EP3744941A1 - Acoustic box for a roller shutter - Google Patents

Acoustic box for a roller shutter Download PDF

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Publication number
EP3744941A1
EP3744941A1 EP20177543.4A EP20177543A EP3744941A1 EP 3744941 A1 EP3744941 A1 EP 3744941A1 EP 20177543 A EP20177543 A EP 20177543A EP 3744941 A1 EP3744941 A1 EP 3744941A1
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EP
European Patent Office
Prior art keywords
box
cells
boards
roller shutter
wall
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Granted
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EP20177543.4A
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German (de)
French (fr)
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EP3744941B1 (en
Inventor
Milan Mitrovic
Olivier Hess
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Soprofen SAS
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Soprofen SAS
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E06B9/17007—Shutter boxes; Details or component parts thereof

Definitions

  • the present invention relates to the general field of roller shutters contained in a safe. It relates more precisely to a roller shutter box assembly, the box of which has increased sound insulation.
  • Rolling shutters conventionally comprise a prefabricated box containing a winding shaft, not shown, resting at its ends on bearings integral with the end flanges of said box and to which is attached an apron, not shown, formed of blades. horizontals hinged to each other and whose ends move vertically inside guide slides, not shown, integral with a window of a building associated with the rolling shutter or with the masonry of the building surrounding said window.
  • roller shutter is very efficient from a mechanical and kinematic point of view, but has the drawback of being relatively noisy, in particular in the area of the safe, most of which is placed inside the building. Indeed, during renovation work on the windows of a building, the box of each roller shutter, which is usually pre-assembled in the factory and produced by assembling planks or panels in polyvinyl chloride (PVC), advantageously double-walled, cannot not be integrated into the masonry and is therefore disposed projecting inside the building against the masonry.
  • PVC polyvinyl chloride
  • the aim of the present invention is to strengthen the overall acoustic performance of a roller shutter box by providing a board variant of a box that is easy to use in said box and makes it possible to increase the sound insulation of the latter. , while ensuring good mechanical strength of this box, which is mounted cantilever on the upper frame of a window.
  • an acoustic box for a roller shutter comprising at least rear, upper, front and lower boards. each comprising at least one internal wall, an external wall and a plurality of cells extending longitudinally between said internal and external walls, said box being remarkable in that the majority of the cells of at least one of the rear, upper boards, front and bottom have a cross section in the shape of a circle, or hexagon and / or pentagon having at least one side inclined with respect to the associated internal and / or external wall (s) or closed hybrid line composed of a association of circle and a hexagon or pentagon.
  • the cells have sections of different dimensions and shape.
  • the rear, top, front and bottom planks are advantageously made of polyvinyl chloride.
  • FIG. 1 there is shown a box 1 for a roller shutter according to the prior art made from an assembly of longitudinal boards 2,3,4,5 and two end plates, not shown, said end plates and boards 2,3,4,5 conventionally being double walls made of polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • a box 10 for a roller shutter similar to the box 1 of the prior art described above and also made from an assembly of two end plates, not shown, and longitudinal boards, namely a rear board 11 located on the side of the masonry or window associated with the roller shutter, an upper board 12, a front board 13, and a lower board 14, said end plates and boards conventionally being made of polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • the box 10 according to the invention differs from that of the prior art in that the rear 11, upper 12, front 13 and lower 14 boards are double walls each comprising at least one internal wall 11a, 12a, 13a. , 14a, an outer wall 11b, 12b, 13b, 14b and a plurality of cells 11c, 12c, 13c, 14c extending longitudinally between said inner walls 11a, 12a, 13a, 14a and outer 11b, 12b, 13b, 14b .
  • the cells 11c, 12c, 13c, 14c of at least one of the rear 11, upper 12, front 13 and lower 14 boards have a cross section in the form of a closed curve, a polygon having at least one side inclined relative to the wall internal 11a, 12a, 13a, 14a and / or external 11b, 12b, 13b, 14b associated (s) or closed hybrid line composed of an association of a curve and a polygon.
  • inclined relative to the associated internal and / or external wall denotes here the fact that the cross section of each cell has at least one side which is not parallel or not perpendicular to the associated internal and / or external wall or to the portion. of the associated internal and / or external wall located near said cell, in the case of an internal and / or external wall that is not entirely flat.
  • the cells 11c, 12c, 13c, 14c advantageously have sections of different dimensions and shape.
  • the upper 12 and lower 14 boards comprise a majority of cells 12c, 14c in the shape of a hexagon and a pentagon.
  • the lower board 14' comprises a majority of cells 14c 'in the form of a circle.
  • the other boards of the box 10' may also include a majority of cells in the form of a circle.
  • major is used here to denote the fact that the hexagon, pentagon or circle shaped cells represent the largest set of cells among all the cells of the board or boards of the safe 10, 10 '.
  • the box 10 finds a particular application for containing a roller shutter of a window.

