EP3581728B1 - Removable panel and suspended ceiling including such a removable panel - Google Patents

Removable panel and suspended ceiling including such a removable panel Download PDF

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Publication number
EP3581728B1
EP3581728B1 EP19179483.3A EP19179483A EP3581728B1 EP 3581728 B1 EP3581728 B1 EP 3581728B1 EP 19179483 A EP19179483 A EP 19179483A EP 3581728 B1 EP3581728 B1 EP 3581728B1
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EP
European Patent Office
Prior art keywords
suspended ceiling
frame
panel
opening
section
Prior art date
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Active
Application number
EP19179483.3A
Other languages
German (de)
French (fr)
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EP3581728A1 (en
Inventor
Guillaume Martin
Yannick LAGARDERE
Charles LOMBARD
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Texaa
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Texaa
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Publication of EP3581728A1 publication Critical patent/EP3581728A1/en
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Publication of EP3581728B1 publication Critical patent/EP3581728B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/248—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of permanent magnetic force held against the underside of the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B2009/0492—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like with fabrics tensioned on frames
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0428—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having a closed frame around the periphery

Definitions

  • the invention belongs to the field of architecture.
  • the invention belongs to the field of suspended ceilings.
  • the installation of a suspended ceiling makes it possible to conceal in particular the ventilation ducts and the electrical cable trays by creating a technical vacuum, or plenum.
  • the European patent application EP 0 976 887 for example describes a system comprising a base and a counterbase sandwiched on either side of a hatch, and integrated into a suspended false ceiling.
  • the dimensions of the base are sufficient to support the hatch, while the dimensions of the counterbase are large enough to allow lift and release the hatch to allow access to the plenum for an operator in charge of maintenance.
  • a disadvantage of such a system is that it visually stands out from the rest of the false ceiling, which can prove to be troublesome for false ceilings for which uniformity is desired.
  • US patent US 8,056,294 describes an acoustic suspended ceiling comprising a metal frame intended to receive acoustic panels.
  • the metal frame occasionally has a resilient material making it possible to insert or remove an acoustic panel by elastic deformation of said resilient material.
  • the acoustic panel is held in place by the resilient material which returns to its initial shape once the panel is in place.
  • the resilient material can be implemented over the acoustic panels.
  • a drawback of this system is that this type of installation is liable to damage the acoustic panel when the panel is placed or released from the metal frame.
  • the invention aims to resolve the drawbacks of the prior art.
  • the safety device comprises a gripping portion allowing an operator to grip said safety device in order to release the opening from the frame when said opening is fitted into said frame.
  • the gripping portion has at a free end a gripping means extending generally perpendicular to the rest of said gripping portion.
  • the frame has a square section.
  • the invention also relates to a suspended ceiling comprising a set of modular panels characterized in that it comprises at least one removable panel according to the invention.
  • the modular panels are held together by linear junction systems ensuring flatness of said suspended ceiling.
  • an acoustic suspended ceiling 1 is composed of a set of modular panels 10 declined in filter panels 10F and absorbent panels 10A, respectively named in the remainder of the description “filters” and “absorbents”.
  • Modular panels 10 are fixed between them by linear junction systems 6, themselves fixed to the ceiling by a system of cables 2, as illustrated on figure 2 .
  • the filters 10F are acoustic panels composed of a metal frame covered with a perforated textile cover 11 stretched over said frame.
  • the filters 10F make it possible, for example, to screen a light source located in a plenum located between the suspended ceiling 1 and a ceiling of a room in which said suspended ceiling is installed, or to let the air of an air conditioner circulate.
  • Absorbents 10A are opaque elements intended for acoustic correction.
  • the absorbents 10A are panels composed of a metal frame, an absorbent wadding and a microporous veil, the whole being covered with a textile cover 11.
  • the suspended ceiling 1 further comprises at least one removable panel 10T as illustrated in figure 2 .
  • the removable panel 10T also has a filter or absorbent function but can be partially released from the rest of the suspended ceiling 1 to allow access to the technical plenum, as will be understood below.
  • Each removable panel 10T is composed of a frame 100T and a sash 101T, said sash being able to fit into said frame reversibly, from below said frame so that, when the sash 101T is nested in the frame 100T, the removable panel 10T is not significantly different from the other modular panels 10 making up the suspended ceiling 1.
  • the frame 100T consists mainly of a rectangular metal frame, hereinafter referred to as "frame", having substantially the dimensions of another panel 10 of the suspended ceiling 1, and comprising four profiles with an angled section suitable for receiving the 'opening 101T.
  • frame a rectangular metal frame
  • the shape of the removable panel 10T is not limited to the rectangular shape but can be declined in various geometric shapes, depending in particular on the shape of the other panels of the suspended ceiling 1 in which it is intended to be integrated.
  • the frame 100T is fixed to the other panels 10 by the same linear junction system 6 as that used between any two panels 10.
  • the opening 101T consists mainly of a metal frame, hereinafter referred to as "opening frame” having substantially the dimensions of another panel 10 of the suspended ceiling 1, and comprising four square section profiles on which is intended to be stretched the textile adapted to the role that the panel must play, that is to say filter or absorbent.
  • the sections of the profiles of the fixed and opening frames described above are those of a preferred embodiment, those skilled in the art will understand that they are not limited to them.
  • the opening frame could also have the shape of a C-section.
  • the opening 101T is equipped with a set of magnets 3 on an upper face 1010 formed by an upper face of the set of sections of the opening frame.
  • the magnets 3 are distributed over two parallel sections of the metal frame, two of said magnets being placed on a first section and two other magnets being placed opposite each other on the parallel section.
  • the magnets allow said sash to be held in said frame by means of a magnetic force exerted by the magnets 3 on the metal frames of the sash and the frame.
