EP1854933B1 - Ossature pour plafond ou cloison et plafond et cloison correspondants destinés notamment à accroître la résistance au feu - Google Patents

Ossature pour plafond ou cloison et plafond et cloison correspondants destinés notamment à accroître la résistance au feu Download PDF

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Publication number
EP1854933B1
EP1854933B1 EP07352003A EP07352003A EP1854933B1 EP 1854933 B1 EP1854933 B1 EP 1854933B1 EP 07352003 A EP07352003 A EP 07352003A EP 07352003 A EP07352003 A EP 07352003A EP 1854933 B1 EP1854933 B1 EP 1854933B1
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EP
European Patent Office
Prior art keywords
spacer
rails
base
spacers
longitudinal
Prior art date
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Active
Application number
EP07352003A
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German (de)
English (en)
French (fr)
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EP1854933A1 (fr
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
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Placoplatre SA
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Priority claimed from FR0651651A external-priority patent/FR2900946B1/fr
Application filed by Placoplatre SA filed Critical Placoplatre SA
Publication of EP1854933A1 publication Critical patent/EP1854933A1/fr
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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.
  • the document EP-1 134 329 discloses a grid structure for supporting plaster panels or similar materials for use in the construction of false ceilings or false walls.
  • This structure comprises main frame profiles, to be suspended from the ceiling or the wall to be covered, and auxiliary frame profiles, substantially C-shaped, coplanarly connected to said main frame in order to form with it a crossing arrangement. orthogonally.
  • the main frame profile is also substantially C-shaped. It comprises a base and two flanks rising orthogonally from opposite sides of the base, the slots being formed in pairs in the base and said flanks. Each pair is adjusted for latching with a corresponding auxiliary frame profile as a result of a locking operation performed along a direction orthogonal to the plane of the structure, said flanks being substantially higher than the flanks of the frame profile. auxiliary.
  • the document US 4492066 also reveals a grid structure to be used in the construction of false ceilings.
  • the disclosed structure comprises U-shaped elements and more particularly relates to connection means between these elements.
  • the structure described in this document provides profiled elements that are all similar. Each profiled element is connected at one of its ends in the middle of another profiled element arranged perpendicularly to it.
  • the document EP-0 796 656 discloses a slide and a method for making a ceiling.
  • a bidirectional structure comprising on the one hand longitudinal C-profile rails and struts extending perpendicular to the longitudinal ralls is made.
  • the spacers are hung on the longitudinal profiled rails by means of connecting pieces. Plates are then fixed, in particular by gluing, both on the longitudinal rails and the spacers. It is not intended in this document to achieve the ceiling using plasterboard, nor to achieve a vertical partition.
  • 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.
  • the figure 1 first represents a profiled rail 2. It is a rail such as those usually used to achieve a ceiling or partition frame, with slight modifications that will be explained later.
  • the profiled rail 2 of the figure 1 corresponds for example to a profiled rail type F530 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 FIG. figure 1 also edges 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.
  • the figure 1 also represents 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 represented in more detail on the Figures 2 to 19 .
  • the embodiment shown on the 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 On the 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.
  • the cut is made at a light 10.
  • 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.
  • 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.
  • the figure 2 further provides an actuating knob 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 represented on the figure 2 .
  • the figure 3 shows an alternative embodiment of the figure 2 .
  • the actuating button 26 is replaced by a lug 30. While the actuating button 26 is more particularly adapted to be actuated with the aid of a finger, the lug 30 is rather adapted to be actuated with the end of the blade of a screwdriver.
  • the variant embodiment of the Figures 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 on the 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.
  • FIG. 6 The embodiment of the Figures 6 and 7 is very close to that of Figures 2 and 3 .
  • the difference is here at the arm 20.
  • This arm 20 has no actuating button 26 or lug 30. It has against a hole 32 for example for the passage of a screw for fixing the spacer 12 on the longitudinal rail 2.
  • the Figures 8 and 9 present a modified embodiment with respect to the embodiment of Figures 6 and 7 .
  • This variant embodiment makes it possible to easily separate the spacer 12 from 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.
  • FIGS. 10 to 12 represent 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 profile rail 2. It further comprises at its free end a hooking flange 36.
  • the arm 20 has an overall rectangular 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 to the latching lug 22.
  • 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 its operation. There is also a clip 24 protruding from the latching lug 22.
  • the Figures 10 and 11 represent 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 installation, the operator acts on the arm As suggested by the arrow on the figure 10 to pass the latching lug 22 through the corresponding slot 10 of the profile rail 2 until latching. 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 folded at right angles to the end of the side flanks 16 and comes to rest against the corresponding edges of these- this.
  • 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 side flanks 16. Its dimensions correspond to the dimensions of the light 10 of the profiled rail 2 of the figure 14 .
  • spacer 12 of Figures 13 and 15 also comprises a hooking flange 36.
  • the latter is intended to bear on the flange 8 corresponding to the profiled rail 2.
  • the variant embodiment of the Figures 16 and 17 differs from the embodiment of the Figures 13 to 15 by the shape of the stamping and by the presence of support lugs 18.
  • the stamping of this new embodiment is here a circular puncture 46.
  • the light (not shown) made in a side face 6 of a rail section 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.
  • FIGS 18 and 19 show another alternative embodiment of the embodiment of Figures 13 to 15 .
  • This variant concerns locking of the spacer 12 on the profiled rail 2, and in particular the rib 42.
  • This new variant of embodiment incorporates the various elements of the variant of the Figures 13 to 15 .
  • a rib 42 formed on a plate 38 closing one end of the spacer 12.
  • the rib 42 is projecting outwardly of the spacer and is intended to cooperate with the rectangular light of the profiled rail 2.
  • rib 42 of the Figures 13 and 15 rib 42 of the Figures 18 and 19 has a cutout 48. The latter is made parallel to the plate 38 at the base of the rib 42. It extends over a portion of the length of the rib, for example a portion representing between one third and one half of the rib. length of the rib 42.
  • the figure 18 represents the spacer 12 facing the profiled rail 2.
  • a double arrow 50 illustrates the movements to be carried out to assemble firstly the spacer 12 and the profiled rail 2 and to lock on the other hand these two elements.
  • 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 partially shown two facing plates 52 fixed to the frame members 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.
  • stampings made in the embodiments of Figures 13 to 19 are not mounted on an elastic leg 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.
  • the facing plates can then be fixed on both the profiled rails 2 and the spacers 12.
  • the profiled rails 2 are attached 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 frame is then fixed using the bases 14 of the spacers 12 on a support while the bottoms 4 of the profiled rails 2 are used to receive the facing plates.
  • FIGS. 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.
  • the figure 21A illustrates a peg 56 used as a fastening means before screwing a screw 58 into it completely.
  • 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.
  • the figure 21B illustrates the peg 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 attached to the profile rails 2 as shown on the 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.
  • 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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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP07352003A 2006-05-09 2007-05-09 Ossature pour plafond ou cloison et plafond et cloison correspondants destinés notamment à accroître la résistance au feu Active EP1854933B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0651651A FR2900946B1 (fr) 2006-05-09 2006-05-09 Ossature pour plafond et cloison, cloison et plafond correspondants destines notamment a accroitre la resistance au feu
FR0608697A FR2900945B1 (fr) 2006-05-09 2006-10-04 Ossature pour plafond et cloison, cloison et plafond correspondants destines notamment a accroitre la resistance au feu

