EP2061363B1 - Sleeping bag designed to be fastened to a mattress - Google Patents

Sleeping bag designed to be fastened to a mattress Download PDF

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Publication number
EP2061363B1
EP2061363B1 EP07823793A EP07823793A EP2061363B1 EP 2061363 B1 EP2061363 B1 EP 2061363B1 EP 07823793 A EP07823793 A EP 07823793A EP 07823793 A EP07823793 A EP 07823793A EP 2061363 B1 EP2061363 B1 EP 2061363B1
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EP
European Patent Office
Prior art keywords
flap
sleeping bag
mattress
sleeping
attachment means
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EP07823793A
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German (de)
French (fr)
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EP2061363A2 (en
Inventor
Benjamin Lafoux
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Decathlon SE
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Decathlon SE
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/08—Sleeping bags
    • A47G9/086—Sleeping bags for outdoor sleeping

Definitions

  • the present invention is in the technical field of sleeping bags.
  • the equipment of the camper generally, and in particular a sleeping bag, must meet three major functions: be light and compressible because the camper may have to wear his equipment, especially during hiking, so he needs power arrange his equipment in a small dwelling such as a backpack; and be insulated because the camper can be brought to sleep outdoors and / or cold temperatures.
  • a sleeping bag generally has as many insulating materials on its upper part as on its lower part.
  • the term "insulating materials" is intended to mean the number and the basis weight of the sheet of wadding and / or down and / or impermeable layers; and in general all materials contributing to improve the insulation of the sleeping bag. Down means any material comprising feathers and an impervious layer, any layer coated with a water repellent finish. Of course, the insulating layers having a low basis weight contribute negligibly to the thermal insulation of the sleeper.
  • the bottom of the sleeping bag is then compressed against a foam or inflatable mattress, thus removing any air likely to form an insulating envelope.
  • the mattresses often having a waterproof and insulating face of the ground, the lower portion of the sleeping bag comprising insulating materials represents a dead weight for the camper. Since these materials are expensive, particularly with regard to down, the optimization of the thermicity of the lower part of a sleeping bag is also of economic interest.
  • Another proposed solution is to provide in the lower part of a sleeping bag pocket for housing a mattress to prevent the sleeping bag from sliding on the mattress.
  • said pocket represents a dead weight for the camper and an additional cost in the production of the sleeping bag in question.
  • said pocket has a predetermined shape according to the shape of the lower part of the sleeping bag; it is therefore not universal, and is limited to mattress shapes generally produced by the same manufacturers as the sleeping bags in question.
  • US 4,757,832 thus relates to a sleeping system comprising a mattress 26, a floor protection panel 12 disposed between the mattress 26 and the floor (see Figures 4 and 5 ), a lower portion 16 disposed directly on the upper face of the mattress 26 and having pockets at its two ends adapted to receive the upper and lower ends of the mattress 26, and an upper portion 112 superimposed in operation on said lower portion 16.
  • the soil protection panel 12, serving as a base for mounting a tent further comprises lateral projections 52,54 provided with organs 55,56 attachment at their ends and fastening straps 70 allowing the user to store and maintain in its folded state the coating system (see Figure 8).
  • This coating system reproduces the aforementioned drawbacks, in particular concerning the mattress pockets. In addition, it is bulky and complex to mount.
  • Another solution on the market is to provide blankets to be fixed directly on the upper face of the mattress by any means known in the state of the art, such as velcro® type hook-and-loop strips or a zipper.
  • This solution is not hygienic for the camper because during his sleep he sweats a lot and it is more difficult to wash a mattress than a sleeping bag alone.
  • sleeping bags are offered to be directly attached to the top of a mattress.
  • This last solution has the drawbacks of being uncomfortable for the sleeper since it has little ease.
  • the camper is not protected in its coating of the direct passage of the outside air at the joint between said sleeping bag and the mattress, this is known as thermal bridges. .
  • the camper sleeps in cold temperatures, especially in the mountains, he needs a very insulating sleeping bag, with in particular little volume of air to heat by the body heat, and compressible for its transport.
  • the sleeping bag does not need to be as insulating and must provide greater ease.
  • the camper must be equipped with two different sleeping bags.
  • flap means the portion of a textile article or object, such as the upper or lower part of the sleeping bag according to the present invention, or an element reported by any means known from the state of the technical to said article or object; in flexible material, which folds on another object or textile article, such as an inflatable mattress or a foam mattress.
  • At least two opposite edges of the mattress are designated its longitudinal edges.
  • the sleeping bag can indeed be used without it being secured by said first means to the mattress, in the loose position. This arrangement allows the sleeping bag to be versatile. It is indeed usable in mild outdoor conditions such as in a shelter where the loose position of the bag offers great ease to the sleeper. In contrast in cold outdoor conditions, the sleeping bag being secured to the mattress in said wrapping position, the sleeping space is decreased which improves the thermal comfort of the sleeper since the volume of air to be heated by the body is less.
  • the fixing means being supported by the sleeping bag, they are independent of the mattress and allow to secure the sleeping bag to mattresses of different shape and size.
  • said first flap enclosing the periphery of the lower face of said mattress at least at two of its opposite edges, the lower face of said mattress, generally designed in a material resistant to punching and abrasion is in direct contact with the ground. It is not necessary that said flap is made of a material resistant to punching, which improves its ability to be compressed and its lightness.
  • said removable attachment means allow the sleeping bag to be fixed to the mattress in at least two of its opposite edges without the latter sliding on the mattress.
  • the camper can sleep on sloping floors.
  • the camper During his sleep, the camper is not obliged to sleep lying on his back since, whatever his position, he moves in his sleeping bag secured to the mattress.
  • the camper has a sleeping space larger than that of a sarcophagus sleeping bag, since the top of the sleeping bag covers the upper face of the mattress.
  • the upper portion has dimensions greater than those of the lower portion so as to obtain a sleeping space delimited between said parts, in which the user can move and turn easily.
  • the upper and lower parts may be made in a single textile layer, possibly waterproofed, or in several conventional layers found in sleeping bags comprising cotton wool or fluff.
  • the thermal insulation function is provided by the upper part of the sleeping bag on the one hand and the underside of the mattress on the other hand, it is not useful for the thermal comfort of the camper that the lower part of said Sleeping bag includes insulating materials.
  • the inner face of this lower part in direct contact with the camper can be made of a material pleasant to the touch to improve its comfort.
  • This arrangement saves expensive insulation materials, and significantly improve the lightness and compressibility of the sleeping bag.
  • the sleeping bag can be used without a mattress having an insulating underside, as a simple sleeping, when the camper sleeps in a sheltered place, such as under a tent or in a shelter.
  • said first flap is continuous, in one piece, along the entire periphery of the lower part.
  • access means such as a zipper, to the sleeping space delimited between the upper part and the lower part are formed in an area of the second flap intended to cover in said position of wrapping the lower face of the mattress along at least one of its longitudinal and opposite edges.
  • the thermal insulation of the interface between the upper face of the mattress and the upper part of the sleeping bag is improved since the means of access to the sleeping space are found on the underside of the mattress in operation.
  • the second flap extends around the entire periphery of the upper part except for the zone of said periphery corresponding to the head of the sleeper.
  • the zone of the periphery of the upper part corresponding to the head of the sleeper is free of first or second flaps, and in said zone the upper part comprises two lateral wings provided with fastening members able to cooperate to close them and form a loop intended to receive the head of the sleeper.
  • the side wings are in a material comfortable to the touch and thermally insulating.
  • the side wings improve the thermal insulation and comfort of the head of the user by acting as a pillow.
  • the side wings have a U-shaped configuration open towards the front of said bag.
  • This configuration is optimal to form a comfortable loop to receive the head.
  • said second flap is continuous, in one piece, according to all or part of the periphery of said upper portion.
  • said first flap is formed in the same panel as the lower part.
  • This arrangement has the advantage of making at the same time one of the parts of the sleeping bag and said first flap and therefore eliminates additional and costly operations of bringing said first flap all around the perimeter of the lower part.
  • said first flap and the lower part are continuous and in one piece, which improves the camper insulation at the level of the enveloping zone of the mattress by said first flap by eliminating the thermal bridges.
  • said second flap is formed in the same panel as the upper part.
  • the first flap is then formed in the same panel as the lower part.
  • the first flap and the second flap then cover together in said wrapping position the same edges of the lower face of the mattress.
  • said first flap is provided on all or part of its periphery with a sheath and said first fixing means comprise a drawstring, in particular elastic, sliding in said sheath and optionally a locking element of the cord. tight position.
