EP0553012A1 - Watertight roof covering device - Google Patents

Watertight roof covering device Download PDF

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Publication number
EP0553012A1
EP0553012A1 EP93400104A EP93400104A EP0553012A1 EP 0553012 A1 EP0553012 A1 EP 0553012A1 EP 93400104 A EP93400104 A EP 93400104A EP 93400104 A EP93400104 A EP 93400104A EP 0553012 A1 EP0553012 A1 EP 0553012A1
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EP
European Patent Office
Prior art keywords
sheet
sheets
edges
insulating layer
ribs
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Granted
Application number
EP93400104A
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German (de)
French (fr)
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EP0553012B1 (en
Inventor
Emmanuel Houssin
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Siplast SA
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Siplast SA
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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
    • 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
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs

Definitions

  • the present invention relates to a waterproof roofing device for roofs, in particular for industrial buildings, comprising a support element, generally a metal sheet and, above it, an insulating layer, itself covered with a sealing coating, ensuring the protection of the assembly against inclement weather in particular.
  • roofing devices of this type which include a metal support sheet, resting on appropriate purlins or support walls, this sheet being associated from above and towards the outside of the room thus covered, with a layer of an insulating material having a suitable thickness and with a waterproof external coating in sheets, covering the insulating layer.
  • a metal support sheet resting on appropriate purlins or support walls, this sheet being associated from above and towards the outside of the room thus covered, with a layer of an insulating material having a suitable thickness and with a waterproof external coating in sheets, covering the insulating layer.
  • mechanical connection means such as screws, rivets, studs or the like, which pass through the metal sheet to cooperate with an appropriate fastening member of the nuts, washers, counter rivets, clips or others, ensuring proper and secure blocking of the elements thus assembled.
  • these solutions require the piercing of the sheet, usually made of a bituminous material constituting the sealing coating, for the passage of the fixing screw or stud, the head of which rests on a metal washer bearing on the external surface. of this coating, this screw then passing through the insulating layer and finally the support sheet to ensure screwing on its protruding end.
  • these solutions do not require making a pilot hole for the passage of the fixing screws in the sheet, these screws usually being of the "Parker" screw type, well known in the art.
  • a second sealing sheet extending either over the entire surface of the coating, or only in line with the heads of the screws, the coating sheet or sheets being applied to the insulating layer which, preferably, is formed of juxtaposed panels, resting against the supporting metal sheet.
  • the present invention relates to a roofing device for roofing which avoids these drawbacks, by ensuring a secure connection, quick to assemble and at a reduced cost price, between the supporting metal sheets and an external sheet sealing coating. , through an insulating layer placed between this sheet and this coating as in the prior art, but eliminating the effect unsightly on the underside of the sheets for piercing the latter, the connection made being made invisible.
  • the device considered comprising a support element consisting of a set of contiguous metal sheets, an insulating layer applied against the external face of the support element, preferably formed by the juxtaposition of insulating panels resting on the sheets and an outer sealing coating, placed against the insulating layer, as well as mechanical connection means bearing on the outer coating or on the insulating layer and passing through the latter and, if appropriate, the sheet facing the carrier element, characterized in that the contiguous sheets of said carrier element have edges which overlap each other from one another in a marginal overlap zone, these sheets comprising at least in these edges ribs whose heights are different, respectively in the edge of a first sheet and in the adjacent edge of a second sheet covered by the first, so to delimit between these ribs embedded one inside the other in said zone, a closed housing in which extends the terminal part of the connecting means after crossing the first sheet and with which may be associated a blocking member and immobilization, the two edges of any sheet of the carrier element comprising, for one a rib of greater
  • the mechanical connection means are constituted by a screw, a rivet, a stud or the like, comprising an end and a washer bearing against the external surface of the waterproof covering and a terminal part threaded, welded to the sheet or passing through it to be locked in the closed housing, delimited between the ribs of the edges of two sheets contiguous.
  • the connecting means consists of a stud
  • the end of the latter is also threaded and cooperates with another locking and immobilizing nut, or is welded to the sheet metal at the right of the housing.
  • the difference in the heights of the ribs of the edges of the adjoining sheets in the marginal overlap area of the latter is at least equal to the length of the terminal part of the connecting means and of the locking member and d associated asset.
  • the device according to the invention can be applied whatever the nature and in particular the width of the adjacent panels forming the insulating layer, the thickness of these panels determining the height of the screws or studs constituting the fixing means.
  • the waterproofing coating can be produced by means of a single sheet or of several superimposed sheets. Preferably, it is formed of successive strips overlapping each other from one strip to another, advantageously in line with the fixing means.
  • the reference 1 designates a waterproof roofing device for the roof or the like according to the invention, this device being in particular intended to constitute the ceiling of a room coming to rest on support purlins 2, extending transversely from load-bearing walls such as 3.
  • the cover 1 consists of a carrier element 4, formed of contiguous metal sheets 5, each of these sheets preferably comprising in its current part grooves or folds stiffening 6 and, from place to place along the transverse dimension of the sheet 5, ribs 7 of greater height, allowing in particular the support of the sheets on the purlins 2 which carry them.
