EP2524681B1 - Inflatable evacuation mattress - Google Patents

Inflatable evacuation mattress Download PDF

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Publication number
EP2524681B1
EP2524681B1 EP12167948.4A EP12167948A EP2524681B1 EP 2524681 B1 EP2524681 B1 EP 2524681B1 EP 12167948 A EP12167948 A EP 12167948A EP 2524681 B1 EP2524681 B1 EP 2524681B1
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EP
European Patent Office
Prior art keywords
mattress
lateral
mattress according
walls
along
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.)
Not-in-force
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EP12167948.4A
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German (de)
French (fr)
Other versions
EP2524681B8 (en
EP2524681A1 (en
Inventor
Laurent Beurguet
Amélie Cavillac
Valérie Mondoly
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Safran Aerosystems SAS
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Aerazur SAS
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Publication of EP2524681B8 publication Critical patent/EP2524681B8/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00—Stretchers
    • A61G1/01—Sheets specially adapted for use as or with stretchers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/02—Devices for lowering persons from buildings or the like by making use of rescue cages, bags, or the like
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00—Stretchers
    • A61G1/013—Stretchers foldable or collapsible
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/0504—Harnesses or restraining devices in order to evacuate a patient with the mattress, e.g. in situations of emergency, disaster or fire

Definitions

  • the invention relates to an inflatable mattress for transporting people.
  • a portable or portable mattress on the arms and the evacuation of wounded is targeted.
  • Difficulties are related to the structural strength of the mattress, its ability not to deform excessively under load, while remaining light enough not to alter the carrying capacity of the person, its ability to be stored in a small space , preferably a backpack, to limit the risk of falling of the person transported once installed on the inflated mattress, with a flat bottom surface.
  • the seams be multiple and discontinuous, thus promoting the passage of the inflation gas between the bottom and each of the side bands raised.
  • each raised sideband has a clamp which thus promotes the raising of this band relative to the bottom.
  • the clamp is formed by a notch made in the sideband, with close edges covered with a waterproof wall of dubbing.
  • the bottom connects to said sidebands at the location of the transition zones next two non-rectilinear lines presenting at least one inflection.
  • the sideband considered has a said clip.
  • the entire bottom and side strips are in one in the inflated state of the mattress, the pressure in each lateral band is at least 0.4 x 10 5 Pa, the mechanical strength of the casing being adapted accordingly, the result obtained also taking into account the aforementioned technique of bracing by flexible links (or flexible) typically defined by a pattern of meshes fallen from a fabric belonging to said two watertight walls, this technique being known as "drop stitch".
  • the maximum volume of the mattress to be inflated will be 120 dm 3 .
  • the mattress is devoid of reinforcement for the bottom and the lateral bands, the inflation pressure ensuring the rigidity of those and the flatness of the bottom, in the inflated state.
  • FIG. 1-4 in particular, we see an inflatable mattress 1 having an elongation direction 1a and comprising at least one elongate enclosure 3 delimited on the bulk of its surface by two substantially planar main walls 5a, 5b. These walls are approximately parallel, gastight (air in particular) and braced by a multiplicity of flexible links 7. These links and the main walls 5a, 5b resist the inflation pressure, which is therefore preferably 0.4 x 10 5 Pa. They are a priori constituted by the threads of a "drop stitch" (English language expression concerning a technique of cloth with drop points or dropped mesh designs).
  • the fabric to which the flexible links 7 belong is doubled by, or integrated with, a synthetic layer impervious to gases (air in particular) so as to form the two watertight walls 5a, 5b; 50a, 50b.
  • the enclosure 3 defines at least a portion of a bottom 9 adapted so that it can extend, preferably at its fullest, an adult person 11, in the direction of elongation 1a.
  • the enclosure 3 is extended in one piece, on either side of the bottom 9, by two raised lateral bands, 15a, 15b, this at the location of a transition zone 13a or 13b where the two walls main braces 5a, 5b are closer.
  • these two raised lateral bands 15a, 15b extend all along the bottom 9 or part of the bottom and flank the bottom and the extended person.
  • bottom part 9 is that this background could be achieved in several areas mechanically linked together along the axis 1a (and favorably fluidly for a common inflation of the entire mattress), for example two connected blocks together, substantially where the level of the pool of the extended person is located (see figure 1 ), by a transition zone such as 13a or 13b.
  • the mattress 1 has at least one seam 17 which brings the two main braced walls 5a, 5b closer together, by acting on the flexibility of the drop-stitch strands which then fold or fold on themselves, as illustrated fig.8 .
  • This / these seam (s) are each, individually, preferably by lines of seams, covered with a waterproof lining wall 19a, 19b, for example glued, locally over the walls 5a, 50a on one side, and 5b , 50b, on the opposite side ( fig.8 ).
  • the two main braced walls 5a, 5b and / or 50a, 50b can be immediately adjacent, it is preferred that the flexible links have a common length 1 at the bottom, transition zones and two side strips raised. This may facilitate the manufacture of these braced walls.
  • the spacing between the walls 5a, 5b and / or 50a, 50b may be adapted by the seams by making them more or less tight.
  • the seams 17 are, on the same line, such 170 (or two parallel lines immediately close) multiple and discontinuous (such 17a, 17b with the discontinuities, such 18). This will then favor, given the locations preferably provided, at least the passage of the inflation gas between the bottom 9 and each of the raised lateral bands 15a, 15b. Indeed the discontinuities, even the spaces between two adjacent seams, allow the gas to circulate in the chamber 3, between the bottom and the side walls
  • each raised lateral strip 15a, 15b has a clip 21 which promotes the raising of this strip relative to the bottom.
  • this clamp 21 will preferably be formed by a cut 23 ( figure 10 ) made in the lateral band in question, its narrow edges 23a, 23b being covered by a leakproof lining and assembly wall ( figure 10 ).
  • Each notch 23 is here made transversely to this axis 1a, on the outer edge 150 of the raised lateral strip concerned, such as the outer edge 150a for the strip 15a.
  • Such nicks with close edges favor the fact that, in the extent (if necessary complete) of the mattress, the bottom 9 can be connected to the lateral strips 15a, 15b at the location of the transition zones 17, along two non-rectilinear lines. 170a, 170b having at least one inflection, such 170c for the line 170a ( figure 1 ).
  • the handles be distributed to balance the carry and support substantially plan of the bottom.
  • the specific interest of such multiple lifting and carrying handles (31a, 31b ...) disposed along the outer surface 150a and 150b of each sideband is thus to be noted, in particular to facilitate the carrying and holding rigged of the person transported (see figure 1 ): the lateral strips 15a, 15b pivot indeed at the location of the transition zones 17, substantially along the seam line, so that they can straighten again, in particular by being placed substantially vertically, the bottom 9 remaining substantially flat.
  • the preferred mattress is devoid of reinforcement for the bottom 9 and the side strips 15a, 15b, the inflation pressure ensuring the rigidity thereof and the flatness of the bottom, in the state inflated.
  • FIG 9 we see a backpack widely open, for example by a zipper 37 which encloses the mattress 1 deflated and folded.
  • An inverted V inflatable tent including the two inclined walls have the following features is targeted, as well as a parallelepiped tent whose several sides have these characteristics (side walls and / or roof in particular).
  • an inflatable product comprising at least one elongate enclosure delimited at the location of at least two adjacent parts by two substantially parallel main walls, gastight (air in particular), braced by a multiplicity of flexible links (in particular "drop stitch” above) resistant to inflation pressure, the two adjacent parts meeting at the location of an area of transition where the two main walls are closer spaced, characterized in that at the location of the transition zone the product has at least one seam that brings the two main walls braced and which is covered with a sealed wall of dubbing.

