EP2520732B1 - Tool for assistance in mounting and dismounting sheets of stretched false walls - Google Patents

Tool for assistance in mounting and dismounting sheets of stretched false walls Download PDF

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Publication number
EP2520732B1
EP2520732B1 EP20120166930 EP12166930A EP2520732B1 EP 2520732 B1 EP2520732 B1 EP 2520732B1 EP 20120166930 EP20120166930 EP 20120166930 EP 12166930 A EP12166930 A EP 12166930A EP 2520732 B1 EP2520732 B1 EP 2520732B1
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EP
European Patent Office
Prior art keywords
blade
tool
tool according
slot
free edge
Prior art date
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Not-in-force
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EP20120166930
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German (de)
French (fr)
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EP2520732A1 (en
Inventor
Etienne Cousin
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Newmat SA
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Newmat SA
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
    • E04B9/303—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall for flexible tensioned membranes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
    • E04F13/005—Stretched foil- or web-like elements attached with edge gripping devices

Definitions

  • the invention relates to a manual tool for assisting the assembly and disassembly of tensile structures such as false ceilings, false walls or false partitions.
  • This provision of a sheet stretched in a frame is intended to ensure a removable character to false suspended ceiling, allowing intervention in the plenum, or a change of part or all of the web.
  • the maintenance of the ply relative to the heald frame is obtained by different ways (hooking, buttressing, snapping, clamping, pinching), illustrated for example in the patent in France published under the numbers 1303930 , 1475446 , 2002261 , 2734296 , 2699211 , 2537112 , 2597906 , 2619531 , 2630476 , 2811693 .
  • the material constituting such stretched sheets lengthens when the temperature rises, the dimensions of the front ply is slightly lower than the final dimensions of the false ceiling or false wall, the mounting being carried out hot.
  • the intermediate maintenance zones are defined in the document FR-A-2,310,450 , by recesses arranged every 20cm approximately on the smooth, a distance of 10 to 12 cm being proposed in the document FR-A-2,475,093 .
  • the identification of the recesses being difficult for an operator who looks at the rail from below, when mounting a false ceiling, it has been proposed to make the recesses on the hook-shaped web edge (document FR-A-2,658,849 ). But this disposition weakens the tablecloth.
  • the documents FR-A-2 692 302 and FR-A-2,699,613 from the plaintiff propose the use of a piece for the temporary maintenance of the edge of the ceiling ply at a short distance from the rail section.
  • These parts have the disadvantage of not allow the first attachment of the sheet in the corners of the frame smooth.
  • the document FR2691193 proposes the use of bimetallic spatula supports conjugated with ordinary spatulas ( Figures 6a and 6b). The assembly is done first at the corners of the walls using a bimetallic corner support spatula.
  • the pose then consists of sliding the lips of the edge of the sheet of plastic material on the shoulder of the horizontal flange of the rail section, the sheet being held taut by the spatulas bimetallic strips. As this border is anchored, the bimetallic spatulas are removed.
  • the document WO 03/0742896 of the Applicant presents a tool for assisting the assembly of webs of cloths in a frame for maintaining these webs in tension, this tool comprising a first wall and a second wall that are substantially parallel to one another, the first wall and the second wall being connected to one another by a gutter-shaped section, the first wall comprising a V-shaped front end portion, the second wall comprising two edges hemmed on either side of a rectilinear end.
  • the tool described in the document WO 03/0742896 of the applicant is adapted to the assembly of the false wall fabrics provided with a harpoon or hook-shaped edge, the shape of this harpoon or hook edge being complementary to that of the free edge of the first wall of the tool.
  • the tool described in the document WO 03/0742896 facilitates the assembly of the sheet in the frame angles.
  • a blade for example a spatula, is inserted under the second wall of the tool so as to bear in the bottom of the gutter.
  • the edge of the ply is placed in abutment against the free edge of the first wall and the operator exerts a force on the blade, the result of which the resultant causes the angle of the ply in the angle of the heald frame.
  • the document FR 2935150 discloses a hand spatula for mounting a false wall in a room, this false wall such as a false ceiling being constituted by a stretched sheet hung on smooth along its harpoon shaped edges; said smooth having, like those described in the document FR2695670 of the plaintiff, a recess open towards the local, recess delimited by a first and a second wing of different heights, these wings being partly substantially parallel, the first wing is ending at its free end by a shoulder extending towards the second wing and the second wing extending further towards the room and having a free end curved towards the first wing, this free end stopping at a distance and substantially at the plumb with the first wing to delimit, between the second flange and said shoulder, a passage allowing the introduction of the harpoon into the recess with the aid of said hand spatula.
  • the spatula described in the document FR 2935150 comprises a handle and a blade having a first flat portion extending along the median longitudinal plane of said handle, a second flat portion from said first portion at a first angle of inclination and a third flat portion from the second portion at a first angle second angle of inclination so as to have a generally open C-section.
  • the document WO 96/35846 and the document FR 2703710 describe, with reference to FIGS. 6b, a C-shaped spatula similar to that of the document FR 2935150 .
  • the document WO 96/35846 and the document FR 2703710 further disclose, with reference to FIGS. 6a, a U-shaped flat-blade spatula to be used with the C-shaped spatula shown in FIG. 6b to simultaneously operate the laying of the web edge in the rail.
  • the dismantling of the false ceiling, according to the document WO 96/35846 and the document FR 2730710 is not carried out using spatulas or tools, but by a halyard housed in the recess of the rail.
  • spatulas or tools for mounting false suspended ceilings are described in the documents EP43466 , EP 570295 , US3205628 , US4197686 , FR2562988 , FR2627207 , FR2770263 , FR2900171 , FR2823779 .
  • spatulas whose shape is specifically adapted to the smooth section in which a fabric curtain must be inserted and retained by friction.
  • Such spatulas are described in particular in the document FR-A-2,728,001 as well as in US patents issued under 4018260 , 4151762 , 4197686 , 4549334 , 4625490 , 4986332 .
  • the use of the spatulas described in these prior documents proves impossible in practice when the plies to be stretched in the rails are constituted by a thin polymer film (a few hundredths of a millimeter), subjected to high voltages for their plane maintenance in a framework of smooth of large dimensions (several tens of square meters).
  • the document FR-A-2,712,008 describes a spatula with a U-shaped blade.
  • the invention relates more particularly to a manual tool for assisting in the assembly and disassembly of such sheets of polymer fabric to be stretched in a smooth frame, this sheet being provided on its periphery with a hook-shaped rim or harpoon.
  • the invention relates, in a first aspect, to a tool for assembly / disassembly to a rail of a stretched false wall ply, comprising a rear gripping portion connected to a handle and a front portion. of introduction into the rail, this front part having a front view of a general U shape, the front part having on either side of a receiving slot of the web edge, a first substantially plane blade delimited by a free edge and two lateral edges and a second blade comprising a first substantially planar portion delimited by two lateral edges and extended beyond a front fold by a second inclined portion.
  • the tool 1 for assembly / disassembly to a rail of a stretched false wall ply comprises a rear part 2 gripping connected to a handle 3 and a front portion 4 for insertion into the rail, this front part 4 presenting in front view a general shape of U.
  • the front portion 4 comprises on either side of a slot 5 for receiving the edge 20 of the sheet, a first substantially plane blade 6 delimited by a free edge 7 and two lateral edges 8, 9 and a second blade 10 comprising a substantially flat first portion 11 delimited by two lateral edges 12, 13 and extended beyond a front fold 14 by a second inclined portion 15.
  • the free edge 7 of the first blade 6 and the front fold 14 of the second blade 10 extend continuously from one another on either side of the opening of the slot 5 for receiving the edge 20 tablecloth.
  • the free edge of the first blade is substantially rectilinear as the front fold.
  • the free edge 7 of the first blade 6 is curved, for example elliptical, when the tool 1 is seen from the front, this arrangement facilitating the sliding of the tool 1 in the rail along the edge 20 of tablecloth.
  • the free edge 16 of the second inclined portion 15 is curved, when the tool 1 is seen from the front, this arrangement facilitating the sliding of the tool 1 in the rail along the edge 20 of the web.
  • the free edge 7 of the first blade 6 extends over a width I 7 greater than that I 6 of the front fold 14 of the second blade 6.
  • the width I 7 is of the order of twice the width I 6 .
  • first portion 11 of the second blade 10 and the first blade 6 extend substantially in the same plane. In other embodiments, not shown, the first portion 11 of the second blade 10 and the first blade 6 are substantially parallel to each other and not coplanar.
  • the angle formed between the first portion 11 and the second portion 15 of the second blade 10 is between a few degrees and 90 degrees.
  • the tool comprises at least one intermediate portion between the front portion 4 and the rear portion 2.
  • the rear portion being substantially flat, the substantially flat intermediate portion forms a first angle with the front portion and a second angle with the back part.
  • a handle 3 is fixed permanently or removably to the rear portion 2, this handle 3 extending, when the tool 1 is seen from the front, substantially in alignment with the slot 5 for receiving the edge 20 of the tablecloth .
  • a removable assembly makes it possible to provide a single handle 3 for different ends of tools, each tool end comprising a slot 5 of shape and / or dimensions adapted to a shape / size of edge 20 of the sheet to be gripped in the bar.
  • the handle is mounted on a ball joint allowing, by a rotation of the end of the tool, to have several shapes and / or dimensions of slots 5, each of the free edges of a polygonal plate being provided with a U-shaped front part as described above.
  • the first blade is provided with at least a second slot for receiving the web edge, this second slot having a width and / or length different from the first receiving slot.
  • the tool 1 is particularly well suited to disassembling web edges housed in so-called "invisible" rails of the type described for example in the document FR2695670 of the applicant and its many variations and variants proposed for twenty years, these smooth comprising a recess delimited by two wings of different heights, parallel or not, the first wing ending at its free end by a shoulder or projection extending in direction of the second wing, the harpoon border, hook or hook of the tablecloth being introduced into the recess to come to rest on this shoulder, this projection.
  • the use of the tool for disassembly of the web allows a significant time saving compared to the tools proposed so far.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Description

