EP2900884B1 - Mirror wall tile and method for manufacturing such a tile - Google Patents

Mirror wall tile and method for manufacturing such a tile Download PDF

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Publication number
EP2900884B1
EP2900884B1 EP13779304.8A EP13779304A EP2900884B1 EP 2900884 B1 EP2900884 B1 EP 2900884B1 EP 13779304 A EP13779304 A EP 13779304A EP 2900884 B1 EP2900884 B1 EP 2900884B1
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EP
European Patent Office
Prior art keywords
frame
flat
cloth
side edge
wall tile
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Application number
EP13779304.8A
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German (de)
French (fr)
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EP2900884A1 (en
Inventor
Jean-Marc Scherrer
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Normalu SAS
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Normalu SAS
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Publication of EP2900884A1 publication Critical patent/EP2900884A1/en
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    • 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
    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
    • 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 field of wall slabs intended in particular to form a suspended ceiling or a wall wall.
  • the invention relates more particularly to a wall slab consisting of a frame and a fabric stretched over the frame, said fabric having a face with a mirror effect.
  • Such a non-reflecting wall tile is for example known from US2005/150616 A1 which discloses a wall tile comprising a frame having at least one side edge and an attached canvas stretched over the side edge of the frame so as to cover a face of said frame and having a rear face, the wall tile further comprising at least one tension reinforcing profile positioned between the rear face of said fabric and the side edge of said frame.
  • wall tiles for suspended ceilings or wall walls are formed from a fabric, usually made of polyvinyl chloride (PVC), fixed to a rigid metal frame.
  • PVC polyvinyl chloride
  • the latter have the disadvantage of giving the canvas a certain rigidity so that the tensioning of the canvas on the frame is made more difficult.
  • the image reflected on the canvas presents distortions.
  • the defects and deformations present on the surface of the canvas are all the more visible to the back of the neck when the canvas is not tightly stretched, thus harming the desired mirror effect.
  • the invention aims to remedy these problems by proposing a wall slab with a mirror effect having an optimal tension of the canvas on the frame.
  • the invention proposes a wall slab according to claim 1.
  • Front side means the side of the fabric visible from inside the room in which the wall slab is installed, and conversely, by “rear side", the side of the fabric not visible from inside the room in which the wall slab is installed.
  • flat also denotes a part having a profile of rectangular section and of low thickness.
  • tension reinforcement flat(s) ensures the tensioning of the canvas on the frame. Furthermore, when the canvas is stretched over the frame, the latter exerts compression and bending forces on the frame. The presence of tension reinforcing flat(s) then makes it possible to distribute the forces thus exerted by the fabric uniformly along the side edge(s) of the frame.
  • the wall slab, the tension of the fabric of which is ensured due to the presence of reinforcing flat(s) thus has a reflective front face that is flat at all points, thus providing in return a mirror image devoid of distortion.
  • tension reinforcement flat will be referred to interchangeably below as “reinforcement flat” or “flat”.
  • the reinforcing flat has a thickness greater than 0.5 millimeters.
  • the reinforcing flat is fixed to the side edge of the frame by means of a first adhesive layer and to the canvas by means of a second adhesive layer, the first and second adhesive layers being located at a given height of the canvas. .
  • the invention also relates to a method for producing a wall slab according to claim 4.
  • the reflective outer face is coated with a protective film, preferably peelable.
  • the reinforcing flat is fixed to the fabric by means of a first adhesive layer applied to one face of the flat so as to reserve a longitudinal zone devoid of adhesive, the flat being placed on the fabric so that the edge longitudinal of the flat bordering the longitudinal zone devoid of adhesive or in contact with the longitudinal zone devoid of adhesive (7) of the side edge of the frame.
  • the reinforcing flat is fixed to the side edge of the frame by means of a second adhesive layer applied to the side edge of the frame so as to reserve a longitudinal zone devoid of adhesive.
  • the canvas is cut along a cutting line delimited by the reinforcing flat and the frame.
  • the method comprises a step of heating the canvas once the latter has been stretched over the frame.
  • a wall slab 1 comprising a frame 2 of substantially parallelepipedal shape and a fabric 3 mounted taut on said frame.
  • the frame 2 preferably metal, is formed of four sections 2a to 2d, preferably aluminum, having, in section, the shape of a right square, one of the branches constitutes one of the side edges 20a to 20d of the frame 2 , the other branch constituting the rear face of the wall slab.
  • the fabric 3 advantageously made of polyvinyl chloride (PVC), comprises a first face called the "front face” 30 coated with a reflective metallized material and a second face called the “rear face” 31.
  • the front and rear faces are defined 30, 31 depending on position of canvas 3 relative to frame 2.
  • the canvas 3 is fixed to the frame 2 by means of reinforcing flats 4a to 4d.
  • the wall slab 1 comprises four flats 4a to 4d, each flat being arranged between a side edge of one of the sections 2a to 2d and the internal face of a fabric flap folded over the side edge in question.
  • the reinforcing flats 4a to 4d are arranged with the frame 2 and the canvas 3 to ensure the tensioning of the canvas on the frame.
  • each flat 4a to 4d advantageously has dimensions identical to the dimensions of the associated side edge 20a, 20d of the frame 2. It also has a thickness greater than 0.5 millimeter. According to a preferred embodiment, the flats 4a to 4d have a thickness substantially equal to that of the branches of the sections constituting the side edges of the frame.
  • each flat 4a to 4d is fixed by a first adhesive layer 6 on the canvas 2 and by a second adhesive layer 5 on one of the side edges 20a, 20d of the frame 2.