  • a symmetrical distribution of the magnets as illustrated allows better retention of the opening 101T, however those skilled in the art will understand that the number of magnets and their configuration are not limited to the example illustrated.
  • the textile 11 of the removable panel 10T is fixed to the upper face 1010 of the opening 101T and to an outer face 1011 of said opening substantially perpendicular to said upper face, and said textile is only stretched. at the level of a lower part of the opening 101T, leaving an upper part of said opening free so that the opening frame can fit into the fixed frame.
  • Such a configuration of the 101T opening and of the textile makes it possible to use a 100T metal frame of which two sections of profiles are represented on the 3d figure .
  • the sections shown have a square shape, a vertical branch 1000 of which is placed inside the frame of the opening 101T.
  • FIG. 3E shows two removable panels 10T, these considerations are also valid for two adjacent non-removable panels or a removable panel 10T adjacent to a non-removable panel.
  • the figure 3F illustrates a vertical sectional view of two adjacent panels, the one on the left being a removable panel 10T, and the one on the right a non-removable filter panel 10F.
  • the configuration of the angled section of the fixed frame of the removable panel makes it possible to control the gap between the two panels since the vertical branch 1000 of the section does not interfere in the management of this gap.
  • the non-removable panels can be completely covered with textile without preventing the implementation of the invention.
  • the frame 100T and the opening 101T are also linked together by a set of slings 4.
  • four slings 4 are intended to connect the frame 100T and the opening 101T.
  • the slings 4 are fixed to the frame 100T and to the opening 101T so as to limit the fall of the removable panel 10T when the latter is not kept nested in the frame 100T.
  • a set of safety devices 5 is also arranged on the opening 101T.
  • a safety device 5 comprises a body 50 and an arm 51.
  • the body 50 is a part one-piece metal, a fixing part 52 of which forms an angle of approximately 90 ° with a handling part 53.
  • the fixing part 52 is substantially flat and has a groove 54 along an axis substantially perpendicular to the plane of the handling part 53. Rivets 55A, 55B are arranged on either side of said groove, in particular, one rivets 55A allow the arm 51 to be fixed permanently to the body 50 by a first end of said arm, so that the arm 51 is then able to pivot about the axis of said rivet by manual action.
  • the safety device 5 can thus pass from an open (or unlocked) position illustrated in figure 4A to a closed (or locked) position shown on the figure 4B , in which the free rivet 55B is engaged in a hole 56 of the arm 51 to block the movement of said arm. Conversely, the safety device 5 can be passed from a closed (or locked) position to an open (or unlocked) position by disengaging the arm 51 from the free rivet 55B.
  • four safety devices 5 are distributed vis-à-vis the two parallel profiles of the opening 101T not comprising a magnet.
  • the fixing part 52 is placed and fixed flat on the upper face 1010 of the metal frame of the opening 101T and the handling part 53 is flat on the outer face 1011 of said metal frame.
  • the dimensions of the safety device 5 are such that said device substantially matches the shape of the metal frame.
  • the dimension of the handling part 53 is sufficiently large so that, when the opening 101T is placed in the frame 100T, a gripping portion 530 of the handling part 53 protrudes and is thus visually identifiable.
  • This gripping portion 530 is fictitiously delimited by dashed lines on the figures 4A and 4B . This gripping portion 530 facilitates the release of the opening 101T from the frame 100T.
  • the gripping portion 530 has at a free end a gripping means 57.
  • the gripping means is a fold forming an angle substantially equal to 90 ° with the rest of the gripping portion 530, but this example n 'is not limiting and other means could be considered, for example a hook.
  • the input means 57 extends generally in a direction substantially parallel to the fixing part 52, that is to say generally perpendicular to the rest of the gripping portion 530.
  • the gripping means 57 extends in the same direction as the fixing part 52 relative to the handling part 53, in order to prevent a safety device 5 from interfering with another safety device 5. , in the event that two removable panels are installed side by side in the suspended ceiling 1.
  • holes are made in the handling part 53, for example at the level of the dashes appearing on the figures 4A and 4B , in order to weaken said handling part and allow an operator to detach all or part of the handling part 53 in the case where it would not be distinguished from the rest of the suspended ceiling 1.
  • each sling 4 fixed in advance on the frame 100T installed in the suspended ceiling 1 is inserted into the groove 54 of a safety device 5 in the open position.
  • the sling 4 is then fixed in a reversible manner to the opening 101T, then the associated safety device 5 is locked, that is to say placed in the closed position, in order to prevent the sling 4 from coming out. the groove 54.
  • the sling 4 comprises a cable, intended to be slipped into the groove 54 of the safety device 5, and a component at each end of said cable, for example a ring or a hook, allowing the fixing of the sling to the frame 100T on the one hand, and to the sash 101T on the other hand.
  • the exit of the sling from the groove 54 is prevented on the one hand by the arm 51 of the safety device 5 placed in the closed position, and on the other hand by the dimensions of the component forming the end of the sling, which dimensions are sufficiently large to prevent passage of said component through said groove.
  • the 101T sash is then fitted into the 100T frame, and held in the latter by the magnets.
  • the broken lines represented on the frame, on the figures 5A and 5B illustrate an imprint of each of the magnets 3 on the frame 100T when they are in contact with said frame.
  • a thickness of the magnets 3 makes it possible to create, when the sash is kept nested in the frame 100T, a space between the frame of the frame 100T and the frame of the sash 101T in which the slings 4 can be placed, so that these slings are not visible to an individual located under panel 10.
  • said gripping means facilitates gripping by the operator, in particular if the operator has greasy or wet hands.
  • the safety devices 5 can be unlocked to detach the slings 4 from said opening, which can then be manipulated freely, and in particular removed to allow access to the plenum.
  • the arm 51 prevents the engagement of the opening 101T in the frame 100T.
  • This function is provided by the angled shape of the metal frame of said frame. Indeed, as can be understood from the figure 5A , if the opening 101T is installed while at least one of the safety devices 5 is in the open position, then the arm 51 of at least one of the devices 5 will come into abutment against the vertical branch 1000 of the frame 100T, substantially vertical when said frame is installed in the suspended ceiling 1, thus preventing the installation of said opening.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Panels For Use In Building Construction (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