L'invention se rapporte à un outil manuel d'aide au montage et démontage de structures tendues telles que faux plafonds, faux murs ou fausses cloisons.The invention relates to a manual tool for assisting the assembly and disassembly of tensile structures such as false ceilings, false walls or false partitions.

Les faux plafonds à toile tendue sont connus en eux-mêmes depuis plusieurs décennies.The false ceilings stretched canvas have been known in themselves for several decades.

On peut se référer, à titre d'exemples, aux demandes de brevet en France publiées sous les numéros suivants : 2767851 , 2751682 , 2712006 , 2707708 , 2703711 , 2699209 , 2688849 , 2685036 , 2645135 , 2627207 , 2624167 , 2623540 , 2597906 , 2611779 , 2592416 , 2587447 , 2561690 , 2587392 , 2552473 , 2531012 , 2524922 , 2486127 , 2523622 , 2270407 , 2202997 , 2175854 , 2145147 , 2106407 , 2078579 , 2002261 , 1475446 , 1303930 , 1287077 .By way of example, reference can be made to the patent applications in France published under the following numbers: 2767851 , 2751682 , 2712006 , 2707708 , 2703711 , 2699209 , 2688849 , 2685036 , 2645135 , 2627207 , 2624167 , 2623540 , 2597906 , 2611779 , 2592416 , 2587447 , 2561690 , 2587392 , 2552473 , 2531012 , 2524922 , 2486127 , 2523622 , 2270407 , 2202997 , 2175854 , 2145147 , 2106407 , 2078579 , 2002261 , 1475446 , 1303930 , 1287077 .

On peut se reporter également, à titre d'exemples, aux documents suivants : US-A-5 058 340 , US-A-4 083 157 , EP-A-643 180 , EP-A-652 339 , EP- A-588 748 , EP-A-504 530 , EP-A-338 925 , EP-A-281 468 , EP-A-215 715 , EP-A- 089 905 , EP-A-043 466 , WO-A-94/12741 , WO-A-92/18722 .By way of examples, reference may also be made to the following documents: US-A-5,058,340 , US-A-4,083,157 , EP-A-643,180 , EP-A-652,339 , EP-A-588 748 , EP-A-504,530 , EP-A-338 925 , EP-A-281,468 , EP-A-215,715 , EP-A-089 905 , EP-A-043 466 , WO-A-94/12741 , WO-A-92/18722 .