  • the adhesive layers 5 have dimensions identical to those of the adhesive layers 6.
  • the adhesive layers 5 and 6 consist of double-sided adhesive strips.
  • the adhesive strips are dimensioned to extend over the entire length of the side edges of the frame 2 as well as over the entire length of the flats. On the other hand, they have a width less than that of the side edges and the flats. As will be seen below, this dimensional difference will ensure the tensioning of the canvas (2).
  • the wall slab 1 according to the invention is made according to the following steps ( figures 3A to 3D ).
  • the first step consists in coating the outer side edge 20a to 20d of each section 2a to 2d forming the frame 2 as well as one of the surfaces of each flat 4a to 4d with an adhesive strip 5, 6 double-sided.
  • the adhesive strips 5 are glued to the side edges of the frame 2 while being positioned at the edge of the edges of the angled shape of the sections, thus preserving a non-adhesive longitudinal zone 7 (or zone longitudinally devoid of adhesive 7).
  • the adhesive strips 6 are glued to one of the faces of each of the flats while being positioned along one of the longitudinal edges of the flats, thus preserving a non-adhesive longitudinal zone 8 (or longitudinal zone devoid of adhesive 8).
  • the frame 2 is positioned on the rear face 31 of the canvas 3, the non-adhesive zone 7 of the frame 2 being arranged on the side of the fabric 2 ( Figure 3A ).
  • each reinforcing flat 4a to 4d is placed on the fabric 3 by positioning on the one hand the longitudinal edge located on the side of the non-adherent zone 8 of each flat adjacent to the side edge of the corresponding profile and on the other hand the face of each flat 4a to 4d bearing a double adhesive strip 6 on the fabric side 3 as illustrated in the Figure 3B .
  • care will have been taken to remove the protection covering the adhesive of the double-sided adhesive tape.
  • the longitudinal edge of each flat bordering the non-adherent longitudinal zone of the flat is in contact with the non-adherent longitudinal zone of the associated lateral edge of frame 2.
  • each reinforced canvas flap 3a to 3d is then folded over the associated side edge 20a to 20d of the frame 2, the protective sheet of the double-sided adhesive tape having been removed beforehand.
  • each reinforcing flat 4a to 4d will tilt around the junction line XX between the longitudinal edge of the flat and the non-adhesive longitudinal zone of the associated side edge of the frame, thus causing the tensioning of the fabric 3 on the frame 2.
  • the operation of fixing the reinforcing flats when folding down the reinforced canvas flaps is not limited to the technique of gluing, any other appropriate means and technique known to those skilled in the art being able be implemented without departing from the scope of the invention.
  • the second reinforced flap to be fixed to the frame 2 will be the canvas flap opposite the first reinforced flap of the fixed canvas.
  • the first reinforced flap is flap 3b as illustrated in the 3d figure
  • the second shutter to be fixed on the frame 2 will be the shutter associated with section 2a (not shown), the third flap being one of the two remaining flaps (flaps 3c or the flap corresponding to profile 2d).
  • the fabric 3 then being stretched over the frame 2, the latter is heated in order to remove any possible deformations produced during the construction of the wall slab and likely to generate marks visible to the naked eye on the wall slab.
  • the heating is carried out by the rear face 31 or the front face 30 of the canvas 3 depending on whether the reflecting face of the canvas is covered with a protective film (heating then being carried out from the rear) or not (heating which can be then carried out from the front of the canvas). It should be noted that in the case where the canvas has a protective film covering its reflective face, it should be removed once the heating step has been completed.
  • the adhesive layers are in the form of double-sided adhesive strips.
  • the adhesive layer could take a form other than that of a double-sided adhesive tape, such as for example a directly active adhesive layer, ie. without a protective layer.
  • the application of the adhesive layer will have to be done at very specific times during the production of the wall slab.
  • the application of the adhesive layer on each flat will be applied before their respective installation on the canvas while that applied on the side edges of the frame will be carried out after the installation of the frame on the back side of the canvas, previous or next the step of placing the flats on the canvas.
  • the adhesive is applied in the form of strips. It can, however, also be applied in the form of discontinuous strips.
  • the canvas is fixed to the frame by gluing, and more particularly by gluing the flats on the canvas and on the side edges of the frame. It is understood that the invention is not limited to this type of fixing means, said fabric being able to be fixed by any other appropriate means and technique known to those skilled in the art without departing from the scope of the invention, such as for example by riveting the elements together (canvas, flat and frame), by clipping, etc.
  • the frame is formed of four separate sections. It is of course possible for the frame to consist of a single profiled element, said frame being produced by folding and cutting said profiled element.
  • the frame 2 is substantially parallelepipedic in shape. It is understood that the invention is not limited to such a shape of frame, the slab possibly comprising a frame having a different shape, such as for example a triangular shape (in this case, the wall slab will comprise three reinforcing flats placed each between one of the side edges of the frame and a portion of fabric covering the side edge in question) or circular (in this case, the wall slab will include one or more reinforcing flats extending between the perimeter of the frame and the portion of fabric covering the circumference in question).
  • a triangular shape in this case, the wall slab will comprise three reinforcing flats placed each between one of the side edges of the frame and a portion of fabric covering the side edge in question
  • the wall slab will include one or more reinforcing flats extending between the perimeter of the frame and the portion of fabric covering the circumference in question).
  • the reinforced canvas flaps are fixed flat against the side edges of the frame.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Finishing Walls (AREA)