Abstract

La présente invention concerne un coffre (10) acoustique pour volet roulant comprenant au moins des planches arrière (11), supérieure (12), avant (13) et inférieure (14) remarquable en ce que les planches arrière (11), supérieure (12), avant (13) et inférieure (14) comportent chacune au moins une paroi interne (11a, 12a, 13a, 14a), une paroi externe (11b, 12b, 13b, 14b) et une pluralité d'alvéoles (11c, 12c, 13c, 14c) s'étendant longitudinalement entre lesdites parois interne (11a, 12a, 13a, 14a) et externe (11b, 12b, 13b, 14b) et en ce que les alvéoles (11c, 12c, 13c, 14c) d'au moins une des planches ont une section transversale en forme de courbe fermée, ou de polygone ayant au moins un côté incliné par rapport à la paroi interne (11a, 12a, 13a, 14a) et/ou externe (11b, 12b, 13b, 14b) associée(s) ou de ligne hybride fermée composée d'une association d'une courbe et d'un polygone.

Figure imgaf001
The present invention relates to an acoustic box (10) for a roller shutter comprising at least rear (11), upper (12), front (13) and lower (14) boards, remarkable in that the rear (11), upper ( 12), front (13) and lower (14) each comprise at least one internal wall (11a, 12a, 13a, 14a), an external wall (11b, 12b, 13b, 14b) and a plurality of cells (11c, 12c, 13c, 14c) extending longitudinally between said inner (11a, 12a, 13a, 14a) and outer (11b, 12b, 13b, 14b) walls and in that the cells (11c, 12c, 13c, 14c) d 'at least one of the boards have a cross section in the form of a closed curve, or of a polygon having at least one side inclined with respect to the internal (11a, 12a, 13a, 14a) and / or external (11b, 12b, 13b) wall , 14b) associated or closed hybrid line composed of a combination of a curve and a polygon.
Figure imgaf001

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention se rapporte au domaine général des volets roulants contenus dans un coffre. Elle vise plus précisément un ensemble de coffre de volet roulant dont le coffre présente une isolation acoustique accrue.The present invention relates to the general field of roller shutters contained in a safe. It relates more precisely to a roller shutter box assembly, the box of which has increased sound insulation.

Etat de la techniqueState of the art

Les volets roulants comportent, de manière classique, un coffre préfabriqué contenant un arbre d'enroulement, non représenté, reposant par ses extrémités sur des paliers solidaires des flasques d'extrémité dudit coffre et auquel est accroché un tablier, non représenté, formé de lames horizontales articulées entre elles et dont les extrémités se déplacent verticalement à l'intérieur de coulisses de guidage, non représentées, solidaires d'une fenêtre d'un bâtiment associée au volet roulant ou de la maçonnerie du bâtiment entourant ladite fenêtre. Ainsi, pour remonter le volet roulant, on enroule le tablier autour de l'arbre et au contraire, pour descendre le volet roulant, on déroule le tablier.Rolling shutters conventionally comprise a prefabricated box containing a winding shaft, not shown, resting at its ends on bearings integral with the end flanges of said box and to which is attached an apron, not shown, formed of blades. horizontals hinged to each other and whose ends move vertically inside guide slides, not shown, integral with a window of a building associated with the rolling shutter or with the masonry of the building surrounding said window. Thus, to raise the roller shutter, the apron is wound around the shaft and on the contrary, to lower the roller shutter, the apron is unrolled.