On peut se reporter également aux demandes de brevet en France issues de la demanderesse: 2811693 , 2736615 , 2756600 , 2727711 , 2712325 , 2699613 , 2695670 , 2692302 , 2658849 .We can also refer to the patent applications in France from the plaintiff: 2811693 , 2736615 , 2756600 , 2727711 , 2712325 , 2699613 , 2695670 , 2692302 , 2658849 .

Les faux plafonds tendus conventionnels comprennent:

  • d'une part, un cadre fixé sur la partie supérieure des murs d'un local, ce cadre étant formé par des lisses, c'est à dire des profilés aboutés ;
  • d'autre part, une nappe tendue à l'intérieur de ce cadre, cette nappe étant conventionnellement en matériau polymère, par exemple PVC ou tissu enduit.
Conventional taut ceilings include:
  • on the one hand, a frame fixed on the upper part of the walls of a room, this frame being formed by smooth, ie butted profiles;
  • on the other hand, a sheet stretched inside this frame, this sheet being conventionally made of a polymer material, for example PVC or coated fabric.

Cette disposition d'une nappe tendue dans un cadre vise à assurer un caractère démontable au faux plafond tendu, permettant une intervention dans le plénum, ou un changement d'une partie ou de la totalité de la nappe.This provision of a sheet stretched in a frame is intended to ensure a removable character to false suspended ceiling, allowing intervention in the plenum, or a change of part or all of the web.

Le maintien de la nappe par rapport au cadre de lisses est obtenu par différentes voies (accrochage, arc-boutement, encliquetage, serrage, pincement), illustrées par exemple dans les demandes de brevet en France publiées sous les numéros 1303930 , 1475446 , 2002261 , 2734296 , 2699211 , 2537112 , 2597906 , 2619531 , 2630476 , 2811693 .The maintenance of the ply relative to the heald frame is obtained by different ways (hooking, buttressing, snapping, clamping, pinching), illustrated for example in the patent in France published under the numbers 1303930 , 1475446 , 2002261 , 2734296 , 2699211 , 2537112 , 2597906 , 2619531 , 2630476 , 2811693 .

Ainsi qu'il est rappelé par exemple dans le document FR2691193 , de manière conventionnelle, le matériau constituant de telles nappes tendues s'allonge lorsque la température s'élève, les dimensions de la nappe avant pose étant légèrement inférieures aux dimensions finales du faux plafond ou faux mur, le montage étant effectué à chaud.As is recalled for example in the document FR2691193 in a conventional manner, the material constituting such stretched sheets lengthens when the temperature rises, the dimensions of the front ply is slightly lower than the final dimensions of the false ceiling or false wall, the mounting being carried out hot.

Les efforts à mettre en oeuvre lors de la pose et dépose de la nappe sont élevés, l'opérateur devant de plus travailler bras levés.The efforts to be implemented during the laying and removal of the sheet are high, the operator must also work arms raised.

Ces efforts sont également importants lorsque, le cas échéant, le montage est effectué à température ambiante, par exemple pour des nappes formées d'un tissu enduit.These efforts are also important when, where appropriate, the mounting is carried out at ambient temperature, for example for plies formed of a coated fabric.

Le document FR-A-2 310 450 , rappelle que le montage de la nappe ou toile tendue dans le cadre de lisses s'effectue conventionnellement de la manière suivante (voir figure 10 de ce document antérieur):

  • insertion des angles de la nappe dans les profilés de lisse;
  • puis insertion, à l'aide d'une spatule, de la bordure de nappe, entre les angles, définissant ainsi des zones de maintien intermédiaire ;
  • enfin, à l'aide d'une spatule ou d'une roulette glissant le long de la lisse, insertion de la nappe entre lesdites zones de maintien, le montage étant ainsi effectué de proche en proche.
The document FR-A-2,310,450 recalls that the assembly of the sheet or canvas stretched in the smooth frame conventionally takes place in the following manner (see FIG. 10 of this prior document):
  • inserting the corners of the web into the rail sections;
  • then inserting, with a spatula, the web edge, between the angles, thus defining intermediate holding zones;
  • finally, with the aid of a spatula or a roller sliding along the rail, insertion of the web between said holding zones, the assembly being thus carried out step by step.

Les zones de maintient intermédiaires sont définies, dans le document FR-A-2 310 450 , par des embrèvements disposés tous les 20cm environ sur la lisse, une distance de 10 à 12 cm étant proposée dans le document FR-A-2 475 093 . Le repérage des embrèvements étant difficile pour un opérateur qui regarde la lisse par le dessous, lors du montage d'un faux plafond, il a été proposé de réaliser les embrèvements sur la bordure de nappe en forme de crochet (document FR-A-2 658 849 ). Mais cette disposition fragilise la nappe. Plutôt que de réaliser des embrèvements sur les lisses ou le bord de la nappe, il a été envisagé dans l'art antérieur, de réduire les efforts lors de la mise en place de la nappe: les documents FR-A-2 692 302 et FR-A-2 699 613 issus de la demanderesse, proposent l'emploi d'une pièce permettant le maintien provisoire du bord de la nappe de plafond à faible distance du profilé de lisse. Ces pièces présentent toutefois l'inconvénient de ne pas permettre le premier accrochage de la nappe dans les angles du cadre de lisse. Pour éviter la réalisation d'embrèvements, le document FR2691193 propose l'emploi de spatules bilames supports conjuguées à des spatules ordinaires (figures 6a et 6b). Le montage s'effectue tout d'abord aux angles des murs à l'aide d'une spatule support d'angle bilame. A l'aide d'une spatule ordinaire, la pose consiste alors à faire glisser les lèvres de la bordure de la nappe de matière plastique sur l'épaulement de l'aile horizontale du profilé de lisse, la nappe étant maintenue tendue par les spatules bilames. Au fur et à mesure de l'ancrage de cette bordure, les spatules bilame supports sont enlevées.The intermediate maintenance zones are defined in the document FR-A-2,310,450 , by recesses arranged every 20cm approximately on the smooth, a distance of 10 to 12 cm being proposed in the document FR-A-2,475,093 . The identification of the recesses being difficult for an operator who looks at the rail from below, when mounting a false ceiling, it has been proposed to make the recesses on the hook-shaped web edge (document FR-A-2,658,849 ). But this disposition weakens the tablecloth. Rather than making recesses on the rails or the edge of the sheet, it has been envisaged in the prior art to reduce the forces during the setting up of the sheet: the documents FR-A-2 692 302 and FR-A-2,699,613 from the plaintiff, propose the use of a piece for the temporary maintenance of the edge of the ceiling ply at a short distance from the rail section. These parts, however, have the disadvantage of not allow the first attachment of the sheet in the corners of the frame smooth. To avoid the realization of recesses, the document FR2691193 proposes the use of bimetallic spatula supports conjugated with ordinary spatulas (Figures 6a and 6b). The assembly is done first at the corners of the walls using a bimetallic corner support spatula. Using an ordinary spatula, the pose then consists of sliding the lips of the edge of the sheet of plastic material on the shoulder of the horizontal flange of the rail section, the sheet being held taut by the spatulas bimetallic strips. As this border is anchored, the bimetallic spatulas are removed.