Description

L'invention concerne le domaine des dalles de paroi destinées notamment à former un plafond suspendu ou une paroi murale.The invention relates to the field of wall slabs intended in particular to form a suspended ceiling or a wall wall.

L'invention concerne plus particulièrement une dalle de paroi constituée d'un cadre et d'une toile tendue sur le cadre, ladite toile présentant une face à effet miroir.The invention relates more particularly to a wall slab consisting of a frame and a fabric stretched over the frame, said fabric having a face with a mirror effect.

Une telle dalle de paroi non réfléchissante est par exemple connue de US2005/150616 A1 qui divulgue une dalle de paroi comprenant un cadre présentant au moins un bord latéral et une toile fixée tendue sur le bord latéral du cadre de manière à couvrir une face dudit cadre et présentant une face arrière, la dalle de paroi comprenant en outre au moins un profilé de renfort de tension positionné entre la face arrière de ladite toile et le bord latéral dudit cadre.Such a non-reflecting wall tile is for example known from US2005/150616 A1 which discloses a wall tile comprising a frame having at least one side edge and an attached canvas stretched over the side edge of the frame so as to cover a face of said frame and having a rear face, the wall tile further comprising at least one tension reinforcing profile positioned between the rear face of said fabric and the side edge of said frame.

De manière connu, les dalles de paroi pour plafond suspendu ou paroi murale sont formées d'une toile, constituée la plupart du temps de chlorure de polyvinyle (PVC), fixée sur un cadre rigide métallique. Afin de tendre la toile sur le cadre, il est en général procédé à son chauffage afin de la dilater, la toile se rétractant ensuite lors de son refroidissement, assurant ainsi sa tension sur le cadre.In a known manner, wall tiles for suspended ceilings or wall walls are formed from a fabric, usually made of polyvinyl chloride (PVC), fixed to a rigid metal frame. In order to stretch the canvas on the frame, it is generally heated in order to expand it, the canvas then retracting during its cooling, thus ensuring its tension on the frame.

Face à une demande croissante de plafonds ou de parois murales décoratif(ve)s, il est répandu de revêtir les faces des dalles de paroi visibles depuis le local dans lequel elles sont installées, soit de peinture, soit d'un revêtement décoratif. Parmi les revêtements décoratifs mis en œuvre, sont proposés des revêtements à effet miroir.Faced with an increasing demand for decorative ceilings or wall panels, it is common practice to coat the faces of the wall tiles visible from the room in which they are installed, either with paint or with a decorative coating. Among the decorative coatings used, mirror effect coatings are offered.

Ces derniers présentent cependant l'inconvénient de conférer à la toile une certaine rigidité de sorte que la mise en tension de la toile sur le cadre est rendue plus difficile. Or, lorsqu'elle n'est pas suffisamment tendue, l'image reflétée sur la toile présente des distorsions. Par ailleurs, les défauts et déformations présents sur la surface de la toile sont d'autant plus visible à l'œil nuque que la toile n'est pas bien tendue, nuisant alors à l'effet miroir recherché.However, the latter have the disadvantage of giving the canvas a certain rigidity so that the tensioning of the canvas on the frame is made more difficult. However, when it is not sufficiently stretched, the image reflected on the canvas presents distortions. Moreover, the defects and deformations present on the surface of the canvas are all the more visible to the back of the neck when the canvas is not tightly stretched, thus harming the desired mirror effect.

L'invention vise à remédier à ces problèmes en proposant une dalle de paroi à effet miroir présentant une tension optimale de la toile sur le cadre.The invention aims to remedy these problems by proposing a wall slab with a mirror effect having an optimal tension of the canvas on the frame.

A cet effet, et selon un premier aspect, l'invention propose une dalle de paroi selon la revendication 1..To this end, and according to a first aspect, the invention proposes a wall slab according to claim 1.

Par « face avant», on désigne la face de la toile visible de l'intérieur du local dans lequel la dalle de paroi est installée, et inversement, par « face arrière», la face de la toile non visible de l'intérieur du local dans lequel la dalle de paroi est installée."Front side" means the side of the fabric visible from inside the room in which the wall slab is installed, and conversely, by "rear side", the side of the fabric not visible from inside the room in which the wall slab is installed.

On désigne également par « méplat » une pièce ayant un profil de section rectangulaire et de faible épaisseur.The term "flat" also denotes a part having a profile of rectangular section and of low thickness.

La présence de méplat(s) de renfort de tension permet d'assurer la mise sous tension de la toile sur le cadre. Par ailleurs, lorsque la toile est tendue sur le cadre, cette dernière exerce des forces de compression et de flexion sur le cadre. La présence de méplat(s) de renfort de tension permet alors de distribuer uniformément le long du ou des bords latéraux du cadre les forces ainsi exercées par la toile.The presence of tension reinforcement flat(s) ensures the tensioning of the canvas on the frame. Furthermore, when the canvas is stretched over the frame, the latter exerts compression and bending forces on the frame. The presence of tension reinforcing flat(s) then makes it possible to distribute the forces thus exerted by the fabric uniformly along the side edge(s) of the frame.

La dalle de paroi dont la tension de la toile est assurée du fait de la présence de méplat(s) de renfort présente ainsi une face avant réfléchissante plane en tout point, offrant ainsi en retour une image miroir dépourvue de distorsion.The wall slab, the tension of the fabric of which is ensured due to the presence of reinforcing flat(s) thus has a reflective front face that is flat at all points, thus providing in return a mirror image devoid of distortion.

On désignera indifféremment par la suite le « méplat de renfort de tension », par « méplat de renfort » ou « méplat ».The “tension reinforcement flat” will be referred to interchangeably below as “reinforcement flat” or “flat”.

Avantageusement, le méplat de renfort présente une épaisseur supérieure à 0,5 millimètre.Advantageously, the reinforcing flat has a thickness greater than 0.5 millimeters.

Avantageusement, le méplat de renfort est fixé sur le bord latéral du cadre au moyen d'une première couche adhésive et sur la toile au moyen d'une deuxième couche adhésive, les première et deuxième couches adhésives étant située à une hauteur donnée de la toile.Advantageously, the reinforcing flat is fixed to the side edge of the frame by means of a first adhesive layer and to the canvas by means of a second adhesive layer, the first and second adhesive layers being located at a given height of the canvas. .

