EP0410822A1 - Metallic roof covering and supports for such covering - Google Patents

Metallic roof covering and supports for such covering Download PDF

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Publication number
EP0410822A1
EP0410822A1 EP90401296A EP90401296A EP0410822A1 EP 0410822 A1 EP0410822 A1 EP 0410822A1 EP 90401296 A EP90401296 A EP 90401296A EP 90401296 A EP90401296 A EP 90401296A EP 0410822 A1 EP0410822 A1 EP 0410822A1
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EP
European Patent Office
Prior art keywords
plates
support
metal
plate
cover according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90401296A
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German (de)
French (fr)
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EP0410822B1 (en
Inventor
Patrick Blosseville
Claude Dubrac
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.)
Union Miniere France Sa Te Bagnolet Frankrijk
Original Assignee
Vieille-Montagne France SA
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Publication date
Application filed by Vieille-Montagne France SA filed Critical Vieille-Montagne France SA
Priority to AT90401296T priority Critical patent/ATE74989T1/en
Publication of EP0410822A1 publication Critical patent/EP0410822A1/en
Application granted granted Critical
Publication of EP0410822B1 publication Critical patent/EP0410822B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D2003/3615—Separate fastening elements fixed to the roof structure and consisting of parts permitting relative movement to each other, e.g. for thermal expansion

Definitions

  • the present invention relates to a metal covering for building roofs placed on a non-ventilated roofing support, for example of rigid concrete forming a reception table, and consisting of metal plates made of a corrosion-resistant material, such as zinc, intended to fit together in contact with each other by creating channels arranged in the direction of the slope of the roof. It also relates to angle supports for the cover according to the invention.
  • Metal roofing in particular zinc, is now used for roofs or cladding or gutters in a highly corrosive industrial environment or in an urban environment that is also very polluted.
  • the frames of these roofs are generally no longer made of ventilated wood like that of noble or urban roofs of previous centuries, but concrete which theoretically constitutes a more resistant material over time than wood. Many corrosion phenomena of these roofs placed on concrete supports are however reported.
  • sealed continuous intermediate plates made of a soft and elastic material, electrically and chemically neutral with respect to the metal plates, for example made of plastic, are fixed directly to the resistant support forming a table, by means of rods or screws which pass through the intermediate plate in a sealed manner and whose head is applied in contact with this plate and the metal plates are attached to support pieces placed on the intermediate plates and fixed to the roof support using rods or screws sealingly passing through said intermediate plates, while asperities or intermediate elements regularly distributed over said intermediate plates are interposed between the metal plates and the intermediate plates, so as to provide a ventilation space under the metal plates and to use inte plate assembly rmediate as a sub-roof capable of recovering possible leaks from the main roof made up of metal plates as well as the condensations likely to appear under the main roof.
  • the support pieces of the metal plates are fixed to the intermediate plates by pressing on the asperities or intermediate elements to allow a ventilation space to remain under these support pieces.
  • the support pieces of the metal plates are fixed to the intermediate plates by resting on the asperities or intermediate elements with interposition, at least in places, between the support piece and the intermediate plate, a sealing and / or support element such as an elastomer foam seal.
  • the asperities or intermediate elements are preferably formed in one piece with the intermediate plate and can constitute surface irregularities capable of at least partially absorbing the expansion of said intermediate plate.
  • the protrusions or monobloc intermediate elements with the plate are advantageously constituted by studs in a hollow truncated cone and with a substantially flat head which are evenly projecting on one side of a flat plate made of thin plastic material.
  • said wing when the support pieces have an angle section of which one of the wings is intended to be placed flat on the flat heads of several contiguous studs in truncated cone, said wing has truncated cone cavities whose small base is directed on the opposite side to the other wing of the support piece intended to cooperate with the metal plates and said truncated cone cavities have a projection height substantially equal to the height of projection of the truncated cones of the intermediate plate, so that said wing can come to bear simultaneously on the flat heads of the truncated cones of the intermediate plate and, by the bottom of its truncated cone cavities, directly on the intermediate plate .
  • the small base of the frustoconical cavities of the wing of the support part generally comprises a hole in which is likely to come to engage a rod or screw for fixing the support part on the non-ventilated support, with interposition of sealing means between this rod or screw and the intermediate plate.
  • the rods or screws passing through the intermediate plates are substantially sealed at the crossing of these plates by the simple fact of the close contact of the periphery of these rods or screws with the inner wall of a circular hole provided in these plates whose material is much more elastic than the metal of said rods or screws.
  • Roof or roof supports according to the invention having an angle section and intended to be fixed by one of the wings of the angle iron on a receiving surface are characterized in that the wing intended for the fixing presents cavities in frustoconical cone whose small base is directed on the side opposite to the other wing of the angle iron and in that the substantially flat bottom of the small base constitutes a bearing and fixing surface on said receiving surface.
  • the small base of the truncated cones has a hole for a fastening means on the receiving surface.
  • FIG. 4 we have shown the main elements of a zinc roof placed on a support non-ventilated concrete 1 here forming rigid reception table.
  • Adjacent zinc plates 2 and 3 form a central channel 4 which is arranged in the direction of the roof slope to evacuate water from the weather.
  • These zinc plates 2 and 3 which can be superimposed at the end have, on the lateral edge, different folds which combine.
  • the right fold 5 (according to the figure) has a wall at right angles with an edge 6 folded once on itself.
  • the left fold 7 (shown on the plate 3) is folded twice on itself on the edge 8, so as to surround the edge 6 of the plate 2 and to prevent any rise in water in the event of heavy rain.
  • the right and left folds 5 and 7 of the two adjacent zinc plates 2 and 3 are hung on a support piece 9 (see FIG. 3) which has the shape of an angle iron one of the wings 10 of which is disposed vertically between the two vertical walls of the folds 5 and 7.
  • the wing 10 has a longitudinal slot 11 in which engage the tabs 12 of hooks (not shown) crimped on the vertical walls of the edge folds 5 and 7.
  • each intermediate plate 14 is formed by a continuous flat plate 14a made of plastic material on which one has formed in the mass, by example by thermoforming, asperities 15 in a truncated cone constituting on the back surface of the plate 14 protruding studs of a small height h between 5 and 10 mm.
  • the frustoconical studs can have a diameter of large base comprised between 15 and 20 mm and a diameter of small base from 8 to 12 mm, the spacing between the studs being between 25 and 40 mm, preferably according to a square mesh.
  • FIG. 2 shows the attachment to the rigid concrete support 1 of the support piece 9 made of a material very resistant to corrosion such as stainless steel and in the form of an angle.
  • the other wing 17 of the support piece 9 has several frustoconical cavities 18 obtained by cold forming.
  • the cavities 18 engage in the spaces 19b formed between series of four frustoconical studs 15 (see FIG. 1) while the rest of the wing 17 comes to bear on two adjacent flat surfaces 16 of the frustoconical studs 15.
  • the bottom 19 of the cavity 18 comes to rest on the flat base part 16 of the intermediate plate 14 where it is fixed by a screw 20 which passes through a hole 19a made through the bottom 19 (see the FIG. 3) and which is screwed, for example, into an expansion sleeve 21 made of plastic, force-fitted with anti-extraction claws 21b inside a hole 22 drilled in the concrete of the rigid support 1.
  • screws 20a regularly distributed and which are screwed into expansion sleeves 21a, possibly shorter than the sleeve 21, and which are forcibly housed in holes 22a drilled in the concrete 1.
  • the head 23a of the screws 20a comes to bear on the flat surface 14a of the plate directly or by means of a flexible and rigid washer and may be surrounded if necessary by an elastomeric sealing layer 38.
  • the rod of the screws 20 and 20a can pass through a hole in the plate 14 drilled at a diameter slightly smaller than that of the rod of the screw, so that the elasticity of the walls of the hole ensures a tight tightness of the material of the plate 14, relatively soft on the rod of the screw 20 or 20a.
  • the heads 23, 23a of the screws 20 and 20a can, if necessary, be sealed on the bottom of the cavity 18 by the interposition of an elastomer material surrounding the screw head.
  • each screw placed can be sealed, at its head, by a layer of liquid binder based on elastomer 38 which comes s '' spread around of the screw head 23 or 23a (see Figure 2).
  • the connecting bar 26 placed in the direction of the slope of the roof has here a trapezoidal section with a small upper base 27 and a large lower base 28 which is placed on the flat faces 16 of the frustoconical studs 15.
  • the bar 26 which can also have a rectangular or square or other section, is fixed to the rigid concrete support 1 using screws 29 which generally come to be screwed into sleeves blocked in the concrete like the sleeve 21 shown in Figure 2.
  • the screws 29 must pass through the intermediate plate 14 in a sealed manner and one can interpose under the bar 26 between the generally planar part of the intermediate plate 14 and the large base 28 of the bar a seal 30 made of elastomer foam.
  • This elastomer seal ensures at the same time better carrying of the bar on the plate 14 than that produced by the studs 15 which can be wobbly in certain places.
  • each cover profile 34 may have at its end edges curved parts 35a and 36a which hook to the curved edges 34b of the hooks 34a.
  • the cover profile 34 can also be retained by hooks fixed on the top of the bar 26 and folded over one end of the profile 34.
  • the raised edge portions 24a and 24b of these plates slide under the lateral strips 35 and 36 of the cover profile 34 with trough section, being retained in position by the double hooks 32 which can of course be replaced by simple hooks which are, for example, nailed to the inclined lateral faces 26a and 26b of the wooden bar 26.
  • the zinc tanks 24 and 25 oriented in the direction of the greatest slope of the roof are covered by the lateral bands 35 and 36 of the cover profile 34, which provides good protection against rising water under the action of the wind.
  • the installation of zinc trays 24 and 25 thus allows the free expansion of the metal plates in all directions, which is essential because the temperatures of zinc can go from 80 ° C in full summer sunshine to -20 ° C in winter .
  • the zinc tanks 24 and 25 are also placed on the flat heads 16 of the studs 15 which provide a ventilation space 37 of the same height as the projection h of the studs 15 (on the flat part 14a of the intermediate plates 14) between these plates and the metal cover plates (see also ventilation space 37 in Figure 4).
  • the set of intermediate plates constitutes an assembly which is impermeable to the flow of water in the direction of the slope of the roof and which can fulfill the role of sub-roofing recovering the leaks and possible condensations of the metal plates to lead them to taste.
  • the installation method shown in FIG. 5 can be adapted, in certain countries which do not use wood, to the use of entirely metal cleats interposed in interleaves between zinc tanks provided with vertical lateral faces with lateral rim.
  • the metal strip is made up of a U-shaped profile also made of zinc and placed by the U-bar (the branches of the U being vertical) on the rigid support 1 where it is fixed by any suitable means such as screws or nails .
  • the projecting legs of the U-profile are covered with a zinc cap which closes the profile and also has edges.
  • the successive superimposed edges of the cap, the U-shaped profile and the vertical face of the adjacent zinc tank are then folded together vertically to seal the simultaneous connection of the tank, the cleat and the hat against water splashes.
  • the U profile of the cleat is fixed to the intermediate plate 14 with interposition in places of a simple seal such as the seal 30 , so as to also have under the metal U-shaped battens a ventilation space 37.
  • the installation of a roof according to the invention on a rigid support such as concrete or a metal structure begins with the installation of intermediate plates 14 which overlap each other at the edges in all directions and are retained on the metal support generally by screws whose bushings are sealed by direct contact with the plastic of the intermediate plate 14 or, if necessary, with the interposition of an elastomeric seal 38 between the screw head and the intermediate plate.
  • the intermediate plates being placed, we then fix intermediate supports 9 or cover profiles 26, 34 depending on the type of metal plate chosen.
  • the support pieces 9 or 26 being in place, we then proceed to the installation of the metal plates which are slid laterally into each other in the direction of the slope of the roof.
  • the metal plates come to rest on the flat heads 16 of the studs 15 while providing ventilation space 37 which prevents condensation from settling below the zinc and initiating corrosion in association with an acidic aqueous phase, the risk of which is reduced by the fact that the intermediate plates 14 are made of a chemically neutral plastic material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Tents Or Canopies (AREA)

