits sensibles thermiquement (P. ST.) sous forme solides, liquides ou gazeux tel que, par exemple, des denrées agroalimentaires fraîches ou surgelées, des produits cosmétiques, des médicaments, des vaccins, du vivant, etc.. nécessitant un transport sous température dirigée dans un espace-temps défini. The field of the invention is that of thermally insulating packaging hollow wall (s) based on insulated natural insulating material of cellular or cork structure, their method of obtaining and their use. More specifically, the invention relates to a thermally insulating package comprising at least one hollow side wall provided with at least one opening on the inner face of said wall constituting at least one inner face of the package based on at least one material. isothermal natural honeycomb structure or cork, said isothermal packaging being intended for all types of thermally sensitive products (P. ST.) in solid, liquid or gaseous form such as, for example, fresh or frozen foodstuffs, cosmetics, drugs, vaccines, living organisms, etc., requiring transport under controlled temperature in a defined space-time.
Les matériaux isothermes ou isolants thermiques sont des matériaux caractérisés par une faible conductivité thermique qui permettent d'isoler, jusqu'à un certain point, du milieu ambiant. Ils sont utilisés pour réduire les échanges thermiques entre deux milieux de températures différentes et ainsi d'éviter l'établissement d'un équilibre thermique entre les deux milieux. Selon la norme française RT201 2, un matériau est considéré comme isolant thermique si sa conductivité thermique est inférieure à 0,065 W/m.K pour une température de 20°C. Lesdits matériaux isothermes ou isolants thermiques se présentent généralement sous la forme d'une matrice solide dans laquelle est emprisonnée une dispersion de poches de gaz statiques, cette immobilisation ayant pour objet de rendre impossible les phénomènes de convection thermique. Isothermal or thermal insulation materials are materials characterized by a low thermal conductivity that can isolate, to a certain extent, the surrounding environment. They are used to reduce thermal exchanges between two different temperature environments and thus avoid the establishment of a thermal equilibrium between the two environments. According to the French standard RT201 2, a material is considered as thermal insulation if its thermal conductivity is less than 0.065 W / m.K for a temperature of 20 ° C. Said isothermal or thermal insulating materials are generally in the form of a solid matrix in which is imprisoned a dispersion of static gas pockets, this immobilization having the object of making impossible the thermal convection phenomena.
Depuis toujours, les matériaux constituant la matrice solide utilisés dans le domaine de fabrication des emballages thermiquement isolants font appel d'une part à des matériaux métalliques, minéraux et d'autre part à des matériaux composites et/ou synthétiques. Ces derniers étant pour la plupart des dérivés du raffinage du pétrole tel que choisit dans le groupe constitué par le chlorure de polyvinyle, le polypropylène expansé (PPE), le polyéthylène expansé extrudé (PEE), le polyuréthane (PU), la mousse de polyéthylène expansé extrudé, la mousse de polyuréthane, le néoprène... De manière générale, le problème majeur lié à l'utilisation de tels matériaux réside dans leur faible biodégradabilité, leur faible aptitude au recyclage, leur i mpact environnemental important (tel que leur bilan carbone déplorable ou leur contribution à l'effet de serre) étant donné que les procédés mis en œuvre pour leur obtention libèrent une très grande quantité de carbone. En outre, les emballages thermiquement isolants à base desdits matériaux métalliques composites et/ou synthétiques ne sont pour la plupart pas agréés au contact alimentai re. De plus, il convient de souligner que la plupart des matériaux composites et/ou synthétiques dérivés du raffinage du pétrole présentent une faible résistance au feu et/ou aux chocs, une faible résistance mécanique ou le fait que la combustion de certains d'entre eux dégage des gaz hautement toxiques. Finalement, les emballages thermiquement isolant déd iés au transport de produits sensibles thermiquement nécessitent, pour certai ns de ces produits, l'utilisation de véhicules frigorifiques ce qui entraine un impact environnemental d'autant plus im portant car lié à la consommation plus élevées en carburant de ces derniers. Historically, the materials constituting the solid matrix used in the field of manufacturing thermally insulating packaging use on the one hand metal materials, minerals and on the other hand to composite and / or synthetic materials. The latter being for the most part derivatives of petroleum refining such as selected from the group consisting of polyvinyl chloride, expanded polypropylene (EPP), extruded expanded polyethylene (PEE), polyurethane (PU), extruded expanded polyethylene foam, polyurethane foam, neoprene, etc. In general, the major problem related to the use of such materials lies in their low biodegradability, low recyclability, and significant environmental impact (such as their deplorable carbon footprint or contribution to the greenhouse effect) given that the processes used for their production release a very large amount of carbon. In addition, thermally insulating packages based on said composite and / or synthetic metal materials are for the most part not approved for food contact. In addition, it should be noted that most of the composite and / or synthetic materials derived from petroleum refining have low fire and / or impact resistance, low mechanical strength, or the combustion of some of them. gives off highly toxic gases. Finally, thermally insulating packaging dedicated to the transport of thermally sensitive products require, for some of these products, the use of refrigerated vehicles which leads to an environmental impact which is all the more important because of the higher fuel consumption. of these.
Le document FR1 31 8983 décrit un emballage thermiquement isolant comprenant une paroi latérale constituée d'une première feuille en polystyrène expansé sur laquelle est directement collée, à l'aide d 'une colle plastique, une seconde feuille en liège, ladite paroi latérale étant dépourvue de lame de gaz entre les deux feuilles. Un tel em ballage présente du fait de l'utilisation de polystyrène une incapacité à pouvoir réaliser une paroi creuse du fait de la faible résistance aux chocs dudit polystyrène, un impact environ nemental déplorable et une faible biodégradabilité. Le docu ment CH 1 47246 décrit un embal lage thermiquement isolant en liège comprenant une pluralité de parois latérales creuses. Cependant, du fait de sa structure, ledit emballage nécessite lors de sa réalisation l'utilisation d'énormément de matériau en liège par rapport au volume intérieur d isponible pour recevoir les produits à transporter et/ou conserver. En outre, ledit emballage ne dispose pas d'un système de régulation de température et ne permet aucune adaptation de la partie creuse desdites parois latérales creuses aux dimensions des éléments chauffants ou réfrigérants qui pourraient y être insérés. Document FR 31 8983 describes a thermally insulating package comprising a side wall consisting of a first expanded polystyrene sheet on which a second cork sheet is directly adhered with a plastic glue, said side wall being free of gas blade between the two leaves. Because of the use of polystyrene, such a coating has an inability to produce a hollow wall due to the low impact resistance of said polystyrene, a deplorable environmental impact and low biodegradability. The document CH 1 47246 discloses a thermally insulating cork package comprising a plurality of hollow sidewalls. However, because of its structure, said packaging requires during its implementation the use of a great deal of cork material with respect to the internal volume available to receive the products to be transported and / or stored. In addition, said packaging does not have a system of temperature control and does not allow any adaptation of the hollow portion of said hollow side walls to the dimensions of the heating or cooling elements that could be inserted therein.
L'invention a notamment pour objectif de pallier à ces inconvénients de l'art antérieur. The invention particularly aims to overcome these disadvantages of the prior art.
Un objectif de l'invention est de fournir un nouveau type d'emballage thermiquement isolant permettant une bonne transmission de la chaleur émanant d'un élément chauffant ou du froid émanant d'un élément réfrigérant aux produits conservés dans ledit emballage, tout en évitant un contact direct entre lesdits éléments chauffant ou réfrigérant et les produits conservés, d'une part, et d'autre part permettant une bonne conservation de la température au sein dudit emballage. An object of the invention is to provide a new type of thermally insulating packaging allowing a good transmission of heat emanating from a heating element or cold emanating from a cooling element to the products preserved in said packaging, while avoiding a direct contact between said heating elements or refrigerant and the preserved products, on the one hand, and on the other hand allowing a good conservation of the temperature within said packaging.
Plus précisément, un objectif de l'invention, dans au moins un de ses modes de réalisation, est de fournir un emballage thermiquement isolant, qui ait un impact environnemental exemplaire, qui puisse être utilisé dans le cadre d'un contact alimentaire direct, qui soit chimiquement neutre, qui soit biodégradable, recyclable et réutilisable, qui présente des propriétés d'isolation thermique améliorées et nécessite l'utilisation d'une moins grande quantité de matière naturelle ou liège et/ou une moins grande quantité d'accumulateur de froid (gels eutectiques ou glace carbonique par exemple) ou de chaud ; ceci permettant de jouer entre la matière utilisée, le nombre d'accumulateur et l'espace disponible. En outre ledit emballage doit permettre d'éviter le recours à un véhicule frigorifique pour la plupart des marchandises transportées afin de minimiser l'impact environnemental liée audit transport et permettre d'utiliser des lignes de transport standard de type DHL, UPS,... More specifically, an objective of the invention, in at least one of its embodiments, is to provide a thermally insulating packaging, which has an exemplary environmental impact, which can be used in the context of a direct food contact, which chemically neutral, which is biodegradable, recyclable and reusable, which has improved thermal insulation properties and requires the use of a lesser amount of natural material or cork and / or a smaller amount of cold accumulator ( eutectic gels or dry ice for example) or hot; this allows to play between the material used, the number of accumulator and the available space. In addition, said packaging must make it possible to avoid the use of a refrigerated vehicle for most of the goods transported in order to minimize the environmental impact related to said transport and to make it possible to use standard DHL, UPS, ...