  • the carrier element 4 in turn supports an insulating layer 8, advantageously constituted by means of a set of parallelepipedic panels 9, arranged side by side over the entire extent of the covering device 1, by resting on the external surface sheets 5.
  • insulating layer 8 advantageously constituted by means of a set of parallelepipedic panels 9, arranged side by side over the entire extent of the covering device 1, by resting on the external surface sheets 5.
  • These panels can be made of any suitable insulating material, for example rigidified plastic foam, in particular polystyrene, or even polyurethane or any other usual material, such as mineral wool or other equivalent product such as those known in the art. under the terms of "Perlite” or "Resol” foam.
  • the layer 8 comprises from above a waterproof coating 10, advantageously constituted by means of one or more layers formed of sheets of bituminous material, unwound on the insulating layer and welded or glued at the edge of a sheet to the other by heating with a torch or by any other method conventional in the art.
  • a waterproof coating 10 advantageously constituted by means of one or more layers formed of sheets of bituminous material, unwound on the insulating layer and welded or glued at the edge of a sheet to the other by heating with a torch or by any other method conventional in the art.
  • the support element 4 and the external waterproof coating 10 are joined by mechanical connecting means 11 which extend perpendicular to the plane of the sheets 5, the insulating layer 8 thus being trapped between them.
  • these connecting means are made in the form of screws or studs 12 whose end portion 13 directed towards the corresponding sheet 5, is threaded at 14, also passing through the sheet to emerge slightly below it.
  • the fixing means is a screw, as is the usual case, its opposite end 15 is flared at 16 and rests on a blocking and immobilization plate 17, retaining the sealing coating.
  • the fixing means is a stud, one can likewise provide at the corresponding threaded end a locking nut (here not shown).
  • the sheets 5 constituting the carrier element 4 are shaped during their manufacture so that they have in their opposite edges, respectively 18 and 19, a different profile with on one side, for example in the edge 18 in the Figure, a rib 20 of considerable height and in particular equal to that of the ribs 7 in the current part of the sheet, and a rib 21 of lower height in the opposite edge 19.
  • the partial overlapping or overlapping of the edges 18 and 19 respectively of two contiguous sheets 5 in the carrier element 4 delimits by means of the ribs 20 and 21 provided in these edges and between these ribs due to their different height. , a closed housing 22 into which penetrates in particular the end portion 13 of the threaded screw or of the stud 12.
  • the interior of the housing 22 becomes completely invisible from the outside and in particular from below the covering device inside the room which it overcomes.
  • the possible holes made in the sheets for the passage of the terminal parts 13 of the screws 12, or even the traces of burns or the possible weld deposits in the solution using studs welded against the sheet 5, cannot be seen in the ceiling. of the room, which remains perfectly clean, in particular if the sheets 5 have undergone before assembly an appropriate pre-painting or painting treatment.
  • the connecting means 11 between a sheet 5 and the external waterproof coating 10 by trapping the panels 9 of the insulating layer 8 are produced by a rod 23 which in this variant is threaded, not only in its end portion 24 which penetrates into the housing 22 under the top of the rib 20, but also at its opposite end 25 forming a head and which passes through the covering 10.
  • these two threaded ends 24 and 25 cooperate respectively with a nut 26 and a lock nut 27 for the end 24 by blocking the rod 23 with respect to the sheet 5, the other end 25 cooperating with another nut 28 bearing on the plate or washer 17.
  • Figures 3, 4 and 5 illustrate various other variants using in particular different solutions from one to the other with regard to the waterproof coating 10 disposed towards the outside of the covering device.
  • this coating is formed of a first layer 29 which, in line with the locations of the connecting means 11, is pierced by the corresponding studs or threaded rods, this layer, made of bituminous material, being it - even doubled by a second analogous layer, which covers the elements or fixing means, whatever the embodiment envisaged for the latter.
  • the waterproof coating 10 comprises a single layer 31 similar to the first layer 29 of the previous example, the heads or terminal nuts of the studs or rods of the connecting means 11 being covered with portions or pieces 32 of appropriate dimensions and of the same nature, welded or glued by their periphery to the layer 31.
  • the external covering 10 is formed from successive sheets or strips 33, one of the edges 34 of which presses against the insulating layer 8 and is pierced by the connecting means 11 at the places where these are implanted, the other edge 35 of the neighboring sheet overlapping this edge 34 of the sheet by covering the head or terminal end of the corresponding connecting means.
  • a waterproof covering device for roofing or the like is thus produced, of simple design and which makes it possible to ensure safe and effective fixing of the support element and of the external waterproof covering through the insulating layer, without the holes in the sheets which constitute this load-bearing element or the traces of welding carried out on them, are visible from the outside and in particular from below the device, avoiding the need to mount an additional partition forming a false ceiling under it.
  • the panels constituting the insulating layer may have any dimensions, if necessary close to those of the sheets by being juxtaposed or offset with respect to the edges thereof. Similarly, the thickness of these panels can be adapted according to the circumstances of use of the cover, the length of the studs or rods constituting the connecting means being adapted to each particular case.
  • the heights of the ribs, respectively on one side and on the other of the sheets, which mutually interlock from one sheet to the other to delimit the closed housings, are chosen so that their difference corresponds approximately to the size represented by the protruding terminal end of the connecting means and, where appropriate, nuts or other blocking members which cooperate with its ends.
  • the distribution of the connecting means through the carrier element can vary from one embodiment to another depending on the importance of the forces to which the structure is likely to be subjected.
  • the invention is not limited to the embodiment more specifically described above with reference to the accompanying drawings; on the contrary, it embraces all its variants.