Ce type de volets roulants est très performant du point de vue mécanique et cinématique, mais présente l'inconvénient d'être relativement bruyant notamment au niveau du coffre dont la majeure partie est disposée à l'intérieur du bâtiment. En effet, lors des travaux de rénovation des fenêtres d'un bâtiment, le coffre de chaque volet roulant, qui est habituellement prémonté en usine et réalisé par assemblage de planches ou panneaux en polychlorure de vinyle (PVC) avantageusement à double paroi, ne peut pas être intégré à la maçonnerie et est donc disposé en saillie à l'intérieur du bâtiment contre la maçonnerie.This type of roller shutter is very efficient from a mechanical and kinematic point of view, but has the drawback of being relatively noisy, in particular in the area of the safe, most of which is placed inside the building. Indeed, during renovation work on the windows of a building, the box of each roller shutter, which is usually pre-assembled in the factory and produced by assembling planks or panels in polyvinyl chloride (PVC), advantageously double-walled, cannot not be integrated into the masonry and is therefore disposed projecting inside the building against the masonry.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est de renforcer la performance acoustique globale d'un coffre de volet roulant en proposant une variante de planche d'un coffre facile à mettre en œuvre dans ledit coffre et permettant d'accroitre l'isolation acoustique de ce dernier, tout en garantissant une bonne tenue mécanique de ce coffre, qui est monté en porte-à-faux sur le dormant supérieur d'une fenêtre.The aim of the present invention is to strengthen the overall acoustic performance of a roller shutter box by providing a board variant of a box that is easy to use in said box and makes it possible to increase the sound insulation of the latter. , while ensuring good mechanical strength of this box, which is mounted cantilever on the upper frame of a window.

Conformément à l'invention, il est donc proposé un coffre acoustique pour volet roulant comprenant au moins des planches arrière, supérieure, avant et inférieure comportant chacune au moins une paroi interne, une paroi externe et une pluralité d'alvéoles s'étendant longitudinalement entre lesdites parois interne et externe, ledit coffre étant remarquable en ce que la majorité des alvéoles d'au moins une des planches arrière, supérieure, avant et inférieure ont une section transversale en forme de cercle, ou d'hexagone et/ou de pentagone ayant au moins un côté incliné par rapport à la paroi interne et/ou externe associée(s) ou de ligne hybride fermée composée d'une association de cercle et d'un hexagone ou pentagone.According to the invention, there is therefore proposed an acoustic box for a roller shutter comprising at least rear, upper, front and lower boards. each comprising at least one internal wall, an external wall and a plurality of cells extending longitudinally between said internal and external walls, said box being remarkable in that the majority of the cells of at least one of the rear, upper boards, front and bottom have a cross section in the shape of a circle, or hexagon and / or pentagon having at least one side inclined with respect to the associated internal and / or external wall (s) or closed hybrid line composed of a association of circle and a hexagon or pentagon.

Selon un mode de réalisation préféré, les alvéoles ont des sections de dimensions et de forme différentes.According to a preferred embodiment, the cells have sections of different dimensions and shape.

Les planches arrière, supérieure, avant et inférieure sont avantageusement fabriquées en polychlorure de vinyle.The rear, top, front and bottom planks are advantageously made of polyvinyl chloride.