Un autre objectif de l'invention, dans au moins un de ses modes de réalisation, est de mettre en œuvre un procédé d'obtention le plus simple et le plus polyvalent dudit emballage thermiquement isolant. Conformément à un mode de réalisation particulier, l'invention concerne un emballage thermiquement isolant comprenant un couvercle ou coiffe et un récipient, ledit récipient comprenant au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège et une base. Selon l'invention, une telle première paroi latérale creuse comprend au moins une première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège munie d'ouverture(s) sur au moins une partie de la face constituant au moins une partie de l'intérieur du récipient, une lame de gaz, une seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège et un ou des premiers moyens de solidarisation desdites feuilles, le(s)dit(s) premier(s) moyens étant à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, et étant situé(s) à la périphérie desdites feuilles à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège et/ou un ou des seconds moyens de solidarisation externe audit récipient, ladite au moins une première paroi creuse comprenant au moins un élément réfrigérant ou chauffant, ledit élément réfrigérant ou chauffant étant inséré au sein de la au moins une première paroi latérale creuse. Another object of the invention, in at least one of its embodiments, is to implement a process for obtaining the simplest and most versatile of said thermally insulating packaging. According to a particular embodiment, the invention relates to a thermally insulating package comprising a lid or cap and a container, said container comprising at least a first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork and a base. According to the invention, such a first hollow side wall comprises at least a first sheet based on at least one isothermal insulating natural material of honeycomb or cork structure provided with opening (s) on at least a portion of the face constituting the at least a part of the interior of the container, a gas strip, a second sheet based on at least one isothermal insulating natural material of cellular or cork structure and one or the first means for securing said sheets, the said (s) first means being based on at least one isothermal insulating material, preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, and being located on the periphery of said sheets with base of at least one isothermal insulating natural material of honeycomb or cork structure and / or one or second external securing means to said container, said at least one first hollow wall comprising at least a cooling or heating element, said cooling or heating element being inserted into the at least one first hollow side wall.
Le principe général de l'invention repose donc sur l'introduction d'un élément réfrigérant ou chauffant au sein de la lame de gaz de la au moins une première paroi latérale creuse. L'ouverture ou les ouvertures pratiquées au sein de la première feuille permettent ainsi d'assurer la pleine performance fonctionnelle en conservant une certaine température au sein de la paroi creuse mais également de réguler une restitution du froid de l'élément réfrigérant ou du chaud de l'élément chauffant vers l'intérieur du récipient de l'emballage thermiquement isolant au travers de ladite première feuille, ladite restitution pouvant aboutir à une température dirigée égale ou différente à celle maintenue dans la paroi creuse et cela de façon homogène selon la disposition des ouvertures. L'emballage thermiquement isolant selon l'invention permet ainsi d'éviter un contact direct entre l'élément réfrigérant ou chauffant avec le(s) produits(s) conservé(s) et/ou transporté(s) dans ledit emballage. Ainsi, l'invention repose sur une approche tout à fait nouvelle et inventive, les inventeurs ayant déterminé que de manière surprenante l'utilisation d'une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, comprenant au moins une première feuille munie d'ouverture(s) confère audit emballage thermiquement isolant des propriétés d'isolation thermique tout en évitant un contact direct entre l'élément réfrigérant ou chauffant et les produits conservés. En outre, l'utilisation d'une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège permet de disposer d'un emballage thermiquement isolant présentant un faible impact environnemental, ledit emballage étant biodégradable, réutilisable et chimiquement neutre. Par ailleurs, le couplage de la lame de gaz avec la grande souplesse du matériau naturel isotherme de structure alvéolaire ou liège favorise l'amortissement des chocs. La souplesse de l'emballage thermiquement isolant selon l'invention permet ainsi d'éviter l'utilisation de moyen de rigidification de type entretoise au sein de la première paroi latérale creuse, par rapport à une première paroi latérale creuse de même taille à base de matériau synthétique. The general principle of the invention is therefore based on the introduction of a cooling or heating element within the gas strip of the at least one first hollow side wall. The opening or the openings made within the first sheet thus make it possible to ensure full functional performance while maintaining a certain temperature within the hollow wall, but also to regulate a return of the coldness of the cooling element or the heat of the the heating element towards the inside of the container of the thermally insulating packaging through said first sheet, said restitution being able to result in a directed temperature equal to or different from that maintained in the hollow wall and that in a homogeneous manner according to the arrangement of the openings. The thermally insulating packaging according to the invention thus makes it possible to avoid direct contact between the cooling or heating element with the product (s) conserved and / or transported in said packaging. Thus, the invention is based on an entirely new approach and inventive, the inventors having determined that surprisingly the use of a first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork, comprising at least a first sheet provided with opening (s) provides said thermal insulation package with thermal insulation properties while avoiding direct contact between the cooling or heating element and the products preserved. In addition, the use of a first hollow side wall based on at least one isothermal insulating natural material honeycomb structure or cork allows to have a thermally insulating packaging with low environmental impact, said packaging being biodegradable, reusable and chemically neutral. Moreover, the coupling of the gas blade with the great flexibility of the isothermal natural material of honeycomb structure or cork promotes shock absorption. The flexibility of the thermally insulating packaging according to the invention thus makes it possible to avoid the use of spacer type stiffening means within the first hollow side wall, with respect to a first hollow side wall of the same size based on synthetic material.
Par le terme « emballage », on entend désigner un contenant de différentes formes géométriques possibles et conçu pour contenir un produit dans un laps de temps défini. By the term "packaging" is meant a container of different geometric shapes possible and designed to contain a product within a defined period of time.
Par les termes « matériau naturel isotherme à structure alvéolaire ou liège», on entend désigner un matériau organique d'origine végétale composé de cellules ayant la forme de microalvéoles, pentagonales ou hexagonales, dont la hauteur ne dépasse pas les 40 à 50 micromètres, les plus petites cellules ne mesurant que 20 ou même 1 0 micromètres, lesdites cellules étant gorgées d'un mélange gazeux à 95% similaire aux gaz composant l'air. Préférentiellement, le matériau naturel à structure alvéolaire est du liège sous forme expansée (liège ayant été chauffé à haute température et gonflé d'air), naturelle (liège brut n'ayant subi aucun traitement, excepté l'ébouillantage) ou agglomérée (liège fabriqué à partir de granulés de liège et/ou de poussière de liège auxquels on ajoute un liant, ledit liant pouvant être naturel ou synthétique, de préférence un liant convenant au contact direct alimentaire et respectant la santé et l'hygiène publique tel qu'une colle alimentai re polyuréthane par exemple ou toute résine naturelle non toxique tel que la subérine par exemple. Un tel matériau présente un faible impact environnemental, des propriétés d'isolation thermique améliorées et permet de participer et de favoriser indirectement à la protection de notre écosystème et de la biodiversité grâce au liège qui est un matériau naturel exploité au sein d'une pol itique de gestion durable. By the term "isothermal natural material with honeycomb structure or cork" is meant an organic material of plant origin composed of cells in the form of microalveoles, pentagonal or hexagonal, whose height does not exceed 40 to 50 microns, the smaller cells measuring only 20 or even 10 micrometers, said cells being filled with a gaseous mixture at 95% similar to the gases comprising the air. Preferably, the natural material with honeycomb structure is cork in expanded form (cork having been heated at high temperature and inflated with air), natural (raw cork having undergone no treatment, except scalding) or agglomerated (made cork from cork granules and / or cork dust to which a binder is added, said binder can be natural or synthetic, preferably a binder suitable for direct food contact and respecting health and public hygiene such as glue polyurethane food for example or any non-toxic natural resin such as suberin for example. Such a material has a low environmental impact, improved thermal insulation properties and allows to participate and indirectly promote the protection of our ecosystem and biodiversity through cork which is a natural material exploited within a pol sustainable management.
Par les termes « à base de matériau naturel isolant isotherme de structure alvéolaire ou liège », on entend respectivement désigner le fait que la au moins une première paroi latérale creuse de l'emballage thermiquement isolant selon l'invention est constitué d 'au moins 90% en poids en au moins un matériau naturel isolant isotherme de structure alvéolai re ou liège, préférentiellement en au moins 95% en poids en au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, plus préférentiellement en au moins 99% en poids en au moins matériau naturel isolant isotherme de structure alvéolaire ou liège. Préférentiellement, l'emballage thermiquement isolant est à base de matériau naturel isolant isotherme de structure alvéolaire ou liège. Par les termes « élément réfrigérant », on entend désig ner des moyens permettant d'absorber la chaleur. Il sert par exemple à réfrigérer des aliments, médicaments ou autres produits lors de leur transfert ou transport. Il sert aussi à dissiper l'énergie thermique échangée entre l'intérieur et l 'extérieur d'un conditionnement sur un laps de temps défini. Il existe par exemple des éléments réfrigérant rigides (briquettes, dédiées à être réutilisées) et d'autres souples (pochettes ou sacs fermés, habituellement jetables). Un tel élément réfrigérant peut par exemple contenir typiquement un sel gélifiant qui mélangé à de l 'eau permet, après congélation dudit élément réfrigérant, de restituer du froid négatif - 1 7°C à - 1 °C et du froid positif, température >à 0°C après une phase de pré conditionnement. Ainsi , les éléments réfrigérants sont utilisés pour délivrer du froid de + 1 5°C à - 1 7° C. The terms "based on isothermal insulating natural material of alveolar structure or cork" mean respectively designate that the at least one first hollow side wall of the thermally insulating package according to the invention consists of at least 90 % by weight of at least one isothermal insulating natural material of honeycomb or cork structure, preferably at least 95% by weight in at least one isothermal insulating natural material of cellular or cork structure, more preferably in at least 99% by weight, at least insulating natural insulating material of alveolar structure or cork. Preferably, the thermally insulating packaging is based on insulating natural insulating material of honeycomb structure or cork. By the term "cooling element" is meant means for absorbing heat. It is used for example to refrigerate food, medicine or other products during their transfer or transport. It also serves to dissipate the thermal energy exchanged between the inside and the outside of a package over a defined period of time. There are for example rigid refrigerant elements (briquettes, dedicated to be reused) and other flexible (pouches or closed bags, usually disposable). Such a cooling element may for example typically contain a gelling salt which mixed with water, after freezing of said cooling element, to restore negative cold - 1 7 ° C to -1 ° C and positive cold, temperature> to 0 ° C after a pre-conditioning phase. Thus, the refrigerating elements are used to deliver cold from + 15 ° C to -17 ° C.
