EP1382777A1 - Zusammengesetztes wärmeisolierendes Unterzelt für extreme Umgebungen und Material hierfür - Google Patents

Zusammengesetztes wärmeisolierendes Unterzelt für extreme Umgebungen und Material hierfür Download PDF

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Publication number
EP1382777A1
EP1382777A1 EP03077235A EP03077235A EP1382777A1 EP 1382777 A1 EP1382777 A1 EP 1382777A1 EP 03077235 A EP03077235 A EP 03077235A EP 03077235 A EP03077235 A EP 03077235A EP 1382777 A1 EP1382777 A1 EP 1382777A1
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EP
European Patent Office
Prior art keywords
structure according
polypropylene
polyester
layer
insulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03077235A
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English (en)
French (fr)
Inventor
Paul-Denis Samec
Hugues-Arnaud Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Abeil SA
Original Assignee
Abeil SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abeil SA filed Critical Abeil SA
Publication of EP1382777A1 publication Critical patent/EP1382777A1/de
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/54—Covers of tents or canopies

Definitions

  • the present invention relates to the technical sector of usable tents in extreme conditions such as cold or intense heat, lack of heating or air conditioning available on site, with applications for humanitarian operations, high operations mountain, sea survival, rescue operations in general, the insulation of temporary or permanent premises, in particular of relief, and similar applications which will become apparent to the man of job.
  • the common problem posed is obtaining excellent insulation summer / winter thermal especially in extreme conditions, which must be imperatively combined with maximum lightness.
  • thermal insulation characteristics are such that they make it possible to avoid or minimize the use of heating booster always dangerous in such contexts, because often flame vice (wood or gas).
  • tents able to be quickly set up, easily transportable, especially by air, to either poor or desert areas, or destroyed by a natural event or not, i.e. areas where no heating and / or air conditioning infrastructure, depending on the season, exists or does not subsist.
  • tents consist of either a single layer of fabric, forming a roof and side flaps, two layers of fabric.
  • the present invention resides in a sub-tent (i.e. a structure in the form of a tent intended to be placed under a conventional tent roof in waterproof fabric) in insulating flat structure, in particular structure composite itself composed of a complexation of two layers "Textiles” (an inner layer and an outer layer) between which is arranged a layer of "filling" capable of creating a "layer insulating air ”and minimizing the thermal bridges between the two layers indoor and outdoor.
  • a sub-tent i.e. a structure in the form of a tent intended to be placed under a conventional tent roof in waterproof fabric
  • structure composite itself composed of a complexation of two layers "Textiles" (an inner layer and an outer layer) between which is arranged a layer of "filling" capable of creating a "layer insulating air ”and minimizing the thermal bridges between the two layers indoor and outdoor.
  • interior (INT in the figures) is meant the interior of the tent, and the corresponding direction or exposure.
  • Exterior naturally designates the reverse (EXT in the figures).
  • air insulating layer is meant a volume comprising a maximum of pockets, channels, open or closed volumes comprising air, the assembly being formed by a non-compact fibrous structure or by any expanded or formed material.
  • air including structures of the type known as "honeycombs", in flat material “deployed”, that is to say a flat material such as a nonwoven deployed around longitudinal slots ( by analogy with a well known “expanded metal”), the nonwoven possibly being stiffened by a resin or other coating or impregnation so as to retain its shape, once deployed, after having been transported in planar form, or even in strong foams. porosity, and similar materials well known.
  • a preferred “ lining ” material is made up of fibers, the nature of which is chosen according to the climate and whether or not there is protection against rain and humidity: in wet conditions, natural fibers are avoided, such as cotton and the like, which rot quickly, and absorb moisture, thus considerably increasing the structure, and we will choose synthetic fibers made of polypropylene, polyesters (the best effect is obtained with a polyester of any type, mono- or bi-component, including “hollow fiber” or hollow fiber), or Nylons TM, in particular formed by a structure in superimposed veils, while in dry climate conditions, natural fibers of all kinds can also be used, such as a fabric (woven) or knitted (preferably known as "locked mesh") made of cotton, sisal, hemp, wool, linen, burlap, and similar natural fibers, often available locally, well known s of the skilled person.
  • Insulating layer or “Air insulating layer” means for simplicity, in the present application, including the claims, the whole of the above definition, as well as the technical equivalents which will be readily accessible to humans. job. This is also true for the term “garnish”.