  • the sleeping bag has an adjustable ease, since the first flap being secured to the lower part and indirectly to the upper part, it is deformable according to all or part of its periphery, the camper is thus totally free of his movements.
  • the camper easily adjusts the flap to the mattress, and locks it in this position by either tying the cord or with a locking element for example a tonka ®.
  • said first flap and said second flap are provided over all or part of their periphery with a common sheath, and said first and second fastening means comprise a drawstring, in particular elastic, sliding in said sheath and optionally a locking element of the cord in the tight position.
  • said first flap comprises on all or part of its periphery an elastic edge acting as first fixing means.
  • Said edge may be a ribbon attached by stitching.
  • said first flap and said second flap comprise on all or part of their periphery a common elastic edge acting as said first and second fixing means.
  • said first fixing means comprise at least one attachment means, in particular equipped with hooks, for securing two opposite edges of said first flap or said first and second flaps.
  • said fixing means consist of an elastic drawstring.
  • the lower portion and / or the first flap bordering said lower portion comprises an opening for the passage of the means for swelling and / or deflation of the mattress, such as the valve of a self-inflating mattress.
  • the sleeping bag can thus be stored secured to the mattress since during the compressive folding of the assembly on itself, for example by winding, the expulsion orifice of the air of the mattress is not obstructed. Similarly, during the preparation of the coating, once the sleeping bag is secured to the unfolded mattress, the swelling means are accessible.
  • the sleeping bag comprises a second flap extending around the entire periphery of the upper part except for a zone d corresponding to the head of the sleeper, the opening is preferably arranged with respect to said zone d.
  • the present invention also relates to a coating assembly, comprising a sleeping bag according to any one of the embodiments described above and a mattress, of a determined thickness, characterized in that it comprises a securing means allowing keeping said sleeping bag and said mattress together in the wound position, said mat being held in the sleeping bag by said first flap or possibly said first and second flaps.
  • the camper rolls up the sleeping bag and the mattress together which eliminates tedious folding steps.
  • the mattress is inflatable, it is deflated during this winding step.
  • the camper When the camper prepares his sleeping, it is sufficient for him to unwind the assembly comprising the sleeping bag secured by means of the flap and said fixing means. Thus, it is sufficient to have once the flap of the sleeping bag on the mattress during an excursion or a hike.
  • the mattress is self-inflating, so when said securing means is undone, the assembly described above proceeds without assistance.
  • the securing means may be for example a fastener provided on the sleeping bag.
  • the present invention aims to provide a lightweight sleeping bag, compressible, comfortable, providing good thermal comfort to its user, and can be used both outdoors in cold weather conditions in a sheltered place such as a refuge or tent.
  • the sleeping bag 12 shown at figure 1 comprises a first flap 52 and a second flap 53.
  • the first flap 52 is continuous and in one piece all around the periphery of the lower portion 42.
  • the second flap 53 is continuous and in one piece on all the periphery of the periphery of the upper part 32 except for the edge 62d corresponding to the passage in the sleeping bag 12 so that the user can slip.
  • the first flap 52 is made in the same panel as the lower portion 42 and the second flap 53 is made in the same panel as the upper portion 32.
  • the first flap 52 and the second flap 53 together border the lower face 62 and envelop the edges 62a, 62b, 62c of the mattress 22 superimposed.
  • the first flap 52 envelops all the edges of the mattress 22 including the edge 62d. This arrangement is particularly advantageous since it eliminates all thermal bridges and improves the thermal comfort of the user.
  • the first flap 52 and the second flap 53 are provided over their entire periphery with a common sleeve F1, in which a resilient drawstring 82 slides.
  • the cord 82 is provided with a locking element 82a, for example of the TONKA® type.
  • the cord 82 comes out of the sleeve f1 in particular on four zones arranged thereon so that two fastening means 92 and 93, for example hooks, come to secure the two opposite edges of the first and second flaps 52 and 53.
  • the sleeping bag 12 is thus perfectly integral with the mattress 22 and can not slide on it. Thanks to the elastic means provided by the cord 82, the sleeping bag leaves the sleeper free of his movements during his sleep.
  • the sleeping bag 12 secured to the mattress 22 it is possible to hold them together wound by a securing means, such as a storage bag or a fastener disposed on the sleeping bag 12.
  • a securing means such as a storage bag or a fastener disposed on the sleeping bag 12.
  • the sleeping bag 12 and the mattress 22 are shown during their unfolding.
  • the mattress 22 is self-inflating so that the bag 12 and the mattress 22 unfold without assistance. The user thus has a set for sleeping easy to transport and install.
  • the sleeping bag 12 is shown without the mattress 22 in the loosened position, the first fastening means 82, 82a and 92, 93 being removable. It is then observed that the sleeping space is greater since the first and second flaps 52 and 53 are made in the same panel as the parts they border and are secured only in the common sleeve F1. Preferably said panels are a single textile layer.
  • the upper part 32 has the same thermal insulation capacity as the lower part 42. The sleeping space is thus delimited only according to the upper face of the mattress 22, but also comprises the space formed by the two flaps 52 and 53.
  • the camper thus has a bag of versatile bedding for use in cold conditions in a tight position when the fastening means 82,82a and 92,93 are closed, the volume of air to be heated by body heat being less; and usable under a shelter, a tent or in a house said means of attachment being open, the camper has a sleeping bag 12 with greater ease, thermal insulation being a factor less.
  • the mattresses on the market generally having a lower face, in contact with the ground, made of a material resistant to punching and abrasion; and the lower face 62 of the mattress 22 being poorly covered by the flaps 52 and 53, it is therefore not necessary to make said flaps in a material particularly resistant to punching.
  • the flap 52 is preferably made in the same panel as the lower portion 42.
  • Said panel is preferably a single textile layer, for example a polyester fabric. This provision eliminates operations consisting in reporting and fixing a flap on all or part of the perimeter of the periphery of one or the other of said lower and upper part by any means known from the state of the art, for example by sewing.
  • the flaps can also be removably attached to the lower part, for example by Velcro® type self-gripping strips.
  • FIGS. 3 to 6 represent a second preferred example of a sleeping bag according to the present invention in said wrapping position.
  • the sleeping bag 13 is very close to the sleeping bag 12 in that it comprises a first flap 54, continuous and in one piece, extending all around the lower portion 43 so as to cover in said wrapping position the mattress 23 along all its edges; and a second flap 55, continuous and in one piece, extending around the circumference of the upper part 33 except for the zone d of said periphery corresponding to the head of the sleeper.
  • the first 54 and the second 55 flaps are preferably reported by stitching on the lower 43 and upper 33 parts.
  • upper 33 has dimensions greater than those of the lower portion 44 so as to obtain a comfortable sleeping space in which the user can move freely.
  • the upper part 33 and the second flap 55 are sized so as to cover the upper edge 63d of the mattress 23 as far as possible and to provide a zone just sufficient and comfortable for the head to improve the thermal insulation.
  • the zone d for the passage of the head comprises two lateral wings 11 and 12 provided with fasteners 14 and 15 at its ends adapted to cooperate for their closure and form a loop for receiving the head of the sleeper.
  • the fastening members 14 and 15 are self-gripping strips of the Velcro® type.
  • the lateral wings 11 and 12 have a U-shaped configuration open towards the front of the sleeping bag 13.
  • the lateral wings 11 and 12 are preferably sewn on the upper part 33 but can be attached by means of removable fasteners supported by said wings and the upper part so that the user can remove the lateral wings 11 and 12.
  • the lateral flanges 11 and 12 are preferably in a material which is soft to the touch and thermally insulating, at least more than the material forming the lower part 43. The lateral flanges 11 and 12 support the head and isolate it from the cold.
  • access means here a zipper z, to the sleeping space delimited between the upper 33 and lower 43 are formed in the second flap 55 so as to cover the underside of the mattress along the edge longitudinal 63b in said wrapping position and reduce the thermal bridges between the upper portion 33 and the mattress 23.
  • an opening 16 is formed between the lower part 43 and the first flap 54, with regard to the zone d for the passage of the swelling and / or swelling means of the mattress 23, in this specific example the valve of a mattress self-inflating 17.
  • the opening 16 allows storage of the bag 13 secured to the mattress 23 since it is not necessary to separate them to inflate or deflate the mattress 23.
  • the sleeve f2 in which slides the elastic tightening cord 83 has an additional opening 18 relative to the sleeping bag 12 and disposed towards the rear edge 63d of the mattress 23 allowing the user to adjust more easily the tightening of the bag 13 on the mattress 23.

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Abstract

The present invention relates to a sleeping bag (1) designed to be fastened to a mattress (2), said sleeping bag (1) comprising a top part (3) and a bottom part (4), the latter being designed to be in contact with the top face (7) of said mattress (2). A feature of said sleeping bag (1) is that it comprises at least one first flap (5a, 5b) which at least partly borders one or other of the bottom and top parts (3, 4) in such a way that, in an enveloping position in which the top face (7) of said mattress (2) is placed against the bottom part (4) of the bag, said first flap (5a, 5b) covers the bottom face (6) of said mattress (2) along at least two of its opposite edges (6a, 6c), and first removable fixing means (8, 8a, 9, 9a) capable of holding said first flap (5a, 5b) against the mattress (2) in said enveloping position.