Abstract

A roof system is provided for buildings having an unventilated roofing support such as concrete forming a planar receiving surface. An intermediate plate formed of an environmental-tight sheet of plastic material is placed on the planar receiving surface. The sheet contains a uniform pattern of protuberances such as frusto-conical studs having planar tops. A rigid roof covering formed of corrosion-resistant metal plates such as zinc is laid on top of the planar surfaces of the studs. The plates have interfitting, bent edges forming troughs. The studs space the rigid roof covering from the intermediate sheet forming a ventilation space for collecting leaks or condensation.

Description

La présente invention se rapporte à une couverture métalliques pour toiture de bâtiment posée sur un support de toiture non ventilé, par exemple en béton rigide formant table de réception, et constituée de plaques métalliques en un matériau résistant à la corrosion, tel que le zinc, destinées à s'emboîter les unes au contact des autres en créant des rigoles disposées dans le sens de la pente de la toiture. Elle concerne également des supports en cornière pour la couverture selon l'invention.The present invention relates to a metal covering for building roofs placed on a non-ventilated roofing support, for example of rigid concrete forming a reception table, and consisting of metal plates made of a corrosion-resistant material, such as zinc, intended to fit together in contact with each other by creating channels arranged in the direction of the slope of the roof. It also relates to angle supports for the cover according to the invention.

