FR2996237A1 - Panel i.e. sandwich panel, for e.g. flat roof, has groove uniformly tilted relative to outer surface of panel and receiving junction device that forms throat, where interior surface of panel is formed opposite to outer surface - Google Patents

Abstract

The panel (10) has an outer surface (12) exposed with the bad weather, and an interior surface (14) formed opposite to the outer surface. Edges (16a, 16c) connect the outer and interior surfaces. A groove (162) in the interior surface receives a junction device (20) that assembles the panel to another roof panel. The junction device forms a throat (22), and the groove is uniformly tilted relative to the outer surface. External parts (16aa, 16ca) and interior parts (16ab, 16cb) extend between the groove and outer surface and between the groove and the interior surface, respectively. An independent claim is also included for an assembly comprising a roof panel.

Description

FIELD OF THE INVENTION The invention relates to a roof panel, including, but not limited to, a roof sandwich panel, for example, but not only for flat roofing.

STATE OF THE PRIOR ART Roof panels are known comprising an outer face intended to be exposed to the elements and an inner face opposite to the outer face, and at least one edge connecting the outer face and the inner face comprising a groove, said groove being configured to receive a junction device for joining said roof panel to another edge-to-edge roof panel, said gutter junction device. Roof panels are also known where the junction device is integrated into the panel, the junction device then forming a section integral with the edge of the panel. For reasons of ease of manufacture, implementation, and versatility, the groove or the profile are parallel to the outer face, which is generally itself parallel to the inner face. When the roof made from these panels is flat, or has a slight inclination, when it rains the water does not flow, or not enough in the gutter. This results in an accumulation of water on the roof that increases the risk of leakage and represents an added mass weakening the roof, or even destroying it. PRESENTATION OF THE INVENTION The object of the present invention is to remedy at least substantially the disadvantages mentioned above. The invention achieves its goal by providing a roof panel comprising an outer face intended to be exposed to the weather and an inner face opposite to the outer face, and at least one edge connecting the outer face and the inner face comprising a groove, said groove being configured to receive a joint device for joining said roof panel to another edge-to-edge roof panel, said gutter junction device, wherein the groove is inclined with respect to the outer face.

In other words, the groove is formed in the edge. It is understood that the junction device may be a part independent of the panels or be an integral part of the other panel and cooperates by interlocking with the groove. The junction device has a groove which is oriented towards the outer face when the junction device cooperates with the groove, this groove forming a gutter.

The invention achieves its goal by also providing a roof panel comprising an outer face intended to be exposed to the weather and an inner face opposite to the outer face, and at least one edge connecting the outer face and the inner face comprising a profile. projection, said profile being configured to assemble said roof panel to another edge-to-edge roof panel and forming a gutter oriented on the side of the outer face, wherein the profile is inclined with respect to the outer face. According to a variant, the profile is disposed in the extension in the direction perpendicular to the edge of a wall of a groove, also inclined (same inclination as the profile), formed in the same edge. In other words, a groove is formed in the edge in the extension of the profile. According to another variant, the edge comprises only a profile and does not include a groove. It is understood that the profile is configured to cooperate by interlocking in a groove of the other panel, or by complementarity of form with complementary means, for example a separate profile, the other panel. The profile has a shape such that it has a groove, or forms a groove with the wall of the edge of the panel.

In general, it is understood that the gutter is an inter-panel gutter, that is to say arranged at the junction between two panels. In other words, the gutter is disposed (or configured to be disposed) on the edge to be joined with the edge of another panel. The groove or profile being inclined (e) relative to the outer face, she / it is not parallel to the outer face. The inclination of the groove or the profile makes it possible to tilt the gutter (for flat roofs), or to accentuate the slope of the gutter (in the case of inclined roofs), which makes it possible to evacuate or improve the evacuation of water. Advantageously, the groove or the profile is uniformly inclined (e) relative to the outer face. Preferably, the groove or profile (i.e. the neutral fiber of the profile) is rectilinear.

