EP1854933A1 - Grid framework fora suspended ceiling or partition wall and corresponding suspended ceiling or partition wall aimed mainly at increasing their fire resistance - Google Patents

Grid framework fora suspended ceiling or partition wall and corresponding suspended ceiling or partition wall aimed mainly at increasing their fire resistance Download PDF

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Publication number
EP1854933A1
EP1854933A1 EP07352003A EP07352003A EP1854933A1 EP 1854933 A1 EP1854933 A1 EP 1854933A1 EP 07352003 A EP07352003 A EP 07352003A EP 07352003 A EP07352003 A EP 07352003A EP 1854933 A1 EP1854933 A1 EP 1854933A1
Authority
EP
European Patent Office
Prior art keywords
spacer
rails
spacers
longitudinal
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07352003A
Other languages
German (de)
French (fr)
Other versions
EP1854933B1 (en
Inventor
Jean-Pierre Klein
Patrick Truquin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Placoplatre SA
Original Assignee
Placoplatre SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR0651651A external-priority patent/FR2900946B1/en
Application filed by Placoplatre SA filed Critical Placoplatre SA
Publication of EP1854933A1 publication Critical patent/EP1854933A1/en
Application granted granted Critical
Publication of EP1854933B1 publication Critical patent/EP1854933B1/en
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Anticipated expiration legal-status Critical

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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
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/12—Connections between non-parallel members of the supporting construction
    • E04B9/127—Connections between non-parallel members of the supporting construction one member being discontinuous and abutting against the other member
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7675—Insulating linings for the interior face of exterior walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/245—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of screws, bolts or clamping strips held against the underside of the supporting construction

