EP3822427B1 - Spacing accessory for lining a wall - Google Patents

Spacing accessory for lining a wall Download PDF

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Publication number
EP3822427B1
EP3822427B1 EP20207699.8A EP20207699A EP3822427B1 EP 3822427 B1 EP3822427 B1 EP 3822427B1 EP 20207699 A EP20207699 A EP 20207699A EP 3822427 B1 EP3822427 B1 EP 3822427B1
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EP
European Patent Office
Prior art keywords
jaw
bracing device
membrane
lateral wall
face
Prior art date
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Active
Application number
EP20207699.8A
Other languages
German (de)
French (fr)
Other versions
EP3822427A3 (en
EP3822427A2 (en
Inventor
Frédéric Simon
Julien NIVERTS
Sébastien Moreau
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.)
Saint Gobain Isover SA France
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Saint Gobain Isover SA France
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Publication date
Application filed by Saint Gobain Isover SA France filed Critical Saint Gobain Isover SA France
Publication of EP3822427A2 publication Critical patent/EP3822427A2/en
Publication of EP3822427A3 publication Critical patent/EP3822427A3/en
Application granted granted Critical
Publication of EP3822427B1 publication Critical patent/EP3822427B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/0805—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall
    • E04F13/0807—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and the wall adjustable perpendicular to the wall

