EP2313574B1 - Profile bowing means for a sinking surround - Google Patents

Profile bowing means for a sinking surround Download PDF

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Publication number
EP2313574B1
EP2313574B1 EP09784281.9A EP09784281A EP2313574B1 EP 2313574 B1 EP2313574 B1 EP 2313574B1 EP 09784281 A EP09784281 A EP 09784281A EP 2313574 B1 EP2313574 B1 EP 2313574B1
Authority
EP
European Patent Office
Prior art keywords
frame
wall
panel
panel frame
suspended ceiling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09784281.9A
Other languages
German (de)
French (fr)
Other versions
EP2313574A2 (en
Inventor
Etienne Cousin
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Newmat SA
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Newmat SA
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Publication date
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Publication of EP2313574A2 publication Critical patent/EP2313574A2/en
Application granted granted Critical
Publication of EP2313574B1 publication Critical patent/EP2313574B1/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
    • E04B9/241—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 with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges 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
    • E04B9/04—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
    • 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
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
    • E04B9/303—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall for flexible tensioned membranes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
    • E04F13/005—Stretched foil- or web-like elements attached with edge gripping devices
    • 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

Definitions

  • the invention relates to the technical field of false suspended ceilings and false walls.
  • the invention relates more particularly to slabs of false ceilings or false walls comprising a stretched canvas and a frame.
  • the fabric is made of polyvinyl chloride and is firstly tensioned before being fixed on a frame, this frame being itself previously obtained by assembling aluminum profiles.
  • the aluminum profile element has two wings, namely a vertical outer wing on which is fixed the polyvinyl chloride cloth, and a vertical inner wing whose base is set back from the base of the outer wing so not to come in contact with the canvas.
  • the aluminum profile element has two wings, namely a vertical outer wing on which is fixed the polyvinyl chloride cloth, and an inner inclined or vertical wing whose base is located below the base of the outer wing so as to come into contact with the canvas.
  • the aluminum profile element comprises a horizontal upper wall, a vertical side wall and an oblique stiffening wall, the profile forming a box.
  • this "narrow width" fastening strip is as follows: when the slab is placed on an inverted T-shaped support element fixed to a ceiling by tie rods, the bonding zone of the fabric on the frame is completely hidden from the eyes of an observer looking at the false ceiling, since the width of the transverse strip of the T-section is greater than the width of the bonding zone of the fabric on its frame.
  • the T-shaped elements supporting the slabs should preferably be as discrete as possible, the width of their transverse branch should be as small as possible so that the false suspended ceiling has an appearance as close as possible to that of a real ceiling.
  • the montages described in the documents FR 2 793 504 , FR 2 793 506 or FR 2 789 101 do not significantly reduce the width of the T-shaped support elements, especially when the slabs are large, except that the bonding area of the fabric is apparent. The larger the slab, the greater the bonding area of the fabric to the frame, this bonding area can no longer be masked by the T-shaped support, except to increase the width of this T-section.
  • the slab described in the document FR 2 793 506 has the additional disadvantage that the fabric of each slab is not stretched flat on its frame, the finish of the false ceiling can not be close to that of a conventional plane ceiling.
  • the Applicant has endeavored to solve this problem in a simple, fast, and inexpensive way, without changing the structure of the slab frame or the process for pocketing it.
  • the invention relates, according to a first aspect, to a false ceiling slab frame, at least one side of this frame comprising, when seen in section, an upper wall and a side wall, the upper wall being provided with a flat surface, this flat comprising at least two through holes of assembly means such as screws, one of the through holes being oval or oblong.
  • the invention relates, in a second aspect, to a false ceiling slab comprising a frame as presented above, and a canvas in which the frame is bagged, thereby defining a lower stretched canvas strip and a stretched canvas strip. higher.
  • the invention relates, in a third aspect, to a false ceiling comprising a slab as presented above, this slab being mounted on an inverted T-shaped support.
  • the slab frame 1 shown on the figure 1 is for example made of aluminum alloy, by extrusion.
  • This frame 1 comprises a substantially horizontal upper wall 2, and a side wall comprising a substantially vertical upper portion 3 and a lower inclined portion 4.
  • the upper part 3 and the lower part 4 define an angle ⁇ (alpha) of the order of 10 to 20 degrees, this angle alpha being obtuse when measured in the outer face of the frame.
  • the lower part 4 goes away from the inside 5 of the frame 1.
  • the frame further comprises an inner wing 6 substantially vertical and parallel to the upper part 3 of the side wall.
  • On this inner flange 6 are formed two grooves 7, 8 with an inwardly facing opening 5 of the frame 1. These grooves 7, 8 serve, where appropriate, to mount a support angle 9 for an insert, such as that for example a sound insulation insert and / or thermal, or even a lighting device.
  • the frame 1 also comprises a horizontal bearing surface 10 of small width, in the lower part of the side wall.
  • the lower part 4 of the side wall, the angle alpha and the width of the horizontal bearing surface 10 are chosen such that this bearing surface 10 extends substantially completely towards the outside of the frame relative to a vertical plane P corresponding to the upper part 3 of the side wall.
  • This embodiment makes it possible to marry at best the shape of the supports 11 of inverted T bars 12.
  • the frame 1 further comprises a first substantially horizontal stiffening wall 13.
  • This first stiffening wall forms a box 14 with the upper wall 2, the upper part 3 of the side wall and the inner wing 6.
  • a C-groove may be placed to house a joint splice or splice of two contiguous frame sections.
  • three grooves C extend in the casing 14. These three grooves 21, 22, 23 extend on the upper wall 2, the upper part 3 of the side wall and the first stiffening wall. Each of these grooves allows the establishment of splices or brackets assembly of contiguous frame sections.
  • the frame 1 further comprises a second stiffening wall 16 connecting the bearing surface 10 and the inner wing 6.
  • This second stiffening wall forms a box 17 with the side wall, the bearing surface 10 and the first wall stiffening 13.
  • the frame is bagged in a fabric 18, so as to define a lower fabric band 19 and an upper fabric band 20.
  • the fabric is advantageously heat-shrunk onto the frame.
  • these two strips of fabric are substantially parallel. Between these two strips 19,20 sound and / or thermal inserts (not shown) can be mounted on brackets 9 or any other ad hoc support, mounted on the frame 1 by the grooves 7, 8. The presence of two grooves 7, 8 (or more) adjusts the mounting height of the angles 9.
  • the angle between the horizontal and the stiffening wall 16 is of the order of 40 degrees, the angle between the horizontal and the lower part 4 of the side wall is 70 degrees, the total height frame being 50 to 100 millimeters.
  • the materials used for the fabric are advantageously fire-resistant polymer materials, airtight as dust or moisture, easy maintenance.
  • Translucent or opaque, tinted or not in the mass, matt, lacquered, marbled, suede or satin, these materials can be used both in industrial and hospital environments, for public facilities, laboratories or homes.
  • the lacquered finish allows a mirror effect often used in shopping centers, a matte finish rather close to a plaster aspect being more usual to traditional decorations.
  • the slab frame thus designed has a high resistance to deformation, due to the presence of the obtuse angle ⁇ (alpha) and the presence of stiffening walls forming caissons.
  • the flats are advantageously of smaller width than that of the upper wall 2. They are thus not visible for an observer placed in front of the lower face 19 of the fabric.
  • the frame is substantially rectangular and the flats 30 are arranged parallel to the long sides of the slab.
  • the slab is substantially rectangular or even square, and is provided with more than two flats, for example four, each arranged parallel to one side of the slab.
  • the slab is substantially polygonal, and is provided with at least one flat disposed substantially parallel to one of its sides.
  • the flats 30 are metallic in one embodiment.
  • the flats 30 are made of aluminum alloy.
  • Each flat is provided with three through holes 31, 32, 33. These through holes are substantially aligned.
  • Two of the three holes are circular opening. A screw is placed in each of these two circular holes, the screw being completed without tightening.
  • the third hole 33 is slightly oval or oblong. A screw is mounted through this third hole 33.
  • the oval or oblong hole 33 is disposed at the lateral portion of the flat.
  • the oval or oblong hole is disposed in the central portion of the flat, for example midway.
  • the controlled bending makes it possible to restore the desired shape for the slab, after its pocketing, and without internal reinforcements or reinforcing plates (for example in plexiglass ®).
  • the slab is not overly heavy.
  • the adjustment can be made during manufacture or during installation on site. The installer can thus ensure perfect linearity of the edges of rectangular or square slabs.
  • bending adjustment means have been described with reference to a frame profile to be pocketed as presented in the document WO 2007051927 it is understood that these means can be implemented in any false ceiling slab comprising a frame provided with an upper wall 2.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)