Le document WO 03/0742896 de la demanderesse présente un outil d'aide au montage de nappes de toiles dans un cadre de maintien en tension de ces nappes, cet outil comprenant une première paroi et une deuxième paroi sensiblement parallèles entre elles, la première paroi et la deuxième paroi étant reliées par une section en forme de gouttière, la première paroi comprenant une partie extrême avant en forme de V, la deuxième paroi comprenant deux bords ourlés de part et d'autre d'une extrémité rectiligne. L'outil décrit dans le document WO 03/0742896 de la demanderesse est adapté au montage des toiles de fausse cloison pourvues d'une bordure en forme de harpon ou crochet, la forme de cette bordure en harpon ou crochet étant complémentaire de celle du bord libre de la première paroi de l'outil. L'outil décrit dans le document WO 03/0742896 facilite le montage de la nappe dans les angles de cadre. Une lame, par exemple une spatule, est insérée sous la deuxième paroi de l'outil de sorte à venir en appui dans le fond de la gouttière. Dans le même temps ou dans une étape ultérieure, la bordure de la nappe est placée en appui contre le bord libre de la première paroi et l'opérateur exerce un effort sur la lame, effort dont la résultante entraîne l'angle de la nappe dans l'angle du cadre de lisses.The document WO 03/0742896 of the Applicant presents a tool for assisting the assembly of webs of cloths in a frame for maintaining these webs in tension, this tool comprising a first wall and a second wall that are substantially parallel to one another, the first wall and the second wall being connected to one another by a gutter-shaped section, the first wall comprising a V-shaped front end portion, the second wall comprising two edges hemmed on either side of a rectilinear end. The tool described in the document WO 03/0742896 of the applicant is adapted to the assembly of the false wall fabrics provided with a harpoon or hook-shaped edge, the shape of this harpoon or hook edge being complementary to that of the free edge of the first wall of the tool. The tool described in the document WO 03/0742896 facilitates the assembly of the sheet in the frame angles. A blade, for example a spatula, is inserted under the second wall of the tool so as to bear in the bottom of the gutter. At the same time or in a subsequent step, the edge of the ply is placed in abutment against the free edge of the first wall and the operator exerts a force on the blade, the result of which the resultant causes the angle of the ply in the angle of the heald frame.

Le document FR 2935150 décrit une spatule à main destinée au montage d'une fausse paroi dans un local, cette fausse paroi telle qu'un faux plafond étant constituée par une nappe tendue accrochée à des lisses le long de ses bordures en forme de harpon ; lesdites lisses présentant, comme celles décrites dans le document FR2695670 de la demanderesse, un évidement ouvert vers le local, évidement délimité par une première et une seconde ailes de hauteurs différentes, ces ailes étant en partie sensiblement parallèles, la première aile se terminant à son extrémité libre par un épaulement s'étendant en direction de la seconde aile et la seconde aile s'étendant davantage vers le local et comportant une extrémité libre recourbée vers la première aile, cette extrémité libre s'arrêtant à distance et sensiblement à l'aplomb de la première aile pour délimiter, entre la seconde aile et ledit épaulement, un passage permettant l'introduction du harpon dans l'évidement à l'aide de ladite spatule à main.The document FR 2935150 discloses a hand spatula for mounting a false wall in a room, this false wall such as a false ceiling being constituted by a stretched sheet hung on smooth along its harpoon shaped edges; said smooth having, like those described in the document FR2695670 of the plaintiff, a recess open towards the local, recess delimited by a first and a second wing of different heights, these wings being partly substantially parallel, the first wing is ending at its free end by a shoulder extending towards the second wing and the second wing extending further towards the room and having a free end curved towards the first wing, this free end stopping at a distance and substantially at the plumb with the first wing to delimit, between the second flange and said shoulder, a passage allowing the introduction of the harpoon into the recess with the aid of said hand spatula.

La spatule décrite dans le document FR 2935150 comprend un manche et une lame comportant une première partie plate s'étendant suivant le plan longitudinal médian dudit manche, une deuxième partie plate issue de ladite première partie suivant un premier angle d'inclinaison et une troisième partie plate issue de la deuxième partie suivant un deuxième angle d'inclinaison de manière à avoir une section en forme générale de C ouvert.The spatula described in the document FR 2935150 comprises a handle and a blade having a first flat portion extending along the median longitudinal plane of said handle, a second flat portion from said first portion at a first angle of inclination and a third flat portion from the second portion at a first angle second angle of inclination so as to have a generally open C-section.

Le document WO 96/35846 et le document FR 2703710 décrivent, en référence à leurs figures 6b, une spatule en forme de C semblable à celle objet du document FR 2935150 .The document WO 96/35846 and the document FR 2703710 describe, with reference to FIGS. 6b, a C-shaped spatula similar to that of the document FR 2935150 .