Definitions

  • the present invention generally relates to the lining of walls for insulation or aesthetic purposes. It relates more particularly to a bracing accessory placed transversely between the wall to be lined and a lining partition to keep the latter at a distance from the wall to be lined.
  • a lining partition (against partition or false ceiling) is attached to a lining frame which is itself fixed to structural elements of the wall to be lined, at a given distance from it.
  • a thermal and/or acoustic insulation lining (often called an insulation complex) is inserted between the wall to be lined and the lining partition.
  • the insulation packing typically includes, on the one hand, one or more layers of fibrous insulating material such as mineral wool and, on the other hand, at least one wind or vapor barrier membrane. This membrane is most often interposed between the layer of fibrous material and the lining partition, typically attached to the partition, optionally interposed between two layers of fibrous material.
  • bracing accessories comprises a main body in the form of a rod extending transversely to the wall to be lined and to the lining partition, one end of which is provided with means for fixing it cantilevered to a structural element. of the wall to be lined and the other end of which is provided with means for its assembly with the dubbing frame.
  • a spacer accessory is for example known from the document WO2006/061538 .
  • the insulation gasket is generally hooked onto the rods of the bracing accessories, which causes a hole multiple layers of fibrous material and, where appropriate, the membrane.
  • This piercing is particularly detrimental with regard to the membranes, because their sealing function, permanent or selective, is then altered.
  • the piercing of the membrane can also constitute a tear initiator likely to spread if a tension is exerted on the membrane.
  • Fixing the lining partition to the lining framework involves piercing the membrane with the fixing elements (staples, screws, nails, etc.), which is detrimental, although to a lesser extent, to the watertightness. of the diaphragm.
  • the positioning of the membrane in front of the lining frame raises another technical problem: it leaves no interstitial space between the membrane and the lining partition.
  • various cables or pipes in particular for the water, ventilation, electricity or communication network.
  • the cables could in fact only be suitably fixed by means of openings provided in the membrane.
  • An object of the present invention is to offer a technical solution allowing the installation of a membrane without breaking its integrity and its sealing performance.
  • an accessory or spacer device for fixing a lining frame to a double structure, said device comprising a main portion extending in a so-called axial direction, one end of which is provided with means for its attachment to the structure to be lined and the other end of which is provided with means for attaching at least one membrane, characterized in that said attachment means comprise a first jaw surrounding the main portion and a second jaw carried by the first jaw, coupling means allow the axial tightening of said jaws with each other by rotation of the second jaw with respect to the first jaw, these two jaws being arranged to pinch between them, after assembly, the membrane, said membrane remaining intact after assembly.
  • the advantage of the spacer accessory according to the invention is that it allows the jaw to be held in place without piercing it.
  • the jaws provide mechanical support for the membrane, which makes it possible in particular to avoid the onset of tearing of said membrane.
  • the first jaw comprises a circular bottom, having an upper face and a lower face, at the periphery of which a side wall extends from the upper face, in a direction parallel to the central axis of the bottom, said side wall comprising an inner face and an outer face.
  • the second jaw comprises a circular side wall, said side wall comprising an inner face and an outer face.
  • the coupling means comprise a first thread arranged on the first jaw and a second thread arranged on the second jaw, the first thread and the second thread cooperating with each other to allow the axial tightening of the jaws one against the other.
  • the coupling means comprise at least two projecting lines on the first jaw and at least two projecting lines arranged on the second jaw, the projecting lines of the first jaw and of the second jaw being arranged to form a quarter system of turn.
  • the at least two salient lines on the first jaw are spaced from each other and wherein the at least two salient lines on the second jaw are spaced from each other, the salient lines of the second jaw being able to fit into the space between the protruding lines of the first jaw and vice versa.
  • the at least two projecting lines on the first jaw and the at least two projecting lines on the second jaw are arranged to be inclined and allow tightening.
  • the coupling means comprise at least one cavity arranged on one face of the side wall of a jaw, each cavity being formed by a clearance parallel to the central axis of the jaw and opening out with respect to the rim of the side wall, and, intersecting with said recess and opposite the edge of the side wall, a blind groove, and at least one lug arranged to fit into said cavity.
  • the second jaw carries a connecting piece
  • the assembly means comprising a circular groove arranged on the underside of the bottom of the second jaw
  • the assembly means comprise at least one tab, preferably two parallel tabs, extending in a direction parallel to the side wall of the second jaw.
  • the central portion is a stem.
  • the rod comprises a first part and a second part mounted to slide relative to each other, said rod comprising means for sliding the parts of the rod and locking means.
  • FIG. 1 it is more specifically to insulate the attic of a building and, for this purpose, to line an exterior wall 1 and a roof 2 of this building.
  • the roof 2 comprises here, conventionally, a wooden frame made up of purlins 3 carrying rafters 4 on which cover elements 5 rest.
  • a dubbing device in accordance with the invention, is attached to the roof structure and to the exterior wall.
  • This dubbing device includes a doubling frame, composed on the one hand of horizontal slats 6 for doubling the roof and on the other hand of vertical slats 7 for doubling the wall 1. These slats are commonly called furs.
  • the lining slats 6 and 7 are respectively fixed to structural elements of the roof 2 and of the wall 1 to be lined by means of a plurality of bracing accessories 10.
  • Each bracing accessory 10, visible at figure 2a and 2b comprises a central portion 11, extending along an axis X1, being, in a first embodiment, in the form of a rod 12 provided with means for its attachment 14 cantilevered to the roof 2 or to the wall 1 and the other end of which, called the front end, is provided with a connecting piece provided with means for its assembly 19 with the slat 6, 7 which the accessory maintains.
  • the rod 12 On assembly, the rod 12 is arranged to extend in a direction substantially perpendicular to the roof 2 or to the wall 1. Panels of insulating materials are arranged between the roof 2 or the wall 1 and the slats 6, 7 used to carry a lining wall.
  • the spacer accessories 10 which are used to double the roof are fixed to the rafters 4. They comprise, for this purpose, each, as fixing means 14, a plate or longitudinal fixing base 141 screwed onto the side of the rafter 4 concerned. .
  • the bracing accessories 10 which are fixed to the wall 1 each comprise for this purpose, as fixing means 14, a transverse fixing plate 142 screwed to the wall 1.
  • the plates 141, 142 can be made of material with the rod 12 or be parts attached to the rod 12 by various means.
  • the rod 12 is designed to allow adjustment of its length.
  • the rod 12 comprises a first part 121 and a second part 123.
  • the fixing means 14 of the rod are arranged on the first part 121 while the assembly means 19 with the slat 6, 7 whose accessory ensures the maintenance are arranged on the second part 123 or vice versa.
  • the first part 121 and the second part 123 are mounted to slide relative to each other.
  • Means for sliding the parts of the rod 125 and locking means 127 are provided.
  • the means for sliding the parts of the rod 125 are used to allow the length of the rod to be adjusted, while the locking means are used to lock the position of the first part 121 with respect to the second part 123.
  • the means for sliding the parts of the rod 125 are in the form of a rail system.
  • the means for the sliding 125 of the parts of the rod comprise a rail 1250 arranged on one of the two parts 121, 123, for example the first part 121.
  • This rail 1250 consists of a groove 1251, crossing or not, in which a guide means 1252 arranged on the other part, here the second part 123, can move.
  • This guide means 1252 comprises a pin 1253 or guide head in cylindrical form. This pin 1253 is sized to fit into the groove 1251 forming the rail 1250.
  • the first part 121 and the second part 123 have a complementary shape.
  • the first part 121 and the second part 123 each have a cross-sectional shape or section of a semicircle, the rail 1250 and the guide means 1252 each being arranged on the flat face of the half -circle of each part.
  • the locking means 127 comprise, on the first part 121 or the second part 123, a clamp 1270 comprising an elastic arm 1271.
  • the arm 1271 has a shape such that it defines, with the part of the rod on which it is fixed, a space having the shape of the part to be locked.
  • the part to be locked has a semi-circular section
  • the arm 1271 forming the clamp 1270 has a geometry such that it defines a semi-circular space in which the part to be locked can be inserted.
  • This arm 1271 is thus designed to generate pinching and allow locking.
  • this first embodiment consists in fixing the spacer device 10 via the fixing means 14 as visible in figure 4a .
  • the second step consists in unlocking the position of the second part 123 with respect to the first part 121 as visible in the figure 4b .
  • the second part 123 is manipulated to be pivoted with respect to the axis of the pin.
  • the operator manipulates the second part 123 by sliding the pin 1254 in the rail 1250. Once the second part 123 has been placed at the desired distance, the operator manipulates it so that this part can enter the space formed by the arm 1271. This locks the position of the second part 123 as seen at figure 4c . All that remains is to fix the membrane M as visible on the 4d figure in it now.
  • a mechanism for adjusting the length (L) of the rod in steps by relative sliding of the first part 121 and of the second part 123 is used to allow the first part 121 and the second part 123 to slide relative to each other in the axial direction. This sliding is permitted when the first part 121 and the second part 123 are in a first angular position relative to each other.
  • the adjustment mechanism 125 is such that the first part 121 and the second part 123 are adapted to pivot, towards a second relative angular position in which they are locked in axial translation, only in a plurality of staggered adjustment positions in the axial direction in a coarse pitch P of between 0.1 and 5 cm, preferably between 0.5 and 2 cm, even more preferably between 0.8 and 1.3 cm. Means for locking the first part 121 and the second part 123 in rotation in the second angular position are therefore present.
  • the first part 121 comprises an adjustment part adapted to receive the second part 123 and provided with a plurality of notches 121a spaced axially from the coarse pitch P.
  • the second part 123 is a rod which comprises lugs 123a formed at its periphery and adapted to cooperate with said notches 121a.
  • the first part 121 has an opening 121b for inserting the second part 123.
  • This opening 121b comprises for this a central part of circular internal section, of diameter slightly greater than that of the rod, and two diametrically opposed housings opening on said part central and extending axially, intended to receive the lugs 123a of the second part 123 in a first angular position.
  • the means 127 for locking the second part 123 and the first part 121 in rotation, in the second angular position are provided and comprise clipping means 127a comprising a clipping tongue 127b delimiting a notch 121a adapted to move by cooperating with a pin 123a of the second part 123 during a rotation from the first to the second angular position and to prevent the return of the pin 123a, once the second angular position has been reached.
  • the passage from the second angular position to the first angular position is done by exerting, via the second part 123, a pressure on the clipping tab 127b.
  • the clipping tongue 127b then deforms allowing the release of the lug 123a and the rotation of the second part 123.
  • the second part 123 is here provided, at its front end, with a fine adjustment section provided at its periphery with a plurality of primary ribs 123a', regularly spaced from each other, parallel to each other, and orthogonal to the axial direction X1.
  • the second part 123 (with its ribs) is truncated over two truncated primary angular portions 123b', diametrically opposed, each truncated primary angular portion 123b' extending over an angle strictly greater than 90 degrees, by example but not limited to between 120 and 150 degrees. Between these truncated primary portions 123b' are defined non-truncated primary portions of the rod.
  • the first part 121 is for its part provided with a plurality of secondary ribs 121a' protruding into its fitting opening 121c' and adapted to cooperate with the primary ribs 123a' of the second part 123 for the locking in translation of the second part 123 with respect to the first part 121.
  • the secondary ribs 121a' are truncated over two angular sectors 121c' with an angle greater than the angle of the non-truncated primary portions of the second part, and diametrically opposed.
  • the second part 123 is thus free to slide, in the axial direction X1, when its portions of secondary ribs 123a' are opposite the truncated portions 123b' of the first part and when its truncated portions 121c' are opposite the portions not -truncated 123a'. Conversely, the second part 123 is blocked in translation in the axial direction X1 along the first part when the portions of secondary ribs 121a' are opposite the portions of primary ribs 123a'.
  • the first part 121 is in the form of a square or circular section tube, truncated at the periphery so that the second part 123 can be inserted.
  • the first part 121 in the form of a truncated tube is in the form of a U-shaped profile.
  • the second part 123 is then arranged to be inserted into the tube forming the first part.
  • the locking means are here in the form of protrusions and through or blind holes. These protrusions extend radially and are arranged to fit into holes.
  • the protrusions can be arranged on the first part 121 and the holes on the second part 123 or vice versa.
  • These protrusions can have various shapes such as for example cylindrical or blade-shaped.
  • the holes then have a shape which is the negative of that of the growths. This allows a perfect interlocking and therefore a good maintenance of the two parts.
  • the first part 121 is in the form of a tubular part in which the second part 123 slides.
  • the second part includes a series of openings.
  • the first part 121 includes at least one opening. This opening of the first part 121 is identical to the openings of the second part 123.
  • the two parts 121, 123 are arranged so that by sliding one inside the other, the opening of the first part 121 is found opposite an opening of the series of the second part 123.
  • This facing of the openings allows a tenon to be inserted into the two openings facing each other to lock the position of the second part 123 with respect to the first part 121.
  • This tenon is placed on an elastic blade arranged on the first part. This allows the user to act on the elastic blade to remove the tenon from the openings, adjust the length by aligning an opening of the second part with an opening of the first part and releasing the elastic blade so that the tenon locks the set position.
  • Each bracing accessory thus has an overall length (corresponding to the distance between its end points along its longitudinal direction) typically between 200 and 350 millimeters when it is provided with all its fixing plates.
  • the rod 12 comprises, at one end, opposite the fixing means 14, means 13 for attaching a membrane.
  • These attachment means 13 comprise a first jaw 15 and a second membrane 17.
  • the first jaw 15 cooperates with the second jaw 17 via coupling means 16 as seen in figure 7 .
  • These coupling means 16 are arranged on the first jaw 15 and the second jaw 17.
  • the coupling means 16 are arranged to allow the axial clamping of the second jaw 17 with the first jaw 15 while allowing the pinching between them, after coupling, of the membrane M.
  • These jaws 15, 17 are then designed to allow the membrane M to be inserted between said jaws 15, 17.
  • the second jaw 17 is only carried by the first jaw 15.
  • the first jaw 15 comprises a circular bottom 15a at the periphery of which a side wall, circular 15b extends.
  • This side wall 15b extends in a direction parallel to the central axis of the bottom.
  • the bottom 15a can be flat or conical and comprises an upper face 151a and a lower face 152a.
  • the top face is the face from which the side wall 15b extends.
  • the lower face is the face by which the first jaw 15 is secured to the rod 12.
  • the side wall 15b comprises an inner face 151b and an outer face 152b.
  • the first jaw 15 is made of material with said rod 12, that is to say that the rod and the first jaw 15 are made in one piece.
  • the first jaw is an added piece, that is to say which is fixed on said rod.
  • the bottom 15a comprises, preferably in its center, and on the lower face 152a, a through or blind hole through which said first jaw 15 is fixed to the rod 12.
  • Securing means are provided for fixing the first jaw 15 to the rod. These securing means allow the clipping or the screwing or the insertion by force of the first jaw 15 with the rod.
  • the bottom 15a of the first jaw 15 is replaced but at least two arms.
  • the two arms are made of material with the rod 12.
  • the two arms are connected to a fixing barrel or tube allowing the clipping or the screwing or the insertion by force of the first jaw 15 with stem.
  • This bottom 15a can optionally be square or octagonal, the side wall 15b remaining circular.
  • the second jaw 17 comprises a circular bottom 17a at the periphery of which a circular side wall 17b extends.
  • the bottom 17a can be flat or conical and comprises an upper face 171a and a lower face 172a.
  • Top face 171a is the face from which side wall 17b extends.
  • the side wall 17b includes an inner face 171b and an outer face 172b.
  • the bottom 17a of the second jaw 17 is partially open or eliminated, only the wall 17b remains.
  • This bottom 17a can optionally be square or octagonal, the side wall 17b remaining circular.
  • the coupling means 16 allowing the axial clamping of the second jaw 17 with the first jaw 15 are arranged on the side wall 15b, 17b of the jaws 15, 17. This axial clamping is obtained by a rotation movement between the first jaw and the second jaw.
  • the plane of rotation is substantially perpendicular to the direction of the main portion 11 of the bracing accessory.
  • the coupling means 16 comprise a first thread 160a arranged on the outer face 152b of the side wall 15b of the first jaw 15 and a second thread 160b arranged on the inner face 171b of the side wall 17b of the second jaw.
  • the first thread 160a and the second thread 160b are arranged to cooperate with each other, during a rotational movement, thus allowing the clamping of the second jaw 17 with the first jaw 15.
  • the coupling means 16 are in the form of a so-called quarter-turn system.
  • the outer face 152b of the side wall 15b of the first jaw 15 comprises at least one projecting line 161a.
  • the outer face 152b of the side wall 15b of the first jaw 15 comprises at least two projecting lines 161a.
  • These salient lines 161a are regularly distributed so that, in the case of two salient lines 161a, they are diametrically opposed.
  • These projecting lines 161a extend along the circular wall 15b in a plane orthogonal to the central axis of the first jaw 15.
  • the inner face 171b of the side wall 17b of the second jaw 17 comprises projecting lines 161b whose the number is equal to the number of projecting lines 161a arranged on the first jaw 15. These projecting lines 161a, 161b are also regularly distributed so that spaces 161c, 161d are present. These projecting lines 161a, 161b extend along the circular wall in a plane orthogonal to the central axis of the second jaw 17.
  • the projecting lines 161b of the second jaw 17 and the projecting lines 161a of the first jaw 15 are straight and have a length such that the projecting lines 161b of the second jaw 17 can fit into the space 161c between two projecting lines of the first jaw 15.
  • the assembly of the second jaw 17 on the first jaw 15 then consists in placing the second jaw 17 so that its projecting lines 161b are opposite the spaces 161c present between two projecting lines 161a of the first jaw 15.
  • a rotation of the second jaw 17 makes it possible to place the projecting lines 161b of the second jaw 17 under the projecting lines 161a of the first jaw 15.
  • This cooperation of the projecting lines 161b of the second jaw 17 and projecting lines 161a of the first jaw 15 makes it possible to insert the membrane M between the two jaws without piercing it and more particularly between the projecting lines. These are sized to leave the membrane intact.
  • the rotation allowing the locking of the two jaws is not necessarily a quarter turn or 90°.
  • the rotation must be sufficient to allow the projecting lines 161b of the second jaw 1 to pass under the projecting lines 161a of the first jaw 15.
  • the second jaw 17 has at least projecting lines 161b so that these projecting lines 161b are retained by said projecting line 161a.
  • the projecting lines 161a of the first jaw 15 optionally include a stop blocking the rotation of the second jaw 17.
  • the projecting lines 161a, 161b are arranged to be inclined with respect to the plane orthogonal to the central axis of the jaws 15, 17. This inclination is such that it allows clamping of the jaws 15, 17 one on the other as visible to the figure 10c .
  • the coupling means 16 are in the form of a bayonet system.
  • a bayonet system has a pair of cavities 162 arranged on a jaw.
  • Each cavity 162 is formed by a clearance 162a parallel to the central axis of the jaw and emerging with respect to the edge of the side wall 15b, and, secant with said clearance and opposite the edge of the side wall, a groove blind 162b.
  • This groove 162b is used for bayonet immobilization.
  • the other jaw then comprises lugs 163 whose number is equal to the number of cavities. Each lug is sized to fit into said cavity 162.
  • the assembly of the two jaws 15, 17 consists of placing each lug in the recess of a cavity 162 to then move said jaw in the axial direction of said jaw.
  • a rotational movement is operated to lock the jaws 15, 17 to each other.
  • the cavity or cavities 162 are arranged on the outer face 152b of the first jaw 15 then the lugs are arranged on the inner face 171b of the second jaw 17 or vice versa. Similarly, the cavities can be arranged on the second jaw 17 and the lugs on the first jaw 15.
  • Membrane M is advantageously an airtight and/or water vapor management membrane, preferably a membrane providing both of these functions.
  • the water vapor management membrane is advantageously a vapor barrier membrane or a hygroregulating membrane, that is to say the water vapor permeance of which varies according to the ambient relative humidity.
  • the membrane M consists of a sheet or a plurality of sheets assembled together. This membrane M is then placed against the first jaw 15. The operator then takes the second jaw 17 and places it, through the membrane, opposite the first jaw 15.
  • the second jaw 17 is manipulated so that the coupling means 16 allowing the axial clamping of the second jaw 17 with the first jaw 15 engage. It is therefore understood that the thread or the projecting lines of the second jaw engage with the thread or the projecting lines of the first jaw during a rotational movement of the second jaw with respect to the first jaw. Cleverly, the thread or the projecting lines of the first jaw 15 and of the second jaw 17 will be dimensioned so that the membrane M is inserted therein as visible to the figures 12 and 13 . Thus, in the case of a thread, the dimensions of the screw pitch and of the threads will be such that the membrane M is inserted between the thread of the first jaw 15 and the thread of the second jaw 17 without risk of being torn. .
  • the spacer device 10 makes it possible to avoid any break in the integrity of the membrane when it is put in place.
  • the embodiments described for the coupling means 16 are not limiting and it is possible to have the coupling means 16 arranged on the inner face of the first jaw 15 and on the outer face of the second jaw 17 .
  • the first jaw 15 is provided with retention means 18.
  • These retention means 18 are used to hold the membrane at the level of the first jaw 15 without assistance from the operator so that the latter can manipulate the second jaw 17.
  • These retention means 18 comprise a plurality of flexible, elastic strips 181 arranged so as to leaving an empty central space, each slat 181 being individually deformable as seen in figure 14 . This arrangement makes it possible to insert said membrane into the empty central space. The flexible slats tend to want to return to their initial position. The membrane M is therefore held between the different flexible strips without being torn.
  • the connecting piece 20 is provided with assembly means 19 to the frame to be doubled.
  • This connecting piece 20 is one comprising a rear face able to be fixed on the second jaw 17 and a front face, preferably hemispherical.
  • these assembly means 19 comprise two notches or grooves 19a, parallel, arranged on the front face of the connecting piece 20. These notches 19a are adapted to cooperate by clipping with a slat 6, 7.
  • Each slat 6, 7 is here made in the form of a metal profile, or fur, with a C-section having re-entrant edges, pointing towards each other to engage like a clip with the notches.
  • the assembly means 19 comprise a single notch or circular groove. This circular notch allows the angular position of the slat to be modified as required.
  • the assembly means 19 comprise at least one tab 19b, preferably two parallel tabs 19b. These tabs extend in a direction parallel to the side wall of the second jaw. These lugs 19b are arranged to have a shape and dimensions allowing said lugs to insert it into the space between the flanges of the C-section profile. Preferably, the flanges are re-entrant, pointing towards each other. In this case, the lugs 19b are arranged to have a free end or leading edge facilitating insertion into the space between the edges of the C-section profile. For this, the free end has a shape having a tapering end such as a rounded/circular shape or bevelled shape.
  • This thinned shape advantageously makes it possible to press on the edges and to spread them apart in order to facilitate the insertion of the tab. Once inserted into the rim, the lug(s) are held in place by the edges of the profile which tend to return to their initial position and therefore operate a tightening.
  • the second jaw 17 acts as a connecting piece 20.
  • the lower face 172a of the second jaw 17 is the face on which the assembly means 19 are arranged as visible at figure 17 .
  • the coupling means 16 of the second jaw on the first jaw are designed so that the amplitude of the rotation to be applied to the second jaw for its assembly with the first jaw is limited.
  • This limitation is such that this amplitude of the rotation is at most 90°.
  • this amplitude is at most 45°.
  • This limitation of the rotation of the second jaw 17 with respect to the first jaw 15 for their assembly makes it possible to limit the stresses applied to the membrane M and thus to limit the wrinkling of this membrane. Such crumpling is representative of weathering.
  • the limitation of the rotation of the second jaw with respect to the first jaw for their assembly thus makes it possible to limit this alteration and therefore to reduce the risks of perforations of the membrane.
  • means may also be provided for ensuring a seal between at least one of said jaws of said spacer accessory and the stem of the latter.
  • the panels of insulating materials are at least partially supported by the spacer devices according to the invention. More particularly, the first jaw 15 and its lower face 152a interact with the insulating panel(s). Indeed, in the case of a wall or a roof, the insulating panel is placed so as to rest on the lower face 152a of the first jaw. This is all the more true in the case of a roof where the insulating panels are retained only by the lower face 152a of the first jaw of each bracing device.
  • said lower face 152a of the first jaw optionally comprises teeth or barbs extending orthogonally to said lower surface. These teeth or pins are used to fit into the insulation panel to improve its retention.
  • the central portion 11 can thus be in the form of a plate or a tube or a profile.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Finishing Walls (AREA)
  • Clamps And Clips (AREA)

Description

La présente invention concerne de manière générale le doublage de parois à des fins d'isolation ou d'esthétique. Elle a plus particulièrement trait à un accessoire d'entretoisement placé transversalement entre la paroi à doubler et une cloison de doublage pour maintenir cette dernière à distance de la paroi à doubler.The present invention generally relates to the lining of walls for insulation or aesthetic purposes. It relates more particularly to a bracing accessory placed transversely between the wall to be lined and a lining partition to keep the latter at a distance from the wall to be lined.