Description

L'invention se rapporte au domaine technique des faux plafonds suspendus et des faux murs.The invention relates to the technical field of false suspended ceilings and false walls.

L'invention concerne plus particulièrement des dalles de faux plafonds ou faux murs comprenant une toile tendue et un cadre.The invention relates more particularly to slabs of false ceilings or false walls comprising a stretched canvas and a frame.

On connaît déjà, dans l'art antérieur, différentes conceptions de telles dalles de faux plafonds.Various designs of such false ceiling slabs are already known in the prior art.

Selon la technique conventionnelle, la toile est en polychlorure de vinyle et est tout d'abord mise sous tension avant d'être fixée sur un cadre, ce cadre étant lui-même obtenu préalablement par assemblage de profilés en aluminium.According to the conventional technique, the fabric is made of polyvinyl chloride and is firstly tensioned before being fixed on a frame, this frame being itself previously obtained by assembling aluminum profiles.

Une difficulté importante dans la réalisation de ces dalles est que le cadre se déforme, par suite de la fixation sous tension de la toile sur ce cadre.A major difficulty in the realization of these slabs is that the frame is deformed, as a result of the attachment under tension of the fabric on this frame.

Diverses solutions ont été proposées dans l'art antérieur pour résoudre ce problème.Various solutions have been proposed in the prior art to solve this problem.