L'invention appartient au domaine de l'architecture.The invention belongs to the field of architecture.

Plus particulièrement, l'invention appartient au domaine des plafonds suspendus.More particularly, the invention belongs to the field of suspended ceilings.

ETAT DE L'ARTSTATE OF THE ART

Outre des considérations esthétiques, thermiques et/ou acoustiques, la mise en place d'un plafond suspendu permet de dissimuler notamment les conduites de ventilation et les chemins de câbles électriques par la création d'un vide technique, ou plénum.In addition to aesthetic, thermal and / or acoustic considerations, the installation of a suspended ceiling makes it possible to conceal in particular the ventilation ducts and the electrical cable trays by creating a technical vacuum, or plenum.

Pour réaliser la maintenance de ces installations techniques, il est connu d'utiliser une trappe. La demande de brevet européen EP 0 976 887 par exemple décrit un système comportant une base et une contrebase disposées en sandwich de part et d'autre d'une trappe, et intégré à un faux-plafond suspendu. Les dimensions de la base sont suffisantes pour soutenir la trappe, tandis que les dimensions de la contrebase sont suffisamment importantes pour permettre de soulever et dégager la trappe afin de permettre l'accès au plénum à un opérateur chargé de la maintenance.To carry out the maintenance of these technical installations, it is known to use a hatch. The European patent application EP 0 976 887 for example describes a system comprising a base and a counterbase sandwiched on either side of a hatch, and integrated into a suspended false ceiling. The dimensions of the base are sufficient to support the hatch, while the dimensions of the counterbase are large enough to allow lift and release the hatch to allow access to the plenum for an operator in charge of maintenance.

Un inconvénient d'un tel système est qu'il se détache visuellement du reste du faux-plafond, ce qui peut s'avérer gênant pour des faux-plafonds pour lesquels une uniformité est recherchée.A disadvantage of such a system is that it visually stands out from the rest of the false ceiling, which can prove to be troublesome for false ceilings for which uniformity is desired.

Le brevet américain US 8 056 294 décrit un plafond suspendu acoustique comportant une armature métallique destinée à recevoir des panneaux acoustiques. L'armature métallique présente ponctuellement un matériau résilient permettant d'insérer ou de retirer un panneau acoustique par déformation élastique dudit matériau résilient. Le maintien du panneau acoustique est assuré par le matériau résilient qui reprend sa forme initiale une fois le panneau mis en place.US patent US 8,056,294 describes an acoustic suspended ceiling comprising a metal frame intended to receive acoustic panels. The metal frame occasionally has a resilient material making it possible to insert or remove an acoustic panel by elastic deformation of said resilient material. The acoustic panel is held in place by the resilient material which returns to its initial shape once the panel is in place.

Dans des formes de réalisation alternatives, le matériau résilient peut être mis en oeuvre sur les panneaux acoustiques.In alternate embodiments, the resilient material can be implemented over the acoustic panels.

Un inconvénient de ce système est que ce type d'installation est susceptible d'endommager le panneau acoustique lors de la mise en place ou du dégagement du panneau de l'armature métallique.A drawback of this system is that this type of installation is liable to damage the acoustic panel when the panel is placed or released from the metal frame.

DE 102 53 343 A décrit un panneau amovible selon le préambule de la revendication 1. DE 102 53 343 A describes a removable panel according to the preamble of claim 1.

EXPOSE DE L'INVENTIONDISCLOSURE OF THE INVENTION

L'invention vise à résoudre les inconvénients de l'art antérieur.The invention aims to resolve the drawbacks of the prior art.

Un panneau amovible selon l'invention comporte :

  • un dormant comportant un cadre dormant métallique ;
  • un ouvrant comportant un cadre ouvrant métallique apte à s'emboîter de manière réversible dans ledit dormant ;
  • au moins un aimant permettant de maintenir ledit ouvrant emboîté dans ledit dormant ;
  • au moins une élingue fixée audit dormant à une première extrémité et fixée de manière réversible audit ouvrant à une seconde extrémité ;
ledit panneau amovible comportant par ailleurs au moins un dispositif de sécurité apte à assurer la fixation de l'au moins une élingue à l'ouvrant, ledit dispositif de sécurité comportant :
  • un corps d'un seul tenant comportant une partie de fixation et une partie de manipulation sensiblement plates formant sensiblement un angle de 90°, ladite partie de fixation étant fixée à l'ouvrant et présentant une rainure s'étendant perpendiculairement au plan de ladite partie de manipulation, des rivets étant disposés de part et d'autre de ladite rainure ;
  • un bras fixé à une première extrémité au corps au moyen de l'un des rivets de sorte que ledit bras est apte à pivoter autour de l'axe dudit rivet pour passer d'une position ouverte dans laquelle une seconde extrémité dudit bras est libre à une position fermée dans laquelle l'autre rivet libre est engagé dans un trou de ladite seconde extrémité dudit bras ou inversement de ladite position fermée à ladite position ouverte.
A removable panel according to the invention comprises:
  • a frame comprising a metal frame;
  • an opening comprising a metal opening frame adapted to fit in a reversible manner in said frame;
  • at least one magnet making it possible to keep said opening part nested in said frame;
  • at least one sling attached to said frame at a first end and reversibly attached to said opening at a second end;
said removable panel further comprising at least one safety device suitable for securing the at least one sling to the opening, said safety device comprising:
  • a one-piece body having a substantially flat fixing portion and a substantially flat handling portion forming substantially an angle of 90 °, said fixing portion being secured to the sash and having a groove extending perpendicular to the plane of said portion handling, rivets being arranged on either side of said groove;
  • an arm fixed at a first end to the body by means of one of the rivets so that said arm is able to pivot about the axis of said rivet to pass from an open position in which a second end of said arm is free to a closed position in which the other free rivet is engaged in a hole of said second end of said arm or vice versa from said closed position to said open position.

Dans une forme de réalisation, le dispositif de sécurité comporte une portion préhensible permettant à un opérateur de saisir ledit dispositif de sécurité pour dégager l'ouvrant du dormant lorsque ledit ouvrant est emboîté dans ledit dormant.In one embodiment, the safety device comprises a gripping portion allowing an operator to grip said safety device in order to release the opening from the frame when said opening is fitted into said frame.

Dans une forme de réalisation, la portion préhensible présente à une extrémité libre un moyen de saisie s'étendant globalement perpendiculairement au reste de ladite portion préhensible.In one embodiment, the gripping portion has at a free end a gripping means extending generally perpendicular to the rest of said gripping portion.

Dans une forme de réalisation, le dormant a une section en équerre.In one embodiment, the frame has a square section.

L'invention concerne également un plafond suspendu comportant un ensemble de panneaux modulaires caractérisé en ce qu'il comporte au moins un panneau amovible selon l'invention.The invention also relates to a suspended ceiling comprising a set of modular panels characterized in that it comprises at least one removable panel according to the invention.

Dans une forme de réalisation, le plafond suspendu est un plafond suspendu acoustique et les panneaux modulaires ainsi que l'au moins un panneau amovible sont du type :

  • panneau filtre aéré composé d'une armature métallique habillée d'une housse textile ajourée tendue sur ladite armature ou ;
  • panneau absorbant composé d'une armature métallique soutenant une ouate absorbante et un voile microporeux, l'ensemble étant habillé d'une housse textile.
In one embodiment, the suspended ceiling is an acoustic suspended ceiling and the modular panels as well as the at least one removable panel are of the type:
  • ventilated filter panel composed of a metal frame covered with a perforated textile cover stretched over said frame or;
  • absorbent panel composed of a metal frame supporting an absorbent wadding and a microporous veil, the whole being covered with a textile cover.