It is understood that the groove or the profile has a uniform slope and constant with respect to the outer face. Thus the flow of water made by the gutter is homogeneous over the entire length of the gutter, which prevents a local accumulation of water in the gutter.

Advantageously, the groove or the profile extends over the entire length of the edge. It is understood that the edge has a predetermined length, and that the groove extends over all said predetermined length. For example, when the panel is rectangular in shape, the length of the edge corresponds to the length of the small or large side of the rectangle depending on whether the edge considered corresponds to the edge of the small or large side of the rectangle. Of course, the groove or profile being inclined, the clean length of the groove or profile is greater than the actual length of the edge.

A groove or profile extending along the entire length of the edge collects rainwater infiltrating / flowing between the panels along the entire length of the considered side of the panel. This optimizes the collection of rainwater, which allows on the one hand to avoid the accumulation of water on the panel and on the other hand to prevent water from flowing to the side of the water. inner side of the panel. Advantageously, the groove or profile separates the edge into an outer edge portion extending between the groove / profile and the outer face and an inner edge portion extending between the groove / profile and the inner face, the wall of the outer portion being recessed relative to the wall of the inner portion. It is therefore understood that seen in section perpendicular to the edge, the wall of the upper part of the edge can be offset relative to the wall of the lower part of the edge. In this case, the wall of the outer portion being recessed relative to the wall of the inner portion in the direction perpendicular to the edge. This withdrawal or offset allows to provide a wider opening to the gutter, and thus improve the supply of rainwater in the gutter. This reduces the risk of water stagnating on the outside. Advantageously, the panel comprises an edge having a groove and an edge having a profile, wherein the edge comprising the groove is an edge opposite the edge comprising the profile.

The assembly of several panels each having such a groove and such an integrated profile (i.e. of several similar panels) is particularly easy. It suffices to fit the profile of a panel in the groove facing the adjacent panel, and this for all adjacent panels. Advantageously, said panel is a sandwich panel comprising an outer facing layer (or outer facing) having (ie comprising or forming) said outer face, an inner facing layer (or inner facing) having (ie comprising or forming) said inner face and an insulating layer disposed between the inner facing layer and the outer facing layer. It is understood that the insulating layer is thermally and / or phonically insulated. A roof panel having such a sandwich panel structure has the advantage of not requiring additional insulation below the panel. The interior facing can thus directly form the ceiling. Preferentially, the sandwich panel consists of strictly three layers, namely the inner facing layer, the outer facing layer and the insulating layer. Such a structure has a very good performance / cost ratio. The invention also relates to an assembly comprising a roof panel comprising a groove according to the invention and a joining device for assembling said roof panel to another edge-to-edge roof panel, said joining device having a groove forming a groove for to be oriented on the side of the outer face of the panel when the connecting device is housed (or housed in part) in said groove. The invention further relates to a roof comprising at least two roof panels assembled edge to edge and a gutter disposed between the edges of the two panels, said channel being inclined relative to the outer faces (faces exposed to the weather) of said panels. Preferably, at least one panel of the roof is a roof panel according to the invention. It is understood that the gutter is disposed at the junction of the panels, between two panels. In other words, the gutter is disposed between the edges connected edge to edge panels. Preferably the roof is a flat roof or slightly inclined (slope of the roof less than 30%) BRIEF DESCRIPTION OF THE DRAWINGS The invention and its advantages will be better understood on reading the detailed description given below of various embodiments of the invention given by way of non-limiting examples. This description refers to the appended figures, in which: FIG. 1 represents a first embodiment of a roof panel, seen in perspective, FIG. 2 represents the assembly of two roof panels of FIG. 1, FIG. 3 shows a second embodiment of a roof panel, seen in perspective, FIG. 4 shows the assembly of two roof panels of FIG. 3, FIG. 5 represents a flat roof, and FIG. FIG. 6 represents the flow of water within the roof of FIG. 5. DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS FIG. 1 represents a first embodiment of a panel 10 according to the invention. The panel 10 is rectangular in shape, and has an outer face 12 intended to be exposed to the weather and an inner face 14 opposite to the outer face. Of course, according to one variant, the panel could have another shape: square, triangular, polygonal, etc. In general, the inner and outer faces of a panel are the opposite sides of the panel that have the largest area. The inner faces 12 and outer 14 are parallel. In this example, all the opposite faces of the panel are parallel in pairs.