ARRIERE-PLAN TECHNOLOGIQUETECHNOLOGICAL BACKGROUND

Le doublage d'une paroi telle qu'un mur, un plafond ou un toit d'un bâtiment est fréquemment pratiqué, en rénovation ou en construction neuve, pour obtenir ou améliorer l'isolation acoustique ou thermique du bâtiment ou d'une pièce spécifique. A cet effet, une cloison de doublage (contre-cloison ou faux-plafond) est rapportée sur une ossature de doublage qui est elle-même fixée à des éléments de structure de la paroi à doubler, à distance donnée de celle-ci. Une garniture d'isolation thermique et/ou acoustique (souvent appelée complexe d'isolation) est insérée entre la paroi à doubler et la cloison de doublage.The lining of a wall such as a wall, a ceiling or a roof of a building is frequently practiced, in renovation or in new construction, to obtain or improve the acoustic or thermal insulation of the building or of a specific room. . For this purpose, a lining partition (against partition or false ceiling) is attached to a lining frame which is itself fixed to structural elements of the wall to be lined, at a given distance from it. A thermal and/or acoustic insulation lining (often called an insulation complex) is inserted between the wall to be lined and the lining partition.

La garniture d'isolation inclut typiquement, d'une part, une ou plusieurs couches de matériau isolant fibreux tel que de la laine minérale et, d'autre part, au moins une membrane pare-vent ou pare-vapeur. Cette membrane est le plus souvent intercalée entre la couche de matériau fibreux et la cloison de doublage, typiquement accolée à la cloison, éventuellement intercalée entre deux couches de matériau fibreux.The insulation packing typically includes, on the one hand, one or more layers of fibrous insulating material such as mineral wool and, on the other hand, at least one wind or vapor barrier membrane. This membrane is most often interposed between the layer of fibrous material and the lining partition, typically attached to the partition, optionally interposed between two layers of fibrous material.

La fixation de l'ossature de doublage aux éléments de structure de la paroi à doubler est réalisée au moyen d'accessoires d'entretoisement régulièrement espacés. Chaque accessoire d'entretoisement comporte un corps principal en forme de tige s'étendant transversalement à la paroi à doubler et à la cloison de doublage, dont une extrémité est pourvue de moyens de sa fixation en porte-à-faux à un élément de structure de la paroi à doubler et dont l'autre extrémité est pourvue de moyens de son assemblage avec l'ossature de doublage. Un tel accessoire d'entretoisement est par exemple connu du document WO2006/061538 .The fixing of the lining framework to the structural elements of the wall to be lined is carried out by means of regularly spaced bracing accessories. Each bracing accessory comprises a main body in the form of a rod extending transversely to the wall to be lined and to the lining partition, one end of which is provided with means for fixing it cantilevered to a structural element. of the wall to be lined and the other end of which is provided with means for its assembly with the dubbing frame. Such a spacer accessory is for example known from the document WO2006/061538 .

Lors de l'installation, la garniture d'isolation est généralement embrochée sur les tiges des accessoires d'entretoisement, ce qui provoque un percement multiple des couches de matériau fibreux et le cas échéant de la membrane. Ce percement est particulièrement préjudiciable en ce qui concerne les membranes, car leur fonction d'étanchéité, permanente ou sélective, est alors altérée. Le percement de la membrane peut en outre constituer une amorce de déchirure de nature à se propager si une tension est exercée sur la membrane.During installation, the insulation gasket is generally hooked onto the rods of the bracing accessories, which causes a hole multiple layers of fibrous material and, where appropriate, the membrane. This piercing is particularly detrimental with regard to the membranes, because their sealing function, permanent or selective, is then altered. The piercing of the membrane can also constitute a tear initiator likely to spread if a tension is exerted on the membrane.

Pour éviter en partie ce problème, il est connu de disposer la membrane du côté intérieur de l'ossature de doublage, entre cette dernière et la cloison de doublage. La membrane n'est ainsi pas traversée par l'accessoire d'entretoise et peut ainsi rester intègre, du moins dans un premier temps.To partially avoid this problem, it is known to arrange the membrane on the inside of the lining frame, between the latter and the lining partition. The membrane is thus not crossed by the spacer accessory and can thus remain intact, at least initially.

Cette solution n'est cependant que partielle. La fixation de la cloison de doublage sur l'ossature de doublage implique le percement de la membrane par les éléments de fixation (agrafes, vis, clous, etc.), ce qui nuit, bien que dans une moindre mesure, à l'étanchéité de la membrane.However, this solution is only partial. Fixing the lining partition to the lining framework involves piercing the membrane with the fixing elements (staples, screws, nails, etc.), which is detrimental, although to a lesser extent, to the watertightness. of the diaphragm.

Le positionnement de la membrane devant l'ossature de doublage soulève un autre problème technique : il ne laisse subsister aucun espace interstitiel entre la membrane et la cloison de doublage. Or, il s'avère souvent nécessaire d'insérer, derrière la cloison de doublage, différents câbles ou tuyaux notamment de réseau d'eau, de ventilation, d'électricité ou de communication. Il est alors difficilement envisageable de placer les câbles et accessoires de câblage entre la membrane et la cloison de doublage. Les câbles ne pourraient en effet être convenablement fixés qu'à la faveur d'ouvertures ménagées dans la membrane. La membrane risquerait en outre d'être blessée ou distendue par les câbles ou des accessoires de gainage, fixation ou raccordement.The positioning of the membrane in front of the lining frame raises another technical problem: it leaves no interstitial space between the membrane and the lining partition. However, it often proves necessary to insert, behind the dubbing partition, various cables or pipes, in particular for the water, ventilation, electricity or communication network. It is then difficult to envisage placing the cables and wiring accessories between the membrane and the lining partition. The cables could in fact only be suitably fixed by means of openings provided in the membrane. There is also a risk of the membrane being damaged or distended by cables or sheathing, fastening or connection accessories.

Ces câbles peuvent certes être disposés derrière la membrane. Mais il n'est alors plus possible d'y accéder pour la maintenance ou l'évolution de l'installation de câblage sans retirer la membrane ou y pratiquer une ouverture. En outre, les opérations de câblage peuvent, pour des raisons de logistique ou d'évolution des besoins ou des technologies, intervenir postérieurement au doublage de la paroi, ce qui nécessite également la dépose ou l'ouverture de la membrane par des intervenants qui ne sont généralement pas spécialisés dans le doublage de parois et l'isolation.These cables can certainly be arranged behind the membrane. But it is then no longer possible to access it for maintenance or upgrading of the wiring installation without removing the membrane or making an opening in it. In addition, the cabling operations may, for logistical reasons or changes in needs or technologies, take place after the lining of the wall, which also requires the removal or opening of the membrane by workers who do not are generally not specialized in wall lining and insulation.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

Un but de la présente invention est d'offrir une solution technique permettant la mise en place d'une membrane sans rupture de son intégrité et de ses performances d'étanchéité.An object of the present invention is to offer a technical solution allowing the installation of a membrane without breaking its integrity and its sealing performance.

A cet effet, on propose selon l'invention un accessoire ou dispositif d'entretoisement pour la fixation d'une ossature de doublage sur une structure à double, ledit dispositif comportant une portion principale s'étendant suivant une direction dite axiale dont une extrémité est pourvue de moyens de sa fixation à la structure à doubler et dont l'autre extrémité est pourvue de moyens d'attache d'au moins une membrane,
caractérisé en ce que lesdits moyens d'attache comportent une première mâchoire entourant la portion principale et une seconde mâchoire portée par la première mâchoire, des moyens d'accouplage permettent le serrage axial desdites machoires l'une avec l'autre par rotation de la seconde mâchoire par rapport à la première mâchoire, ces deux mâchoires étant agencées pour pincer entre elles, après assemblage, la membrane, ladite membrane restant intègre après assemblage.To this end, according to the invention, an accessory or spacer device is proposed for fixing a lining frame to a double structure, said device comprising a main portion extending in a so-called axial direction, one end of which is provided with means for its attachment to the structure to be lined and the other end of which is provided with means for attaching at least one membrane,
characterized in that said attachment means comprise a first jaw surrounding the main portion and a second jaw carried by the first jaw, coupling means allow the axial tightening of said jaws with each other by rotation of the second jaw with respect to the first jaw, these two jaws being arranged to pinch between them, after assembly, the membrane, said membrane remaining intact after assembly.

L'avantage de l'accessoire d'entretoisement selon l'invention est qu'il permet un maintien de la mâchoire sans la percer. Les mâchoires assurent un maintien mécanique de la membrane, ce qui permet en particulier d'éviter les amorces de déchirure de ladite membrane.The advantage of the spacer accessory according to the invention is that it allows the jaw to be held in place without piercing it. The jaws provide mechanical support for the membrane, which makes it possible in particular to avoid the onset of tearing of said membrane.

Selon un exemple, la première mâchoire comprend un fond circulaire, présentant face supérieure et une face inférieure, à la périphérie duquel une paroi latérale s'étend depuis la face supérieure, dans une direction parallèle à l'axe centrale du fond, ladite paroi latérale comprenant une face intérieure et une face extérieure.According to one example, the first jaw comprises a circular bottom, having an upper face and a lower face, at the periphery of which a side wall extends from the upper face, in a direction parallel to the central axis of the bottom, said side wall comprising an inner face and an outer face.

Selon un exemple, la seconde mâchoire comprend une paroi latérale circulaire, ladite paroi latérale comprenant une face intérieure et une face extérieure.According to one example, the second jaw comprises a circular side wall, said side wall comprising an inner face and an outer face.

Selon un exemple, les moyens d'accouplage comprennent un premier filetage agencé sur la première mâchoire et un second filetage agencé sur la seconde mâchoire, le premier filetage et le second filetage coopérant l'un avec l'autre pour permettant le serrage axial des mâchoires l'une contre l'autre.According to one example, the coupling means comprise a first thread arranged on the first jaw and a second thread arranged on the second jaw, the first thread and the second thread cooperating with each other to allow the axial tightening of the jaws one against the other.

Selon un exemple, les moyens d'accouplage comprennent au moins deux lignes saillantes sur la première mâchoire et au moins deux lignes saillantes agencées sur la seconde mâchoire, les lignes saillantes de la première mâchoire et de la seconde mâchoire étant agencées pour former un système quart de tour.According to one example, the coupling means comprise at least two projecting lines on the first jaw and at least two projecting lines arranged on the second jaw, the projecting lines of the first jaw and of the second jaw being arranged to form a quarter system of turn.