Description

La présente invention est dans le domaine technique des sacs de couchage.The present invention is in the technical field of sleeping bags.

L'équipement du campeur de manière générale, et en particulier un sac de couchage, doit répondre à trois grandes fonctions : être léger et compressible car le campeur peut être amené à porter son matériel, notamment lors de randonnée, il a donc besoin de pouvoir disposer son matériel dans un logement de taille réduite tel qu'un sac à dos ; et être isolant car le campeur peut être amené à dormir en extérieur et/ou par des températures froides.The equipment of the camper generally, and in particular a sleeping bag, must meet three major functions: be light and compressible because the camper may have to wear his equipment, especially during hiking, so he needs power arrange his equipment in a small dwelling such as a backpack; and be insulated because the camper can be brought to sleep outdoors and / or cold temperatures.

Un sac de couchage présente généralement autant de matières isolantes sur sa partie supérieure que sur sa partie inférieure. On entend par matériaux isolants, le nombre et la masse surfacique de nappe en ouate et/ou en duvet et/ou de couches imperméables; et de manière générale tous matériaux contribuant à améliorer l'isolation du sac de couchage. On entend par duvet tout matériau comprenant des plumes et par couche imperméable, toute couche revêtue d'un apprêt déperlant. Bien évidemment, les couches isolantes ayant une masse surfacique faible participent de manière négligeable à l'isolation thermique du dormeur.A sleeping bag generally has as many insulating materials on its upper part as on its lower part. The term "insulating materials" is intended to mean the number and the basis weight of the sheet of wadding and / or down and / or impermeable layers; and in general all materials contributing to improve the insulation of the sleeping bag. Down means any material comprising feathers and an impervious layer, any layer coated with a water repellent finish. Of course, the insulating layers having a low basis weight contribute negligibly to the thermal insulation of the sleeper.

Dans un souci d'optimiser le poids et la compressibilité, certains sacs de couchage proposés sur le marché ont moins de matériaux isolants dans leur partie inférieure que dans leur partie supérieure.In an effort to optimize weight and compressibility, some sleeping bags on the market have less insulating materials in their lower part than in their upper part.

En effet, lorsqu'un campeur dort sur le dos, la partie inférieure du sac de couchage est alors compressée contre un matelas mousse ou gonflable, évacuant ainsi tout air susceptible de former une enveloppe isolante. De plus, les matelas ayant souvent une face imperméable et isolante du sol, la partie inférieure du sac de couchage comprenant des matériaux isolants représente un poids mort pour le campeur. Ces matériaux étant coûteux, en particulier s'agissant du duvet, l'optimisation de la thermicité de la partie inférieure d'un sac de couchage présente également un intérêt économique.Indeed, when a camper sleeps on the back, the bottom of the sleeping bag is then compressed against a foam or inflatable mattress, thus removing any air likely to form an insulating envelope. In addition, the mattresses often having a waterproof and insulating face of the ground, the lower portion of the sleeping bag comprising insulating materials represents a dead weight for the camper. Since these materials are expensive, particularly with regard to down, the optimization of the thermicity of the lower part of a sleeping bag is also of economic interest.

Cependant cet agencement du sac de couchage n'est pas satisfaisant. En effet, lors de son sommeil le campeur doit rester théoriquement allongé sur le dos pour bénéficier de la protection thermique de la partie supérieure, ce qui en pratique est difficilement réalisable pour le campeur. Afin d'empêcher le campeur de se retourner et l'obliger à rester dans une même position allongée sur le dos, des sacs de couchage du type sarcophage, présentent une capuche aménagée dans leur partie inférieure. Cette disposition est inconfortable pour le campeur puisqu'il est contraint de dormir sur le dos et n'est pas libre de ses mouvements.However this arrangement of the sleeping bag is not satisfactory. Indeed, during his sleep the camper must remain theoretically lying on his back to benefit from the thermal protection of the upper part, which in practice is difficult for the camper. In order to prevent the camper from turning around and forcing him to stay in the same position lying on his back, sarcophagus sleeping bags have a hood fitted in their lower part. This arrangement is uncomfortable for the camper as he is forced to sleep on his back and is not free of his movements.

Une autre solution proposée consiste à prévoir dans la partie inférieure d'un sac de couchage une poche servant de logement à un matelas afin d'empêcher le sac de couchage de glisser sur le matelas.Another proposed solution is to provide in the lower part of a sleeping bag pocket for housing a mattress to prevent the sleeping bag from sliding on the mattress.

Cette disposition n'est pas optimale puisque la face du sac de couchage au contact du sol doit remplir des caractéristiques de résistance mécanique et au poinçonnement, généralement propres à la face des matelas en contact avec le sol, ce qui implique l'utilisation de matériaux plus lourds et moins compressibles que la partie inférieure d'un sac de couchage classique. Ladite poche représente un poids mort pour le campeur et un surcoût dans la production du sac de couchage en question. Par ailleurs, ladite poche a une forme prédéterminée selon la forme de la partie inférieure du sac de couchage ; elle n'est donc pas universelle, et est limitée à des formes de matelas généralement produits par les mêmes fabricants que les sacs de couchage en question.This arrangement is not optimal since the face of the sleeping bag in contact with the ground must fulfill the characteristics of mechanical strength and punching, generally specific to the face of the mattresses in contact with the ground, which implies the use of materials heavier and less compressible than the bottom of a classic sleeping bag. Said pocket represents a dead weight for the camper and an additional cost in the production of the sleeping bag in question. Moreover, said pocket has a predetermined shape according to the shape of the lower part of the sleeping bag; it is therefore not universal, and is limited to mattress shapes generally produced by the same manufacturers as the sleeping bags in question.

US 4.757.832 a ainsi pour objet un système de couchage comprenant un matelas 26, un panneau de protection du sol 12 disposé entre le matelas 26 et le sol (voir figures 4 et 5), une partie inférieure 16 disposée directement sur la face supérieure du matelas 26 et comportant des poches à ses deux extrémités aptes à recevoir les extrémités supérieure et inférieure du matelas 26, et une partie supérieure 112 superposée en fonctionnement à ladite partie inférieure 16. Le panneau de protection du sol 12, servant de base pour le montage d'une tente, comprend en outre des projections latérales 52,54 munies d'organes d'attache 55,56 à leurs extrémités ainsi que des sangles d'attache 70 permettant à l'usager de ranger et maintenir dans son état replié le système de couchage (voir figure 8). Ce système de couchage reproduit les inconvénients précités, en particulier concernant les poches à matelas. De plus, il est volumineux et complexe à monter. US 4,757,832 thus relates to a sleeping system comprising a mattress 26, a floor protection panel 12 disposed between the mattress 26 and the floor (see Figures 4 and 5 ), a lower portion 16 disposed directly on the upper face of the mattress 26 and having pockets at its two ends adapted to receive the upper and lower ends of the mattress 26, and an upper portion 112 superimposed in operation on said lower portion 16. The soil protection panel 12, serving as a base for mounting a tent, further comprises lateral projections 52,54 provided with organs 55,56 attachment at their ends and fastening straps 70 allowing the user to store and maintain in its folded state the coating system (see Figure 8). This coating system reproduces the aforementioned drawbacks, in particular concerning the mattress pockets. In addition, it is bulky and complex to mount.

Une autre solution sur le marché consiste à proposer des couvertures à fixer directement sur la face supérieure du matelas par n'importe quels moyens connus de l'état de la technique, tels que bandes auto agrippantes du type velcro® ou une fermeture à glissière. Cette solution n'est pas hygiénique pour le campeur puisque lors de son sommeil il transpire beaucoup et il est plus difficile de laver un matelas qu'un sac de couchage seul. Au lieu d'une couverture, des sacs de couchage sont proposés pour être directement fixés à la face supérieure d'un matelas. Cette dernière solution présente les inconvénients d'être inconfortable pour le dormeur puisqu'il a peu d'aisance. De plus, le campeur n'est pas protégé dans son couchage du passage direct de l'air extérieur au niveau de la jointure entre ledit sac de couchage et le matelas, c'est ce que l'on désigne par le terme de ponts thermiques.Another solution on the market is to provide blankets to be fixed directly on the upper face of the mattress by any means known in the state of the art, such as velcro® type hook-and-loop strips or a zipper. This solution is not hygienic for the camper because during his sleep he sweats a lot and it is more difficult to wash a mattress than a sleeping bag alone. Instead of a blanket, sleeping bags are offered to be directly attached to the top of a mattress. This last solution has the drawbacks of being uncomfortable for the sleeper since it has little ease. In addition, the camper is not protected in its coating of the direct passage of the outside air at the joint between said sleeping bag and the mattress, this is known as thermal bridges. .