L'invention concerne également un procédé de réalisation d'une dalle de paroi selon la revendication 4.The invention also relates to a method for producing a wall slab according to claim 4.

Avantageusement, la face extérieure réfléchissante est revêtue d'un film de protection, de préférence pelable.Advantageously, the reflective outer face is coated with a protective film, preferably peelable.

Avantageusement, le méplat de renfort est fixé sur la toile au moyen d'une première couche adhésive appliquée sur une face du méplat de façon à réserver une zone longitudinale dépourvue d'adhésif, le méplat étant placé sur la toile de sorte que le bord longitudinal du méplat bordant la zone longitudinale dépourvue d'adhésif soit au contact de la zone longitudinale dépourvue d'adhésif (7) du bord latéral du cadre.Advantageously, the reinforcing flat is fixed to the fabric by means of a first adhesive layer applied to one face of the flat so as to reserve a longitudinal zone devoid of adhesive, the flat being placed on the fabric so that the edge longitudinal of the flat bordering the longitudinal zone devoid of adhesive or in contact with the longitudinal zone devoid of adhesive (7) of the side edge of the frame.

Avantageusement, le méplat de renfort est fixé sur le bord latéral du cadre au moyen d'une deuxième couche adhésive appliquée sur le bord latéral du cadre de façon à réserver une zone longitudinale dépourvue d'adhésif.Advantageously, the reinforcing flat is fixed to the side edge of the frame by means of a second adhesive layer applied to the side edge of the frame so as to reserve a longitudinal zone devoid of adhesive.

Avantageusement, la toile est découpée le long d'une ligne de découpe délimitée par le méplat de renfort et le cadre.Advantageously, the canvas is cut along a cutting line delimited by the reinforcing flat and the frame.

Avantageusement, le procédé comporte une étape de chauffage de la toile une fois cette dernière tendue sur le cadre.Advantageously, the method comprises a step of heating the canvas once the latter has been stretched over the frame.

D'autres objets et avantages de l'invention apparaîtront au cours de la description qui suit, faite en référence aux dessins annexés, dans lesquels :

  • la figure 1 représente une vue schématique en coupe d'une dalle de paroi selon l'invention ;
  • la figure 2 représente une vue de détail agrandie de la dalle de paroi de la figure 1 ;
  • les figures 3A à 3D représentent une illustration schématique des étapes de réalisation de la dalle de paroi de la figure 1 ;
  • la figure 4 représente une vue en coupe du cadre de la dalle de paroi de la figure 3A.
Other objects and advantages of the invention will appear during the following description, made with reference to the appended drawings, in which:
  • the figure 1 shows a schematic sectional view of a wall slab according to the invention;
  • the figure 2 shows an enlarged detail view of the wall slab of the figure 1 ;
  • them figures 3A to 3D represent a schematic illustration of the stages of realization of the wall slab of the figure 1 ;
  • the figure 4 shows a sectional view of the frame of the wall slab of the Figure 3A .

En relation avec les figures 1 et 2, il est décrit une dalle de paroi 1 comprenant un cadre 2 de forme sensiblement parallélépipédique et une toile 3 montée tendue sur ledit cadre.In relation to the figures 1 and 2 , there is described a wall slab 1 comprising a frame 2 of substantially parallelepipedal shape and a fabric 3 mounted taut on said frame.

Le cadre 2, de préférence métallique, est formé de quatre profilés 2a à 2d, de préférence en aluminium, présentant, en section, une forme d'équerre droite dont l'une des branches constitue un des bords latéraux 20a à 20d du cadre 2, l'autre branche constituant la face arrière de la dalle de paroi.The frame 2, preferably metal, is formed of four sections 2a to 2d, preferably aluminum, having, in section, the shape of a right square, one of the branches constitutes one of the side edges 20a to 20d of the frame 2 , the other branch constituting the rear face of the wall slab.

La toile 3, avantageusement en polychlorure de vinyle (PVC), comporte une première face dite « face avant » 30 revêtue d'un matériau métallisé réfléchissant et d'une deuxième face dite « face arrière » 31. On définit les faces avant et arrière 30, 31 selon la position de la toile 3 par rapport au cadre 2.The fabric 3, advantageously made of polyvinyl chloride (PVC), comprises a first face called the "front face" 30 coated with a reflective metallized material and a second face called the "rear face" 31. The front and rear faces are defined 30, 31 depending on position of canvas 3 relative to frame 2.

Selon l'invention, la toile 3 est fixée sur le cadre 2 par l'intermédiaire de méplats de renfort 4a à 4d. Plus particulièrement, la dalle de paroi 1 comporte quatre méplats 4a à 4d, chaque méplat étant disposé entre un bord latéral d'un des profilés 2a à 2d et la face interne d'un volet de toile replié sur le bord latéral en question. Comme on le verra plus loin, les méplats de renfort 4a à 4d sont agencés avec le cadre 2 et la toile 3 pour assurer la mise en tension de la toile sur le cadre.According to the invention, the canvas 3 is fixed to the frame 2 by means of reinforcing flats 4a to 4d. More specifically, the wall slab 1 comprises four flats 4a to 4d, each flat being arranged between a side edge of one of the sections 2a to 2d and the internal face of a fabric flap folded over the side edge in question. As will be seen below, the reinforcing flats 4a to 4d are arranged with the frame 2 and the canvas 3 to ensure the tensioning of the canvas on the frame.