Brève description des figuresBrief description of the figures

D'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre d'un mode d'exécution de l'invention en référence aux figures annexées sur lesquelles :

  • [Fig 1] est une vue en coupe verticale d'un coffre de volet roulant selon l'art antérieur,
  • [Fig 2] est une vue en coupe verticale d'une première variante d'un coffre de volet roulant conforme à l'invention,
  • [Fig 3] est une vue en coupe verticale partielle d'une deuxième variante d'un coffre de volet roulant conforme à l'invention,
  • [Fig 4] est un schéma explicatif du principe d'isolation acoustique du coffre de la figure 2.
Other advantages and characteristics will emerge better from the following description of an embodiment of the invention with reference to the appended figures in which:
  • [ Fig 1 ] is a vertical sectional view of a roller shutter box according to the prior art,
  • [ Fig 2 ] is a vertical sectional view of a first variant of a roller shutter box according to the invention,
  • [ Fig 3 ] is a partial vertical sectional view of a second variant of a roller shutter box according to the invention,
  • [ Fig 4 ] is an explanatory diagram of the principle of sound insulation of the trunk of the figure 2 .

Description des modes de réalisationDescription of embodiments

Sur la figure 1, on a représenté un coffre 1 pour volet roulant selon l'art antérieur réalisé à partir d'un assemblage de planches 2,3,4,5 longitudinales et de deux flasques d'extrémités, non représentés, lesdits flasques d'extrémités et planches 2,3,4,5 étant classiquement des doubles parois fabriquées en polychlorure de vinyle (PVC).On the figure 1 , there is shown a box 1 for a roller shutter according to the prior art made from an assembly of longitudinal boards 2,3,4,5 and two end plates, not shown, said end plates and boards 2,3,4,5 conventionally being double walls made of polyvinyl chloride (PVC).

Sur les figures 2 à 4, on a représenté un coffre 10 pour volet roulant conforme à l'invention semblable au coffre 1 de l'art antérieur décrit précédemment et également réalisé à partir d'un assemblage de deux flasques d'extrémités, non représentés, et de planches longitudinales, à savoir une planche arrière 11 située du côté de la maçonnerie ou fenêtre associée au volet roulant, une planche supérieure 12, une planche avant 13, et une planche inférieure 14, lesdits flasques d'extrémités et planches étant classiquement en polychlorure de vinyle (PVC).On the figures 2 to 4 , there is shown a box 10 for a roller shutter according to the invention similar to the box 1 of the prior art described above and also made from an assembly of two end plates, not shown, and longitudinal boards, namely a rear board 11 located on the side of the masonry or window associated with the roller shutter, an upper board 12, a front board 13, and a lower board 14, said end plates and boards conventionally being made of polyvinyl chloride (PVC).

Toutefois, le coffre 10 conforme à l'invention diffère de celui de l'art antérieur en ce que les planches arrière 11, supérieure 12, avant 13 et inférieure 14 sont des doubles parois comportant chacune au moins une paroi interne 11a, 12a, 13a, 14a, une paroi externe 11b, 12b, 13b, 14b et une pluralité d'alvéoles 11c, 12c, 13c, 14c s'étendant longitudinalement entre lesdites parois interne 11a, 12a, 13a, 14a et externe 11b, 12b, 13b, 14b.However, the box 10 according to the invention differs from that of the prior art in that the rear 11, upper 12, front 13 and lower 14 boards are double walls each comprising at least one internal wall 11a, 12a, 13a. , 14a, an outer wall 11b, 12b, 13b, 14b and a plurality of cells 11c, 12c, 13c, 14c extending longitudinally between said inner walls 11a, 12a, 13a, 14a and outer 11b, 12b, 13b, 14b .

Les alvéoles 11c, 12c, 13c, 14c d'au moins une des planches arrière 11, supérieure 12, avant 13 et inférieure 14 ont une section transversale en forme de courbe fermée, de polygone ayant au moins un côté incliné par rapport à la paroi interne 11a, 12a, 13a, 14a et/ou externe 11b, 12b, 13b, 14b associée(s) ou de ligne hybride fermée composée d'une association d'une courbe et d'un polygone.The cells 11c, 12c, 13c, 14c of at least one of the rear 11, upper 12, front 13 and lower 14 boards have a cross section in the form of a closed curve, a polygon having at least one side inclined relative to the wall internal 11a, 12a, 13a, 14a and / or external 11b, 12b, 13b, 14b associated (s) or closed hybrid line composed of an association of a curve and a polygon.