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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)
  • Details Of Aerials (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Liquid Crystal Substances (AREA)
  • Catalysts (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

Watertight roof covering device, comprising a bearing element (4) consisting of an assembly of contiguous metal sheets (5), an insulating layer (8) applied against the outer face of the bearing element, and an outer leakproofing covering (10) arranged against the insulating layer, as well as mechanical connection means (11) bearing on the outer covering and passing through the insulating layer and, if appropriate, the opposite sheet. <??>According to the invention, the contiguous sheets (5) of the said bearing element (4) comprise edges (18, 19) which are mutually superimposed in a marginal covering zone, these sheets comprising, at least in these edges, ribs (20, 21) whose heights are different, respectively, in the edge of a first sheet and in the adjacent edge of a second sheet covered by the first one, in such a way as to delimit between these ribs a closed seat (22) in which the end part (13, 24) of the connection means extends. <IMAGE>

Description

La présente invention est relative à un dispositif de couverture étanche pour toiture, en particulier de bâtiments industriels, comportant un élément porteur, généralement une tôle métallique et, par le dessus de celle-ci, une couche isolante, elle-même recouverte d'un revêtement d'étanchéité, assurant la protection de l'ensemble vis-à-vis des intempéries notamment.The present invention relates to a waterproof roofing device for roofs, in particular for industrial buildings, comprising a support element, generally a metal sheet and, above it, an insulating layer, itself covered with a sealing coating, ensuring the protection of the assembly against inclement weather in particular.

On connaît déjà des dispositifs de couverture de ce genre qui'comportent une tôle métallique de support, reposant sur des pannes ou murs d'appui appropriés, cette tôle étant associée par le dessus et vers l'extérieur du local ainsi couvert, à une couche d'un matériau isolant présentant une épaisseur convenable et à un revêtement externe étanche en feuilles, recouvrant la couche isolante. Mais dans les solutions classiques, pour résister aux effets de compression ou d'arrachement qui s'exercent sur l'ensemble, du fait du vent notamment, il est indispensable de réunir la tôle métallique et le revêtement externe emprisonnant entre eux la couche isolante, par des moyens de liaison mécanique, du genre vis, rivets, goujons ou analogues, qui traversent la tôle métallique pour coopérer avec un organe d'attache approprié du type écrous, rondelles, contre-rivets, clips ou autres, assurant un blocage convenable et sûr des éléments ainsi réunis.Roofing devices of this type are already known which include a metal support sheet, resting on appropriate purlins or support walls, this sheet being associated from above and towards the outside of the room thus covered, with a layer of an insulating material having a suitable thickness and with a waterproof external coating in sheets, covering the insulating layer. But in conventional solutions, in order to resist the effects of compression or tearing which are exerted on the assembly, due in particular to the wind, it is essential to join the metal sheet and the external coating trapping the insulating layer between them, by mechanical connection means, such as screws, rivets, studs or the like, which pass through the metal sheet to cooperate with an appropriate fastening member of the nuts, washers, counter rivets, clips or others, ensuring proper and secure blocking of the elements thus assembled.

De façon générale, ces solutions exigent le percement de la feuille, habituellement en un matériau bitumineux constituant le revêtement d'étanchéité, pour le passage de la vis ou du goujon de fixation dont la tête repose sur une rondelle métallique en appui sur la surface externe de ce revêtement, cette vis traversant ensuite la couche isolante et finalement la tôle de support pour assurer le vissage sur son extrémité dépassante. Notamment et de la manière la plus courante, ces solutions n'exigent pas de faire un avant-trou pour le passage des vis de fixation dans la tôle, ces vis étant habituellement du type vis "Parker", bien connues dans la technique.In general, these solutions require the piercing of the sheet, usually made of a bituminous material constituting the sealing coating, for the passage of the fixing screw or stud, the head of which rests on a metal washer bearing on the external surface. of this coating, this screw then passing through the insulating layer and finally the support sheet to ensure screwing on its protruding end. In particular and in the most common way, these solutions do not require making a pilot hole for the passage of the fixing screws in the sheet, these screws usually being of the "Parker" screw type, well known in the art.