Dans une forme de réalisation, les panneaux modulaires sont maintenus entre eux par des systèmes de jonction linéaire assurant une planéité dudit plafond suspendu.In one embodiment, the modular panels are held together by linear junction systems ensuring flatness of said suspended ceiling.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci ne sont présentées qu'à titre indicatif et nullement limitatif de l'invention.

  • La Figure 1 est une vue de dessous d'un plafond suspendu acoustique dans une configuration particulière. Le plafond suspendu acoustique présente des panneaux filtres et des panneaux absorbants.
  • La Figure 2 est une vue en perspective d'un plafond suspendu présentant un panneau amovible dont l'ouvrant est dégagé du dormant.
  • La Figure 3A est une vue en perspective d'un dormant d'un panneau amovible selon l'invention.
  • La Figure 3B est une vue en perspective d'un ouvrant d'un panneau amovible selon l'invention.
  • La Figure 3C est une vue en perspective du dormant et de l'ouvrant des Figures 3B et 3C.
  • La Figure 3D est une vue en coupe verticale du dormant et de l'ouvrant emboîtés et maintenus entre eux par les aimants.
  • La Figure 3E est une vue en coupe verticale des dormants et ouvrants de deux panneaux amovibles adjacents reliés entre eux par un système de jonction linéaire.
  • La Figure 3F est une vue en coupe verticale des dormants et ouvrants de deux panneaux adjacents reliés entre eux par un système de jonction linéaire, l'un des panneaux étant un panneau amovible et l'autre panneau n'étant pas amovible.
  • La Figure 4A est une vue en perspective d'un dispositif de sécurité selon l'invention en position ouverte ou déverrouillée.
  • La Figure 4B est une vue en perspective d'un dispositif de sécurité selon l'invention en position fermée ou verrouillée.
  • La Figure 4C est une vue en perspective d'un dispositif de sécurité selon l'invention, en position ouverte ou déverrouillée, dans un mode alternatif de réalisation.
  • La Figure 5 est une vue en perspective d'une partie d'un panneau amovible selon l'invention, intégré à un plafond suspendu, dont l'ouvrant est dégagé du dormant et un dispositif de sécurité est en position ouverte ou déverrouillée.
  • La Figure 5B est une vue en perspective d'une partie d'un panneau amovible selon l'invention, intégré à un plafond suspendu, dont l'ouvrant est dégagé du dormant et un dispositif de sécurité est en position fermée ou verrouillée.
The invention will be better understood on reading the following description and on examining the accompanying figures. These are presented only as an indication and in no way limit the invention.
  • The Figure 1 is a bottom view of an acoustic suspended ceiling in a particular configuration. The acoustic suspended ceiling features filter panels and absorbent panels.
  • The Figure 2 is a perspective view of a suspended ceiling having a removable panel whose opening is released from the frame.
  • The Figure 3A is a perspective view of a frame of a removable panel according to the invention.
  • The Figure 3B is a perspective view of an opening of a removable panel according to the invention.
  • The Figure 3C is a perspective view of the frame and the sash of the Figures 3B and 3C .
  • The 3d figure is a vertical sectional view of the frame and the sash nested and held together by the magnets.
  • The Figure 3E is a vertical sectional view of the frames and openings of two adjacent removable panels linked together by a linear junction system.
  • The Figure 3F is a vertical sectional view of the frames and openings of two adjacent panels interconnected by a linear junction system, one of the panels being a removable panel and the other panel not being removable.
  • The Figure 4A is a perspective view of a safety device according to the invention in the open or unlocked position.
  • The Figure 4B is a perspective view of a safety device according to the invention in the closed or locked position.
  • The Figure 4C is a perspective view of a safety device according to the invention, in the open or unlocked position, in an alternative embodiment.
  • The Figure 5 is a perspective view of part of a removable panel according to the invention, integrated into a suspended ceiling, the opening of which is released from the frame and a safety device is in the open or unlocked position.
  • The Figure 5B is a perspective view of part of a removable panel according to the invention, integrated into a suspended ceiling, the opening of which is released from the frame and a safety device is in the closed or locked position.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

En référence à la figure 1, un plafond suspendu acoustique 1 est composé d'un ensemble de panneaux modulaires 10 se déclinant en panneaux filtres 10F et en panneaux absorbants 10A, respectivement nommés dans la suite de la description «filtres» et « absorbants ». Les panneaux modulaires 10 sont fixés entre eux par des systèmes de jonction linéaire 6, eux-mêmes fixés au plafond par un système de câbles 2, comme illustré sur la figure 2.With reference to the figure 1 , an acoustic suspended ceiling 1 is composed of a set of modular panels 10 declined in filter panels 10F and absorbent panels 10A, respectively named in the remainder of the description “filters” and “absorbents”. Modular panels 10 are fixed between them by linear junction systems 6, themselves fixed to the ceiling by a system of cables 2, as illustrated on figure 2 .

Les filtres 10F sont des panneaux acoustiques composés d'un cadre métallique habillé d'une housse textile 11 ajourée tendue sur ladite armature. Les filtres 10F permettent par exemple de tamiser une source lumineuse située dans un plénum situé entre le plafond suspendu 1 et un plafond d'une pièce dans laquelle est installé ledit plafond suspendu, ou encore de laisser circuler l'air d'un climatiseur.The filters 10F are acoustic panels composed of a metal frame covered with a perforated textile cover 11 stretched over said frame. The filters 10F make it possible, for example, to screen a light source located in a plenum located between the suspended ceiling 1 and a ceiling of a room in which said suspended ceiling is installed, or to let the air of an air conditioner circulate.

Les absorbants 10A sont des éléments opaques destinés à la correction acoustique. Les absorbants 10A sont des panneaux composés d'un cadre métallique, d'une ouate absorbante et d'un voile microporeux, l'ensemble étant habillé d'une housse textile 11.Absorbents 10A are opaque elements intended for acoustic correction. The absorbents 10A are panels composed of a metal frame, an absorbent wadding and a microporous veil, the whole being covered with a textile cover 11.

Selon l'invention, le plafond suspendu 1 comporte par ailleurs au moins un panneau amovible 10T comme illustré sur la figure 2. Le panneau amovible 10T présente également une fonction de filtre ou d'absorbant mais peut être partiellement dégagé du reste du plafond suspendu 1 pour permettre l'accès au plénum technique, comme il sera compris par la suite.According to the invention, the suspended ceiling 1 further comprises at least one removable panel 10T as illustrated in figure 2 . The removable panel 10T also has a filter or absorbent function but can be partially released from the rest of the suspended ceiling 1 to allow access to the technical plenum, as will be understood below.