Le document WO 96/35846 et le document FR 2703710 décrivent en outre, en référence à leurs figures 6a, une spatule à lame plate en forme de U devant être utilisée avec la spatule en forme de C représentée en figure 6b pour opérer simultanément la pose de la bordure de la nappe dans la lisse. Le démontage du faux plafond, selon le document WO 96/35846 et le document FR 2730710 n'est pas effectué à l'aide de spatules ou d'outils, mais par une drisse logée dans l'évidement de la lisse.The document WO 96/35846 and the document FR 2703710 further disclose, with reference to FIGS. 6a, a U-shaped flat-blade spatula to be used with the C-shaped spatula shown in FIG. 6b to simultaneously operate the laying of the web edge in the rail. The dismantling of the false ceiling, according to the document WO 96/35846 and the document FR 2730710 is not carried out using spatulas or tools, but by a halyard housed in the recess of the rail.

D'autres réalisations de spatules ou outils de montage de faux plafonds tendus sont décrits dans les documents EP43466 , EP 570295 , US3205628 , US4197686 , FR2562988 , FR2627207 , FR2770263 , FR2900171 , FR2823779 .Other embodiments of spatulas or tools for mounting false suspended ceilings are described in the documents EP43466 , EP 570295 , US3205628 , US4197686 , FR2562988 , FR2627207 , FR2770263 , FR2900171 , FR2823779 .

On connaît par ailleurs, dans l'art antérieur, des spatules dont la forme est spécifiquement adaptée au profilé de lisse dans lequel une tenture en tissus doit être insérée et retenue par friction. De telles spatules sont notamment décrites dans le document FR-A-2 728 001 ainsi que dans les brevets américains délivrés sous les numéros 4018260 , 4151762 , 4197686 , 4549334 , 4625490 , 4986332 . L'usage des spatules décrites dans ces documents antérieurs s'avère impossible en pratique lorsque les nappes à tendre dans les lisses sont constituées par un film polymère de faible épaisseur (quelques centièmes de millimètres), soumis à des tensions élevées pour leur maintien plan dans un cadre de lisses de grandes dimensions (plusieurs dizaines de mètres carrés).Also known in the prior art, spatulas whose shape is specifically adapted to the smooth section in which a fabric curtain must be inserted and retained by friction. Such spatulas are described in particular in the document FR-A-2,728,001 as well as in US patents issued under 4018260 , 4151762 , 4197686 , 4549334 , 4625490 , 4986332 . The use of the spatulas described in these prior documents proves impossible in practice when the plies to be stretched in the rails are constituted by a thin polymer film (a few hundredths of a millimeter), subjected to high voltages for their plane maintenance in a framework of smooth of large dimensions (several tens of square meters).

Le document FR-A-2 712 008 décrit une spatule avec une lame en forme de U.The document FR-A-2,712,008 describes a spatula with a U-shaped blade.

Si l'opération de pose de la nappe de fausse cloison est toujours délicate, la dépose nécessitée par des opérations de maintenance ou de réparation est souvent encore plus délicate.If the operation of laying the false partition sheet is always delicate, the removal required by maintenance or repair operations is often even more delicate.

II s'agit en effet de décrocher du cadre de lisses la bordure de la nappe sans détériorer la nappe et le cadre de lisses et ce alors même que les lisses sont conçues pour présenter des ouvertures les plus réduites possibles, de sorte à être aussi peu visibles que possible. II est également délicat de démonter les nappes de supports intermédiaires sur lesquels sont placés les bords de deux lés adjacents, les supports intermédiaires comprenant des ouvertures les plus réduites possibles, de sorte à permettre l'introduction des bords des lés en forme de crochet ou harpon en maintenant une apparente continuité de la nappe de fausse cloison entre les deux lés.It is in effect to unhook the frame of smooth the edge of the sheet without damaging the sheet and the frame smooth and even as the rails are designed to have the smallest openings possible, so to be as little visible as possible. It is also difficult to remove the layers of intermediate supports on which the edges of two adjacent strips are placed, the intermediate supports comprising the smallest possible openings, so as to allow the introduction of the edges of the hook-shaped or harpoon-shaped strips. maintaining an apparent continuity of the false wall between the two strips.

On connait ainsi plusieurs lisses présentées commercialement comme "invisibles" pour le montage de nappes de faux plafonds ou fausses cloisons à bordure dite en forme de crochet, harpon, ou hameçon.We thus know several smooth commercially presented as "invisible" for the assembly of tablecloths false ceilings or false partitions said border hook, harpoon, or hook.

L'invention concerne plus particulièrement un outil manuel d'aide au montage et démontage de telles nappes de toile polymère à tendre dans un cadre de lisses, cette nappe étant pourvue sur sa périphérie d'une bordure en forme de crochet ou harpon.The invention relates more particularly to a manual tool for assisting in the assembly and disassembly of such sheets of polymer fabric to be stretched in a smooth frame, this sheet being provided on its periphery with a hook-shaped rim or harpoon.

A cette fin, l'invention se rapporte, selon un premier aspect, à un outil pour intervention de montage/démontage à une lisse d'une nappe de fausse paroi tendue, comprenant une partie arrière de préhension reliée à une poignée et une partie avant d'introduction dans la lisse, cette partie avant présentant en vue de face une forme générale de U, la partie avant comportant de part et d'autre d'une fente de réception de la bordure de nappe, une première lame sensiblement plane délimitée par un bord libre et deux bords latéraux et une deuxième lame comprenant une première partie sensiblement plane délimitée par deux bords latéraux et prolongée au-delà d'un pli avant par une deuxième partie inclinée.To this end, the invention relates, in a first aspect, to a tool for assembly / disassembly to a rail of a stretched false wall ply, comprising a rear gripping portion connected to a handle and a front portion. of introduction into the rail, this front part having a front view of a general U shape, the front part having on either side of a receiving slot of the web edge, a first substantially plane blade delimited by a free edge and two lateral edges and a second blade comprising a first substantially planar portion delimited by two lateral edges and extended beyond a front fold by a second inclined portion.