Il a été proposé de prévoir des moyens exerçant une précontrainte dirigée de l'intérieur vers l'extérieur du cadre. On peut se reporter, par exemple, au document FR 2 712 325 de la demanderesse, ou aux documents FR 2 751 682 , FR 2 814 482 .It has been proposed to provide means exerting a prestressed direction from the inside to the outside of the frame. For example, reference can be made to the document FR 2,712,325 the plaintiff, or the documents FR 2 751 682 , FR 2,814,482 .

Il a également été proposé des profilés de cadre pourvus d'ailes de renfort. On peut se reporter en particulier aux documents FR 2 793 504 , FR 2 793 506 , FR 2 789 101 . Ces trois documents antérieurs, issus du même déposant Scherrer, et partant du même problème technique, décrivent trois réalisations contradictoires et opposées.It has also been proposed frame profiles provided with reinforcement wings. We can refer in particular to the documents FR 2 793 504 , FR 2 793 506 , FR 2 789 101 . These three previous documents, from the same depositor Scherrer, and from the same technical problem, describe three contradictory and opposing achievements.

Dans une première réalisation, décrite par le document FR 2 793 504 , l'élément profilé en aluminium comporte deux ailes, à savoir une aile externe verticale sur laquelle est fixée la toile en polychlorure de vinyle, et une aile interne verticale dont la base est située en retrait de la base de l'aile externe de façon à ne pas venir en contact avec la toile.In a first embodiment, described by the document FR 2 793 504 , the aluminum profile element has two wings, namely a vertical outer wing on which is fixed the polyvinyl chloride cloth, and a vertical inner wing whose base is set back from the base of the outer wing so not to come in contact with the canvas.

Dans une deuxième réalisation, décrite par le document FR 2 793 506 , l'élément de profilé en aluminium comporte deux ailes, à savoir une aile externe verticale sur laquelle est fixée la toile en polychlorure de vinyle, et une aile interne inclinée ou verticale dont la base est située en dessous de la base de l'aile externe de façon à venir en contact avec la toile.In a second embodiment, described by the document FR 2 793 506 the aluminum profile element has two wings, namely a vertical outer wing on which is fixed the polyvinyl chloride cloth, and an inner inclined or vertical wing whose base is located below the base of the outer wing so as to come into contact with the canvas.

Dans une troisième réalisation, décrite par le document FR 2 789 101 , l'élément profilé en aluminium comporte une paroi supérieure horizontale, une paroi latérale verticale et une paroi de rigidification oblique, le profilé formant un caisson.In a third embodiment, described by the document FR 2 789 101 , the aluminum profile element comprises a horizontal upper wall, a vertical side wall and an oblique stiffening wall, the profile forming a box.

Dans chacun des trois montages décrits par les documents FR 2 793 504 , FR 2 793 506 , FR 2 789 101 , la toile est fixée sur le bord transversal d'une aile du profilé, en particulier par collage, et ce bord de fixation est présenté comme de très faible largeur. Aucune valeur numérique n'est donnée, même à titre d'exemple, pour cette largeur du bord de fixation de toile.In each of the three montages described by the documents FR 2 793 504 , FR 2 793 506 , FR 2 789 101 , the fabric is fixed on the transverse edge of a wing of the profile, in particular by gluing, and this fixing edge is presented as very small width. No numerical value is given, even by way of example, for this width of the web attachment edge.

L'avantage prétendu à cette « faible largeur » de bande de fixation est le suivant : lorsque l'on dispose la dalle sur un élément porteur en forme de T inversé fixé à un plafond par des tirants, la zone de collage de la toile sur le cadre est complètement masquée aux yeux d'un observateur regardant le faux plafond, puisque la largeur de la bande transversale du profilé en T est supérieure à la largeur de la zone de collage de la toile sur son cadre.The advantage of this "narrow width" fastening strip is as follows: when the slab is placed on an inverted T-shaped support element fixed to a ceiling by tie rods, the bonding zone of the fabric on the frame is completely hidden from the eyes of an observer looking at the false ceiling, since the width of the transverse strip of the T-section is greater than the width of the bonding zone of the fabric on its frame.

Les dalles décrites dans les documents FR 2 793 504 , FR 2 793 506 ou FR 2 789 101 présentent de nombreux inconvénients.The slabs described in the documents FR 2 793 504 , FR 2 793 506 or FR 2 789 101 have many disadvantages.

En premier lieu, lorsque les dalles sont de grandes surfaces, par exemple de l'ordre du mètre carré, une forte tension de la toile peut toujours entraîner une déformation du cadre sur lequel la toile est collée.In the first place, when the slabs are large surfaces, for example of the order of one square meter, a high tension of the fabric can always cause a deformation of the frame on which the fabric is glued.