Description

L'invention concerne un matelas gonflable de transport de personnes. Un matelas transportable ou portable aux bras et d'évacuation de blessés est visé.The invention relates to an inflatable mattress for transporting people. A portable or portable mattress on the arms and the evacuation of wounded is targeted.

Le document EP 1 726 332 A1 décrit un tel matelas.The document EP 1 726 332 A1 describes such a mattress.

Des difficultés sont liées à la résistance structurelle du matelas, à sa capacité à ne pas se déformer exagérément sous charge, tout en demeurant suffisamment léger pour ne pas altérer la capacité de transport de la personne, à sa capacité à être rangé dans un espace réduit, de préférence un sac à dos, à limiter les risques de chute de la personne transportée une fois installée sur le matelas gonflé, avec une surface de fond plane.Difficulties are related to the structural strength of the mattress, its ability not to deform excessively under load, while remaining light enough not to alter the carrying capacity of the person, its ability to be stored in a small space , preferably a backpack, to limit the risk of falling of the person transported once installed on the inflated mattress, with a flat bottom surface.

Une solution pour tendre vers la prise en compte d'une partie au moins de telles difficultés, est définie par la revendication 1 et prévoit que le matelas gonflable, qui présente une direction d'allongement, comprenne au moins une enceinte allongée délimitée sur l'essentiel de sa surface par deux parois principales sensiblement planes, approximativement parallèles, étanches au gaz, l'enceinte définissant une partie au moins d'un fond adapté pour qu'une personne puisse y être étendue suivant la direction d'allongement, l'enceinte se prolongeant d'une seule pièce de part et d'autre du fond, au-delà d'une zone de transition où les deux parois principales entretoisées sont plus proches, par deux bandes latérales relevées s'étendant le long (de préférence tout le long) de ce fond ou partie de fond, de sorte à flanquer latéralement la personne. On recommande que :