Selon un exemple, les au moins deux lignes saillantes sur la première mâchoire sont espacées l'une de l'autre et dans lequel les au moins deux lignes saillantes sur la seconde mâchoire sont espacées l'une de l'autre, les lignes saillantes de la seconde mâchoire étant capable de s'insérer dans l'espace entre les lignes saillantes de la première mâchoire et inversement.In one example, the at least two salient lines on the first jaw are spaced from each other and wherein the at least two salient lines on the second jaw are spaced from each other, the salient lines of the second jaw being able to fit into the space between the protruding lines of the first jaw and vice versa.

Selon un exemple, les au moins deux lignes saillantes sur la première mâchoire et les au moins deux lignes saillantes sur la seconde mâchoire sont agencées pour être inclinées et permettre un serrage.According to one example, the at least two projecting lines on the first jaw and the at least two projecting lines on the second jaw are arranged to be inclined and allow tightening.

Selon un exemple, les moyens d'accouplage comprennent au moins une cavité agencée sur une face de la paroi latérale d'une mâchoire, chaque cavité étant formée par un dégagement parallèle à l'axe central de la mâchoire et débouchant par rapport au rebord de la paroi latérale, et, sécante avec ledit dégagement et à l'opposé du rebord de la paroi latérale, une gorge borgne, et au moins un ergot agencé pour s'insérer dans ladite cavité.According to one example, the coupling means comprise at least one cavity arranged on one face of the side wall of a jaw, each cavity being formed by a clearance parallel to the central axis of the jaw and opening out with respect to the rim of the side wall, and, intersecting with said recess and opposite the edge of the side wall, a blind groove, and at least one lug arranged to fit into said cavity.

Selon un exemple, la seconde mâchoire porte une pièce de raccordAccording to one example, the second jaw carries a connecting piece

Selon un exemple, les moyens d'assemblage comprenant une rainure circulaire agencée sur la face inférieure du fond de la seconde mâchoireAccording to one example, the assembly means comprising a circular groove arranged on the underside of the bottom of the second jaw

Selon un exemple, les moyens d'assemblage comprennent au moins une patte, préférentiellement deux pattes parallèles, s'étendant dans une direction parallèle à la paroi latérale de la seconde mâchoire.According to one example, the assembly means comprise at least one tab, preferably two parallel tabs, extending in a direction parallel to the side wall of the second jaw.

Selon un exemple, la portion centrale est une tige.According to one example, the central portion is a stem.

Selon un exemple, la tige comporte une première partie et une seconde partie montées pour coulisser l'une par rapport à l'autre, ladite tige comportant des moyens pour le coulissage des parties de la tige et des moyens de verrouillage.According to one example, the rod comprises a first part and a second part mounted to slide relative to each other, said rod comprising means for sliding the parts of the rod and locking means.

La présente invention concerne en outre un dispositif de doublage d'une paroi, comportant

  • au moins un dispositif d'entretoisement selon l'invention,
  • une membrane pare-vent, pare-vapeur ou freine-vapeur à attacher au dispositif d'entretoisement,
caractérisé en ce que ladite membrane est pincée entre la première mâchoire et la seconde mâchoire dudit dispositif d'entretoisement.The present invention further relates to a device for lining a wall, comprising
  • at least one spacer device according to the invention,
  • a wind barrier, vapor barrier or vapor retarder membrane to be attached to the bracing device,
characterized in that said membrane is clamped between the first jaw and the second jaw of said bracing device.

DESCRIPTION DES FIGURESDESCRIPTION OF FIGURES

D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et nullement limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une vue en perspective, avec arraché, de l'intérieur des combles d'un bâtiment dont la toiture est isolée au moyen d'un dispositif de doublage selon l'invention ;
  • les figures 2a et 2b sont des vues schématiques simplifiées d'un accessoire d'entretoisement;
  • la figure 3 est une vue schématique simplifiée d'un accessoire d'entretoisement réglable en longueur;
  • les figures 4a à 4d sont des vues schématiques d'une forme d'exécution d'un accessoire d'entretoisement réglable;
  • les figures 5 et 6 sont des vues schématiques d'une autre forme d'exécution d'un accessoire d'entretoisement réglable;
  • les figure 7, 8a et 8b sont des vues schématiques d'un accessoire d'entretoisement selon l'invention;
  • la figure 9 est une vue schématique d'une première réalisation de l'accouplage des machoires d'un accessoire d'entretoisement selon l'invention;
  • les figures 10a, 10b et 10c sont des vues schématiques d'une seconde réalisation de l'accouplage des machoires d'un accessoire d'entretoisement selon l'invention ;
  • les figures 11a et 11b sont des vues schématiques d'une troisième réalisation de l'accouplage des machoires d'un accessoire d'entretoisement selon l'invention ;
  • les figures 12 et 13 sont des vues schématiques des machoires accouplées d'un accessoire d'entretoisement selon l'invention ;
  • la figure 14 est une vue schématique d'une variant d'un accessoire d'entretoisement ;
  • les figures 15 à 17 sont des vues schématiques de variantes de l'accessoire d'entretoisement selon l'invention ;
Other features and advantages will emerge clearly from the description given below, by way of indication and in no way limiting, with reference to the appended drawings, in which:
  • the figure 1 is a perspective view, cut away, of the interior of the attic of a building whose roof is insulated by means of a lining device according to the invention;
  • them figure 2a and 2b are simplified schematic views of a bracing accessory;
  • the picture 3 is a simplified schematic view of a length-adjustable bracing attachment;
  • them figures 4a to 4d are schematic views of one embodiment of an adjustable bracing attachment;
  • them figures 5 and 6 are schematic views of another embodiment of an adjustable bracing attachment;
  • them figure 7 , 8a and 8b are schematic views of a bracing accessory according to the invention;
  • the figure 9 is a schematic view of a first embodiment of the coupling of the jaws of a bracing accessory according to the invention;
  • them Figures 10a, 10b and 10c are schematic views of a second embodiment of the coupling of the jaws of a bracing accessory according to the invention;
  • them figure 11a and 11b are schematic views of a third embodiment of the coupling of the jaws of a bracing accessory according to the invention;
  • them figures 12 and 13 are schematic views of the coupled jaws of a bracing accessory according to the invention;
  • the figure 14 is a schematic view of a variant of a bracing accessory;
  • them figures 15 to 17 are schematic views of variants of the bracing accessory according to the invention;

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

Dans l'exemple non limitatif illustré par la figure 1, il s'agit plus spécifiquement d'isoler les combles d'un bâtiment et, à cet effet, de doubler un mur extérieur 1 et une toiture 2 de ce bâtiment.In the non-limiting example illustrated by the figure 1 , it is more specifically to insulate the attic of a building and, for this purpose, to line an exterior wall 1 and a roof 2 of this building.

La toiture 2 comporte ici, classiquement, une charpente en bois constituée de pannes 3 portant des chevrons 4 sur lesquels reposent des éléments de couverture 5.The roof 2 comprises here, conventionally, a wooden frame made up of purlins 3 carrying rafters 4 on which cover elements 5 rest.

Un dispositif de doublage, conforme à l'invention, est rapporté sur la charpente de toit et sur le mur extérieur. Ce dispositif de doublage comporte une ossature de doublage, composée d'une part de lattes horizontales 6 pour le doublage de la toiture et d'autre part de lattes verticales 7 pour le doublage du mur 1. Ces lattes sont communément appelées fourrures.A dubbing device, in accordance with the invention, is attached to the roof structure and to the exterior wall. This dubbing device includes a doubling frame, composed on the one hand of horizontal slats 6 for doubling the roof and on the other hand of vertical slats 7 for doubling the wall 1. These slats are commonly called furs.

Les lattes de doublage 6 et 7 sont respectivement fixées à des éléments de structure de la toiture 2 et du mur 1 à doubler au moyen d'une pluralité d'accessoires d'entretoisement 10.The lining slats 6 and 7 are respectively fixed to structural elements of the roof 2 and of the wall 1 to be lined by means of a plurality of bracing accessories 10.

Chaque accessoire d'entretoisement 10, visible aux figures 2a et 2b, comporte une portion centrale 11, s'étendant selon un axe X1, se présentant, dans un premier mode de réalisation, sous la forme d'une tige 12 pourvue de moyens de sa fixation 14 en porte-à-faux à la toiture 2 ou au mur 1 et dont l'autre extrémité, dite avant, est pourvue d'une pièce de raccord pourvu de moyens de son assemblage 19 avec la latte 6, 7 dont l'accessoire assure le maintien. Au montage, la tige 12 est disposée pour s'étendre suivant une direction sensiblement perpendiculaire à la toiture 2 ou au mur 1. Des panneaux de matériaux isolants sont agencés entre la toiture 2 ou le mur 1 et les lattes 6, 7 utilisées pour porter une paroi de doublage.Each bracing accessory 10, visible at figure 2a and 2b , comprises a central portion 11, extending along an axis X1, being, in a first embodiment, in the form of a rod 12 provided with means for its attachment 14 cantilevered to the roof 2 or to the wall 1 and the other end of which, called the front end, is provided with a connecting piece provided with means for its assembly 19 with the slat 6, 7 which the accessory maintains. On assembly, the rod 12 is arranged to extend in a direction substantially perpendicular to the roof 2 or to the wall 1. Panels of insulating materials are arranged between the roof 2 or the wall 1 and the slats 6, 7 used to carry a lining wall.

Les accessoires d'entretoisement 10 qui servent au doublage de la toiture sont fixés aux chevrons 4. Ils comportent, à cet effet, chacun, comme moyens de fixation 14, une platine ou base longitudinale de fixation 141 vissée sur le flanc du chevron 4 concerné. Les accessoires d'entretoisement 10 qui sont fixés au mur 1 comportent à cet effet chacun, comme moyens de fixation 14, une platine transversale de fixation 142 vissée sur le mur 1.The spacer accessories 10 which are used to double the roof are fixed to the rafters 4. They comprise, for this purpose, each, as fixing means 14, a plate or longitudinal fixing base 141 screwed onto the side of the rafter 4 concerned. . The bracing accessories 10 which are fixed to the wall 1 each comprise for this purpose, as fixing means 14, a transverse fixing plate 142 screwed to the wall 1.

Les platines 141, 142 peuvent être faites de matière avec la tige 12 ou être des pièces rapportées à la tige 12 par l'intermédiaire de moyens divers.The plates 141, 142 can be made of material with the rod 12 or be parts attached to the rod 12 by various means.

Selon une caractéristique avantageuse visible à la figure 3, la tige 12 est conçue pour permettre un réglage de sa longueur. La tige 12 comporte une première partie 121 et une seconde partie 123. Les moyens de fixation 14 de la tige sont agencés sur la première partie 121 alors que les moyens d'assemblage 19 avec la latte 6, 7 dont l'accessoire assure le maintien sont agencés sur la seconde partie 123 ou inversement. La première partie 121 et la seconde partie 123 sont montées pour coulisser l'une par rapport à l'autre. Des moyens pour le coulissage des parties de la tige 125 et des moyens de verrouillage 127 sont prévus. Les moyens pour le coulissage des parties de la tige 125 sont utilisés pour permettre d'ajuster la longueur de la tige alors que les moyens de verrouillage sont utilisés pour verrouiller la position de la première partie 121 par rapport à la seconde partie 123.According to an advantageous characteristic visible at the picture 3 , the rod 12 is designed to allow adjustment of its length. The rod 12 comprises a first part 121 and a second part 123. The fixing means 14 of the rod are arranged on the first part 121 while the assembly means 19 with the slat 6, 7 whose accessory ensures the maintenance are arranged on the second part 123 or vice versa. The first part 121 and the second part 123 are mounted to slide relative to each other. Means for sliding the parts of the rod 125 and locking means 127 are provided. The means for sliding the parts of the rod 125 are used to allow the length of the rod to be adjusted, while the locking means are used to lock the position of the first part 121 with respect to the second part 123.