  • textile or fabric or woven will be used throughout the present application, including in the claims, a textile product such as a fabric, knitted fabric or the like, or a non-woven (or non-woven ) fabric , of possibly particular structure such as a veil , or as a laminated structure such as for example superimposed webs, or a structure formed by at least two identical or different “textile” layers glued or sewn together, for example a layer of fabric and a layer of non woven, the latter possibly being metallized on at least one face, and the like.
  • textile unless otherwise expressly indicated, will designate, throughout the present application, including in the claims, all of these definitions, for simplicity.
  • a veil structure is obtained from bales of fibers by opening and carding these fibers, in order to make them substantially parallel to one another, after which, on leaving the machine, generally in 3 m in width, a veil of fibers is produced, of the order of 10 or 20 to 50 g / m2, and there are back and forth of the machine successive layers of the continuous veil.
  • This superposition of sails constitutes the lining.
  • this “veil” will not be substantially compressed in order to allow the insulating air layer to remain.
  • Waterproof means a structure that does not let pass rain or condensation water, but which is sufficiently micro porous to ensure the passage of air and water vapor, (this last characteristic being called “breathability”). Such a structure is therefore not “waterproof”.
  • TOG means a standardized test to assess the insulation thermal.
  • a problem is to reach a TOG index of at least 5, which corresponds to the possibility of bypassing the auxiliary heating. It's about of a very ambitious goal, and it is surprising that some of the structures according to the invention reach it. Other structures are approaching this index, and constitute very good compromises according to climatic conditions, possibilities or not of safe backup heating, and other parameters.
  • Man's profession will be able to define the possible combinations and adaptations, on reading of the description which follows.
  • the inner textile layer may be the same or different from the layer Outdoor "textile”.
  • the material of these “textile” layers is any type of material natural or synthetic, woven or non-woven (or non-woven), having as main characteristic the required characteristics of breathability, that is to say a woven or non-woven material microporous with air and steam.
  • At least the internal face of the layer internal textile is flame retardant or flame retardant, so as to resist fire resulting from a backup heater or a “domestic” accident such as a cooking fire or the like.
  • At least the outer face of the outer textile layer is waterproof. This allows either resist leakage from the first usual fabric tent, when the tent has one, or to advantageously replace said tent first in fabric tent.
  • said planar structure has a completely waterproof exterior and possibly without breathability characteristic, and is provided with sufficient mechanical properties, in particular resistance to puncture, by example a rubber or similar material face, when said structure is intended to be placed as a floor mat or under a floor mat.
  • said planar structure according to the invention has an outer sheet of polypropylene, polyester, polyester high density, or any plastic or "plastic" cover, to rainy climates.
  • the "textiles" constituting the outer and inner layers may have a grammage of the order of 100 to 300 g / m2, depending on the envisaged applications and the climates concerned, also according to whether or not there is a first fabric tent, an auxiliary heater, and other similar parameters, the weight of which is acceptable.
  • the textile is for example at 30, 50, 100 g / m2, and we will look for a compromise between properties on the one hand, cost and weight on the other.
  • HDPE HGH DENSITY POLYETHYLENE
  • a flame retardant type M ETA-ARAMID a flame retardant type M ETA-ARAMID
  • the "textile” will preferably present, at least on one side INT or E X T of the final complex structure according to the invention, a layered structure of which the various layers will be arranged in various combinations in concerning the order from the inside to the outside and, for some of them them, like a metallized layer on one side, with regard to inward or outward orientation. This will be apparent in examples which will follow and in the attached drawing, all without limitation, as will readily be understood by those skilled in the art.
  • the "packing" is as described above.
  • the lining is obtained by carding a veil of fibers and covering the veils to weight and desired thickness, possibly using other techniques known.
  • complexing makes it possible to reach TOG values of, for example, 5, allowing you to live in cold climatic conditions without significant additional heating.
  • the filling is rot-proof and hydrophobic, if necessary: antibacterial, insecticide / antifungal.
  • a polyester fiber will be chosen about 6 denier and cut of 64 mm in topping, fibers of all diameters and all lengths, hollow or solid.
  • Weight preferably around 200 g / m2 for a thickness of around 30 mm, for example polypropylene nonwoven / 200 g fibers / nonwoven polypropylene, which gives a TOG index of 4.9 to 5.3.