Lorsque le campeur dort sous des températures froides, notamment en montagne, il a besoin d'un sac de couchage très isolant, avec notamment peu de volume d'air à chauffer par la chaleur corporelle, et compressible pour son transport. A l'opposé, dans des conditions de températures modérées, notamment dans un abri, ou sous une tente, le sac de couchage n'a pas besoin d'être aussi isolant et doit apporter plus d'aisance. Actuellement pour répondre à ces deux conditions, le campeur doit s'équiper de deux sacs de couchage différents.When the camper sleeps in cold temperatures, especially in the mountains, he needs a very insulating sleeping bag, with in particular little volume of air to heat by the body heat, and compressible for its transport. In contrast, in moderate temperature conditions, especially in a shelter, or in a tent, the sleeping bag does not need to be as insulating and must provide greater ease. Currently to meet these two conditions, the camper must be equipped with two different sleeping bags.

Afin notamment de pallier les inconvénients précités, la présente invention a pour objet un sac de couchage adapté pour être solidarisé à un matelas, ledit sac de couchage comprenant une partie supérieure et une partie inférieure superposées, ladite partie inférieure étant destinée à être en contact avec la face supérieure dudit matelas, caractérisé en ce qu'il comprend :

  1. a) un premier rabat s'étendant sur tout le pourtour de ladite partie inférieure et apte à recouvrir la face inférieure dudit matelas selon tous ses bords dans une position d'enveloppement dans laquelle la partie inférieure du sac de couchage est placée contre la face supérieure dudit matelas,
  2. b) un second rabat bordant partiellement ladite partie supérieure, ledit second rabat étant apte à recouvrir la face inférieure dudit matelas selon au moins son bord arrière et ses deux bords longitudinaux et opposés, et éventuellement ledit premier rabat, dans une position d'enveloppement dans laquelle la partie inférieure du sac de couchage est placée contre la face supérieure dudit matelas,
  3. c) des premiers moyens de fixation amovibles aptes à plaquer ledit premier rabat contre la face inférieure dudit matelas dans ladite position d'enveloppement et des seconds moyens de fixation amovibles aptes à plaquer ledit second rabat, et éventuellement ledit premier rabat, contre la face inférieure dudit matelas dans ladite position d'enveloppement.
In particular to overcome the aforementioned drawbacks, the present invention relates to a sleeping bag adapted to be secured to a mattress, said sleeping bag comprising an upper portion and a lower portion superimposed, said lower portion being intended to be in contact with the upper face of said mattress, characterized in that it comprises:
  1. a) a first flap extending around the entire periphery of said lower part and able to cover the underside of said mattress along all its edges in a wrapping position in which the lower part of the sleeping bag is placed against the upper face said mattress,
  2. b) a second flap partially bordering said upper part, said second flap being able to cover the underside of said mattress according to at least its rear edge and its two longitudinal and opposite edges, and possibly said first flap, in a wrapping position in which the lower part of the sleeping bag is placed against the upper face of said mattress,
  3. c) first removable fixing means capable of pressing said first flap against the underside of said mattress in said wrapping position and second removable fixing means able to press said second flap, and possibly said first flap, against the underside; said mattress in said wrapping position.

On entend par rabat la partie d'un article textile ou d'un objet, telle que la partie supérieure ou inférieure du sac de couchage selon la présente invention, ou un élément rapporté par n'importe quels moyens connus de l'état de la technique audit article ou audit objet ; en matière souple, qui se rabat sur un autre objet ou article textile, tel qu'un matelas gonflable ou un matelas mousse.By flap means the portion of a textile article or object, such as the upper or lower part of the sleeping bag according to the present invention, or an element reported by any means known from the state of the technical to said article or object; in flexible material, which folds on another object or textile article, such as an inflatable mattress or a foam mattress.

De préférence, on désigne par au moins deux bords opposés du matelas ses bords longitudinaux.Preferably, at least two opposite edges of the mattress are designated its longitudinal edges.

Par moyens de fixation amovibles, on comprend que la fixation est amovible. Le sac de couchage peut en effet être utilisé sans qu'il ne soit solidarisé par les dits premiers moyens au matelas, en position desserrée. Cette disposition permet au sac de couchage d'être polyvalent. Il est en effet utilisable dans des conditions extérieures clémentes tel que dans un abri où la position desserrée du sac offre une grande aisance au dormeur. A l'opposé dans des conditions extérieures froides, le sac de couchage étant solidarisé au matelas dans ladite position d'enveloppement, l'espace de couchage est diminué ce qui améliore le confort thermique du dormeur puisque le volume d'air à chauffer par le corps est moindre.By removable fastening means, it is understood that the attachment is removable. The sleeping bag can indeed be used without it being secured by said first means to the mattress, in the loose position. This arrangement allows the sleeping bag to be versatile. It is indeed usable in mild outdoor conditions such as in a shelter where the loose position of the bag offers great ease to the sleeper. In contrast in cold outdoor conditions, the sleeping bag being secured to the mattress in said wrapping position, the sleeping space is decreased which improves the thermal comfort of the sleeper since the volume of air to be heated by the body is less.

Les moyens de fixation étant supportés par le sac de couchage, ils sont indépendants du matelas et permettent de solidariser le sac de couchage à des matelas de forme et de taille différentes.The fixing means being supported by the sleeping bag, they are independent of the mattress and allow to secure the sleeping bag to mattresses of different shape and size.

Avantageusement, ledit premier rabat n'enveloppant la périphérie de la face inférieure dudit matelas qu'au moins selon deux de ses bords opposés, la face inférieure dudit matelas, généralement conçue dans un matériau résistant au poinçonnement et à l'abrasion est en contact directement avec le sol. Il n'est pas nécessaire que le dit rabat soit confectionné dans un matériau résistant au poinçonnement, ce qui améliore sa capacité à être compressé et sa légèreté.Advantageously, said first flap enclosing the periphery of the lower face of said mattress at least at two of its opposite edges, the lower face of said mattress, generally designed in a material resistant to punching and abrasion is in direct contact with the ground. It is not necessary that said flap is made of a material resistant to punching, which improves its ability to be compressed and its lightness.

Par ailleurs, lesdits moyens de fixation amovibles permettent de fixer le sac de couchage au matelas selon au moins deux de ses bords opposés sans que celui-ci ne glisse sur le matelas. Le campeur peut ainsi dormir sur des sols pentus.Moreover, said removable attachment means allow the sleeping bag to be fixed to the mattress in at least two of its opposite edges without the latter sliding on the mattress. The camper can sleep on sloping floors.

Il n'y a pas de ponts thermiques sur la ou les zones d'enveloppement du matelas par le rabat, ce qui contribue à améliorer le confort thermique du campeur.There are no thermal bridges on the mattress wrap area (s) by the flap, which contributes to improving the thermal comfort of the camper.

Lors de son sommeil, le campeur n'est pas obligé de dormir allongé sur le dos puisque, quelle que soit sa position, il bouge dans son sac de couchage solidarisé au matelas. De plus, le campeur dispose d'un espace de couchage plus grand que celui d'un sac de couchage du type sarcophage, puisque la partie supérieure du sac de couchage recouvre la face supérieure du matelas.During his sleep, the camper is not obliged to sleep lying on his back since, whatever his position, he moves in his sleeping bag secured to the mattress. In addition, the camper has a sleeping space larger than that of a sarcophagus sleeping bag, since the top of the sleeping bag covers the upper face of the mattress.

De préférence, la partie supérieure a des dimensions supérieures à celles de la partie inférieure en sorte d'obtenir un espace de couchage, délimité entre lesdites parties, dans lequel l'usager peut se mouvoir et se retourner facilement.Preferably, the upper portion has dimensions greater than those of the lower portion so as to obtain a sleeping space delimited between said parts, in which the user can move and turn easily.

Les parties supérieures et inférieures peuvent être confectionnées dans une seule couche textile, éventuellement imperméabilisée, ou selon plusieurs couches classiques que l'on retrouve dans les sacs de couchage comprenant des nappes de ouate ou de duvet.The upper and lower parts may be made in a single textile layer, possibly waterproofed, or in several conventional layers found in sleeping bags comprising cotton wool or fluff.

Enfin, la fonction d'isolation thermique est assurée par la partie supérieure du sac de couchage d'une part et la face inférieure du matelas d'autre part, il n'est pas utile pour le confort thermique du campeur que la partie inférieure dudit sac de couchage comprenne des matériaux isolants. De préférence, la face intérieure de cette partie inférieure en contact direct avec le campeur peut être prise dans un matériau agréable au toucher pour améliorer son confort.Finally, the thermal insulation function is provided by the upper part of the sleeping bag on the one hand and the underside of the mattress on the other hand, it is not useful for the thermal comfort of the camper that the lower part of said Sleeping bag includes insulating materials. Preferably, the inner face of this lower part in direct contact with the camper can be made of a material pleasant to the touch to improve its comfort.

