Mounting profile for a false ceiling or false wall canvas and false wall comprising such a profile

Abstract

Profile (1) for mounting a canvas, for the production of a false wall such as a false ceiling or false wall, the profile comprising a wing (7) for fixing to a wall (P), the profile comprising two wings (9, 10) forming a clamp for a canvas edge (3), the profile comprising an internal space (2) capable of receiving the canvas edge, a passage (12) opening into this internal space and onto an opening (11) of the profile, the passage being delimited by the two wings forming the clamp, one of the two wings (9) being elastically deformable, the other wing (10) forming the clamp is substantially non-deformable, the profile comprising a support section (13) defining a support plane (14), the elastically deformable wing extending before mounting the canvas along a plane substantially parallel to the support plane and at a short distance from this plane, the deformation of the elastically deformable wing,when inserting the canvas edge into the passage and opening the clamp, taking place in the space limited by the support plane. Figure for the abstract: figure 1,

Description

Title of the invention: Profile for mounting a false ceiling or false wall canvas and false wall comprising such a profile

[0001] The invention relates to the technical field of false ceilings and stretched false walls.

[0002] False ceilings and stretched false walls have been known for a long time. Reference may be made, for example, to documents CA835014 (Barracudaverken, 1970), FR2078579 (Blick, 1971).

[0003] False ceilings and stretched false walls are formed by mounting at least one canvas on a frame.

[0004] The frame can be fixed directly to the walls of a room, for example by screwing. The canvas can then be large in area, and be formed by assembling strips.

[0005] False walls and false ceilings are also known comprising slabs or boxes, comprising at least one canvas mounted on a frame of rails.

[0006] When the false ceiling or false wall is in the form of slabs, the frame can be contained or bagged in an envelope formed by the canvas.

[0007] Slabs formed from canvases attached to a frame are also known, see for example FR1319171 (Isora, 1963), US3460299 (Wilson).

[0008] The vast majority of stretched false ceilings are mounted with their canvas stretched horizontally in its entirety. In certain embodiments, the canvas being stretched on a horizontal frame, deformations of the stretched sheet are applied, as described in documents FR1515260 (Saulnier, 1968) or EP281468 (Scherrer, 1988).

[0009] The canvases of false ceilings or stretched false walls are most often made of deformable flexible polymer, in particular polyvinyl chloride. By deformable, we mean here the possibility of stretching these canvases, by manual effort. This type of false ceiling or false wall is conventionally mounted hot, using a hot air gun, the shrinkage of the canvas during its cooling ensuring its tensioning.

[0010] Stretched false ceilings and stretched false walls are also known, comprising a slightly deformable canvas, in particular made of fabric, for example polyester, or fabric coated for example by calendering. This type of false ceiling or false wall is conventionally mounted at room temperature. The invention finds advantageous application for this type of stretched false ceiling or stretched false wall.

[0011] The means of mounting the edges of canvases on a stringer frame are very varied.

[0012] In a first family of means for mounting the edges of the canvas on the frame of smooth, the edge of the canvas includes a strip of added material, with a hook-shaped section.

[0013] In this first family and according to a first type of embodiment, the rail has a U-shaped groove and one of the two walls of the U-shaped groove of the rail has a lip facing the bottom of the groove, the hook-shaped fabric edge being positively anchored on this lip. Reference may be made, for example, to document FR1303930 (Barracudaverken, 1962).

[0014] In this first family and according to a second type of embodiment, the rail comprises a U-shaped groove and one of the two walls of the groove of the rail comprises a shoulder, the part of which located towards the bottom of the groove forms a support for the edge of the hook-shaped canvas. Reference may be made, for example, to documents FR1475446 (Licentia, 1967), FR2002261 (Barracudaverken, 1969), FR2843141 (Mphi, 2004).

[0015] In this first family and according to a third type of embodiment, the rail has a U-shaped groove and each of the two walls of the groove of the rail has a shoulder, the edge of the canvas being in the form of a double hook. Reference may be made, for example, to document FR2486127 (Allemann, 1982).

[0016] In this first family and according to a fourth type of embodiment, the rail comprises a rigid lip on which the edge of the canvas is attached. Reference may be made, for example, to document FR2786515 (Newmat, 2000).

[0017] This first family of mounting means is very widely used, but has some drawbacks. In particular, it is necessary to fix a strip of material having a hook-shaped section around the edge of the canvas. This operation is long and meticulous.

[0018] In a second family of means for mounting the edges of canvas in the frame of rails, the edge of the canvas is provided with a rod, generally of round section, which is housed with friction in a groove of the rail. Reference may be made, for example, to document FR1588150 (Pecault, 1970).

[0019] This second family of mounting means has drawbacks similar to those of the first family.

[0020] In a third family of means for mounting the edges of canvas or fabric on a stringer frame, a tensioning cover is attached or articulated to the stringer profile. Reference may be made, for example, to documents DE2217116 (Loeoef, 1972), FR 2157090 (Archambault, 1973), EP198834 (Sérac, 1986).