Par les termes « élément chauffant », appelé aussi accumulateu rs de chaud, on entend désigner des moyens permettant de li bérer de la chaleur. Il sert par exemple à conserver des aliments ou autres produits à une température supérieure à la température ambiante lors de leur transfert ou transport. By the term "heating element", also known as heat accumulators, is meant means for releasing heat. It serves for example to store food or other products above ambient temperature when transferring or transporting them.
Par le terme « feuille », on entend désigner une plaque plane ou incurvée. La première et la seconde feuille de la au moins une première paroi latérale creuse ont des dimensions (longueur, largeur, rayon de courbure) pouvant être différentes mais préférentiellement identiques By the term "sheet" is meant a flat or curved plate. The first and second sheets of the at least one first hollow side wall have dimensions (length, width, radius of curvature) which may be different but preferably identical
Par le terme « ouverture(s) », on entend désigner des trous, des fentes et/ou des orifices perforés au travers de la première feuille, la taille et/ou le nombre d'ouverture(s) pouvant être optimisé en fonction de la température et du temps de conservation souhaité. By the term "opening (s)" is meant holes, slots and / or apertures perforated through the first sheet, the size and / or the number of opening (s) can be optimized according to the desired temperature and shelf life.
Par les termes « lame de gaz », on entend désigner l'espace ou les espaces vides entre les première et deuxième feuilles. By the terms "gas blade" is meant the space or voids between the first and second sheets.
Par les termes « premiers moyens de solidarisation», on entend désigner des moyens de solidarisation de type mécanique tel que rainure, feuillure, mortaise, tenon, trou borgne, cheville, etc .. et/ou chimique tels que des colles, mastics et adhésifs. Préférentiellement, on entend désigner des moyens de sol idarisation de type mécanique tel qu'une rainure, lesdites rainures étant préférentiellement creusées au sein des parois latérales constituant le récipient qui sont perpendicu laires à ladite première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, ou chimique tels que des ad hésifs ou autocollants doubles faces. By the terms "first securing means" is intended to denote mechanical type of fastening means such as groove, rabbet, mortise, tenon, blind hole, ankle, etc. and / or chemical such as glues, sealants and adhesives . Preferentially, it is intended to designate means of soil idarization of mechanical type such as a groove, said grooves being preferentially hollowed within the side walls constituting the container which are perpendicular to said first sheet based on at least one natural insulating material isothermal structure honeycomb or cork, or chemical such as ad hesifs or double-sided stickers.
Par les termes « lesdits moyens étant situés à la périphérie desdites feui lles en matériau isolant isotherme », on entend désigner le fait que les moyens de solidarisation sont situés sur ou à faible distance des bords des feuilles côté pleine face ou sur la tranche desdites feuilles. Par les termes « à faible distance », on entend désigner une distance exprimée en valeur absolue par rapport aux bords ou à la tranche desdites feuilles d'au moins 0 mm. Par les termes « un ou des seconds moyens de solidarisation externe audit récipient », on entend plus particulièrement désigner une structure extérieure de type carton d'emballage dont les dimensions du volume intérieur sont égales ou légèrement supérieures aux di mensions du volume extérieur du récipient muni de son couvercle. Un tel second moyen permet d'obtenir un emballage thermiquement isolant q ui est démontable et remontable à souhait et ainsi de gagner du vol ume lors de son transport à vide. By the words "said means being situated at the periphery of said sheets of insulating insulating material", it is meant that the securing means are situated on or at a short distance from the edges of the sheets on the full-face side or on the edge of said sheets. . The term "short distance" is intended to denote a distance expressed as an absolute value with respect to the edges or the edge of said sheets of at least 0 mm. By the terms "one or second means of securing externally to said container" is meant more particularly to designate an outer structure of the type of cardboard whose dimensions of the internal volume are equal to or slightly greater than the dimensions of the external volume of the container provided with from its lid. Such a second means makes it possible to obtain a thermally insulating packaging that can be dismounted and remounted as desired and thus to gain some ume volume during its empty transport.
L'utilisation d'un matériau naturel isolant isotherme de structure alvéolaire ou liège, du fait de ses propriétés mécaniques, permet la réalisation d'u ne première paroi latérale creuse telle que la lame de gaz présente u ne dimension largement supérieure à la dimension de l 'élément réfrigérant ou chauffant. Selon un mode de réalisation préféré, l'emballage thermiquement isolant selon l'invention est tel que la au moins une première paroi latérale creuse comprend une lame de gaz adaptable en épaisseur aux dimensions de l'élément réfrigérant ou chauffant qui y est contenu. En outre, une telle première paroi latérale creuse peut stocker une pluralité d'éléments réfrigérants ou chauffants. Une telle adaptabilité de l 'épaisseur de la lame de gaz aux d imensions de l'élément réfrigérant ou chauffant est plus particulièrement obtenue par insertion de la première feuille à base d'un matériau naturel isolant isotherme de structure alvéolaire ou liège au sein de rainures situées sur les parois du récipient perpendiculaires à ladite première feuille. Lesdites rainu res étant préférentiellement situées à une distance d 'au moins 1 5 mm du bord desdites parois perpendiculaires. Une telle disposition est nettement pl us adaptable que des systèmes de railles, d'attaches ou d 'encoches de forme prédéfinie à une taille de gel unique. Préférentiellement, les premiers moyens de solidarisation utilisés pour fixer la au moins une première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège munie d'ouverture(s) constituant u ne partie de la paroi latérale creuse sont des rainures. Lesdites rainures sont réalisées sur les faces internes des parois constituant l'intérieur du récipient, lesdites faces étant en vis à vis, ladite au moins première feuille étant insérée perpendiculairement entre lesdites parois par glissement au sein des rainures correspondantes. Avantageusement, les faces internes des parois sont munies d'une pluralité de rainures. Une telle multiplicité de rainures permet d'obtenir de manière simple un plus grand choix d'épaisseur de lame de gaz. Ceci présente également l 'avantage de pouvoir adapter aisément la largeur de la lame de gaz aux différentes épaisseurs possible des éléments réfrigérants ou chauffants. Par ailleurs, les inventeurs ont découvert que de manière surprenante, une telle flexibilité de largeur de lame de gaz peut être combinée avec les dimensions de la ou des ouvertures présentes dans la au moins une première feuille à base d 'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège mu nie d'ouverture(s) constituant une partie de la paroi latérale creuse afin d 'obtenir une rég ulation du froid ou du chaud généré par l'élément réfrigérant ou chauffant inséré dans ladite lame de gaz. The use of a natural isothermal insulating material of honeycomb structure or cork, because of its mechanical properties, allows the realization of a first hollow side wall such that the gas blade has a dimension much greater than the dimension of the cooling or heating element. According to a preferred embodiment, the thermally insulating packaging according to the invention is such that the at least one first hollow side wall comprises a gas blade adaptable in thickness to the dimensions of the cooling or heating element contained therein. In addition, such a first hollow side wall can store a plurality of cooling or heating elements. Such an adaptability of the thickness of the gas strip to the dimensions of the cooling or heating element is more particularly obtained by insertion of the first sheet based on a natural isothermal insulating material of cellular or cork structure within grooves. located on the container walls perpendicular to said first sheet. Said grooves are preferably located at a distance of at least 1 5 mm from the edge of said perpendicular walls. Such an arrangement is much more adaptable than rust, fastener or slot systems of predefined shape at a single gel size. Preferably, the first securing means used to fix the at least one first sheet based on at least one isothermal insulating natural material of honeycomb or cork structure provided with opening (s) constituting part of the hollow side wall are grooves. Said grooves are formed on the inner faces of the walls constituting the inside of the container, said faces being opposite, said at least first sheet being inserted perpendicularly between said walls by sliding within the corresponding grooves. Advantageously, the internal faces of the walls are provided with a plurality of grooves. Such a multiplicity of grooves makes it possible to obtain in a simple manner a greater choice of gas blade thickness. This also has the advantage of being able to easily adapt the width of the gas strip to the different possible thicknesses of the cooling or heating elements. Moreover, the inventors have discovered that, surprisingly, such a flexibility of gas blade width can be combined with the dimensions of the opening or openings present in the at least one first sheet based on at least one natural insulating material. isothermal honeycomb or cork mu nie aperture (s) constituting a portion of the hollow side wall to obtain a regulation of cold or hot generated by the refrigerant or heating element inserted in said gas blade.
Selon u n mode de réalisation particulier du mode précédent, l'emballage thermiquement isolant selon l'invention est tel que la au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, ne contient qu'une seule lame de gaz. According to a particular embodiment of the preceding embodiment, the thermally insulating packaging according to the invention is such that the at least one first hollow side wall based on at least one isothermal insulating natural material of honeycomb or cork structure, contains only 'a single gas blade.
Ainsi un tel emballage permet de minimiser la quantité de matériau utilisée pour la réalisation dudit emballage mais également d'obtenir des parois plus mince de par les propriétés mécaniques de ce matériau. Thus, such a package makes it possible to minimize the quantity of material used for producing said package but also to obtain thinner walls by virtue of the mechanical properties of this material.