Toutefois, il peut être alors souhaitable de recouvrir l'ensemble par une seconde feuille d'étanchéité s'étendant, soit sur toute la surface du revêtement, soit seulement au droit des têtes des vis, la ou les feuilles de revêtement étant appliquées sur la couche isolante qui, de préférence, est formée de panneaux juxtaposés, reposant contre la tôle métallique porteuse. En variante, on peut dérouler à sec une première feuille du revêtement isolant sur les panneaux isolants, assurer sa fixation avec la tôle par des vis traversantes comme indiqué ci-dessus, puis coller ou souder le revêtement étanche externe, le cas échéant en protégeant de la chaleur les panneaux isolants sous-jacents, ou encore disposer les vis de fixation à l'endroit du recouvrement des différents lés de feuilles constituant ce revêtement, le bord de chaque lé étant collé ou soudé sur la lisière du bord du lé adjacent, en recouvrant les rondelles métalliques d'appui des têtes des vis.However, it may then be desirable to cover the assembly with a second sealing sheet extending either over the entire surface of the coating, or only in line with the heads of the screws, the coating sheet or sheets being applied to the insulating layer which, preferably, is formed of juxtaposed panels, resting against the supporting metal sheet. As a variant, it is possible to unroll a first sheet of the insulating coating on the insulating panels, to secure it with the sheet by transverse screws as indicated above, then to glue or weld the external waterproof coating, if necessary protecting from the heat the underlying insulating panels, or else place the fixing screws at the location of the covering of the various strips of sheets constituting this covering, the edge of each strip being glued or welded to the edge of the edge of the adjacent strip, covering the metal washers supporting the heads of the screws.

Dans tous les cas, les vis, rivets ou goujons de fixation traversent en principe la tôle et exigent le percement de celle-ci, ce qui constitue un inconvénient. Pour y pallier, on peut prévoir, soit d'assurer la liaison mécanique indispensable en réalisant dans la face externe de la tôle des nervures et rainures d'ancrage, à profil par exemple en queue d'aronde pour des têtes de goujon dont l'extrémité filetée qui dépasse vers l'extérieur après traversée de la couche isolante, coopère avec des pièces de blocage appropriées, ce qui constitue une solution peu pratique, coûteuse et compliquant notamment la mise en place et le montage de la couverture de toiture, soit encore souder directement ces goujons sur la face externe de la tôle contre laquelle s'appuient les panneaux isolants.In all cases, the fixing screws, rivets or studs in principle pass through the sheet metal and require the drilling of this, which is a drawback. To compensate for this, provision can be made either to provide the essential mechanical connection by making ribs and anchoring grooves in the external face of the sheet, for example in dovetail profile for stud heads, the threaded end which protrudes outwards after passing through the insulating layer, cooperates with appropriate blocking parts, which constitutes an impractical, expensive and particularly complicated solution the installation and assembly of the roof covering, or even weld these studs directly to the external face of the sheet against which the insulating panels bear.

Mais dans l'une ou l'autre de ces réalisations, soit du fait du percement de la tôle, soit en raison de la soudure du goujon ou des moyens d'immobilisation de ce dernier, on pénalise la face opposée de la tôle qui constitue le plafond du local recouvert, les trous laissant apparaître des marques inesthétiques, tandis que la soudure des goujons introduit des tracés de brûlures, ce qui est inacceptable, notamment si la surface correspondante de la tôle a été prélaquée.But in one or other of these embodiments, either because of the piercing of the sheet, or because of the welding of the stud or of the immobilization means of the latter, we penalize the opposite face of the sheet which constitutes the ceiling of the covered room, the holes revealing unsightly marks, while the welding of the studs introduces traces of burns, which is unacceptable, especially if the corresponding surface of the sheet has been pre-painted.

Il est donc indispensable de disposer sous la tôle un faux plafond rapporté, ce qui est à nouveau une solution coûteuse et exige un temps de main-d'oeuvre pour sa mise en place et sa fixation non négligeable.It is therefore essential to have an attached false ceiling under the sheet, which is once again an expensive solution and requires labor time for its installation and its considerable fixing.

La présente invention est relative à un dispositif de couverture pour toiture qui évite ces inconvénients, en assurant une liaison sûre, rapide à monter et d'un prix de revient réduit, entre les tôles métalliques de support et un revêtement externe d'étanchéité en feuilles, à travers une couche isolante placée entre cette tôle et ce revêtement comme dans l'état de la technique, mais en éliminant l'effet inesthétique en sous-face des tôles du percement de ces dernières, la liaison réalisée étant rendue invisible.The present invention relates to a roofing device for roofing which avoids these drawbacks, by ensuring a secure connection, quick to assemble and at a reduced cost price, between the supporting metal sheets and an external sheet sealing coating. , through an insulating layer placed between this sheet and this coating as in the prior art, but eliminating the effect unsightly on the underside of the sheets for piercing the latter, the connection made being made invisible.