[0021] The use of a tensioning hood has the disadvantage of requiring the manufacture and cutting of an additional part. When the tensioning hood is hinged to the rail profile, the edge of the canvas is often fixed to the tensioning hood by gluing or stapling. The dismantling of the canvas cannot be ensured without damaging the canvas.

[0022] In a fourth family of means for mounting the edges of the canvas on the stringer frame, the canvas is pinched. These mounting means allow the installation of a stretched canvas made of fabric, for example polyurethane-coated polyester textile, the canvas being laid at room temperature, without requiring a heat source.

[0023] In this fourth family and according to a first type of embodiment, the canvas is pinched by the rail against a wall such as a wall. Reference may be made, for example, to documents FR2675180 (Isaia, 1992), FR2715682 (Hosteing, 1995), FR2734296 (Ringaud, 1996).

[0024] Pinching the canvas against a wall, for example a wall, has many disadvantages. Firstly, the pinching proves insufficient to keep the canvas under tension for a long time. Secondly, dismantling the canvas is difficult. Furthermore, the wall against which the canvas is pinched, for example a wall, may have irregularities, so that the canvas is not held constantly over the entire length of the rail fixed to the wall.

[0025] In this fourth family and according to a second type of embodiment, the rail is provided with means forming a clamp for installation and tension.

[0026] The pinching can be obtained by a profile snapped onto another profile. The use of a snapped profile has the disadvantage of requiring the manufacture and cutting of two pieces to form the rail.

[0027] The pinching can be obtained by a rail profile comprising an articulated wing, as illustrated for example in documents DE2207954 (Filzfabrik, 1973), US4676016 (Philips, 1987), US4805330 (Bubernak, 1989), US4817699 (Fein, 1989). The installation of an articulation zone weakens the rail, with risks of breakage during installation, or of breakage by fatigue, when several assemblies and disassemblies of the fabric have been carried out, for example for interventions in the plenum.

[0028] The pinching can be obtained by a stringer profile comprising an elastic wing, with insertion of the fabric using a tool such as a spatula, as illustrated for example in documents FR2642779 (Mecanobloc, 1990), FR2649433 (Aviloff, 1991), FR2823779 (Intemova, 2002), FR2829781 (Cantiello, 2003), FR2900171 and FR 2900172 (Gagliardi, 2007), FR2952088 (Normalu, 2011), FR3064015 (Clipso, 2018), FR3071524 (Normalu, 2019), DE102017107780 (Streckfuss, 2018), US4197686 (Baslow, 1980), US4625490 (Baslow, 1986), US5214892 (Livingstone, 1993), US5953873 (Novawall, 1999), US5970669 (Livingstone, 1999), US6499262 (Novak, 2002), US7146691 (Owens Corning, 2006), US2015361662 (Novawall, 2015), US2023212862 (Fabri Trak, 2023).

[0029] Document FR2699211 (Swal, 1994) describes a profile nailed or stapled to a fixing wall such as a wall, the profile being made of PVC and being provided with a clamp for installing and tensioning a fabric covering. The clamp comprises a movable jaw formed by an elastically deformable wing and a fixed jaw, the two jaws being provided with teeth and delimiting a space internal to the profile. A protuberance moves the fixed jaw away of the fixing wall. The fabric covering is inserted into the clamp, between the teeth of the fixed and movable jaws, using a spatula, forming a loop in the space inside the profile. The edge of the fabric covering protruding from the clamp is folded back and wedged between the protrusion and the fixing wall of the profile.

[0030] The attachment described in document FR2699211 has several drawbacks. Inserting the edge of the covering between the protrusion and the fixing wall is laborious. After this insertion, the edge of the covering remains visible as well as the area of ​​insertion of this covering in the clamp. Cutting the edge of the covering protruding from the clamp could limit these drawbacks, but at the expense of the ease of disassembly and reassembly of the covering, for example for intervention in the plenum. The tightening of the covering in the clamp is ensured by the double thickness of fabric formed by the loop of the covering, the teeth of each jaw only ensuring insufficient retention of the covering, by friction.

[0031] The prior art rails provided with clamping means for laying and tensioning for mounting stretched canvas have numerous drawbacks. The tension exerted on the canvas during installation frequently causes the rails to deform, so that the canvas cannot be perfectly tensioned. The clamping means exert insufficient clamping of the canvas edge, with the resulting risk of the canvas becoming detached.

[0032] The invention aims in particular to overcome the drawbacks of the canvas mounting rails of the prior art, for the formation of false walls such as false ceilings and false walls.

[0033] For these purposes, the invention relates, according to a first aspect, to a profile for mounting a canvas, for the production of a false wall such as a false ceiling or false wall, the profile comprising a wing for fixing to a wall, the profile comprising two wings forming a clamp for a canvas edge, the profile comprising an internal space capable of receiving the canvas edge, a passage opening into this internal space and onto an opening of the profile, the passage being delimited by the two wings forming the clamp, one of the two wings being elastically deformable, the other wing forming the clamp being substantially non-deformable, the profile comprising a support section defining a support plane, the elastically deformable wing extending before mounting the canvas along a plane substantially parallel to the support plane and at a short distance from this plane, the deformation of the elastically deformable wing,when inserting the canvas edge into the passage and opening the clamp, taking place in the space limited by the support plane.