Definitions

  • the present invention relates to a frame and a corresponding partition designed in particular to increase the fire resistance.
  • the present invention relates more particularly, but not exclusively, to the production of ceilings with increased fire resistance and the production of vertical insulating wall partitions of a wall.
  • a ceiling made using plasterboard is fixed on a frame installed in the underside of a support structure such as a frame or a floor.
  • This intermediate frame is generally made of metal profiles attached to the corresponding support structure using parts called hangers.
  • the metal profiles are arranged longitudinally with a spacing generally of 0.6m.
  • Such an assembly is generally called fire assembly.
  • fire assembly Such an assembly is much more complex than a conventional assembly.
  • the time required to make a fire fixture is much more important than for conventional mounting.
  • the problem at the origin of the present invention is initially to provide a frame that can be put in place more easily than the framework of a fire assembly of the prior art while ensuring the same fire resistance.
  • this frame further comprises spacers arranged transversely with respect to the longitudinal rails and each end of a spacer comprises first fastening means cooperating with second fastening means arranged at regular intervals at the side faces of the rails. longitudinal.
  • This framework allows for a rigid bidirectional framework on which can be fixed facing plates. Its rigidity makes it interesting to make a fire montage of a ceiling. However, it has also been found that a frame of this type could very well be used, with many advantages, for the realization of an insulating doubling of a wall.
  • Such a frame therefore has the advantage first of all to be able to use conventional profiled rails of the prior art, with just minor modifications, thus making it possible to be compatible with the existing elements.
  • a frame can be used for mounting a "classic" ceiling, a fire resistant mounting of a ceiling but also for the realization of a thermal doubling of a wall.
  • locking means are advantageously provided at one end of at least one spacer.
  • each spacer carries latching means while the second fastening means comprise complementary latching means.
  • the latching means of the spacer is an embodiment of the locking means mentioned above.
  • the complementary latching means may simply be a light for the passage of the latching means of the spacer.
  • the spacers have the same height as the profiled rails.
  • the second fastening means on the profiled rails are preferably centered on the height of the corresponding lateral face and symmetrical with respect to the median longitudinal axis of said lateral face.
  • the mounting of the spacer on the longitudinal rail is reversible: the spacer can be mounted in one direction or the other with respect to the longitudinal rail. This feature is advantageous for allowing the same spacers to be used both for the production of ceilings and partition walls. insulating lining.
  • each spacer has a U-shaped shape with a base and two lateral flanks and that the base of the spacer is extended at the ends of the spacer by a cut tab and optionally folded and / or pressed to form the first fastening means.
  • each spacer has a U-shaped shape with a base and two lateral flanks, the base of the spacer is extended at the ends of the spacer by a cut tab and said tongue is for example cut and / or folded so as to form a tab intended to bear against the bottom of a longitudinal rail.
  • the first fastening means carried by a spacer comprise for example a substantially flat lug and parallel to the bottom of a longitudinal rail, the leg of which projects a clip;
  • the second fastening means carried by the longitudinal rail comprise a slot in which can be introduced the tab and the clip, the latter being arranged to allow the insertion of the tab into the slot but to prohibit withdrawal of the tab out of the slot.
  • the spacer has a transverse end plate bearing a stamp of size and shape adapted to the size and shape of an opening formed in a side wall. longitudinal profiled rail and forming the second fixing means.
  • locking means may be provided in that the stamping is in the form of a rib, and in that a cut is made at the base of the rib parallel to the plate on a portion of the length of the rib.
  • the present invention also relates to a ceiling, characterized in that it comprises a frame as described above as well as facing plates screwed to the bottom of the longitudinal profiled rails on the opposite side to the lateral faces of said rails.
  • a ceiling characterized in that it comprises a frame as described above as well as facing plates screwed to the bottom of the longitudinal profiled rails on the opposite side to the lateral faces of said rails.
  • the bottom of the profiled rails are advantageously substantially in the same plane as the bases of the spacers for such a ceiling.
  • the facing plates are then advantageously screwed into strut bases.
  • the present invention also relates to a partition, characterized in that it comprises a frame as described above as well as facing plates screwed to the bottom of longitudinal profiled rails on the opposite side to the lateral faces of said rails.
  • the spacers have, for example, a U-shaped cross section with a base and two lateral flanks and are preferably mounted horizontally between the vertical profiled rails so that the bases of the spacers are arranged opposite the bottom of the channels. longitudinal rails.
  • at least some spacers are preferably fixed on a support such as a wall or the like.
  • the frame that is to say both the spacers and the longitudinal profiled rails, is then perfectly fixed on the wall or the like.
  • An embodiment of such a partition provides that the fixing of at least one spacer is provided by an anchor having a deformable tubular portion, and that the anchor extends perpendicular to the base of the spacer so that the deformable tubular part is located on both sides of the base. This embodiment allows a perfect hold of the spacer relative to the support on which the frame is fixed.
  • Figure 1 shows first a profiled rail 2. It is a rail as those usually used to achieve a ceiling or partition frame, with slight modifications that will be explained later.
  • the profiled rail 2 of FIG. 1 corresponds for example to a F530 type profiled rail marketed by PLACOPLATRE. In this case, it is a galvanized steel profile. This profile has a bottom 4, side faces 6 and in the preferred embodiment shown in Figure 1 also flanges 8.
  • the bottom 4 is substantially planar and is intended to serve as a support for a facing plate. It also receives fixing screws during the fixing of a facing plate on the frame.
  • the lateral faces are also substantially flat and extend on either side of the bottom 4, perpendicular to it.
  • the flanges 8 are arranged at the free edge of the side faces 6 and extend towards each other substantially parallel to the bottom 4. These flanges 8 cooperate for example with a hanger foot to allow the fixing of the profiled rail 2 .
  • the side faces 6 of the profiled rail 2 have fastening means arranged at regular intervals.
  • these fastening means are constituted by slots 10 of rectangular shape, elongate and narrow. These slots 10 are arranged longitudinally with respect to the lateral faces 6 and are each halfway up the corresponding lateral face 6.
  • the lights 10 of a side face 6 each face a light 10 of the opposite side face 6.
  • These lights are for example machined on the production line of the profiled rail 2 after profiling thereof.
  • the pitch between the lights 10 is for example 0.60m.
  • Figure 1 also shows a spacer 12.
  • the overall shape of this spacer is that of a U-shaped piece with a base 14 and two side flanks 16.
  • This spacer 12 is for example made of galvanized steel.
  • the height of the spacer corresponds for example to the height of the profiled rail 2.
  • the length of the spacer depends on the distance to separate two longitudinal rails 2 of the frame to achieve.
  • the length of this spacer will correspond to the value of the pitch of the longitudinal rails 2 less the width of a rail.
  • the length of the spacers will be 0.55m.
  • This spacer length corresponds to the length of the side flanks 16.
  • the length of the spacers 12 will be 0.45m.
  • the spacer 12 carries fixing means. These are made by folding and cutting an extension of the bottom 14 of the profiled portion of the spacer 12.
  • the present description proposes several embodiments of these fastening means. These are shown in more detail in Figures 2 to 19.
  • the embodiment shown in Figure 1 is a simplified form of the embodiments of Figures 2 and 3.
  • a frame according to the invention comprises longitudinal rails 2 arranged parallel to each other at a predetermined pitch, for example 0.50m or 0.60m. These rails are connected by spacers 12 extending perpendicular to the profiled rails 2. These spacers are fixed at both ends to the rails they connect.
  • the longitudinal rails are for example in a horizontal plane to achieve a ceiling or possibly in a vertical plane to achieve a partition.
  • the longitudinal rails 2 can be fixed in a known manner on the underside of a floor using hangers known to those skilled in the art.
  • profiled rails for the edge slides (not shown) known to those skilled in the art. These are, for example, edge slides of PLACOPLATRE sold under the name STIL ® F530. These edge slides are optionally adapted to the chosen pitch.
  • a framework according to the invention is very close to that of a conventional framework. Indeed, the longitudinal rails 2 are mounted in a conventional manner, at the desired pitch. It is only necessary to ensure that the fastening means of two adjacent profiled rails 2 are aligned. Then, spacers are put in place between the profiled rails. Preferably, these spacers 12 are simply snapped onto the longitudinal rails 2 of the frame. Depending on the characteristics of the ceiling or the partition that one wishes to make, one can then use spacers for example every 0.60m or every 1.2m or even without spacer for a "conventional" mounting.
  • Such a framework can also be advantageously used for producing an insulating lining, for example expanded polystyrene, both in new buildings and for the renovation of existing buildings.
  • the thermal insulation is provided by expanded polystyrene elements or by expanded and elasticized polystyrene elements.
  • the characteristics of the polystyrene can be adapted to the real needs for the insulation because, as it follows from what follows, the insulating elements used have no mechanical function, unlike the use for example glued doublings. All thicknesses of insulation can be considered. It is also possible to provide flat elements or grooved elements for the passage of pipes. It can be floor boards with straight edges or longitudinal edges assembled by tenons and mortises, or tiles assembled by tenons and mortises on all four sides.
  • the insulators are held on the support wall by simple bonding (mortar or putty) on a finished slab or on a bare floor.
  • the framework is a framework as described above. It has longitudinal rails arranged vertically and spacers arranged horizontally. High and low slides are advantageously used to facilitate the installation of the longitudinal rails. They are maintained on the floor and under the floor by mechanical fasteners.
  • the longitudinal rails, vertical, are then nested and arranged for example at a step of 0.6m between the scenes by providing at the head a game of the order of 10mm.
  • a first line of spacers is preferably arranged at a height of 1.30m from the ground.
  • the spacers are fixed so that the base of each spacer is disposed on the side of the insulators. Unlike the mounting of a ceiling, the bases of the spacers are therefore not in the same plane as the bottom of the longitudinal rails. Other lines of spacers can then be put in place.
  • the spacers are then drilled, for example in their center, and can be pegged through the hole made on the support wall. Through the pins and spacers, the entire frame, and thus also the vertical longitudinal rails for receiving the facing plates, is securely fixed to the support wall.
  • Metal connecting brackets for securing vertical structural sections can also be used to the right of the incoming and outgoing angles.
  • FIG. 2 a section of the connection between a profiled rail 2 and a spacer 12 is shown schematically.
  • the profiled rail 2 is cut transversely while the spacer 12 is cut longitudinally.
  • the support lugs 18 are arranged laterally and extend in the plane of the base 14. They are on the side of the side flanks 16 and the arm 20 with its latching lug 22 is between the two support lugs. 18.
  • the latching lug 22 is intended to cooperate with the light 10 of the profiled rail 2.
  • the dimensions of the light 10 are therefore adapted to the dimensions of the latching lug 22 and vice versa.
  • the dimensions of the arm 20 are also adapted.
  • the length of the arm 20 thus substantially corresponds to the distance separating the light 10 from the bottom 4 (to the sheet thicknesses close).
  • the latching lug 22 is mounted substantially at right angles to the arm 20. The latter is folded relative to the base 14 so as to be pivotable relative thereto, driving with it the leg of snapping 22.
  • the latching lug 22 carries a clip 24.
  • the latter protrudes above the latching tab 22. It is elastically connected thereto.
  • the shape of this clip is substantially rectangular and the clip 24 is obtained by cutting into the latching tab 22. Three sides of the clips 24 are cut while the fourth side, the closest to the free end of the latching lug 22 corresponds to a fold line.
  • the latching lug 22 can easily be introduced into the light 10.
  • the clip 24 folds to be substantially in the plane of the latching lug 22 and resumes its protruding position above the latching lug 22 once it has passed through the light 10. It then forms a stop preventing the latching lug. involuntary withdrawal of the leg latching 22 out of the light 10.
  • FIG. 2 furthermore provides an actuating button 26 and an opening 28 in the base 14. of the spacer 12.
  • the actuating button 26 is disposed on the arm 20 on the inside of the spacer 12.
  • the opening 28 is in turn made in the base 14 of the spacer 12 near the arm 20. This opening 28 serves as access to the arm 20 and its actuating button 26. Indeed, in this embodiment, in the rest position, the arm 20 is folded towards the inside of the spacer 12. To make a snap, it is then necessary to push the latching lug 22 into the light 10 as suggested by the arrow shown in Figure 2. When placing the spacers 12 between the longitudinal rails 2, is acted through the opening 28, through the button 26 of actuation on the arm 20 , and thus on the latching lug 22, to pass the clip 24 entirely through the corresponding opening 10.
  • FIG. 3 shows an alternative embodiment of FIG. 2.
  • the actuating button 26 is replaced by a lug 30. While the actuating button 26 is more particularly adapted to be actuated using a finger, the lug 30 is rather adapted to be actuated with the end of the blade of a screwdriver.
  • FIGS. 4 and 5 The variant embodiment of FIGS. 4 and 5 is a simplified variant. There is no provision for a support leg. In addition, there is no member for acting on the arm 20 or opening in the base 14 of the spacer 12.
  • the shape of the clip 24 is slightly different from the form described above. Indeed, the clip is here circular and a convex shape has been given. As can be seen in particular in Figure 5, the clip 24 is cut on almost all of its periphery except on a small circular arc near the free edge of the latching lug 22, opposite the arm 20. In addition, at rest, the arm 20 is inclined towards the outside of the spacer 12, that is to say towards a possible profiled rail 2.
  • FIGS. 6 and 7 is very close to that of FIGS. 2 and 3. The difference is here at the level of the arm 20.
  • This arm 20 has neither actuating button 26 nor pin 30. It presents by against a hole 32 for example for the passage of a screw to fix the spacer 12 on the longitudinal rail 2.
  • FIGs 8 and 9 show a modified embodiment with respect to the embodiment of Figures 6 and 7.
  • This embodiment allows to easily separate the spacer 12 of the longitudinal rail 2 on which it is mounted.
  • a lever 34 is associated with the clips 24.
  • This lever 34 is in one piece with the clips 24. This piece is obtained by cutting and folding in the latching lug 22 and the arm 20.
  • the lever 34 extends towards the spacer. Once the spacer 12 mounted on a profiled rail 2, the lever 34 protrudes inside the spacer 12. It is then sufficient to press the lever 34 towards the base 14 to remove the bracket. snap 22 out of the corresponding light 10. Note here that in this case the size of the light 10 is greater than that of the lights for the embodiments described above.
  • Figures 10 to 12 show another embodiment of means for fixing a spacer 12 on a profiled rail 2 of a frame according to the invention.
  • a central support lug 18 and an arm 20 of substantially greater size than the arms 20 of the other embodiments.
  • the arm 20 extends over the entire height of a lateral face 6 of a profiled rail 2. It further comprises at its free end a hooking flange 36.
  • the arm 20 has a rectangular overall shape, almost square, having a rectangular opening on the side of the base 14 and centered between the two lateral flanks 16.
  • FIGS. 10 and 11 show the spacer respectively before and after fixation on the profiled rail 2.
  • the arm 20 In the rest position, the arm 20 is inclined towards the inside of the spacer 12 after being put in place, the operator comes to act on the arm 20 as suggested by the arrow shown in FIG. 10 for passing the latching lug 22 through the corresponding slot 10 of the profile rail 2 until snapped. Once snapped, the spacer 12 is then perfectly fixed on the longitudinal rail 2. With the support lug 18 and the hooking flange 36 no movement perpendicular to the plane of the base 14 is possible and the leg of the snap 22 with its clips 24 ensures locking in this position by preventing longitudinal movement.
  • a plate 38 The latter forms a single piece with the base 14 of the spacer 12. It is bent at right angles to the end of the side flanks 16 and comes to rest against the corresponding edges thereof.
  • a flange 40 is covered on each side of the ends of the side flanks 16 of the spacer 12.
  • a stamping is performed in the center of the plate 38. This stamping forms a rib 42 projecting towards the outside of the spacer 12.
  • a cutout 44 is made at each end of the rib 42.
  • the latter extends parallel to the base 14 at mid-height of the lateral flanks 16. Its dimensions correspond to the dimensions of the light 10 of the profiled rail 2 of FIG. 14.
  • the spacer 12 of FIGS. 13 and 15 also comprises a hooking flange 36.
  • the latter is intended to rest on the corresponding flange 8 of the profiled rail 2.
  • FIGS. 16 and 17 differs from the embodiment of FIGS. 13 to 15 in the form of the stamping and by the presence of support lugs 18.
  • the stamp of this new embodiment is here a circular puncture 46.
  • the light (not shown) made in a side face 6 of a profiled rail 2 has a corresponding circular shape.
  • the bearing lugs 18 are, as for the variant embodiments concerned described above, intended to come against the bottom 4 of the profiled rail 2. These bearing lugs 18 are obtained here by a cut made in the base 14 of the spacer 12 and by folding 180 ° from the outside of the spacer.
  • Figures 18 and 19 show another alternative embodiment of the embodiment of Figures 13 to 15. This variant relates to the locking of the spacer 12 on the profiled rail 2, and in particular the rib 42.
  • a rectangular slot 10 is found in the profile 2.
  • a rib 42 formed on a plate 38 closing a end of the spacer 12.
  • the rib 42 is projecting outwardly of the spacer and is intended to cooperate with the rectangular slot of the profiled rail 2.
  • the rib FIGS. 18 and 19 comprise a cutout 48. The latter is made parallel to the plate 38, at the base of the rib 42. It extends over part of the length of the rib, for example a portion representing between a third and half the length of rib 42.
  • FIG. 18 shows the spacer 12 facing the profiled rail 2.
  • a double arrow 50 illustrates the movements to be carried out in order to assemble on the one hand the spacer 12 and the profiled rail 2 and to lock these two elements on the other hand.
  • the rib 42 is inserted into the corresponding slot 10.
  • the cut 48 of the rib 42 is then at a lateral face 6 of the profiled rail 2.
  • the rib 42 is then slid with the spacer 12 longitudinally relative to the profiled rail 2 so that the rib 42 comes to overlap the lateral face at the level of the cutout 48.
  • the spacer 12 is thus locked on the profiled rail 2.
  • FIG 19 there is shown partially two facing plates 52 fixed on the frame elements assembled in the case of a ceiling. These facing plates 52 are screwed firstly to the bottom 4 of the profiled rail 2 and secondly to the base 14 of the spacer 12. Lines 54 in phantom are schematically the screw locations used for fixing The latter are, relative to the bottom 4 of the profiled rail 2, the opposite side to the side faces 6.
  • the profiled rail 2 here carries the facing plates 52 as in a conventional assembly of the prior art but it is helped here in its function of supporting plates by the spacers 12.
  • the stampings made in the embodiments of Figures 13 to 19 are not mounted on an elastic tab but on a fixed plate.
  • the stamp 42 or 46 bears on a lateral face 6 of a profiled rail 2 and this lateral face deforms elastically until the introduction of this stamped into the corresponding light. Once stamped in place, the side face returns to its original undistorted position.
  • the spacers 12 described above can be used with almost standard profile rails.
  • the system proposed above allows for a bidirectional frame as simple to mount a frame having only rails extending in a single direction. Indeed, it is not necessary to provide tracing operations for the implementation of the spacer lines. The lights in the profile rails immediately determine the position of the spacers. Nor is it necessary to provide adjustment operations for the alignment of the strut lines.
  • the base 14 of the spacers 12 is substantially in the same plane as the bottom 4 of the profiled rails 2. Cladding plates can then be fixed on both the profiled rails 2 and on the spacers 12.
  • the profiled rails 2 are fixed to a support using, for example, lines. It may be noted here that the spacers 12 can be located at the right of a hanger. Thus during the realization of the frame, it is not necessarily necessary to pay attention to the relative position of the spacers with the lines.
  • the spacers 12 are advantageously mounted so that their bases 14 are opposite the bottom 4 of the profiled rails 2.
  • the framework is then fixed to using the bases 14 of the spacers 12 on a support while the funds 4 of the profiled rails 2 are used to receive the facing plates.
  • Figures 21A and 21B illustrate means that can be implemented for fixing a partition frame according to the invention on a support.
  • the latter is for example a wall already existing when performing a partition doubling.
  • FIG 21A illustrates an anchor 56 used as a fastening means prior to fully screwing a screw 58 therein.
  • This peg 56 conventionally has an expansive portion 60.
  • the peg 56 has, on the opposite side to the expansive portion 60, a tubular portion 62 elastically deformable. This tubular portion 62 is intended to be traversed by the screw 58 and to be compressed during the tightening of this screw.
  • Figure 21B illustrates the pin 56 when the screw 58 has been tightened.
  • the expansive portion 60 is deformed in a conventional manner and this deformed portion is not shown here.
  • the tubular portion 62 made for example of rubber or equivalent, is disposed at the height of the base 14 of the spacer 12 to be maintained so as to extend from both sides. other of this base 14 (the pin 56 extends perpendicular to the base 14 of the spacer 12).
  • the screw 58 When the screw 58 is tightened, it causes in parallel the deformation of the expansive portion 60 and the tubular portion 62. The latter is compressed and deformed to form on each side of the base 14 of the spacer 12 a bead shaped of barrel.
  • the base 14 is then perfectly maintained with respect to the peg 56, itself firmly anchored in the support thanks to the expansive part 60.
  • a facing plate 52 can be fixed on the profiled rails 2 as shown in Figure 21B.
  • the head of the screw 58 and a portion of the pin 56 are fully housed in the spacer 12, between the side flanks 16 thereof.
  • the frame thus produced is intended to receive facing plates, including plasterboard.
  • these plates see Fig. 19
  • fixing the plates both on the profiled rails and the spacers in the case of the realization of a ceiling, one removes the risks of festooning the plates due to the humidification of the structure.
  • Fixing the plates both in two directions according to a grid also limits the buckling and deformation of the carrier lines in case of fire.
  • the maintenance of the plates both on the longitudinal rails and on the spacers makes it possible to suppress the festooning of the plates due to the carbonization of the facings.
  • the spacers have a large mechanical strength which allows in one case (ceiling) to reliably support facing plates and in another case (partition) to securely fix the frame made to a support, like a wall.
  • a frame according to the invention also allows fixing by simply screwing the partition heads, whatever their location. It has also been noted that a frame according to the invention makes it possible to ensure better behavior of a ceiling in the event of an earthquake, that is to say when horizontal accelerations are observed. The use of spacers in a frame according to the invention also avoids the bracing suspension devices that are sometimes used to resist earthquakes.
  • a non-negligible advantage already mentioned above is also that the frame according to the invention can be compatible with existing systems currently.
  • the invention allows a better coordination and organization of the interventions performed on the site. It also facilitates the qualitative and functional controls, improve the implementation of the insulation and the mechanical strength of the facing plates mounted on the frame.
  • insulators can be used and in many forms. This insulation can also be set up either by the company responsible for the structural work, or by the plaquiste company or any other stakeholder, for example the electrician or the plumber when laying pipes.

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Abstract

The frame has longitudinal rails (2) placed parallel to each other at preset distance and connected by spacers (12). The spacers are arranged transversally with respect to the longitudinal rails and fixed to the rails by ends of the spacers. The spacers are locked on the rails. Ends of each spacer comprise locking tabs (22) that cooperate with recesses (10) that are placed at regular intervals at the level of lateral sides (6) of the rails. Each tab has a clip (24) that projects from the tab. The clips are folded in a plane of the tabs and take a projecting position above the tabs. Independent claims are also included for the following: (1) a ceiling comprising a frame and gypsum baseboard (2) a partition wall comprising a frame and gypsum baseboards.

Description

La présente invention concerne une ossature et une cloison correspondante destinées notamment à accroître la résistance au feu.The present invention relates to a frame and a corresponding partition designed in particular to increase the fire resistance.

La présente invention concerne plus particulièrement, mais pas exclusivement, la réalisation de plafonds présentant une résistance au feu accrue ainsi que la réalisation de cloisons verticales de doublage isolant d'un mur.The present invention relates more particularly, but not exclusively, to the production of ceilings with increased fire resistance and the production of vertical insulating wall partitions of a wall.