  • les parois principales seront entretoisées par une multiplicité de liens souples résistant à une pression de gonflage à dessin de mailles tombées d'un tissu (drop stitch) appartenant à ces parois,
  • et, à l'endroit de chaque zone de transition, ce matelas présentera en outre au moins une couture qui rapprochera les deux parois principales entretoisées pour favoriser une pliure entre le fond et chacune des bandes latérales relevées, la(les) couture(s) e les parois principales étant à ces endroits recouverte(s) d'une paroi étanche de doublage.
A solution for tending to take into account at least part of such difficulties is defined by claim 1 and provides that the inflatable mattress, which has an elongation direction, comprises at least one elongated enclosure defined on the of its surface by two substantially flat, approximately parallel, gastight main walls, the enclosure defining at least a portion of a bottom adapted for a person to be extended in the direction of elongation, the enclosure extending from one piece on either side of the bottom, beyond a transition zone where the two main braced walls are closer, by two raised lateral bands extending along (preferably all long) of this bottom or part of the bottom, so as to side flank the person. It is recommended that:
  • the main walls will be bridged by a multiplicity of flexible links resistant to pressure inflation of a drop stitch pattern belonging to these walls,
  • and, at the location of each transition zone, this mattress will also have at least one seam which will bring the two main braced walls together to favor a fold between the bottom and each of the raised lateral bands, the seam (s) e the main walls being in these places covered (s) with a waterproof lining wall.

Ceci favorisera la prévention des chutes latérales et la résistance du matelas au poids du patient.This will promote the prevention of lateral falls and the resistance of the mattress to the weight of the patient.

Pour un gonflage performant (notamment un dispositif de gonflement unique), d'où un gain de poids et une rigidité accrue, il est recommandé que les coutures soient multiples et discontinues, favorisant ainsi le passage du gaz de gonflage entre le fond et chacune des bandes latérales relevées.For efficient inflation (including a unique swelling device), resulting in increased weight and rigidity, it is recommended that the seams be multiple and discontinuous, thus promoting the passage of the inflation gas between the bottom and each of the side bands raised.

Pour notamment un relevage naturel des flancs, en particulier lors du gonflage, on conseille que chaque bande latérale relevée présente une pince qui favorise donc le relèvement de cette bande par rapport au fond.Particularly for a natural lifting of the sidewalls, especially during inflation, it is recommended that each raised sideband has a clamp which thus promotes the raising of this band relative to the bottom.

Pour une facilité de fabrication compatible avec une production en grande série et s'assurer d'une étanchéité performante, il est recommandé que la pince soit formée par une entaille réalisée dans la bande latérale, avec des bords rapprochés recouverts d'une paroi étanche de doublage.For ease of manufacture compatible with mass production and ensure a high performance seal, it is recommended that the clamp is formed by a notch made in the sideband, with close edges covered with a waterproof wall of dubbing.

Pour favoriser notamment la stabilité de la personne transportée et le gain de poids, on conseille par ailleurs que, le long (si nécessaire sur l'étendue complète) du matelas, le fond se raccorde auxdites bandes latérales à l'endroit des zones de transition suivant deux lignes non rectilignes présentant au moins une inflexion.To promote in particular the stability of the person transported and the weight gain, it is further advised that along the length (if necessary over the full extent) of the mattress, the bottom connects to said sidebands at the location of the transition zones next two non-rectilinear lines presenting at least one inflection.

Pour renforcer les effets précités, il est recommandé en outre qu'à l'endroit d'une dite inflexion, la bande latérale considérée présente une dite pince.To reinforce the aforementioned effects, it is furthermore recommended that at the place of a said inflection, the sideband considered has a said clip.

Concernant la capacité du matelas gonflé à ne pas se déformer exagérément sous charge, tout en demeurant suffisamment léger et facile à ranger pour pouvoir être porté dans un sac à dos, on préférera que l'intégralité du fond et des bandes latérales soient en une seule pièce et, qu'à l'état gonflé du matelas, la pression dans chaque bande latérale soit au minimum de 0,4 x 105 Pa, la résistance mécanique de l'enveloppe étant adaptée en conséquence, le résultat obtenu tenant en outre à la technique précitée de l'entretoisement par liens souples (ou flexibles) typiquement définis par un dessin de mailles tombées d'un tissu appartenant auxdites deux parois étanches, cette technique étant connue sous l'appellation « drop stitch ».Regarding the capacity of the inflated mattress not to deform excessively under load, while remaining light enough and easy to store to be carried in a backpack, it is preferred that the entire bottom and side strips are in one in the inflated state of the mattress, the pressure in each lateral band is at least 0.4 x 10 5 Pa, the mechanical strength of the casing being adapted accordingly, the result obtained also taking into account the aforementioned technique of bracing by flexible links (or flexible) typically defined by a pattern of meshes fallen from a fabric belonging to said two watertight walls, this technique being known as "drop stitch".