Selon u n mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel que la première feuille est à base d 'au moins un matériau naturel isotherme de structure alvéolaire ou liège, ladite première feuille ayant une épaisseur d'au moins 2 mm et d'au plus 25 mm, la lame de gaz à une épaisseur d'au moins 1 mm et d 'au plus 60 mm, et la seconde feuille à base d'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège a une épaisseur d'au moins 1 0 mm préférentiellement à une épaisseur d'au moins 20 mm, plus préférentiellement à une épaisseur d'au moins 30 mm. Préférentiellement la première feuille a une épaisseur égale à 5 mm, la lame de gaz a une épaisseur comprise entre 30 à 40 mm et la seconde feuille a une épaisseur égale à 1 5 mm. Préférentiellement, ladite paroi latérale creuse a une épaisseur totale d'au moins 50 mm et d'au plus 60 mm. According to one particular embodiment, the thermally insulating packaging according to the invention is such that the first sheet is based on at least one isothermal natural material of alveolar or cork structure, said first sheet having a thickness of at least 2 mm and not more than 25 mm, the gas strip to a thickness of at least 1 mm and not more than 60 mm, and the second sheet based on at least one insulating natural insulating material of alveolar or cork structure has a thickness of at least 10 mm, preferably at a thickness of at least 20 mm, more preferably at a thickness of at least 30 mm. Preferably, the first sheet has a thickness equal to 5 mm, the gas strip has a thickness of between 30 to 40 mm and the second sheet has a thickness equal to 15 mm. mm. Preferably, said hollow side wall has a total thickness of at least 50 mm and at most 60 mm.
Les inventeu rs ont observé que de manière surprenante il est possi ble d'optimiser les épaisseurs des feuilles à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège constituant la paroi latérale sur base de la densité desdites feuilles. The inventors have observed that, surprisingly, it is possible to optimize the thicknesses of the sheets based on at least one isothermal insulating natural material of alveolar or cork structure constituting the lateral wall on the basis of the density of said sheets.
Selon u n mode de réalisation préféré des modes précédent, l'emballage thermiquement isolant selon l'invention est tel q ue la surface de la lame de gaz de la au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège est au moins égale à 90%, préférentiel lement au moins égale à 95%, plus préférentiellement au moins égale à 99%, de la surface de la au moins une première feuille et/ou de la au moins une second feuille correspondante(s). Un tel mode de réalisation permet l'obtention d'une première paroi latérale creuse, ladite première paroi latérale creuse étant creuse sur presque toute sa longueur, sur presque toute sa largeur et non pas sur une petite partie de celle-ci. According to a preferred embodiment of the preceding modes, the thermally insulating packaging according to the invention is such that the surface of the gas strip of the at least one first hollow side wall based on at least one isothermal insulating natural material of alveolar structure or cork is at least 90%, preferably at least 95%, more preferably at least 99%, of the surface of the at least one first sheet and / or the at least one second corresponding sheet (s). Such an embodiment makes it possible to obtain a first hollow side wall, said first hollow side wall being hollow over most of its length, over almost its entire width and not over a small part of it.
Selon u n mode de réalisation préféré des modes précédents, l'emballage thermiquement isolant selon l'invention est tel qu' il comprend deux premières parois latérales creuses situées à l'opposé l'une de l'autre. Une telle disposition permet l'obtention d 'une répartition homogène et optimum d u froid quel que soit la position de l'emballage dans le type de transport utilisé. En effet, un positionnement de l'élément réfrigérant dans le fond du récipient est peu efficace, le froid étant descendant. Par ailleurs, un positionnement de l'élément réfrigérant dans le couvercle implique que l'emballage doit rester dans sa position initiale ce qui n'est pas nécessairement le cas dans mode de transport du fait de la manutention. Selon u n mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel que la première paroi latérale creuse munie d'ouverture(s) constitue l'ensemble des parties latérales du récipient. L'avantage associé à ce mode de réalisation réside dans le fait que ledit récipient permet une restitution, du froid de l'élément réfrigérant vers l'intérieur du récipient ou du chaud de l 'élément chauffant, qui soit isotrope. According to a preferred embodiment of the foregoing embodiments, the thermally insulating packaging according to the invention is such that it comprises two first hollow side walls located opposite each other. Such an arrangement makes it possible to obtain a homogeneous and optimum distribution of the cold irrespective of the position of the packaging in the type of transport used. Indeed, a positioning of the cooling element in the bottom of the container is inefficient, cold being downward. Furthermore, a positioning of the refrigerant element in the lid means that the packaging must remain in its initial position which is not necessarily the case in transport mode due to handling. According to a particular embodiment, the thermally insulating packaging according to the invention is such that the first hollow side wall provided with opening (s) constitutes all of the lateral parts of the container. The advantage associated with this embodiment lies in the fact that said container allows a restitution of the cold of the cooling element towards the interior of the vessel or the heater of the heating element, which is isotropic.
Selon u n mode de réalisation avantageux, l'emballage thermiquement isolant selon l'invention est tel que l'épaisseur de la première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège est inférieure à l'épaisseur de la seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. Ce mode de réalisation permet de mini miser la quantité de matériau utilisée mais également d 'assurer une meilleure résistance mécanique de la partie extérieure de l'emballage selon l'invention. Selon u n mode de réalisation avantageux, l'emballage thermiquement isolant selon l'invention est, tel qu'il comprend u n premier moyen de blocage des produits. Préférentiellement, ledit premier moyen de blocage des prod uits comprend, préférentiellement consistant en, une troisième feu ille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. Ladite troisième feuille étant apte à être insérée horizontalement au sein de l'emballage selon l'invention . Préférentiellement ladite troisième feuille est insérée au sein de second moyen de blocage, préférentiellement de second moyen de blocage de type mécanique de type rainure, lesdites rainures étant horizontales par rapport à la base du récipient. Plus préférentiellement, ladite troisième feuille à une d imension ou surface égale ou légèrement supérieure à la dimension ou surface horizontale intérieure du récipient afin de tenir compte de la profondeur de la rainu re. Le plus préférentiellement, ladite troisième feuille comprend une ou des ouverture(s). Ces ouvertures permettant d'accueilli r un ou plusieurs produits de toutes tailles. According to an advantageous embodiment, the thermally insulating packaging according to the invention is such that the thickness of the first sheet based on at least one isothermal insulating natural material of cellular or cork structure is less than the thickness of the second sheet based on at least one isothermal insulating natural material of alveolar structure or cork. This embodiment makes it possible to minimize the amount of material used but also to ensure a better mechanical strength of the outer part of the package according to the invention. According to an advantageous embodiment, the thermally insulating packaging according to the invention is such that it comprises a first product blocking means. Preferably, said first product blocking means comprises, preferably consisting of, a third lamp based on at least one isothermal insulating natural material of alveolar or cork structure. Said third sheet being able to be inserted horizontally within the packaging according to the invention. Preferably, said third sheet is inserted within second blocking means, preferably second groove type mechanical locking means, said grooves being horizontal relative to the base of the container. More preferably, said third sheet has a dimension or area equal to or slightly greater than the horizontal dimension or inner surface of the container to accommodate the depth of the groove. Most preferably, said third sheet comprises one or more apertures. These openings allow to welcome one or more products of all sizes.
Ainsi, u ne telle feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège permet, de par les propriétés d udit matériau, de réaliser une troisième feuille interchangeable et déplaçable au sein de différentes rainures et donc de créer un élément de blocage adapté au produit défini ; cela tout en étant suffisamment souple et flexible en vue de son insertion au sein du récipient et suffisamment rigide pour remplir la fonction de blocage, tout en permettant de maintenir une bonne qualité de dispersion thermique. Thus, such a sheet based on at least one isothermal insulating natural material of cellular or cork structure makes it possible, by virtue of the properties of said material, to produce a third interchangeable and movable sheet within different grooves and thus to create a blocking element adapted to the defined product; this while being sufficiently flexible and flexible for insertion into the container and rigid enough to fulfill the blocking function, while maintaining a good quality of thermal dispersion.
Selon un mode de réalisation préféré du mode précédent, l'emballage thermiquement isolant selon l'invention est tel que le premier moyen de blocage comprend au moins un orifice perforé ou plusieurs orifices perforés permettant de situer le produit conserver et/ou transporter à égale distance de l'ensemble des parois latérales constituant le récipient. Ainsi, il est possible de maintenir le produit conservé au sein de l'emballage à distance de la (des) paroi(s) latérale(s) creuse(s) munie(s) d'ouverture(s) et d'obtenir une distribution contrôlée de la chaleur ou du froid émanant respectivement d'un élément chauffant ou réfrigérant. According to a preferred embodiment of the preceding embodiment, the thermally insulating packaging according to the invention is such that the first blocking means comprises at least one perforated orifice or several perforated orifices making it possible to situate the product to be stored and / or transported at an equal distance. of all the side walls constituting the container. Thus, it is possible to keep the product stored within the package away from the hollow side wall (s) provided with aperture (s) and obtain a controlled distribution of heat or cold emanating respectively from a heating element or refrigerant.
Selon un mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel que le couvercle ou coiffe et/ou la base ne comprend(nent) pas au moins un troisième moyen de blocage de type évidement ou relief. Par les termes « troisième moyen de blocage de type évidement ou relief », on entend désigner le fait que le couvercle et/ou la base » est(sont) évidé(s) et/ou muni(s) d'excroissance(s) apte(s) à éviter tout mouvement des produits conservés dans l'emballage selon l'invention. Ainsi on obtient un emballage dont le procédé de fabrication est simplifié. According to a particular embodiment, the thermally insulating packaging according to the invention is such that the lid or cap and / or the base does not comprise at least one third locking means of recess or relief type. By the terms "third means of locking type recess or relief" is meant that the lid and / or the base "is (are) recessed (s) and / or provided (s) outgrowth (s) able to avoid any movement of the products preserved in the packaging according to the invention. Thus we obtain a package whose manufacturing process is simplified.