Les couvertures métalliques, notamment en zinc, sont maintenant utilisées pour des toitures ou bardages ou chêneaux en milieu industriel très corrosif ou bien en milieu urbain également très pollué. Les charpentes de ces toitures ne sont en général plus réalisées en bois ventilé comme celle des toitures nobles ou urbaines des siécles précédents, mais en béton qui constitue théoriquement un matériau plus résistant dans le temps que le bois. De nombreux phénomènes de corrosion de ces toitures posées sur des supports en béton sont cepen­dant signalés. Ces corrosions ne sont pas seulement imputables aux atmosphères agressives dans lesquelles baignent ces toi­tures mais aussi aux supports qui sont intercalés entre les plaques métalliques (de zinc, de cuivre, d'acier galvanisé ou inoxydable, d'aluminium, etc) et qui sont le plus souvent exempts de bois mais comportent plutôt des feutres et des non tissés susceptibles de provoquer des réactions acides dans le milieu aqueux qui apparaît systématiquement en cas de conden­sation.Metal roofing, in particular zinc, is now used for roofs or cladding or gutters in a highly corrosive industrial environment or in an urban environment that is also very polluted. The frames of these roofs are generally no longer made of ventilated wood like that of noble or urban roofs of previous centuries, but concrete which theoretically constitutes a more resistant material over time than wood. Many corrosion phenomena of these roofs placed on concrete supports are however reported. These corrosions are not only attributable to the aggressive atmospheres in which these roofs bathe but also to the supports which are interposed between the metal plates (zinc, copper, galvanized or stainless steel, aluminum, etc.) and which are the more often free of wood but rather contain felts and nonwovens capable of causing acid reactions in the aqueous medium which systematically appears in the event of condensation.

Pour résoudre les difficultés que rencontrent actuelle­ment les couvertures telles que toitures, bardages ou chêneau réalisés à l'aide de plaques métalliques posées sur des sup­ports non ventilés et rigides, notamment sur des pans en béton, il apparait nécessaire d'améliorer la ventilation entre la soustoiture et les plaques métalliques pour éviter les conden­sations et si les plaques sont métalliques de les isoler du support non ventilé de la toiture, notamment si le support est en béton, à l'aide d'un matériau neutre et qui risque moins de provoquer des réactions acides et corrosives en milieu aqueux.To resolve the difficulties currently encountered in roofing such as roofs, siding or a gutter made with metal plates placed on non-ventilated and rigid supports, in particular on concrete sections, it appears necessary to improve ventilation between the roofing and metal plates to avoid condensation and if the plates are metal to isolate them from the unventilated support of the roof, especially if the support is made of concrete, using a neutral material and which is less likely to cause acid and corrosive reactions in an aqueous medium.

A cet effet, selon l'invention, des plaques intermé­diaires continues étanches, en un matériau mou et élastique, électriquement et chimiquement neutre à l'égard des plaques métalliques, par exemple en matière plastique, sont fixées directement sur le support résistant formant table, à l'aide de tiges ou vis qui traversent la plaque intermédiaire de façon étanche et dont la tête vient s appliquer au contact de cette plaque et les plaques métalliques sont attachées à des pièces de support posées sur les plaques intermédiaires et fixées au support de toiture à l'aide de tiges ou vis traver­sant de façon étanche lesdites plaques intermédiaires, tandis que des aspérités ou éléments intercalaires répartis régulié­rement sur lesdites plaques intermédiaires sont interposés entre les plaques métalliques et les plaques intermédiaires, de manière à ménager un espace de ventilation sous les plaques métalliques et à utiliser l'assemblage de plaques intermédiai­res comme une sous-toiture apte à récupérer les fuites éven­tuelles de la toiture principale constituée des plaques métal­liques ainsi que les condensations susceptibles de se mani­fester sous la toiture principale.To this end, according to the invention, sealed continuous intermediate plates, made of a soft and elastic material, electrically and chemically neutral with respect to the metal plates, for example made of plastic, are fixed directly to the resistant support forming a table, by means of rods or screws which pass through the intermediate plate in a sealed manner and whose head is applied in contact with this plate and the metal plates are attached to support pieces placed on the intermediate plates and fixed to the roof support using rods or screws sealingly passing through said intermediate plates, while asperities or intermediate elements regularly distributed over said intermediate plates are interposed between the metal plates and the intermediate plates, so as to provide a ventilation space under the metal plates and to use inte plate assembly rmediate as a sub-roof capable of recovering possible leaks from the main roof made up of metal plates as well as the condensations likely to appear under the main roof.

Selon un autre mode de réalisation de l'invention, les pièces de support des plaques métalliques sont fixées aux plaques intermédiaires en s'appuyant sur les aspérités ou éléments intercalaires pour laisser subsister sous ces pièces de support un espace de ventilation. Les pièces de support des plaques métalliques sont fixées aux plaques intermédiaires en s'appuyant sur les aspérités ou éléments intercalaires avec interposition, au moins par places, entre la pièce de support et la plaque intercalaire, d'un élément d'étanchéité et/ou de support tel qu un joint en mousse d'élastomère. Les aspérités ou éléments intercalaires sont de préférence formées monobloc avec la plaque intermédiaire et peuvent constituer des irrégu­larités de surface aptes à absorber au moins partiellement la dilatation de ladite plaque intermédiaire. Les aspérités ou éléments intercalaires monobloc avec la plaque sont avantageu­sement constitués par des plots en tronc de cône creux et à tête sensiblement plane qui sont répartis régulièrement en saillie sur une face d'une plaque plane en matière plastique mince.According to another embodiment of the invention, the support pieces of the metal plates are fixed to the intermediate plates by pressing on the asperities or intermediate elements to allow a ventilation space to remain under these support pieces. The support pieces of the metal plates are fixed to the intermediate plates by resting on the asperities or intermediate elements with interposition, at least in places, between the support piece and the intermediate plate, a sealing and / or support element such as an elastomer foam seal. The asperities or intermediate elements are preferably formed in one piece with the intermediate plate and can constitute surface irregularities capable of at least partially absorbing the expansion of said intermediate plate. The protrusions or monobloc intermediate elements with the plate are advantageously constituted by studs in a hollow truncated cone and with a substantially flat head which are evenly projecting on one side of a flat plate made of thin plastic material.

Selon un autre mode de réalisation de l'invention, lorsque les pièces de support présentent une section en cor­nière dont l'une des ailes est destinée à être posée à plat sur les têtes planes de plusieurs plots contigus en tronc de cône, ladite aile présente des cavités en tronc de cône dont la petite base est dirigée du côté opposé à l'autre aile de la pièce de support destinée à coopérer avec les plaques métal­liques et lesdites cavités en tronc de cône présentent une hauteur de saillie sensiblement égale à la hauteur de saillie des troncs de cône de la plaque intermédiaire, de manière que ladite aile puisse venir en appui simultanément sur les têtes planes des troncs de cône de la plaque intermédiaire et, par le fond de ses cavités en tronc de cône, directement sur la plaque intermédiaire. La petite base des cavités en tronc de cône de l'aile de la pièce de support comporte en général un trou dans lequel est susceptible de venir s'engager une tige ou vis de fixation de la pièce de support sur le support non ventilé, avec interposition de moyens d'étanchéité entre cette tige ou vis et la plaque intermédiaire. Les tiges ou vis traversant les plaques intermédiaires sont sensiblement étan­chées à la traversée de ces plaques du seul fait du contact serré de la périphérie de ces tiges ou vis avec la paroi intérieure d'un trou circulaire prévu dans ces plaques dont le matériau est beaucoup plus élastique que le métal desdites tiges ou vis.According to another embodiment of the invention, when the support pieces have an angle section of which one of the wings is intended to be placed flat on the flat heads of several contiguous studs in truncated cone, said wing has truncated cone cavities whose small base is directed on the opposite side to the other wing of the support piece intended to cooperate with the metal plates and said truncated cone cavities have a projection height substantially equal to the height of projection of the truncated cones of the intermediate plate, so that said wing can come to bear simultaneously on the flat heads of the truncated cones of the intermediate plate and, by the bottom of its truncated cone cavities, directly on the intermediate plate . The small base of the frustoconical cavities of the wing of the support part generally comprises a hole in which is likely to come to engage a rod or screw for fixing the support part on the non-ventilated support, with interposition of sealing means between this rod or screw and the intermediate plate. The rods or screws passing through the intermediate plates are substantially sealed at the crossing of these plates by the simple fact of the close contact of the periphery of these rods or screws with the inner wall of a circular hole provided in these plates whose material is much more elastic than the metal of said rods or screws.