L'outil présente, dans diverses réalisations, les caractères suivants, le cas échéant combinés:

  • le bord libre de la première lame et le pli avant de la deuxième lame s'étendent en continuité l'un de l'autre de part et d'autre de l'ouverture de la fente de réception de la bordure de nappe;
  • le bord libre de la première lame s'étend sur une largeur supérieure à celle du pli avant de la deuxième lame;
  • la première partie de la deuxième lame et la première lame s'étendent sensiblement dans le même plan;
  • le bord libre de la première lame est courbe;
  • le bord libre de la deuxième partie inclinée est courbe;
  • l'angle formé entre la première partie et la deuxième partie de la deuxième lame est compris entre quelques degrés et 90 degrés;
  • l'outil comprend au moins une partie intermédiaire entre la partie avant et la partie arrière;
  • la partie arrière est sensiblement plane, la partie intermédiaire étant sensiblement plane et formant un premier angle avec la partie avant et un deuxième angle avec la partie arrière;
  • une poignée est fixée de manière permanente ou amovible à la partie arrière, cette poignée s'étendant, lorsque l'outil est vu de face, sensiblement dans l'alignement de la fente de réception de la bordure de nappe;
  • la première lame est pourvue d'au moins une deuxième fente de réception de la bordure de nappe, cette deuxième fente présentant une largeur et/ou une longueur différente de la première fente de réception.
The tool has, in various embodiments, the following characters, if necessary combined:
  • the free edge of the first blade and the front fold of the second blade extend continuously from one another on either side of the opening of the receiving slot of the web edge;
  • the free edge of the first blade extends over a width greater than that of the front fold of the second blade;
  • the first portion of the second blade and the first blade extend substantially in the same plane;
  • the free edge of the first blade is curved;
  • the free edge of the second inclined portion is curved;
  • the angle formed between the first portion and the second portion of the second blade is between a few degrees and 90 degrees;
  • the tool comprises at least one intermediate portion between the front portion and the rear portion;
  • the rear portion is substantially planar, the intermediate portion being substantially flat and forming a first angle with the front portion and a second angle with the rear portion;
  • a handle is permanently or removably attached to the rear part, this handle extending, when the tool is seen from the front, substantially in alignment with the receiving slot of the web edge;
  • the first blade is provided with at least a second slot for receiving the web edge, this second slot having a width and / or length different from the first receiving slot.

D'autres objets et avantages de l'invention apparaîtront au cours de la description suivante de modes de réalisation, description qui va être effectuée en se référant aux dessins annexés, dans lesquels:

  • la figure 1 est une vue de face d'un outil selon un mode de réalisation;
  • la figure 2 est une vue en perspective de l'outil représenté en figure 1 ;
  • la figure 3 est une vue en perspective schématique illustrant le placement de l'outil par rapport à une bordure de nappe de fausse paroi tendue, seule la bordure étant représentée, afin de clarté.
Other objects and advantages of the invention will become apparent from the following description of embodiments, which description will be made with reference to the accompanying drawings, in which:
  • the figure 1 is a front view of a tool according to one embodiment;
  • the figure 2 is a perspective view of the tool represented in figure 1 ;
  • the figure 3 is a schematic perspective view illustrating the placement of the tool with respect to a web edge of false wall stretched, only the border being shown, for clarity.

L'outil 1 pour intervention de montage/démontage à une lisse d'une nappe de fausse paroi tendue, comprend une partie arrière 2 de préhension reliée à une poignée 3 et une partie avant 4 d'introduction dans la lisse, cette partie avant 4 présentant en vue de face une forme générale de U.The tool 1 for assembly / disassembly to a rail of a stretched false wall ply comprises a rear part 2 gripping connected to a handle 3 and a front portion 4 for insertion into the rail, this front part 4 presenting in front view a general shape of U.

La partie avant 4 comporte de part et d'autre d'une fente 5 de réception de la bordure 20 de nappe, une première lame 6 sensiblement plane délimitée par un bord libre 7 et deux bords latéraux 8, 9 et une deuxième lame 10 comprenant une première partie 11 sensiblement plane délimitée par deux bords latéraux 12, 13 et prolongée au-delà d'un pli avant 14 par une deuxième partie 15 inclinée.The front portion 4 comprises on either side of a slot 5 for receiving the edge 20 of the sheet, a first substantially plane blade 6 delimited by a free edge 7 and two lateral edges 8, 9 and a second blade 10 comprising a substantially flat first portion 11 delimited by two lateral edges 12, 13 and extended beyond a front fold 14 by a second inclined portion 15.

Le bord libre 7 de la première lame 6 et le pli avant 14 de la deuxième lame 10 s'étendent en continuité l'un de l'autre de part et d'autre de l'ouverture de la fente 5 de réception de la bordure 20 de nappe. Dans une mise en oeuvre, le bord libre de la première lame est sensiblement rectiligne tout comme le pli avant. Dans la réalisation représentée, le bord libre 7 de la première lame 6 est courbe, par exemple elliptique, lorsque l'outil 1 est vu de face, cette disposition facilitant le glissement de l'outil 1 dans la lisse le long de la bordure 20 de nappe. Dans la réalisation représentée, le bord libre 16 de la deuxième partie 15 inclinée est courbe, lorsque l'outil 1 est vu de face, cette disposition facilitant le glissement de l'outil 1 dans la lisse le long de la bordure 20 de nappe.The free edge 7 of the first blade 6 and the front fold 14 of the second blade 10 extend continuously from one another on either side of the opening of the slot 5 for receiving the edge 20 tablecloth. In one embodiment, the free edge of the first blade is substantially rectilinear as the front fold. In the embodiment shown, the free edge 7 of the first blade 6 is curved, for example elliptical, when the tool 1 is seen from the front, this arrangement facilitating the sliding of the tool 1 in the rail along the edge 20 of tablecloth. In the embodiment shown, the free edge 16 of the second inclined portion 15 is curved, when the tool 1 is seen from the front, this arrangement facilitating the sliding of the tool 1 in the rail along the edge 20 of the web.