[0034] Advantageously, the support section is defined by the fixing wing.

[0035] In certain particular implementations, the fixing wing extends substantially parallel to the elastically deformable wing.

[0036] In other implementations, the fixing wing extends substantially perpendicular to the deformable wing and comprises an end portion forming the support section.

[0037] Advantageously, the profile comprises at least one internal panel forming a box, this internal panel being connected to the substantially non-deformable wing. These arrangements increase the mechanical resistance of the profile.

[0038] Advantageously, the substantially non-deformable wing comprises an end portion extending below the end portion of the elastically deformable wing. By these arrangements, the profile can be hidden from the view of an observer, after mounting the canvas.

[0039] Advantageously, the end part of the elastically deformable wing comprises an inclined plane, for guiding a tool for inserting the canvas into the opening of the clamp. This tool is for example a spatula.

[0040] In certain implementations, the two wings forming a clamping clamp each comprise teeth, in the passage leading to the internal space of the profile, each tooth of a toothing of a first wing coming opposite a hollow of the toothing of the other wing.

[0041] In particular implementations, the substantially non-deformable wing forms a fixed jaw for the clamping pliers and comprises an internal wall, inclined relative to the fixing wing, a support wall for the canvas, and an end wall delimiting the passage towards the internal space of the profile.

[0042] The profile is advantageously made of a material chosen from the group comprising polyvinyl chloride, polypropylene, polyethylene.

[0043] Advantageously, the profile is made of acrylonitrile butadiene styrene (ABS).

[0044] According to a second aspect, there is proposed a false ceiling or false wall comprising at least one canvas, one edge of which is mounted in a profile such as has just been proposed, the edge of the canvas being held tight in the clamp formed by the profile.

[0045] Advantageously, the canvas is made of a material chosen from the group comprising polyesters, coated polyesters (for example coated with polyurethane), impregnated polyesters (for example impregnated with polyvinyl chloride), thermoplastic fluoropolymers such as ethylene tetrafluoroethylene (ETFE), fabrics, in particular cotton fabric, linen fabric.

[0046] Other objects and advantages of the invention will appear in the light of the description of embodiments, given below with reference to the appended drawings in which:

[0047] [Fig. 1] is a cross-sectional view of a rail profile fixed to a wall such as a wall or a ceiling, according to a first embodiment, a stretched canvas being fixed to the rail;

[0048] [Fig.2] is a cross-sectional view of a rail profile fixed to a wall such as a wall or a ceiling, according to a second embodiment, a stretched canvas being fixed to the rail;

[0049] [Fig.3] is a cross-sectional view of a rail profile fixed to a wall such as a wall or a ceiling, according to a third embodiment, a stretched canvas being fixed to the rail;

[0050] [Fig.4] is a cross-sectional view of a rail profile fixed to a wall such as a wall or a ceiling, two stretched canvases being fixed to the rail.

[0051] In the following text, the expression and / or designates three possibilities, namely the alternative (or) and the combination (and).

[0052] In the description of the different embodiments, identical reference numbers are used to designate similar elements.

[0053] The attached figures show profiled elements 1, seen in section. For the sake of simplification, in the remainder of this description, the profiled elements 1 of the rail are referred to as profiles 1.

[0054] To facilitate reading, we define in figures an orthogonal XYZ reference frame comprising three axes perpendicular two by two, namely: an X axis, defining a horizontal direction, a Y axis, defining a vertical direction, which with the X axis defines a vertical XY plane, and a Z axis, perpendicular to the XY plane.

[0055] In the remainder of this description, the terms “horizontal”, “vertical”, “top”, “bottom”, “high”, “low”, “upper”, “lower”, “upper”, “lower” are used with reference to this XYZ reference frame, without this implying any limitation in the orientation that the profile 1 can take during its use.

[0056] Thus, for example, the profile 1 shown in the figures can be used for the production of false ceilings, and carry a canvas (figures 1 to 3) or two canvases ([Fig.4]) stretched substantially horizontally.

[0057] In other implementations, the profile 1 can be used for the construction of false walls, and carry one or two stretched canvases, extending substantially vertically.

[0058] The profile 1 can also be used for the construction of false walls, and carry one or two canvases extending along a plane forming any angle with the vertical.

[0059] In the remainder of this description, only a portion of the edge of each canvas is shown mounted on a profile 1.

[0060] It is understood that the profile 1 can be used for the production of a slab or box frame, the slab or box being for example mounted suspended from a ceiling. In other implementations, the profile 1 can be fixed to a civil engineering wall, such as a wall, a ceiling, or a partition.

[0061] In the figures, the profile 1 is shown in section.

[0062] It is understood that the profile 1 can be produced in the form of a slender rectilinear section extending in the Z direction, perpendicular to the XY plane of the figures, the profile thus being represented in cross-section. The profile 1 allows the production of square or polygonal slabs, or can be fixed to the walls of a room.