Les supports de toiture ou couverture selon l'invention présentant une section en cornière et destinés à être fixés par l'une des ailes de la cornière sur une surface de récep­tion sont caractérisé en ce que l'aile destinée à la fixation présente des cavités en tronc de cône dont la petite base est dirigée du côté opposé à l'autre aile de la cornière et en ce que le fond sensiblement plat de la petite base constitue une surface d'appui et de fixation sur ladite surface de récep­tion. La petite base des troncs de cône comporte un trou de passage d'un moyen de fixation sur la surface de réception.Roof or roof supports according to the invention having an angle section and intended to be fixed by one of the wings of the angle iron on a receiving surface are characterized in that the wing intended for the fixing presents cavities in frustoconical cone whose small base is directed on the side opposite to the other wing of the angle iron and in that the substantially flat bottom of the small base constitutes a bearing and fixing surface on said receiving surface. The small base of the truncated cones has a hole for a fastening means on the receiving surface.

D'autres buts, avantages et caractéristisques apparaî­tront à la lecture de la description de divers modes de réali­sation de l'invention, faite à titre non limitatif et en regard du dessin annexé dans lequel:

  • - la figure 1 représente en vue de dessus un fragment d'une plaque intermédiaire utilisée pour une couverture métallique selon l'inven­tion;
  • - la figure 2 est une vue en coupe du fragment de plaque intermédiaire représenté à la figure 1, sur lequel est posé une pièce de support en cornière fixée par des vis à un support rigide de toiture en béton;
  • - la figure 3 représente en perspective la pièce de support vue en coupe à la figure 2;
  • - la figure 4 représente à plus petite échelle, en pers­pective et avec arrachements, deux plaques métalliques accrochées l'une à l'autre, d une toiture selon l'invention posée sur une plaque intermédiaire à têtons en tronc de cône.
  • - la figure 5 représente, à plus petite échelle et en perspective fragmentaire une toiture selon l'invention réalisée à l'aide de plaques métalliques en forme de bac, assemblées deux à deux sur une barrette ou tasseau de liaison en saillie utilisée pour les toi­tures en zinc classique.
Other objects, advantages and characteristics will appear on reading the description of various embodiments of the invention, given without limitation and with reference to the appended drawing in which:
  • - Figure 1 shows a top view of a fragment of an intermediate plate used for a metal cover according to the invention;
  • - Figure 2 is a sectional view of the fragment of intermediate plate shown in Figure 1, on which is placed an angle support piece fixed by screws to a rigid concrete roof support;
  • - Figure 3 shows in perspective the support part seen in section in Figure 2;
  • - Figure 4 shows on a smaller scale, in perspective and with cutaway, two metal plates attached to one another, of a roof according to the invention placed on an intermediate plate with studs in truncated cone.
  • - Figure 5 shows, on a smaller scale and in fragmentary perspective a roof according to the invention made using metal plates in the shape of a tray, assembled two by two on a protruding connecting bar or cleat used for roofs in classic zinc.

En se reportant à la figure 4, on a représenté les principaux éléments d une toiture en zinc posée sur un support non ventilé en béton 1 formant ici table de réception rigide. Des plaques de zinc adjacentes 2 et 3 forment une rigole centrale 4 qui est disposée dans le sens de la pente du toit pour évacuer à l'égout l'eau des intempéries. Ces plaques de zinc 2 et 3 qui peuvent être superposées en bout présentent, en rive latérale, des pliures différentes qui se conjuguent. La pliure de droite 5 (selon la figure) présente une paroi à angle droit avec un bord 6 replié une fois sur lui-même. La pliure de gauche 7 (représentée sur la plaque 3) est repliée deux fois sur elle-même sur le bord 8, de façon à entourer le bord 6 de la plaque 2 et à empêcher toute remontée d'eau en cas de pluie violente.Referring to Figure 4, we have shown the main elements of a zinc roof placed on a support non-ventilated concrete 1 here forming rigid reception table. Adjacent zinc plates 2 and 3 form a central channel 4 which is arranged in the direction of the roof slope to evacuate water from the weather. These zinc plates 2 and 3 which can be superimposed at the end have, on the lateral edge, different folds which combine. The right fold 5 (according to the figure) has a wall at right angles with an edge 6 folded once on itself. The left fold 7 (shown on the plate 3) is folded twice on itself on the edge 8, so as to surround the edge 6 of the plate 2 and to prevent any rise in water in the event of heavy rain.

Les pliures de droite et de gauche 5 et 7 des deux plaques de zinc adjacentes 2 et 3 sont accrochées à une pièce de support 9 (voir la figure 3) qui présente la forme d'une cornière dont l'une des ailes 10 est disposée verticalement entre les deux parois verticales des pliures 5 et 7. L'aile 10 présente une fente longitudinale 11 dans laquelle viennent s'engager des pattes 12 de crochets (non représentés) sertis sur les parois verticales des pliures de rive 5 et 7.The right and left folds 5 and 7 of the two adjacent zinc plates 2 and 3 are hung on a support piece 9 (see FIG. 3) which has the shape of an angle iron one of the wings 10 of which is disposed vertically between the two vertical walls of the folds 5 and 7. The wing 10 has a longitudinal slot 11 in which engage the tabs 12 of hooks (not shown) crimped on the vertical walls of the edge folds 5 and 7.