Selon un mode de réalisation préféré, l'emballage thermiquement isolant selon l'invention est tel qu'il comprend au moins un moyen de compartimentation, préférentiellement amovible, de la partie interne du récipient. Préférentiellement, ledit moyen de compartimentation comprend une quatrième feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. Plus préférentiellement, ledit moyen de compartimentation se présente sous la forme d'une paroi creuse, ladite paroi creuse étant constituée d'au moins une quatrième feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, d'une seconde lame de gaz, d'une cinquième feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, et un ou des seconds moyens de solidarisation à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, le(s)dit(s) seconds moyens étant situé(s) à la périphérie desdites feuilles. Selon une alternative, lesdites quatrième et/ou cinquième feuille peuvent être munies d'ouverture(s) et contenir un élément réfrigérant ou chauffant. Ainsi, l'utilisation d'un moyen de compartimentation permet de définir des espaces de stockage permettant la conservation de produits nécessitant des températures de conservation et/ou de transport différentes. According to a preferred embodiment, the thermally insulating packaging according to the invention is such that it comprises at least one means of compartmentalization, preferably removable, of the inner part of the container. Preferably, said compartmentalization means comprises a fourth sheet based on at least one isothermal insulating natural material of alveolar structure or cork. More preferably, said compartmentalization means is in the form of a hollow wall, said hollow wall consisting of at least a fourth sheet based on at least one isothermal insulating natural material of alveolar or cork structure, of a second gas strip, a fifth sheet based on at least one isothermal insulating natural material of honeycomb or cork structure, and one or second securing means based on at least one isothermal insulating material, preferably based on 'at least one material isothermal insulation of cellular structure, more preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, the said second means being located on the periphery of said sheets. According to an alternative, said fourth and / or fifth sheet may be provided with an opening (s) and contain a cooling or heating element. Thus, the use of a means of compartmentalization makes it possible to define storage spaces allowing the preservation of products requiring different storage and / or transport temperatures.
Selon un mode de réalisation préféré ou conforme à l'invention, l'emballage thermiquement isolant selon l'invention est tel qu'au moins une partie ou la totalité d'au moins une feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, est recouverte d'au moins un matériau isolant thermique et/ou d'un matériau apte au contact alimentaire. Ledit matériau isolant thermique est sélectionné parmi la paraffine, les préparations à base de poussière de liège telles que les préparations dite de colmatage, tout autre traitement de surface naturel. L'avantage associé à l'utilisation d'au moins un matériau isolant thermique déposé sur au moins une partie ou la totalité d'au moins une feuille base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, est qu'il permet d'en améliorer les propriétés isolantes mais également de conférer des propriétés additionnelles telles qu'une amélioration des propriétés hydrofuges, anti-feu ou antibactériennes audit élément. Ledit matériau isolant thermique est sélectionné préférentiellement parmi la paraffine et/ou les préparations à base de poussière de liège telles que les préparations dite de colmatage. According to a preferred embodiment or according to the invention, the thermally insulating packaging according to the invention is such that at least a part or all of at least one sheet based on at least one isothermal insulating natural material. of honeycomb or cork structure, is covered with at least one thermal insulating material and / or a material suitable for food contact. Said thermal insulating material is selected from paraffin, preparations based on cork dust such as so-called clogging preparations, any other natural surface treatment. The advantage associated with the use of at least one thermal insulating material deposited on at least a part or all of at least one base sheet of at least one isothermal insulating natural material of cellular or cork structure, is that it makes it possible to improve the insulating properties thereof but also to confer additional properties such as an improvement of the water-repellent, anti-fire or antibacterial properties to said element. Said thermal insulating material is preferably selected from paraffin and / or preparations based on cork dust such as so-called clogging preparations.
Selon un mode de réalisation ou conforme à l'invention, l'emballage thermiquement isolant selon l'invention est tel qu'il comprend un ou des moyens de rigidification, le ou lesdits moyen(s) étant situés dans la lame de gaz, le ou lesdits moyens comprenant une ou des unités en matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, la(es)dite(s) unité(s) se présentant sous forme d'excroissances émanant d'au moins une feuille à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, ou étant ajouté(s) à ladite feuille, lesdits moyens de rigidification comprenant également des premiers moyens de fixation, le(s)dit(s) premier(s) moyen(s) de fixation et la(es)dite(s) unité(s) de rigidification formant le ou les moyens de rigidification, étant confondus ou non. According to one embodiment or according to the invention, the thermally insulating packaging according to the invention is such that it comprises one or more stiffening means, the means (s) being located in the gas strip, the or said means comprising one or more units of isothermal insulating material, preferably based on at least one isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of alveolar or cork structure, ) said unit (s) being in the form of excrescences emanating from at least one sheet based on at least one isothermal insulating material, preferably based on less an isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of honeycomb or cork structure, or being added to said sheet, said stiffening means also comprising first fixing means, said (s) first (s) means (s) fixing and (s) said (s) stiffening unit (s) forming the stiffening means (s), being merged or not.
L'avantage associé audit(s) moyen(s) de rigidification est qu'ils permettent, par leur présence, de conférer à l'emballage thermiquement isolant une résistance et une rigidité constante indépendamment des dimensions des premières parois latérales creuses. II est à noter que la présence ou non desdits moyens de rigidification est liée à l'importance de la taille dudit emballage thermiquement isolant mais également à l'importance de la ou des première(s) paroi(s) latérale(s) creuse(s). The advantage associated with said means (s) stiffening is that they allow, by their presence, to give the thermally insulating package a constant strength and stiffness regardless of the dimensions of the first hollow side walls. It should be noted that the presence or absence of said stiffening means is related to the importance of the size of said thermally insulating package but also to the importance of the first hollow side wall (s) (s) ( s).
Préférentiellement, les unités de rigidification sont à base d'au moins un matériau naturel isolant isotherme à structure alvéolaire ou liège, plus préférentiellement à base de liège sous forme expansée (liège ayant été chauffé à haute température et gonflé d'air), naturelle (liège brut n'ayant subi aucun traitement, excepté l'ébouillantage) ou agglomérée (liège fabriqué à partir de granulés et/ou de poussière de liège auxquels on ajoute un liant, ledit liant pouvant être naturel ou synthétique, de préférence un liant convenant au contact direct alimentaire et respectant la santé et l'hygiène publique tel qu'une colle alimentaire polyuréthane par exemple ou toute résine naturelle non toxique tel que la subérine par exemple. Les unités de rigidification peuvent prendre de multiples formes telles que parallélépipédiques ou cylindriques ou autres. Préférentiellement, les unités de rigidification ont la forme d'un parallélépipède à base rectangulaire, un moyen de rigidification comprenant une telle unité formant par exemple une entretoise. Selon un mode de réalisation préféré, l'emballage thermiquement isolant selon l'invention est tel que la base (1 01 ) et les parois latérales forment un récipient de type monobloc. Par le terme monobloc, on entend désigner un emballage d'un seul bloc ne nécessitant pas de seconds moyens de solidarisation externe audit récipient. Preferably, the stiffening units are based on at least one isothermal insulating natural material with honeycomb or cork structure, more preferably based on cork in expanded form (cork having been heated at high temperature and inflated with air), natural ( raw cork not having undergone any treatment, except scalding) or agglomerated (cork made from granules and / or cork dust to which a binder is added, said binder may be natural or synthetic, preferably a binder suitable for direct food contact and respecting health and public hygiene such as a polyurethane food glue for example or any non-toxic natural resin such as suberin for example.The stiffening units can take many forms such as parallelepiped or cylindrical or other Preferably, the stiffening units are in the form of a parallelepiped with a base a rectangular means, a stiffening means comprising such a unit forming for example a spacer. According to a preferred embodiment, the thermally insulating packaging according to the invention is such that the base (1 01) and the side walls form a monoblock type container. The term "monobloc" is intended to denote a package made of a single block that does not require second means of securing externally to said container.
Selon u n mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel que le couvercle ou coiffe est muni de moyens de fermeture de la (des) lame(s) de gaz de la (des) première(s) paroi(s) latérale(s) creuse(s). Préférentiellement, lesd its moyens sont constitués d'excroissances émanant du couvercle, lesdites excroissances étant aptes à être insérées dans la lame de gaz de la (des) première(s) paroi(s) latérale(s) creuse(s). According to a particular embodiment, the thermally insulating packaging according to the invention is such that the lid or cap is provided with means for closing the gas (s) blade (s) of the (the) first wall (s) (s) lateral (s) hollow (s). Preferably, the average means consist of excrescences emanating from the cover, said protrusions being adapted to be inserted into the gas plate of the first (or) side wall (s) hollow (s).
Selon u n mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel qu'il comprend à la suite de la seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, une structure supplémentaire comprenant au moins une lame de gaz et une feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, Une telle structure feuille/ lame de gaz/seconde feuille/ lame de gaz/ première feuille comprenant au moins une ouverture conduit à une amélioration des propriétés d'isolation thermique. According to one particular embodiment, the thermally insulating packaging according to the invention is such that it comprises, following the second sheet based on at least one isothermal insulating natural material of honeycomb or cork structure, an additional structure comprising at least one gas strip and a sheet based on at least one isothermal insulating natural material of alveolar or cork structure, such a sheet / gas strip / second sheet / gas strip / first sheet structure comprising at least one opening to an improvement of the thermal insulation properties.
Selon u n mode de réalisation particulier, l'emballage thermiquement isolant selon l'invention est tel que les parois autres que la première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou lièges sont creuses ou non, lesdites autres parois si elles sont creuses comportant ou non des ouvertures su r la face interne du récipient. According to a particular embodiment, the thermally insulating packaging according to the invention is such that the walls other than the first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork are hollow or not, said other walls if they are hollow with or without openings on the inner face of the container.