[0063] In other implementations, the profile 1 is curved, allowing the production of contour slabs comprising at least one curved section, for example a circular or oval contour, these slabs being for example suspended.

[0064] The profile 1 may be made of rigid polymer material, in particular polyvinyl chloride, polypropylene, or polyethylene, or ABS (acrylonitrile butadiene styrene). By rigid, we mean here the fact that the profile cannot be stretched or plastically deformed by manual force.

[0065] In other implementations, the profile 1 is made of composite material, in particular with a polymer matrix reinforced with fibers, advantageously short fibers, for example fibers from a few hundred microns to 5 mm in length.

[0066] In particular implementations, the profile 1 is made of polymer material with glass fiber or plant fiber reinforcement, such as for example flax fiber. This arrangement makes it possible to achieve high mechanical resistance per linear meter of profile.

[0067] The profile 1 can be made of metallic material, in particular aluminum alloy.

[0068] Advantageously, the profile 1 carries a coating, for example obtained by lacquering, thermo-lacquering, or painting.

[0069] This coating provides protection against corrosion and makes cleaning easier.

[0070] The profile 1 can be cut, by means known per se, to the length desired, and the profile sections can be assembled together, in particular using fishplates and brackets.

[0071] The profile 1 is advantageously produced by extrusion, co-extrusion or pultrusion.

[0072] The profile 1 is in the form of a hollow body, the profile 1 comprising a internal space 2 capable of containing the border 3 of a stretched canvas 4.

[0073] Advantageously, the profile 1 comprises at least one second internal space 5, 6, the profile 1 forming a box. These arrangements make it possible to obtain a profile 1 of great rigidity, and of moderate weight.

[0074] These arrangements may also allow, where appropriate, the passage of wired elements, for example for low current.

[0075] In other embodiments, the profile is devoid of internal spaces forming a box. This arrangement may be advantageous when the material used for the manufacture of the profile has good properties in terms of carbon footprint (or life cycle analysis LCA), but does not have good me- canic.

[0076] In the embodiments shown, the sheets or canvases 4 are shown in the form of solid strips of small, substantially constant thickness.

[0077] It is understood that each canvas or sheet 4 may be solid or not, for example provided with perforations, or microperforations.

[0078] The microperforations can provide acoustic attenuation, as described in document WO01 / 71116 (Newmat). Alternatively, the sheet or canvas can be provided with opening perforations visible to the naked eye.

[0079] In certain implementations, the canvases or sheets 4 are made of deformable material, such as polyvinyl chloride, for example translucent, matt, lacquered or satin.

[0080] In advantageous implementations, the fabrics or sheets 4 are made of polyester, coated polyester (for example coated with polyurethane), impregnated polyester (for example impregnated with polyvinyl chloride), or thermoplastic fluoropolymer such as ethylene tetrafluoroethylene (ETFE).

[0081] In other implementations, the canvases or tablecloths 4 are made of fabric, in particular cotton fabric, linen fabric.

[0082] In certain embodiments, a slab is formed, this slab comprising a frame obtained by assembling sections of profile 1, a sheet 4 being mounted on the frame. The slab advantageously comprises an insulating block.

[0083] By "insulation block" is meant here in particular a plate or sheet of material having sound insulation or thermal insulation properties, these properties being combined where appropriate. The insulation block comprises for example glass wool, rock wool, a polyurethane (in particular foam). Advantageously, the insulation block comprises a bio-sourced material such as wood wool, cellulose wadding.

[0084] The profile 1 comprises a fixing wing 7, allowing the mounting of the profile 1 on a wall P, such as a wall, a ceiling or a partition.

[0085] The mounting of the profile 1 on the wall P can be obtained by gluing, or by nailing, screwing, doweling, stapling. In the embodiments shown in the figures, the profiles 1 are fixed by stapling, a staple 8 being shown diagrammatically passing through the fixing wing 7.

[0086] The means of fixing the profile 1 to the wall P is advantageously chosen according to the material forming the wall P, for example stapling on a wall P made of wood or plaster, screwing or riveting on a metal wall P, screwing with a dowel on a wall P made of concrete.

[0087] The profile 1 comprises a deformable wing 9. By deformable is meant here the fact that the wing 9 is elastically deformed during the insertion of the lateral edge 3 of the fabric 4 into the internal space 2 of the profile 1, this insertion being advantageously performed using a tool such as a spatula.

[0088] The mounting spatula comprises, for example, a metal blade, in particular made of stainless steel, carried by a gripping part, for example made of wood or polymer material. In other implementations, the mounting spatula is a single-piece part made of polymer material, produced by injection.

[0089] When the profile 1 is mounted on the wall P, the deformable wing 9 is placed at a distance from the wall P. For information purposes, this distance between the deformable wing 9 and the wall P is of the order of a few tenths of a millimeter to a few millimeters, for example between 0.5 and 2.0 mm. This distance allows the wing 9 to deform elastically, by approaching the wall P, when the assembly formed by the lateral edge 3 of the canvas 4 and a tool such as a spatula is inserted between the deformable wing 9 and a fixed wing 10 of the profile 1.