Selon l'invention, les plaques métalliques 2 et 3 sont posées sur des plaques intermédiaires 14 en forme de feuilles posées à plat sur le support rigide en béton 1 et qui présen­tent, à leur surface tournée vers les plaques métalliques 2 et 3, des aspérités en forme de plots 15 de forme générale tron­conique à petite base supérieure plane 16. On voit sur les figures 1 et 2 que chaque plaque intermédiaire 14 est formée d une plaque plane 14a continue en matière plastique sur laquelle on a formé dans la masse, par exemple par thermofor­mage, des aspérités 15 en tronc de cône constituant à la sur­face de dos de la plaque 14 des plots en saillie d'une faible hauteur h comprise entre 5 et 10 mm. Selon une disposition avantageuse, on peut utiliser une plaque de matière plastique en forme de feuille d'épaisseur comprise entre 0,5 et 1 mm et les plots tronconiques peuvent présenter un diamètre de grande base compris entre 15 et 20 mm et un diamètre de petite base de 8 à 12 mm, l'écartement entre les plots étant compris entre 25 et 40 mm, de préférence selon une maille carrée.According to the invention, the metal plates 2 and 3 are placed on intermediate plates 14 in the form of sheets laid flat on the rigid concrete support 1 and which have, on their surface facing the metal plates 2 and 3, roughness in the form of studs 15 of generally frustoconical shape with small flat upper base 16. It can be seen in FIGS. 1 and 2 that each intermediate plate 14 is formed by a continuous flat plate 14a made of plastic material on which one has formed in the mass, by example by thermoforming, asperities 15 in a truncated cone constituting on the back surface of the plate 14 protruding studs of a small height h between 5 and 10 mm. According to an advantageous arrangement, it is possible to use a plastic sheet-shaped plate with a thickness of between 0.5 and 1 mm and the frustoconical studs can have a diameter of large base comprised between 15 and 20 mm and a diameter of small base from 8 to 12 mm, the spacing between the studs being between 25 and 40 mm, preferably according to a square mesh.

On a représenté à la figure 2 la fixation sur le support rigide en béton 1 de la pièce de support 9 réalisée en un matériau très résistant à la corrosion tel que l'acier inoxy­dable et en forme de cornière. L'autre aile 17 de la pièce de support 9 présente plusieurs cavités tronconiques 18 obtenues par formage à froid. Les cavités 18 viennent s'engager dans les espaces 19b ménagés entre des séries de quatre plots tron­coniques 15 (voir la figure 1) tandis que le reste de l'aile 17 vient en appui sur deux surfaces planes voisines 16 des plots tronconiques 15. Le fond 19 de la cavité 18 (voir la figure 3) vient s'appuyer sur la partie de base plane 16 de la plaque intermédiaire 14 où il est fixé par une vis 20 qui traverse un trou 19a ménagé au travers du fond 19 (voir la figure 3) et qui est vissée par exemple dans un manchon à expansion 21 en matière plastique, monté à force avec des griffes anti extrac­tion 21b à l'intérieur d'un trou 22 foré dans le béton du support rigide 1.FIG. 2 shows the attachment to the rigid concrete support 1 of the support piece 9 made of a material very resistant to corrosion such as stainless steel and in the form of an angle. The other wing 17 of the support piece 9 has several frustoconical cavities 18 obtained by cold forming. The cavities 18 engage in the spaces 19b formed between series of four frustoconical studs 15 (see FIG. 1) while the rest of the wing 17 comes to bear on two adjacent flat surfaces 16 of the frustoconical studs 15. The bottom 19 of the cavity 18 (see FIG. 3) comes to rest on the flat base part 16 of the intermediate plate 14 where it is fixed by a screw 20 which passes through a hole 19a made through the bottom 19 (see the FIG. 3) and which is screwed, for example, into an expansion sleeve 21 made of plastic, force-fitted with anti-extraction claws 21b inside a hole 22 drilled in the concrete of the rigid support 1.

Pour la fixation en d'autres points de la plaque inter­médiaire 14 elle-même sur le support rigide en béton 1, on prévoit des vis 20a régulièrement réparties et qui sont vissées dans des manchons à expansion 21a, le cas échéant plus courts que le manchon 21, et qui sont logés à force dans des trous 22a forés dans le béton 1. La tête 23a des vis 20a vient s'appuyer sur la surface plane 14a de la plaque directement ou par l'intermédiaire d'une rondelle souple et rigide et peut être entouré le cas échéant, par une couche d'étanchéité en élasto­mère 38. La tige des vis 20 et 20a peut traverser un trou de la plaque 14 percé à un diamètre légèrement inférieur à celui de la tige de la vis, de façon que l'élasticité des parois du trou assure un serrage d'étanchéité du matériau de la plaque 14, relativement mou sur la tige de la vis 20 ou 20a. Les têtes 23, 23a des vis 20 et 20a peuvent, le cas échéant, être étanchées sur le fond de la cavité 18 par l'interposition d'une matière en élastomère entourant la tête de vis.For fixing at other points the intermediate plate 14 itself on the rigid concrete support 1, provision is made for screws 20a regularly distributed and which are screwed into expansion sleeves 21a, possibly shorter than the sleeve 21, and which are forcibly housed in holes 22a drilled in the concrete 1. The head 23a of the screws 20a comes to bear on the flat surface 14a of the plate directly or by means of a flexible and rigid washer and may be surrounded if necessary by an elastomeric sealing layer 38. The rod of the screws 20 and 20a can pass through a hole in the plate 14 drilled at a diameter slightly smaller than that of the rod of the screw, so that the elasticity of the walls of the hole ensures a tight tightness of the material of the plate 14, relatively soft on the rod of the screw 20 or 20a. The heads 23, 23a of the screws 20 and 20a can, if necessary, be sealed on the bottom of the cavity 18 by the interposition of an elastomer material surrounding the screw head.

On retrouve sur la figure 4, à plus petite échelle, les éléments de toiture représentés sur les figures 1 à 3. Chaque vis posée peut être étanchée, à sa tête, par une couche de liant liquide à base d'élastomère 38 qui vient s'étaler autour de la tête de vis 23 ou 23a (voir la figure 2).We find in Figure 4, on a smaller scale, the roofing elements shown in Figures 1 to 3. Each screw placed can be sealed, at its head, by a layer of liquid binder based on elastomer 38 which comes s '' spread around of the screw head 23 or 23a (see Figure 2).