Un plafond réalisé à l'aide de plaques de plâtres est fixé sur une ossature installée en sous face d'une structure support telle par exemple une charpente ou un plancher. Cette ossature intermédiaire est constituée en règle générale de profilés métalliques fixés sur la structure support correspondante à l'aide de pièces appelées suspentes. Les profilés métalliques sont disposés longitudinalement avec un entraxe généralement de 0,6m.A ceiling made using plasterboard is fixed on a frame installed in the underside of a support structure such as a frame or a floor. This intermediate frame is generally made of metal profiles attached to the corresponding support structure using parts called hangers. The metal profiles are arranged longitudinally with a spacing generally of 0.6m.

De façon classique, pour augmenter la résistance au feu d'un tel plafond, l'entraxe entre les profilés est réduit. On réduit également l'entraxe de vissage des plaques sur les profilés. En outre une languette de plâtre est montée entre chaque profilé de l'ossature et les plaques de parement réalisant le plafond. Au niveau de la jonction entre deux plaques, lorsque la ligne de jonction est parallèle à l'axe des profilés, l'ossature est doublée. Cela signifie qu'au lieu de venir visser chaque extrémité de plaque sur un même profilé, on dispose deux profilés presque côte à côte et la jonction de plaques se fait entre les deux profilés. Bien entendu, au niveau de ces profilés doublés on utilise également des languettes de plâtre.Conventionally, to increase the fire resistance of such a ceiling, the distance between the profiles is reduced. It also reduces the screw spacing of the plates on the profiles. In addition, a plaster tongue is mounted between each section of the frame and the facing plates forming the ceiling. At the junction between two plates, when the junction line is parallel to the axis of the profiles, the frame is doubled. This means that instead of screwing each end of the plate on the same profile, it has two sections almost side by side and the junction plates is between the two profiles. Of course, at the level of these doubled profiles is also used plaster tongues.

Un tel montage est appelé généralement montage feu. On remarque qu'un tel montage est bien plus complexe qu'un montage classique. Le temps nécessaire pour réaliser un montage feu est bien plus important que pour un montage classique.Such an assembly is generally called fire assembly. We note that such an assembly is much more complex than a conventional assembly. The time required to make a fire fixture is much more important than for conventional mounting.

Le problème à l'origine de la présente invention est au départ de fournir une ossature pouvant être mise plus facilement en place que l'ossature d'un montage feu de l'art antérieur tout en assurant une même résistance au feu.The problem at the origin of the present invention is initially to provide a frame that can be put in place more easily than the framework of a fire assembly of the prior art while ensuring the same fire resistance.

A cet effet, l'invention propose une ossature destinée à recevoir des plaques de parement en plâtre, comportant :

  • des rails profilés longitudinaux présentant une face appelée fond servant de face d'appui à la plaque de parement correspondante ainsi que des faces latérales s'étendant longitudinalement le long du fond, de part et d'autre de celui-ci, et
  • des moyens de liaison entre ces rails profilés et un support.
For this purpose, the invention proposes a frame intended to receive plasterboard facing plates, comprising:
  • longitudinal profiled rails having a face called bottom forming a support face to the corresponding facing plate and side faces extending longitudinally along the bottom, on either side of it, and
  • connecting means between these profiled rails and a support.

Selon l'invention, cette ossature comporte en outre des entretoises disposées transversalement par rapport aux rails longitudinaux et chaque extrémité d'une entretoise comporte des premiers moyens de fixation coopérant avec des seconds moyens de fixation disposés à intervalles réguliers au niveau des faces latérales des rails longitudinaux.According to the invention, this frame further comprises spacers arranged transversely with respect to the longitudinal rails and each end of a spacer comprises first fastening means cooperating with second fastening means arranged at regular intervals at the side faces of the rails. longitudinal.

Cette ossature permet de réaliser une ossature bidirectionnelle rigide sur laquelle peuvent venir se fixer des plaques de parement. Sa rigidité la rend intéressante pour réaliser un montage feu d'un plafond. Toutefois, il a également été constaté qu'une ossature de ce type pouvait très bien être utilisée, avec de nombreux avantages, pour la réalisation d'un doublage isolant d'un mur.This framework allows for a rigid bidirectional framework on which can be fixed facing plates. Its rigidity makes it interesting to make a fire montage of a ceiling. However, it has also been found that a frame of this type could very well be used, with many advantages, for the realization of an insulating doubling of a wall.

Une telle ossature présente donc l'avantage tout d'abord de pouvoir utiliser des rails profilés classiques de l'art antérieur, avec juste des modifications mineures, permettant ainsi d'être compatible avec les éléments existants. De plus, une telle ossature peut être utilisée pour le montage d'un plafond "classique", d'un montage résistant au feu d'un plafond mais aussi pour la réalisation d'un doublage thermique d'un mur.Such a frame therefore has the advantage first of all to be able to use conventional profiled rails of the prior art, with just minor modifications, thus making it possible to be compatible with the existing elements. In addition, such a frame can be used for mounting a "classic" ceiling, a fire resistant mounting of a ceiling but also for the realization of a thermal doubling of a wall.

Pour un meilleur maintien des entretoises sur les rails profilés, des moyens de verrouillage sont avantageusement prévus à une extrémité au moins d'une entretoise.For better support of the spacers on the profiled rails, locking means are advantageously provided at one end of at least one spacer.

Dans une forme de réalisation préférée, chaque entretoise porte des moyens d'encliquetage tandis que les seconds moyens de fixation comportent des moyens d'encliquetage complémentaires. Les moyens d'encliquetage de l'entretoise sont une forme de réalisation des moyens de verrouillage mentionnés plus haut. Les moyens d'encliquetage complémentaires peuvent être simplement une lumière pour le passage des moyens d'encliquetage de l'entretoise.In a preferred embodiment, each spacer carries latching means while the second fastening means comprise complementary latching means. The latching means of the spacer is an embodiment of the locking means mentioned above. The complementary latching means may simply be a light for the passage of the latching means of the spacer.

Avantageusement les entretoises présentent la même hauteur que les rails profilés. Dans ce cas, les seconds moyens de fixation sur les rails profilés sont de préférence centrés sur la hauteur de la face latérale correspondante et symétriques par rapport à l'axe longitudinal médian de ladite face latérale. De cette manière, le montage de l'entretoise sur le rail longitudinal est réversible : l'entretoise peut être montée dans un sens ou dans l'autre par rapport au rail longitudinal. Cette caractéristique est avantageuse pour permettre d'utiliser les mêmes entretoises aussi bien pour la réalisation de plafonds que de cloisons de doublage isolant.Advantageously, the spacers have the same height as the profiled rails. In this case, the second fastening means on the profiled rails are preferably centered on the height of the corresponding lateral face and symmetrical with respect to the median longitudinal axis of said lateral face. In this way, the mounting of the spacer on the longitudinal rail is reversible: the spacer can be mounted in one direction or the other with respect to the longitudinal rail. This feature is advantageous for allowing the same spacers to be used both for the production of ceilings and partition walls. insulating lining.

Une forme de réalisation préférée prévoit que chaque entretoise présente une forme profilée en U avec une base et deux flancs latéraux et que la base de l'entretoise est prolongée au niveau des extrémités de l'entretoise par une languette découpée et éventuellement pliée et/ou emboutie de manière à former les premiers moyens de fixation.A preferred embodiment provides that each spacer has a U-shaped shape with a base and two lateral flanks and that the base of the spacer is extended at the ends of the spacer by a cut tab and optionally folded and / or pressed to form the first fastening means.

Dans une variante de réalisation, chaque entretoise présente une forme profilée en U avec une base et deux flancs latéraux, la base de l'entretoise est prolongée au niveau des extrémités de l'entretoise par une languette découpée et ladite languette est par exemple découpée et/ou pliée de manière à former une patte destinée à venir en appui sous le fond d'un rail longitudinal.In an alternative embodiment, each spacer has a U-shaped shape with a base and two lateral flanks, the base of the spacer is extended at the ends of the spacer by a cut tab and said tongue is for example cut and / or folded so as to form a tab intended to bear against the bottom of a longitudinal rail.

Selon une autre variante de réalisation de l'invention, les premiers moyens de fixation portés par une entretoise comportent par exemple une patte sensiblement plane et parallèle au fond d'un rail longitudinal, patte de laquelle fait saillie un clips ; les seconds moyens de fixation portés par le rail longitudinal comportent une fente dans laquelle peut s'introduire la patte et le clips, ce dernier étant disposé de manière à permettre l'introduction de la patte dans la fente mais à interdire un retrait de la patte hors de la fente.According to another embodiment of the invention, the first fastening means carried by a spacer comprise for example a substantially flat lug and parallel to the bottom of a longitudinal rail, the leg of which projects a clip; the second fastening means carried by the longitudinal rail comprise a slot in which can be introduced the tab and the clip, the latter being arranged to allow the insertion of the tab into the slot but to prohibit withdrawal of the tab out of the slot.

Dans une autre variante de réalisation d'une ossature selon l'invention, l'entretoise présente une plaque transversale d'extrémité portant un embouti de taille et de forme adaptées à la taille et à la forme d'une ouverture formée dans une paroi latérale du rail profilé longitudinal et formant les seconds moyens de fixation. Dans cette variante, des moyens de verrouillage peuvent être prévus en ce que l'embouti se présente sous la forme d'une nervure, et en ce qu'une découpe est réalisée à la base de la nervure parallèlement à la plaque sur une partie de la longueur de la nervure.In another alternative embodiment of a frame according to the invention, the spacer has a transverse end plate bearing a stamp of size and shape adapted to the size and shape of an opening formed in a side wall. longitudinal profiled rail and forming the second fixing means. In this variant, locking means may be provided in that the stamping is in the form of a rib, and in that a cut is made at the base of the rib parallel to the plate on a portion of the length of the rib.

La présente invention concerne également un plafond, caractérisé en ce qu'il comporte une ossature telle que décrite ci-dessus ainsi que des plaques de parement vissées sur les fonds des rails profilés longitudinaux du côté opposé aux faces latérales desdits rails. Pour permettre la fixation de plaques de parement tant sur les fonds des rails longitudinaux que sur les bases des entretoises, les fonds des rails profilés se trouvent avantageusement sensiblement dans le même plan que les bases des entretoises pour un tel plafond. Les plaques de parement sont alors avantageusement vissées dans des bases d'entretoises.The present invention also relates to a ceiling, characterized in that it comprises a frame as described above as well as facing plates screwed to the bottom of the longitudinal profiled rails on the opposite side to the lateral faces of said rails. To allow the attachment of facing plates both on the bottom of the longitudinal rails and on the bases of the spacers, the bottom of the profiled rails are advantageously substantially in the same plane as the bases of the spacers for such a ceiling. The facing plates are then advantageously screwed into strut bases.

La présente invention concerne également une cloison, caractérisée en ce qu'elle comporte une ossature telle que décrite ci-dessus ainsi que des plaques de parement vissées sur les fonds des rails profilés longitudinaux du côté opposé aux faces latérales desdits rails. Dans une telle cloison, les entretoises présentent par exemple une section transversale en U avec une base et deux flancs latéraux et sont montées de préférence horizontalement entre les rails profilés verticaux de telle sorte que les bases des entretoises sont disposées à l'opposé des fonds des rails longitudinaux. Dans ce cas, certaines entretoises au moins sont de préférence fixées sur un support tel un mur ou similaire. L'ossature, c'est-à-dire tant les entretoises que les rails profilés longitudinaux, est alors parfaitement fixée sur le mur ou similaire. Une forme de réalisation d'une telle cloison prévoit que la fixation d'au moins une entretoise est assurée par une cheville présentant une partie tubulaire déformable, et que la cheville s'étend perpendiculairement à la base de l'entretoise de telle sorte que la partie tubulaire déformable se trouve de part et d'autre de la base. Cette forme de réalisation permet un parfait maintien de l'entretoise par rapport au support sur lequel l'ossature est fixée.The present invention also relates to a partition, characterized in that it comprises a frame as described above as well as facing plates screwed to the bottom of longitudinal profiled rails on the opposite side to the lateral faces of said rails. In such a partition, the spacers have, for example, a U-shaped cross section with a base and two lateral flanks and are preferably mounted horizontally between the vertical profiled rails so that the bases of the spacers are arranged opposite the bottom of the channels. longitudinal rails. In this case, at least some spacers are preferably fixed on a support such as a wall or the like. The frame, that is to say both the spacers and the longitudinal profiled rails, is then perfectly fixed on the wall or the like. An embodiment of such a partition provides that the fixing of at least one spacer is provided by an anchor having a deformable tubular portion, and that the anchor extends perpendicular to the base of the spacer so that the deformable tubular part is located on both sides of the base. This embodiment allows a perfect hold of the spacer relative to the support on which the frame is fixed.