[0090] By fixed, we mean here the fact that the wing 10 of the profile 1 is not substantially deformed during the introduction of the lateral edge 3 of the canvas 4 into the internal space 2 of the profile 1.

[0091] The profile 1 thus comprises a part forming a clamp for the lateral edge 3 of the canvas 4, this part forming a clamp comprising an elastically deformable wing 9 and a fixed wing 10. In the remainder of this description, for the sake of simplification, the fixed wing 10 will also be called a fixed jaw, the elastically deformable wing 9 being called a movable jaw.

[0092] In certain implementations, the fixed wing 10 has a thickness greater than the deformable wing 9.

[0093] Alternatively or in combination, the fixed wing 10 is made of a different material and of higher stiffness than the material forming the deformable wing 9, the profile 1 being for example produced by co-extrusion.

[0094] Alternatively or in combination, the fixed wing 10 is connected to the rest of the profile by one or more walls forming buttresses.

[0095] The deformable wing 9 and the fixed wing 10 delimit an opening 11 for inserting the edge 3 of the canvas. This opening 11 is extended by a notched passage 12, the deformable wing 9 and / or the fixed wing 10 being advantageously provided with teeth arranged opposite each other.

[0096] The notched passage 12 opens onto the internal space 2 of the profile 1.

[0097] The profile 1 comprises a support section 13 defining a support plane 14, the elastically deformable wing 9 extending, before mounting the canvas, along a plane substantially parallel to the support plane 14 and at a short distance from this support plane 14.

[0098] The deformation of the wing 9, during the insertion of the canvas edge 3 into the passage 12 and the opening of the clamp, takes place in the space limited by the support plane 14.

[0099] We now refer more particularly to [Fig. 1], which illustrates an implementation work of a profile 1 for mounting stretched canvas 4.

[0100] In the embodiment shown in [Fig. 1], the fixing wing 7 of the profile is substantially planar, and one face of the fixing wing 7 defines the support section 13 and the support plane 14.

[0101] The deformable wing 9 extends vertically in a plane parallel to the fixing wing 7.

[0102] When the profile 1 is secured to the wall P, for example by stapling the fixing wing 7 on the wall P, the deformable wing 9 extends parallel to the wall P and is spaced from it by a small distance, for example of the order of 0.5 mm.

[0103] The deformable wing 9 is of low thickness, for example of the order of 2.5 mm. The opening 11 for inserting the edge 3 of the fabric 4 is thus placed at a very small distance from the wall P, ensuring a neat aesthetic during assembly, the fabric 4 covering the profile 1 and hiding it from view.

[0104] The profile 1 comprises several walls, the term wall being used here to designate a section, a flank of the profile, each wall forming a part of the perimeter of the profile 1 seen in section.

[0105] Starting from the fixing wing 7 and heading towards the end of the fixed wing 10, the profile 1 comprises an internal wall 15, a support wall 16 for the canvas 4, and a notched wall 17.

[0106] In the embodiment shown, the internal wall 15 forms an angle of the order of 45° with the fixing wing 7, and the support wall 16 for the canvas 4 forms an angle of the order of 45° with the internal wall 15, the notched wall 17 extending substantially perpendicular to the support wall 16.

[0107] The fixed wing 10 thus has a generally triangular shape.

[0108] Advantageously, a panel 18 connects the deformable wing 9 and the internal wall 15, this panel 18 delimiting, with the internal wall 15 and the deformable wing 9, an internal space 5. By these arrangements, the profile 1 has a locally increased stiffness, all around the internal space 6 forming a box. These arrangements also reduce the deformations of the internal wall 15, of the canvas support wall 16 and of the notched wall 17, when the canvas 4 is put under tension.

[0109] When the edge 3 of the canvas 4 is in place in the profile 1, the main part of the canvas 4 is stretched, for example horizontally or vertically, parallel to the wall P, and the canvas 4 comes into contact with the support wall 16 and the notched wall 17, before entering through the opening 11 of the profile 1 and passing between the teeth of the fixed and movable jaws. The contact between the canvas 4 and the surfaces of the fixed wing 10 of the profile 1 makes it possible to distribute the canvas tension stresses, reducing the risks of deformation of the fixed wing 10.

[0110] Advantageously, the teeth arranged on the fixed and movable jaws, in the passage notched 12, are placed such that a projection of one jaw is opposite a hollow of the other jaw. In certain implementations, before insertion of the canvas edge 3, at least one tooth of the teeth of one jaw is opposite and in contact with a hollow of the teeth of the other jaw.

[0111] Advantageously, each of the two jaws carries at least one tooth, and preferably a plurality of teeth. In certain implementations, the teeth carried by the two jaws are identical, and offset, so that a tooth of a toothing of one jaw comes into contact with a hollow of the toothing of the other jaw.

[0112] According to various implementations, the teeth are equidistant. In other implementations, in the notched passage 12, the teeth are locally closer together.