En second lieu, les éléments en forme de T supportant les dalles doivent être, de préférence, les plus discrets possibles, la largeur de leur branche transversale devant être la plus faible possible pour que le faux plafond suspendu ait une apparence aussi proche que possible de celle d'un vrai plafond. Les montages décrits dans les documents FR 2 793 504 , FR 2 793 506 ou FR 2 789 101 ne permettent pas de réduire significativement la largeur des éléments supports en forme de T, en particulier lorsque les dalles sont de grande surface, sauf à ce que la zone de collage de la toile soit apparente. Plus la dalle est de surface importante, plus la zone de collage de la toile sur le cadre doit être large, cette zone de collage ne pouvant plus être masquée par le support en T, sauf à augmenter la largeur de ce profilé en T.Secondly, the T-shaped elements supporting the slabs should preferably be as discrete as possible, the width of their transverse branch should be as small as possible so that the false suspended ceiling has an appearance as close as possible to that of a real ceiling. The montages described in the documents FR 2 793 504 , FR 2 793 506 or FR 2 789 101 do not significantly reduce the width of the T-shaped support elements, especially when the slabs are large, except that the bonding area of the fabric is apparent. The larger the slab, the greater the bonding area of the fabric to the frame, this bonding area can no longer be masked by the T-shaped support, except to increase the width of this T-section.

La dalle décrite dans le document FR 2 793 506 présente l'inconvénient supplémentaire suivant : la toile de chaque dalle n'est pas tendue plane sur son cadre, la finition du faux plafond ne pouvant être proche de celle d'un plafond plan conventionnel.The slab described in the document FR 2 793 506 has the additional disadvantage that the fabric of each slab is not stretched flat on its frame, the finish of the false ceiling can not be close to that of a conventional plane ceiling.

On peut se reporter également au document WO 9950512 .Reference can also be made to the document WO 9950512 .

Pour résoudre les problèmes mentionnés ci-dessus, la demanderesse a développé un profil pour cadre à empocher, ce profil étant décrit notamment dans le document WO 2007051927 .To solve the problems mentioned above, the applicant has developed a profile for a frame to pocket, this profile being described in particular in the document WO 2007051927 .

La demanderesse a constaté, cependant, que même en employant des profilés tels que décrits dans le document WO 2007051927 , un très léger défaut d'aspect restait possible, en particulier lorsque les dalles sont de grande surface.The Applicant has found, however, that even when using profiles as described in the document WO 2007051927 , a very slight defect of appearance remained possible, especially when the slabs are large.

La demanderesse s'est attachée à résoudre ce problème de manière simple, rapide, et peu coûteuse, et ce sans modifier la structure du cadre de dalle ni le procédé pour l'empocher.The Applicant has endeavored to solve this problem in a simple, fast, and inexpensive way, without changing the structure of the slab frame or the process for pocketing it.

A ces fins, l'invention se rapporte selon un premier aspect, à un cadre de dalle de faux plafond, au moins un côté de ce cadre comprenant, lorsque vu en coupe, une paroi supérieure et une paroi latérale, la paroi supérieure étant pourvue d'un méplat rapporté, ce méplat comprenant au moins deux trous traversants de passages de moyens d'assemblage tels que des vis, un des trous traversants étant ovalisé ou oblong.For these purposes, the invention relates, according to a first aspect, to a false ceiling slab frame, at least one side of this frame comprising, when seen in section, an upper wall and a side wall, the upper wall being provided with a flat surface, this flat comprising at least two through holes of assembly means such as screws, one of the through holes being oval or oblong.

Le cadre présente, dans diverses réalisations, les caractères suivants, le cas échéant combinés :

  • le cadre étant de contour sensiblement rectangulaire, carré, ou polygonal, il comprend au moins deux méplats disposés sensiblement parallèlement à l'un des côtés du contour de cadre ;
  • la largeur de méplat est sensiblement inférieure à la largeur de la paroi supérieure ;
  • chaque méplat est pourvu de trois trous traversants sensiblement alignés, l'un des trous traversants étant ovalisé ou oblong ;
  • le trou traversant ovalisé ou oblong est disposé latéralement ou sensiblement à mi longueur de méplat ;
  • la paroi latérale comprend une partie supérieure sensiblement verticale et une partie inférieure, les parties inférieure et supérieure définissant un angle obtus, en face externe du cadre de dalle ;
  • au moins un côté de cadre comprend, lorsque vu en coupe, en plus desdites parois supérieure et latérale, au moins une paroi de rigidification ;
  • le cadre comprend une première paroi de rigidification, cette première paroi de rigidification formant un caisson avec la paroi supérieure, la paroi latérale et une aile interne ;
  • le cadre comprend une deuxième paroi de rigidification, cette deuxième paroi formant un caisson avec la première paroi de rigidification et la paroi latérale ;
  • ledit côté de cadre comprend, lorsque vu en coupe, une paroi supérieure sensiblement horizontale, ledit angle obtus étant compris entre 1 degré et 60 degrés, et plus particulièrement entre 5 et 20 degrés.
The framework presents, in various embodiments, the following characters, where appropriate combined:
  • the frame being of substantially rectangular, square, or polygonal contour, it comprises at least two flats arranged substantially parallel to one of the sides of the frame contour;
  • the flat width is substantially smaller than the width of the upper wall;
  • each flat is provided with three substantially aligned through holes, one of the through holes being oval or oblong;
  • the oval or oblong through-hole is disposed laterally or substantially at mid flat length;
  • the side wall comprises a substantially vertical upper portion and a lower portion, the lower and upper portions defining an obtuse angle, on the outer face of the slab frame;
  • at least one frame side comprises, when viewed in section, in addition to said upper and lateral walls, at least one stiffening wall;
  • the frame comprises a first stiffening wall, this first stiffening wall forming a box with the upper wall, the side wall and an inner wing;
  • the frame comprises a second stiffening wall, this second wall forming a box with the first stiffening wall and the side wall;
  • said frame side comprises, when seen in section, a substantially horizontal upper wall, said obtuse angle being between 1 degree and 60 degrees, and more particularly between 5 and 20 degrees.