Des détails et avantages de la présente invention ressortiront mieux de la description qui suit, faite en référence aux dessins schématiques annexés sur lesquels :

  • La figure 1 représente en perspective un détail d'une ossature selon l'invention,
  • La figure 2 montre en coupe de manière schématique les moyens de fixation entre une entretoise et un profilé d'une ossature selon l'invention,
  • La figure 3 correspond à la figure 2 dans une variante de réalisation,
  • La figure 4 correspond à la figure 2 pour une autre variante de réalisation,
  • La figure 5 montre en vue de dessus l'extrémité de l'entretoise de la figure 4,
  • La figure 6 est une vue correspondant à la figure 2 pour une autre variante de réalisation de l'invention,
  • La figure 7 est une vue de dessus, à échelle réduite, de l'extrémité de l'entretoise de la figure 6,
  • La figure 8 montre une autre variante de réalisation d'une entretoise pour une ossature selon l'invention, montrée schématiquement en coupe,
  • La figure 9 est une vue en coupe selon la ligne de coupe IX-IX de la figure 8,
  • Les figures 10 et 11 correspondent chacune à la figure 2 et montrent un rail profilé et une entretoise respectivement avant et après encliquetage de l'un dans l'autre,
  • La figure 12 est une vue en coupe selon la ligne de coupe XII-XII de la figure 11,
  • La figure 13 est une vue de face de l'extrémité d'une entretoise selon l'invention,
  • La figure 14 est une vue de côté d'un profilé correspondant à l'entretoise de la figure 13,
  • La figure 15 montre en vue de côté l'entretoise de la figure 13 faisant face au profilé de la vue de la figure 14,
  • La figure 16 est une vue correspondant à celle de la figure 13 pour une variante de réalisation de l'invention,
  • La figure 17 est une vue correspondant à la figure 15 pour la variante de réalisation de la figure 16,
  • La figure 18 est une vue en perspective de deux éléments d'une autre ossature selon l'invention,
  • La figure 19 montre en perspective les deux éléments de la figure 18 en position assemblée et verrouillée pour la réalisation d'un plafond,
  • La figure 20 montre en perspective les deux éléments de la figure 18 en position assemblée et verrouillée pour la réalisation d'une cloison, et
  • Les figures 21A et 21B montrent des moyens de fixation pour une ossature selon l'invention.
Details and advantages of the present invention will emerge more clearly from the description which follows, made with reference to the appended diagrammatic drawings in which:
  • FIG. 1 represents in perspective a detail of a frame according to the invention,
  • FIG. 2 schematically shows in section the means for fixing between a spacer and a section of a framework according to the invention,
  • FIG. 3 corresponds to FIG. 2 in an alternative embodiment,
  • FIG. 4 corresponds to FIG. 2 for another variant embodiment,
  • FIG. 5 shows in plan view the end of the spacer of FIG. 4,
  • FIG. 6 is a view corresponding to FIG. 2 for another variant embodiment of the invention,
  • FIG. 7 is a top view, on a reduced scale, of the end of the spacer of FIG. 6,
  • FIG. 8 shows another alternative embodiment of a spacer for a framework according to the invention, shown schematically in section,
  • FIG. 9 is a sectional view along section line IX-IX of FIG. 8,
  • FIGS. 10 and 11 each correspond to FIG. 2 and show a profiled rail and a spacer respectively before and after snapping into each other,
  • FIG. 12 is a sectional view along section line XII - XII of FIG. 11,
  • FIG. 13 is a front view of the end of a spacer according to the invention,
  • FIG. 14 is a side view of a profile corresponding to the spacer of FIG. 13,
  • FIG. 15 shows in side view the spacer of FIG. 13 facing the profile section of the view of FIG. 14,
  • FIG. 16 is a view corresponding to that of FIG. 13 for an alternative embodiment of the invention,
  • FIG. 17 is a view corresponding to FIG. 15 for the variant embodiment of FIG. 16,
  • FIG. 18 is a perspective view of two elements of another framework according to the invention,
  • FIG. 19 shows in perspective the two elements of FIG. 18 in the assembled and locked position for the production of a ceiling,
  • FIG. 20 shows in perspective the two elements of FIG. 18 in the assembled and locked position for the realization of a partition, and
  • Figures 21A and 21B show attachment means for a frame according to the invention.

La figure 1 représente tout d'abord un rail profilé 2. Il s'agit d'un rail tel ceux habituellement utilisés pour réaliser une ossature de plafond ou de cloison, avec de légères modifications qui seront expliquées plus loin.Figure 1 shows first a profiled rail 2. It is a rail as those usually used to achieve a ceiling or partition frame, with slight modifications that will be explained later.

A la base, le rail profilé 2 de la figure 1 correspond par exemple à un rail profilé de type F530 commercialisé par la Société PLACOPLATRE. Dans ce cas, il s'agit d'un profilé en acier galvanisé. Ce profilé présente un fond 4, des faces latérales 6 et dans le mode de réalisation préféré représenté sur la figure 1 également des rebords 8.At the bottom, the profiled rail 2 of FIG. 1 corresponds for example to a F530 type profiled rail marketed by PLACOPLATRE. In this case, it is a galvanized steel profile. This profile has a bottom 4, side faces 6 and in the preferred embodiment shown in Figure 1 also flanges 8.

Le fond 4 est sensiblement plan et est destiné à servir d'appui à une plaque de parement. Il reçoit également des vis de fixation lors de la fixation d'une plaque de parement sur l'ossature.The bottom 4 is substantially planar and is intended to serve as a support for a facing plate. It also receives fixing screws during the fixing of a facing plate on the frame.

Les faces latérales sont elles aussi sensiblement planes et s'étendent de part et d'autre du fond 4, perpendiculairement à celui-ci. Les rebords 8 sont disposés au niveau du bord libre des faces latérales 6 et s'étendent l'un vers l'autre sensiblement parallèlement au fond 4. Ces rebords 8 coopèrent par exemple avec un pied de suspente pour permettre la fixation du rail profilé 2.The lateral faces are also substantially flat and extend on either side of the bottom 4, perpendicular to it. The flanges 8 are arranged at the free edge of the side faces 6 and extend towards each other substantially parallel to the bottom 4. These flanges 8 cooperate for example with a hanger foot to allow the fixing of the profiled rail 2 .

Comme on peut le remarquer sur la figure 1, les faces latérales 6 du rail profilé 2 présentent des moyens de fixation disposés à intervalles réguliers. Dans la forme de réalisation de la figure 1, ces moyens de fixation sont constitués par des lumières 10 de forme rectangulaire, allongée et étroite. Ces lumières 10 sont disposées longitudinalement par rapport aux faces latérales 6 et se trouvent chacune à mi-hauteur de la face latérale 6 correspondante. Les lumières 10 d'une face latérale 6 font à chaque fois face à une lumière 10 de la face latérale 6 opposée.As can be seen in Figure 1, the side faces 6 of the profiled rail 2 have fastening means arranged at regular intervals. In the embodiment of Figure 1, these fastening means are constituted by slots 10 of rectangular shape, elongate and narrow. These slots 10 are arranged longitudinally with respect to the lateral faces 6 and are each halfway up the corresponding lateral face 6. The lights 10 of a side face 6 each face a light 10 of the opposite side face 6.

Ces lumières sont par exemple usinées sur la ligne de fabrication du rail profilé 2 après profilage de celui-ci. Le pas entre les lumières 10 est par exemple de 0,60m.These lights are for example machined on the production line of the profiled rail 2 after profiling thereof. The pitch between the lights 10 is for example 0.60m.

La figure 1 représente également une entretoise 12. La forme globale de cette entretoise est celle d'une pièce profilée en U avec une base 14 et deux flancs latéraux 16. Cette entretoise 12 est par exemple réalisée en acier galvanisé. La hauteur de l'entretoise correspond par exemple à la hauteur du rail profilé 2. La longueur de l'entretoise dépend de la distance devant séparer deux rails longitudinaux 2 de l'ossature à réaliser. La longueur de cette entretoise correspondra à la valeur du pas des rails longitudinaux 2 diminuée de la largeur d'un rail. Ainsi, en utilisant par exemple des rails longitudinaux 2 de type F530, pour réaliser une ossature avec des rails longitudinaux 2 disposés au pas de 0,60m la longueur des entretoises sera de 0,55m. Cette longueur d'entretoise correspond à la longueur des flancs latéraux 16. Pour des rails longitudinaux disposés au pas de 0,50m, la longueur des entretoises 12 sera de 0,45m.Figure 1 also shows a spacer 12. The overall shape of this spacer is that of a U-shaped piece with a base 14 and two side flanks 16. This spacer 12 is for example made of galvanized steel. The height of the spacer corresponds for example to the height of the profiled rail 2. The length of the spacer depends on the distance to separate two longitudinal rails 2 of the frame to achieve. The length of this spacer will correspond to the value of the pitch of the longitudinal rails 2 less the width of a rail. Thus, using, for example, longitudinal rails 2 of the F530 type, to make a frame with longitudinal rails 2 arranged at a pitch of 0.60m, the length of the spacers will be 0.55m. This spacer length corresponds to the length of the side flanks 16. For longitudinal rails arranged at a pitch of 0.50m, the length of the spacers 12 will be 0.45m.

On remarque qu'à chacune de ses extrémités, l'entretoise 12 porte des moyens de fixation. Ces derniers sont réalisés par pliage et découpe d'un prolongement du fond 14 de la partie profilée de l'entretoise 12. La présente description propose plusieurs formes de réalisation de ces moyens de fixation. Ceux-ci sont représentés plus en détail sur les figures 2 à 19. La forme de réalisation montrée sur la figure 1 est une forme simplifiée des formes de réalisation des figures 2 et 3.Note that at each of its ends, the spacer 12 carries fixing means. These are made by folding and cutting an extension of the bottom 14 of the profiled portion of the spacer 12. The present description proposes several embodiments of these fastening means. These are shown in more detail in Figures 2 to 19. The embodiment shown in Figure 1 is a simplified form of the embodiments of Figures 2 and 3.

Dans une forme de réalisation préférée, une ossature selon l'invention comporte des rails longitudinaux 2 disposés parallèlement les uns aux autres à un pas prédéterminé, par exemple 0,50m ou 0,60m. Ces rails sont reliés par des entretoises 12 s'étendant perpendiculairement aux rails profilés 2. Ces entretoises sont fixées à leurs deux extrémités aux rails qu'elles relient.In a preferred embodiment, a frame according to the invention comprises longitudinal rails 2 arranged parallel to each other at a predetermined pitch, for example 0.50m or 0.60m. These rails are connected by spacers 12 extending perpendicular to the profiled rails 2. These spacers are fixed at both ends to the rails they connect.

Les rails longitudinaux sont par exemple dans un plan horizontal pour réaliser un plafond ou éventuellement dans un plan vertical pour réaliser une cloison. Dans le cas d'un plafond, les rails longitudinaux 2 peuvent être fixés de manière connue en sous face d'un plancher à l'aide de suspentes connues de l'homme du métier. On peut également utiliser pour la mise en place des rails profilés des coulisses de rive (non représentées) connues de l'homme du métier. Il s'agit par exemple de coulisses de rive de la Société PLACOPLATRE commercialisées sous l'appellation STIL® F530. Ces coulisses de rive sont éventuellement adaptées pour le pas choisi.The longitudinal rails are for example in a horizontal plane to achieve a ceiling or possibly in a vertical plane to achieve a partition. In the case of a ceiling, the longitudinal rails 2 can be fixed in a known manner on the underside of a floor using hangers known to those skilled in the art. It is also possible to use profiled rails for the edge slides (not shown) known to those skilled in the art. These are, for example, edge slides of PLACOPLATRE sold under the name STIL ® F530. These edge slides are optionally adapted to the chosen pitch.

La mise en place d'une ossature selon l'invention est très proche de celle d'une ossature classique. En effet, les rails longitudinaux 2 sont montés de manière classique, au pas souhaité. Il convient uniquement de veiller que les moyens de fixation de deux rails profilés 2 voisins soient alignés. Ensuite, des entretoises sont mises en place entre les rails profilés. De préférence, ces entretoises 12 sont simplement encliquetées sur les rails longitudinaux 2 de l'ossature. Selon les caractéristiques du plafond ou de la cloison que l'on souhaite réaliser, on peut alors utiliser des entretoises par exemple tous les 0,60m ou tous les 1,2m voire même sans entretoise pour un montage "classique".The establishment of a framework according to the invention is very close to that of a conventional framework. Indeed, the longitudinal rails 2 are mounted in a conventional manner, at the desired pitch. It is only necessary to ensure that the fastening means of two adjacent profiled rails 2 are aligned. Then, spacers are put in place between the profiled rails. Preferably, these spacers 12 are simply snapped onto the longitudinal rails 2 of the frame. Depending on the characteristics of the ceiling or the partition that one wishes to make, one can then use spacers for example every 0.60m or every 1.2m or even without spacer for a "conventional" mounting.

Une telle ossature peut être également avantageusement utilisée pour la réalisation d'un doublage isolant, par exemple en polystyrène expansé, tant dans les constructions neuves que pour la rénovation de bâtiments existants.Such a framework can also be advantageously used for producing an insulating lining, for example expanded polystyrene, both in new buildings and for the renovation of existing buildings.