[0113] The notched passage 12 thus advantageously forms a tortuous path for the canvas edge 3, the teeth forming zigzag obstacles, the path forming a chicane.

[0114] This tortuosity in the notched passage 12, advantageously combined with the clamping of the movable jaw against the fixed jaw, by the elastic return of the deformable wing 9, ensures firm holding of the stretched canvas 4, in the profile 1.

[0115] Advantageously, the lower edge 19 of the deformable wing 9 is inclined. This arrangement ensures guidance of the insertion tool such as a spatula, for the introduction of the edge 3 into the opening 11 of the profile 1.

[0116] For information purposes, the dimensions of a profile as shown in [Fig. 1] are for example as follows: - total height, measured along the Y direction, of the order of 40 mm; - total width, measured along the X direction, of the order of 25 mm; - width between the lateral face of the deformable wing 9 and the lateral face of the wing fixing 7, of the order of 0.5 mm.

[0117] The installation of an assembly such as represented in [Fig.l] firstly comprises the fixing of the profile 1 on the wall P, for example by stapling.

[0118] After this fixing, the support section 13 formed by the wing 7 extends in a plane 14 slightly separated from the plane in which the deformable wing 9 extends, the distance between the two planes being for example of the order of 0.5 mm.

[0119] In other words, the deformable wing 9 is advantageously placed at a short distance from the wall P, for example 0.5 mm. This distance is advantageously less than the thickness of the assembly formed by the fabric 4 and the blade of a tool such as a spatula. The operator cannot therefore insert the fabric 4 between the deformable wing 9 and the wall P.

[0120] The operator brings the canvas 4, for example made of textile, into contact with the support wall 16 and the wall 17 of the profile 1, and makes the edge 3 of the canvas enter the opening 11 of the profile 1. This movement is advantageously guided by the inclined lower edge 19 of the deformable wing 9.

[0121] The operator then exerts a manual force on the tool, such as a spatula, to push the edge of the canvas 3 through the notched passage 12. During this movement, the deformable wing 9 is slightly displaced elastically until it comes into contact with the wall P, if necessary.

[0122] When the canvas 4 is in the taut position, the operator removes the tool from the notched passage 12. During this removal, the elasticity of the deformable wing 9 causes the edge of the canvas to be tightened against the fixed jaw, the teeth of the fixed and movable jaws forming a chicane, the canvas 4 being firmly held taut.

[0123] The canvas 4 hides the profile 1 from view, the profile 1 thus being able to be presented as invisible, the only part of the profile 1 remaining “visible” being the lower end of the deformable wing 9, this end being located flush with the wall P, and extending over a reduced thickness, for example 2.5 mm.

[0124] The total width of the profile 1 is advantageously reduced, allowing mounting of a stretched canvas 4 close to the wall P, for example approximately 25 mm from the wall P.

[0125] In certain implementations, thermal and / or sound insulators, for example in the form of fleece, are advantageously placed between the canvas 4 and the wall P.

[0126] We now refer to the embodiment of [Fig.2].

[0127] In the embodiment of [Fig.2], the fixing wing 7 of the profile 1 comprises two bosses 20, 21 which come to bear against the wall P when the profile 1 is fixed, for example by stapling.

[0128] Such bosses may also be present, in an alternative embodiment of the mode described with reference to [Fig.l].

[0129] The presence of these bosses 20, 21 makes it possible to reduce the deformation of the profile, in the part of the profile located below the fixing wing 7.

[0130] In the embodiment of [Fig.2], starting from the fixing wing 7 and heading towards the notched wall 17, the profile 1 comprises an internal wall comprising a first inclined section 22, a second substantially vertical section 23 and a third substantially horizontal section 24. A horizontal panel 25 connects the fixing wing 7 to the first section 22, thus delimiting an internal space 5. An inclined panel 26 connects the panel 25 to the second section 23, thus delimiting an internal space 6. The horizontal panel 25 is advantageously aligned with a boss 21 of the fixing wing 7.

[0131] Such sections 22, 23, 24 and sides 25, 26 may also be present, in an alternative embodiment of the mode described with reference to [Fig.l].

[0132] The two internal spaces 5, 6 form boxes, stiffening the profile 1.

[0133] In the embodiment of [Fig.2], the fixed wing 10 comprises a lower support section 27 for the canvas 4. This lower section 27 extends for example over a height of around 10 mm.

[0134] Such a lower section may also be present, in an alternative embodiment of the mode described with reference to [Fig.l].

[0135] This lower section 27 makes it possible to further hide the profile 1 from view, the lower end part of the deformable wing 9 being located in a space delimited by the wall P and the lower section 27, this space being advantageously unlit, of small width (a few millimeters, for example 2.7 mm), and of a height of the order of 10 mm and more.

[0136] In the embodiment shown in [Fig.2], the profile 1 comprises a support section defining a support plane, this support section being determined by the bosses 20, 21.

[0137] The elastically deformable wing 9 extends before mounting the canvas 4, along a plane substantially parallel to the support plane and at a short distance from this plane.