Selon un mode de réalisation préféré, l'emballage thermiquement isolant selon l 'invention est constitué d'un réci pient à paroi latérale creuse qui comprend deux premières parois latérales creuses comprenant chacune u ne première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège munie d'ouverture(s), une lame de gaz, une seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, u ne base à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, une coiffe ou couvercle à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège permettant d 'assurer une fermeture hermétique de l 'emballage et d'éviter ainsi toute fuite de pont thermique favorisant le maintien de la température souhaitée au sein de l'emballage thermiquement isolant grâce à l'élément réfrigérant ou chauffant situé dans au moins une lame de gaz située dans au moins une des parois latérales creuses ; ledit em ballage comprenant deux parois latérales non creuses opposées l'une à l'autre, chacune desdites parois latérales non creuses étant constituée d'une feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, lesdites feuilles comprenant au moins un ou des premiers moyens de solidarisation de type mécanique tel qu'une rainure au sein desquelles la au mois première feuille constituant au moins une paroi latérale creuse est insérée par glissement, et au moins un ou des premiers moyens de solidarisation de type chimique tel qu'un adhésif ou autocollant double face, ledit ou lesd its moyens de solidarisation de type chimique maintenant les feui lles à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège entrent elles, le(s)dit(s) moyen(s) étant situé(s) à la périphérie desdites feuilles à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. According to a preferred embodiment, the thermally insulating packaging according to the invention consists of a hollow-side container which comprises two first hollow side walls each comprising a first sheet based on at least one natural insulating material. isothermal structure honeycomb or cork provided with opening (s), a gas blade, a second sheet based on at least one isothermal insulating natural material honeycomb structure or cork, u base based on at least one material natural isothermal insulation of cellular or cork structure, a cap or cover based on at least one insulating natural insulating material of alveolar or cork structure to ensure a hermetic closure of the package and thus avoid any thermal bridge leakage promoting the maintenance of the desired temperature within the thermally insulating package by means of the cooling or heating element located in at least one blade gas located in at least one of the hollow side walls; said package comprising two hollow non-hollow side walls opposite each other, each of said hollow side walls being constituted by a sheet based on at least one isothermal insulating natural material of alveolar or cork structure, said sheets comprising at least one or more mechanical type of solidarization means such as a groove in which the first month sheet constituting at least one hollow side wall is inserted by sliding, and at least one or more first chemical type of fastening means; such as a double-sided adhesive or sticker, said one or more of its chemical type of fastening means now the sheets based on at least one isothermal insulating natural material of honeycomb structure or cork enter them, said (s) ) means (s) being located (s) on the periphery of said sheets based on at least one isothermal insulating natural material of honeycomb structure or cork.
Selon u n mode de réalisation conforme à l'invention , l'emballage thermiquement isolant selon l'invention est muni d' un système de poignées afin d'en faciliter son transport. Ce système pouvant être fixé directement sur l'emballage ou bien sur des enveloppes extérieures afin d'en faciliter son portage et/ou son transport De plus, l'embal lage thermiquement isolant selon l'invention peut être insérer au sein d'un élément ou enveloppe de forme et de taille sensiblement plus grande de quelques milli mètres seulement dudit emballage de sorte que l'emballage selon l'invention puisse épouser pleinement les faces internes de ladite enveloppe existante facilitant ainsi son insertion. L'emballage thermiquement isolant selon l'invention est apte à être inséré dans toute enveloppe extérieure à base de matériau naturel, composite, synthétique, métallique, minérale, tissu /cuir. Les modes de réalisation de l'emballage thermiquement isolant selon l'invention ne se limitent pas aux modes exposés ci-avant mais peuvent également résulter d'une combinaison de deux ou plusieurs d'entre eux. According to an embodiment according to the invention, the thermally insulating packaging according to the invention is provided with a system of handles to facilitate its transport. This system can be fixed directly on the packaging or on outer envelopes to facilitate its carrying and / or transport In addition, the thermally insulating packaging according to the invention can be inserted into an element or envelope of substantially larger shape and size of only a few milli meters of said packaging so that the package according to the invention can fully marry the internal faces of said existing envelope thus facilitating its insertion. The thermally insulating packaging according to the invention is capable of being inserted into any outer casing based on natural material, composite, synthetic, metallic, mineral, fabric / leather. The embodiments of the thermally insulating packaging according to the invention are not limited to the modes described above but may also result from a combination of two or more of them.
Le procédé de fabrication de l'emballage thermiquement isolant selon l'invention est un procédé est tel qu 'il comprend au moins une étape de fabrication d'au moins une paroi latérale creuse du réci pient par moulage ou par assemblage. The method of manufacturing the thermally insulating package according to the invention is a method such that it comprises at least one step of manufacturing at least one hollow side wall of the container by molding or assembly.
D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement à la lecture de la description suivante d'un mode de réalisation préférentiel, donné à titre de simple exemple illustratif et non limitatif, et des dessins annexés, lesdits dessins n 'étant pas à l 'échelle, parmi lesquels : Other characteristics and advantages of the invention will appear more clearly on reading the following description of a preferred embodiment, given as a simple illustrative and nonlimiting example, and the accompanying drawings, said drawings not being on the scale, among which:
• la figure 1 présente une vue prise du dessus d'un réci pient (1 0) constitué par une base en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 01 ) et de quatre parois latérales en feuille à base d'au moins un matériau naturel isolant isotherme de structu re alvéolaire ou liège les parois latérales creuses n'étant pas encore réalisées, deux parois latérales opposées sont munies de premiers moyens de solidarisation mécaniques sous forme de rainures verticales (1 003) par rapport à la base (1 01 ) du réci pient (1 0), lesd ites parois étant également munies de seconds moyens de solidarisation sous forme de rain ures horizontales (1 05) par rapport à la base (1 01 ) du récipient (1 0). FIG. 1 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and of four lateral walls. in sheet based on at least one isothermal insulating natural material of alveolar structure or cork, the hollow side walls not having yet been produced, two opposite side walls are provided with first mechanical fastening means in the form of vertical grooves (1003 relative to the base (1 01) of the container (1 0), the walls also being provided with second securing means in the form of horizontal grooves (1 05) relative to the base (1 01) of the container. (1 0).
· La figu re 2 illustre une vue d'une première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000), ladite feuille comprenant des ouvertures (1 004).  FIG. 2 illustrates a view of a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000), said sheet comprising openings (1004).
• La figure 3 présente une vue d'un premier moyen de bocage (1 06) sous forme d 'une troisième feuille de liège (1 060) comprenant des orifices perforés (1 061 ).  FIG. 3 shows a view of a first grooving means (106) in the form of a third cork sheet (1060) comprising perforated orifices (1 061).
· La figure 4 présente u ne vue prise du dessus d'un récipient (1 0) constitué par une base en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 01 ) et de quatre parois latérales en feuille à base d'au moins un matériau naturel isolant isotherme de structu re alvéolaire ou liège, la paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) comprenant une première feuille à base d 'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins u ne partie de l'intérieur du récipient, une lame de gaz (1 001 ), une seconde feui lle à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 002) et des premiers moyens de solidarisation (1 003). FIG. 4 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and four side walls. in sheet based on at least one isothermal insulating natural material of alveolar or cork structure, the wall hollow lateral membrane based on at least one isothermal insulating natural material of alveolar or cork structure (100) comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with an opening (s) (1 004) on at least a portion of the face constituting at least a part of the interior of the container, a gas blade (1 001), a second sheet of at least one natural material insulated insulation of honeycomb structure or cork (1 002) and first securing means (1 003).
• La figu re 5 illustre une vue de face par le dessus du récipient (1 0) présentant une base (1 01 ) et une paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) comprenant une première feuille à base d 'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) sur au moi ns une partie de la face constituant au moins une partie de l'intérieur du récipient, une lame de gaz, une seconde feuille à base d'au moins un matériau naturel isolant isotherme de structu re alvéolaire ou liège (1 002) et des premiers moyens de solidarisation (1 003).  FIG. 5 illustrates a front view from above of the container (1 0) having a base (1 01) and a hollow side wall based on at least one isothermal insulating natural material of alveolar or cork structure (1 00). ) comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with aperture (s) (1004) on the e ns a part of the face constituting at least a part from inside the container, a gas strip, a second sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1002) and first securing means (1003).
• La figure 6 présente u ne vue prise du dessus d'un récipient (1 0) constitué par une base en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 01 ) et de quatre parois latérales en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, ledit récipient (1 0) comprenant deux paroi latérales creuses à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) opposées l 'une à l'autre, lesdites parois comprenant chacune une première feuille à base d'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins une partie de l'intérieur du récipient, une lame de gaz (1 001 ), une seconde feuille à base d 'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège (1 002) et des premiers moyens de solidarisation (1 003).  FIG. 6 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and four side walls. in sheet based on at least one isothermal insulating natural material of honeycomb or cork structure, said container (1 0) comprising two hollow side walls based on at least one isothermal insulating natural material of alveolar structure or cork (100) opposed to each other, said walls each comprising a first sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1000) provided with aperture (s) (1004) on at least a part of the face constituting at least a part of the inside of the container, a gas blade (1 001), a second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002) and first means of s olidarisation (1,003).
• La figure 7 présente u ne vue prise du dessus d'un récipient (1 0) constitué par une base en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 01 ) et de quatre parois latérales en feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, ledit récipient (1 0) comprenant deux paroi latérales creuses à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) opposées l 'une à l'autre, lesdites parois comprenant chacune une première feuille à base d'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins une partie de l'intérieur du récipient, une lame de gaz (1 001 ), une seconde feuille à base d 'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège (1 002) et des premiers moyens de solidarisation (1 003), le récipient comprenant un premier moyen de bocage (1 06) sous forme d'une troisième feuille de l iège (1 060) comprenant des orifices perforés (1 061 ) insérée au sein de seconds moyens de solidarisation sous forme de rainures horizontales (1 05) par rapport à la base (1 01 ) du récipient (1 0). FIG. 7 shows a view taken from above of a container (1 0) constituted by a sheet base based on at least one isothermal insulating natural material of alveolar or cork structure (1 01) and of four side walls. in sheet based on at least one isothermal insulating natural material of alveolar or cork structure, said container (1 0) comprising two hollow side walls based on at least one isothermal insulating natural material of honeycomb structure or cork (1 00) opposite to each other, said walls each comprising a first sheet based on less a natural isothermal insulation material of honeycomb structure or cork (1000) provided with opening (s) (1 004) on at least a portion of the face constituting at least a portion of the interior of the container, a gas blade (1 001), a second sheet based on at least one isothermal insulating natural material of alveolar or cork structure (1002) and first securing means (1003), the container comprising a first grooving means (1 06). ) in the form of a third cork sheet (1 060) comprising perforated orifices (1 061) inserted into second securing means in the form of horizontal grooves (1 05) with respect to the base (1 01) of the container (1 0).