On désigne ici par "incliné par rapport à la paroi interne et/ou externe associée" le fait que la section transversale de chaque alvéole comporte au moins un côté non parallèle ou non perpendiculaire à la paroi interne et/ou externe associée ou à la portion de la paroi interne et/ou externe associée située à proximité de ladite alvéole, dans le cas de paroi interne et/ou externe non entièrement plane.The term “inclined relative to the associated internal and / or external wall” denotes here the fact that the cross section of each cell has at least one side which is not parallel or not perpendicular to the associated internal and / or external wall or to the portion. of the associated internal and / or external wall located near said cell, in the case of an internal and / or external wall that is not entirely flat.

Compte tenu de la forme spécifique des planches arrière 11, supérieure 12, avant 13 et inférieure 14 et pour des raisons évidentes de faisabilité de leur fabrication, on comprend bien que seule une majorité des alvéoles 11c, 12c, 13c, 14c pourront avoir une section transversale telle que précédemment décrite, sans sortir du cadre de la présente invention.Given the specific shape of the rear 11, upper 12, front 13 and lower 14 boards and for obvious reasons of feasibility of their manufacture, it is understood that only a majority of the cells 11c, 12c, 13c, 14c may have a section transverse as described above, without departing from the scope of the present invention.

Par ailleurs, les alvéoles 11c, 12c, 13c, 14c ont avantageusement des sections de dimensions et de forme différentes.Furthermore, the cells 11c, 12c, 13c, 14c advantageously have sections of different dimensions and shape.

Ainsi, en référence à la figure 2, selon une première variante de réalisation du coffre 10 conforme à l'invention, les planches supérieure 12 et inférieure 14 comportent une majorité d'alvéoles 12c, 14c en forme d'hexagone et de pentagone.Thus, with reference to the figure 2 , according to a first variant embodiment of the box 10 in accordance with the invention, the upper 12 and lower 14 boards comprise a majority of cells 12c, 14c in the shape of a hexagon and a pentagon.

De même, en référence à la figure 3, selon une deuxième variante de réalisation du coffre 10' conforme à l'invention la planche inférieure 14' comporte une majorité d'alvéoles 14c' en forme de cercle. On comprend bien que sur la figure 3 seule la planche inférieure 14' est représentée, mais que les autres planches du coffre 10' pourront également comporter une majorité d'alvéoles en forme de cercle.Likewise, with reference to the figure 3 , according to a second variant embodiment of the box 10 'in accordance with the invention, the lower board 14' comprises a majority of cells 14c 'in the form of a circle. We understand that on the figure 3 only the lower board 14 'is shown, but the other boards of the box 10' may also include a majority of cells in the form of a circle.

On désigne ici par "majorité" le fait que les alvéoles en forme d'hexagone, de pentagone ou de cercle représentent le plus grand ensemble d'alvéoles parmi toutes les alvéoles de la ou des planches du coffre 10, 10'.The term “majority” is used here to denote the fact that the hexagon, pentagon or circle shaped cells represent the largest set of cells among all the cells of the board or boards of the safe 10, 10 '.