[0138] The deformation of the elastically deformable wing 9, during the insertion of the canvas edge 3 into the passage 12 and the opening 11 of the clamp, takes place in the space limited by the support plane. If necessary, during this deformation, the wing 9 comes into contact with the wall P.

[0139] What has been said for the means of fixing the profile 1 and the teeth of the fixed and / or mobile jaws, with reference to [Fig.l], also applies to the embodiment shown in [Fig.2].

[0140] For information purposes, the total width of a profile such as shown in [Fig.2] is for example of the order of 15.7 mm, the total height of the profile being of the order of 40 mm. The distance between the deformable wing 9 and the wall P, before mounting the fabric 4 in the profile 1, is for example of the order of 1.5 mm.

[0141] In advantageous implementations, a profile such as presented in [Fig.2] is fixed to the walls of a room to create a false fabric ceiling.

[0142] We now refer to the embodiment illustrated in [Fig.3].

[0143] In the embodiment of [Fig.3], the fixing wing 7 extends substantially horizontally, and the deformable wing 9 extends substantially perpendicular to the fixing wing 7.

[0144] This arrangement can also be implemented, in an alternative embodiment of the modes described with reference to figures 1 or 2.

[0145] The profile 1 is thus advantageously fixed to a ceiling, the deformable wing 9 being placed at a short distance from a partition or a wall M.

[0146] The profile 1 comprises a support section 28 defining a support plane, the elastically deformable wing 9 extending, before mounting the canvas 4, along a plane substantially parallel to the support plane and at a short distance from this plane.

[0147] The deformation of the elastically deformable wing 9, during the insertion of the edge of canvas 3 in the passage 12 and the opening of the clamp, is carried out in the space limited by the support plane.

[0148] If necessary, during this opening of the clamp, the elastically deformable wing 9 comes into contact with the wall M.

[0149] In the embodiment of [Fig. 3], starting from the fixing wing 7 and heading towards the notched wall 17, the profile 1 comprises an internal wall comprising a first inclined section 29, a second substantially horizontal section 30. A panel 31 connects the fixing wing 7 to the first section 29, thus delimiting an internal space 5.

[0150] The internal space 5 forms a box, stiffening the profile 1.

[0151] What has been said for the means of fixing the profile 1 and the teeth of the fixed and / or mobile jaws, with reference to [Fig.l] also applies to the embodiment shown in [Fig.3].

[0152] As an indication, the width of the space between the deformable wing 9 and the wall M, before mounting the canvas 4, is for example of the order of 1.5 mm, the width of the space delimited by the lower section 27 of the profile and the wall M being for example 2.7 mm.

[0153] The lower section 27 makes it possible to hide the profile 1 from view, the lower end part of the deformable wing 9 being located in a space delimited by the wall M and the lower section 27, this space being advantageously unlit, of small width (a few millimeters, for example 2.7 mm), and of a height of the order of 10 mm and more.

[0154] For information purposes, the total width of a profile such as shown in [Fig.3] is for example of the order of 32 mm, the total height being 25 mm. The profile is advantageously used to create a plenum of 25 mm height between a ceiling and a textile canvas 4.

[0155] We now refer to [Fig.4], which illustrates a profile allowing the edge-to-edge mounting of two canvases, to form a false wall.

[0156] The profile comprises a wing 7 for fixing to a wall. What has been said about the fixing means, with reference to [Fig.l], also applies to the embodiment of [Fig.4],

[0157] The profile comprises an opening 11 for the passage of the edge of each of the two canvases 4a, 4b. This opening opens onto a notched passage 12.

[0158] What has been said about the notched passage 12 with reference to [Fig.l] applies to the embodiment of [Fig.4].

[0159] The presence of the teeth results in the formation of a zig-zag path, the passage of the edge of the two canvases 4a, 4b taking place according to a chicane path, the teeth forming obstacles and holding zones, by pinching and tightening, the risks of exit of the edge of the canvases being reduced by the friction between the canvases and the teeth of the fixed and movable jaws.

[0160] As an indication, the width of a profile as shown in [Fig.4] is of the order of 40 mm, the height of the profile being of the order of 25 mm.

[0161] The profile shown in [Fig.4] allows the mounting of two contiguous canvases 4a, 4b, identical or not, the profile being completely hidden from view after mounting of the two canvases. No finishing cover is necessary.

[0162] In all embodiments, the profile is advantageously free of reliefs or projections on the external face, and has a surface condition with very low roughness. The risks of damage to the fabric 4 are thus limited.

[0163] The invention has numerous advantages.

[0164] The assembly of canvases can be carried out with excellent canvas tension.

[0165] The tortuosity in the notched passage, advantageously combined with the clamping of the movable jaw against the fixed jaw, ensures firm holding of the canvas in the profile.

[0166] The presence of reinforcing wall(s) forming box(es) reduces the risks of uncontrolled deformation of the profile, during the assembly of the canvas, only one wing of the profile advantageously exhibiting a slight elastic deformation during the assembly of the canvas in the profile, the elastic return of this wing increasing the pinching and the tightening of the edge of the canvas in the profile.