Les méplats se présentent chacun sous la forme d'une plaque allongée, de section rectangulaire et de faible épaisseur. Avantageusement, chaque méplat 4a à 4d présente avantageusement des dimensions identiques aux dimensions du bord latéral 20a, 20d associé du cadre 2. Il présente en outre une épaisseur supérieure à 0,5 millimètre. Selon un mode de réalisation préféré, les méplats 4a à 4d présentent une épaisseur sensiblement égale celle des branches des profilés constituant les bords latéraux du cadre.The flats are each in the form of an elongated plate, of rectangular section and of low thickness. Advantageously, each flat 4a to 4d advantageously has dimensions identical to the dimensions of the associated side edge 20a, 20d of the frame 2. It also has a thickness greater than 0.5 millimeter. According to a preferred embodiment, the flats 4a to 4d have a thickness substantially equal to that of the branches of the sections constituting the side edges of the frame.

Comme représenté sur la figure 2, chaque méplat 4a à 4d est fixé par une première couche adhésive 6 sur la toile 2 et par une deuxième couche adhésive 5 sur un des bords latéraux 20a, 20d du cadre 2. Les couches adhésives 5 présentent des dimensions identiques à celles des couches adhésives 6. Dans le mode de réalisation décrit, les couches adhésives 5 et 6 consistent en des bandes adhésives double face. Comme représenté sur les figures 3A, 3B et 4, les bandes adhésives sont dimensionnées pour s'étendre sur toute la longueur des bords latéraux du cadre 2 ainsi que sur toute la longueur des méplats. En revanche, elles présentent une largeur inférieure à celle des bords latéraux et des méplats. Comme on le verra plus loin, cette différence dimensionnelle permettra d'assurer la mise sous tension de la toile (2).As shown on the picture 2 , each flat 4a to 4d is fixed by a first adhesive layer 6 on the canvas 2 and by a second adhesive layer 5 on one of the side edges 20a, 20d of the frame 2. The adhesive layers 5 have dimensions identical to those of the adhesive layers 6. In the embodiment described, the adhesive layers 5 and 6 consist of double-sided adhesive strips. As shown on the figure 3A , 3B and 4 , the adhesive strips are dimensioned to extend over the entire length of the side edges of the frame 2 as well as over the entire length of the flats. On the other hand, they have a width less than that of the side edges and the flats. As will be seen below, this dimensional difference will ensure the tensioning of the canvas (2).

La dalle de paroi 1 selon l'invention est réalisée selon les étapes suivantes (figures 3A à 3D).The wall slab 1 according to the invention is made according to the following steps ( figures 3A to 3D ).

La première étape consiste à revêtir le bord latéral extérieur 20a à 20d de chaque profilé 2a à 2d formant le cadre 2 ainsi que l'une des surfaces de chaque méplat 4a à 4d d'une bande adhésive 5, 6 double face.The first step consists in coating the outer side edge 20a to 20d of each section 2a to 2d forming the frame 2 as well as one of the surfaces of each flat 4a to 4d with an adhesive strip 5, 6 double-sided.

Comme représenté sur les figures 3A et 4, les bandes adhésives 5 sont collées sur les bords latéraux du cadre 2 en étant positionnées en bordure des arêtes de la forme en équerre des profilés, préservant ainsi une zone longitudinale non adhésive 7 (ou zone longitudinalement dépourvue d'adhésif 7). De même, et comme représenté sur la figure 3B, les bandes adhésives 6 sont collées sur l'une des faces de chacun des méplats en étant positionnées en bordure de l'un des bords longitudinaux des méplats, préservant ainsi une zone longitudinale non adhésive 8 (ou zone longitudinale dépourvue d'adhésif 8).As shown on the figure 3A and 4 , the adhesive strips 5 are glued to the side edges of the frame 2 while being positioned at the edge of the edges of the angled shape of the sections, thus preserving a non-adhesive longitudinal zone 7 (or zone longitudinally devoid of adhesive 7). Similarly, and as shown in the Figure 3B , the adhesive strips 6 are glued to one of the faces of each of the flats while being positioned along one of the longitudinal edges of the flats, thus preserving a non-adhesive longitudinal zone 8 (or longitudinal zone devoid of adhesive 8).

Une fois les couches d'adhésif 5, 6 appliquées sur les bords latéraux 20a à 20d du cadre 2 et les méplats 4a à 4b, on positionne le cadre 2 sur la face arrière 31 de la toile 3, la zone non adhésive 7 du cadre 2 étant disposée du côté de la toile 2 (figure 3A).Once the layers of adhesive 5, 6 have been applied to the side edges 20a to 20d of the frame 2 and the flats 4a to 4b, the frame 2 is positioned on the rear face 31 of the canvas 3, the non-adhesive zone 7 of the frame 2 being arranged on the side of the fabric 2 ( Figure 3A ).

Vient ensuite l'étape de pose des méplats de renfort 4a à 4d sur la toile 3. Pour ce faire, chaque méplat de renfort 4a à 4d est placé sur la toile 3 en positionnant d'un part le bord longitudinal situé du côté de la zone non adhérente 8 de chaque méplat de manière jointive avec le bord latéral du profilé correspondant et d'autre part la face de chaque méplat 4a à 4d portant une bande adhésive double 6 côté toile 3 comme illustré sur la figure 3B. Préalablement au positionnement des méplats sur la toile 3, il aura été pris soin d'enlever la protection recouvrant l'adhésif de la bande adhésive double face. Ainsi, le bord longitudinal de chaque méplat bordant la zone longitudinale non adhérente du méplat est en contact avec la zone longitudinale non adhérente du bord latéral associé du cadre 2.Then comes the step of laying the reinforcing flats 4a to 4d on the fabric 3. To do this, each reinforcing flat 4a to 4d is placed on the fabric 3 by positioning on the one hand the longitudinal edge located on the side of the non-adherent zone 8 of each flat adjacent to the side edge of the corresponding profile and on the other hand the face of each flat 4a to 4d bearing a double adhesive strip 6 on the fabric side 3 as illustrated in the Figure 3B . Prior to the positioning of the flats on the canvas 3, care will have been taken to remove the protection covering the adhesive of the double-sided adhesive tape. Thus, the longitudinal edge of each flat bordering the non-adherent longitudinal zone of the flat is in contact with the non-adherent longitudinal zone of the associated lateral edge of frame 2.