Sur la figure 4, pour expliquer le phénomène d'isolation acoustique, on a représenté la dissipation de l'énergie acoustique lors du passage d'une onde sonore S incidente, provenant de l'intérieur du coffre 10, au travers des différentes parois de la planche inférieure 14 et des alvéoles 14c. Ainsi, l'onde sonore S provenant de l'intérieur du coffre 10 va rencontrer la paroi interne 14a de la planche inférieure 14 dudit coffre 10, une partie de son énergie acoustique va alors être réfléchie et l'autre partie va être transmise à l'intérieur d'une première alvéole 14c. Cette énergie transmise va alors se réfléchir en partie sur toutes les parois de cette première alvéole 14c et la partie restant va être elle transmise à l'intérieur des autres alvéoles adjacentes, et ainsi de suite jusqu'à ce qu'une partie très réduite de l'énergie acoustique de l'onde sonore S incidente initiale soit transmise au travers de la paroi externe 14b de la planche inférieure 14 dudit coffre 10 à l'extérieur de ce dernier. Dès lors, on comprend bien qu'un grand nombre d'alvéoles avec des côtés inclinés et des formes (cercle et/ou hexagone et/ou pentagone) et/ou dimensions différentes favorisent le phénomène de réflexion/transmission et donc le phénomène de dissipation de l'énergie acoustique dans les planches du coffre 10 selon l'invention, ce qui a pour effet d'accroître l'isolation acoustique de ce dernier. Par ailleurs, le fait d'avoir des alvéoles avec des côtés inclinés évite la génération d'ondes acoustiques planes ce qui augmente aussi la performance acoustique dudit coffre 10.On the figure 4 , to explain the sound insulation phenomenon, the dissipation of acoustic energy has been shown during the passage of an incident sound wave S, coming from inside the box 10, through the various walls of the lower board 14 and 14c cells. Thus, the sound wave S coming from inside the box 10 will meet the internal wall 14a of the lower board 14 of said box 10, part of its acoustic energy will then be reflected and the other part will be transmitted to the box. 'inside a first cell 14c. This transmitted energy will then be reflected in part on all the walls of this first cell 14c and the remaining part will be transmitted inside the other adjacent cells, and so on until a very small part of the acoustic energy of the initial incident sound wave S is transmitted through the outer wall 14b of the lower plate 14 of said box 10 to the outside of the latter. Therefore, it is well understood that a large number of cells with inclined sides and shapes (circle and / or hexagon and / or pentagon) and / or different dimensions favor the phenomenon of reflection / transmission and therefore the phenomenon of dissipation. acoustic energy in the boards of the box 10 according to the invention, which has the effect of increasing the acoustic insulation of the latter. Furthermore, the fact of having cells with inclined sides prevents the generation of flat acoustic waves, which also increases the acoustic performance of said box 10.

Par conséquent, plus le nombre d'alvéoles avec des côtés inclinés et des formes et/ou dimensions différentes est élevé et plus l'isolation acoustique du coffre 10, 10' est élevée. Il est donc important d'avoir au moins une majorité d'alvéoles avec des côtés inclinés et des formes et/ou dimensions différentes.Consequently, the greater the number of cells with inclined sides and different shapes and / or dimensions, the greater the sound insulation of the box 10, 10 '. It is therefore important to have at least a majority of cells with inclined sides and different shapes and / or dimensions.

Enfin, on comprend bien le fait que les planches arrière 11, supérieure 12, avant 13 et inférieure 14, 14' du coffre 10, 10' comportent des alvéoles 11c, 12c, 13c, 14c, 14c', renforce également la résistance mécanique dudit coffre.Finally, we understand the fact that the rear 11, upper 12, front 13 and lower 14, 14 'boards of the box 10, 10' have cells 11c, 12c, 13c, 14c, 14c ', also reinforces the mechanical strength of said chest.

Le coffre 10 selon l'invention trouve une application particulière pour contenir un volet roulant d'une fenêtre.The box 10 according to the invention finds a particular application for containing a roller shutter of a window.

Enfin, il va de soi que les exemples de coffres 10 conformes à l'invention qui viennent d'être décrits ne sont que des illustrations particulières, en aucun cas limitatives de l'invention.Finally, it goes without saying that the examples of chests 10 in accordance with the invention which have just been described are only specific illustrations, in no way limiting the invention.