The panel 10 extends along a direction of length X, a direction of width Y and a direction of thickness Z. The inner faces 12 and outer 14 are parallel to the plane XY, plane parallel to the directions of length X and width Y The outer face 12 and the inner face 14 are connected by the edges 16a, 16b, 16c and 16d. The edges are parallel to the direction of thickness Z, and perpendicular to the XY plane. In particular, the edges 16a and 16c extend in the plane ZX, a plane parallel to the directions of thickness Z and of length X. The edges 16b and 16d extend in the plane ZY, plane parallel to the directions of thickness Z and of width Y. The panel 10 is a sandwich panel comprising strictly three layers, namely an outer facing 120 having the outer face 12, an inner facing 140 having the inner face 140 and an insulating layer 150 disposed between the outer facing 120 and the inner face 140. In Figures 1 to 4, the panel 10 comprises two edge dressings 160 forming the edges 16a and 16c. According to an alternative embodiment not shown, the insulating layer 150 is machined to receive directly, on the bare edge, the junction device 20 described below. The cladding 120 and 140 are directly adhered to the insulating layer 150. The edge dressings 160 cooperate in complementary form with the insulating layer 150, and may, alternatively, also be glued to the insulating layer . The flanges 120a and 140a of the facings 120 and 140 hold the edge dressings 160 in position relative to the insulating layer 150. According to one variant, the edge dressings 160 are equipped with claws (not shown) tending to oppose removal of the edge dressings 160 from the insulating layer 150. The insulating layer 150 forms the edges 16b and 16d, the layer 150 appearing directly on the edges 16b and 16d. In this example, the outer facing layer 120 is aluminum, the inner facing layer 140 is plastic, the edge dressings 160 are plastic, and the insulation layer 150 is rigid foam. Of course these materials are not limiting, other materials can be used. The edges 16a and 16c each have a rectilinear groove 162 inclined relative to the outer face 12. The outer and inner faces 12 and 14 being parallel, the grooves 162 are also inclined relative to the inner face 14. Of course, the grooves 162 are symmetrical with respect to the transverse median plane of the panel 10 parallel to the plane ZX. The grooves 162 are uniformly inclined and extend over the entire length of the edges 16a and 16c of the panel 10. The inclination of the grooves 162 relative to the outer face 12 is non-zero, preferably greater than 1% (ie 0 , 5). Advantageously, this inclination is between 2 and 5% (ie between 1 ° and 30). The maximum possible inclination is determined by the thickness and length of the panel. Furthermore, the grooves 162 separate the edges 16a and 16c in an outer portion 16aa, 16ca and an inner portion 16ab, 16cb. The walls 17aa and 17ca of the outer parts are set back a distance R (see Fig. 2, 3 and 4) in the direction of the width Y (perpendicular to the edges 16a and 16c, the latter extending in the direction the length X) relative to the walls 17ab and 17cb of the inner parts. According to an alternative embodiment not shown, there is no gap between the walls 17aa and 17ca and the walls 17ab and 17cb, the wall 17aa (17ca) being in the extension of the wall 17ab (17cb). Figure 1 also shows a splicing device 20 (sometimes called a "key" or "splice key"). This junction device 20 is a U-shaped plastic profile, the groove 22 of the "U" forming a gutter. The groove 162 receives the connecting device 20 so that the groove 22 is oriented towards the outer face 12. Thus, Figure 1 shows an assembly 30 according to the invention where the panel 10 and the connecting device 20 are distinct. . In other words, the panel 10 and the junction device 20 form two separate parts. FIG. 2 shows the assembly of two similar panels 10 of the first embodiment by means of a junction device 20. To do this, the junction device 20 is partially inserted into the groove 162 of a first embodiment. panel 10, then brings the edge of a second panel 10 vis-à-vis the first panel 10 and inserts the free portion of the connecting device 20 in the groove 162 of the second panel 10. Thus, the edge 16a d one panel is joined with the edge 16c of the other panel, the two panels 10 being thus assembled edge to edge. Of course, care is taken to arrange the connecting device 20 so that the groove 22 is oriented towards the outer faces 12 of the panels 10. According to one variant, the grooves 162 are equipped with partitions / tongues / lips / studs. snap or equivalent (not shown) providing watertight barriers and for retaining the junction device 20 in the groove 162.