A cet effet, le dispositif considéré, comportant un élément porteur constitué d'un ensemble de tôles métalliques contiguës, une couche isolante appliquée contre la face externe de l'élément porteur, de préférence formée par la juxtaposition de panneaux isolants reposant sur les tôles et un revêtement extérieur d'étanchéité, disposé contre la couche isolante, ainsi que des moyens de liaison mécaniques prenant appui sur le revêtement extérieur ou sur la couche isolante et traversant celle-ci et le cas échéant la tôle en regard de l'élément porteur, se caractérisé en ce que les tôles contiguës dudit élément porteur comportent des bords qui se superposent mutuellement de l'une à l'autre dans une zone de recouvrement marginale, ces tôles comportant au moins dans ces bords des nervures dont les hauteurs sont différentes, respectivement dans le bord d'une première tôle et dans le bord adjacent d'une seconde tôle recouverte par la première, de manière à délimiter entre ces nervures encastrées l'une dans l'autre dans ladite zone, un logement fermé dans lequel s'étend la partie terminale des moyens de liaison après traversée de la première tôle et à laquelle peut être éventuellement associé un organe de blocage et d'immobilisation, les deux bords d'une tôle quelconque de l'élément porteur comportant, pour l'un une nervure de plus grande hauteur et pour l'autre, à l'opposé du premier, une nervure de plus faible hauteur.To this end, the device considered, comprising a support element consisting of a set of contiguous metal sheets, an insulating layer applied against the external face of the support element, preferably formed by the juxtaposition of insulating panels resting on the sheets and an outer sealing coating, placed against the insulating layer, as well as mechanical connection means bearing on the outer coating or on the insulating layer and passing through the latter and, if appropriate, the sheet facing the carrier element, characterized in that the contiguous sheets of said carrier element have edges which overlap each other from one another in a marginal overlap zone, these sheets comprising at least in these edges ribs whose heights are different, respectively in the edge of a first sheet and in the adjacent edge of a second sheet covered by the first, so to delimit between these ribs embedded one inside the other in said zone, a closed housing in which extends the terminal part of the connecting means after crossing the first sheet and with which may be associated a blocking member and immobilization, the two edges of any sheet of the carrier element comprising, for one a rib of greater height and for the other, opposite the first, a rib of smaller height.

Dans un mode de réalisation préféré de l'invention, les moyens de liaison mécaniques sont constitués par une vis, un rivet, un goujon ou équivalent, comportant une extrémité et une rondelle d'appui contre la surface extérieure du revêtement étanche et une partie terminale filetée, soudée à la tôle ou la traversant pour être bloquée dans le logement fermé, délimité entre les nervures des bords de deux tôles contiguës. En variante, notamment lorsque le moyen de liaison est constitué par un goujon, l'extrémité de celui-ci est également filetée et coopère avec un autre écrou de blocage et d'immobilisation, ou est soudé sur la tôle au droit du logement.In a preferred embodiment of the invention, the mechanical connection means are constituted by a screw, a rivet, a stud or the like, comprising an end and a washer bearing against the external surface of the waterproof covering and a terminal part threaded, welded to the sheet or passing through it to be locked in the closed housing, delimited between the ribs of the edges of two sheets contiguous. As a variant, in particular when the connecting means consists of a stud, the end of the latter is also threaded and cooperates with another locking and immobilizing nut, or is welded to the sheet metal at the right of the housing.

Dans tous les cas, la différence des hauteurs des nervures des bords des tôles contiguës dans la zone de recouvrement marginale de celles-ci est au moins égale à la longueur de la partie terminale des moyens de liaison et de l'organe de blocage et d'immobilisation associé.In all cases, the difference in the heights of the ribs of the edges of the adjoining sheets in the marginal overlap area of the latter is at least equal to the length of the terminal part of the connecting means and of the locking member and d associated asset.

Par ailleurs, il est clair que le dispositif selon l'invention peut s'appliquer quelle que soit la nature et en particulier la largeur des panneaux adjacents formant la couche isolante, l'épaisseur de ces panneaux déterminant la hauteur des vis ou goujons constituant les moyens de fixation. De même, le revêtement d'étanchéité peut être réalisé au moyen d'une feuille unique ou de plusieurs feuilles superposées. De préférence, il est formé de lés successifs se recouvrant mutuellement d'un lé à l'autre, avantageusement au droit des moyens de fixation.Furthermore, it is clear that the device according to the invention can be applied whatever the nature and in particular the width of the adjacent panels forming the insulating layer, the thickness of these panels determining the height of the screws or studs constituting the fixing means. Likewise, the waterproofing coating can be produced by means of a single sheet or of several superimposed sheets. Preferably, it is formed of successive strips overlapping each other from one strip to another, advantageously in line with the fixing means.

D'autres caractéristiques d'un dispositif de couverture étanche pour toiture ou analogue établi conformément à l'invention, apparaîtront encore à travers la description qui suit de plusieurs exemples de réalisation, donnés à titre indicatif et non limitatif, en référence aux dessins annexés sur lesquels :

  • La Figure 1 est une vue en perspective avec coupe transversale et arrachement partiel d'un premier mode de réalisation de l'invention.
  • La Figure 2 est une vue en coupe à plus grande échelle d'un détail de la Figure 1, illustrant une variante des moyens de liaison mis en oeuvre.
  • Les Figures 3, 4 et 5 sont des vues en coupe transversale schématiques de diverses variantes de réalisation du revêtement étanche placé sur le dessus du dispositif, en assurant la protection des moyens de liaison.
Other characteristics of a waterproof roofing device or the like established in accordance with the invention will become apparent from the following description of several embodiments, given by way of non-limiting example, with reference to the drawings appended to which :
  • Figure 1 is a perspective view with cross section and partial cutaway of a first embodiment of the invention.
  • Figure 2 is a sectional view on a larger scale of a detail of Figure 1, illustrating a variant of the connecting means used.
  • Figures 3, 4 and 5 are schematic cross-sectional views of various alternative embodiments of the waterproof coating placed on top of the device, ensuring the protection of the connecting means.