Pour favoriser la capacité du matelas à ne pas se déformer exagérément sous charge, à être rangé dans un espace réduit, de préférence un sac à dos, à être soulevé et déplacé à bras sans perturber notablement la personne étendue, tout en demeurant suffisamment léger, on recommande que le matelas comprenne :

  • le long de la surface extérieure de chaque bande latérale, plusieurs poignées de levage et de portage,
  • un orifice de dégonflement,
  • et un dispositif de gonflage par cartouche de gaz fixé au matelas ou à valve adaptée pour être reliée à une alimentation en gaz comprimé indépendante du matelas.
To promote the ability of the mattress not to deform excessively under load, to be stored in a reduced space, preferably a backpack, to be raised and moved by arm without significantly disturbing the extended person, while remaining light enough, it is recommended that the mattress include:
  • along the outer surface of each sideband, several lifting and carrying handles,
  • a deflation orifice,
  • and a gas cartridge inflator attached to the mattress or valve adapted to be connected to a compressed gas supply independent of the mattress.

De préférence, dans le même but, le volume maximum du matelas à gonfler sera de 120 dm3.Preferably, for the same purpose, the maximum volume of the mattress to be inflated will be 120 dm 3 .

Grâce à tout ou partie des caractéristiques qui précèdent, on va pouvoir prévoir de préférence, également pour tendre vers les buts évoqués, que le matelas soit dépourvu d'armature pour le fond et les bandes latérales, la pression de gonflage assurant la rigidité de ceux-ci et la planéité du fond, à l'état gonflé.Thanks to all or some of the foregoing characteristics, it will be possible to provide preferably, also to tend towards the mentioned purposes, that the mattress is devoid of reinforcement for the bottom and the lateral bands, the inflation pressure ensuring the rigidity of those and the flatness of the bottom, in the inflated state.

D'autres caractéristiques apparaîtront encore en référence aux figures jointes où diverses réalisations sont schématisées, de façon non limitative, avec :

  • figures 1-3, des vues sous divers angles d'un mode de réalisation du matelas,
  • figure 4, une coupe transversale selon IV-IV (on ne voit les éléments qu'à l'endroit de la coupe et le fond est basculé à la verticale),
  • figure 5, une coupe transversale localisée à l'endroit V (figure 3),
  • figure 6, un sac à dos renfermant un matelas,
  • figure 7, une vue selon VII, à l'endroit entouré en traits mixtes figure 3,
  • figure 8, une coupe transversale selon VIII-VIII de la fig.7 montrant le rapprochement des parois via les coutures,
  • figure 10, une vue selon X, à l'endroit entouré en traits mixtes figure 3 (les doublures extérieures 25 et 31 ne sont illustrées que localement alors qu'elles recouvrent longitudinalement des zones plus étendues), et, figure 9, la même zone, avec l'entaille mais avant rapprochement des lèvres et doublage par la paroi d'étanchéité collée par dessus.
Other characteristics will become apparent with reference to the accompanying figures, in which various embodiments are schematized, in a nonlimiting manner, with:
  • figures 1-3 , views from various angles of an embodiment of the mattress,
  • figure 4 , a cross-section along IV-IV (we only see the elements at the point of the section and the bottom is tilted vertically),
  • figure 5 , a cross-section located at location V ( figure 3 )
  • figure 6 , a backpack containing a mattress,
  • figure 7 , a view along VII, at the place surrounded by dotted lines figure 3 ,
  • figure 8 , a cross-section along VIII-VIII of the fig.7 showing the approximation of the walls via the seams,
  • figure 10 , a view along X, at the place surrounded by dotted lines figure 3 (The outer liners 25 and 31 are only shown locally while they overlap longitudinally with larger areas), and figure 9 , the same area, with the notch but before approximation of the lips and doubling by the sealing wall glued on top.

Figures 1-4 en particulier, on voit un matelas gonflable 1 présentant une direction d'allongement 1a et comprenant au moins une enceinte allongée 3 délimitée sur l'essentiel de sa surface par deux parois principales 5a, 5b sensiblement planes. Ces parois sont approximativement parallèles, étanches aux gaz (air notamment) et entretoisées par une multiplicité de liens souples 7. Ces liens et les parois principales 5a, 5b résistent à la pression de gonflage, laquelle est donc de préférence de 0,4 x 105 Pa. Ils seront a priori constitués par les fils d'un « drop stitch » (expression de langue anglaise concernant une technique de tissu à points de chute ou dessins de mailles tombées). Le tissu auquel appartiennent les liens souples 7 est doublé par, ou intégré à, une couche synthétique étanche aux gaz (air notamment) de façon à former les deux parois étanches 5a, 5b ; 50a, 50b. Figures 1-4 in particular, we see an inflatable mattress 1 having an elongation direction 1a and comprising at least one elongate enclosure 3 delimited on the bulk of its surface by two substantially planar main walls 5a, 5b. These walls are approximately parallel, gastight (air in particular) and braced by a multiplicity of flexible links 7. These links and the main walls 5a, 5b resist the inflation pressure, which is therefore preferably 0.4 x 10 5 Pa. They are a priori constituted by the threads of a "drop stitch" (English language expression concerning a technique of cloth with drop points or dropped mesh designs). The fabric to which the flexible links 7 belong is doubled by, or integrated with, a synthetic layer impervious to gases (air in particular) so as to form the two watertight walls 5a, 5b; 50a, 50b.