La toiture représentée à la figure 5 qui correspond mieux à un mode de pose traditionnel des couvertures en zinc utilise des plaques de zinc symétriques 24, 25 en forme de bac. Entre deux bacs contigus des plaques de zinc, est fixée sur les plaques intermédiaires 14 munies des plots 15, une barrette ou tasseau de liaison 26, généralement réalisée en bois. La barrette de liaison 26 posée dans le sens de la pente du toit présente ici une section trapézoïdale avec une petite base supérieure 27 et une grande base inférieure 28 qui est posée sur les faces planes 16 des plots tronconiques 15. La barrette 26 qui peut également présenter une section rectan­gulaire ou carrée ou autre, est fixée sur le support rigide en béton 1 à l'aide de vis 29 qui viennent généralement se visser dans des manchons bloqués dans le béton comme le manchon 21 représenté à la figure 2. Les vis 29 doivent traverser la plaque intermédiaire 14 de façon étanche et on peut interposer sous la barrette 26 entre la partie générale plane de la plaque intermédiaire 14 et la grande base 28 de la barrette un joint d'étanchéité 30 en mousse d'élastomère. Ce joint d'étan­chéité en élastomère assure en même temps un meilleur portage de la barrette sur la plaque 14 que celui réalisé par les plots 15 qui peut être bancal à certains endroits. Au moment de la fixation des barrettes 26 sur la plaque intermédiaire 14, on vient intercaler sous la grande base 28 la branche en U 31 de crochets doubles 32 dont les parties supérieures recour­bées 33 peuvent venir accrocher, en s'opposant à leur extrac­tion vers le haut, des parties de rive relevées 24a et 24b des bacs 24 et 25. Pour maintenir en position un profilé de couver­ture 34 à section en auge et qui recouvre la barrette 26 et s'opposer à son extraction vers le haut, on peut prévoir des crochets 34a cloués sur la barrette 26. Chaque profilé de couverture 34, réalisé également en zinc, peut présenter à ses rives d'extrémité des parties recourbées 35a et 36a qui s'ac­crochent aux bords recourbés 34b des crochets 34a. Le profilé de couverture 34 peut également être retenu par des crochets fixés sur le dessus de la barrette 26 et repliés sur une extrémité du profilé 34.The roof shown in FIG. 5, which better corresponds to a traditional method of laying zinc covers, uses symmetrical zinc plates 24, 25 in the form of a tray. Between two contiguous trays of zinc plates, is fixed on the intermediate plates 14 provided with the studs 15, a connecting bar or cleat 26, generally made of wood. The connecting bar 26 placed in the direction of the slope of the roof has here a trapezoidal section with a small upper base 27 and a large lower base 28 which is placed on the flat faces 16 of the frustoconical studs 15. The bar 26 which can also have a rectangular or square or other section, is fixed to the rigid concrete support 1 using screws 29 which generally come to be screwed into sleeves blocked in the concrete like the sleeve 21 shown in Figure 2. The screws 29 must pass through the intermediate plate 14 in a sealed manner and one can interpose under the bar 26 between the generally planar part of the intermediate plate 14 and the large base 28 of the bar a seal 30 made of elastomer foam. This elastomer seal ensures at the same time better carrying of the bar on the plate 14 than that produced by the studs 15 which can be wobbly in certain places. When the bars 26 are fixed on the intermediate plate 14, the U-shaped branch 31 of double hooks 32 is interposed under the large base 28, the curved upper parts 33 of which can hang, opposing their extraction towards the top, raised edge portions 24a and 24b of the tanks 24 and 25. To maintain in position a cover profile 34 with trough section and which covers the bar 26 and to prevent its extraction upwards, provision may be made for hooks 34a nailed to the bar 26. Each cover profile 34, also made of zinc, may have at its end edges curved parts 35a and 36a which hook to the curved edges 34b of the hooks 34a. The cover profile 34 can also be retained by hooks fixed on the top of the bar 26 and folded over one end of the profile 34.

Au montage des plaques métalliques en forme de bac 24 et 25, les parties de rive relevées 24a et 24b de ces plaques viennent se glisser sous les bandes latérales 35 et 36 du profilé de couverture 34 à section en auge, en étant retenues en position par les crochets doubles 32 qui peuvent bien entendu être remplacés par des crochets simples qui sont par exemple cloués sur les faces latérales inclinées 26a et 26b de la barrette en bois 26. Les bacs en zinc 24 et 25 orientés dans le sens de la plus grande pente du toit sont recouverts par les bandes latérales 35 et 36 du profilé de couverture 34, ce qui assure une bonne protection contre les remontées d'eau sous l'action du vent. La pose des bacs en zinc 24 et 25 autorise ainsi la libre dilatation des plaques métalliques dans toutes les directions, ce qui est indispensable car les températures du zinc peuvent passer de 80°C en plein ensoleil­lement d'été à -20°C en hiver. Les bacs en zinc 24 et 25 sont par ailleurs posés sur les têtes planes 16 des plots 15 qui ménagent un espace de ventilation 37 de même hauteur que la saillie h des plots 15 (sur la partie plane 14a des plaques intermédiaires 14) entre ces plaques intermédiaires et les plaques métalliques de couverture (voir également l'espace de ventilation 37 à la figure 4). L'ensemble des plaques intermé­diaires constitue un ensemble étanche à l'écoulement de l'eau dans le sens de la pente du toit et qui peut remplir le rôle de sous-toiture récupérant les fuites et les condensations éventuelles des plaques métalliques pour les conduire à l'é­gout. Le mode de pose représenté à la figure 5 peut être adapté, dans certains pays n'utilisant pas le bois, à l'uti­lisation de tasseaux entièrement métalliques interposés en intercalaires entre des bacs en zinc munis de faces latérales verticales à rebord latéral. Le tasseau métallique est cons­titué d un profilé en U réalisé également en zinc et posé par la barre du U, (les branches du U étant verticales) sur le support rigide 1 où il est fixé par tout moyen adéquat tel que des vis ou des clous.When mounting the metal plates in the form of a tray 24 and 25, the raised edge portions 24a and 24b of these plates slide under the lateral strips 35 and 36 of the cover profile 34 with trough section, being retained in position by the double hooks 32 which can of course be replaced by simple hooks which are, for example, nailed to the inclined lateral faces 26a and 26b of the wooden bar 26. The zinc tanks 24 and 25 oriented in the direction of the greatest slope of the roof are covered by the lateral bands 35 and 36 of the cover profile 34, which provides good protection against rising water under the action of the wind. The installation of zinc trays 24 and 25 thus allows the free expansion of the metal plates in all directions, which is essential because the temperatures of zinc can go from 80 ° C in full summer sunshine to -20 ° C in winter . The zinc tanks 24 and 25 are also placed on the flat heads 16 of the studs 15 which provide a ventilation space 37 of the same height as the projection h of the studs 15 (on the flat part 14a of the intermediate plates 14) between these plates and the metal cover plates (see also ventilation space 37 in Figure 4). The set of intermediate plates constitutes an assembly which is impermeable to the flow of water in the direction of the slope of the roof and which can fulfill the role of sub-roofing recovering the leaks and possible condensations of the metal plates to lead them to taste. The installation method shown in FIG. 5 can be adapted, in certain countries which do not use wood, to the use of entirely metal cleats interposed in interleaves between zinc tanks provided with vertical lateral faces with lateral rim. The metal strip is made up of a U-shaped profile also made of zinc and placed by the U-bar (the branches of the U being vertical) on the rigid support 1 where it is fixed by any suitable means such as screws or nails .

Après la mise en place du profilé en U dont les jambes dirigées verticalement présentent des rebords supérieurs qui viennent se superposer à un rebord des faces latérales des bacs en zinc, les jambes en saillie du profilé en U sont recouvertes d'un chapeau en zinc qui ferme le profilé et présente également des rebords. Les rebords superposés succes­sifs du chapeau, du profilé en U et de la face verticale du bac en zinc adjacent sont alors repliés ensemble verticalement pour étancher la liaison simultanée du bac, du tasseau et du chapeau contre les projections d'eau. Lorsque l'invention est appliquée aux tasseaux métalliques à profil en U qui viennent d'être décrits, le profilé en U du tasseau est fixé sur la plaque intermédiaire 14 avec interposition par places d'un joint d'étanchéité simple tel que le joint 30, de manière à disposer également sous les tasseaux métalliques en U d'un espace de ventilation 37.After the installation of the U-shaped profile, the vertically directed legs of which have upper flanges which are superimposed on a flange of the lateral faces of the zinc trays, the projecting legs of the U-profile are covered with a zinc cap which closes the profile and also has edges. The successive superimposed edges of the cap, the U-shaped profile and the vertical face of the adjacent zinc tank are then folded together vertically to seal the simultaneous connection of the tank, the cleat and the hat against water splashes. When the invention is applied to metal cleats with a U profile which have just been described, the U profile of the cleat is fixed to the intermediate plate 14 with interposition in places of a simple seal such as the seal 30 , so as to also have under the metal U-shaped battens a ventilation space 37.