Publications (2)

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

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EP07352003A Active EP1854933B1 (fr) 2006-05-09 2007-05-09 Ossature pour plafond ou cloison et plafond et cloison correspondants destinés notamment à accroître la résistance au feu

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EP (1) EP1854933B1 (pt)
AT (1) ATE537310T1 (pt)
ES (1) ES2378399T3 (pt)
FR (1) FR2900945B1 (pt)
PT (1) PT1854933E (pt)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4163451A1 (fr) 2021-10-08 2023-04-12 Placoplatre Entretoise de plafond suspendu
FR3127965A1 (fr) 2021-10-08 2023-04-14 Placoplatre entretoise de plafond suspendu

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706314A (en) * 1949-03-03 1955-04-19 Johns Manville Sound absorbing wall treatment
US3835614A (en) * 1971-09-16 1974-09-17 Donn Prod Inc Suspension system
US4079563A (en) * 1977-05-02 1978-03-21 Armstrong Cork Company Ceiling runner locking means
US4492066A (en) * 1982-02-08 1985-01-08 Donn Incorporated Suspension ceiling grid system
AU566622B2 (en) * 1983-01-21 1987-10-22 Intalite International N.V. Clip for suspended ceiling
US4598521A (en) * 1984-09-05 1986-07-08 Donn Incorporated Suspension ceiling grid with end connector
FR2578570B1 (fr) * 1985-03-08 1988-04-22 Placoplatre Sa Fourrure pour ossature primaire de faux plafond, et suspente propre a la suspension d'une telle fourrure
FR2589907B1 (fr) * 1985-11-07 1988-08-12 Placoplatre Sa Suspente pour faux-plafond.
US4757663A (en) * 1987-05-11 1988-07-19 Usg Interiors, Inc. Drywall furring strip system
US5127760A (en) * 1990-07-26 1992-07-07 Brady Todd A Vertically slotted header
ITMS20000004A1 (it) * 2000-03-16 2001-09-16 Gianfranco Panzera Metodo di fabbricazione di profilati leggeri, con sezione a "c" per l'orditura primaria di strutture a doppia orditura complanare, utilizzab

Also Published As

Publication number Publication date
ES2378399T3 (es) 2012-04-12
PT1854933E (pt) 2012-03-19
EP1854933A1 (fr) 2007-11-14
FR2900945B1 (fr) 2010-12-03
FR2900945A1 (fr) 2007-11-16
ATE537310T1 (de) 2011-12-15

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