  • the fiber filling will be for example at 100 g / m2, giving with the polypropylene nonwoven above a TOG from 3.1 to 3.4.
  • non-woven / padding type product fibers 100 g / m2 20 mm / non-woven (the non-woven being by polyester or polypropylene), in the form of a complex with for example, without limitation, a metallized sheet.
  • adding an aluminized film makes it possible to reduce the weight of fibers necessary or else, for an equal weight of fibers, to obtain a TOG index superior.
  • the cost of aluminized products may limit their use to products intended for sport, camping, emergency units, armies, and like.
  • a polypropylene nonwoven / lining of fibers at 100 g / m2 / HDPE nonwoven + aluminum foil gives an index TOG of 5, 6 as well as very good insulation against heat and UV.
  • the metallized sheet has a thickness of 20 to 150 microns, of preferably 30 to 100 microns, preferably close to 30 to 60 microns.
  • the invention allows, from few basic elements, to adapt to all climatic and usage conditions, whether is to make a humanitarian tent, a ground carpet, a tent camping, survival, or for the armed forces, rescuers in case of natural disaster, a field hospital, and the like.
  • the same references have the same meanings.
  • FIG. 2 represents a first version of tent 1 already comprising a first tent 2 made of fabric (which is however not essential). If this tent is intended for a dry climate, or if the tent 1 is already waterproof, it is not imperative that the planar structure 4 according to the invention (section in FIG. 2A) include an outer layer ( EXT 2) waterproof. We will simply make it hydrophobic, eventually.
  • EXT 2 outer layer
  • Layer 5 and layer 6 can consist of this example in sheets of nonwoven (non-woven) 100% polypropylene, grammage 45 g / m2, which ensure good breathability and, if treated with hydrophobic material, good waterproofing.
  • the polypropylene is of the “spun” (spun) and / or dyed type.
  • the intermediate layer of fiber filling forming a "layer air insulator ” is in this nonlimiting example in polyester fleece.
  • a 100% filling will be used carded polyester, 100 g / m2, fibers of 60 mm, thickness 20 mm before compression for transport in roll, this thickness being restored to the set up on site.
  • the same lining will be used, but at 200 g / m2 (thickness 30 mm).
  • the dispersion is due to the heterogeneity of the test sample; in production , the value would not be as dispersed
  • a sheet E X T 2 made of waterproof material water like polypropylene, polyester, and the like, which should remain micro porous to ensure good breathability.
  • FIG. 3 represents a variant which to date is the best embodiment since it provides a very good set of thermal properties in summer and winter.
  • the outer layer 5 is a prolypropylene similar to that of the figure 2. (or a Nylon TM).
  • the insulating layer 7 is identical to that of FIG. 2; she may be less thick due to the characteristics of the inner layer 8 which will be described below.
  • layers 9 and 11 are formed with a film of the product HDPE (HIGH DENSITY POLYETHYLENE) Metallic.
  • a metallized product also makes it possible to produce several versions of under tent whose insulating element 7 can then be more or less thick. If we choose an insulator 7 thinner than in figure 2, the metallized layer 8 keeps the same TOG index. If on the contrary we keep the same thickness for the insulating layer 7, the metallized layer 8 allows increase the TOG index.
  • FIG. 4 also represents a nonlimiting embodiment of the invention.
  • the TOG index decreases to 4.3.
  • the TOG index is increased by 18 or 30% while remaining within acceptable weights, and TOG values can easily be reached at least 5, or even as excellent as 6.5.
  • the layer 30 is chosen from the HDPE (POLYETHYLENE) product range HIGH DENSITY) and layer 35 (37, M) is chosen from the range of HDPE (HIGH DENSITY POLYETHYLENE) TM products metallized.
  • These products are approximately 50 g / m2 and 170 microns thick for the first, and respectively 61 g / m2 and 170 microns for the metallized product.
  • the invention also relates to the tents manufactured with the complex planar structures described above according to the invention.
  • the invention also relates to the floor mats produced with the structures complex planes described above according to the invention, possibly provided as indicated from a rubberized underside in contact with the ground.
  • the invention also relates to survival tents, survival boats, hospitals field, buildings or site structures, inflatable structures and analogs capable of providing thermal protection during cold weather extreme, and having a wall of any suitable shape doubled to inside a planar structure according to the invention.
  • the invention also covers all the embodiments and all the applications that will be directly accessible to those skilled in the art at the reading of this application, of his own knowledge, and possibly simple routine tests.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
EP03077235A 2002-07-17 2003-07-16 Zusammengesetztes wärmeisolierendes Unterzelt für extreme Umgebungen und Material hierfür Withdrawn EP1382777A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0209166 2002-07-17
FR0209166A FR2842556B1 (fr) 2002-07-17 2002-07-17 Sous tente composite isotherme pour environnements extremes et materiaux correspondants