Sur la Figure 1, la référence 1 désigne un dispositif de couverture étanche pour toiture ou analogue selon l'invention, ce dispositif étant notamment destiné à constituer le plafond d'un local en venant reposer sur des pannes de support 2, s'étendant transversalement à partir de murs porteurs tels que 3.In FIG. 1, the reference 1 designates a waterproof roofing device for the roof or the like according to the invention, this device being in particular intended to constitute the ceiling of a room coming to rest on support purlins 2, extending transversely from load-bearing walls such as 3.

De façon en elle-même connue dans la technique pour ce genre de construction, la couverture 1 est constituée d'un élément porteur 4, formé de tôles métalliques contiguës 5, chacune de ces tôles comportant de préférence dans sa partie courante des cannelures ou plis de rigidification 6 et, de place en place selon la dimension transversale de la tôle 5, des nervures 7 de plus grande hauteur, permettant notamment l'appui des tôles sur les pannes 2 qui les portent.In itself known in the art for this type of construction, the cover 1 consists of a carrier element 4, formed of contiguous metal sheets 5, each of these sheets preferably comprising in its current part grooves or folds stiffening 6 and, from place to place along the transverse dimension of the sheet 5, ribs 7 of greater height, allowing in particular the support of the sheets on the purlins 2 which carry them.

L'élément porteur 4 supporte à son tour une couche isolante 8, avantageusement constituée au moyen d'un ensemble de panneaux parallélépipédiques 9, disposés côte à côte sur toute l'étendue du dispositif de couverture 1, en s'appuyant sur la surface externe des tôles 5. Ces panneaux peuvent être réalisés en tout matériau isolant approprié, par exemple en mousse plastique rigidifiée, notamment en polystyrène, voire en polyuréthane ou tout autre matériau usuel, tel que laine minérale ou autre produit équivalent tel que ceux connus dans la technique sous les termes de "Perlite" ou mousse "Résol".The carrier element 4 in turn supports an insulating layer 8, advantageously constituted by means of a set of parallelepipedic panels 9, arranged side by side over the entire extent of the covering device 1, by resting on the external surface sheets 5. These panels can be made of any suitable insulating material, for example rigidified plastic foam, in particular polystyrene, or even polyurethane or any other usual material, such as mineral wool or other equivalent product such as those known in the art. under the terms of "Perlite" or "Resol" foam.

Enfin, la couche 8 comporte par le dessus un revêtement étanche 10, avantageusement constitué au moyen d'une ou de plusieurs couches formées de feuilles d'un matériau bitumineux, déroulées sur la couche isolante et soudées ou collées en lisière d'une feuille à l'autre par chauffage au chalumeau ou selon toute autre méthode classique dans la technique.Finally, the layer 8 comprises from above a waterproof coating 10, advantageously constituted by means of one or more layers formed of sheets of bituminous material, unwound on the insulating layer and welded or glued at the edge of a sheet to the other by heating with a torch or by any other method conventional in the art.

De façon également classique dans la réalisation de tels dispositifs de couverture, l'élément porteur 4 et le revêtement étanche externe 10 sont réunis par des moyens de liaison mécaniques 11 qui s'étendent perpendiculairement au plan des tôles 5, la couche isolante 8 étant ainsi emprisonnée entre eux. Dans l'exemple de réalisation représenté sur la Figure 1, ces moyens de liaison sont réalisés sous la forme de vis ou de goujons 12 dont la partie terminale 13 dirigée vers la tôle 5 correspondante, est filetée en 14, en traversant en outre la tôle pour émerger légèrement en dessous de celle-ci. Lorsque le moyen de fixation est une vis, comme c'est le cas usuel, son extrémité opposée 15 est évasée en 16 et s'appuie sur une plaquette de blocage et d'immobilisation 17, retenant le revêtement d'étanchéité. Lorsque le moyen de fixation est un goujon, on peut de la même manière prévoir à l'extrémité filetée correspondante un écrou de blocage (ici non représenté).Also in a conventional manner in the production of such covering devices, the support element 4 and the external waterproof coating 10 are joined by mechanical connecting means 11 which extend perpendicular to the plane of the sheets 5, the insulating layer 8 thus being trapped between them. In the embodiment shown in Figure 1, these connecting means are made in the form of screws or studs 12 whose end portion 13 directed towards the corresponding sheet 5, is threaded at 14, also passing through the sheet to emerge slightly below it. When the fixing means is a screw, as is the usual case, its opposite end 15 is flared at 16 and rests on a blocking and immobilization plate 17, retaining the sealing coating. When the fixing means is a stud, one can likewise provide at the corresponding threaded end a locking nut (here not shown).

Conformément à l'invention, les tôles 5 constituant l'élément porteur 4 sont conformées lors de leur fabrication de telle sorte qu'elles présentent dans leurs bords opposés, respectivement 18 et 19, un profil différent avec d'un côté, par exemple dans le bord 18 sur la Figure, une nervure 20 de hauteur notable et en particulier égale à celle des nervures 7 dans la partie courante de la tôle, et une nervure 21 de plus faible hauteur dans le bord opposé 19.According to the invention, the sheets 5 constituting the carrier element 4 are shaped during their manufacture so that they have in their opposite edges, respectively 18 and 19, a different profile with on one side, for example in the edge 18 in the Figure, a rib 20 of considerable height and in particular equal to that of the ribs 7 in the current part of the sheet, and a rib 21 of lower height in the opposite edge 19.