L'enceinte 3 définit une partie au moins d'un fond 9 adapté pour que puisse s'y étendre, de préférence de tout son long, une personne adulte 11, suivant la direction d'allongement 1a.The enclosure 3 defines at least a portion of a bottom 9 adapted so that it can extend, preferably at its fullest, an adult person 11, in the direction of elongation 1a.

On conseille un fond uniformément plat ou plan, pour une meilleure efficacité des bandes latérales 15a, 15b qui la flanque alors tout le long.It is advisable a uniformly flat or flat bottom, for a better efficiency of the side strips 15a, 15b which flank then all along.

L'enceinte 3 se prolonge d'une seule pièce, de part et d'autre du fond 9, par deux bandes latérales relevées, 15a, 15b, ceci à l'endroit d'une zone 13a ou 13b de transition où les deux parois principales entretoisées 5a, 5b sont plus proches.The enclosure 3 is extended in one piece, on either side of the bottom 9, by two raised lateral bands, 15a, 15b, this at the location of a transition zone 13a or 13b where the two walls main braces 5a, 5b are closer.

De préférence, ces deux bandes latérales relevées 15a, 15b s' étendent tout le long du fond 9 ou partie de fond et flanquent le fond et la personne étendue.Preferably, these two raised lateral bands 15a, 15b extend all along the bottom 9 or part of the bottom and flank the bottom and the extended person.

L'hypothèse « partie de fond » 9 tient à ce que ce fond pourrait être réalisé en plusieurs zones liées ensemble mécaniquement suivant l'axe 1a (et favorablement de façon fluide pour un gonflage commun de tout le matelas), par exemple deux pavés reliées ensemble, sensiblement là où se situe le niveau du bassin de la personne étendue (voir figure 1), par une zone de transition telle celle 13a ou 13b.The assumption "bottom part" 9 is that this background could be achieved in several areas mechanically linked together along the axis 1a (and favorably fluidly for a common inflation of the entire mattress), for example two connected blocks together, substantially where the level of the pool of the extended person is located (see figure 1 ), by a transition zone such as 13a or 13b.

Notamment pour favoriser une pliure entre le fond 9 et chacune des bandes latérales 15a, 15b, relevées au moins à l'état gonflé du matelas, on recommande donc qu'à l'endroit de la (chaque) zone de transition, telle celle 13a, 13b, le matelas 1 présente au moins une couture 17 qui rapproche les deux parois principales entretoisées 5a,5b, en jouant sur la souplesse des brins de drop-stitch qui se plient ou se replient alors sur eux-mêmes, comme illustré fig.8. Cette/ces couture(s) sont chacune, individuellement, de préférence par lignes de coutures, recouvertes d'une paroi étanche de doublage 19a, 19b, par exemple collée, localement par-dessus les parois 5a, 50a sur une face, et 5b, 50b, sur la face opposée (fig.8).In particular to favor a fold between the bottom 9 and each of the side strips 15a, 15b, raised at least in the inflated state of the mattress, it is therefore recommended that at the location of the (each) transition zone, such as that 13a , 13b, the mattress 1 has at least one seam 17 which brings the two main braced walls 5a, 5b closer together, by acting on the flexibility of the drop-stitch strands which then fold or fold on themselves, as illustrated fig.8 . This / these seam (s) are each, individually, preferably by lines of seams, covered with a waterproof lining wall 19a, 19b, for example glued, locally over the walls 5a, 50a on one side, and 5b , 50b, on the opposite side ( fig.8 ).

Bien qu' à l'endroit de la (chaque) zone de transition, telle 13a ; 13b, les deux parois principales entretoisées 5a, 5b et/ou 50a, 50b peuvent être immédiatement adjacentes, on préférera que les liens souples aient une longueur 1 commune à l'endroit du fond, des zones de transition et des deux bandes latérales relevées. Ceci pourra faciliter la fabrication de ces parois entretoisées. L'écartement entre les parois 5a, 5b et/ou 50a, 50b pourra être adapté par les coutures en les réalisant plus ou moins serrées.Although at the location of the (each) transition zone, such as 13a; 13b, the two main braced walls 5a, 5b and / or 50a, 50b can be immediately adjacent, it is preferred that the flexible links have a common length 1 at the bottom, transition zones and two side strips raised. This may facilitate the manufacture of these braced walls. The spacing between the walls 5a, 5b and / or 50a, 50b may be adapted by the seams by making them more or less tight.