La pose d'une toiture selon l'invention sur un support rigide tel que du béton ou une structure métallique commence par la pose des plaques intermédiaires 14 qui se recouvrent mutuellement sur les bords dans toutes les directions et sont retenues sur le support métallique généralement par des vis dont les traversées sont étanchées par contact direct avec la matière plastique de la plaque intermédiaire 14 ou, en cas de besoin, avec interposition d'un joint élastomère 38 entre la tête de vis et la plaque intermédiaire. Les plaques intermé­diaires étant posées, on vient alors fixer des supports inter­médiaires 9 ou des profilés de couverture 26, 34 selon le type de plaque métallique choisi. Les pièces de support 9 ou 26 étant en place, on procède ensuite à la pose des plaques métalliques qui sont glissées latéralement les unes dans les autres dans le sens de la pente du toit. Les plaques métalli­ques viennent reposer sur les têtes planes 16 des plots 15 en ménageant l'espace de ventilation 37 qui empêche la conden­sation de s'établir en-dessous du zinc et d amorcer une corro­sion en association avec une phase aqueuse acide dont le risque est réduit du fait que les plaques intermédiaires 14 sont réalisées en une matière plastique chimiquement neutre.The installation of a roof according to the invention on a rigid support such as concrete or a metal structure begins with the installation of intermediate plates 14 which overlap each other at the edges in all directions and are retained on the metal support generally by screws whose bushings are sealed by direct contact with the plastic of the intermediate plate 14 or, if necessary, with the interposition of an elastomeric seal 38 between the screw head and the intermediate plate. The intermediate plates being placed, we then fix intermediate supports 9 or cover profiles 26, 34 depending on the type of metal plate chosen. The support pieces 9 or 26 being in place, we then proceed to the installation of the metal plates which are slid laterally into each other in the direction of the slope of the roof. The metal plates come to rest on the flat heads 16 of the studs 15 while providing ventilation space 37 which prevents condensation from settling below the zinc and initiating corrosion in association with an acidic aqueous phase, the risk of which is reduced by the fact that the intermediate plates 14 are made of a chemically neutral plastic material.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrits et représentés, mais elle est susceptible de nombreuses variantes accessibles à l'homme de l'art sans que l'on ne s'écarte de l'esprit de l'invention.Of course, the present invention is not limited to the embodiments described and shown, but it is capable of numerous variants accessible to those skilled in the art without departing from the spirit of the invention. 'invention.

Claims (10)