Grâce à ces dispositions, le chevauchement ou recouvrement partiel des bords 18 et 19 respectivement de deux tôles 5 contiguës dans l'élément porteur 4, délimite au moyen des nervures 20 et 21 prévues dans ces bords et entre ces nervures du fait de leur hauteur différente, un logement fermé 22 dans lequel pénètre notamment la partie terminale 13 de la vis filetée ou du goujon 12.Thanks to these arrangements, the partial overlapping or overlapping of the edges 18 and 19 respectively of two contiguous sheets 5 in the carrier element 4, delimits by means of the ribs 20 and 21 provided in these edges and between these ribs due to their different height. , a closed housing 22 into which penetrates in particular the end portion 13 of the threaded screw or of the stud 12.

Ainsi et en raison de ce recouvrement et notamment du fait que le bord 19 d'une des tôles vient se loger sous le bord 18 de la tôle adjacente en même temps que les nervures 20 et 21 s'encastrent mutuellement l'une dans l'autre, l'intérieur du logement 22 devient totalement invisible de l'extérieur et en particulier de dessous le dispositif de couverture à l'intérieur du local qu'il surmonte. Notamment, les trous éventuels ménagés dans les tôles pour le passage des parties terminales 13 des vis 12, voire les traces de brûlures ou les éventuels dépôts de soudure dans la solution utilisant des goujons soudés contre la tôle 5, ne peuvent être aperçus dans le plafond du local, qui reste parfaitement net, en particulier si les tôles 5 ont subi avant montage un traitement de prélaquage ou de peinture approprié.Thus and because of this overlap and in particular of the fact that the edge 19 of one of the sheets comes to be housed under the edge 18 of the adjacent sheet at the same time as the ribs 20 and 21 are recessed one in the other, the interior of the housing 22 becomes completely invisible from the outside and in particular from below the covering device inside the room which it overcomes. In particular, the possible holes made in the sheets for the passage of the terminal parts 13 of the screws 12, or even the traces of burns or the possible weld deposits in the solution using studs welded against the sheet 5, cannot be seen in the ceiling. of the room, which remains perfectly clean, in particular if the sheets 5 have undergone before assembly an appropriate pre-painting or painting treatment.

Dans la variante illustrée sur la Figure 2, les moyens de liaison 11 entre une tôle 5 et le revêtement étanche externe 10 en emprisonnant les panneaux 9 de la couche isolante 8, sont réalisés par une tige 23 qui dans cette variante est filetée, non seulement dans sa partie terminale 24 qui pénètre dans le logement 22 sous le sommet de la nervure 20, mais également à son extrémité opposée 25 formant tête et qui traverse le revêtement 10. Dans cette variante, ces deux extrémités filetées 24 et 25 coopèrent respectivement avec un écrou 26 et un contre-écrou 27 pour l'extrémité 24 en bloquant la tige 23 vis-à-vis de la tôle 5, l'autre extrémité 25 coopérant avec un autre écrou 28 en appui sur la plaquette ou rondelle 17.In the variant illustrated in Figure 2, the connecting means 11 between a sheet 5 and the external waterproof coating 10 by trapping the panels 9 of the insulating layer 8, are produced by a rod 23 which in this variant is threaded, not only in its end portion 24 which penetrates into the housing 22 under the top of the rib 20, but also at its opposite end 25 forming a head and which passes through the covering 10. In this variant, these two threaded ends 24 and 25 cooperate respectively with a nut 26 and a lock nut 27 for the end 24 by blocking the rod 23 with respect to the sheet 5, the other end 25 cooperating with another nut 28 bearing on the plate or washer 17.

Les Figures 3, 4 et 5 illustrent diverses autres variantes utilisant en particulier des solutions différentes de l'une à l'autre en ce qui concerne le revêtement étanche 10 disposé vers l'extérieur du dispositif de couverture.Figures 3, 4 and 5 illustrate various other variants using in particular different solutions from one to the other with regard to the waterproof coating 10 disposed towards the outside of the covering device.

Dans l'exemple de la Figure 3, ce revêtement est formé d'une première couche 29 qui, au droit des emplacements des moyens de liaison 11, est percée par les goujons ou tiges filetées correspondants, cette couche, en matériau bitumineux, étant elle-même doublée par une seconde couche analogue, qui recouvre les éléments ou moyens de fixation, quel que soit le mode de réalisation envisagé pour ces derniers.In the example of Figure 3, this coating is formed of a first layer 29 which, in line with the locations of the connecting means 11, is pierced by the corresponding studs or threaded rods, this layer, made of bituminous material, being it - even doubled by a second analogous layer, which covers the elements or fixing means, whatever the embodiment envisaged for the latter.