Cette disposition permet d'économiser des matériaux isolants coûteux, et d'améliorer considérablement la légèreté et la compressibilité du sac de couchage.This arrangement saves expensive insulation materials, and significantly improve the lightness and compressibility of the sleeping bag.

Par ailleurs, le sac de couchage peut être utilisé sans matelas présentant une face inférieure isolante, comme simple couchage, lorsque le campeur dort dans un lieu abrité, tel que sous une tente ou dans un refuge.In addition, the sleeping bag can be used without a mattress having an insulating underside, as a simple sleeping, when the camper sleeps in a sheltered place, such as under a tent or in a shelter.

Dans une variante, le dit premier rabat est continu, d'un seul tenant, selon tout le pourtour de la partie inférieure.In a variant, said first flap is continuous, in one piece, along the entire periphery of the lower part.

Dans une variante de réalisation, des moyens d'accès, tel qu'une fermeture à glissière, à l'espace de couchage délimité entre la partie supérieure et la partie inférieure sont ménagés dans une zone du second rabat destinée à recouvrir dans ladite position d'enveloppement la face inférieure du matelas selon au moins un de ses bords longitudinaux et opposés.In an alternative embodiment, access means, such as a zipper, to the sleeping space delimited between the upper part and the lower part are formed in an area of the second flap intended to cover in said position of wrapping the lower face of the mattress along at least one of its longitudinal and opposite edges.

L'isolation thermique de l'interface entre la face supérieure du matelas et la partie supérieure du sac de couchage est améliorée puisque les moyens d'accès à l'espace de couchage se retrouvent sur la face inférieure du matelas en fonctionnement.The thermal insulation of the interface between the upper face of the mattress and the upper part of the sleeping bag is improved since the means of access to the sleeping space are found on the underside of the mattress in operation.

Dans une variante de réalisation, le second rabat s'étend sur tout le pourtour de la partie supérieure exception faite de la zone dudit pourtour correspondant à la tête du dormeur.In an alternative embodiment, the second flap extends around the entire periphery of the upper part except for the zone of said periphery corresponding to the head of the sleeper.

Cette disposition est préférée et optimale pour l'isolation thermique de l'usager puisque les ponts thermiques sont minimisés.This arrangement is preferred and optimal for the thermal insulation of the user since thermal bridges are minimized.

Dans une variante, la zone du pourtour de la partie supérieure correspondant à la tête du dormeur est exempt de premier ou second rabats, et dans ladite zone la partie supérieure comporte deux ailes latérales pourvues d'organes d'attache aptes à coopérer pour leur fermeture et former une boucle destinée à recevoir la tête du dormeur.In a variant, the zone of the periphery of the upper part corresponding to the head of the sleeper is free of first or second flaps, and in said zone the upper part comprises two lateral wings provided with fastening members able to cooperate to close them and form a loop intended to receive the head of the sleeper.

De préférence les ailes latérales sont dans un matériau confortable au toucher et isolant thermiquement. Les ailes latérales améliorent l'isolation thermique et le confort de la tête de l'usager en faisant office d'oreiller.Preferably the side wings are in a material comfortable to the touch and thermally insulating. The side wings improve the thermal insulation and comfort of the head of the user by acting as a pillow.

Dans une variante de réalisation, les ailes latérales ont une configuration en forme de « U » ouvert vers l'avant dudit sac.In an alternative embodiment, the side wings have a U-shaped configuration open towards the front of said bag.

Cette configuration est optimum pour former une boucle confortable pour recevoir la tête.This configuration is optimal to form a comfortable loop to receive the head.

Dans une variante de réalisation, ledit second rabat est continu, d'un seul tenant, selon tout ou partie du pourtour de ladite partie supérieure.In an alternative embodiment, said second flap is continuous, in one piece, according to all or part of the periphery of said upper portion.

Dans une variante de réalisation, ledit premier rabat est formé dans le même panneau que la partie inférieure.In an alternative embodiment, said first flap is formed in the same panel as the lower part.

Cette disposition présente l'avantage de confectionner en même temps l'une des parties du sac de couchage et ledit premier rabat et supprime donc des opérations supplémentaires et coûteuses consistant à rapporter ledit premier rabat selon tout le pourtour de la partie inférieure.This arrangement has the advantage of making at the same time one of the parts of the sleeping bag and said first flap and therefore eliminates additional and costly operations of bringing said first flap all around the perimeter of the lower part.

De préférence, ledit premier rabat et la partie inférieure sont continus et d'un seul tenant, ce qui améliore l'isolation du campeur au niveau de la zone d'enveloppement du matelas par ledit premier rabat en supprimant les ponts thermiques.Preferably, said first flap and the lower part are continuous and in one piece, which improves the camper insulation at the level of the enveloping zone of the mattress by said first flap by eliminating the thermal bridges.

Dans une variante de réalisation, ledit second rabat est formé dans le même panneau que la partie supérieure. De préférence, le premier rabat est alors formé dans le même panneau que la partie inférieure. Le premier rabat et le second rabat recouvrent alors ensembles dans ladite position d'enveloppement les mêmes bords de la face inférieure du matelas.In an alternative embodiment, said second flap is formed in the same panel as the upper part. Preferably, the first flap is then formed in the same panel as the lower part. The first flap and the second flap then cover together in said wrapping position the same edges of the lower face of the mattress.

Dans une variante de réalisation, ledit premier rabat est pourvu sur tout ou partie de sa périphérie d'un fourreau et lesdits premiers moyens de fixation comprennent un cordon de serrage, notamment élastique, coulissant dans ledit fourreau et éventuellement un élément de blocage du cordon en position serrée.In an alternative embodiment, said first flap is provided on all or part of its periphery with a sheath and said first fixing means comprise a drawstring, in particular elastic, sliding in said sheath and optionally a locking element of the cord. tight position.

Avantageusement le sac de couchage a une aisance réglable, puisque le premier rabat étant solidaire de la partie inférieure et indirectement de la partie supérieure, il est déformable selon tout ou partie de sa périphérie, le campeur est ainsi totalement libre de ses mouvements.Advantageously, the sleeping bag has an adjustable ease, since the first flap being secured to the lower part and indirectly to the upper part, it is deformable according to all or part of its periphery, the camper is thus totally free of his movements.

Grâce au cordon de serrage, le campeur ajuste facilement le plaquage du rabat au matelas, et le bloque dans cette position soit en nouant ledit cordon ou avec un élément de blocage par exemple un tonka ®.Thanks to the drawcord, the camper easily adjusts the flap to the mattress, and locks it in this position by either tying the cord or with a locking element for example a tonka ®.

Dans une variante de réalisation, ledit premier rabat et ledit second rabat sont pourvus sur tout ou partie de leur périphérie d'un fourreau commun, et lesdits premiers et second moyens de fixation comprennent un cordon de serrage, notamment élastique, coulissant dans ledit fourreau et éventuellement un élément de blocage du cordon en position serrée.In an alternative embodiment, said first flap and said second flap are provided over all or part of their periphery with a common sheath, and said first and second fastening means comprise a drawstring, in particular elastic, sliding in said sheath and optionally a locking element of the cord in the tight position.

Dans une variante de réalisation, ledit premier rabat comporte sur tout ou partie de sa périphérie un bord élastiqué faisant office de premiers moyens de fixation.In an alternative embodiment, said first flap comprises on all or part of its periphery an elastic edge acting as first fixing means.

Ledit bord peut être un ruban rapporté par couture.Said edge may be a ribbon attached by stitching.

Dans une variante de réalisation, ledit premier rabat et ledit second rabat comportent sur tout ou partie de leur périphérie un bord élastiqué commun faisant office desdits premiers et seconds moyens de fixation.In an alternative embodiment, said first flap and said second flap comprise on all or part of their periphery a common elastic edge acting as said first and second fixing means.

Dans une variante de réalisation, lesdits premiers moyens de fixation comprennent au moins un moyen d'attache, notamment équipé de crochets, permettant d'assujettir deux bords opposés dudit premier rabat ou desdits premiers et second rabats.In an alternative embodiment, said first fixing means comprise at least one attachment means, in particular equipped with hooks, for securing two opposite edges of said first flap or said first and second flaps.

De préférence, lesdits moyens de fixation consistent en un cordon de serrage élastique. L'aisance du campeur dans le sac de couchage et sa solidarisation au matelas sont améliorées.Preferably, said fixing means consist of an elastic drawstring. The ease of the camper in the sleeping bag and its attachment to the mattress are improved.