• La figu re 8 présente une coupe transversale de la vue présentée en figure 7 avec vue sur la première feuille en à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000).  • Figure 8 shows a cross section of the view shown in Figure 7 with a view of the first sheet based on at least one isothermal insulating natural material honeycomb structure or cork (1000).
· La figure 9 présente u ne vue prise du dessus d'un récipient (1 0) illustré à la figure 7, led it récipient comprenant un élément réfrigérant ou chauffant (1 02) au sein de la lame de gaz (1 001 ) de la paroi latérale creuse (1 00).  FIG. 9 shows a view taken from above of a container (1 0) illustrated in FIG. 7, led it container comprising a cooling or heating element (1 02) within the gas blade (1 001) of the hollow side wall (100).
• La figu re 1 0 présente a) un couvercle thermiquement isolant à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 2) muni d'excroissances (1 2 1 ) aptes à refermer l'emballage thermiquement isolant selon l'invention de la figure 1 0 b), les excroissances (1 2 1 ) refermant les lames de gaz (1 001 ).  FIG. 10 presents a) a thermally insulating cover based on at least one isothermal insulating natural material of alveolar or cork structure (1 2) provided with excrescences (1 2 1) able to close the thermally insulating packaging according to the invention of Figure 1 0 b), the excrescences (1 2 1) closing the blades of gas (1 001).
• La figu re 1 1 présente une coupe transversale horizontale d'un em ballage thermiquement isolant à base d'au moins u n matériau naturel isolant isotherme de structure alvéolaire ou liège selon l 'invention, comprenant au moins une première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) comprenant au moins une ouverture non représentée, une lame de gaz (1 001 ), une seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 002) et des premiers moyens de solidarisation (1 003) entre lesdites feuilles à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000, 1 002), lesd its premiers moyens (1 003) étant situés à la périphérie desd ites feuilles ou à la périphérie de l'une et/ou de l'autre desdites feuilles (1 000, 1 002) à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège, l'emballage étant muni d'un moyen de compartimentation (1 07) de la partie interne du récipient (1 0) se présentant sous la forme d'une paroi creuse, ladite paroi creuse étant constituée d'au moins une quatrième feuille à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 070), d'une seconde lame de gaz (1 071 ), d'une cinquième feuille à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 072) et un ou des seconds moyens de solidarisation à base d'au moins un matériau isolant isotherme, préférentiellement à base d'au moins un matériau isolant isotherme de structure alvéolaire, plus préférentiellement à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège entre lesdites feuilles, le(s)dit(s) seconds moyens étant situé(s) à la périphérie desdites feuilles, ledit moyen de séparation étant maintenu par un second moyen de fixation sous forme d'un système d'encoche ou rainure (1 08). FIG. 11 shows a horizontal cross-section of a heat-insulating packaging based on at least one isothermal insulating natural material of cellular or cork structure according to the invention, comprising at least a first sheet based on less a natural isothermal insulating material of honeycomb or cork structure (1000) comprising at least one not shown aperture, a gas strip (1001), a second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002) and first securing means (1003) between said sheets based on at least one isothermal insulating natural material of cellular or cork structure (1000, 1002), the first means thereof (1003) being located on the outskirts of the city sheets or on the periphery of one and / or the other of said sheets (1000, 1 002) based on at least one isothermal insulating natural material of honeycomb or cork structure, the package being provided with a means for compartmentalization (1 07) of the inner part of the container (1 0) in the form of a hollow wall, said hollow wall consisting of at least a fourth sheet based on at least one insulating insulating material , preferably based on at least one isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of honeycomb or cork structure (1 070), of a second gas strip (1 071) a fifth sheet based on at least one isothermal insulating material, preferably based on at least one isothermal insulating material of cellular structure, more preferably based on at least one isothermal insulating natural material of alveolar structure; or cork (1 072) and one or second securing means based on at least one isothermal insulating material, preferably based on at least one isothermal insulating material of cellular structure, more preferably based on at least one insulating natural insulating material of honeycomb structure or cork between said sheets, said second means being located at the periphery of said sheets, said separating means being held by a second fixing means in the form of a notch or groove system (1 08).
Bien entendu, l'invention n'est pas limitée aux exemples de réalisation mentionnés ci-dessus. En particulier, l'Homme du Métier pourra apporter toute variante dans la forme externe et interne, la capacité de contenance de l'emballage thermiquement isolant dans la morphologie des moyens de solidarisation, des unités et des moyens de rigidification et de fixation, dans le positionnement des première et seconde feuilles en regard l'une de l'autre constituant l'emballage thermiquement isolant selon l'invention. 6. Description d'un mode de réalisation de l'invention Of course, the invention is not limited to the embodiments mentioned above. In particular, the skilled person may provide any variant in the external and internal form, the capacity of capacity of the thermally insulating packaging in the morphology of the securing means, the units and stiffening and fixing means, in the positioning the first and second sheets facing each other constituting the thermally insulating packaging according to the invention. 6. Description of an embodiment of the invention
Un exemple d'un emballage thermiquement isolant selon l'invention est présenté ci-après. Ledit emballage (1 ) est constitué d'un couvercle ou coiffe (1 1 ) et d'un récipient (1 0) comprenant une base (1 02) à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège et un ensemble de quatre parois latérales à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. Lesdites quatre parois latérales comprenant une feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. Lesdites feuilles étant solidarisées entre elles et avec la base (1 02) par des moyens type mécan ique tel que rainure, feuillure, mortaise, tenon, trou borgne, cheville, etc.. et/ou ch imique tels que des colles, mastics et adhésifs. Préférentiellement, on entend désigner des moyens de solidarisation de type mécanique tel qu'une rainure ou chimique tels que des adhésifs doubles faces. Deux desdites parois latérales sont des parois creuses comprenant chacune une première feuille en liège (1 000) munie d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins u ne partie de l' intérieur du récipient, une lame de gaz (1 001 ), une seconde feuille en liège (1 002) et des premiers moyens de solidarisation (1 003) entre lesdites feuilles en liège, le(s)dit(s) premier(s) moyens (1 003) étant situé(s) à la périphérie desdites feuilles (1 000, 1 002). Lesdites parois latérales creuses étant situées à l'opposé l'u ne de l'autre. Les premiers moyens de sol idarisation (1 003) sont de type mécanique tel que des rainures. Lesdites rainures sont creusées sur les faces intérieures des parois non creuses. Deux premières feuilles en liège (1 000) munies d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins une partie de l'intérieu r du récipient est insérée au sein des rainu res (1 003) de manière à obtenir deux parois creuses opposées l'une à l'autre.. Chaque lame de gaz (1 001 ) contient un élément réfrigérant (1 02). Un premier moyen de blocage, ledit premier moyen de blocage comprenant une troisième feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 060) est insérée horizontalement au sein de l'emballage selon l'invention. Préférentiellement ladite troisième feuille est insérée au sein de rainures. Préférentiellement, ladite troisième feuille comprend un ou des orifices perforés. Ledit emballage comprend un couvercle en liège (1 2) munis d'excroissances (1 21 ) apte à refermer les parties su périeures des lames de gaz de manière à éviter tout pont thermique. An example of a thermally insulating package according to the invention is presented below. Said package (1) consists of a lid or cap (1 1) and a container (1 0) comprising a base (1 02) based on at least one natural insulating material isothermal honeycomb or cork and a set of four side walls based on at least one isothermal insulating natural material honeycomb structure or cork. Said four side walls comprising a sheet based on at least one isothermal insulating natural material of honeycomb or cork structure. Said sheets being secured together and with the base (1 02) by mechanical means such as groove, rabbet, mortise, tenon, blind hole, ankle, etc. and / or ch imic such as glues, mastics and adhesives. Preferably, it is intended to designate mechanical type of fastening means such as a groove or chemical such as double-sided adhesives. Two of said sidewalls are hollow walls each comprising a first cork sheet (1000) provided with aperture (s) (1004) on at least a portion of the face constituting at least a portion of the interior of the container , a gas blade (1001), a second cork sheet (1002) and first securing means (1003) between said cork sheets, said first means (1), 003) being located on the periphery of said sheets (1,000, 1,002). Said hollow side walls being located opposite the one of the other. The first grounding means (1 003) are of the mechanical type such as grooves. Said grooves are hollowed on the inner faces of the hollow walls. First two cork sheets (1000) provided with aperture (s) (1004) on at least a portion of the face constituting at least part of the interior of the container is inserted into the grooves (1003). ) so as to obtain two hollow walls opposite to each other. Each gas blade (1 001) contains a cooling element (1 02). A first blocking means, said first blocking means comprising a third sheet based on at least one isothermal insulating natural material of honeycomb structure or cork (1 060) is inserted horizontally within the package according to the invention. Preferably said third sheet is inserted into grooves. Preferably, said third sheet comprises one or more perforated orifices. Said packaging comprises a cork cover (1 2) provided with protuberances (1 21) able to close the upper parts of the gas strips so as to avoid any thermal bridge.