L'invention se rapporte, selon un deuxième aspect, à une dalle de faux plafond comprenant un cadre tel que présenté ci dessus, et une toile dans laquelle le cadre est ensaché, définissant ainsi une bande de toile tendue inférieure et une bande de toile tendue supérieure.The invention relates, in a second aspect, to a false ceiling slab comprising a frame as presented above, and a canvas in which the frame is bagged, thereby defining a lower stretched canvas strip and a stretched canvas strip. higher.

L'invention se rapporte, selon un troisième aspect, à un faux plafond comprenant une dalle telle que présentée ci dessus, cette dalle étant montée sur un support en forme de T inversé.The invention relates, in a third aspect, to a false ceiling comprising a slab as presented above, this slab being mounted on an inverted T-shaped support.

D'autres objets et avantages de l'invention apparaîtront au cours de la description suivante de modes de réalisation, description qui va être effectuée à la lumière des dessins annexés, dans lesquels :

  • les figures 1 et 2 sont des vues en coupe de dalles comprenant un cadre, ce cadre étant ensaché dans une toile, une équerre de montage étant en place dans la variante de la figure 2 ;
  • la figure 3 est une vue de dessus des dalles représentées en figures 1 et 2.
Other objects and advantages of the invention will become apparent from the following description of embodiments, which description will be made in the light of the appended drawings, in which:
  • the Figures 1 and 2 are sectional views of slabs comprising a frame, this frame being bagged in a fabric, a mounting bracket being in place in the variant of the figure 2 ;
  • the figure 3 is a top view of the slabs represented in Figures 1 and 2 .

Le cadre de dalle 1 représenté sur la figure 1 est par exemple réalisé en alliage d'aluminium, par extrusion.The slab frame 1 shown on the figure 1 is for example made of aluminum alloy, by extrusion.

Ce cadre 1 comprend une paroi supérieure 2 sensiblement horizontale, et une paroi latérale comprenant une partie supérieure 3 sensiblement verticale et une partie inférieure 4 inclinée.This frame 1 comprises a substantially horizontal upper wall 2, and a side wall comprising a substantially vertical upper portion 3 and a lower inclined portion 4.

La partie supérieure 3 et la partie inférieure 4 définissent un angle α (alpha) de l'ordre de 10 à 20 degrés, cet angle alpha étant obtus lorsque mesuré en face externe du cadre. En d'autres termes, la partie inférieure 4 va en s'éloignant de l'intérieur 5 du cadre 1.The upper part 3 and the lower part 4 define an angle α (alpha) of the order of 10 to 20 degrees, this angle alpha being obtuse when measured in the outer face of the frame. In other words, the lower part 4 goes away from the inside 5 of the frame 1.

Le cadre comprend en outre une aile interne 6 sensiblement verticale et parallèle à la partie supérieure 3 de la paroi latérale. Sur cette aile interne 6 sont ménagées deux gorges 7, 8 à ouverture tournée vers l'intérieur 5 du cadre 1. Ces gorges 7, 8 servent, le cas échéant, au montage d'une cornière 9 d'appui pour un insert, tel que par exemple un insert d'isolation phonique et/ou thermique, ou bien encore un dispositif d'éclairage.The frame further comprises an inner wing 6 substantially vertical and parallel to the upper part 3 of the side wall. On this inner flange 6 are formed two grooves 7, 8 with an inwardly facing opening 5 of the frame 1. These grooves 7, 8 serve, where appropriate, to mount a support angle 9 for an insert, such as that for example a sound insulation insert and / or thermal, or even a lighting device.

Le cadre 1 comprend également une surface d'appui horizontale 10 de faible largeur, en partie inférieure de la paroi latérale. Dans les réalisations représentées, la partie inférieure 4 de la paroi latérale, l'angle alpha et la largeur de la surface d'appui horizontale 10 sont choisis tels que cette surface d'appui 10 s'étend sensiblement totalement vers l'extérieur du cadre, par rapport à un plan vertical P correspondant à la partie supérieure 3 de la paroi latérale.The frame 1 also comprises a horizontal bearing surface 10 of small width, in the lower part of the side wall. In the embodiments shown, the lower part 4 of the side wall, the angle alpha and the width of the horizontal bearing surface 10 are chosen such that this bearing surface 10 extends substantially completely towards the outside of the frame relative to a vertical plane P corresponding to the upper part 3 of the side wall.

Cette réalisation permet d'épouser au mieux la forme des supports 11 de barres en T inversé 12.This embodiment makes it possible to marry at best the shape of the supports 11 of inverted T bars 12.