Dans une variante de réalisation, la partie inférieure et/ou le premier rabat bordant la dite partie inférieure comporte une ouverture pour le passage des moyens de gonflement et/ou de dégonflement du matelas, telle la valve d'un matelas autogonflant.In an alternative embodiment, the lower portion and / or the first flap bordering said lower portion comprises an opening for the passage of the means for swelling and / or deflation of the mattress, such as the valve of a self-inflating mattress.

Le sac de couchage peut ainsi être stocké solidarisé sur le matelas puisque lors du pliage compressif de l'ensemble sur lui-même, par exemple par enroulement, l'orifice d'expulsion de l'air du matelas n'est pas obstrué. De même, lors de la préparation du couchage, une fois le sac de couchage solidarisé sur le matelas déplié, les moyens de gonflement sont accessibles.The sleeping bag can thus be stored secured to the mattress since during the compressive folding of the assembly on itself, for example by winding, the expulsion orifice of the air of the mattress is not obstructed. Similarly, during the preparation of the coating, once the sleeping bag is secured to the unfolded mattress, the swelling means are accessible.

Lorsque le sac de couchage comprend un second rabat s'étendant sur tout le pourtour de la partie supérieure à l'exception d'une zone d correspondant à la tête du dormeur, l'ouverture est de préférence ménagée au regard de ladite zone d.When the sleeping bag comprises a second flap extending around the entire periphery of the upper part except for a zone d corresponding to the head of the sleeper, the opening is preferably arranged with respect to said zone d.

La présente invention a pour objet également un ensemble pour couchage, comprenant un sac de couchage selon l'une quelconque des variantes de réalisation décrites précédemment et un matelas, d'une épaisseur déterminée, caractérisé en ce qu'il comprend un moyen de solidarisation permettant de maintenir ensemble en position enroulée ledit sac de couchage et ledit matelas, ledit matelas étant maintenu au sac de couchage par l'intermédiaire dudit premier rabat ou éventuellement desdits premier et second rabats.The present invention also relates to a coating assembly, comprising a sleeping bag according to any one of the embodiments described above and a mattress, of a determined thickness, characterized in that it comprises a securing means allowing keeping said sleeping bag and said mattress together in the wound position, said mat being held in the sleeping bag by said first flap or possibly said first and second flaps.

Avantageusement, le campeur replie par enroulement le sac de couchage et le matelas ensemble ce qui supprime des étapes de pliage fastidieuses. Lorsque le matelas est gonflable, il est dégonflé lors de cette étape d'enroulement.Advantageously, the camper rolls up the sleeping bag and the mattress together which eliminates tedious folding steps. When the mattress is inflatable, it is deflated during this winding step.

Lorsque le campeur prépare son couchage, il lui suffit de dérouler l'ensemble comprenant le sac de couchage solidarisé par l'intermédiaire du rabat et desdits moyens de fixation. Ainsi il suffit de disposer une seule fois le rabat du sac de couchage sur le matelas au cours d'une excursion ou d'une randonnée. De préférence, le matelas est autogonflant, ainsi lorsque ledit moyen de solidarisation est défait, l'ensemble décrit ci-dessus se déroule sans assistance.When the camper prepares his sleeping, it is sufficient for him to unwind the assembly comprising the sleeping bag secured by means of the flap and said fixing means. Thus, it is sufficient to have once the flap of the sleeping bag on the mattress during an excursion or a hike. Preferably, the mattress is self-inflating, so when said securing means is undone, the assembly described above proceeds without assistance.

Le moyen de solidarisation peut être par exemple une attache prévue sur le sac de couchage.The securing means may be for example a fastener provided on the sleeping bag.

La présente invention sera mieux comprise à la lecture de la description d'exemples de réalisation, cités à titre non limitatif, et illustrés dans les figures suivantes annexées :

  • la figure 1 est une vue en perspective de dessus d'une représentation schématique d'un premier exemple de réalisation d'un sac de couchage solidarisé à un matelas ;
  • la figure 2 est une vue de dessous d'une représentation schématique du premier exemple de sac de couchage seul ;
  • la figure 3 est une vue de dessus d'une représentation schématique du premier exemple de sac de couchage solidarisé à un matelas lors de la préparation du couchage du campeur ;
  • la figure 4 est une vue de dessous d'un deuxième exemple de sac de couchage selon la présente invention ;
  • la figure 5 est une vue de dessus du sac de couchage représenté à la figure 4 ;
  • la figure 6 est une vue en perspective et de face du sac de couchage représenté aux figures 4 et 5 en fonctionnement.
The present invention will be better understood on reading the description of exemplary embodiments, given by way of non-limiting example, and illustrated in the following appended figures:
  • the figure 1 is a perspective view from above of a schematic representation of a first embodiment of a sleeping bag secured to a mattress;
  • the figure 2 is a bottom view of a schematic representation of the first example of sleeping bag alone;
  • the figure 3 is a top view of a schematic representation of the first example of sleeping bag secured to a mattress during the preparation of the sleeping camper;
  • the figure 4 is a bottom view of a second example of a sleeping bag according to the present invention;
  • the figure 5 is a top view of the sleeping bag shown in the figure 4 ;
  • the figure 6 is a perspective and front view of the sleeping bag shown in Figures 4 and 5 Operating.

La présente invention a pour but de proposer un sac de couchage léger, compressible, confortable, apportant un bon confort thermique à son usager, et pouvant être utilisé aussi bien en extérieur dans des conditions de températures froides que dans un endroit abrité tel qu'un refuge ou une tente.The present invention aims to provide a lightweight sleeping bag, compressible, comfortable, providing good thermal comfort to its user, and can be used both outdoors in cold weather conditions in a sheltered place such as a refuge or tent.

Le sac de couchage 12 représenté à la figure 1 comprend un premier rabat 52 et un second rabat 53. Le premier rabat 52 est continu et d'un seul tenant sur tout le pourtour de la périphérie de la partie inférieure 42. Le second rabat 53 est continu et d'un seul tenant sur tout le pourtour de la périphérie de la partie supérieure 32 exception faite selon le bord 62d correspondant au passage ménagé dans le sac de couchage 12 afin que l'usager puisse s'y glisser. Le premier rabat 52 est confectionné dans le même panneau que la partie inférieure 42 et le second rabat 53 est confectionné dans le même panneau que la partie supérieure 32. Le premier rabat 52 et le second rabat 53 bordent ensembles la face inférieure 62 et enveloppent les bords 62a, 62b, 62c du matelas 22 en se superposant. Le premier rabat 52 enveloppe tous les bords du matelas 22 y compris le bord 62d. Cette disposition est particulièrement avantageuse puisqu'elle supprime tous les ponts thermiques et améliore le confort thermique de l'usager.The sleeping bag 12 shown at figure 1 comprises a first flap 52 and a second flap 53. The first flap 52 is continuous and in one piece all around the periphery of the lower portion 42. The second flap 53 is continuous and in one piece on all the periphery of the periphery of the upper part 32 except for the edge 62d corresponding to the passage in the sleeping bag 12 so that the user can slip. The first flap 52 is made in the same panel as the lower portion 42 and the second flap 53 is made in the same panel as the upper portion 32. The first flap 52 and the second flap 53 together border the lower face 62 and envelop the edges 62a, 62b, 62c of the mattress 22 superimposed. The first flap 52 envelops all the edges of the mattress 22 including the edge 62d. This arrangement is particularly advantageous since it eliminates all thermal bridges and improves the thermal comfort of the user.

Le premier rabat 52 et le second rabat 53 sont pourvus sur toute leur périphérie d'un fourreau f1 commun, dans lequel un cordon de serrage élastique 82 coulisse. Le cordon 82 est pourvu d'un élément de blocage 82a, par exemple du type TONKA®. Le cordon 82 sort du fourreau f1 notamment sur quatre zones aménagées sur celui-ci de manière à ce que deux moyens d'attache 92 et 93, par exemple des crochets, viennent assujettir les deux bords opposés des premier et second rabats 52 et 53. Le sac de couchage 12 est ainsi parfaitement solidaire du matelas 22 et ne peut glisser sur celui-ci. Grâce aux moyens élastiques apportés par le cordon 82, le sac de couchage laisse le dormeur libre de ses mouvements pendant son sommeil.The first flap 52 and the second flap 53 are provided over their entire periphery with a common sleeve F1, in which a resilient drawstring 82 slides. The cord 82 is provided with a locking element 82a, for example of the TONKA® type. The cord 82 comes out of the sleeve f1 in particular on four zones arranged thereon so that two fastening means 92 and 93, for example hooks, come to secure the two opposite edges of the first and second flaps 52 and 53. The sleeping bag 12 is thus perfectly integral with the mattress 22 and can not slide on it. Thanks to the elastic means provided by the cord 82, the sleeping bag leaves the sleeper free of his movements during his sleep.