Claims (3)

Coffre (10, 10') acoustique pour volet roulant comprenant au moins des planches arrière (11), supérieure (12), avant (13) et inférieure (14, 14') comportant chacune au moins une paroi interne (11a, 12a, 13a, 14a), une paroi externe (11b, 12b, 13b, 14b) et une pluralité d'alvéoles (11c, 12c, 13c, 14c, 14c') s'étendant longitudinalement entre lesdites parois interne (11a, 12a, 13a, 14a) et externe (11b, 12b, 13b, 14b), ledit coffre (10, 10') étant caractérisé en ce que la majorité des alvéoles (11c, 12c, 13c, 14c, 14c') d'au moins une des planches arrière (11), supérieure (12), avant (13) et inférieure (14, 14') ont une section transversale en forme de cercle, ou d'hexagone et/ou de pentagone ayant au moins un côté incliné par rapport à la paroi interne (11a, 12a, 13a, 14a) et/ou externe (11b, 12b, 13b, 14b) associée(s) ou de ligne hybride fermée composée d'une association de cercle et d'un hexagone ou pentagone.Acoustic box (10, 10 ') for roller shutters comprising at least rear (11), upper (12), front (13) and lower (14, 14') boards each comprising at least one internal wall (11a, 12a, 13a, 14a), an outer wall (11b, 12b, 13b, 14b) and a plurality of cells (11c, 12c, 13c, 14c, 14c ') extending longitudinally between said inner walls (11a, 12a, 13a, 14a) and external (11b, 12b, 13b, 14b), said box (10, 10 ') being characterized in that the majority of the cells (11c, 12c, 13c, 14c, 14c') of at least one of the boards rear (11), upper (12), front (13) and lower (14, 14 ') have a cross section in the shape of a circle, or of a hexagon and / or of a pentagon having at least one side inclined with respect to the internal wall (11a, 12a, 13a, 14a) and / or external (11b, 12b, 13b, 14b) associated (s) or closed hybrid line composed of an association of circle and a hexagon or pentagon. Coffre (10, 10') selon la revendication 1 caractérisé en ce que les alvéoles (11c, 12c, 13c, 14c, 14c') sont des sections de dimensions et de forme différentes.Safe (10, 10 ') according to Claim 1, characterized in that the cells (11c, 12c, 13c, 14c, 14c') are sections of different sizes and shapes. Coffre (10, 10') selon l'une quelconque des revendications 1 ou 2 caractérisé en ce que les planches arrière (11), supérieure (12), avant (13) et inférieure (14, 14') sont fabriquées en polychlorure de vinyle.Safe (10, 10 ') according to any one of claims 1 or 2 characterized in that the rear (11), upper (12), front (13) and lower (14, 14') boards are made of polychloride vinyl.
EP20177543.4A 2019-05-31 2020-05-29 Acoustic box for a roller shutter Active EP3744941B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1905815A FR3096717A1 (en) 2019-05-31 2019-05-31 ROLLING SHUTTER ACOUSTIC CASE

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EP3744941A1 true EP3744941A1 (en) 2020-12-02
EP3744941B1 EP3744941B1 (en) 2023-01-25

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EP20177543.4A Active EP3744941B1 (en) 2019-05-31 2020-05-29 Acoustic box for a roller shutter

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EP (1) EP3744941B1 (en)
FR (1) FR3096717A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166479A (en) * 1984-11-01 1986-05-08 Thyssen Plastik Anger Kg Roller blind housing
EP0997604A1 (en) * 1998-10-09 2000-05-03 Ecran System (Sarl) Device for fixing a roller shutter box, in particular to the upper beam of a frame

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT4092U1 (en) * 1998-09-04 2001-01-25 Wo & Wo Gruen Gmbh IN THE ESSENTIAL U-SHAPED BOX PROFILE
DE20211717U1 (en) * 2002-07-29 2003-12-11 Wiehofsky, Gabi Window roller blind cassette fabricated from two L-shaped overlapping hollow plastic profiles with mitred corners

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166479A (en) * 1984-11-01 1986-05-08 Thyssen Plastik Anger Kg Roller blind housing
EP0997604A1 (en) * 1998-10-09 2000-05-03 Ecran System (Sarl) Device for fixing a roller shutter box, in particular to the upper beam of a frame

Also Published As

Publication number Publication date
FR3096717A1 (en) 2020-12-04
EP3744941B1 (en) 2023-01-25

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