Selon une première forme d'exécution visible aux figures 4a à 4d, les moyens pour le coulissage des parties de la tige 125 se présentent sous la forme d'un système de rail. Pour cela, les moyens pour le coulissage 125 des parties de la tige comprennent un rail 1250 agencé sur une des deux parties 121, 123, par exemple la première partie 121. Ce rail 1250 consiste en une gorge 1251, traversante ou non, dans lequel un moyen de guidage 1252 agencé sur l'autre partie, ici la seconde partie 123, peut se déplacer. Ce moyen de guidage 1252 comprend une goupille 1253 ou tète de guidage sous forme cylindrique. Cette goupille 1253 est dimensionnée pour s'insérer dans la gorge 1251 formant le rail 1250.According to a first embodiment visible in figures 4a to 4d , them means for sliding the parts of the rod 125 are in the form of a rail system. For this, the means for the sliding 125 of the parts of the rod comprise a rail 1250 arranged on one of the two parts 121, 123, for example the first part 121. This rail 1250 consists of a groove 1251, crossing or not, in which a guide means 1252 arranged on the other part, here the second part 123, can move. This guide means 1252 comprises a pin 1253 or guide head in cylindrical form. This pin 1253 is sized to fit into the groove 1251 forming the rail 1250.

Idéalement, la première partie 121 et la seconde partie 123 ont une forme complémentaire. Par exemple, pour avoir une tige cylindrique, alors la première partie 121 et la seconde partie 123 ont chacune une forme en coupe ou section de demi-cercle, le rail 1250 et le moyen de guidage 1252 étant agencés chacun sur la face plane du demi-cercle de chaque partie.Ideally, the first part 121 and the second part 123 have a complementary shape. For example, to have a cylindrical rod, then the first part 121 and the second part 123 each have a cross-sectional shape or section of a semicircle, the rail 1250 and the guide means 1252 each being arranged on the flat face of the half -circle of each part.

Dans cette première forme d'exécution, les moyens de verrouillage 127 comprennent, sur la première partie 121 ou la seconde partie 123, une pince 1270 comprenant un bras élastique 1271. Le bras 1271 à une forme telle qu'il définit, avec la partie de la tige sur laquelle il est fixé, un espace ayant la forme de la partie à verrouiller. Par exemples, la partie à verrouiller à une section en demi-cercle, alors le bras 1271 formant la pince 1270 a une géométrie telle qu'il définit un espace semi-circulaire dans lequel la partie à verrouiller peut s'insérer. Ce bras 1271 est ainsi conçu pour générer un pincement et permettre un verrouillage.In this first embodiment, the locking means 127 comprise, on the first part 121 or the second part 123, a clamp 1270 comprising an elastic arm 1271. The arm 1271 has a shape such that it defines, with the part of the rod on which it is fixed, a space having the shape of the part to be locked. For example, the part to be locked has a semi-circular section, then the arm 1271 forming the clamp 1270 has a geometry such that it defines a semi-circular space in which the part to be locked can be inserted. This arm 1271 is thus designed to generate pinching and allow locking.

L'utilisation de cette première forme d'exécution consiste à fixer le dispositif d'entretoisement 10 via les moyens de fixation 14 comme visible à la figure 4a. Ensuite, la seconde étape consiste à déverrouiller la position de la seconde partie 123 par rapport à la première partie 121 comme visible à la figure 4b. Pour cela, la seconde partie 123 est manipulée pour être pivotée par rapport à l'axe de la goupille. Dans une troisième étape, l'opérateur manipule la seconde partie 123 en faisant coulisser la goupille 1254 dans le rail 1250. Une fois la seconde partie 123 placée à la distance souhaitée, l'opérateur la manipule pour que cette partie puisse rentrer dans l'espace formé par le bras 1271. Cela verrouille la position de la seconde partie 123 comme visible à la figure 4c. Il ne reste plus qu'à fixer la membrane M comme visible à la figure 4d en la maintenant.The use of this first embodiment consists in fixing the spacer device 10 via the fixing means 14 as visible in figure 4a . Then, the second step consists in unlocking the position of the second part 123 with respect to the first part 121 as visible in the figure 4b . For this, the second part 123 is manipulated to be pivoted with respect to the axis of the pin. In a third step, the operator manipulates the second part 123 by sliding the pin 1254 in the rail 1250. Once the second part 123 has been placed at the desired distance, the operator manipulates it so that this part can enter the space formed by the arm 1271. This locks the position of the second part 123 as seen at figure 4c . All that remains is to fix the membrane M as visible on the 4d figure in it now.

Dans une seconde forme d'exécution, un mécanisme de réglage par échelons de la longueur (L) de la tige par coulissement relatif de la première partie 121 et de la seconde partie 123 est utilisé pour permettre à la première partie 121 et à la seconde partie 123 de coulisser l'une par rapport à l'autre dans la direction axiale. Ce coulissement est permis lorsque la première partie 121 et de la seconde partie 123 sont dans une première position angulaire relative l'une par rapport à l'autre. Le mécanisme de réglage 125 est tel que la première partie 121 et de la seconde partie 123 ne sont adaptées pour pivoter, vers une deuxième position angulaire relative dans laquelle elles sont bloquées en translation axiale, que dans une pluralité de positions de réglage échelonnées dans la direction axiale selon un pas grossier P compris entre 0,1 et 5 cm, de préférence entre 0,5 et 2 cm, encore plus préférentiellement entre 0,8 et 1,3 cm. Des moyens de blocage en rotation de la première partie 121 et de la seconde partie 123 dans la deuxième position angulaire sont donc présents.In a second embodiment, a mechanism for adjusting the length (L) of the rod in steps by relative sliding of the first part 121 and of the second part 123 is used to allow the first part 121 and the second part 123 to slide relative to each other in the axial direction. This sliding is permitted when the first part 121 and the second part 123 are in a first angular position relative to each other. The adjustment mechanism 125 is such that the first part 121 and the second part 123 are adapted to pivot, towards a second relative angular position in which they are locked in axial translation, only in a plurality of staggered adjustment positions in the axial direction in a coarse pitch P of between 0.1 and 5 cm, preferably between 0.5 and 2 cm, even more preferably between 0.8 and 1.3 cm. Means for locking the first part 121 and the second part 123 in rotation in the second angular position are therefore present.

A ce titre, une variante, visible à la figure 5, consiste à ce que la première partie 121 comporte une partie de réglage adaptée pour recevoir la seconde partie 123 et munie d'une pluralité de crans 121a espacés axialement du pas grossier P. La seconde partie 123 est une tige qui comporte des ergots 123a ménagés à sa périphérie et adaptés pour coopérer avec lesdits crans 121a. La première partie 121 présente une ouverture 121b pour insérer la seconde partie 123. Cette ouverture 121b comporte pour cela une partie centrale de section interne circulaire, de diamètre légèrement supérieur à celui de la tige, et deux logements diamétralement opposés s'ouvrant sur ladite partie centrale et s'étendant axialement, destinés à recevoir les ergots 123a de la seconde partie 123 dans une première position angulaire. Les moyens de verrouillage 127 en rotation de la seconde partie 123 et de la première partie 121, dans la deuxième position angulaire, sont prévus et comprennent des moyens de clipsage 127a comprenant une languette de clipsage 127b délimitant un cran 121a adapté pour se déplacer en coopérant avec un ergot 123a de la seconde partie 123 lors d'une rotation de la première à la deuxième position angulaire et pour empêcher le retour de l'ergot 123a, une fois la deuxième position angulaire atteinte. Le passage de la deuxième position angulaire à la première position angulaire se fait en exerçant, via la seconde partie 123, une pression sur la languette de clipsage 127b. La languette de clipsage 127b se déforme alors permettant la libération de l'ergot 123a et la mise en rotation de la seconde partie 123.As such, a variant, visible at figure 5 , consists in that the first part 121 comprises an adjustment part adapted to receive the second part 123 and provided with a plurality of notches 121a spaced axially from the coarse pitch P. The second part 123 is a rod which comprises lugs 123a formed at its periphery and adapted to cooperate with said notches 121a. The first part 121 has an opening 121b for inserting the second part 123. This opening 121b comprises for this a central part of circular internal section, of diameter slightly greater than that of the rod, and two diametrically opposed housings opening on said part central and extending axially, intended to receive the lugs 123a of the second part 123 in a first angular position. The means 127 for locking the second part 123 and the first part 121 in rotation, in the second angular position, are provided and comprise clipping means 127a comprising a clipping tongue 127b delimiting a notch 121a adapted to move by cooperating with a pin 123a of the second part 123 during a rotation from the first to the second angular position and to prevent the return of the pin 123a, once the second angular position has been reached. The passage from the second angular position to the first angular position is done by exerting, via the second part 123, a pressure on the clipping tab 127b. The clipping tongue 127b then deforms allowing the release of the lug 123a and the rotation of the second part 123.

Dans une autre variante visible à la figure 6, la seconde partie 123 est ici munie, à son extrémité avant, d'un tronçon de réglage fin muni à sa périphérie d'une pluralité de nervures primaires 123a', régulièrement espacées les unes des autres, parallèles entre elles, et orthogonales à la direction axiale X1.In another variant visible at figure 6 , the second part 123 is here provided, at its front end, with a fine adjustment section provided at its periphery with a plurality of primary ribs 123a', regularly spaced from each other, parallel to each other, and orthogonal to the axial direction X1.

Dans l'exemple particulier représenté, la seconde partie 123 (avec ses nervures) est tronquée sur deux portions angulaires primaires tronquées 123b', diamétralement opposées, chaque portion angulaire primaire tronquée 123b' s'étendant sur un angle strictement supérieur à 90 degrés, par exemple mais non limitativement compris entre 120 et 150 degrés. Entre ces portions primaires tronquées 123b' sont définies des portions primaires non-tronquées de la tige.In the particular example shown, the second part 123 (with its ribs) is truncated over two truncated primary angular portions 123b', diametrically opposed, each truncated primary angular portion 123b' extending over an angle strictly greater than 90 degrees, by example but not limited to between 120 and 150 degrees. Between these truncated primary portions 123b' are defined non-truncated primary portions of the rod.

La première partie 121 est pour sa part munie d'une pluralité de nervures secondaires 121a' faisant saillie dans son ouverture d'emmanchement 121c' et adaptée pour coopérer avec les nervures primaires 123a' de la seconde partie 123 pour le blocage en translation de la seconde partie 123 par rapport à la première partie 121.The first part 121 is for its part provided with a plurality of secondary ribs 121a' protruding into its fitting opening 121c' and adapted to cooperate with the primary ribs 123a' of the second part 123 for the locking in translation of the second part 123 with respect to the first part 121.

Selon un exemple, les nervures secondaires 121a' sont tronquées sur deux secteurs angulaires 121c' d'angle supérieur à l'angle des portions primaires non-tronquées de la seconde partie, et opposés diamétralement.According to one example, the secondary ribs 121a' are truncated over two angular sectors 121c' with an angle greater than the angle of the non-truncated primary portions of the second part, and diametrically opposed.

La seconde partie 123 est ainsi libre de coulisser, dans la direction axiale X1, lorsque ses portions de nervures secondaires 123a' se trouvent en regard des portions tronquées 123b' de la première partie et que ses portions tronquées 121c' sont en regard des portions non-tronquées 123a'. A contrario, la seconde partie 123 est bloquée en translation dans la direction axiale X1 le long de la première partie lorsque les portions de nervures secondaires 121a' se trouvent en regard des portions de nervures primaires 123a'.The second part 123 is thus free to slide, in the axial direction X1, when its portions of secondary ribs 123a' are opposite the truncated portions 123b' of the first part and when its truncated portions 121c' are opposite the portions not -truncated 123a'. Conversely, the second part 123 is blocked in translation in the axial direction X1 along the first part when the portions of secondary ribs 121a' are opposite the portions of primary ribs 123a'.

Bien entendu, d'autres formes d'exécutions sont possibles. Par exemple, la première partie 121 se présente sous la forme d'un tube de section carré ou circulaire, tronqué au niveau de la périphérie pour que la seconde partie 123 puisse s'insérer. Ainsi, dans le cas d'une section carré, la première partie 121 sous forme d'un tube tronqué se présente sous la forme d'un profil en U. La seconde partie 123 est alors agencée pour s'insérer dans le tube formant la première partie. Pour le verrouillage de la position, les moyens de verrouillage se présentent ici sous la forme d'excroissances et de trous traversants ou borgnes. Ces excroissances s'étendent radialement et sont agencées pour s'insérer dans des trous. Les excroissances peuvent être agencées sur la première partie 121 et les trous sur la seconde partie 123 ou inversement. Ces excroissances peuvent avoir diverses formes comme par exemple cylindrique ou en forme de lame. Les trous ont alors une forme qui est le négatif de celle des excroissances. Cela permet ainsi un emboitement parfait et donc un bon maintien des deux parties.Of course, other forms of execution are possible. For example, the first part 121 is in the form of a square or circular section tube, truncated at the periphery so that the second part 123 can be inserted. Thus, in the case of a square section, the first part 121 in the form of a truncated tube is in the form of a U-shaped profile. The second part 123 is then arranged to be inserted into the tube forming the first part. For locking the position, the locking means are here in the form of protrusions and through or blind holes. These protrusions extend radially and are arranged to fit into holes. The protrusions can be arranged on the first part 121 and the holes on the second part 123 or vice versa. These protrusions can have various shapes such as for example cylindrical or blade-shaped. The holes then have a shape which is the negative of that of the growths. This allows a perfect interlocking and therefore a good maintenance of the two parts.