Claims

REVENDICATIONS
1 . Emballage thermiquement isolant (1 ) comprenant un couvercle ou coiffe (1 2) et un récipient (1 0), ledit réci pient (1 0) comprenant au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) et une base (1 01 ) caractérisé en ce que lad ite au moins une première paroi latérale creuse (1 00) comprend au moins une première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) sur au moins une partie de la face constituant au moins une partie de l'intérieur du récipient, une lame de gaz (1 001 ), une seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 002) et un ou des premiers moyens de solidarisation (1 003) desdites feuilles (1 000, 1 002), le(s)dit(s) premier(s) moyens (1 003) étant à base d'au moins un matériau isolant isotherme et étant situé(s) à la périphérie desdites feuilles (1 000, 1 002) à base d 'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège et/ou un ou des seconds moyens de solidarisation externe audit récipient, ladite au moins une première paroi latérale creuse comprenant au moins u n élément réfrigérant ou chauffant (1 02), led it élément réfrigérant ou chauffant (1 02) étant inséré au sein de la au moins une première paroi latérale creuse (1 00). 1. Thermally insulating packaging (1) comprising a lid or cap (1 2) and a container (1 0), said container (1 0) comprising at least a first hollow side wall based on at least one insulating natural insulating material of honeycomb structure or cork (1 00) and a base (1 01) characterized in that the lad ite at least a first hollow side wall (1 00) comprises at least a first sheet based on at least one insulating natural insulating material of honeycomb or cork structure (1000) provided with opening (s) (1 004) on at least a portion of the face constituting at least a part of the interior of the container, a blade of gas (1 001), a second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002) and one or more first fastening means (1003) of said sheets (1000, 1002), said (s) ) first means (1003) being based on at least one isothermal insulating material and being located at the periphery of said sheets (1000, 1002) based on at least one isothermal insulating natural material of honeycomb or cork structure and / or one or second external securing means to said container, said at least one first hollow side wall comprising at least one cooling or heating element (1 02), led it coolant element or heating (1 02) being inserted within the at least a first hollow side wall (1 00).
2. Emballage thermiquement isolant (1 ) selon la revend ication 1 , tel que la au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) ne contient qu'u ne seule lame de gaz (1 001 ).  2. Thermally insulating packaging (1) according to revendication 1, such that the at least one first hollow side wall based on at least one isothermal insulating natural material of honeycomb structure or cork (1 00) contains only one only gas blade (1,001).
3. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel que la surface de la lame de gaz (1 001 ) de la au moins une première paroi latérale creuse à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 00) est au moins égale à 90% de la surface de la au moins une première feuille (1 000) et/ou de la au moins une second feuille (1 002) correspondante(s). 3. The thermally insulating package (1) according to any one of the preceding claims, such as the surface of the gas strip (1 001) of the at least one first hollow side wall based on at least one isothermal insulating natural material of cellular or cork structure (100) is at least 90% of the area of the at least one first sheet (1000) and / or the at least one corresponding second sheet (1002).
4. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel qu' il comprend deux premières parois latérales creuses (1 00) situées à l'opposé l 'une de l'autre. 4. The thermally insulating package (1) according to any one of the preceding claims, wherein it comprises two first hollow sidewalls (100) located opposite one another.
5. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel que la au moins une première paroi latérale creuse (1 00) constitue l'ensemble des parties latérales du récipient (1 0).  5. Thermally insulating packaging (1) according to any one of the preceding claims, such that the at least one first hollow side wall (1 00) constitutes all of the lateral parts of the container (1 0).
6. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel que l'épaisseur de la première feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 001 ) est inférieure à l'épaisseur de la seconde feuille à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège(l 002).  6. Thermally insulating packaging (1) according to any one of the preceding claims, such that the thickness of the first sheet based on at least one isothermal insulating natural material of cellular or cork structure (1 001) is less than thickness of the second sheet based on at least one isothermal insulating natural material of alveolar structure or cork (1002).
7. Emballage thermique isolant (1 ) selon une quelconque des revendications précédentes, tel qu'il comprend un premier moyen de blocage des produits (1 06).  The insulating thermal package (1) according to any one of the preceding claims, comprising a first product blocking means (106).
8. Emballage thermique isolant (1 ) selon la revendication précédente, tel que ledit premier moyen de blocage des produ its (1 06) comprend une troisième feuille (1 060) à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège.  8. Thermal insulating packaging (1) according to the preceding claim, such that said first product blocking means (1 06) comprises a third sheet (1 060) based on at least one isothermal insulating natural material of honeycomb structure or cork.
9. Emballage thermique isolant (1 ) selon la revendication précédente, tel que la troisième feuille (1 060) comprend au moi ns un orifice perforé ou plusieurs orifices perforés (1 061 ).  9. Insulating thermal package (1) according to the preceding claim, such that the third sheet (1 060) comprises at least a perforated orifice or perforated orifices (1 061).
1 0. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel qu'il comprend au moins u n moyen de compartimentation (1 07) de la partie interne du réci pient (1 0).  10. The thermally insulating package (1) according to any one of the preceding claims, wherein it comprises at least one means of compartmentalization (1 07) of the inner part of the container (1 0).
1 1 . Emballage thermiquement isolant (1 ) selon la revendication 1 0, tel que le moyen de compartimentation (1 07) de la partie interne du récipient (1 0) comprend une quatrième feuille (1 070) à base d'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège. 1 1. Thermally insulating packaging (1) according to claim 1 0, such that the compartmentalizing means (1 07) of the inner part of the container (1 0) comprises a fourth sheet (1 070) based on at least one natural insulating material isothermal honeycomb structure or cork.
1 2. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel que la base (1 01 ) et les parois latérales forment un récipient de type monobloc. The thermally insulating package (1) according to any one of the preceding claims, such that the base (110) and the side walls form a monoblock type container.
1 3. Emballage thermiquement isolant (1 ) selon u ne quelconque des revendications précédentes, tel que le couvercle un couvercle ou coiffe (1 2) est muni de moyens de fermeture de la (des) lame(s) de gaz (1 001 ) de la (des) première(s) paroi(s) latérale(s) creuse(s) (1 00).  3. Thermally insulating packaging (1) according to any one of the preceding claims, such as the lid or cover (1 2) is provided with means for closing the blade (s) of gas (1 001). of the first (s) side wall (s) hollow (s) (1 00).
1 4. Emballage thermiquement isolant selon une quelconque des revendications précédentes, tel que le(s)dits premiers moyens de solidarisation (1 003) sont de type mécanique et/ou chimique.  4. Thermally insulating packaging according to any one of the preceding claims, such that the said first securing means (1 003) are of mechanical and / or chemical type.
1 5. Procédé de fabrication d'un emballage thermiquement isolant (1 ) décrit dans les revendications 1 à 1 4 tel qu'il comprend au moins une étape de fabrication d'au moins une première paroi latérale creuse (1 00) du récipient (1 0) par moulage et/ou glissement d'au moins une première feuille à base d 'au moins un matériau naturel isolant isotherme de structure alvéolaire ou liège (1 000) munie d'ouverture(s) (1 004) au sein du ou desdits premiers moyens de solidarisation (1 003) .  A method of manufacturing a thermally insulating package (1) as described in claims 1 to 14, which comprises at least one step of manufacturing at least a first hollow side wall (100) of the container ( 1 0) by molding and / or sliding at least a first sheet based on at least one isothermal insulating natural material of cellular or cork structure (1000) provided with opening (s) (1004) within the or said first securing means (1003).
PCT/EP2014/063182 2013-06-24 2014-06-23 Thermally insulating wrapper with hollow wall(s) provided with at least one material made from an isothermal insulating material and method for manufacturing same WO2014206941A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE2013/0439 2013-06-24
BE2013/0439A BE1022171B1 (en) 2013-06-24 2013-06-24 THERMALLY INSULATING ELEMENT WITH HOLLOW WALL (S) BASED ON NATURAL MATERIAL OF ALVEOLAR STRUCTURE OR CORK FOR ISOTHERMAL PACKAGING
BE2014/0278 2014-04-22
BE2014/0278A BE1022570B1 (en) 2014-04-22 2014-04-22 THERMALLY INSULATING PACKAGE WITH A HOLLOW WALL (S) PROVIDED WITH AT LEAST ONE OPENING BASED ON ISOTHERMALLY INSULATING MATERIAL

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH147246A (en) * 1930-04-11 1931-05-31 Schlittler Tschudi E Storage and transport container for items to be cooled.
FR1046176A (en) * 1951-06-07 1953-12-03 Portable ice-cooled refrigerator and method of manufacturing said refrigerator
WO1995025253A1 (en) * 1994-03-15 1995-09-21 Premark Feg Corporation Element having a double heat transfer function for isothermal chambers, and isothermal chamber provided therewith
WO1998043028A1 (en) * 1997-03-27 1998-10-01 Foremost In Packaging Systems, Inc. Improved insulated shipping container
EP1074483A1 (en) * 1999-07-30 2001-02-07 Saldogas S.r.l. Isothermal container with refrigerating means
DE20018635U1 (en) * 2000-10-31 2001-03-01 Dade Behring Marburg Gmbh Insulated container
US6619500B1 (en) * 1996-04-16 2003-09-16 Gary W. Lantz Compartmentalized insulated shipping container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH147246A (en) * 1930-04-11 1931-05-31 Schlittler Tschudi E Storage and transport container for items to be cooled.
FR1046176A (en) * 1951-06-07 1953-12-03 Portable ice-cooled refrigerator and method of manufacturing said refrigerator
WO1995025253A1 (en) * 1994-03-15 1995-09-21 Premark Feg Corporation Element having a double heat transfer function for isothermal chambers, and isothermal chamber provided therewith
US6619500B1 (en) * 1996-04-16 2003-09-16 Gary W. Lantz Compartmentalized insulated shipping container
WO1998043028A1 (en) * 1997-03-27 1998-10-01 Foremost In Packaging Systems, Inc. Improved insulated shipping container
EP1074483A1 (en) * 1999-07-30 2001-02-07 Saldogas S.r.l. Isothermal container with refrigerating means
DE20018635U1 (en) * 2000-10-31 2001-03-01 Dade Behring Marburg Gmbh Insulated container

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