Chaque panneau amovible 10T est composé d'un dormant 100T et d'un ouvrant 101T, ledit ouvrant étant apte à s'emboîter dans ledit dormant de manière réversible, par le dessous dudit dormant de sorte que, lorsque l'ouvrant 101T est emboîté dans le dormant 100T, le panneau amovible 10T ne se distingue pas sensiblement des autres panneaux modulaires 10 composant le plafond suspendu 1.Each removable panel 10T is composed of a frame 100T and a sash 101T, said sash being able to fit into said frame reversibly, from below said frame so that, when the sash 101T is nested in the frame 100T, the removable panel 10T is not significantly different from the other modular panels 10 making up the suspended ceiling 1.

En référence aux figures 3A et 3C, le dormant 100T se compose principalement d'un cadre métallique rectangulaire, dénommé par la suite « cadre dormant », ayant sensiblement les dimensions d'un autre panneau 10 du plafond suspendu 1, et comportant quatre profilés à section en équerre apte à recevoir l'ouvrant 101T. L'homme du métier comprendra à la lecture de la description que la forme du panneau amovible 10T n'est pas limitée à la forme rectangulaire mais peut être déclinée en diverses formes géométriques, en fonction notamment de la forme des autres panneaux du plafond suspendu 1 dans lequel il est destiné à être intégré.With reference to figures 3A and 3C , the frame 100T consists mainly of a rectangular metal frame, hereinafter referred to as "frame", having substantially the dimensions of another panel 10 of the suspended ceiling 1, and comprising four profiles with an angled section suitable for receiving the 'opening 101T. Those skilled in the art will understand from reading the description that the shape of the removable panel 10T is not limited to the rectangular shape but can be declined in various geometric shapes, depending in particular on the shape of the other panels of the suspended ceiling 1 in which it is intended to be integrated.

Le dormant 100T est fixé aux autres panneaux 10 par le même système de jonction linéaire 6 que celui utilisé entre deux panneaux 10 quelconques.The frame 100T is fixed to the other panels 10 by the same linear junction system 6 as that used between any two panels 10.

En référence aux figures 3B et 3C, l'ouvrant 101T se compose principalement d'un cadre métallique, dénommé par la suite « cadre ouvrant » ayant sensiblement les dimensions d'un autre panneau 10 du plafond suspendu 1, et comportant quatre profilés à section carrée sur lesquels est destiné à être tendu le textile adapté au rôle que doit jouer le panneau, c'est-à-dire filtre ou absorbant.With reference to figures 3B and 3C , the opening 101T consists mainly of a metal frame, hereinafter referred to as "opening frame" having substantially the dimensions of another panel 10 of the suspended ceiling 1, and comprising four square section profiles on which is intended to be stretched the textile adapted to the role that the panel must play, that is to say filter or absorbent.

Bien que les sections des profilés des cadres dormant et ouvrant décrites précédemment soient celles d'un mode préféré de réalisation, l'homme du métier comprendra qu'elles ne sont pas limitées à celles-ci. A titre d'exemple, le cadre ouvrant pourrait aussi présenter la forme d'un profilé en C.Although the sections of the profiles of the fixed and opening frames described above are those of a preferred embodiment, those skilled in the art will understand that they are not limited to them. By way of example, the opening frame could also have the shape of a C-section.

L'ouvrant 101T est équipé d'un ensemble d'aimants 3 sur une face supérieure 1010 formée par une face supérieure de l'ensemble des profilés du cadre ouvrant. Sur la figure 3B, les aimants 3 sont répartis sur deux profilés parallèles du cadre métallique, deux desdits aimants étant placés sur un premier profilé et deux autres aimants étant placés en vis-à-vis sur le profilé parallèle. De cette manière, lorsque l'ouvrant 101T est emboîté dans le dormant 100T, les aimants permettent le maintien dudit ouvrant dans ledit dormant par le biais d'une force magnétique exercée par les aimants 3 sur les cadres métalliques de l'ouvrant et du dormant. Une répartition symétrique des aimants tel qu'illustré permet un meilleur maintien de l'ouvrant 101T, toutefois l'homme du métier comprendra que le nombre d'aimants et leur configuration ne sont pas limités à l'exemple illustré.The opening 101T is equipped with a set of magnets 3 on an upper face 1010 formed by an upper face of the set of sections of the opening frame. On the figure 3B , the magnets 3 are distributed over two parallel sections of the metal frame, two of said magnets being placed on a first section and two other magnets being placed opposite each other on the parallel section. In this way, when the 101T sash is fitted into the 100T frame, the magnets allow said sash to be held in said frame by means of a magnetic force exerted by the magnets 3 on the metal frames of the sash and the frame. . A symmetrical distribution of the magnets as illustrated allows better retention of the opening 101T, however those skilled in the art will understand that the number of magnets and their configuration are not limited to the example illustrated.

En référence à la figure 3D, le textile 11 du panneau amovible 10T, représenté en trait appuyé, est fixé à la face supérieure 1010 de l'ouvrant 101T et à une face extérieure 1011 dudit ouvrant sensiblement perpendiculaire à ladite face supérieure, et ledit textile n'est tendu qu'au niveau d'une partie inférieure de l'ouvrant 101T, laissant une partie supérieure dudit ouvrant libre afin que le cadre ouvrant puisse s'emboîter dans le cadre dormant.With reference to the 3d figure , the textile 11 of the removable panel 10T, shown in solid lines, is fixed to the upper face 1010 of the opening 101T and to an outer face 1011 of said opening substantially perpendicular to said upper face, and said textile is only stretched. at the level of a lower part of the opening 101T, leaving an upper part of said opening free so that the opening frame can fit into the fixed frame.

Les notions de « partie inférieure » et « partie supérieure » s'entendent ici en se référant à la position du panneau une fois intégré au plafond suspendu.The concepts of “lower part” and “upper part” are understood here by referring to the position of the panel once integrated into the suspended ceiling.

Une telle configuration de l'ouvrant 101T et du textile permet d'utiliser un cadre métallique de dormant 100T dont deux sections de profilés sont représentées sur la figure 3D. Les sections représentées ont une forme d'équerre dont une branche verticale 1000 est placée à l'intérieur du cadre de l'ouvrant 101T.Such a configuration of the 101T opening and of the textile makes it possible to use a 100T metal frame of which two sections of profiles are represented on the 3d figure . The sections shown have a square shape, a vertical branch 1000 of which is placed inside the frame of the opening 101T.