Une fois les quatre méplats de renfort 4a à 4d fixés sur la toile 2, cette dernière est ensuite découpée le long d'une ligne de découpe 9 délimitée par chacun des méplats 4a à 4d et le cadre 2 afin de retirer la partie excédentaire de la toile, ie. la partie de la toile 3 s'étendant au-delà du cadre 2 et non renforcée par un méplat, et ainsi de former des volets (ou portions) de toile renforcés 3a à 3d.Once the four reinforcing flats 4a to 4d have been fixed to the canvas 2, the latter is then cut along a cutting line 9 delimited by each of the flats 4a to 4d and the frame 2 in order to remove the excess part of the canvas, ie. the part of the fabric 3 extending beyond the frame 2 and not reinforced by a flat, and thus to form flaps (or portions) of reinforced fabric 3a to 3d.

Chacune volet de toile renforcé 3a à 3d est ensuite replié sur le bord latéral 20a à 20d associé du cadre 2, la feuille de protection de la bande adhésive double face ayant été au préalable retirée. Lors de cette opération, chaque méplat de renfort 4a à 4d va basculer autour de la ligne de jonction XX entre le bord longitudinal du méplat et la zone longitudinale non adhérente du bord latéral associé du cadre, entrainant ainsi la mise sous tension de la toile 3 sur le cadre 2. Il est entendu que l'opération de fixation des méplats de renfort lors du rabattement des volets de toile renforcés ne se limite par à la technique du collage, tout autre moyen et technique appropriés connus de l'homme du métier pouvant être mis en œuvre sans sortir du cadre de l'invention. En particulier, il peut être prévu une fixation des méplats de renfort sur le cadre par vissage, clouage ou spittage.Each reinforced canvas flap 3a to 3d is then folded over the associated side edge 20a to 20d of the frame 2, the protective sheet of the double-sided adhesive tape having been removed beforehand. During this operation, each reinforcing flat 4a to 4d will tilt around the junction line XX between the longitudinal edge of the flat and the non-adhesive longitudinal zone of the associated side edge of the frame, thus causing the tensioning of the fabric 3 on the frame 2. It is understood that the operation of fixing the reinforcing flats when folding down the reinforced canvas flaps is not limited to the technique of gluing, any other appropriate means and technique known to those skilled in the art being able be implemented without departing from the scope of the invention. In particular, provision may be made for fixing the reinforcing flats to the frame by screwing, nailing or spitting.

Afin d'assurer une planéité satisfaisante de la surface de la toile 3 recouvrant le cadre 2, le deuxième volet renforcé a être fixé sur le cadre 2 sera le volet de toile opposé au premier volet de toile renforcé fixé. Ainsi, si le premier volet renforcé est le volet 3b comme illustré sur la figure 3D, le deuxième volet à être fixé sur le cadre 2 sera le volet associé au profilé 2a (non représenté), le troisième volet étant l'un des deux volets restant (volets 3c ou le volet correspondant au profilé 2d).In order to ensure satisfactory flatness of the surface of the canvas 3 covering the frame 2, the second reinforced flap to be fixed to the frame 2 will be the canvas flap opposite the first reinforced flap of the fixed canvas. Thus, if the first reinforced flap is flap 3b as illustrated in the 3d figure , the second shutter to be fixed on the frame 2 will be the shutter associated with section 2a (not shown), the third flap being one of the two remaining flaps (flaps 3c or the flap corresponding to profile 2d).

Une fois les quatre volets renforcés 3a à 3d fixés sur les bords latéraux 20a à 20d du cadre, la toile 3 étant alors tendue sur le cadre 2, il est procédé au chauffage de cette dernière afin d'enlever toutes déformations éventuelles produites au cours de la réalisation de la dalle de paroi et susceptibles de générer des marques visibles à l'œil nu sur la dalle de paroi. Le chauffage est réalisé par la face arrière 31 ou la face avant 30 de la toile 3 selon que la face réfléchissante de la toile est recouverte d'un film de protection (chauffage étant alors effectué par l'arrière) ou non (chauffage pouvant être effectué alors par l'avant de la toile). Il est à noter que dans le cas où la toile comporte un film de protection recouvrant sa face réfléchissant, il convient de retirer ce dernier une fois l'étape de chauffage achevée.Once the four reinforced flaps 3a to 3d have been fixed to the side edges 20a to 20d of the frame, the fabric 3 then being stretched over the frame 2, the latter is heated in order to remove any possible deformations produced during the construction of the wall slab and likely to generate marks visible to the naked eye on the wall slab. The heating is carried out by the rear face 31 or the front face 30 of the canvas 3 depending on whether the reflecting face of the canvas is covered with a protective film (heating then being carried out from the rear) or not (heating which can be then carried out from the front of the canvas). It should be noted that in the case where the canvas has a protective film covering its reflective face, it should be removed once the heating step has been completed.