Publications (1)

Publication Number Publication Date
EP1382777A1 true EP1382777A1 (de) 2004-01-21

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EP03077235A Withdrawn EP1382777A1 (de) 2002-07-17 2003-07-16 Zusammengesetztes wärmeisolierendes Unterzelt für extreme Umgebungen und Material hierfür

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EP (1) EP1382777A1 (de)
FR (1) FR2842556B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024258A1 (en) * 2014-08-12 2016-02-18 Thermo Tents Limited A tent and a method for heat insulating a tent
EP3181768A1 (de) * 2015-12-15 2017-06-21 Daniel Billecard System zur reduzierung der heiz- und/oder kühlkosten eines lokals
FR3131930A1 (fr) * 2022-01-20 2023-07-21 Decathlon Complexe diminuant la condensation de l’eau, article comprenant un tel complexe, et procédé de fabrication d’un tel complexe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248006B (de) * 1963-08-16 1967-08-24 Riegel Textile Corp Verfahren zum Herstellen von Schichtstoffen
DE1974174U (de) * 1967-08-16 1967-12-07 Metzeler Ag Matratzenschoner.
DE2358039A1 (de) * 1973-11-21 1975-05-28 Heinz Dipl Chem Dr Piffko Thermische isolation von tragluftund winterbauhallen
CH613371A5 (en) * 1977-03-18 1979-09-28 Schwoerer Georg Heat-insulating tent wall
DE4310110A1 (de) * 1992-07-07 1994-01-13 Kaercher Gmbh & Co Alfred Mehrlagiges, textiles, gasdurchlässiges Filtermaterial gegen chemische Schadstoffe
EP0808592A2 (de) * 1996-05-24 1997-11-26 Ht Troplast Ag Rollbare Isoliermatte
DE10042464A1 (de) * 2000-08-29 2002-03-28 Dyneon Gmbh Wärmeabsorbierende Membranen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248006B (de) * 1963-08-16 1967-08-24 Riegel Textile Corp Verfahren zum Herstellen von Schichtstoffen
DE1974174U (de) * 1967-08-16 1967-12-07 Metzeler Ag Matratzenschoner.
DE2358039A1 (de) * 1973-11-21 1975-05-28 Heinz Dipl Chem Dr Piffko Thermische isolation von tragluftund winterbauhallen
CH613371A5 (en) * 1977-03-18 1979-09-28 Schwoerer Georg Heat-insulating tent wall
DE4310110A1 (de) * 1992-07-07 1994-01-13 Kaercher Gmbh & Co Alfred Mehrlagiges, textiles, gasdurchlässiges Filtermaterial gegen chemische Schadstoffe
EP0808592A2 (de) * 1996-05-24 1997-11-26 Ht Troplast Ag Rollbare Isoliermatte
DE10042464A1 (de) * 2000-08-29 2002-03-28 Dyneon Gmbh Wärmeabsorbierende Membranen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024258A1 (en) * 2014-08-12 2016-02-18 Thermo Tents Limited A tent and a method for heat insulating a tent
EP3181768A1 (de) * 2015-12-15 2017-06-21 Daniel Billecard System zur reduzierung der heiz- und/oder kühlkosten eines lokals
FR3131930A1 (fr) * 2022-01-20 2023-07-21 Decathlon Complexe diminuant la condensation de l’eau, article comprenant un tel complexe, et procédé de fabrication d’un tel complexe
WO2023139143A1 (fr) * 2022-01-20 2023-07-27 Decathlon Complexe diminuant la condensation de l'eau, article comprenant un tel complexe, et procede de fabrication d'un tel complexe

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FR2842556A1 (fr) 2004-01-23
FR2842556B1 (fr) 2009-01-30

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