En référence à la figure 3E, deux dormants 100T de deux panneaux amovibles 10T adjacents ont deux branches horizontales 1001 du cadre métallique en vis-à-vis. Ceci présente deux avantages :

  • d'une part, l'écart entre les panneaux est mieux maîtrisé car, les parties verticales des profilés du cadre dormant n'interfèrent pas, du fait de leur épaisseur, dans le réglage de la distance entre les panneaux, ce qui permet plus de liberté dans l'ajustement de l'écart entre les panneaux ;
  • d'autre part, les dormants ne sont pas visibles entre les panneaux par un individu évoluant dans la pièce comportant le plafond suspendu.
With reference to the figure 3E , two frames 100T of two adjacent removable panels 10T have two horizontal branches 1001 of the metal frame facing each other. This has two advantages:
  • on the one hand, the gap between the panels is better controlled because, the vertical parts of the profiles of the fixed frame do not interfere, because of their thickness, in the adjustment of the distance between the panels, which allows more freedom in adjusting the gap between the panels;
  • on the other hand, the sleepers are not visible between the panels by an individual moving in the room comprising the suspended ceiling.

Bien que la figure 3E représente deux panneaux amovibles 10T, ces considérations sont également valables pour deux panneaux adjacents non amovibles ou un panneau amovible 10T adjacent à un panneau non amovible.Although the figure 3E shows two removable panels 10T, these considerations are also valid for two adjacent non-removable panels or a removable panel 10T adjacent to a non-removable panel.

A titre d'exemple, la figure 3F illustre une vue en coupe verticale de deux panneaux adjacents, celui de gauche étant un panneau amovible 10T, et celui de droite un panneau filtre 10F non amovible. Dans cette configuration, il apparaît que la configuration du profilé en équerre du cadre dormant du panneau amovible permet de maîtriser l'écart entre les deux panneaux puisque la branche verticale 1000 du profilé n'interfère pas dans la gestion de cet écart. Par ailleurs, il apparaît sur la figure 3F que les panneaux non amovibles peuvent être recouverts entièrement de textile sans empêcher la mise en œuvre de l'invention.For example, the figure 3F illustrates a vertical sectional view of two adjacent panels, the one on the left being a removable panel 10T, and the one on the right a non-removable filter panel 10F. In this configuration, it appears that the configuration of the angled section of the fixed frame of the removable panel makes it possible to control the gap between the two panels since the vertical branch 1000 of the section does not interfere in the management of this gap. Moreover, it appears on the figure 3F that the non-removable panels can be completely covered with textile without preventing the implementation of the invention.

Le dormant 100T et l'ouvrant 101T sont également liés entre eux par un ensemble d'élingues 4. Sur les exemples de réalisation de l'invention illustrés sur les figures, quatre élingues 4 sont destinées à relier le dormant 100T et l'ouvrant 101T. Les élingues 4 sont fixées au dormant 100T et à l'ouvrant 101T de sorte à limiter la chute du panneau amovible 10T lorsque celui-ci n'est pas maintenu emboîté dans le dormant 100T.The frame 100T and the opening 101T are also linked together by a set of slings 4. In the embodiments of the invention illustrated in the figures, four slings 4 are intended to connect the frame 100T and the opening 101T. . The slings 4 are fixed to the frame 100T and to the opening 101T so as to limit the fall of the removable panel 10T when the latter is not kept nested in the frame 100T.

Un ensemble de dispositifs de sécurité 5 est également disposé sur l'ouvrant 101T.A set of safety devices 5 is also arranged on the opening 101T.

En référence aux figures 4A et 4B, un dispositif de sécurité 5 selon l'invention comporte un corps 50 et un bras 51. Le corps 50 est une pièce métallique d'un seul tenant, dont une partie de fixation 52 forme avec une partie de manipulation 53 un angle d'environ 90°. La partie de fixation 52 est sensiblement plate et présente une rainure 54 selon un axe sensiblement perpendiculaire au plan de la partie de manipulation 53. Des rivets 55A, 55B sont disposés de part et d'autre de ladite rainure, en particulier, l'un des rivets 55A permet de fixer de manière permanente le bras 51 au corps 50 par une première extrémité dudit bras, de sorte que le bras 51 est ensuite apte à pivoter autour de l'axe dudit rivet par une action manuelle. Le dispositif de sécurité 5 peut ainsi passer d'une position ouverte (ou non verrouillée) illustrée sur la figure 4A à une position fermée (ou verrouillée) illustrée sur la figure 4B, dans laquelle le rivet 55B libre est engagé dans un trou 56 du bras 51 pour bloquer le mouvement dudit bras. Inversement, le dispositif de sécurité 5 peut être passé d'une position fermée (ou verrouillée) à une position ouverte (ou déverrouillée) par désengagement du bras 51 du rivet 55B libre.With reference to figures 4A and 4B , a safety device 5 according to the invention comprises a body 50 and an arm 51. The body 50 is a part one-piece metal, a fixing part 52 of which forms an angle of approximately 90 ° with a handling part 53. The fixing part 52 is substantially flat and has a groove 54 along an axis substantially perpendicular to the plane of the handling part 53. Rivets 55A, 55B are arranged on either side of said groove, in particular, one rivets 55A allow the arm 51 to be fixed permanently to the body 50 by a first end of said arm, so that the arm 51 is then able to pivot about the axis of said rivet by manual action. The safety device 5 can thus pass from an open (or unlocked) position illustrated in figure 4A to a closed (or locked) position shown on the figure 4B , in which the free rivet 55B is engaged in a hole 56 of the arm 51 to block the movement of said arm. Conversely, the safety device 5 can be passed from a closed (or locked) position to an open (or unlocked) position by disengaging the arm 51 from the free rivet 55B.

En référence à la figure 3B, quatre dispositifs de sécurité 5 sont répartis en vis-à-vis sur les deux profils parallèles de l'ouvrant 101T ne comportant pas d'aimant. La partie de fixation 52 est posée et fixée à plat sur la face supérieure 1010 du cadre métallique de l'ouvrant 101T et la partie de manipulation 53 est à plat sur la face extérieure 1011 dudit cadre métallique. Les dimensions du dispositif de sécurité 5 sont telles que ledit dispositif épouse sensiblement la forme du cadre métallique.With reference to the figure 3B , four safety devices 5 are distributed vis-à-vis the two parallel profiles of the opening 101T not comprising a magnet. The fixing part 52 is placed and fixed flat on the upper face 1010 of the metal frame of the opening 101T and the handling part 53 is flat on the outer face 1011 of said metal frame. The dimensions of the safety device 5 are such that said device substantially matches the shape of the metal frame.