Figure 3 shows a second embodiment of a panel 50 according to the invention. The elements common to the panel 10 of the first embodiment retain the same reference sign and are not described again.

The only difference between the panel 10 and the panel 50 is that the edge 16a of the panel 10 includes a protruding profile 52 forming an integrated splicing device. The section 52 protrudes in the extension in the direction perpendicular to the edge 16a (Y direction) of the wall 162a of the groove 162 of the edge 16a. The wall 162a is the inclined wall (perpendicular to the ZX plane) of the groove 162 on the side of the inner facing 14. Thus, the wall 162b of the groove 162 vis-à-vis the wall 162a is the wall of the side. the outer face 12. The groove 162 of the edge 16a and the profile 52 therefore have the same inclination. Of course, according to one variant, the groove 162 of the edge 16a is not present, the edge 16a comprising only the protruding profile 52. The projecting profile 52 forms one and the same piece with the edge dressing 161 The profile 52 is projecting from the edge 16a in the direction of the width Y (ie perpendicular to the edge). In this example, the profile 52 is in the shape of "L". The profile 52 forms with the wall of the edge 16a a groove 54 oriented towards the outer face 12 and forming a gutter. This panel 50 is a panel whose edge 16a comprising the profile 52 is an edge opposite the edge 16c comprising the groove. To assemble two similar panels 50, the profile 52 of a first panel 50 is inserted into the groove 162 of a second panel 50, as shown in FIG. 4. Thus, the edge 16a of a panel is joined with the 16c edge of the other panel, the two panels 50 are thus assembled edge to edge. FIG. 5 shows a flat roof (ie parallel to the horizontal direction or perpendicular to the direction of gravity) 100 manufactured using panels according to the invention, for example panels 10 or panels 50, in this example Advantageously, in general, the bending stiffness of the panels is sufficient that the roof panels are self-supporting. Thus, in the example of FIG. 5, the panels 50 are self-supporting and are simply placed and fixed on the head of the walls or walls 102 (see FIG. The roof 100 comprises according to its width L a single panel 50. In this case, the roof panel or panels 50 cover the entire width of the roof 100, and more generally the roof panels 50 cover one of the two dimensions among the width and the length of the flat roof. Concretely, it is possible to implement roof panels 50 having a length of the order of three, four, five or six meters, or more, and resting at their ends on the top of the walls 102. panel formed by the profiles 52 10 flow directly into a conventional gutter 104 collecting the rainwater collected on the roof 100 via the gutters of the profiles 52. Of course, all the profiles (or, depending on the variants, all the grooves) are parallel within the roof. In other words, the side of the panels where the profile (or the groove) is closest to the outer face 14 are all arranged on the same side A within the roof 100, while the side of the panels where the profile (or the groove) is furthest from the outer face 14 are all arranged on the same side B within the roof. Thus, it can be considered that the side A of the flat roof 100 forms a "roof ridge" from the point of view of the flow of water. Of course, in the case where the roof is inclined, the side A of the roof would be higher (relative to the ground) than the B side and form a conventional ridge. Thanks to the inclination of the grooves / profiles, the inclination of inter-panel gutters would then be greater than the inclination of the roof.