Dans la réalisation représentée, le bord libre 7 de la première lame 6 s'étend sur une largeur I7 supérieure à celle I6 du pli avant 14 de la deuxième lame 6. Par exemple, la largeur I7 est de l'ordre de deux fois la largeur I6.In the embodiment shown, the free edge 7 of the first blade 6 extends over a width I 7 greater than that I 6 of the front fold 14 of the second blade 6. For example, the width I 7 is of the order of twice the width I 6 .

Dans la réalisation représentée, la première partie 11 de la deuxième lame 10 et la première lame 6 s'étendent sensiblement dans le même plan. Dans d'autres modes de réalisations, non représentés, la première partie 11 de la deuxième lame 10 et la première lame 6 sont sensiblement parallèles entre elles et non coplanaires.In the embodiment shown, the first portion 11 of the second blade 10 and the first blade 6 extend substantially in the same plane. In other embodiments, not shown, the first portion 11 of the second blade 10 and the first blade 6 are substantially parallel to each other and not coplanar.

L'angle formé entre la première partie 11 et la deuxième partie 15 de la deuxième lame 10 est compris entre quelques degrés et 90 degrés.The angle formed between the first portion 11 and the second portion 15 of the second blade 10 is between a few degrees and 90 degrees.

Dans certaines réalisations, non représentées, l'outil comprend au moins une partie intermédiaire entre la partie avant 4 et la partie arrière 2. La partie arrière étant sensiblement plane, la partie intermédiaire sensiblement plane forme un premier angle avec la partie avant et un deuxième angle avec la partie arrière.In some embodiments, not shown, the tool comprises at least one intermediate portion between the front portion 4 and the rear portion 2. The rear portion being substantially flat, the substantially flat intermediate portion forms a first angle with the front portion and a second angle with the back part.

Une poignée 3 est fixée de manière permanente ou amovible à la partie arrière 2, cette poignée 3 s'étendant, lorsque l'outil 1 est vu de face, sensiblement dans l'alignement de la fente 5 de réception de la bordure 20 de nappe. Un montage amovible permet de prévoir une seule poignée 3 pour différentes extrémités d'outils, chaque extrémité d'outil comprenant une fente 5 de forme et/ou dimensions adaptée à une forme/dimension de bordure 20 de nappe à saisir dans la lisse. Dans une variante de réalisation, non représentée, la poignée est montée sur une rotule permettant, par une rotation de l'extrémité de l'outil, de disposer de plusieurs formes et/ou dimensions de fentes 5, chacun des bords libres d'une plaque polygonale étant pourvue d'une partie avant en U telle que décrite précédemment.A handle 3 is fixed permanently or removably to the rear portion 2, this handle 3 extending, when the tool 1 is seen from the front, substantially in alignment with the slot 5 for receiving the edge 20 of the tablecloth . A removable assembly makes it possible to provide a single handle 3 for different ends of tools, each tool end comprising a slot 5 of shape and / or dimensions adapted to a shape / size of edge 20 of the sheet to be gripped in the bar. In an alternative embodiment, not shown, the handle is mounted on a ball joint allowing, by a rotation of the end of the tool, to have several shapes and / or dimensions of slots 5, each of the free edges of a polygonal plate being provided with a U-shaped front part as described above.

Dans certaines réalisations, non représentées, la première lame est pourvue d'au moins une deuxième fente de réception de la bordure de nappe, cette deuxième fente présentant une largeur et/ou une longueur différente de la première fente de réception.In some embodiments, not shown, the first blade is provided with at least a second slot for receiving the web edge, this second slot having a width and / or length different from the first receiving slot.

Ainsi qu'il est schématisé en figure 3, la partie inclinée 15 vient en appui contre la partie supérieure 21 de la bordure 20 de nappe, au sein de la lisse, le flanc externe 22 de cette bordure 20 venant au contact de la deuxième lame 10 la bordure 20 étant logée dans la fente 5 de l'outil 1.As it is schematized in figure 3 , the inclined portion 15 abuts against the upper portion 21 of the web edge 20, within the bar, the outer side 22 of this edge 20 coming into contact with the second blade 10 the edge 20 being housed in the slot 5 of the tool 1.

Une action sur l'outil 1 ayant une composante selon la flèche F de la figure 3 provoque la sortie de la bordure 20 de la nappe tendue de son logement dans la lisse.An action on the tool 1 having a component according to the arrow F of the figure 3 causes the edge 20 of the stretched web to come out of its housing in the rail.

L'outil 1 est notamment bien adapté au démontage des bordures de nappe logées dans des lisses dites "invisibles" du type décrit par exemple dans le document FR2695670 de la demanderesse et ses nombreuses déclinaisons et variantes proposées depuis vingt ans, ces lisses comprenant un évidement délimité par deux ailes de hauteurs différentes, parallèles ou non, la première aile se terminant à son extrémité libre par un épaulement ou une saillie s'étendant en direction de la seconde aile, la bordure en harpon, crochet ou hameçon de la nappe étant introduite dans l'évidement pour venir s'appuyer sur cet épaulement, cette saillie.The tool 1 is particularly well suited to disassembling web edges housed in so-called "invisible" rails of the type described for example in the document FR2695670 of the applicant and its many variations and variants proposed for twenty years, these smooth comprising a recess delimited by two wings of different heights, parallel or not, the first wing ending at its free end by a shoulder or projection extending in direction of the second wing, the harpoon border, hook or hook of the tablecloth being introduced into the recess to come to rest on this shoulder, this projection.

L'utilisation de l'outil pour le démontage de la nappe, par exemple pour une intervention dans le plénum ou un remplacement partiel ou total de la nappe, permet un gain de temps très important par rapport aux outils proposés jusqu'ici.The use of the tool for disassembly of the web, for example for an intervention in the plenum or a partial or total replacement of the web, allows a significant time saving compared to the tools proposed so far.