Le cadre 1 comprend en outre une première paroi de rigidification 13 sensiblement horizontale. Cette première paroi de rigidification forme un caisson 14 avec la paroi supérieure 2, la partie supérieure 3 de la paroi latérale et l'aile interne 6.The frame 1 further comprises a first substantially horizontal stiffening wall 13. This first stiffening wall forms a box 14 with the upper wall 2, the upper part 3 of the side wall and the inner wing 6.

Sur cette première paroi de rigidification, ainsi qu'il apparaît en figure 2, une gorge en C peut être placée pour loger une éclisse ou équerre 15 d'assemblage de deux tronçons de cadre contigus.On this first stiffening wall, as it appears in figure 2 , a C-groove may be placed to house a joint splice or splice of two contiguous frame sections.

Dans la réalisation représentée en figure 3, trois gorges en C s'étendent dans le caisson 14. Ces trois gorges 21, 22, 23 s'étendent sur la paroi supérieure 2, la partie supérieure 3 de la paroi latérale et la première paroi de rigidification. Chacune de ces gorges permet la mise en place d'éclisses ou équerres d'assemblage de tronçons de cadre contigus.In the embodiment shown in figure 3 three grooves C extend in the casing 14. These three grooves 21, 22, 23 extend on the upper wall 2, the upper part 3 of the side wall and the first stiffening wall. Each of these grooves allows the establishment of splices or brackets assembly of contiguous frame sections.

Le cadre 1 comprend en outre une deuxième paroi de rigidification 16 reliant la surface d'appui 10 et l'aile interne 6. Cette deuxième paroi de rigidification forme un caisson 17 avec la paroi latérale, la surface d'appui 10 et la première paroi de rigidification 13.The frame 1 further comprises a second stiffening wall 16 connecting the bearing surface 10 and the inner wing 6. This second stiffening wall forms a box 17 with the side wall, the bearing surface 10 and the first wall stiffening 13.

Le cadre est ensaché dans une toile 18, de sorte à définir une bande de toile inférieure 19 et une bande toile supérieure 20. Par exemple, la toile est avantageusement thermo rétractée sur le cadre.The frame is bagged in a fabric 18, so as to define a lower fabric band 19 and an upper fabric band 20. For example, the fabric is advantageously heat-shrunk onto the frame.

Dans la réalisation représentée, ces deux bandes de toile sont sensiblement parallèles. Entre ces deux bandes 19,20 des inserts phoniques et/ou thermiques (non représentés) peuvent être montés, sur des cornières 9 ou tout autre support ad hoc, monté sur le cadre 1 par les gorges 7, 8. La présence de deux gorges 7, 8 (ou plus) permet de régler la hauteur de montage des cornières 9.In the embodiment shown, these two strips of fabric are substantially parallel. Between these two strips 19,20 sound and / or thermal inserts (not shown) can be mounted on brackets 9 or any other ad hoc support, mounted on the frame 1 by the grooves 7, 8. The presence of two grooves 7, 8 (or more) adjusts the mounting height of the angles 9.

A titre indicatif, l'angle entre l'horizontale et la paroi de rigidification 16 est de l'ordre de 40 degrés, l'angle entre l'horizontale et la partie inférieure 4 de la paroi latérale est de 70 degrés, la hauteur totale du cadre étant de 50 à 100 millimètres.As an indication, the angle between the horizontal and the stiffening wall 16 is of the order of 40 degrees, the angle between the horizontal and the lower part 4 of the side wall is 70 degrees, the total height frame being 50 to 100 millimeters.

Les matériaux employés pour la toile sont avantageusement des matériaux polymères résistants au feu, étanches à l'air comme à la poussière ou à l'humidité, faciles d'entretien.The materials used for the fabric are advantageously fire-resistant polymer materials, airtight as dust or moisture, easy maintenance.

Translucides ou opaques, teintés ou non dans la masse, mats, laqués, marbrés, daims ou satinés, ces matériaux pourront ainsi être employés tant en milieu industriel qu'en milieu hospitalier, pour des équipements collectifs, des laboratoires ou des habitations. La finition laquée permet un effet miroir souvent mis en oeuvre dans les centres commerciaux, une finition mat assez proche d'un aspect plâtre étant plus habituelle aux décors traditionnels.Translucent or opaque, tinted or not in the mass, matt, lacquered, marbled, suede or satin, these materials can be used both in industrial and hospital environments, for public facilities, laboratories or homes. The lacquered finish allows a mirror effect often used in shopping centers, a matte finish rather close to a plaster aspect being more usual to traditional decorations.

Le cadre de dalle ainsi conçu présente une grande résistance à la déformation, du fait de la présence de l'angle obtus α (alpha) et de la présence de parois de rigidification formant des caissons.The slab frame thus designed has a high resistance to deformation, due to the presence of the obtuse angle α (alpha) and the presence of stiffening walls forming caissons.

La demanderesse a cependant constaté que de légers défauts d'aspect pouvaient survenir, en particulier lorsque les dalles sont de grande surface.The Applicant however found that slight appearance defects could occur, especially when the slabs are large.