Comme illustré figure 7, on préférera que les coutures 17 soient, sur une même ligne, telle 170, (ou deux lignes parallèles immédiatement proches) multiples et discontinues (telles 17a, 17b avec les discontinuités, telles 18). Ceci favorisera alors, compte tenu des emplacements prévus de préférence, au moins le passage du gaz de gonflage entre le fond 9 et chacune des bandes latérales relevées 15a, 15b. En effet les discontinuités, voire les espaces entre deux coutures adjacentes, permettent au gaz de circuler dans l'enceinte 3, entre le fond et les parois latéralesAs illustrated figure 7 it will be preferred that the seams 17 are, on the same line, such 170 (or two parallel lines immediately close) multiple and discontinuous (such 17a, 17b with the discontinuities, such 18). This will then favor, given the locations preferably provided, at least the passage of the inflation gas between the bottom 9 and each of the raised lateral bands 15a, 15b. Indeed the discontinuities, even the spaces between two adjacent seams, allow the gas to circulate in the chamber 3, between the bottom and the side walls

On peut remarquer qu'à l'écart de la/des zones de transition 13a, 13b :

  • au moins sur l'essentiel de la surface du fond 9, les deux parois étanches 5a, 5b du fond sont parallèles entre elles (voir figure 5),
  • et/ou les deux parois étanches (a priori identiques puisque monoblocs) 50a, 50b des parois latérales sont également parallèles entre elles, au moins à l'écart de leur bord extrême où la bande 31 assure l'étanchéité et la jonction entre ces parois 50a, 50b (voir figure 5).
It may be noted that, away from the transition zone (s) 13a, 13b:
  • at least on most of the surface of the bottom 9, the two sealed walls 5a, 5b of the bottom are parallel to each other (see figure 5 )
  • and / or the two watertight walls (a priori identical since one piece) 50a, 50b of the side walls are also parallel to one another, at least away from their extreme edge where the strip 31 ensures the seal and the junction between these walls 50a, 50b (see figure 5 ).

Les figures 9, 10 montrent un matelas (localement) où, transversalement à la direction d'allongement 1a, chaque bande latérale relevée 15a, 15b présente une pince 21 qui favorise le relèvement de cette bande par rapport au fond.The Figures 9, 10 show a mattress (locally) where, transversely to the elongation direction 1a, each raised lateral strip 15a, 15b has a clip 21 which promotes the raising of this strip relative to the bottom.

On constate que de préférence cette pince 21 sera formée par une entaille 23 (figure 10) faite dans la bande latérale considérée, ses bords 23a, 23b rapprochés étant recouverts d'une paroi étanche de doublage et d'assemblage 25 (figure 10).It can be seen that this clamp 21 will preferably be formed by a cut 23 ( figure 10 ) made in the lateral band in question, its narrow edges 23a, 23b being covered by a leakproof lining and assembly wall ( figure 10 ).

On voit ainsi une entaille 23 par côté latéral du matelas, sensiblement aux trois quart de la longueur hors tout, suivant l'axe 1a (figure 1).This shows a notch 23 per lateral side of the mattress, substantially three quarters of the overall length, along the axis 1a ( figure 1 ).

Chaque entaille 23 est ici faite transversalement à cet axe 1a, sur le bord extérieur 150 de la bande latérale relevée concernée, tel le bord extérieur 150a pour la bande 15a.Each notch 23 is here made transversely to this axis 1a, on the outer edge 150 of the raised lateral strip concerned, such as the outer edge 150a for the strip 15a.

De telles entailles à bords rapprochés favorisent le fait que, sur l'étendue (si nécessaire complète) du matelas, le fond 9 puisse se raccorder aux bandes latérales 15a, 15b à l'endroit des zones de transition 17, suivant deux lignes non rectilignes 170a, 170b présentant au moins une inflexion, telle 170c pour la ligne 170a (figure 1).Such nicks with close edges favor the fact that, in the extent (if necessary complete) of the mattress, the bottom 9 can be connected to the lateral strips 15a, 15b at the location of the transition zones 17, along two non-rectilinear lines. 170a, 170b having at least one inflection, such 170c for the line 170a ( figure 1 ).

On remarque figure 1 qu'à l'endroit d'une dite inflexion, la bande latérale considérée présente une dite pince 21.We notice figure 1 that at the place of a said inflection, the considered lateral band presents a said clamp 21.