Selon une autre forme d'exécution, la première partie 121 se présente sous la forme d'une pièce tubulaire dans laquelle la seconde partie 123 coulisse. La seconde partie comprend une série d'ouvertures. La première partie 121 comprend au moins une ouverture. Cette ouverture de la première partie 121 est identique aux ouvertures de la seconde partie 123. Ainsi, les deux parties 121, 123 sont agencées pour qu'en coulissant l'une dans l'autre, l'ouverture de la première partie 121 se retrouve en regard d'une ouverture de la série de la seconde partie 123. Cette mise en regard des ouvertures permet à un tenon de s'insérer dans les deux ouvertures en regard l'une de l'autre pour verrouiller la position de la seconde partie 123 par rapport à la première partie 121. Ce tenon est placé sur une lame élastique agencé sur la première partie. Cela permet à l'utilisation d'agit sur la lame élastique pour enlever le tenon des ouvertures, faire le réglage de la longueur en alignant une ouverture de la seconde partie avec une ouverture de la première partie pis relâcher la lame élastique pour que le tenon verrouille la position réglée.According to another embodiment, the first part 121 is in the form of a tubular part in which the second part 123 slides. The second part includes a series of openings. The first part 121 includes at least one opening. This opening of the first part 121 is identical to the openings of the second part 123. Thus, the two parts 121, 123 are arranged so that by sliding one inside the other, the opening of the first part 121 is found opposite an opening of the series of the second part 123. This facing of the openings allows a tenon to be inserted into the two openings facing each other to lock the position of the second part 123 with respect to the first part 121. This tenon is placed on an elastic blade arranged on the first part. This allows the user to act on the elastic blade to remove the tenon from the openings, adjust the length by aligning an opening of the second part with an opening of the first part and releasing the elastic blade so that the tenon locks the set position.

Chaque accessoire d'entretoisement présente ainsi une longueur hors tout (correspondant à la distance entre ses points extrêmes suivant sa direction longitudinale) typiquement comprise entre 200 et 350 millimètres lorsqu'il est pourvu de toutes ses platines de fixation.Each bracing accessory thus has an overall length (corresponding to the distance between its end points along its longitudinal direction) typically between 200 and 350 millimeters when it is provided with all its fixing plates.

La tige 12 comprend, a une extrémité, à l'opposé des moyens de fixation 14, des moyens d'attache 13 d'une membrane. Ces moyens d'attache 13 comprennent une première mâchoire 15 et une seconde membrane 17. La première mâchoire 15 coopère avec la seconde mâchoire 17 par l'intermédiaire de moyens d'accouplage 16 comme visible à la figure 7. Ces moyens d'accouplage 16 sont agencés sur la première mâchoire 15 et la seconde mâchoire 17. Astucieusement selon l'invention, les moyens d'accouplage 16 sont agencés pour permettre le serrage axial de la seconde mâchoire 17 avec la première mâchoire 15 tout en permettant le pincement entre elles, après accouplage, de la membrane M. Ces mâchoires 15, 17 sont alors conçues pour permettre à la membrane M de s'intercaler entre lesdites machoires 15, 17. Ainsi, la seconde mâchoire 17 est uniquement portée par la première mâchoire 15.The rod 12 comprises, at one end, opposite the fixing means 14, means 13 for attaching a membrane. These attachment means 13 comprise a first jaw 15 and a second membrane 17. The first jaw 15 cooperates with the second jaw 17 via coupling means 16 as seen in figure 7 . These coupling means 16 are arranged on the first jaw 15 and the second jaw 17. Cleverly according to the invention, the coupling means 16 are arranged to allow the axial clamping of the second jaw 17 with the first jaw 15 while allowing the pinching between them, after coupling, of the membrane M. These jaws 15, 17 are then designed to allow the membrane M to be inserted between said jaws 15, 17. Thus, the second jaw 17 is only carried by the first jaw 15.

Encore plus astucieusement, ce pincement de la membrane M par la première mâchoire 15 et la seconde mâchoire 17 permet d'éviter d'embrocher, de percer ladite membrane à la tige 12 et ainsi ne pas le fragiliser ou créer des pertes localisées de performances. Cela permet d'avoir une membrane qui reste intègre après sa mise en place et l'assemblage des machoires 15, 17.Even more cleverly, this pinching of the membrane M by the first jaw 15 and the second jaw 17 makes it possible to avoid skewering, piercing said membrane at the rod 12 and thus not weakening it or creating localized losses of performance. This makes it possible to have a membrane which remains intact after its installation and the assembly of the jaws 15, 17.

Pour cela, la première mâchoire 15 comprend un fond circulaire 15a à la périphérie duquel une paroi latérale, circulaire 15b s'étend. Cette paroi latérale 15b s'étend dans une direction parallèle à l'axe centrale du fond. Le fond 15a peut être plat ou conique et comprend une face supérieure 151a et une face inférieure 152a. La face supérieure est la face à partir de laquelle la paroi latérale 15b s'étend. La face inférieure est la face par laquelle la première mâchoire 15 est solidaire de la tige 12. La paroi latérale 15b comprend une face intérieure 151b et une face extérieure 152b.For this, the first jaw 15 comprises a circular bottom 15a at the periphery of which a side wall, circular 15b extends. This side wall 15b extends in a direction parallel to the central axis of the bottom. The bottom 15a can be flat or conical and comprises an upper face 151a and a lower face 152a. The top face is the face from which the side wall 15b extends. The lower face is the face by which the first jaw 15 is secured to the rod 12. The side wall 15b comprises an inner face 151b and an outer face 152b.

Dans un premier exemple de réalisation visible à la figure 8a, la première mâchoire 15 est faite de matière avec ladite tige 12 c'est-à-dire que la tige et la première mâchoire 15 sont monoblocs.In a first embodiment example visible in figure 8a , the first jaw 15 is made of material with said rod 12, that is to say that the rod and the first jaw 15 are made in one piece.

Dans un second exemple de réalisation visible à la figure 8b, la première mâchoire est une pièce rapportée c'est-à-dire qui vient se fixer sur ladite tige. Pour se faire, le fond 15a comprend, préférentiellement en son centre, et sur la face inférieure 152a, un trou traversant ou borgne par lequel ladite première mâchoire 15 est fixée à la tige 12. Des moyens d'arrimage sont prévus pour fixer de la première mâchoire 15 à la tige. Ces moyens d'arrimage permettent le clipsage ou le vissage ou l'insertion à force de la première mâchoire 15 avec la tige.In a second embodiment example visible in figure 8b , the first jaw is an added piece, that is to say which is fixed on said rod. To do this, the bottom 15a comprises, preferably in its center, and on the lower face 152a, a through or blind hole through which said first jaw 15 is fixed to the rod 12. Securing means are provided for fixing the first jaw 15 to the rod. These securing means allow the clipping or the screwing or the insertion by force of the first jaw 15 with the rod.

Optionnellement, le fond 15a de la première mâchoire 15 est remplacé mais au moins deux bras. Dans un premier exemple, les deux bras sont faits de matière avec la tige 12. Dans un second exemple, les deux bras sont connectés à un canon ou tube de fixation permettant le clipsage ou le vissage ou l'insertion à force de la première mâchoire 15 avec la tige. Ce fond 15a peut optionnellement être carré ou octogonal, la paroi latérale 15b restant circulaire.Optionally, the bottom 15a of the first jaw 15 is replaced but at least two arms. In a first example, the two arms are made of material with the rod 12. In a second example, the two arms are connected to a fixing barrel or tube allowing the clipping or the screwing or the insertion by force of the first jaw 15 with stem. This bottom 15a can optionally be square or octagonal, the side wall 15b remaining circular.

La seconde mâchoire 17 comprend un fond circulaire 17a à la périphérie duquel une paroi latérale, circulaire 17b s'étend. Le fond 17a peut être plat ou conique et comprend une face supérieure 171a et une face inférieure 172a. La face supérieure 171a est la face à partir de laquelle la paroi latérale 17b s'étend. La paroi latérale 17b comprend une face intérieure 171b et une face extérieure 172b.The second jaw 17 comprises a circular bottom 17a at the periphery of which a circular side wall 17b extends. The bottom 17a can be flat or conical and comprises an upper face 171a and a lower face 172a. Top face 171a is the face from which side wall 17b extends. The side wall 17b includes an inner face 171b and an outer face 172b.

Optionnellement, le fond 17a de la seconde mâchoire 17 est partiellement ouvert ou supprimé, il ne reste que la paroi 17b. Ce fond 17a peut optionnellement être carré ou octogonal, la paroi latérale 17b restant circulaire.Optionally, the bottom 17a of the second jaw 17 is partially open or eliminated, only the wall 17b remains. This bottom 17a can optionally be square or octagonal, the side wall 17b remaining circular.

Les moyens d'accouplage 16 permettant le serrage axial de la seconde mâchoire 17 avec la première mâchoire 15 sont agencés sur la paroi latérale 15b, 17b des mâchoires 15, 17. Ce serrage axial est obtenu par un mouvement de rotation entre la première mâchoire et la seconde mâchoire. Le plan de rotation est sensiblement perpendiculaire à la direction de la portion principale 11 de l'accessoire d'entretoisement.The coupling means 16 allowing the axial clamping of the second jaw 17 with the first jaw 15 are arranged on the side wall 15b, 17b of the jaws 15, 17. This axial clamping is obtained by a rotation movement between the first jaw and the second jaw. The plane of rotation is substantially perpendicular to the direction of the main portion 11 of the bracing accessory.

Selon une première réalisation visible à la figure 9, les moyens d'accouplage 16 comprennent un premier filetage 160a agencé sur la face extérieure 152b de la paroi latérale 15b de la première mâchoire 15 et un second filetage 160b agencé sur la face intérieure 171b de la paroi latérale 17b de la seconde mâchoire. Le premier filetage 160a et le second filetage 160b sont agencés pour coopérer l'un avec l'autre, lors d'un mouvement de rotation, permettant ainsi le serrage de la seconde mâchoire 17 avec la première mâchoire 15.According to a first realization visible at figure 9 , the coupling means 16 comprise a first thread 160a arranged on the outer face 152b of the side wall 15b of the first jaw 15 and a second thread 160b arranged on the inner face 171b of the side wall 17b of the second jaw. The first thread 160a and the second thread 160b are arranged to cooperate with each other, during a rotational movement, thus allowing the clamping of the second jaw 17 with the first jaw 15.

Selon une seconde réalisation visible aux figures 10a et 10b, les moyens d'accouplage 16 se présentent sous la forme d'un système dit quart de tour. Pour cela, la face extérieure 152b de la paroi latérale 15b de la première mâchoire 15 comprend au moins une ligne saillante 161a. Préférentiellement, la face extérieure 152b de la paroi latérale 15b de la première mâchoire 15 comprend au moins deux lignes saillantes 161a. Ces lignes saillantes 161a sont régulièrement réparties de sorte que, dans le cas de deux lignes saillantes 161a, elles sont diamétralement opposées. Ces lignes saillantes 161a s'étendent le long de la paroi circulaire 15b dans un plan orthogonal à l'axe central de la première mâchoire 15. La face intérieure 171 b de la paroi latérale 17b de la seconde mâchoire 17 comprend des lignes saillantes 161b dont le nombre est égal au nombre de lignes saillantes 161a agencés sur la première mâchoire 15. Ces lignes saillantes 161a, 161b sont également régulièrement réparties de sorte que des espaces 161c, 161d soient présents. Ces lignes saillantes 161a, 161b s'étendent le long de la paroi circulaire dans un plan orthogonal à l'axe central de la seconde mâchoire 17.According to a second realization visible in figures 10a and 10b , the coupling means 16 are in the form of a so-called quarter-turn system. For this, the outer face 152b of the side wall 15b of the first jaw 15 comprises at least one projecting line 161a. Preferably, the outer face 152b of the side wall 15b of the first jaw 15 comprises at least two projecting lines 161a. These salient lines 161a are regularly distributed so that, in the case of two salient lines 161a, they are diametrically opposed. These projecting lines 161a extend along the circular wall 15b in a plane orthogonal to the central axis of the first jaw 15. The inner face 171b of the side wall 17b of the second jaw 17 comprises projecting lines 161b whose the number is equal to the number of projecting lines 161a arranged on the first jaw 15. These projecting lines 161a, 161b are also regularly distributed so that spaces 161c, 161d are present. These projecting lines 161a, 161b extend along the circular wall in a plane orthogonal to the central axis of the second jaw 17.