Une fois le sac de couchage 12 solidarisé au matelas 22, il est possible de les maintenir ensemble enroulés par un moyen de solidarisation, tel qu'une housse de rangement ou une attache disposée sur le sac de couchage 12. A la figure 6, le sac de couchage 12 et le matelas 22 sont représentés lors de leur dépliement. De préférence, le matelas 22 est autogonflant de façon à ce que le sac 12 et le matelas 22 se déplient sans assistance. L'usager dispose ainsi d'un ensemble pour couchage facile à transporter et à installer.Once the sleeping bag 12 secured to the mattress 22, it is possible to hold them together wound by a securing means, such as a storage bag or a fastener disposed on the sleeping bag 12. A la figure 6 , the sleeping bag 12 and the mattress 22 are shown during their unfolding. Preferably, the mattress 22 is self-inflating so that the bag 12 and the mattress 22 unfold without assistance. The user thus has a set for sleeping easy to transport and install.

A la figure 2, le sac de couchage 12 est représenté sans le matelas 22 en position desserrée les premiers moyens de fixation 82, 82a et 92, 93 étant amovibles. On observe alors que l'espace de couchage est plus important puisque que les premier et second rabats 52 et 53 sont confectionnés dans le même panneau que les parties qu'ils bordent et ne sont solidarisés que selon le fourreau f1 commun. De préférence les dits panneaux sont une simple couche textile. La partie supérieure 32 présente la même capacité d'isolation thermique que la partie inférieure 42. L'espace de couchage n'est plus ainsi délimitée que selon la face supérieure du matelas 22, mais comprend également l'espace formé par les deux rabats 52 et 53. Le campeur dispose ainsi d'un sac de couchage polyvalent utilisable dans des conditions froides en position serrée lorsque les moyens de fixation 82,82a et 92,93 sont fermés, le volume d'air à réchauffer par la chaleur corporelle étant moindre ; et utilisable sous un abri, une tente ou dans une maison les dits moyens de fixation étant ouverts, le campeur dispose d'un sac de couchage 12 avec plus d'aisance, l'isolation thermique étant un facteur moindre.To the figure 2 , the sleeping bag 12 is shown without the mattress 22 in the loosened position, the first fastening means 82, 82a and 92, 93 being removable. It is then observed that the sleeping space is greater since the first and second flaps 52 and 53 are made in the same panel as the parts they border and are secured only in the common sleeve F1. Preferably said panels are a single textile layer. The upper part 32 has the same thermal insulation capacity as the lower part 42. The sleeping space is thus delimited only according to the upper face of the mattress 22, but also comprises the space formed by the two flaps 52 and 53. The camper thus has a bag of versatile bedding for use in cold conditions in a tight position when the fastening means 82,82a and 92,93 are closed, the volume of air to be heated by body heat being less; and usable under a shelter, a tent or in a house said means of attachment being open, the camper has a sleeping bag 12 with greater ease, thermal insulation being a factor less.

Par ailleurs, les matelas proposés sur le marché ayant généralement une face inférieure, en contact avec le sol, confectionnée dans un matériau résistant au poinçonnement et à l'abrasion ; et la face inférieure 62 du matelas 22 étant peu couverte par les rabats 52 et 53, il n'est donc pas nécessaire de confectionner lesdits rabats dans un matériau particulièrement résistant au poinçonnement.Moreover, the mattresses on the market generally having a lower face, in contact with the ground, made of a material resistant to punching and abrasion; and the lower face 62 of the mattress 22 being poorly covered by the flaps 52 and 53, it is therefore not necessary to make said flaps in a material particularly resistant to punching.

Dans l'exemple décrit ci-dessus, le rabat 52 est de préférence confectionné dans le même panneau que la partie inférieure 42. Ledit panneau est de préférence une simple couche textile, par exemple un tissu en polyester. Cette disposition supprime des opérations consistant à rapporter et fixer un rabat sur tout ou partie du pourtour de la périphérie de l'une ou l'autre des dites partie inférieure et supérieure par n'importe quels moyens connus de l'état de la technique, par exemple par couture.In the example described above, the flap 52 is preferably made in the same panel as the lower portion 42. Said panel is preferably a single textile layer, for example a polyester fabric. This provision eliminates operations consisting in reporting and fixing a flap on all or part of the perimeter of the periphery of one or the other of said lower and upper part by any means known from the state of the art, for example by sewing.

Les rabats peuvent être également fixés de façon amovibles sur la partie inférieure, par exemple à l'aide de bandes auto-aggrippantes du type Velcro®.The flaps can also be removably attached to the lower part, for example by Velcro® type self-gripping strips.

Les figures 3 à 6 représentent un deuxième exemple préféré de sac de couchage selon la présente invention dans ladite position d'enveloppement.The Figures 3 to 6 represent a second preferred example of a sleeping bag according to the present invention in said wrapping position.

Le sac de couchage 13 est très proche du sac de couchage 12 en ce qu'il comprend un premier rabat 54, continu et d'un seul tenant, s'étendant sur tout le pourtour de la partie inférieure 43 en sorte de recouvrir dans ladite position d'enveloppement le matelas 23 selon tous ses bords ; et un second rabat 55, continu et d'un seul tenant, s'étendant sur tour le pourtour de la partie supérieure 33 exception faite de la zone d dudit pourtour correspondant à la tête du dormeur. Le premier 54 et le second 55 rabats sont de préférence rapportés par couture sur les parties inférieure 43 et supérieure 33. La partie supérieure 33 a des dimensions supérieures à celles de la partie inférieure 44 en sorte d'obtenir un espace de couchage confortable dans lequel l'usager peut se mouvoir librement.The sleeping bag 13 is very close to the sleeping bag 12 in that it comprises a first flap 54, continuous and in one piece, extending all around the lower portion 43 so as to cover in said wrapping position the mattress 23 along all its edges; and a second flap 55, continuous and in one piece, extending around the circumference of the upper part 33 except for the zone d of said periphery corresponding to the head of the sleeper. The first 54 and the second 55 flaps are preferably reported by stitching on the lower 43 and upper 33 parts. upper 33 has dimensions greater than those of the lower portion 44 so as to obtain a comfortable sleeping space in which the user can move freely.

A la différence de l'exemple de sac de couchage 12 représenté aux figures 1 et 2, la partie supérieure 33 et le second rabat 55 sont dimensionnés en sorte de recouvrir au maximum le bord supérieure 63d du matelas 23 et ménager une zone d juste suffisante et confortable pour la tête afin d'améliorer l'isolation thermique.Unlike the example of sleeping bag 12 shown in FIGS. Figures 1 and 2 , the upper part 33 and the second flap 55 are sized so as to cover the upper edge 63d of the mattress 23 as far as possible and to provide a zone just sufficient and comfortable for the head to improve the thermal insulation.

De plus, la zone d pour le passage de la tête comprend deux ailes latérales l1 et l2 pourvues d'organes d'attache 14 et 15 à ses extrémités aptes à coopérer pour leur fermeture et former une boucle destinée à recevoir la tête du dormeur. Dans cet exemple précis, les organes d'attache 14 et 15 sont des bandes auto-agrippantes du type Velcro®. Les ailes latérales l1 et l2 ont une configuration en forme de U ouvert vers l'avant du sac de couchage 13. Les ailes latérales l1 et l2 sont de préférence rapportées par couture sur la partie supérieure 33 mais peuvent être rapportés par des moyens d'attache amovibles supportés par lesdites ailes et la partie supérieure en sorte que l'usager puisse ôter les ailes latérales l1 et l2. Les ailes latérales l1 et l2 sont de préférence dans un matériau doux au toucher et isolant thermiquement, tout au moins davantage que le matériau formant la partie inférieure 43. Les ailes latérales l1 et l2 soutiennent la tête et l'isole du froid.In addition, the zone d for the passage of the head comprises two lateral wings 11 and 12 provided with fasteners 14 and 15 at its ends adapted to cooperate for their closure and form a loop for receiving the head of the sleeper. In this specific example, the fastening members 14 and 15 are self-gripping strips of the Velcro® type. The lateral wings 11 and 12 have a U-shaped configuration open towards the front of the sleeping bag 13. The lateral wings 11 and 12 are preferably sewn on the upper part 33 but can be attached by means of removable fasteners supported by said wings and the upper part so that the user can remove the lateral wings 11 and 12. The lateral flanges 11 and 12 are preferably in a material which is soft to the touch and thermally insulating, at least more than the material forming the lower part 43. The lateral flanges 11 and 12 support the head and isolate it from the cold.

Par ailleurs, des moyens d'accès, ici une fermeture à glissière z, à l'espace de couchage délimité entre les parties supérieure 33 et inférieure 43 sont ménagés dans le second rabat 55 en sorte de recouvrir la face inférieure du matelas selon le bord longitudinal 63b dans ladite position d'enveloppement et diminuer les ponts thermiques entre la partie supérieure 33 et le matelas 23.Furthermore, access means, here a zipper z, to the sleeping space delimited between the upper 33 and lower 43 are formed in the second flap 55 so as to cover the underside of the mattress along the edge longitudinal 63b in said wrapping position and reduce the thermal bridges between the upper portion 33 and the mattress 23.