On remarque aussi, figure 3, que le matelas préféré comprend, fixé à lui, de préférence en face supérieur de son fond 9 pour un pliage, une maintenance et un accès facilités :

  • le long de la surface extérieure 150a ou 150b de la bande latérale considérée, plusieurs poignées de levage et de portage, telles 31a, 31b,
  • au moins un orifice 33 de dégonflement,
  • et au moins un dispositif de gonflage 35 par cartouche de gaz 37 fixé au matelas ou à au moins une valve 39 adaptée pour être reliée de façon démontable à une alimentation 41 en gaz comprimé indépendante du matelas (figure 1).
We also notice, figure 3 , that the preferred mattress comprises, fixed to it, preferably in the upper face of its bottom 9 for folding, maintenance and access facilitated:
  • along the outer surface 150a or 150b of the lateral band considered, several lifting and carrying handles, such as 31a, 31b,
  • at least one deflation orifice 33,
  • and at least one inflation device 35 per gas cartridge 37 fixed to the mattress or at least one valve 39 adapted to be removably connected to a compressed gas supply 41 independent of the mattress ( figure 1 ).

On recommande que les poignées soient réparties de façon à équilibrer le portage et favoriser le maintien sensiblement plan du fond. L'intérêt spécifique de telles poignées multiples de levage et de portage (31a, 31b...) disposées le long de la surface extérieure 150a et 150b de chaque bande latérale est ainsi à noter, en particulier pour faciliter le portage et le maintien calé de la personne transportée (voir figure 1) : les bandes latérales 15a, 15b pivotent en effet à l'endroit des zones de transition 17, sensiblement le long de la ligne de couture, de sorte qu'elles peuvent se redresser encore, notamment en se plaçant sensiblement verticalement, le fond 9 demeurant sensiblement plan.It is recommended that the handles be distributed to balance the carry and support substantially plan of the bottom. The specific interest of such multiple lifting and carrying handles (31a, 31b ...) disposed along the outer surface 150a and 150b of each sideband is thus to be noted, in particular to facilitate the carrying and holding rigged of the person transported (see figure 1 ): the lateral strips 15a, 15b pivot indeed at the location of the transition zones 17, substantially along the seam line, so that they can straighten again, in particular by being placed substantially vertically, the bottom 9 remaining substantially flat.

Sur les figures, on peut encore constater que le matelas préféré est dépourvu d'armature pour le fond 9 et les bandes latérales 15a, 15b, la pression de gonflage assurant la rigidité de ceux-ci et la planéité du fond, à l'état gonflé.In the figures, it can still be seen that the preferred mattress is devoid of reinforcement for the bottom 9 and the side strips 15a, 15b, the inflation pressure ensuring the rigidity thereof and the flatness of the bottom, in the state inflated.

Figure 9, on voit un sac à dos largement ouvrable, par exemple par une fermeture zippée 37 qui renferme le matelas 1 dégonflé et replié. Figure 9 , we see a backpack widely open, for example by a zipper 37 which encloses the mattress 1 deflated and folded.

D'autres objets inventifs, en tant que tels, peuvent être concernés dans le présent cadre tel que défini par les revendications.Other inventive objects, as such, may be concerned in the present context as defined by the claims.

Des produits gonflables autres qu'un matelas gonflable transportable sont ainsi à considérer dans le cadre des revendications.Inflatable products other than a transportable inflatable mattress are thus to be considered within the scope of the claims.

Une tente gonflable en V inversé dont notamment les deux parois inclinées présenteraient les caractéristiques suivantes est visée, de même qu'une tente parallélépipédique dont plusieurs côtés présenteraient ces caractéristiques (parois latérales et/ou toit en particulier).An inverted V inflatable tent including the two inclined walls have the following features is targeted, as well as a parallelepiped tent whose several sides have these characteristics (side walls and / or roof in particular).

On note ainsi l'obtention d'un produit gonflable comprenant au moins une enceinte allongée délimitée à l'endroit d'au moins deux parties adjacentes par deux parois principales sensiblement parallèles, étanches aux gaz (air notamment), entretoisées par une multiplicité de liens souples (en particulier « drop stitch » précité) résistant à une pression de gonflage, les deux parties adjacentes se rejoignant à l'endroit d'une zone de transition où les deux parois principales entretoisées sont plus proches, caractérisé en ce qu'à l'endroit de la zone de transition le produit présente au moins une couture qui rapproche les deux parois principales entretoisées et qui est recouverte d'une paroi étanche de doublage.It is thus noted to obtain an inflatable product comprising at least one elongate enclosure delimited at the location of at least two adjacent parts by two substantially parallel main walls, gastight (air in particular), braced by a multiplicity of flexible links (in particular "drop stitch" above) resistant to inflation pressure, the two adjacent parts meeting at the location of an area of transition where the two main walls are closer spaced, characterized in that at the location of the transition zone the product has at least one seam that brings the two main walls braced and which is covered with a sealed wall of dubbing.

On conseille :

  • que les coutures soient alors non étanches, favorisant ainsi le passage du gaz de gonflage entre les parties adjacentes,
  • et/ou que les coutures soient multiples et discontinues,
  • et/ou que les liens souples aient une longueur commune à l'endroit des deux parties adjacentes et de la zone de transition.
We advise :
  • that the seams are then not waterproof, thus favoring the passage of the inflation gas between the adjacent parts,
  • and / or that the seams are multiple and discontinuous,
  • and / or that the flexible links have a common length at the location of the two adjacent parts and the transition zone.