Dans une forme de réalisation préférée, l'isolation thermique est assurée par des éléments en polystyrène expansé ou par des éléments en polystyrène expansé et élastifié. Avec une ossature selon l'invention, les caractéristiques du polystyrène peuvent être adaptées aux besoins réels pour l'isolation car, comme il ressort de ce qui va suivre, les éléments isolants utilisés n'ont aucune fonction mécanique, contrairement à l'utilisation par exemple de doublages collés. Toutes les épaisseurs d'isolant peuvent être envisagées. On peut également prévoir des éléments plans ou bien des éléments rainurés pour le passage de canalisations. Il peut s'agir de panneaux hauteur d'étage à bords francs ou à bords longitudinaux assemblés par tenons et mortaises, ou bien de carreaux assemblés par tenons et mortaises sur les quatre côtés.In a preferred embodiment, the thermal insulation is provided by expanded polystyrene elements or by expanded and elasticized polystyrene elements. With a framework according to the invention, the characteristics of the polystyrene can be adapted to the real needs for the insulation because, as it follows from what follows, the insulating elements used have no mechanical function, unlike the use for example glued doublings. All thicknesses of insulation can be considered. It is also possible to provide flat elements or grooved elements for the passage of pipes. It can be floor boards with straight edges or longitudinal edges assembled by tenons and mortises, or tiles assembled by tenons and mortises on all four sides.

Les isolants sont maintenus sur le mur support par simple collage (mortier ou mastic) sur une dalle finie ou bien sur un sol brut.The insulators are held on the support wall by simple bonding (mortar or putty) on a finished slab or on a bare floor.

L'ossature est une ossature telle que décrite plus haut. Elle présente des rails longitudinaux disposés verticalement et des entretoises disposées horizontalement. Des coulisses hautes et basses sont avantageusement utilisées pour faciliter la mise en place des rails longitudinaux. Elles sont maintenues au sol et en sous face de plancher par des fixations mécaniques.The framework is a framework as described above. It has longitudinal rails arranged vertically and spacers arranged horizontally. High and low slides are advantageously used to facilitate the installation of the longitudinal rails. They are maintained on the floor and under the floor by mechanical fasteners.

Les rails longitudinaux, verticaux, sont alors emboîtés et disposés par exemple au pas de 0,6m entre les coulisses en prévoyant en tête un jeu de l'ordre de 10mm.The longitudinal rails, vertical, are then nested and arranged for example at a step of 0.6m between the scenes by providing at the head a game of the order of 10mm.

Une première ligne d'entretoises est disposée de préférence à une hauteur de 1,30m du sol. Ici, les entretoises sont fixées de telle sorte que la base de chaque entretoise est disposée du côté des isolants. Contrairement au montage d'un plafond, les bases des entretoises ne se trouvent donc pas dans le même plan que les fonds des rails longitudinaux. D'autres lignes d'entretoises peuvent ensuite être mises en place.A first line of spacers is preferably arranged at a height of 1.30m from the ground. Here, the spacers are fixed so that the base of each spacer is disposed on the side of the insulators. Unlike the mounting of a ceiling, the bases of the spacers are therefore not in the same plane as the bottom of the longitudinal rails. Other lines of spacers can then be put in place.

Les entretoises sont alors percées, par exemple en leur centre, et peuvent être chevillées à travers le trou réalisé sur le mur support. Par l'intermédiaire des chevilles et des entretoises, l'ossature toute entière, et donc aussi les rails longitudinaux verticaux destinés à recevoir les plaques de parement, est solidement fixée au mur support.The spacers are then drilled, for example in their center, and can be pegged through the hole made on the support wall. Through the pins and spacers, the entire frame, and thus also the vertical longitudinal rails for receiving the facing plates, is securely fixed to the support wall.

Lorsque des ouvertures sont prévues dans la paroi, ce qui est souvent le cas, on peut également utiliser des platines métalliques disposées au droit des lumières des profilés d'ossatures verticaux destinées à recevoir les entretoises recoupées au droit des menuiseries et/ou des angles rentrants ou sortants.When openings are provided in the wall, which is often the case, it is also possible to use metal plates arranged in line with the lights of the vertical framework profiles intended to receive the intersected spacers to the right of joinery and / or re-entrant angles or outgoing.

Des équerres de liaison métalliques permettant de solidariser des profilés d'ossature verticaux peuvent également être utilisées au droit des angles rentrants et sortants.Metal connecting brackets for securing vertical structural sections can also be used to the right of the incoming and outgoing angles.

Sur la figure 2 une coupe de la liaison entre un rail profilé 2 et une entretoise 12 est schématisée. Le rail profilé 2 est coupé transversalement tandis que l'entretoise 12 est coupée longitudinalement.In Figure 2 a section of the connection between a profiled rail 2 and a spacer 12 is shown schematically. The profiled rail 2 is cut transversely while the spacer 12 is cut longitudinally.

On reconnaît sur la figure 2 le fond 4 du rail profilé, une face latérale 6 et le rebord 8 correspondant. La coupe est réalisée au niveau d'une lumière 10. Du côté de l'entretoise 12, on reconnaît la base 14 et un flanc latéral 16 de celle-ci. L'entretoise 12 comporte en outre deux pattes d'appui 18, un bras 20 et une patte d'encliquetage 22 portant un clips 24. Tous ces éléments sont obtenus par découpe et pliage d'une languette qui au départ prolonge la base 14 de l'entretoise 12.It is recognized in Figure 2 the bottom 4 of the profiled rail, a side face 6 and the corresponding flange 8. The cut is made at a light 10. On the side of the spacer 12, the base 14 is recognized and a side flank 16 thereof. The spacer 12 further comprises two support lugs 18, an arm 20 and a latching lug 22 carrying a clip 24. All these elements are obtained by cutting and folding a tongue which initially extends the base 14 of the spacer 12.

Les pattes d'appui 18 sont disposées latéralement et s'étendent dans le plan de la base 14. Elles se trouvent du côté des flancs latéraux 16 et le bras 20 avec sa patte d'encliquetage 22 se trouve entre les deux pattes d'appui 18.The support lugs 18 are arranged laterally and extend in the plane of the base 14. They are on the side of the side flanks 16 and the arm 20 with its latching lug 22 is between the two support lugs. 18.

La patte d'encliquetage 22 est destinée à coopérer avec la lumière 10 du rail profilé 2. Les dimensions de la lumière 10 sont donc adaptées aux dimensions de la patte d'encliquetage 22 et inversement. Les dimensions du bras 20 sont également adaptées. La longueur du bras 20 correspond ainsi sensiblement à la distance séparant la lumière 10 du fond 4 (aux épaisseurs de tôle près). La patte d'encliquetage 22 est montée sensiblement à angle droit par rapport au bras 20. Ce dernier est quant à lui plié par rapport à la base 14 de manière à pouvoir pivoter par rapport à celui-ci, entraînant avec lui la patte d'encliquetage 22.The latching lug 22 is intended to cooperate with the light 10 of the profiled rail 2. The dimensions of the light 10 are therefore adapted to the dimensions of the latching lug 22 and vice versa. The dimensions of the arm 20 are also adapted. The length of the arm 20 thus substantially corresponds to the distance separating the light 10 from the bottom 4 (to the sheet thicknesses close). The latching lug 22 is mounted substantially at right angles to the arm 20. The latter is folded relative to the base 14 so as to be pivotable relative thereto, driving with it the leg of snapping 22.

La patte d'encliquetage 22 porte un clips 24. Ce dernier vient en saillie au-dessus de la patte d'encliquetage 22. Il est relié élastiquement à celle-ci. De manière classique, la forme de ce clips est sensiblement rectangulaire et le clips 24 est obtenu par découpe dans la patte d'encliquetage 22. Trois côtés du clips 24 sont découpés tandis que le quatrième côté, le plus proche de l'extrémité libre de la patte d'encliquetage 22 correspond à une ligne de pliage. De cette manière, comme illustré sur les dessins, la patte d'encliquetage 22 peut facilement s'introduire dans la lumière 10. De manière connue de l'homme du métier, lors du passage de la patte dans la lumière 10, le clips 24 se replie pour se retrouver sensiblement dans le plan de la patte d'encliquetage 22 et reprend sa position en saillie au-dessus de la patte d'encliquetage 22 une fois qu'il a traversé la lumière 10. Il forme alors une butée empêchant le retrait involontaire de la patte d'encliquetage 22 hors de la lumière 10.The latching lug 22 carries a clip 24. The latter protrudes above the latching tab 22. It is elastically connected thereto. Conventionally, the shape of this clip is substantially rectangular and the clip 24 is obtained by cutting into the latching tab 22. Three sides of the clips 24 are cut while the fourth side, the closest to the free end of the latching lug 22 corresponds to a fold line. In this way, as illustrated in the drawings, the latching lug 22 can easily be introduced into the light 10. In a manner known to those skilled in the art, during the passage of the tab in the light 10, the clip 24 folds to be substantially in the plane of the latching lug 22 and resumes its protruding position above the latching lug 22 once it has passed through the light 10. It then forms a stop preventing the latching lug. involuntary withdrawal of the leg latching 22 out of the light 10.

Les caractéristiques décrites ci-dessus se retrouvent sur le mode de réalisation des moyens de fixation de la figure 1. Par rapport à cette forme de réalisation, la figure 2 prévoit en outre un bouton 26 d'actionnement et une ouverture 28 dans la base 14 de l'entretoise 12.The characteristics described above are found in the embodiment of the fastening means of FIG. 1. With respect to this embodiment, FIG. 2 furthermore provides an actuating button 26 and an opening 28 in the base 14. of the spacer 12.

Le bouton 26 d'actionnement est disposé sur le bras 20 du côté de l'intérieur de l'entretoise 12. L'ouverture 28 est quant à elle réalisée dans la base 14 de l'entretoise 12 à proximité du bras 20. Cette ouverture 28 sert d'accès au bras 20 et à son bouton 26 d'actionnement. En effet, dans cette forme de réalisation, en position de repos, le bras 20 est replié vers l'intérieur de l'entretoise 12. Pour réaliser un encliquetage, il convient alors de venir pousser la patte d'encliquetage 22 dans la lumière 10 comme suggéré par la flèche représentée sur la figure 2. Lors de la mise en place des entretoises 12 entre les rails longitudinaux 2, on agit au travers de l'ouverture 28, par l'intermédiaire du bouton 26 d'actionnement sur le bras 20, et donc sur la patte d'encliquetage 22, pour faire passer le clips 24 entièrement au travers de l'ouverture 10 correspondante.The actuating button 26 is disposed on the arm 20 on the inside of the spacer 12. The opening 28 is in turn made in the base 14 of the spacer 12 near the arm 20. This opening 28 serves as access to the arm 20 and its actuating button 26. Indeed, in this embodiment, in the rest position, the arm 20 is folded towards the inside of the spacer 12. To make a snap, it is then necessary to push the latching lug 22 into the light 10 as suggested by the arrow shown in Figure 2. When placing the spacers 12 between the longitudinal rails 2, is acted through the opening 28, through the button 26 of actuation on the arm 20 , and thus on the latching lug 22, to pass the clip 24 entirely through the corresponding opening 10.

La figure 3 montre une variante de réalisation de la figure 2. Ici, le bouton 26 d'actionnement est remplacé par un ergot 30. Alors que le bouton 26 d'actionnement est plus particulièrement adapté à être actionné à l'aide d'un doigt, l'ergot 30 est plutôt adapté à être actionné avec l'extrémité de la lame d'un tournevis.FIG. 3 shows an alternative embodiment of FIG. 2. Here, the actuating button 26 is replaced by a lug 30. While the actuating button 26 is more particularly adapted to be actuated using a finger, the lug 30 is rather adapted to be actuated with the end of the blade of a screwdriver.

La variante de réalisation des figures 4 et 5 est une variante simplifiée. Il n'est pas prévu ici de patte d'appui. En outre, on ne retrouve pas d'organe pour agir sur le bras 20 ni d'ouverture dans la base 14 de l'entretoise 12. La forme du clips 24 est légèrement différente de la forme décrite plus haut. En effet, le clips est ici de forme circulaire et une forme bombée lui a été donnée. Comme on peut le voir notamment sur la figure 5, le clips 24 est découpé sur la quasi-totalité de son pourtour sauf sur un petit arc de cercle à proximité du bord libre de la patte d'encliquetage 22, à l'opposé du bras 20. En outre, au repos, le bras 20 est incliné vers l'extérieur de l'entretoise 12, c'est-à-dire vers un éventuel rail profilé 2. En mettant en place cette entretoise 12 contre un rail profilé 2, dans la mesure où la patte d'encliquetage 22 se trouve face à une lumière 10, l'encliquetage de l'entretoise 12 sur le rail profilé 2 se réalise automatiquement. Il est donc inutile a priori de prévoir une ouverture dans la base 14 de l'entretoise à proximité du bras 20.The variant embodiment of FIGS. 4 and 5 is a simplified variant. There is no provision for a support leg. In addition, there is no member for acting on the arm 20 or opening in the base 14 of the spacer 12. The shape of the clip 24 is slightly different from the form described above. Indeed, the clip is here circular and a convex shape has been given. As can be seen in particular in Figure 5, the clip 24 is cut on almost all of its periphery except on a small circular arc near the free edge of the latching lug 22, opposite the arm 20. In addition, at rest, the arm 20 is inclined towards the outside of the spacer 12, that is to say towards a possible profiled rail 2. By placing this spacer 12 against a profiled rail 2, insofar as the latching lug 22 is facing a slot 10, the snap of the spacer 12 on the profiled rail 2 is automatically realized. It is therefore unnecessary a priori to provide an opening in the base 14 of the spacer close to the arm 20.