Pour résoudre ce problème, une fois que le cadre 1 est empoché, deux méplats 30 sont fixés sur le cadre 1. Plus précisément, les méplats sont fixés sur la paroi supérieure 2 du cadre 1.To solve this problem, once the frame 1 is pocketed, two flats 30 are fixed on the frame 1. More specifically, the flats are fixed on the upper wall 2 of the frame 1.

Les méplats sont avantageusement de largeur inférieure à celle de la paroi supérieure 2. Ils ne sont ainsi pas visibles pour un observateur placé devant la face inférieure 19 de la toile.The flats are advantageously of smaller width than that of the upper wall 2. They are thus not visible for an observer placed in front of the lower face 19 of the fabric.

Dans le mode de réalisation représenté en figure 3, le cadre est sensiblement rectangulaire et les méplats 30 sont disposés parallèlement aux grands côtés de la dalle.In the embodiment shown in figure 3 the frame is substantially rectangular and the flats 30 are arranged parallel to the long sides of the slab.

Dans un autre mode de réalisation, la dalle est sensiblement rectangulaire ou bien encore carrée, et est pourvue de plus de deux méplats, par exemple quatre, disposés chacun parallèlement à un côté de la dalle.In another embodiment, the slab is substantially rectangular or even square, and is provided with more than two flats, for example four, each arranged parallel to one side of the slab.

Dans un autre mode de réalisation, la dalle est sensiblement polygonale, et est pourvue d'au moins un méplat disposés sensiblement parallèlement à l'un de ses côtés.In another embodiment, the slab is substantially polygonal, and is provided with at least one flat disposed substantially parallel to one of its sides.

Les méplats 30 sont métalliques, dans une mise en oeuvre. Avantageusement, les méplats 30 sont en alliage d'aluminium.The flats 30 are metallic in one embodiment. Advantageously, the flats 30 are made of aluminum alloy.

Chaque méplat est pourvu de trois trous traversants 31, 32, 33. Ces trous traversants sont sensiblement alignés.Each flat is provided with three through holes 31, 32, 33. These through holes are substantially aligned.

Deux des trois trous sont d'ouverture circulaire. Une vis est mise en place dans chacun de ces deux trous circulaires, le vissage étant complété sans serrage.Two of the three holes are circular opening. A screw is placed in each of these two circular holes, the screw being completed without tightening.

La troisième trou 33 est légèrement ovalisé voire oblong. Une vis est montée au travers de ce troisième trou 33.The third hole 33 is slightly oval or oblong. A screw is mounted through this third hole 33.

Dans le mode de réalisation représenté, le trou ovalisé ou oblong 33 est disposé en partie latérale du méplat.In the embodiment shown, the oval or oblong hole 33 is disposed at the lateral portion of the flat.

Dans d'autres modes de réalisation, le trou ovalisé ou oblong est disposé en partie centrale du méplat, par exemple à mi distance.In other embodiments, the oval or oblong hole is disposed in the central portion of the flat, for example midway.

Pour assurer un cintrage contrôlé du cadre (flèche B, figure 3), une contrainte est exercée sur les méplats 30 (flèche A, figure 3). Puis, la vis passant au travers du troisième trou 33 oblong est serrée.To ensure controlled bending of the frame (arrow B, figure 3 ), a stress is exerted on the flats 30 (arrow A, figure 3 ). Then, the screw passing through the third oblong hole 33 is tightened.

Le cintrage contrôlé permet de rétablir la forme souhaitée pour la dalle, après son empochage, et ce sans renforts internes ni plaques de renfort (par exemple en plexiglass ®). La dalle n'est ainsi pas excessivement alourdie.The controlled bending makes it possible to restore the desired shape for the slab, after its pocketing, and without internal reinforcements or reinforcing plates (for example in plexiglass ®). The slab is not overly heavy.

Le réglage peut être effectué à la fabrication, ou lors de la pose sur chantier. Le poseur peut ainsi assurer une parfaite linéarité des bords de dalles rectangulaires ou carrées.The adjustment can be made during manufacture or during installation on site. The installer can thus ensure perfect linearity of the edges of rectangular or square slabs.

La mise en place des méplats n'a aucun impact esthétique sur les dalles, ces méplats, portés par la paroi supérieure 2, n'étant pas visibles par le dessous de la dalle.Placing flats has no aesthetic impact on the slabs, these flats, carried by the upper wall 2, not being visible from below the slab.

Bien que les moyens de réglage du cintrage aient été décrits en référence à un profil pour cadre à empocher tel que présenté dans le document WO 2007051927 , il est entendu que ces moyens peuvent être mis en place dans toute dalle de faux plafond à comprenant un cadre pourvu d'une paroi supérieure 2.Although the bending adjustment means have been described with reference to a frame profile to be pocketed as presented in the document WO 2007051927 it is understood that these means can be implemented in any false ceiling slab comprising a frame provided with an upper wall 2.