La dimension de la partie de manipulation 53 est suffisamment importante pour que, lorsque l'ouvrant 101T est mis en place dans le dormant 100T, une portion préhensible 530 de la partie de manipulation 53 fasse saillie et soit ainsi visuellement repérable. Cette portion préhensible 530 est délimitée fictivement par des traits mixtes sur les figures 4A et 4B. Cette portion préhensible 530 permet de faciliter le dégagement de l'ouvrant 101T du dormant 100T.The dimension of the handling part 53 is sufficiently large so that, when the opening 101T is placed in the frame 100T, a gripping portion 530 of the handling part 53 protrudes and is thus visually identifiable. This gripping portion 530 is fictitiously delimited by dashed lines on the figures 4A and 4B . This gripping portion 530 facilitates the release of the opening 101T from the frame 100T.

Dans une forme de réalisation illustrée sur la figure 4C, la portion préhensible 530 présente à une extrémité libre un moyen de saisie 57. Dans l'exemple illustré, le moyen de saisie est un pli formant un angle sensiblement égal à 90° avec le reste de la portion préhensible 530, mais cet exemple n'est pas limitatif et d'autres moyens pourraient être considérés, par exemple un crochet. Dans tous les cas, le moyen de saisie 57 s'étend globalement dans une direction sensiblement parallèle à la partie de fixation 52, c'est-à-dire globalement perpendiculairement au reste de la portion préhensible 530.In one embodiment illustrated in figure 4C , the gripping portion 530 has at a free end a gripping means 57. In the example illustrated, the gripping means is a fold forming an angle substantially equal to 90 ° with the rest of the gripping portion 530, but this example n 'is not limiting and other means could be considered, for example a hook. In all cases, the input means 57 extends generally in a direction substantially parallel to the fixing part 52, that is to say generally perpendicular to the rest of the gripping portion 530.

Préférentiellement, le moyen de saisie 57 s'étend dans le même sens que la partie de fixation 52 par rapport à la partie de manipulation 53, afin d'éviter qu'un dispositif de sécurité 5 n'interfère avec un autre dispositif de sécurité 5, dans le cas où deux panneaux amovibles seraient installés côte à côte dans le plafond suspendu 1.Preferably, the gripping means 57 extends in the same direction as the fixing part 52 relative to the handling part 53, in order to prevent a safety device 5 from interfering with another safety device 5. , in the event that two removable panels are installed side by side in the suspended ceiling 1.

Dans une forme de réalisation, des trous sont réalisés dans la partie de manipulation 53, par exemple au niveau des tirets apparaissant sur les figures 4A et 4B, afin de fragiliser ladite partie de manipulation et permettre à un opérateur de détacher tout ou partie de la partie de manipulation 53 dans le cas de figure où il ne serait pas qu'elle se distingue du reste du plafond suspendu 1.In one embodiment, holes are made in the handling part 53, for example at the level of the dashes appearing on the figures 4A and 4B , in order to weaken said handling part and allow an operator to detach all or part of the handling part 53 in the case where it would not be distinguished from the rest of the suspended ceiling 1.

Comme illustré sur les figures 5A et 5B, lors de l'installation de l'ouvrant 101T, chaque élingue 4 fixée au préalable sur le dormant 100T installé dans le plafond suspendu 1 est insérée dans la rainure 54 d'un dispositif de sécurité 5 en position ouverte. L'élingue 4 est ensuite fixée de manière réversible à l'ouvrant 101T, puis le dispositif de sécurité 5 associé est verrouillé, c'est-à-dire placé en position fermée, afin d'empêcher la sortie de l'élingue 4 de la rainure 54.As shown on figures 5A and 5B , during the installation of the opening 101T, each sling 4 fixed in advance on the frame 100T installed in the suspended ceiling 1 is inserted into the groove 54 of a safety device 5 in the open position. The sling 4 is then fixed in a reversible manner to the opening 101T, then the associated safety device 5 is locked, that is to say placed in the closed position, in order to prevent the sling 4 from coming out. the groove 54.

De manière classique, l'élingue 4 comporte un câble, destiné à être glissé dans la rainure 54 du dispositif de sécurité 5, et un composant à chacune des extrémités dudit câble, par exemple un anneau ou un crochet, permettant la fixation de l'élingue au dormant 100T d'une part, et à l'ouvrant 101T d'autre part.Conventionally, the sling 4 comprises a cable, intended to be slipped into the groove 54 of the safety device 5, and a component at each end of said cable, for example a ring or a hook, allowing the fixing of the sling to the frame 100T on the one hand, and to the sash 101T on the other hand.

La sortie de l'élingue de la rainure 54 est empêchée d'une part par le bras 51 du dispositif de sécurité 5 placé en position fermée, et d'autre part par des dimensions du composant formant extrémité de l'élingue, lesquelles dimensions sont suffisamment importantes pour empêcher un passage dudit composant à travers ladite rainure.The exit of the sling from the groove 54 is prevented on the one hand by the arm 51 of the safety device 5 placed in the closed position, and on the other hand by the dimensions of the component forming the end of the sling, which dimensions are sufficiently large to prevent passage of said component through said groove.

Il convient de noter qu'une seule élingue est représentée sur les figures 5A et 5B.Note that only one sling is shown on the figures 5A and 5B .

L'ouvrant 101T est ensuite emboîté dans le dormant 100T, et maintenu dans ce dernier par les aimants. Les traits interrompus représentés sur le dormant, sur les figures 5A et 5B, illustrent une empreinte de chacun des aimants 3 sur le dormant 100T lorsqu'ils sont en contact avec ledit dormant. Une épaisseur des aimants 3 permet de créer, lorsque l'ouvrant est maintenu emboîté dans le dormant 100T, un espace entre le cadre du dormant 100T et le cadre de l'ouvrant 101T dans lequel les élingues 4 peuvent être placées, de sorte que ces élingues ne sont pas visibles par un individu situé sous le panneau 10.The 101T sash is then fitted into the 100T frame, and held in the latter by the magnets. The broken lines represented on the frame, on the figures 5A and 5B , illustrate an imprint of each of the magnets 3 on the frame 100T when they are in contact with said frame. A thickness of the magnets 3 makes it possible to create, when the sash is kept nested in the frame 100T, a space between the frame of the frame 100T and the frame of the sash 101T in which the slings 4 can be placed, so that these slings are not visible to an individual located under panel 10.