La forme de réalisation des figures 6 et 7 est très proche de celle des figures 2 et 3. La différence se situe ici au niveau du bras 20. Ce bras 20 ne présente ni bouton 26 d'actionnement, ni ergot 30. Il présente par contre un trou 32 destiné par exemple au passage d'une vis pour fixer l'entretoise 12 sur le rail longitudinal 2.The embodiment of FIGS. 6 and 7 is very close to that of FIGS. 2 and 3. The difference is here at the level of the arm 20. This arm 20 has neither actuating button 26 nor pin 30. It presents by against a hole 32 for example for the passage of a screw to fix the spacer 12 on the longitudinal rail 2.

Les figures 8 et 9 présentent une forme de réalisation modifiée par rapport à la forme de réalisation des figures 6 et 7. Cette variante de réalisation permet de facilement désolidariser l'entretoise 12 du rail longitudinal 2 sur lequel elle est montée. A cet effet, un levier 34 est associé au clips 24. Ce levier 34 est d'une seule pièce avec le clips 24. Cette pièce est obtenue par découpe et pliage dans la patte d'encliquetage 22 et le bras 20. Le levier 34 s'étend vers l'entretoise. Une fois l'entretoise 12 montée sur un rail profilé 2, le levier 34 fait saillie à l'intérieur de l'entretoise 12. Il suffit alors d'appuyer sur ce levier 34 en direction de la base 14 pour pouvoir retirer la patte d'encliquetage 22 hors de la lumière 10 correspondante. On remarque ici que dans ce cas la taille de la lumière 10 est supérieure à celle des lumières pour les formes de réalisation décrites plus haut.Figures 8 and 9 show a modified embodiment with respect to the embodiment of Figures 6 and 7. This embodiment allows to easily separate the spacer 12 of the longitudinal rail 2 on which it is mounted. For this purpose, a lever 34 is associated with the clips 24. This lever 34 is in one piece with the clips 24. This piece is obtained by cutting and folding in the latching lug 22 and the arm 20. The lever 34 extends towards the spacer. Once the spacer 12 mounted on a profiled rail 2, the lever 34 protrudes inside the spacer 12. It is then sufficient to press the lever 34 towards the base 14 to remove the bracket. snap 22 out of the corresponding light 10. Note here that in this case the size of the light 10 is greater than that of the lights for the embodiments described above.

Les figures 10 à 12 représentent une autre forme de réalisation de moyens de fixation d'une entretoise 12 sur un rail profilé 2 d'une ossature selon l'invention. Dans cette forme de réalisation, on trouve une patte d'appui 18 centrale et un bras 20 de taille nettement supérieure aux bras 20 des autres formes de réalisation. Ici, le bras 20 s'étend sur toute la hauteur d'une face latérale 6 d'un rail profilé 2. Il comporte en outre à son extrémité libre un rebord d'accrochage 36. En vue de face (figure 12) le bras 20 présente une forme globale rectangulaire, presque carrée, présentant une ouverture rectangulaire du côté de la base 14 et centrée entre les deux flancs latéraux 16. Cette ouverture, obtenue par exemple par découpe, correspond à la patte d'appui 18 et à la patte d'encliquetage 22. Alors que dans les autres formes de réalisation des figures 1 à 9 la patte d'encliquetage était le prolongement du bras 20, la patte d'encliquetage 22 est ici découpée dans le bras 20. Ceci ne change en rien son fonctionnement. On retrouve également un clips 24 faisant saillie de la patte d'encliquetage 22.Figures 10 to 12 show another embodiment of means for fixing a spacer 12 on a profiled rail 2 of a frame according to the invention. In this embodiment, there is a central support lug 18 and an arm 20 of substantially greater size than the arms 20 of the other embodiments. Here, the arm 20 extends over the entire height of a lateral face 6 of a profiled rail 2. It further comprises at its free end a hooking flange 36. In front view (FIG. 12) the arm 20 has a rectangular overall shape, almost square, having a rectangular opening on the side of the base 14 and centered between the two lateral flanks 16. This opening, obtained for example by cutting, corresponds to the support lug 18 and the leg while in the other embodiments of Figures 1 to 9 the latching lug was the extension of the arm 20, the latching lug 22 is here cut in the arm 20. This does not change in any way its operation. There is also a clip 24 protruding from the latching lug 22.

Les figures 10 et 11 représentent l'entretoise respectivement avant et après fixation sur le rail profilé 2. En position de repos, le bras 20 est incliné vers l'intérieur de l'entretoise 12 après mise en place, l'opérateur vient agir sur le bras 20 comme suggéré par la flèche représentée sur la figure 10 pour faire passer la patte d'encliquetage 22 au travers de la lumière 10 correspondante du rail profilé 2 jusqu'à encliquetage. Une fois encliquetée, l'entretoise 12 est alors parfaitement fixée sur le rail longitudinal 2. Grâce à la patte d'appui 18 et au rebord d'accrochage 36 aucun mouvement perpendiculairement au plan de la base 14 n'est possible et la patte d'encliquetage 22 avec son clips 24 assure le verrouillage dans cette position en empêchant tout mouvement longitudinal.FIGS. 10 and 11 show the spacer respectively before and after fixation on the profiled rail 2. In the rest position, the arm 20 is inclined towards the inside of the spacer 12 after being put in place, the operator comes to act on the arm 20 as suggested by the arrow shown in FIG. 10 for passing the latching lug 22 through the corresponding slot 10 of the profile rail 2 until snapped. Once snapped, the spacer 12 is then perfectly fixed on the longitudinal rail 2. With the support lug 18 and the hooking flange 36 no movement perpendicular to the plane of the base 14 is possible and the leg of the snap 22 with its clips 24 ensures locking in this position by preventing longitudinal movement.

Dans la forme de réalisation des figures 13 à 15, on retrouve au niveau des faces latérales 6 du rail profilé 2 une lumière 10 rectangulaire.In the embodiment of Figures 13 to 15, there is at the side faces 6 of the profile rail 2 a rectangular light 10.

L'extrémité de l'entretoise 12 des figures 13 et 15 est fermée par une plaque 38. Cette dernière ne forme qu'une seule pièce avec la base 14 de l'entretoise 12. Elle est repliée à angle droit à l'extrémité des flancs latéraux 16 et vient reposer contre les bords correspondant de ceux-ci. Un rebord 40 vient recouvrir de chaque côté des extrémités des flancs latéraux 16 de l'entretoise 12. Au centre de la plaque 38, un embouti est réalisé. Cet embouti forme une nervure 42 venant en saillie vers l'extérieur de l'entretoise 12. Pour permettre la réalisation de cet embouti, une découpe 44 est réalisée à chaque extrémité de la nervure 42. Cette dernière s'étend parallèlement à la base 14, à mi-hauteur des flancs latéraux 16. Ses dimensions correspondent aux dimensions de la lumière 10 du rail profilé 2 de la figure 14.The end of the spacer 12 of Figures 13 and 15 is closed by a plate 38. The latter forms a single piece with the base 14 of the spacer 12. It is bent at right angles to the end of the side flanks 16 and comes to rest against the corresponding edges thereof. A flange 40 is covered on each side of the ends of the side flanks 16 of the spacer 12. In the center of the plate 38, a stamping is performed. This stamping forms a rib 42 projecting towards the outside of the spacer 12. To allow the realization of this stamping, a cutout 44 is made at each end of the rib 42. The latter extends parallel to the base 14 at mid-height of the lateral flanks 16. Its dimensions correspond to the dimensions of the light 10 of the profiled rail 2 of FIG. 14.

Comme on le voit mieux sur la figure 15, l'entretoise 12 des figures 13 et 15 comporte également un rebord d'accrochage 36. Ce dernier est destiné à venir en appui sur le rebord 8 correspondant du rail profilé 2.As can be seen more clearly in FIG. 15, the spacer 12 of FIGS. 13 and 15 also comprises a hooking flange 36. The latter is intended to rest on the corresponding flange 8 of the profiled rail 2.

La variante de réalisation des figures 16 et 17 se distingue de la forme de réalisation des figures 13 à 15 par la forme de l'embouti et par la présence de pattes d'appui 18. L'embouti de cette nouvelle forme de réalisation est ici un crevé circulaire 46. La lumière (non représentée) réalisée dans une face latérale 6 d'un rail profilé 2 présente une forme circulaire correspondante.The variant embodiment of FIGS. 16 and 17 differs from the embodiment of FIGS. 13 to 15 in the form of the stamping and by the presence of support lugs 18. The stamp of this new embodiment is here a circular puncture 46. The light (not shown) made in a side face 6 of a profiled rail 2 has a corresponding circular shape.

Les pattes d'appui 18 sont, comme pour les variantes de réalisation concernées décrites précédemment, destinées à venir contre le fond 4 du rail profilé 2. Ces pattes d'appui 18 sont obtenues ici par une découpe réalisée dans la base 14 de l'entretoise 12 et par pliage à 180° par l'extérieur de l'entretoise.The bearing lugs 18 are, as for the variant embodiments concerned described above, intended to come against the bottom 4 of the profiled rail 2. These bearing lugs 18 are obtained here by a cut made in the base 14 of the spacer 12 and by folding 180 ° from the outside of the spacer.

Les figures 18 et 19 montrent une autre variante de réalisation de la forme de réalisation des figures 13 à 15. Cette variante concerne le verrouillage de l'entretoise 12 sur le rail profilé 2, et notamment la nervure 42.Figures 18 and 19 show another alternative embodiment of the embodiment of Figures 13 to 15. This variant relates to the locking of the spacer 12 on the profiled rail 2, and in particular the rib 42.

Cette nouvelle variante de réalisation reprend les divers éléments de la variante des figures 13 à 15. On retrouve ainsi une lumière 10 rectangulaire dans le profilé 2. Au niveau de l'entretoise 12, on retrouve une nervure 42 réalisée sur une plaque 38 fermant une extrémité de l'entretoise 12. La nervure 42 est en saillie vers l'extérieur de l'entretoise et est destinée à coopérer avec la lumière 10 rectangulaire du rail profilé 2. Par rapport à la nervure 42 des figures 13 et 15, la nervure 42 des figures 18 et 19 comporte une découpe 48. Cette dernière est réalisée parallèlement à la plaque 38, à la base de la nervure 42. Elle s'étend sur une partie de la longueur de la nervure, par exemple une partie représentant entre un tiers et la moitié de la longueur de la nervure 42.This new variant incorporates the various elements of the variant of FIGS. 13 to 15. Thus, a rectangular slot 10 is found in the profile 2. At the level of the spacer 12, there is a rib 42 formed on a plate 38 closing a end of the spacer 12. The rib 42 is projecting outwardly of the spacer and is intended to cooperate with the rectangular slot of the profiled rail 2. With respect to the rib 42 of FIGS. 13 and 15, the rib FIGS. 18 and 19 comprise a cutout 48. The latter is made parallel to the plate 38, at the base of the rib 42. It extends over part of the length of the rib, for example a portion representing between a third and half the length of rib 42.

La figure 18 représente l'entretoise 12 face au rail profilé 2. Une double flèche 50 illustre les mouvements à réaliser pour assembler d'une part l'entretoise 12 et le rail profilé 2 et verrouiller d'autre part ces deux éléments. Selon un premier mouvement, transversal par rapport au rail profilé 2, la nervure 42 est introduite à l'intérieur de la lumière 10 correspondante. La découpe 48 de la nervure 42 se trouve alors au niveau d'une face latérale 6 du rail profilé 2. La nervure 42 est alors coulissée avec l'entretoise 12 longitudinalement par rapport au rail profilé 2 de telle sorte que la nervure 42 vienne chevaucher la face latérale au niveau de la découpe 48. On réalise ainsi un verrouillage de l'entretoise 12 sur le rail profilé 2.FIG. 18 shows the spacer 12 facing the profiled rail 2. A double arrow 50 illustrates the movements to be carried out in order to assemble on the one hand the spacer 12 and the profiled rail 2 and to lock these two elements on the other hand. In a first movement, transverse to the profiled rail 2, the rib 42 is inserted into the corresponding slot 10. The cut 48 of the rib 42 is then at a lateral face 6 of the profiled rail 2. The rib 42 is then slid with the spacer 12 longitudinally relative to the profiled rail 2 so that the rib 42 comes to overlap the lateral face at the level of the cutout 48. The spacer 12 is thus locked on the profiled rail 2.