Les lignes saillantes 161b de la seconde mâchoire 17 et les lignes saillantes 161a de la première mâchoire 15 sont rectilignes et ont une longueur telle que les lignes saillantes 161b de la seconde mâchoire 17 peuvent s'insérer dans l'espace 161c entre deux lignes saillantes de la première mâchoire 15.The projecting lines 161b of the second jaw 17 and the projecting lines 161a of the first jaw 15 are straight and have a length such that the projecting lines 161b of the second jaw 17 can fit into the space 161c between two projecting lines of the first jaw 15.

Le montage de la seconde mâchoire 17 sur la première mâchoire 15 consiste alors à placer la seconde mâchoire 17 de sorte que ses lignes saillantes 161b soient en regard des espaces 161c présents entre deux lignes saillantes 161a de la première mâchoire 15. Une rotation de la seconde mâchoire 17 permet de placer les lignes saillantes 161b de la seconde mâchoire 17 sous les lignes saillantes 161a de la première mâchoire 15. Cette coopération des lignes saillantes 161b de la seconde mâchoire 17 et des lignes saillantes 161a de la première mâchoire 15 permet d'intercaler la membrane M entre les deux machoires sans la percer et plus particulièrement entre les lignes saillantes. Celles-ci sont dimensionnées pour laisser la membrane intègre.The assembly of the second jaw 17 on the first jaw 15 then consists in placing the second jaw 17 so that its projecting lines 161b are opposite the spaces 161c present between two projecting lines 161a of the first jaw 15. A rotation of the second jaw 17 makes it possible to place the projecting lines 161b of the second jaw 17 under the projecting lines 161a of the first jaw 15. This cooperation of the projecting lines 161b of the second jaw 17 and projecting lines 161a of the first jaw 15 makes it possible to insert the membrane M between the two jaws without piercing it and more particularly between the projecting lines. These are sized to leave the membrane intact.

La rotation permettant le verrouillage des deux machoires n'est pas forcément d'un quart de tour soit 90°. La rotation doit être suffisante pour permettre aux lignes saillantes 161b de la seconde mâchoire 1 de passer sous les lignes saillantes 161a de la première mâchoire 15.The rotation allowing the locking of the two jaws is not necessarily a quarter turn or 90°. The rotation must be sufficient to allow the projecting lines 161b of the second jaw 1 to pass under the projecting lines 161a of the first jaw 15.

Dans le cas d'une seule ligne saillante 161a ; celle-ci est telle qu'elle s'étend angulairement selon un angle supérieure à 180 degré. Préférentiellement, la seconde mâchoire 17 présente au moins lignes saillantes 161b de sorte que ces lignes saillantes 161b soient retenues par ladite ligne saillante 161a.In the case of a single projecting line 161a; the latter is such that it extends angularly at an angle greater than 180 degrees. Preferably, the second jaw 17 has at least projecting lines 161b so that these projecting lines 161b are retained by said projecting line 161a.

Selon le sens de rotation souhaité, les lignes saillantes 161a de la première mâchoire 15 comprennent, optionnellement, une butée d'arrêt bloquant la rotation de la seconde mâchoire 17.Depending on the desired direction of rotation, the projecting lines 161a of the first jaw 15 optionally include a stop blocking the rotation of the second jaw 17.

Dans une variante, les lignes saillantes 161a, 161b sont agencées pour être inclinées par rapport au plan orthogonale à l'axe central des mâchoires 15, 17. Cette inclinaison est telle qu'elle permet un serrage des mâchoires 15, 17 l'une sur l'autre comme visible à la figure 10c.In a variant, the projecting lines 161a, 161b are arranged to be inclined with respect to the plane orthogonal to the central axis of the jaws 15, 17. This inclination is such that it allows clamping of the jaws 15, 17 one on the other as visible to the figure 10c .

Selon une troisième réalisation visible aux figures 11a et 11b, les moyens d'accouplage 16 se présentent sous la forme d'un système à baïonnette. Un tel système à baïonnette une paire de cavité 162 agencé sur une mâchoire. Chaque cavité 162 est formée par un dégagement 162a parallèle à l'axe central de la mâchoire et débouchant par rapport au rebord de la paroi latérale 15b, et, sécante avec ledit dégagement et à l'opposé du rebord de la paroi latérale, une gorge borgne 162b. Cette gorge 162b est utilisée pour l'immobilisation en baïonnette. L'autre mâchoire comprend alors des ergots 163 dont le nombre est égal au nombre de cavité. Chaque ergot est dimensionné pour s'insérer dans ladite cavité 162. L'assemblage des deux mâchoires 15, 17 consiste à placer chaque ergot dans le dégagement d'une cavité 162 pour ensuite déplacer ladite mâchoire dans la direction axiale de ladite mâchoire. Lorsque les ergots sont en regard des gorges 162b borgnes, un mouvement de rotation est opéré pour verrouiller les mâchoires 15, 17 l'une à l'autre.According to a third realization visible to the figure 11a and 11b , the coupling means 16 are in the form of a bayonet system. Such a bayonet system has a pair of cavities 162 arranged on a jaw. Each cavity 162 is formed by a clearance 162a parallel to the central axis of the jaw and emerging with respect to the edge of the side wall 15b, and, secant with said clearance and opposite the edge of the side wall, a groove blind 162b. This groove 162b is used for bayonet immobilization. The other jaw then comprises lugs 163 whose number is equal to the number of cavities. Each lug is sized to fit into said cavity 162. The assembly of the two jaws 15, 17 consists of placing each lug in the recess of a cavity 162 to then move said jaw in the axial direction of said jaw. When the lugs are opposite the blind grooves 162b, a rotational movement is operated to lock the jaws 15, 17 to each other.

Si la ou les cavités 162 sont agencées sur la face extérieure 152b de la première mâchoire 15 alors les ergots sont agencés sur la face intérieure 171b de la seconde mâchoire 17 ou inversement. De même, les cavités peuvent être agencées sur la seconde mâchoire 17 et les ergots sur la première mâchoire 15.If the cavity or cavities 162 are arranged on the outer face 152b of the first jaw 15 then the lugs are arranged on the inner face 171b of the second jaw 17 or vice versa. Similarly, the cavities can be arranged on the second jaw 17 and the lugs on the first jaw 15.

La mise en place de la membrane M consiste donc, après installation du dispositif d'entretoisement 10 et du réglage de sa longueur à se munir de ladite membrane. La membrane M est avantageusement une membrane d'étanchéité à l'air et/ou de gestion de la vapeur d'eau, de préférence une membrane assurant à la fois ces deux fonctions. La membrane de gestion de la vapeur d'eau est avantageusement une membrane pare-vapeur ou une membrane hygrorégulante, c'est-à-dire dont la perméance à la vapeur d'eau varie en fonction de l'humidité relative ambiante. La membrane M est constituée d'une feuille ou d'une pluralité de feuilles assemblées ensemble. Cette membrane M est alors placée contre la première mâchoire 15. L'opérateur se muni alors de la seconde mâchoire 17 et vient la placer, au travers de la membrane, en regard de la première mâchoire 15. La seconde mâchoire 17 est manipulée pour que les moyens d'accouplage 16 permettant le serrage axial de la seconde mâchoire 17 avec la première mâchoire 15 s'enclenchent. On comprend donc que le filetage ou les lignes saillantes de la seconde mâchoire s'enclenchent avec le filetage ou les lignes saillantes de la première mâchoire lors d'un mouvement de rotation de la seconde mâchoire par rapport à la première mâchoire. Astucieusement, le filetage ou les lignes saillantes de la première mâchoire 15 et de la seconde mâchoire 17 seront dimensionnés pour que la membrane M s'y insère comme visible aux figures 12 et 13. Ainsi, dans le cas d'un filetage, les dimensions du pas de vis et des filets seront telles que la membrane M s'insère entre le filetage de la première mâchoire 15 et le filetage de la seconde mâchoire 17 sans risque d'être déchirée.The installation of the membrane M therefore consists, after installation of the bracing device 10 and the adjustment of its length, in providing said membrane. Membrane M is advantageously an airtight and/or water vapor management membrane, preferably a membrane providing both of these functions. The water vapor management membrane is advantageously a vapor barrier membrane or a hygroregulating membrane, that is to say the water vapor permeance of which varies according to the ambient relative humidity. The membrane M consists of a sheet or a plurality of sheets assembled together. This membrane M is then placed against the first jaw 15. The operator then takes the second jaw 17 and places it, through the membrane, opposite the first jaw 15. The second jaw 17 is manipulated so that the coupling means 16 allowing the axial clamping of the second jaw 17 with the first jaw 15 engage. It is therefore understood that the thread or the projecting lines of the second jaw engage with the thread or the projecting lines of the first jaw during a rotational movement of the second jaw with respect to the first jaw. Cleverly, the thread or the projecting lines of the first jaw 15 and of the second jaw 17 will be dimensioned so that the membrane M is inserted therein as visible to the figures 12 and 13 . Thus, in the case of a thread, the dimensions of the screw pitch and of the threads will be such that the membrane M is inserted between the thread of the first jaw 15 and the thread of the second jaw 17 without risk of being torn. .

Ainsi, le dispositif d'entretoisement 10 selon l'invention permet d'éviter toute rupture de l'intégrité de la membrane lors de sa mise en place.Thus, the spacer device 10 according to the invention makes it possible to avoid any break in the integrity of the membrane when it is put in place.

Bien entendu, les réalisations décrites pour les moyens d'accouplage 16 ne sont pas limitatives et il est possible d'avoir les moyens d'accouplage 16 agencés sur la face intérieure de la première mâchoire 15 et sur la face extérieure de la seconde mâchoire 17.Of course, the embodiments described for the coupling means 16 are not limiting and it is possible to have the coupling means 16 arranged on the inner face of the first jaw 15 and on the outer face of the second jaw 17 .

Dans une variante de réalisation, la première mâchoire 15 est munie de moyens de rétention 18. Ces moyens de rétention 18 sont utilisés pour maintenir la membrane au niveau de la première mâchoire 15 sans aide de l'opérateur pour que celui-ci puisse manipuler la seconde mâchoire 17. Ces moyens de rétention 18 comprennent une pluralité de lamelles 181 souples, élastiques agencées de sorte à laisser un espace centrale vide, chaque lamelle 181 étant déformable individuellement comme visible à la figure 14. Cet agencement permet d'insérer ladite membrane dans l'espace centrale vide. Les lamelles souples tendent à vouloir retrouver leur position initiale. La membrane M se trouve donc maintenue entre les différentes lamelles souples sans être déchirée.In an alternative embodiment, the first jaw 15 is provided with retention means 18. These retention means 18 are used to hold the membrane at the level of the first jaw 15 without assistance from the operator so that the latter can manipulate the second jaw 17. These retention means 18 comprise a plurality of flexible, elastic strips 181 arranged so as to leaving an empty central space, each slat 181 being individually deformable as seen in figure 14 . This arrangement makes it possible to insert said membrane into the empty central space. The flexible slats tend to want to return to their initial position. The membrane M is therefore held between the different flexible strips without being torn.

La pièce de raccord 20 est pourvue des moyens d'assemblage 19 à l'ossature à doubler. Cette pièce de raccord 20 est une comprenant une face arrière apte à se fixer sur la seconde mâchoire 17 et une face avant, de préférence hémisphérique.The connecting piece 20 is provided with assembly means 19 to the frame to be doubled. This connecting piece 20 is one comprising a rear face able to be fixed on the second jaw 17 and a front face, preferably hemispherical.