Dans l'exemple illustré, lequel est un mode de réalisation préféré, les couches adhésives se présentent sous la forme de bandes adhésives double face. Il est bien entendu évident que la couche adhésive pourra prendre une autre forme que celle d'une bande adhésive double face, comme par exemple une couche adhésive directement active, ie. sans couche de protection. Dans ce cas là, on comprendra que l'application de la couche adhésive devra se faire à des moments bien précis lors de la réalisation de la dalle de paroi. En particulier, l'application de la couche adhésive sur chaque méplat sera appliquée avant leur pose respective sur la toile tandis que celle appliquée sur les bords latéraux du cadre sera réalisée après la pose du cadre de la face arrière de la toile, précédent ou suivant l'étape de pose des méplats sur la toile. Par ailleurs, dans le mode de réalisation décrit, l'adhésif est appliqué sous la forme de bandes. Il peut être cependant également appliqué sous la forme de bandes discontinues.In the illustrated example, which is a preferred embodiment, the adhesive layers are in the form of double-sided adhesive strips. It is of course obvious that the adhesive layer could take a form other than that of a double-sided adhesive tape, such as for example a directly active adhesive layer, ie. without a protective layer. In this case, it will be understood that the application of the adhesive layer will have to be done at very specific times during the production of the wall slab. In particular, the application of the adhesive layer on each flat will be applied before their respective installation on the canvas while that applied on the side edges of the frame will be carried out after the installation of the frame on the back side of the canvas, previous or next the step of placing the flats on the canvas. Furthermore, in the embodiment described, the adhesive is applied in the form of strips. It can, however, also be applied in the form of discontinuous strips.

Dans le mode de réalisation précédemment décrit, la toile est fixée sur le cadre par collage, et plus particulièrement par collage des méplats sur la toile et sur les bords latéraux du cadre. Il est entendu que l'invention ne se limite pas à ce type de moyen de fixation, ladite toile pouvant être fixée par tout autre moyen et technique appropriés connus de l'homme du métier sans sortir du cadre de l'invention, comme par exemple par rivetage des éléments entre eux (toile, méplat et cadre), par clipsage, etc..In the embodiment described above, the canvas is fixed to the frame by gluing, and more particularly by gluing the flats on the canvas and on the side edges of the frame. It is understood that the invention is not limited to this type of fixing means, said fabric being able to be fixed by any other appropriate means and technique known to those skilled in the art without departing from the scope of the invention, such as for example by riveting the elements together (canvas, flat and frame), by clipping, etc.

De même, dans l'exemple décrit précédemment, le cadre est formé de quatre profilés distincts. Il est bien entendu possible que le cadre soit constitué d'un seul élément profilé, ledit cadre étant réalisé par pliage et découpage dudit élément profilé.Similarly, in the example described above, the frame is formed of four separate sections. It is of course possible for the frame to consist of a single profiled element, said frame being produced by folding and cutting said profiled element.

De même, dans l'exemple décrit précédemment, le cadre 2 est de forme sensiblement parallélépipédique. Il est entendu que l'invention ne se limite pas à une telle forme de cadre, la dalle pouvant comprendre un cadre présentant une forme différente, comme par exemple une forme triangulaire (dans ce cas, la dalle de paroi comprendra trois méplats de renfort placés chacun entre un des bords latéraux du cadre et une portion de toile recouvrant le bord latéral en question) ou circulaire (dans ce cas, la dalle de paroi comprendra un ou plusieurs méplats de renfort s'étendant entre le pourtour du cadre et la portion de toile recouvrant le pourtour en question).Similarly, in the example described above, the frame 2 is substantially parallelepipedic in shape. It is understood that the invention is not limited to such a shape of frame, the slab possibly comprising a frame having a different shape, such as for example a triangular shape (in this case, the wall slab will comprise three reinforcing flats placed each between one of the side edges of the frame and a portion of fabric covering the side edge in question) or circular (in this case, the wall slab will include one or more reinforcing flats extending between the perimeter of the frame and the portion of fabric covering the circumference in question).

De même, dans l'exemple décrit précédemment, les volets de toile renforcés sont fixés plaqués contre les bords latéraux du cadre. Selon une variante de réalisation, il est prévu de rabattre partiellement les volets de toile sur les bords latéraux du cadre, les volets renforcés présentant ainsi une position inclinée par rapport aux bords latéraux dudit cadre. Cette configuration a pour avantage d'offrir une mise sous tension de la toile plus importante sur le cadre permettant encore une meilleure tension.Similarly, in the example described above, the reinforced canvas flaps are fixed flat against the side edges of the frame. According to a variant embodiment, provision is made to partially fold the canvas flaps over the side edges of the frame, the reinforced flaps thus having an inclined position with respect to the side edges of said frame. This configuration has the advantage of offering greater tensioning of the canvas on the frame, allowing even better tension.

L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser différentes variantes de réalisation de l'invention sans pour autant sortir du cadre des revendications jointes.The invention is described in the foregoing by way of example. It is understood that a person skilled in the art is able to produce different variant embodiments of the invention without departing from the scope of the appended claims.

Claims (10)