Sur la figure 19, on a représenté partiellement deux plaques de parement 52 fixées sur les éléments d'ossature assemblés dans le cas d'un plafond. Ces plaques de parement 52 sont vissées d'une part sur le fond 4 du rail profilé 2 et d'autre part sur la base 14 de l'entretoise 12. Des lignes 54 en traits mixtes représentent schématiquement les emplacements de vis utilisées pour la fixation des plaques de parement 52. Ces dernières se trouvent, par rapport au fond 4 du rail profilé 2, du côté opposé aux faces latérales 6. Le rail profilé 2 porte ici les plaques de parement 52 comme dans un montage classique de l'art antérieur mais il est aidé ici dans sa fonction de support de plaques par les entretoises 12.In Figure 19, there is shown partially two facing plates 52 fixed on the frame elements assembled in the case of a ceiling. These facing plates 52 are screwed firstly to the bottom 4 of the profiled rail 2 and secondly to the base 14 of the spacer 12. Lines 54 in phantom are schematically the screw locations used for fixing The latter are, relative to the bottom 4 of the profiled rail 2, the opposite side to the side faces 6. The profiled rail 2 here carries the facing plates 52 as in a conventional assembly of the prior art but it is helped here in its function of supporting plates by the spacers 12.

Comme on peut le remarquer, les emboutis réalisés dans les variantes de réalisation des figures 13 à 19 ne sont pas montés sur une patte élastique mais sur une plaque fixe. Lors du montage d'une entretoise 12 entre deux rails profilés 2, l'embouti 42 ou 46 vient en appui sur une face latérale 6 d'un rail profilé 2 et cette face latérale se déforme élastiquement jusqu'à permettre l'introduction de cet embouti dans la lumière correspondante. Une fois l'embouti en place, la face latérale reprend sa position initiale non déformée.As can be seen, the stampings made in the embodiments of Figures 13 to 19 are not mounted on an elastic tab but on a fixed plate. When mounting a spacer 12 between two profiled rails 2, the stamp 42 or 46 bears on a lateral face 6 of a profiled rail 2 and this lateral face deforms elastically until the introduction of this stamped into the corresponding light. Once stamped in place, the side face returns to its original undistorted position.

Ces diverses formes de réalisation permettent un montage facile d'une entretoise 12 sur un rail profilé. Les entretoises 12 décrites plus haut peuvent s'utiliser avec des rails profilés quasi standards. On peut très bien envisager que tous les rails profilés, qu'ils soient destinés à être montés avec ou sans entretoise, comportent des lumières permettant le montage d'entretoises. Ces lumières ne modifient pas la capacité de portance du rail profilé.These various embodiments allow easy mounting of a spacer 12 on a profiled rail. The spacers 12 described above can be used with almost standard profile rails. One can very well consider that all the profiled rails, they are intended to be mounted with or without spacer, include lights for the mounting of spacers. These lights do not change the lift capacity of the profile rail.

Le système proposé plus haut permet de réaliser une ossature bidirectionnelle aussi simple à monter qu'une ossature ne présentant que des rails s'étendant dans une seule direction. En effet, il n'est pas nécessaire de prévoir d'opérations de traçage pour l'implantation des lignes d'entretoises. Les lumières dans les rails profilés déterminent immédiatement la position des entretoises. Il n'est pas non plus nécessaire de prévoir d'opérations de réglage pour l'alignement des lignes d'entretoises.The system proposed above allows for a bidirectional frame as simple to mount a frame having only rails extending in a single direction. Indeed, it is not necessary to provide tracing operations for the implementation of the spacer lines. The lights in the profile rails immediately determine the position of the spacers. Nor is it necessary to provide adjustment operations for the alignment of the strut lines.

Lorsqu'une ossature telle que décrite ci-dessus est mise en oeuvre pour la réalisation d'un plafond (comme illustré sur la figure 19), la base 14 des entretoises 12 se trouve sensiblement dans le même plan que les fonds 4 des rails profilés 2. Des plaques de parement peuvent alors venir se fixer à la fois sur les rails profilés 2 et sur les entretoises 12. Les rails profilés 2 sont fixés à un support à l'aide par exemple de suspentes. On peut remarquer ici que les entretoises 12 peuvent se trouver au droit d'une suspente. Ainsi lors de la réalisation de l'ossature, il n'est pas forcément nécessaire de devoir faire attention à la position relative des entretoises avec les suspentes.When a framework as described above is implemented for the realization of a ceiling (as shown in Figure 19), the base 14 of the spacers 12 is substantially in the same plane as the bottom 4 of the profiled rails 2. Cladding plates can then be fixed on both the profiled rails 2 and on the spacers 12. The profiled rails 2 are fixed to a support using, for example, lines. It may be noted here that the spacers 12 can be located at the right of a hanger. Thus during the realization of the frame, it is not necessarily necessary to pay attention to the relative position of the spacers with the lines.

Pour la réalisation d'une cloison (comme illustré sur la figure 20), les entretoises 12 sont avantageusement montées de telle sorte que leurs bases 14 se trouvent à l'opposé des fonds 4 des rails profilés 2. L'ossature est alors fixée à l'aide des bases 14 des entretoises 12 sur un support tandis que les fonds 4 des rails profilés 2 servent à recevoir les plaques de parement.For the production of a partition (as illustrated in FIG. 20), the spacers 12 are advantageously mounted so that their bases 14 are opposite the bottom 4 of the profiled rails 2. The framework is then fixed to using the bases 14 of the spacers 12 on a support while the funds 4 of the profiled rails 2 are used to receive the facing plates.

Les figures 21A et 21B illustrent des moyens pouvant être mis en oeuvre pour la fixation d'une ossature de cloison selon l'invention sur un support. Ce dernier est par exemple un mur déjà existant lors de la réalisation d'un doublage de cloison.Figures 21A and 21B illustrate means that can be implemented for fixing a partition frame according to the invention on a support. The latter is for example a wall already existing when performing a partition doubling.

La figure 21A illustre une cheville 56 utilisée comme moyen de fixation avant vissage complet d'une vis 58 dans celle-ci. Cette cheville 56 présente de manière classique une partie expansive 60. De façon plus originale, la cheville 56 présente, du côté opposé à la partie expansive 60, une partie tubulaire 62 déformable élastiquement. Cette partie tubulaire 62 est destinée à être traversée par la vis 58 et à être comprimée lors du serrage de cette vis.Figure 21A illustrates an anchor 56 used as a fastening means prior to fully screwing a screw 58 therein. This peg 56 conventionally has an expansive portion 60. In a more original manner, the peg 56 has, on the opposite side to the expansive portion 60, a tubular portion 62 elastically deformable. This tubular portion 62 is intended to be traversed by the screw 58 and to be compressed during the tightening of this screw.

La figure 21B illustre la cheville 56 lorsque la vis 58 a été serrée. La partie expansive 60 est déformée de manière classique et cette partie déformée n'est pas représentée ici. Lors de la mise en oeuvre de la cheville 56, la partie tubulaire 62, réalisée par exemple en caoutchouc ou équivalent, est disposée à la hauteur de la base 14 de l'entretoise 12 à maintenir de façon à s'étendre de part et d'autre de cette base 14 (la cheville 56 s'étend perpendiculairement par rapport à la base 14 de l'entretoise 12). Lorsque la vis 58 est serrée, elle provoque en parallèle la déformation de la partie expansive 60 et de la partie tubulaire 62. Cette dernière est comprimée et se déforme pour former de chaque côté de la base 14 de l'entretoise 12 un bourrelet en forme de tonneau. La base 14 est alors parfaitement maintenue par rapport à la cheville 56, elle même fermement ancrée dans le support grâce à la partie expansive 60. Une fois que la fixation de l'entretoise 12 sur le support correspondant est réalisé, une plaque de parement 52 peut être fixée sur les rails profilés 2 comme montré sur la figure 21B. La tête de la vis 58 et une partie de la cheville 56 sont entièrement logées dans l'entretoise 12, entre les flancs latéraux 16 de celle-ci.Figure 21B illustrates the pin 56 when the screw 58 has been tightened. The expansive portion 60 is deformed in a conventional manner and this deformed portion is not shown here. During the implementation of the pin 56, the tubular portion 62, made for example of rubber or equivalent, is disposed at the height of the base 14 of the spacer 12 to be maintained so as to extend from both sides. other of this base 14 (the pin 56 extends perpendicular to the base 14 of the spacer 12). When the screw 58 is tightened, it causes in parallel the deformation of the expansive portion 60 and the tubular portion 62. The latter is compressed and deformed to form on each side of the base 14 of the spacer 12 a bead shaped of barrel. The base 14 is then perfectly maintained with respect to the peg 56, itself firmly anchored in the support thanks to the expansive part 60. Once the fixing of the spacer 12 on the corresponding support is made, a facing plate 52 can be fixed on the profiled rails 2 as shown in Figure 21B. The head of the screw 58 and a portion of the pin 56 are fully housed in the spacer 12, between the side flanks 16 thereof.

L'ossature ainsi réalisée est destinée à recevoir des plaques de parement, notamment des plaques de plâtre. En fixant ces plaques (cf. fig. 19) à la fois sur les rails profilés et les entretoises dans le cas de la réalisation d'un plafond, on supprime les risques de festonnage des plaques dus à l'humidification de l'ouvrage. Le fait de fixer les plaques à la fois dans deux directions selon un quadrillage limite également le voilement et la déformation des lignes de porteur en cas d'incendie. Toujours en cas d'incendie, le maintien des plaques à la fois sur les rails longitudinaux et sur les entretoises permet de supprimer le festonnage des plaques dû à la carbonisation des parements.The frame thus produced is intended to receive facing plates, including plasterboard. By fixing these plates (see Fig. 19) both on the profiled rails and the spacers in the case of the realization of a ceiling, one removes the risks of festooning the plates due to the humidification of the structure. Fixing the plates both in two directions according to a grid also limits the buckling and deformation of the carrier lines in case of fire. Always in case of fire, the maintenance of the plates both on the longitudinal rails and on the spacers makes it possible to suppress the festooning of the plates due to the carbonization of the facings.

Pour un montage dit montage feu, il est inutile de prévoir au niveau des joints transversaux un doublage des rails profilés. Le montage est donc considérablement simplifié. Même lorsqu'on utilise des plaques standards et non pas des plaques ayant une résistance accrue au feu, le comportement au feu du plafond ou de la cloison est sensiblement amélioré.For mounting said fire assembly, it is unnecessary to provide at the transverse joints a doubling of the profiled rails. The assembly is therefore considerably simplified. Even when using standard plates and not no plates having increased fire resistance, the fire behavior of the ceiling or partition is substantially improved.

La présence des entretoises et la fixation des plaques de parement sur celles-ci permettent de supprimer les contraintes s'exerçant sur les plaques dues au poids des isolants dans le cas d'un plafond isolé.The presence of the spacers and the fixing of the facing plates on these allow to eliminate the stresses exerted on the plates due to the weight of the insulators in the case of an isolated ceiling.

Dans toutes les formes de réalisation représentées sur les dessins, les entretoises présentent une tenue mécanique importante qui permet dans un cas (plafond) de supporter de manière fiable des plaques de parement et dans un autre cas (cloison) de fixer solidement l'ossature réalisée à un support, tel un mur.In all the embodiments shown in the drawings, the spacers have a large mechanical strength which allows in one case (ceiling) to reliably support facing plates and in another case (partition) to securely fix the frame made to a support, like a wall.

Une ossature selon l'invention permet également la fixation par simple vissage des têtes de cloison, quel que soit leur implantation. Il a également été remarqué qu'une ossature selon l'invention permet d'assurer un meilleur comportement d'un plafond en cas de séisme, c'est-à-dire lorsqu'on observe des accélérations horizontales. L'utilisation des entretoises dans une ossature selon l'invention évite également le contreventement des dispositifs de suspension que l'on utilise parfois pour résister aux séismes.A frame according to the invention also allows fixing by simply screwing the partition heads, whatever their location. It has also been noted that a frame according to the invention makes it possible to ensure better behavior of a ceiling in the event of an earthquake, that is to say when horizontal accelerations are observed. The use of spacers in a frame according to the invention also avoids the bracing suspension devices that are sometimes used to resist earthquakes.

Un avantage non négligeable déjà évoqué plus haut est également que l'ossature selon l'invention peut être compatible avec les systèmes existants actuellement.A non-negligible advantage already mentioned above is also that the frame according to the invention can be compatible with existing systems currently.

Dans le cas d'une utilisation d'une ossature selon l'invention pour réaliser une cloison verticale isolante, de nombreux avantages peuvent également être obtenus grâce à l'utilisation d'une ossature selon l'invention.In the case of using a frame according to the invention to produce an insulating vertical partition, many advantages can also be obtained through the use of a frame according to the invention.