Dans une première forme d'exécution visible à la figure 15, ces moyens d'assemblage 19 comprennent deux encoches ou rainures 19a, parallèles, agencés sur la face avant de la pièce de raccord 20. Ces encoches 19a sont adaptées pour coopérer par clipsage avec une latte 6, 7. Chaque latte 6, 7 est ici réalisée sous la forme d'un profilé métallique, ou fourrure, à section en C présentant des rebords rentrants, pointant l'un vers l'autre pour s'engager à la façon d'un clip avec les encoches.In a first embodiment visible at figure 15 , these assembly means 19 comprise two notches or grooves 19a, parallel, arranged on the front face of the connecting piece 20. These notches 19a are adapted to cooperate by clipping with a slat 6, 7. Each slat 6, 7 is here made in the form of a metal profile, or fur, with a C-section having re-entrant edges, pointing towards each other to engage like a clip with the notches.

Dans une alternative à cette première forme, les moyens d'assemblage 19 comprennent une seule encoche ou rainure circulaire. Cette encoche circulaire permet de modifier la position angulaire de la latte selon les besoins.In an alternative to this first form, the assembly means 19 comprise a single notch or circular groove. This circular notch allows the angular position of the slat to be modified as required.

Selon une seconde forme d'exécution visible à la figure 16, les moyens d'assemblage 19 comprennent au moins une patte 19b, préférentiellement deux pattes 19b parallèles. Ces pattes s'étendent dans une direction parallèle à la paroi latérale de la seconde mâchoire. Ces pattes 19b sont agencées pour avoir une forme et des dimensions permettant auxdites pattes de l'insérer dans l'espace entre les rebords du profilé à section en C. Préférentiellement, les rebords sont rentrants, pointant l'un vers l'autre. Dans ce cas-là, les pattes 19b sont agencées pour avoir une extrémité libre ou bord d'attaque facilitant l'insertion dans l'espace entre les rebords du profilé à section en C. Pour cela, l'extrémité libre présente une forme ayant une extrémité s'amincissant telle qu'une forme arrondie/circulaire ou forme biseautée.According to a second embodiment visible at figure 16 , the assembly means 19 comprise at least one tab 19b, preferably two parallel tabs 19b. These tabs extend in a direction parallel to the side wall of the second jaw. These lugs 19b are arranged to have a shape and dimensions allowing said lugs to insert it into the space between the flanges of the C-section profile. Preferably, the flanges are re-entrant, pointing towards each other. In this case, the lugs 19b are arranged to have a free end or leading edge facilitating insertion into the space between the edges of the C-section profile. For this, the free end has a shape having a tapering end such as a rounded/circular shape or bevelled shape.

Cette forme amincie permet avantageusement d'appuyer sur les rebords et de les écarter afin de faciliter l'insertion de la patte. Une fois insérées dans le rebord, la ou les pattes sont maintenues grâce aux rebords du profilé qui tendent à revenir dans leur position initiale et opèrent donc un serrage.This thinned shape advantageously makes it possible to press on the edges and to spread them apart in order to facilitate the insertion of the tab. Once inserted into the rim, the lug(s) are held in place by the edges of the profile which tend to return to their initial position and therefore operate a tightening.

Astucieusement, la seconde mâchoire 17 fait office de pièce de raccord 20. Dans cette configuration, la face inférieure 172a de la seconde mâchoire 17 est la face sur laquelle les moyens d'assemblage 19 sont agencés comme visible à la figure 17.Cleverly, the second jaw 17 acts as a connecting piece 20. In this configuration, the lower face 172a of the second jaw 17 is the face on which the assembly means 19 are arranged as visible at figure 17 .

Dans une variante des différents modes de réalisation, les moyens d'accouplage 16 de la seconde mâchoire sur la première mâchoire sont conçus pour que l'amplitude de la rotation à apporter à la seconde mâchoire pour son assemblage avec la première mâchoire soit limitée. Cette limitation est telle que cette amplitude de la rotation soit d'au maximum 90°. Préférentiellement, cette amplitude est d'au maximum 45°. Cette limitation de la rotation de la seconde mâchoire 17 par rapport à la première mâchoire 15 pour leur assemblage permet de limiter les contraintes appliquées à la membrane M et ainsi de limiter le froissement de cette membrane. Un tel froissement est représentatif d'une altération. La limitation de la rotation de la seconde mâchoire par rapport à la première mâchoire pour leur assemblage permet ainsi de limiter cette altération et donc de diminuer les risques de perforations de la membrane.In a variant of the various embodiments, the coupling means 16 of the second jaw on the first jaw are designed so that the amplitude of the rotation to be applied to the second jaw for its assembly with the first jaw is limited. This limitation is such that this amplitude of the rotation is at most 90°. Preferably, this amplitude is at most 45°. This limitation of the rotation of the second jaw 17 with respect to the first jaw 15 for their assembly makes it possible to limit the stresses applied to the membrane M and thus to limit the wrinkling of this membrane. Such crumpling is representative of weathering. The limitation of the rotation of the second jaw with respect to the first jaw for their assembly thus makes it possible to limit this alteration and therefore to reduce the risks of perforations of the membrane.

Enfin, on pourra également prévoir des moyens pour assurer une étanchéité entre l'une au moins desdites mâchoires dudit accessoire d'entretoisement et la tige de celui-ci.Finally, means may also be provided for ensuring a seal between at least one of said jaws of said spacer accessory and the stem of the latter.

Dans le système de doublage selon l'invention, les panneaux de matériaux isolants sont au moins partiellement soutenus par les dispositifs d'entretoisement selon l'invention. Plus particulièrement, la première mâchoire 15 et sa face inférieure 152a interagissent avec le ou les panneaux isolants. En effet, dans le cas d'un mur ou d'une toiture, le panneau isolant est placé de sorte à prendre appui sur la face inférieure 152a de la première mâchoire. Cela est d'autant plus vrai dans le cas d'une toiture où les panneaux isolants ne sont retenus que par la face inférieure 152a de la première mâchoire de chaque dispositif d'entretoisement.In the lining system according to the invention, the panels of insulating materials are at least partially supported by the spacer devices according to the invention. More particularly, the first jaw 15 and its lower face 152a interact with the insulating panel(s). Indeed, in the case of a wall or a roof, the insulating panel is placed so as to rest on the lower face 152a of the first jaw. This is all the more true in the case of a roof where the insulating panels are retained only by the lower face 152a of the first jaw of each bracing device.

Pour améliorer ce maintien, ladite face inférieure 152a de la première mâchoire comprend, optionnellement, des dents ou picots s'étendant orthogonalement à ladite surface inférieure. Ces dents ou picots sont utilisés pour s'insérer dans le panneau isolant pour améliorer son maintien.To improve this holding, said lower face 152a of the first jaw optionally comprises teeth or barbs extending orthogonally to said lower surface. These teeth or pins are used to fit into the insulation panel to improve its retention.

Bien entendu, la présente invention ne se limite pas à l'exemple illustré mais est susceptible de diverses variantes et modifications qui apparaîtront à l'homme de l'art dans le cadre du jeu de revendications en annexe.Of course, the present invention is not limited to the example illustrated but is susceptible to various variants and modifications which will become apparent to those skilled in the art in the context of the set of claims appended.

La portion centrale 11 peut ainsi se présenter sous la forme d'une plaque ou d'un tube ou d'un profilé.The central portion 11 can thus be in the form of a plate or a tube or a profile.

Claims (14)

  1. A bracing device (10) for securing a lining frame (F) to a structure (C) to be lined, said device comprising a main portion (11) extending in a direction referred to as the axial direction (X1), one end of which portion is provided with means (14) for securing it to the structure (C) to be lined, and the other end of which is provided with means (13) for attachment to at least one membrane (M),
    characterized in that said attachment means (13) comprise a first jaw (15) surrounding the main portion and a second jaw (17) supported by the first jaw, coupling means (16) allowing said jaws (15, 17) to be axially clamped together by rotation of the second jaw with respect to the first jaw, said two jaws being arranged so as to pinch therebetween, after assembly, the membrane, said membrane remaining integrated after assembly.
  2. The bracing device according to claim 1, wherein the first jaw (15) comprises a circular base (15a), having an upper face (151a) and a lower face (152a), on the circumference of which base a lateral wall (15b) extends from the upper face in a direction parallel to the central axis of the base (15a), said lateral wall comprising an inner face (151b) and an outer face (152b).
  3. The bracing device according to claim 1, wherein the second jaw (17) comprises a circular lateral wall (17b), said lateral wall comprising an inner face (171b) and an outer face (172b).
  4. The bracing device according to one of claims 1 to 3, wherein the coupling means (16) comprise a first thread (160a) arranged on the first jaw and a second thread (160b) arranged on the second jaw, the first thread and the second thread mutually engaging to allow axial clamping of the jaws (15, 17) one against the other.
  5. The bracing device according to one of claims 1 to 3, wherein the coupling means (16) comprise at least two protruding lines on the first jaw (15) and at least two protruding lines (161a, b) arranged on the second jaw (17), the protruding lines of the first jaw and of the second jaw being arranged so as to form a system referred to as a quarter-turn system.
  6. The bracing device according to claim 5, wherein the at least two protruding lines (161a) on the first jaw (15) are mutually spaced apart, and wherein the at least two protruding lines (161b) on the second jaw (17) are mutually spaced apart, the protruding lines of the second jaw being capable of being inserted into the space (161d) between the protruding lines of the first jaw and vice versa.
  7. The bracing device according to claim 5, wherein the at least two protruding lines (161a) on the first jaw (15) and at least two protruding lines (161b) on the second jaw (17) are arranged so as to be inclined and so as to allow clamping.
  8. The bracing device according to one of claims 1 to 3, wherein the coupling means (16) comprise at least one recess arranged in a face of the lateral wall of a jaw, each recess being formed by an open space parallel to the central axis of the jaw and opening out into the edge of the lateral wall, and, intersecting said open space and opposite the edge of the lateral wall, a blind channel, and at least one lug arranged so as to be inserted in said recess.
  9. The bracing device according to one of the preceding claims, wherein the second jaw supports a connecting piece (20) provided with means (19) for assembling the frame to be lined.
  10. The bracing device according to claim 9, wherein the assembly means (19) comprising a circular groove arranged in the lower face of the base of the second jaw.
  11. The bracing device according to claim 9, wherein the assembly means (19) comprise at least one tab, preferably two parallel tabs, which extend in a direction parallel to the lateral wall of the second jaw.
  12. The bracing device according to one of the preceding claims, wherein the central portion is a rod.
  13. The bracing device according to the preceding claim, wherein the rod comprises a first part (121) and a second part (123) which are mounted so as to slide relative to one another, said rod comprising means (125) for sliding the parts of the rod, and locking means (127).
  14. A device for lining a wall, said device comprising
    - at least one bracing device (10) according to one of the preceding claims,
    - a windproof, vapor-resistant or vapor-check membrane (M) to be attached to the bracing device (10),
    characterized in that said membrane is pinched between the first jaw and the second jaw of said bracing device.
EP20207699.8A 2019-11-18 2020-11-16 Spacing accessory for lining a wall Active EP3822427B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1912840A FR3103204B1 (en) 2019-11-18 2019-11-18 Bracing accessory for lining a wall

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EP3822427A2 EP3822427A2 (en) 2021-05-19
EP3822427A3 EP3822427A3 (en) 2021-06-02
EP3822427B1 true EP3822427B1 (en) 2022-11-02

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2781668B1 (en) * 2013-03-22 2018-05-16 Ateliers LR Etanco Fixing arrangement and method for attaching a lining framework to a structural element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520606A (en) * 1983-01-27 1985-06-04 Francovitch Thomas F Roof membrane anchoring systems using dual anchor plates
US4727699A (en) * 1987-04-07 1988-03-01 Sargent Richard G Roofing membrane securement system
FR2878876B1 (en) 2004-12-06 2007-02-09 Saint Gobain Isover Sa WALL LINING WITH ERGONOMIC INSTALLATION
GB201603862D0 (en) * 2016-03-07 2016-04-20 Knauf Insulation Sprl Insulated building structure
FR3055914B1 (en) * 2016-09-14 2019-09-13 Saint-Gobain Isover DETACHABLE ADJUSTING DEVICE IN LENGTH

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2781668B1 (en) * 2013-03-22 2018-05-16 Ateliers LR Etanco Fixing arrangement and method for attaching a lining framework to a structural element

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EP3822427A3 (en) 2021-06-02
FR3103204A1 (en) 2021-05-21
EP3822427A2 (en) 2021-05-19
FR3103204B1 (en) 2021-11-26

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