[0167] The profile allows the mounting of flexible, deformable or slightly deformable canvases or sheets, the canvases or sheets being for example made of polyvinyl chloride, ETFE, or fabric, for example polyester, coated polyester.

[0168] The canvas mounting means are hidden from view. When, for example, a false ceiling is mounted, an observer placed under the false ceiling only sees the stretched part of the canvas, the residual space between the canvas and the wall being very narrow.

[0169] The assembly of the canvases is easy, using a simple tool such as a spatula. The inclined lower part of the deformable wing ensures that the tool is guided towards the opening of the clamping pliers. The distance between the deformable wing and the wall P is preferably less than the thickness of the assembly formed by the canvas and the blade of a tool. The installer cannot therefore insert the canvas by mistake between the deformable wing and the wall P.

[0170] The profile is advantageously obtained by extrusion, and its weight is reduced.

[0171] The profile advantageously has a reduced height. The profile thus makes it possible to create false walls placed as close as possible to a civil engineering structure, such as a wall, a partition or a ceiling.

[0172] It is not necessary to provide a bead (for example made of silicone) or a harpoon (for example made of polyurethane) added (for example by sewing or welding) to the edge of the canvas.

[0173] The profiles can be used for the creation of false walls with improved acoustic properties and / or for the creation of illuminated ceilings, for example luminous tiles.

[0174] The profiles can be assembled so as to form slabs, for example with a square, rectangular or polygonal outline.

Claims

Claims

1. Profile (1) for mounting a canvas, for the production of a false wall such as a false ceiling or false wall, the profile (1) comprising a wing (7) for fixing to a wall (P), the profile (1) comprising two wings (9, 10) forming a clamp for a canvas edge (3), the profile (1) comprising an internal space (2) capable of receiving the canvas edge (3), a passage (12) opening into this internal space (2) and onto an opening (11) of the profile, the passage (12) being delimited by the two wings (9, 10) forming the clamp, one of the two wings (9) being elastically deformable, the profile (1) being characterized in that the other wing (10) forming the clamp is substantially non-deformable, the profile (1) comprising a support section (13, 28) defining a support plane (14), the wing elastically deformable (9) extending before mounting of the canvas (4) along a plane substantially parallel to the support plane (14) and at a short distance from this plane (14),the deformation of the elastically deformable wing (9), during the insertion of the canvas edge (3) into the passage (12) and the opening of the clamp, taking place in the space limited by the support plane (14).,

2. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to claim 1, characterized in that the support section (13, 28) is defined by the fixing wing (7).

3. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to claim 2, characterized in that the fixing wing (7) extends substantially parallel to the elastically deformable wing (9).

4. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to claim 2, characterized in that the fixing wing (7) extends substantially perpendicular to the deformable wing (9) and comprises an end part forming the support section (28).

5. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to any one of claims 1 to 4, characterized in that it comprises at least one internal panel (18, 25, 26) forming a box, this internal panel (18, 25, 26) being connected to the substantially non-deformable wing (10).

6. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to any one of claims 1 to 5, characterized in that the substantially non-deformable wing (10) comprises an end portion (27) extending below the end portion of the elastically deformable wing (9).

7. Mounting profile (1) for producing a false wall such as a false ceiling or false wall according to any one of claims 1 to 6, characterized in that the end part of the elastically deformable wing (9) comprises an inclined plane (19) for guiding a tool for inserting the canvas into the opening of the clamp.

8. Mounting profile (1) for producing a false wall such as a false ceiling or false wall according to any one of claims 1 to 7, characterized in that the two wings (9, 10) forming a clamp each comprise teeth, in the passage (12) leading to the internal space (2) of the profile, each tooth of a toothing of a first wing coming opposite a hollow of the toothing of the other wing.

9. Mounting profile (1) for producing a false wall such as a false ceiling or false wall according to any one of claims 1 to 8, characterized in that the substantially non-deformable wing (10) forms a fixed jaw for the clamping pliers and comprises an internal wall (15), inclined relative to the fixing wing (7), a support wall (16) for the canvas (4), and an end wall (17) delimiting the passage (12) towards the internal space (2) of the profile.

10. Mounting profile (1) for creating a false wall such as a false ceiling or false wall according to any one of claims 1 to 9, characterized in that it is made of a material chosen from the group comprising polyvinyl chloride, polypropylene, polyethylene, acrylonitrile butadiene styrene.

11. False ceiling or false wall comprising at least one canvas (4) of which an edge (3) is mounted in a profile (1) according to any one of claims 1 to 10, the edge (3) of the canvas being held tight in the clamp formed by the profile (1).

12. False ceiling or false wall according to claim 11, characterized in that the canvas (4) is made of a material chosen from the group comprising polyesters, coated polyesters (for example coated with polyurethane), impregnated polyesters (for example impregnated with polyvinyl chloride), thermoplastic fluoropolymers such as ethylene tetrafluoroethylene (ETFE), fabrics, in particular cotton fabric, linen fabric.

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