  1. Wall tile (1) comprising a frame (2) having at least one side edge (20a to 20d) and a cloth (3) fixed under tension to said at least one side edge of the frame so as to cover one face of said frame, said cloth having a reflective front face and a rear face (31), wherein the wall tile (1) further comprises at least one tension-reinforcing flat (4a to 4d) fixed to said at least one side edge of the frame, said at least one flat being positioned between the rear face (31) of said cloth (3) and said at least one side edge (20a to 20d) of said frame (2), at the edge of the ridge delimiting the said at least one side edge (20a to 20d) of the frame (2) and the face of the frame covered by the cloth, the said at least one flat having a longitudinal edge bordering the said ridge in which the said at least one reinforcing flat (4a to 4d) is fixed to the cloth (3), except for a longitudinal zone (8) bordering the longitudinal edge of the flat, wherein fixing of the said flat to the cloth is carried out by means of a first adhesive layer (6).
  2. Wall tile (1) according to claim 1, characterised in that said at least one reinforcing flat (4a to 4d) has a thickness greater than 0.5 millimetres.
  3. Wall tile (1) according to claim 1 or claim 2, characterised in that said at least one reinforcing flat (4a to 4d) is fixed to said at least one side edge (20a to 20d) of the frame (2) by means of a second adhesive layer (5) and to the cloth (3) by means of the first adhesive layer (6), wherein the first and second adhesive layers (6, 5) are located at a given height of the cloth.
  4. Method of producing a wall tile (1) comprising a frame (2) having at least one side edge (20a to 20d) and a cloth (3) having a reflective front face (30) and a rear face (31), wherein the method comprises the steps of:
    - reinforcing a portion of cloth at least by means of at least one tension-reinforcing flat (4a to 4d), said at least one reinforcing flat being arranged on the rear face (31) of the cloth (3) so as to present a longitudinal edge adjoining said at least one side edge (20a to 20d) of the frame (2) when the frame (2) is positioned on the cloth (3), and subsequently
    - folding and securing the reinforced cloth portion (3a to 3d) to said at least one side edge (20a to 20d) of the frame (2),
    - fixing the said reinforcing flat (4a to 4d) to the rear face (31) of the cloth (3) by means of a first adhesive layer (6) applied to one face of the flat, leaving a longitudinal zone (8) bordering the longitudinal edge of the flat free of adhesive.
  5. Method of producing a wall tile (1) according to claim 4, characterised in that the reflective front side is coated with a protective film.
  6. Method of producing a wall tile (1) according to claim 5, characterised in that the protective film is peelable.
  7. Method of producing a wall tile (1) according to any one of claims 4 to 6, characterised in that said at least one reinforcing flat (4a to 4d) is fixed to said at least one side edge of the frame (2) by means of a second adhesive layer (5) applied to said at least one side edge (20a to 20d) of the frame so as to reserve a longitudinal zone free of adhesive (7).
  8. Method of producing a wall tile (1) according to claim 7, characterised in that said at least one flat is placed on the cloth (3) so that the longitudinal edge of said at least one flat bordering the adhesive-free longitudinal area (8) is in contact with the adhesive-free longitudinal area (7) of said at least one side edge of the frame (2).
  9. Method of producing a wall tile (1) according to any one of claims 4 to 8, characterised in that the cloth (3) is cut along a cutting line (9) delimited by said at least one reinforcing flat (4a to 4d) and the frame (2).
  10. Method of producing a wall tile (1) according to any one of claims 4 to 9, characterised in that it comprises a step of heating the cloth (3) once the latter has been stretched over the frame (2).
EP13779304.8A 2012-09-28 2013-09-25 Mirror wall tile and method for manufacturing such a tile Active EP2900884B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1259232A FR2996239B1 (en) 2012-09-28 2012-09-28 MIRROR-FORMED WALL SLAB AND METHOD OF MAKING SAME
PCT/FR2013/052259 WO2014049270A1 (en) 2012-09-28 2013-09-25 Mirror wall tile and method for manufacturing such a tile

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EP2900884A1 EP2900884A1 (en) 2015-08-05
EP2900884B1 true EP2900884B1 (en) 2022-11-23

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EP (1) EP2900884B1 (en)
ES (1) ES2934086T3 (en)
FR (1) FR2996239B1 (en)
HK (1) HK1212407A1 (en)
WO (1) WO2014049270A1 (en)

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Publication number Priority date Publication date Assignee Title
FR3077082B1 (en) * 2018-01-25 2020-09-11 Normalu IMPROVED FRAME PROFILE FOR THE REALIZATION OF A FALSE WALL WITH STRETCHED CANVAS WITHOUT ANY HANGING MEANS

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US6164364A (en) * 1999-06-02 2000-12-26 Morris; Milton A. Track assembly for supporting fabrics
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US20050150616A1 (en) * 2003-12-18 2005-07-14 Mcconnell Anthony Covered pad for wall panel and manufacturing process
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EP2146339A2 (en) * 2008-07-17 2010-01-20 South Bank University Enterprises Limited Sound absorbing device
US20100011641A1 (en) * 2006-08-21 2010-01-21 Contra Vision Limited Structural assembly with a flexed, tied panel

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CN1217073C (en) * 2000-11-06 2005-08-31 英特诺瓦国际创新有限公司 Method for producing panel substantially stretched on frame and resulting panel
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KR20100032601A (en) * 2008-09-18 2010-03-26 주식회사 코시스홀딩스 Mirror sheet for inner finishing of construction stucture

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Publication number Priority date Publication date Assignee Title
GB1067530A (en) * 1965-12-10 1967-05-03 Ernst Oscar Vilhelm Ekman Improvements in or relating to devices for fixing thin sheets below ceilings
US6164364A (en) * 1999-06-02 2000-12-26 Morris; Milton A. Track assembly for supporting fabrics
JP2001323594A (en) * 2000-05-18 2001-11-22 Misawa Homes Co Ltd Membrane ceiling and construction method thereof
US20050150616A1 (en) * 2003-12-18 2005-07-14 Mcconnell Anthony Covered pad for wall panel and manufacturing process
US20100011641A1 (en) * 2006-08-21 2010-01-21 Contra Vision Limited Structural assembly with a flexed, tied panel
EP2047776A1 (en) * 2007-10-09 2009-04-15 Normalu Device and method implementing same for tightening a piece of fabric over a raised element
EP2146339A2 (en) * 2008-07-17 2010-01-20 South Bank University Enterprises Limited Sound absorbing device

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ES2934086T3 (en) 2023-02-16
FR2996239B1 (en) 2015-03-13
EP2900884A1 (en) 2015-08-05
HK1212407A1 (en) 2016-06-10
FR2996239A1 (en) 2014-04-04
WO2014049270A1 (en) 2014-04-03

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