Claims (11)

  1. Tool (1) for intervening in the mounting/demounting of a stretched false wall sheet to or from a rail, comprising a rear gripping part (2) connected to a handle (3) and a front part (4) for inserting into the rail, this front part (4) having in front view a general U-shape, wherein the front part (4) comprises, on either side of a slot (5) for receiving the sheet border (20), a first substantially flat blade (6) delimited by a free edge (7) and two lateral edges (8, 9) and a second blade (10) comprising a first substantially flat part (11) delimited by two lateral edges (12, 13), characterized in that the first substantially flat part (11) of the second blade (10) is extended beyond a front fold (14) by a second inclined part (15).
  2. Tool according to Claim 1, characterized in that the free edge (7) of the first blade (6) and the front fold (14) of the second blade (10) extend as a continuity of one another on either side of the opening of the slot (5) for receiving the sheet border (20).
  3. Tool according to Claim 1 or 2, characterized in that the free edge (7) of the first blade (6) extends over a width greater than that of the front fold (14) of the second blade (10).
  4. Tool according to any one of Claims 1 to 3, characterized in that the first part (11) of the second blade (10) and the first blade (6) extend substantially in the same plane.
  5. Tool according to any one of Claims 1 to 4, characterized in that the free edge (7) of the first blade (6) is curved.
  6. Tool according to any one of Claims 1 to 5, characterized in that the free edge (16) of the second inclined part (15) is curved.
  7. Tool according to any one of Claims 1 to 6, characterized in that the angle formed between the first part (11) and the second part (15) of the second blade (10) is between a few degrees and 90 degrees.
  8. Tool according to any one of Claims 1 to 7, characterized in that it comprises at least one intermediate part between the front part and the rear part.
  9. Tool according to Claim 8, characterized in that the rear part is substantially flat, the intermediate part being substantially flat and forming a first angle with the front part and a second angle with the rear part.
  10. Tool according to any one of the preceding claims, characterized in that a handle (3) is permanently or removeably fixed to the rear part (2), this handle extending, when the tool (1) is seen from the front, substantially in alignment with the slot (5) for receiving the sheet border (20).
  11. Tool according to any one of the preceding claims, characterized in that the first blade (6) is provided with at least a second slot for receiving the sheet border, this second slot having a width and/or a length which differs from the first receiving slot (5).
EP20120166930 2011-05-06 2012-05-07 Tool for assistance in mounting and dismounting sheets of stretched false walls Not-in-force EP2520732B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1153883A FR2974827B1 (en) 2011-05-06 2011-05-06 ASSEMBLY TOOL FOR ASSEMBLING AND DISASSEMBLING NAPPES OF FALSE TENDED WALLS

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Publication Number Publication Date
EP2520732A1 EP2520732A1 (en) 2012-11-07
EP2520732B1 true EP2520732B1 (en) 2014-09-03

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FR2685036B1 (en) 1991-12-13 1995-03-17 Ruhlmann Rene INVISIBLE JOINING DEVICE, PARTICULARLY FOR TIGHT CANVAS.
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FR2691193B1 (en) 1992-05-13 1994-08-05 Hosteing Guy PROFILES TO SUPPORT AND TENSION A FALSE CEILING OR A FALSE WALL.
FR2692302B1 (en) 1992-06-16 1994-09-09 Newmat Sa Method for tensioning and mounting a flexible and elastic sheet and means for implementing this method.
FR2695670B1 (en) 1992-09-14 1994-11-25 Newmat Hanging device for a flexible and elastic sheet stretched between two supports to constitute in particular a false ceiling and false ceiling provided with such a hanging device.
FR2698647B1 (en) 1992-12-01 1995-02-03 Andre Bellamy Device for keeping a panel of flexible material stretched by its edges.
FR2699613B1 (en) 1992-12-08 1995-03-31 Newmat Sa Temporary holding accessory at a short distance from a flexible sheet to be stretched between two supports.
FR2699209A1 (en) 1992-12-11 1994-06-17 Swal Sarl Profile strip for holding wall cladding
FR2699211A1 (en) 1992-12-11 1994-06-17 Swal Sarl Extruded strip for fixing coverings to surfaces - includes L=shaped body with shorter leg parallel to surface to be covered and bent back double to form jaws with longer leg extension, this longer leg having provision for permitting fixing of strip to surface
FR2703711A1 (en) 1993-04-08 1994-10-14 Hosteing Guy Improvements made to the implementation of a false ceiling or a false wall
FR2703710B1 (en) 1993-04-09 1995-06-23 Hosteing Guy Profiles to support & keep in tension a false ceiling or a false wall.
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FR2707708B1 (en) 1993-07-12 1996-01-05 Rene Philippe Ruhlmann Removable device for blocking the hanging of stretched fabrics.
FR2712008B1 (en) * 1993-11-04 1995-12-22 Guy Hosteing Profiles to support and maintain in tension a false ceiling or a false wall.
FR2712006B1 (en) 1993-11-05 1997-01-24 Marc Gagliardi New device for laying wall coverings and means for this realization.
FR2712325B1 (en) 1993-11-09 1996-02-23 Newmat Sa Method of manufacturing tiles, especially for suspended ceilings.
FR2727711B1 (en) 1994-12-05 1997-01-24 Newmat Sa TENSION SHEET SHEET FOR CONSTRUCTION OF SUSPENDED CEILINGS AND SUSPENDED CEILING PROVIDED WITH SAME
FR2728001B1 (en) 1994-12-12 1997-03-21 Mecanobloc METHODS, DEVICE, AND SPATULA FOR MOUNTING A PANEL AND ATTACHING A HANGING OR THE LIKE
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US5692346A (en) * 1996-03-08 1997-12-02 Airtite Contractors Inc. Apparatus and method for connecting a panel with a support frame
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FR2770263B1 (en) 1997-10-27 2000-01-14 Bernard Maureau DEVICE FOR HOLDING A FLEXIBLE AND PROFILED CANVAS OR FILM FOR LAYING ON A SUPPORT
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FR2935150B1 (en) * 2008-08-22 2016-09-09 Normalu DOUBLE PLATE SPATULA FOR ASSEMBLY / DISASSEMBLY OF TILTED CEILINGS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2754317C1 (en) * 2021-03-10 2021-09-01 Иван Николаевич Ханов Stretch ceiling installation tool

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EP2520732A1 (en) 2012-11-07
FR2974827B1 (en) 2013-06-07
FR2974827A1 (en) 2012-11-09

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