The arrows in FIG. 6 represent the flow of water within the roof 100. When raining, the rainwater received on the outer faces 12 of the panels 50 flows into the groove 54 of the profile 52, in particular thanks to the withdrawal R of the wall 17aa of the wall 17ca relative to the walls 17ab and 17cb. Then the inclination of the section 52 52 allows to evacuate by gravity water side B of the roof 100, which flows out of the groove 54 to the outside. The conventional gutter 104 in turn collects the rainwater from the throats 54 in a manner known elsewhere. Although the present invention has been described with reference to specific exemplary embodiments, it is obvious that modifications and changes can be made to these examples without departing from the general scope of the invention as defined by the claims. . In particular, individual features of the various embodiments illustrated / mentioned can be combined in additional embodiments. Therefore, the description and drawings should be considered in an illustrative rather than restrictive sense.

Claims (12)

REVENDICATIONS1. Roof panel (10) comprising an outer face (12) to be exposed to the weather and an inner face (14) opposite to the outer face, and at least one edge (16a, 16c) connecting the outer face (12) and the inner face (14) including a groove (162), said groove (162) being configured to receive a joining device (20) for joining said roof panel (10) to another edge-to-edge roof panel (10) , said junction device (20) forming a gutter (22), characterized in that the groove (162) is inclined relative to the outer face (12). The roof panel (10) of claim 1, wherein the groove (162) is uniformly inclined with respect to the outer face (12). The roof panel (10) of claim 1 or 2, wherein the groove (162) extends the full length of the edge (16a, 16c). A roof panel (10) according to any one of claims 1 to 3, wherein the groove (162) separates the edge (16a, 16b) into an outer portion (16aa, 16ca) extending between the groove ( 162) and the outer face (12) and an inner portion (16ab, 16cb) extending between the groove (162) and the inner face (14), the wall of the outer portion (17aa, 17ca) being recessed by relative to the wall of the inner part (17ab, 17cb). A roof panel (50) comprising an outer face (12) for weathering and an inner face (14) opposite to the outer face (12), and at least one edge (16a) connecting the outer face (12). 12) and the inner face (14) comprising a protruding profile (52), said profile (52) being configured to assemble said roof panel (50) to another roof panel (50) edge-to-edge and forming a gutter (54) oriented on the side of the outer face (12), characterized in that the profile (52) is inclined relative to the outer face (12). Roof panel (50) according to claim 5, wherein the profile (52) is uniformly inclined with respect to the outer face (12). The roof panel (50) of claim 5 or 6, wherein the profile (52) extends the full length of the edge (16a). A roof panel (50) according to any one of claims 5 to 7, wherein the profile (52) separates the edge (16a) into an outer portion (16aa) extending between the profile (52) and the outer face (12) and an inner portion (16ab) extending between the profile (52) and the inner face (14), the wall of the outer portion (17aa) being recessed with respect to the wall of the inner portion (17ab). The roof panel (50) according to any one of claims 1 to 4 and any one of claims 5 to 8, wherein the edge (16c) including the groove (162) is an edge opposite the edge ( 16a) comprising the profile (52). A roof panel (10, 50) according to any one of claims 1 to 9, said panel (10, 50) being a sandwich panel comprising an outer facing layer (120) having said outer face (12), a inner cladding layer (140) having said inner face (14), and an insulating layer (150) disposed between the inner cladding layer (120) and the outer cladding layer (140). An assembly (30) comprising a roof panel (10) according to any one of claims 1 to 4 or any one of claims 1 to 4 and claim 10, and a joining device (20) for assembling said roof panel (10) to another roof panel (10) edge to edge, said jointing device (20) having a groove (22) forming a gutter to be oriented on the side of the outer face (14) of the panel (10) when the connecting device (20) is housed in said groove (162). 12. Roofing (100) comprising at least two roof panels (10, 50) according to any one of claims 1 to 10 edge-to-edge assemblies and a gutter (22, 54) formed by the junction device (20) or by the profile (52) .5