Claims (12)

  1. Panel frame for suspended ceiling, at least one side of this frame comprising, when seen in section, a top wall (2) and a side wall, characterized in that the top wall (2) is provided with a fitted flat section (30), this flat section comprising at least two through-holes (31, 32, 33) for the passage of assembly means such as screws, one of the through-holes being ovalized or oblong.
  2. Panel frame for suspended ceiling according to Claim 1, this frame having a substantially rectangular, square, or polygonal contour and comprising at least two flat sections placed substantially parallel to one of the sides of the frame contour.
  3. Panel frame for suspended ceiling according to Claim 1 or 2, characterized in that the width of the flat section is substantially less than the width of the top wall (2).
  4. Panel frame for suspended ceiling according to any one of Claims 1 to 3, characterized in that each flat section is provided with three substantially aligned through-holes (31, 32, 33), one of the through-holes being ovalized or oblong.
  5. Panel frame for suspended ceiling according to Claim 4, characterized in that the ovalized or oblong through-hole is placed laterally or substantially half way along the flat section.
  6. Panel frame for suspended ceiling according to any one of Claims 1 to 5, characterized in that the side wall comprises a substantially vertical top portion (3) and a bottom portion (4), the bottom portion (4) and top portion (3) defining an obtuse angle, on the outer face of the panel frame (1).
  7. Panel frame according to any one of Claims 1 to 6, characterized in that at least one frame side comprises, when seen in section, in addition to the said top wall (2) and side wall, at least one stiffening wall.
  8. Panel frame according to Claim 7, characterized in that it comprises a first stiffening wall (13), this first stiffening wall (13) forming a box assembly (14) with the top wall (2), the side wall and an inner flange (6).
  9. Panel frame according to either one of Claims 7 and 8, characterized in that it comprises a second stiffening wall (16), this second wall (16) forming a box assembly (17) with the first stiffening wall (13) and the side wall.
  10. Panel frame according any one of Claims 6 to 9, characterized in that the said frame side comprises, when seen in section, a substantially horizontal top wall (2), the said obtuse angle being between 1 degree and 60 degrees, and more particularly between 5 and 20 degrees.
  11. Suspended-ceiling panel comprising a frame (1) as explained in any one of the preceding claims, and a sheet in which the frame (1) is bagged, thus defining a strip of bottom stretched sheet (19) and a strip of top stretched sheet (20).
  12. Suspended ceiling comprising a panel as explained in Claim 11, this panel being mounted on an inverted-T-shaped support (12).
EP09784281.9A 2008-07-22 2009-07-21 Profile bowing means for a sinking surround Not-in-force EP2313574B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0804176A FR2934284B1 (en) 2008-07-22 2008-07-22 PROFILE BENDING MEANS FOR EMPTY FRAME
PCT/FR2009/000894 WO2010010249A2 (en) 2008-07-22 2009-07-21 Profile bowing means for a sinking surround

Publications (2)

Publication Number Publication Date
EP2313574A2 EP2313574A2 (en) 2011-04-27
EP2313574B1 true EP2313574B1 (en) 2013-05-29

Family

ID=40262156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09784281.9A Not-in-force EP2313574B1 (en) 2008-07-22 2009-07-21 Profile bowing means for a sinking surround

Country Status (7)

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US (1) US8689505B2 (en)
EP (1) EP2313574B1 (en)
CA (1) CA2731788C (en)
ES (1) ES2426240T3 (en)
FR (1) FR2934284B1 (en)
PT (1) PT2313574E (en)
WO (1) WO2010010249A2 (en)

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CA2927168A1 (en) * 2016-04-14 2017-10-14 Certainteed Canada, Inc. Translucent ceiling or wall panel
FR3053709B1 (en) * 2016-07-06 2019-10-18 Normalu Sas LUMINOUS LOWERING DEVICE
ES2815551T3 (en) * 2016-07-08 2021-03-30 Kvadrat Soft Cells As Panel for a suspended false ceiling or similar and method of mounting a fabric in a frame of a suspended suspended ceiling or similar
FR3056998A1 (en) * 2016-09-26 2018-04-06 Atlanta France COVERING DEVICE OR FALSE CEILING
CN108049545A (en) * 2017-12-12 2018-05-18 中展远洋商务咨询（北京）有限公司 A kind of spread puts up method on the curved surface apex angle of exhibition ceiling framework
CA3028281A1 (en) * 2017-12-29 2019-06-29 Certainteed Ceilings Corporation Ceiling tile with integrated lighting and ceiling tile system
FR3140638A1 (en) 2022-10-05 2024-04-12 Newmat Profiled element for stretched canvas slab and slab comprising such a profiled element

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Also Published As

Publication number Publication date
FR2934284A1 (en) 2010-01-29
US20110203210A1 (en) 2011-08-25
FR2934284B1 (en) 2010-09-10
CA2731788C (en) 2016-07-19
US8689505B2 (en) 2014-04-08
CA2731788A1 (en) 2010-01-28
ES2426240T3 (en) 2013-10-22
PT2313574E (en) 2013-09-02
WO2010010249A3 (en) 2010-03-25
EP2313574A2 (en) 2011-04-27
WO2010010249A2 (en) 2010-01-28

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