Par rapport à la réalisation d'un doublage de l'art antérieur, l'invention permet une meilleure coordination et organisation des interventions réalisées sur le chantier. Elle permet aussi de faciliter les contrôles qualitatifs et fonctionnels, d'améliorer la mise en oeuvre de l'isolant et la tenue mécanique des plaques de parement montées sur l'ossature.Compared to performing a dubbing of the prior art, the invention allows a better coordination and organization of the interventions performed on the site. It also facilitates the qualitative and functional controls, improve the implementation of the insulation and the mechanical strength of the facing plates mounted on the frame.

Comme déjà indiqué, tous types d'isolants peuvent être utilisés et sous de nombreuses formes. Cet isolant peut en outre être mis en place soit par l'entreprise chargée de la réalisation du gros oeuvre, soit par l'entreprise plaquiste ou tout autre intervenant, par exemple l'électricien ou le plombier lors de la pose de conduites.As already indicated, all types of insulators can be used and in many forms. This insulation can also be set up either by the company responsible for the structural work, or by the plaquiste company or any other stakeholder, for example the electrician or the plumber when laying pipes.

Ainsi, un contrôle visuel de la continuité de l'isolation thermique et de l'étanchéité à l'air au droit des menuiseries, la mise en place, le contrôle des canalisations électriques et des réseaux hydro câblés peuvent être réalisés avant la mise en place de l'ossature et doivent être impérativement effectués avant la pose des plaques de parement.Thus, a visual control of the continuity of the thermal insulation and the airtightness to the right of joinery, the installation, the control of the electrical conduits and hydro-wired networks can be made before the installation of the frame and must be carried out before the installation of the facing plates.

Le fait de prévoir une ligne d'entretoises à 1,30m du sol améliore considérablement la tenue mécanique du parement, notamment en ce qui concerne le comportement aux chocs de corps mous à 120 Joules.The fact of providing a line of spacers at 1.30m from the ground considerably improves the mechanical strength of the facing, especially with regard to the soft body impact behavior at 120 Joules.

La présente invention ne se limite pas aux diverses formes de réalisation décrites ci-dessus à titre d'exemples non limitatifs. Elle concerne également toutes les variantes de réalisation à la portée de l'homme du métier dans le cadre des revendications ci-après.The present invention is not limited to the various embodiments described above by way of non-limiting examples. It also relates to all the variants within the scope of those skilled in the art within the scope of the claims below.

Claims (15)

Ossature destinée à recevoir des plaques de parement en plâtre, comportant : - des rails profilés longitudinaux (2) présentant une face appelée fond (4) servant de face d'appui à la plaque de parement correspondante ainsi que des faces latérales (6) s'étendant longitudinalement le long du fond (4), de part et d'autre de celui-ci, et - des moyens de liaison entre ces rails profilés (2) et un support, caractérisée en ce qu'elle comporte en outre des entretoises (12) disposées transversalement par rapport aux rails longitudinaux (2), et
en ce que chaque extrémité d'une entretoise (12) comporte des premiers moyens de fixation (22, 24) coopérant avec des seconds moyens de fixation (10) disposés à intervalles réguliers au niveau des faces latérales (6) des rails longitudinaux (2).Frame intended to receive plasterboard plates, comprising: - longitudinal profiled rails (2) having a face called bottom (4) serving as a bearing surface to the corresponding facing plate and side faces (6) extending longitudinally along the bottom (4), from and other of it, and connecting means between these profiled rails (2) and a support, characterized in that it further comprises spacers (12) arranged transversely to the longitudinal rails (2), and
in that each end of a spacer (12) has first fixing means (22, 24) cooperating with second fixing means (10) arranged at regular intervals at the lateral faces (6) of the longitudinal rails (2). ). Ossature selon la revendication 1, caractérisée en ce que des moyens de verrouillage (24 ;42) sont prévus à une extrémité au moins d'une entretoise (12).Frame according to claim 1, characterized in that locking means (24; 42) are provided at one end of at least one spacer (12). Ossature selon l'une des revendications 1 ou 2, caractérisée en ce que chaque entretoise (12) porte des moyens d'encliquetage (24) tandis que les seconds moyens de fixation comportent des moyens d'encliquetage complémentaires (10).Frame according to one of claims 1 or 2, characterized in that each spacer (12) carries latching means (24) while the second fastening means comprise complementary latching means (10). Ossature selon l'une des revendications 1 à 3, caractérisée en ce que les entretoises (12) présentent la même hauteur que les rails profilés (2).Frame according to one of claims 1 to 3, characterized in that the spacers (12) have the same height as the profiled rails (2). Ossature selon la revendication 4, caractérisée en ce que les seconds moyens de fixation sur les rails profilés (2) sont centrés sur la hauteur de la face latérale (6) correspondante et symétriques par rapport à l'axe longitudinal médian de ladite face latérale (6).Frame according to claim 4, characterized in that the second fastening means on the profiled rails (2) are centered on the height of the corresponding lateral face (6) and symmetrical with respect to the median longitudinal axis of said lateral face ( 6). Ossature selon l'une des revendications 1 à 5, caractérisée en ce que chaque entretoise (12) présente une forme profilée en U avec une base (14) et deux flancs latéraux (16), et en ce que la base (14) de l'entretoise (12) est prolongée au niveau des extrémités de l'entretoise (12) par une languette découpée et éventuellement pliée et/ou emboutie de manière à former les premiers moyens de fixation (22, 24).Frame according to one of claims 1 to 5, characterized in that each spacer (12) has a U-shaped profile with a base (14) and two lateral flanks (16), and in that the base (14) of the spacer (12) is extended at the ends of the spacer (12) by a tongue cut and possibly folded and / or stamped so as to form the first fastening means (22, 24). Ossature selon l'une des revendications 1 à 6, caractérisée en ce que chaque entretoise (12) présente une forme profilée en U avec une base (14) et deux flancs latéraux (16), en ce que la base (14) de l'entretoise (12) est prolongée au niveau des extrémités de l'entretoise (12) par une languette, et en ce que ladite languette est découpée et/ou pliée de manière à former une patte (18) destinée à venir en appui sous le fond (4) d'un rail longitudinal (2).Frame according to one of claims 1 to 6, characterized in that each spacer (12) has a U-shaped profile with a base (14) and two lateral flanks (16), in that the base (14) of the spacer (12) is extended at the ends of the spacer (12) by a tongue, and in that said tongue is cut and / or folded so as to form a tab (18) intended to abut under the bottom (4) of a longitudinal rail (2). Ossature selon l'une des revendications 1 à 7, caractérisée en ce que les premiers moyens de fixation (22, 24) portés par une entretoise (12) comportent une patte (22) sensiblement plane et parallèle au fond d'un rail longitudinal (2), patte de laquelle fait saillie un clips (24), en ce que les seconds moyens de fixation portés par le rail longitudinal (2) comportent une fente (10) dans laquelle peut s'introduire la patte (22) et le clips (24), ce dernier étant disposé de manière à permettre l'introduction de la patte (22) dans la fente (10) mais à interdire un retrait de la patte (22) hors de la fente (10).Frame according to one of claims 1 to 7, characterized in that the first fixing means (22, 24) carried by a spacer (12) comprise a tab (22) substantially flat and parallel to the bottom of a longitudinal rail ( 2), a projection of which a clip (24) projects, in that the second fastening means carried by the longitudinal rail (2) comprise a slot (10) into which the tab (22) and the clips can be inserted. (24), the latter being arranged to allow the introduction of the tab (22) in the slot (10) but to prohibit a withdrawal of the tab (22) out of the slot (10). Ossature selon l'une des revendications 1 à 5, caractérisée en ce l'entretoise (12) présente une plaque (38) transversale d'extrémité portant un embouti (42 ; 46) de taille et de forme adaptées à la taille et à la forme d'une ouverture (10) formée dans une paroi latérale (6) du rail profilé longitudinal (2) et formant les seconds moyens de fixation.Frame according to one of claims 1 to 5, characterized in that the spacer (12) has a transverse end plate (38) carrying a stamping (42; 46) of a size and shape adapted to the size and shape. an opening (10) formed in a side wall (6) of the longitudinal profiled rail (2) and forming the second fastening means. Ossature selon la revendication 9, caractérisée en ce que l'embouti se présente sous la forme d'une nervure (42), et en ce qu'une découpe (48) est réalisée à la base de la nervure (42) parallèlement à la plaque (38) sur une partie de la longueur de la nervure (42).Frame according to claim 9, characterized in that the stamping is in the form of a rib (42), and in that a cutout (48) is made at the base of the rib (42) parallel to the plate (38) over part of the length of the rib (42). Plafond, caractérisé en ce qu'il comporte une ossature selon l'une des revendications 1 à 10 ainsi que des plaques de parement (52) vissées sur les fonds (4) des rails profilés longitudinaux (2) du côté opposé aux faces latérales (6) desdits rails.Ceiling, characterized in that it comprises a framework according to one of claims 1 to 10 as well as facing plates (52) screwed onto the bottoms (4) of the longitudinal profiled rails (2) on the side opposite to the lateral faces ( 6) said rails. Plafond selon la revendication 11, caractérisé en ce que les fonds (4) des rails profilés (2) se trouvent sensiblement dans le même plan que les bases (14) des entretoises (12), et en ce les plaques de parement (52) sont vissées dans des bases (14) d'entretoises (12).Ceiling according to claim 11, characterized in that the bases (4) of the profiled rails (2) lie substantially in the same plane as the bases (14) of the spacers (12), and in that the facing plates (52) are screwed into bases (14) of spacers (12). Cloison, caractérisée en ce qu'elle comporte une ossature selon l'une des revendications 1 à 10 ainsi que des plaques de parement (52) vissées sur les fonds (4) des rails profilés longitudinaux (2) du côté opposé aux faces latérales (6) desdits rails.Partition, characterized in that it comprises a framework according to one of claims 1 to 10 as well as facing plates (52) screwed onto the bottoms (4) of the longitudinal profiled rails (2) on the opposite side to the faces lateral (6) of said rails. Cloison selon la revendication 13, caractérisée en ce que les entretoises (12) présentent une section transversale en U avec une base (14) et deux flancs latéraux (16), en ce que les entretoises (12) sont montées horizontalement entre les rails profilés (2) verticaux de telle sorte que les bases (14) des entretoises (12) sont disposées à l'opposé des fonds (6) des rails longitudinaux (2), et en ce que certaines entretoises (12) au moins sont fixées sur un support tel un mur ou similaire.Partition according to Claim 13, characterized in that the spacers (12) have a U-shaped cross-section with a base (14) and two lateral flanks (16), in that the spacers (12) are mounted horizontally between the profiled rails. (2) vertical so that the bases (14) of the spacers (12) are arranged opposite the bottoms (6) of the longitudinal rails (2), and in that at least some spacers (12) are fixed on a support such as a wall or the like. Cloison selon la revendication 14, caractérisée en ce que la fixation d'au moins une entretoise (12) est assurée par une cheville (56) présentant une partie tubulaire déformable (62), et en ce que la cheville (56) s'étend perpendiculairement à la base (14) de l'entretoise (12) de telle sorte que la partie tubulaire déformable (62) se trouve de part et d'autre de la base (14).Partition according to claim 14, characterized in that the fixing of at least one spacer (12) is provided by an anchor (56) having a deformable tubular portion (62), and in that the anchor (56) extends perpendicularly to the base (14) of the spacer (12) so that the deformable tubular portion (62) is on either side of the base (14).
EP07352003A 2006-05-09 2007-05-09 Grid framework fora suspended ceiling or partition wall and corresponding suspended ceiling or partition wall aimed mainly at increasing their fire resistance Active EP1854933B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0651651A FR2900946B1 (en) 2006-05-09 2006-05-09 FRAMEWORK FOR CEILING AND ROOFING, CORRESPONDING ROOFING AND CEILING, IN PARTICULAR FOR INCREASING FIRE RESISTANCE
FR0608697A FR2900945B1 (en) 2006-05-09 2006-10-04 FRAMEWORK FOR CEILING AND ROOFING, CORRESPONDING ROOFING AND CEILING, IN PARTICULAR FOR INCREASING FIRE RESISTANCE

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EP1854933A1 true EP1854933A1 (en) 2007-11-14
EP1854933B1 EP1854933B1 (en) 2011-12-14

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AT (1) ATE537310T1 (en)
ES (1) ES2378399T3 (en)
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EP4163451A1 (en) 2021-10-08 2023-04-12 Placoplatre Suspended ceiling spacer
FR3127964A1 (en) 2021-10-08 2023-04-14 Placoplatre suspended ceiling spacer

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EP4163451A1 (en) 2021-10-08 2023-04-12 Placoplatre Suspended ceiling spacer
FR3127964A1 (en) 2021-10-08 2023-04-14 Placoplatre suspended ceiling spacer
FR3127965A1 (en) 2021-10-08 2023-04-14 Placoplatre suspended ceiling spacer

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FR2900945A1 (en) 2007-11-16
FR2900945B1 (en) 2010-12-03
EP1854933B1 (en) 2011-12-14
ES2378399T3 (en) 2012-04-12
ATE537310T1 (en) 2011-12-15
PT1854933E (en) 2012-03-19

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