Claims (11)

  1. Inflatable evacuation mattress having a direction of elongation (1a) and comprising at least one elongate chamber (3) delimited over the most part of its surface by two substantially planar, approximately parallel, gas tight main walls (5a, 5b), the chamber (3) defining at least part of a bottom (9) designed so that an individual (11) can stretch out thereon in the direction of elongation (1a), the chamber (3) being extended as a single piece on each side of the bottom (9), beyond a transition zone (13a, 13b) at which the two braced main walls (5a, 5b; 50a, 50b) are closer together, by two turned-up lateral strips (15a, 15b) extending along the entire length of this bottom (9) or part bottom, so as to flank the individual (11) along his sides, characterized in that:
    - the main walls (5a, 5b) are braced by a multitude of flexible ties (7) able to withstand an inflation pressure, from drop stitches of a fabric belonging to these walls, and
    - at the location of each transition zone (13a, 13b) it also has at least one seam (17) which brings the two braced main walls (5a, 5b; 50a, 50b) closer together to encourage bending between the bottom (9) and each of the turned-up lateral strips (15a, 15b), the seam(s) (17) and main walls (5a, 5b) being taped with an impervious lining wall (19a) at these points.
  2. Mattress according to Claim 1, characterized in that the seams (17) are multiple and discontinuous (17a, 17b) thus encouraging the inflation gas to pass between the bottom (9) and each of the turned-up lateral strips (15a, 15b).
  3. Mattress according to one of the preceding claims, characterized in that a dart (21) is taken in each turned-up lateral strip (15a, 15b) to encourage this strip to stand up relative to the bottom (9).
  4. Mattress according to Claim 3, characterized in that the dart (21) is formed by a cut (23) in the lateral strip (15a, 15b) and the brought-together edges (23a, 23b) of which are taped with an impervious lining and assembling wall (25).
  5. Mattress according to one of the preceding claims, characterized in that, along the mattress (1), the bottom (9) connects to the said lateral strips (15a, 15b) at the location of the transition zones (13a, 13b, 17) along two lines (170a, 170b) that are not rectilinear but have at least one inflection (170c).
  6. Mattress according to Claims 3, 5 or 4, 5, characterized in that, at the location of one said inflection (170c), the lateral strip (15a, 15b) concerned has one said dart (21).
  7. Mattress according to one of the preceding claims, characterized in that the whole of the bottom (9) and of the lateral strips (15a, 15b) is made as a single piece and, when the mattress (1) is in the inflated state, the pressure in each lateral strip (15a, 15b) is at least 0.4 x 105 Pa.
  8. Mattress according to one of the preceding claims, characterized in that it comprises:
    - along the exterior surface (150a, 150b) of each lateral strip (15a, 15b) a number of lift and carry handles (31a, 31b),
    - at least one deflation orifice (33),
    - and at least one inflation device (35) using a gas cartridge (37) fixed to the mattress (1) or to at least one valve (39) designed to be connected to a compressed-gas supply (41) independent of the mattress (1).
  9. Mattress according to one of the preceding claims, characterized in that the maximum volume of the mattress (1) that has to be inflated is 120 dm3.
  10. Mattress according to one of the preceding claims, characterized in that it has no reinforcing framework for the bottom (9) and the lateral strips (15a, 15b), the inflation pressure keeping these rigid and keeping the bottom (9) flat in the inflated state.
  11. Mattress according to one of the preceding claims, characterized in that the flexible ties (7) have a common length (1) at the region of the bottom (9), of the transition zones (13a, 13b, 17) and the two turned-up lateral strips (15a, 15b).
EP12167948.4A 2011-05-16 2012-05-14 Inflatable evacuation mattress Not-in-force EP2524681B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1101493A FR2975282B1 (en) 2011-05-16 2011-05-16 INFLATABLE EVACUATION MATTRESS

Publications (3)

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EP2524681A1 EP2524681A1 (en) 2012-11-21
EP2524681B1 true EP2524681B1 (en) 2015-11-25
EP2524681B8 EP2524681B8 (en) 2016-01-13

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ID=46044586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12167948.4A Not-in-force EP2524681B8 (en) 2011-05-16 2012-05-14 Inflatable evacuation mattress

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US (1) US8782833B2 (en)
EP (1) EP2524681B8 (en)
FR (1) FR2975282B1 (en)

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Also Published As

Publication number Publication date
FR2975282B1 (en) 2013-12-27
FR2975282A1 (en) 2012-11-23
EP2524681B8 (en) 2016-01-13
EP2524681A1 (en) 2012-11-21
US20120291203A1 (en) 2012-11-22
US8782833B2 (en) 2014-07-22

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