1.- Couverture métallique pour toiture de bâtiment posée sur un support de toiture non ventilé (1), formant table de réception et constituée de plaques métalliques (2, 3) en un matériau résistant à la corrosion, tel que le zinc, destinées à s'emboîter les unes au contact des autres en créant des ri­goles disposées dans le sens de la pente de la toiture, carac­térisée en ce que des plaques intermédiaires continues étan­ches (14) en un matériau mou et élastique, électriquement et chimiquement neutre à l'égard des plaques métalliques (2, 3), par exemple en matière plastique, sont fixées directement sur le support non ventilé formant table (1) à l'aide de tiges ou vis (20, 20a) qui traversent la plaque intermédiaire (14) de façon étanche et dont la tête (23a) vient s'appliquer au contact de cette plaque (14) et en ce que les plaques métalli­ques (2, 3; 24, 25) sont attachées à des pièces de support (9, 34) posées sur les plaques intermédiaires (14) et fixées au support de toiture (1) à l'aide de tiges ou vis (20) traver­sant de façon étanche lesdites plaques intermédiaires (14), tandis que des aspérités ou éléments intercalaires (15) répar­tis régulièrement sur lesdites plaques intermédiaires (14) sont interposées entre les plaques métàlliques et les plaques intermédiaires, de manière à ménager un espace de ventila­tion (37) sous les plaques métalliques et à utiliser l'assem­blage de plaques intermédiaires (14) comme une soustoiture apte à récupérer les fuites et les condensations éventuelles de la toiture principale constituée des plaques métalliques.1.- Metal cover for building roofs placed on a non-ventilated roof support (1), forming a reception table and made up of metal plates (2, 3) made of a corrosion-resistant material, such as zinc, intended for fit together in contact with each other by creating channels arranged in the direction of the slope of the roof, characterized in that watertight continuous intermediate plates (14) made of a soft and elastic material, electrically and chemically neutral to the Regarding the metal plates (2, 3), for example made of plastic, are fixed directly to the non-ventilated support forming the table (1) using rods or screws (20, 20a) which pass through the intermediate plate (14) tightly and the head (23a) of which comes into contact with this plate (14) and in that the metal plates (2, 3; 24, 25) are attached to support parts (9, 34) placed on the intermediate plates (14 ) and fixed to the roof support (1) using rods or screws (20) sealingly passing through said intermediate plates (14), while asperities or intermediate elements (15) distributed regularly over said intermediate plates (14 ) are interposed between the metal plates and the intermediate plates, so as to provide a ventilation space (37) under the metal plates and to use the assembly of intermediate plates (14) as a sub-roof capable of recovering leaks and condensations the main roof made up of metal plates. 2.- Couverture métallique selon la revendication 1, caractérisée en ce que les pièces de support (9, 34) des plaques métalliques (2, 3; 24, 25) sont fixées aux plaques intermédiaires (14) en s'appuyant sur les aspérités ou éléments intercalaires (15) pour laisser subsister sous ces pièces de support (9, 34) un espace de ventilation (37).2.- metal cover according to claim 1, characterized in that the support pieces (9, 34) of the metal plates (2, 3; 24, 25) are fixed to the intermediate plates (14) by pressing on the roughness or intermediate elements (15) to allow a ventilation space (37) to remain under these support parts (9, 34). 3.- Couverture métallique selon la revendication 1 ou 2, caractérisée en ce que les pièces de support (26, 24) des pla­ques métalliques sont fixées aux plaques intermédiaires (14) en s'appuyant sur les aspérités ou éléments intercalaires (15) avec interposition, au moins par places, entre la pièce de support (26) et la plaque intermédiaire (14), d'un élément d'étanchéité et/ou de support tel qu'un joint (30) en mousse d'élastomère.3.- metal cover according to claim 1 or 2, characterized in that the support pieces (26, 24) of the metal plates are fixed to the intermediate plates (14) based on the roughness or intermediate elements (15) with interposition, at least in places, between the support part (26) and the intermediate plate (14), of a sealing and / or support element such as a seal (30) made of elastomer foam. 4.- Couverture métallique selon l'une des revendica­tions 1 à 3, caractérisée en ce que les aspérités ou éléments intercalaires (15) sont monobloc avec la plaque intermédiai­re (14).4.- metal cover according to one of claims 1 to 3, characterized in that the roughness or intermediate elements (15) are integral with the intermediate plate (14). 5.- Couverture métallique selon la revendication 4, caractérisée en ce que les aspérités ou éléments intercalaires monobloc avec la plaque intermédiaire (14) sont constitués par des plots (15) en tronc de cône creux et à tête (16) sensible­ment plane qui sont répartis régulièrement en saillie sur une face d'une plaque plane (14a) réalisée en matière plastique mince.5. A metal cover according to claim 4, characterized in that the protrusions or one-piece intermediate elements with the intermediate plate (14) consist of studs (15) in hollow truncated cone and with substantially flat head (16) which are evenly projecting from one side of a flat plate (14a) made of thin plastic. 6.- Couverture métallique selon la revendication 5, caractérisée en ce que, lorsque les pièces de support pré­sentent une section en cornière dont l'une des ailes (17) est destinée à être posée à plat sur les têtes planes (16) de plu­sieurs plots contigus (15) en tronc de cône, ladite aile (17) présente des cavités (18) en tronc de cône dont la petite base (19) est dirigée du côté opposé à l'autre aile (10) de la pièce de support (9) destinée à coopérer avec les plaques métalliques (2, 3) et en ce que lesdites cavités (18) en tronc de cône présentent une hauteur de saillie sensiblement égale à la hauteur de saillie (h) des troncs de cône de la plaque intermédiaire (14), de manière que ladite aile (17) puisse venir en appui simultanément sur les têtes planes (16) des troncs de cône de la plaque intermédiaire et, par le fond (19) de ces cavités en tronc de cône, directement sur la plaque intermédiaire (14).6. A metal cover according to claim 5, characterized in that, when the support pieces have an angle section of which one of the wings (17) is intended to be placed flat on the flat heads (16) of several contiguous studs (15) in truncated cone, said wing (17) has cavities (18) in truncated cone whose small base (19) is directed on the opposite side to the other wing (10) of the support piece (9) intended to cooperate with the metal plates (2, 3) and in that said cavities (18) in truncated cone have a height of projection substantially equal to the height of projection (h) of truncated cones of the plate intermediate (14), so that said wing (17) can come to bear simultaneously on the flat heads (16) of the truncated cones of the intermediate plate and, directly from the bottom (19) of these truncated cone cavities on the intermediate plate (14). 7.- Couverture métallique selon la revendication 6, caractérisée en ce que la petite base (19) des cavités en tronc de cône (18) de ladite aile (17) de la pièce de sup­port (9) comporte un trou (19a) dans lequel est susceptible de venir s'engager une tige ou vis (20) de fixation de la pièce de support (9) sur le support non ventilé (1).7. A metal cover according to claim 6, characterized in that the small base (19) of the truncated cone cavities (18) of said wing (17) of the support piece (9) has a hole (19a) in which is capable of engaging a rod or screw (20) for fixing the support piece (9) on the non-ventilated support (1). 8.- Couverture métallique selon l'une des revendica­tions 1 à 7, caractérisée en ce que les tiges ou vis (20, 20a) traversant les plaques intermédiaires (14) sont sensiblement étanchées à la traversée de ces plaques du seul fait du contact serré de la périphérie de ces tiges ou vis avec la paroi intérieure d'un trou circulaire prévu dans ces plaques dont le matériau est beaucoup plus élastique que le métal desdites tiges ou vis.8.- metal cover according to one of claims 1 to 7, characterized in that the rods or screws (20, 20a) passing through the intermediate plates (14) are substantially sealed at the crossing of these plates by the simple fact of the tight contact from the periphery of these rods or screws with the inner wall of a circular hole provided in these plates, the material of which is much more elastic than the metal of said rods or screws. 9.- Support pour une couverture métallique selon l'une quelconque des revendications 1 à 8, ledit support présentant une section en cornière et étant destiné à être fixé par l'une des ailes de la cornière sur une surface de réception, carac­térisé en ce que l'aile (17) destinée à la fixation présente des cavités (18) en tronc de cône dont la petite base (19) est dirigée du côté opposé à l'autre aile (10) de la cornière et en ce que le fond sensiblement plat de la petite base (19) constitue une surface d'appui et de fixation sur ladite sur­face de réception (14a).9. Support for a metal cover according to any one of claims 1 to 8, said support having an angle section and being intended to be fixed by one of the wings of the angle on a receiving surface, characterized in that that the wing (17) intended for fixing has cavities (18) in a truncated cone whose small base (19) is directed on the side opposite to the other wing (10) of the angle iron and in that the bottom substantially flat of the small base (19) constitutes a bearing and fixing surface on said receiving surface (14a). 10.- Support selon la revendication 9, caractérisé en ce que la petite base (19) des troncs de cône comporte un trou (19a) de passage d'un moyen de fixation (20) sur la surface de réception (14a).10.- Support according to claim 9, characterized in that the small base (19) of the truncated cones has a hole (19a) for passage of a fixing means (20) on the receiving surface (14a).
EP90401296A 1989-07-26 1990-05-16 Metallic roof covering and supports for such covering Expired - Lifetime EP0410822B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90401296T ATE74989T1 (en) 1989-07-26 1990-05-16 METAL ROOFING AND SUPPORTS FOR SUCH ROOFING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8910071A FR2650319B1 (en) 1989-07-26 1989-07-26 METAL COVER FOR ROOF AND SUPPORTS FOR SUCH COVER
FR8910071 1989-07-26

Publications (2)

Publication Number Publication Date
EP0410822A1 true EP0410822A1 (en) 1991-01-30
EP0410822B1 EP0410822B1 (en) 1992-04-15

Family

ID=9384160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90401296A Expired - Lifetime EP0410822B1 (en) 1989-07-26 1990-05-16 Metallic roof covering and supports for such covering

Country Status (9)

Country Link
US (1) US4977721A (en)
EP (1) EP0410822B1 (en)
JP (1) JPH0359254A (en)
AT (1) ATE74989T1 (en)
DE (1) DE69000072D1 (en)
DK (1) DK0410822T3 (en)
ES (1) ES2031018T3 (en)
FR (1) FR2650319B1 (en)
GR (1) GR3004373T3 (en)

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Also Published As

Publication number Publication date
JPH0359254A (en) 1991-03-14
FR2650319A1 (en) 1991-02-01
GR3004373T3 (en) 1993-03-31
DK0410822T3 (en) 1992-08-17
US4977721A (en) 1990-12-18
DE69000072D1 (en) 1992-05-21
FR2650319B1 (en) 1991-11-08
ES2031018T3 (en) 1992-11-16
EP0410822B1 (en) 1992-04-15
ATE74989T1 (en) 1992-05-15

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