Lorsqu'un opérateur souhaite dégager l'ouvrant 101T du dormant 100T, par exemple pour accéder au réseau de ventilation, il saisit les portions préhensibles 530 des dispositifs de sécurité 5 afin de pouvoir tirer sur ledit dispositif pour compenser l'effort magnétique des aimants 3 permettant le maintien de l'ouvrant 101T dans le dormant 100T.When an operator wishes to release the opening 101T from the frame 100T, for example to access the ventilation network, he grasps the gripping portions 530 of the safety devices 5 in order to be able to pull on said device to compensate for the magnetic force of the magnets 3 allowing the 101T sash to be held in the 100T frame.

Dans le cas où le dispositif de sécurité 5 présente un moyen de saisie 57 tel que décrit plus haut et illustré sur la figure 4C, ledit moyen de saisie facilite la préhension par l'opérateur, en particulier si l'opérateur a les mains grasses ou humides.In the event that the safety device 5 has a gripping means 57 as described above and illustrated on figure 4C , said gripping means facilitates gripping by the operator, in particular if the operator has greasy or wet hands.

Lorsque l'ouvrant 101T est dégagé du dormant 100T, les dispositifs de sécurité 5 peuvent être déverrouillés pour détacher les élingues 4 dudit ouvrant, lequel peut alors être manipulé librement, et notamment déposé pour permettre l'accès au plénum.When the opening 101T is released from the frame 100T, the safety devices 5 can be unlocked to detach the slings 4 from said opening, which can then be manipulated freely, and in particular removed to allow access to the plenum.

Il convient de noter que, par sécurité, si le dispositif de sécurité 5 est en position ouverte, le bras 51 empêche l'emboîtement de l'ouvrant 101T dans le dormant 100T. Cette fonction est assurée par la forme en équerre du cadre métallique dudit dormant. En effet, comme cela peut être compris sur la figure 5A, si l'ouvrant 101T est installé alors qu'au moins un des dispositifs de sécurité 5 est en position ouverte, alors le bras 51 de l'au moins un des dispositifs 5 va venir en butée contre la branche verticale 1000 du dormant 100T, sensiblement verticale lorsque ledit dormant est installé dans le plafond suspendu 1, empêchant ainsi la mise en place dudit ouvrant.It should be noted that, for safety, if the safety device 5 is in the open position, the arm 51 prevents the engagement of the opening 101T in the frame 100T. This function is provided by the angled shape of the metal frame of said frame. Indeed, as can be understood from the figure 5A , if the opening 101T is installed while at least one of the safety devices 5 is in the open position, then the arm 51 of at least one of the devices 5 will come into abutment against the vertical branch 1000 of the frame 100T, substantially vertical when said frame is installed in the suspended ceiling 1, thus preventing the installation of said opening.

Claims (7)

  1. Removable panel (10T) comprising:
    - a fixed section (100T) comprising a metal fixed section frame;
    - an opening section (101T) comprising a metal opening section frame able to be reversibly nested in said fixed section;
    - at least one magnet (3) that makes it possible to maintain said opening section nested in said fixed section;
    - at least one sling (4) fastened to said fixed section at a first end and reversibly fastened to said opening section at a second end;
    said removable panel being characterised in that it moreover comprises at least one safety device (5) able to ensure the fastening of the at least one sling (4) to the opening section (101T), said safety device comprising:
    - a body (50) of a single piece comprising a fastening portion (52) and a handling portion (53) that are substantially flat substantially forming an angle of 90°, said fastening portion being fastened to the opening section (101T) and having a groove (54) that extends perpendicularly to the plane of said handling portion, with rivets (55A, 55B) being arranged on either side of said groove;
    - an arm (51) fastened at a first end to the body (50) by means of one of the rivets (55A) in such a way that said arm is able to pivot about the axis of said rivet in order to switch from an open position in which a second end of said arm is free to a closed position in which the other free rivet (55B) is engaged in a hole (56) of said second end of said arm or inversely from said closed position to said open position.
  2. Panel according to claim 1 characterised in that the safety device (5) comprises a gripping portion (530) which allows an operator to grasp said safety device in order to release the opening section (101T) from the fixed section (100T) when said opening section is nested in said fixed section.
  3. Panel according to claim 2 characterised in that the gripping portion (530) has at a free end a means for grasping (57) extending globally perpendicularly to the rest of said gripping portion.
  4. Panel according to any preceding claim characterised in that the fixed section (100T) has a bracket section.
  5. Suspended ceiling (1) comprising a set of modular panels (10) characterised in that it comprises at least one removable panel (10T) according to any preceding claim.
  6. Suspended ceiling (1) according to claim 5 characterised in that said suspended ceiling is an acoustical suspended ceiling and in that the modular panels (10) as well as the at least one removable panel (10T) are of the type:
    - aerated filter panel (10F) comprised of a metal armature covered with a perforated textile cover stretched over said armature or;
    - absorbent panel (10A) comprised of a metal armature that supports an absorbent wadding and a microporous veil, the whole being covered with a textile cover.
  7. Suspended ceiling (1) according to claim 5 or claim 6 characterised in that the modular panels (10) are maintained together by linear junction systems (6) that provide a flatness of said suspended ceiling.
EP19179483.3A 2018-06-13 2019-06-11 Removable panel and suspended ceiling including such a removable panel Active EP3581728B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1855146A FR3082538B1 (en) 2018-06-13 2018-06-13 REMOVABLE PANEL AND SUSPENDED CEILING INCLUDING SUCH A REMOVABLE PANEL

Publications (2)

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EP3581728A1 EP3581728A1 (en) 2019-12-18
EP3581728B1 true EP3581728B1 (en) 2021-01-06

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EP19179483.3A Active EP3581728B1 (en) 2018-06-13 2019-06-11 Removable panel and suspended ceiling including such a removable panel

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US (1) US10858831B2 (en)
EP (1) EP3581728B1 (en)
ES (1) ES2847238T3 (en)
FR (1) FR3082538B1 (en)

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FR3082538B1 (en) * 2018-06-13 2020-12-04 Texaa REMOVABLE PANEL AND SUSPENDED CEILING INCLUDING SUCH A REMOVABLE PANEL
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FR3112564B1 (en) 2020-07-17 2022-07-08 Texaa Removable panel for suspended ceiling and suspended ceiling incorporating such a removable panel

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Also Published As

Publication number Publication date
US10858831B2 (en) 2020-12-08
US20190383011A1 (en) 2019-12-19
EP3581728A1 (en) 2019-12-18
ES2847238T3 (en) 2021-08-02
FR3082538B1 (en) 2020-12-04
FR3082538A1 (en) 2019-12-20

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