Enfin, une ouverture 16 est ménagée entre la partie inférieure 43 et le premier rabat 54, au regard de la zone d pour le passage des moyens de gonflement et/ou de gonflement du matelas 23, dans cet exemple précis la valve d'un matelas auto-gonflant 17. L'ouverture 16 permet de ranger le sac 13 solidarisé sur le matelas 23 puisqu'l est n'est pas nécessaire de les séparer pour gonfler ou dégonfler le matelas 23.Finally, an opening 16 is formed between the lower part 43 and the first flap 54, with regard to the zone d for the passage of the swelling and / or swelling means of the mattress 23, in this specific example the valve of a mattress self-inflating 17. The opening 16 allows storage of the bag 13 secured to the mattress 23 since it is not necessary to separate them to inflate or deflate the mattress 23.

Le fourreau f2 dans lequel coulisse le cordon élastique de serrage 83 comporte une ouverture supplémentaire 18 par rapport au sac de couchage 12 et disposée vers le bord arrière 63d du matelas 23 permettant à l'usager d'ajuster plus facilement le serrage du sac 13 sur le matelas 23.The sleeve f2 in which slides the elastic tightening cord 83 has an additional opening 18 relative to the sleeping bag 12 and disposed towards the rear edge 63d of the mattress 23 allowing the user to adjust more easily the tightening of the bag 13 on the mattress 23.

Claims (16)

  1. A sleeping bag (12, 13) designed to be attached to a mattress (22, 23), where said sleeping bag includes an upper part (32, 33) and a lower part (42, 43) superimposed, where said lower part is intended to be in contact with the top face (72) of said mattress, a first flap (52, 54) extending over all of the circumference of said lower part (42, 43) and a second flap (53, 55) partially bordering said upper part (32, 33) characterised :
    a) in that the said first flap is designed to cover the bottom face of said mattress (22, 23) along all of its edges in an enveloping position in which the lower part (42, 43) of the sleeping bag (12, 13) is placed against the top face of said mattress (22, 23),
    b) in that the said second flap (53, 55) is designed to cover the bottom face (62) of said mattress (22, 23) along at least its rear edge (62b, 63d) and its two longitudinal and opposite edges (62a, 62c, 63a, 63b), and optionally said first flap (52, 54), in an enveloping position in which the lower part of the sleeping bag (12, 13) is placed against the top face (72) of said mattress (22, 23),
    c) and in that the said sleeping bag includes first removable attachment means (82, 82a, 83, 92, 93) designed to flatten said first (52, 54) flap against the bottom face (72) of said mattress (22, 23) in said enveloping position, and second removable attachment means designed to flatten said second flap (53, 55), and optionally said first flap, against the bottom face of said mattress in said enveloping position.
  2. A sleeping bag (12, 13) according to claim 1, characterised in that said first flap (52, 54) is continuous, in one piece, along the whole circumference of the lower part (42, 43).
  3. A sleeping bag (13) according to one or the other of claims 1 and 2, characterised in that access means, such as a zip fastener (z), to the sleeping space formed between the upper part (33) and the lower part (43) are placed in a zone of the second flap (55) intended in said enveloping position to cover the bottom face of the mattress (23) along at least one of its longitudinal and opposite edges (63a, 63b).
  4. A sleeping bag (13) according to one of claims 1 to 3, characterised in that the zone (d) of the circumference of the upper part (33) corresponding to the head of the sleeper is devoid of first (54) or second (55) flaps, and in that in said zone (d), the upper part (33) includes two lateral wings (l1, l2) equipped with attachment devices (14, 15) designed to mate together so as to close and form a loop intended to receive the head of the sleeper.
  5. A sleeping bag (13) according to claim 4, characterised in that the lateral wings (l1, l2) have a U-shaped configuration open toward the front of said bag.
  6. A sleeping bag (12, 13) according to one of claims 1 to 5, characterised in that said second flap (53, 55) is continuous, in one piece, along all or part of the circumference of said upper part (32, 33).
  7. A sleeping bag (12, 13) according to one of claims 1 to 6, characterised in that said first flap (52) is formed from the same panel as the lower part (42, 43).
  8. A sleeping bag (12, 13) according to one of claims 1 to 7, characterised in that said second flap (53, 55) is formed from the same panel as said upper part (32, 33).
  9. A sleeping bag according to one of claims 1 to 8, characterised in that said first flap is equipped over all or part of its periphery with a duct (f), and in that said first attachment means include a drawstring, elastic in particular, sliding in said duct and possibly an element for locking the drawstring in the tightened position.
  10. A sleeping bag (12, 13) according to one of claims 1 to 9, characterised in that said first flap (52, 54) and said second flap (53, 55) are equipped over all or part of their periphery with a common duct (f1, f2), and in that said first and second attachment means include a drawstring (82, 83), elastic in particular, sliding in said duct and possibly an element for locking the drawstring in the tightened position (82a).
  11. A sleeping bag according to one of claims 1 to 10, characterised in that said first flap includes, over all or part of its periphery, an elastic edge acting as first attachment means.
  12. A sleeping bag according to one of claims 1 to 10, characterised in that said first flap and said second flap include, over all or part of their periphery, a common elastic edge acting as said first and second attachment means.
  13. A sleeping bag (12, 13) according to one of claims 1 to 12, characterised in that said first attachment means include at least one attachment means (92, 93), in particular fitted with hooks, used to fasten two opposite edges (62a, 62c, 63a, 63b) of said first flap (52, 54) or of said first (52, 54) and second (53, 55) flaps.
  14. A sleeping bag (13) according to one of claims 1 to 13, characterised in that the lower part (43) and/or the first flap (54) bordering said lower part (43) includes an opening (16) for passage of the inflation means and/or for deflation (17) of the mattress (23), such as the valve of a self-inflating mattress.
  15. A sleeping bag (13) according to one of claims 1 to 14, characterised in that the lower part (42, 43) is thermally less insulating than the upper part (32, 33).
  16. A sleeping kit, that includes a sleeping bag (12, 13) according to any of claims 1 to 15, and a mattress (22, 23), of a given thickness, characterised in that it includes an attachment means used to hold together said sleeping bag and said mattress in the rolled position, said mattress being held to the sleeping bag by means of said first flap (52, 54) or possibly said first (52, 54) and second (53, 55) flaps.
EP07823793A 2006-09-12 2007-09-10 Sleeping bag designed to be fastened to a mattress Active EP2061363B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0653691A FR2905580B1 (en) 2006-09-12 2006-09-12 SLEEPING BAG ADAPTED TO BE SOLIDARITY TO A MATTRESS
PCT/FR2007/051897 WO2008031975A2 (en) 2006-09-12 2007-09-10 Sleeping bag designed to be fastened to a mattress

Publications (2)

Publication Number Publication Date
EP2061363A2 EP2061363A2 (en) 2009-05-27
EP2061363B1 true EP2061363B1 (en) 2012-04-18

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EP07823793A Active EP2061363B1 (en) 2006-09-12 2007-09-10 Sleeping bag designed to be fastened to a mattress

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US (1) US20110113550A1 (en)
EP (1) EP2061363B1 (en)
CN (1) CN101528090B (en)
AT (1) ATE553676T1 (en)
ES (1) ES2387720T3 (en)
FR (1) FR2905580B1 (en)
WO (1) WO2008031975A2 (en)

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CN102240124A (en) * 2011-06-30 2011-11-16 吴江兴远纺织有限公司 Infant sleeping bag
FR2979811A1 (en) * 2011-09-12 2013-03-15 Decathlon Sa SLEEPING BAG FOR RECEIVING A MATTRESS, AND ASSEMBLY COMPRISING A SLEEPING BAG AND A MATTRESS.
CN102835865A (en) * 2012-10-08 2012-12-26 红豆集团（无锡）纺织品有限公司 Multifunctional windproof and warm-keeping protection cover
US9237977B2 (en) * 2014-04-08 2016-01-19 Nedunchezian Sithian Support for relief of pressure ulcers
US9237978B2 (en) * 2014-04-08 2016-01-19 Nedunchezian Sithian Support for relief of pressure ulcers
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US20110113550A1 (en) 2011-05-19
FR2905580A1 (en) 2008-03-14
ATE553676T1 (en) 2012-05-15
EP2061363A2 (en) 2009-05-27
WO2008031975A2 (en) 2008-03-20
CN101528090A (en) 2009-09-09
ES2387720T3 (en) 2012-09-28
CN101528090B (en) 2011-10-12
WO2008031975A3 (en) 2008-05-22
FR2905580B1 (en) 2011-03-04

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