Sur la Figure 4, le revêtement étanche 10 comporte une seule couche 31 analogue à la première couche 29 de l'exemple précédent, les têtes ou écrous terminaux des goujons ou tiges des moyens de liaison 11 étant recouverts de portions ou pièces 32 de dimensions appropriées et de même nature, soudées ou collées par leur pourtour sur la couche 31.In Figure 4, the waterproof coating 10 comprises a single layer 31 similar to the first layer 29 of the previous example, the heads or terminal nuts of the studs or rods of the connecting means 11 being covered with portions or pieces 32 of appropriate dimensions and of the same nature, welded or glued by their periphery to the layer 31.

Enfin, dans la variante selon la Figure 5, le revêtement externe 10 est formé de feuilles ou bandes successives 33, dont l'un des bords 34 s'applique contre la couche isolante 8 et est percé par les moyens de liaison 11 aux endroits où ceux-ci sont implantés, l'autre bord 35 de la feuille voisine venant chevaucher ce bord 34 de la feuille en recouvrant la tête ou extrémité terminale du moyen de liaison correspondant.Finally, in the variant according to FIG. 5, the external covering 10 is formed from successive sheets or strips 33, one of the edges 34 of which presses against the insulating layer 8 and is pierced by the connecting means 11 at the places where these are implanted, the other edge 35 of the neighboring sheet overlapping this edge 34 of the sheet by covering the head or terminal end of the corresponding connecting means.

On réalise ainsi un dispositif de couverture étanche pour toiture ou analogue de conception simple et qui permet d'assurer une fixation sûre et efficace de l'élément porteur et du revêtement étanche externe à travers la couche isolante, sans que les perçages des tôles qui constituent cet élément porteur ou les traces de soudure effectuées sur celles-ci, soient visibles de l'extérieur et en particulier par le dessous du dispositif, en évitant qu'il soit nécessaire de monter sous celui-ci une cloison complémentaire formant faux plafond.A waterproof covering device for roofing or the like is thus produced, of simple design and which makes it possible to ensure safe and effective fixing of the support element and of the external waterproof covering through the insulating layer, without the holes in the sheets which constitute this load-bearing element or the traces of welding carried out on them, are visible from the outside and in particular from below the device, avoiding the need to mount an additional partition forming a false ceiling under it.

Les panneaux constituant la couche isolante peuvent présenter des dimensions quelconques, le cas échéant voisines de celles des tôles en étant juxtaposés ou décalés par rapport aux bords de celles-ci. De même, l'épaisseur de ces panneaux peut être adaptée en fonction des circonstances d'utilisation de la couverture, la longueur des goujons ou tiges constituant les moyens de liaison étant adaptée à chaque cas particulier.The panels constituting the insulating layer may have any dimensions, if necessary close to those of the sheets by being juxtaposed or offset with respect to the edges thereof. Similarly, the thickness of these panels can be adapted according to the circumstances of use of the cover, the length of the studs or rods constituting the connecting means being adapted to each particular case.

Dans tous les cas, les hauteurs des nervures, respectivement d'un côté et de l'autre des tôles, qui s'encastrent mutuellement d'une tôle à l'autre pour délimiter les logements fermés, sont choisies de telle sorte que leur différence corresponde approximativement à l'encombrement que représente l'extrémité terminale dépassante des moyens de liaison et s'il y a lieu des écrous ou autres organes de blocage qui coopèrent avec ses extrémités.In all cases, the heights of the ribs, respectively on one side and on the other of the sheets, which mutually interlock from one sheet to the other to delimit the closed housings, are chosen so that their difference corresponds approximately to the size represented by the protruding terminal end of the connecting means and, where appropriate, nuts or other blocking members which cooperate with its ends.

Enfin, il va de soi que la répartition des moyens de liaison à travers l'élément porteur peut varier d'une réalisation à l'autre selon l'importance des efforts auxquels la structure risque d'être soumise.Finally, it goes without saying that the distribution of the connecting means through the carrier element can vary from one embodiment to another depending on the importance of the forces to which the structure is likely to be subjected.

Dans ces conditions, il doit être entendu que l'invention ne se limite pas à l'exemple de réalisation plus spécialement décrit ci-dessus en référence aux dessins annexés ; elle en embrasse au contraire toutes les variantes. Notamment, on pourrait prévoir que les tôles de l'élément porteur soient planes en partie courante et ne comportent des nervures que sur leurs bords pour réaliser les logements fermés cachant les extrémités dépassantes ou soudées des goujons de fixation.Under these conditions, it should be understood that the invention is not limited to the embodiment more specifically described above with reference to the accompanying drawings; on the contrary, it embraces all its variants. In particular, provision could be made for the sheets of the carrier element to be planar in the main part and to have ribs only at their edges to produce the closed housings hiding the protruding or welded ends of the fixing studs.

Claims (6)

1 - Dispositif de couverture étanche pour toiture ou analogue, comportant un élément porteur (4) constitué d'un ensemble de tôles métalliques contiguës (5), une couche isolante (8) appliquée contre la face externe de l'élément porteur, de préférence formée par la juxtaposition de panneaux isolants (9) reposant sur les tôles et un revêtement extérieur d'étanchéité (10), disposé contre la couche isolante, ainsi que des moyens de liaison mécaniques (11) prenant appui sur le revêtement extérieur ou sur la couche isolante, et traversant celle-ci et le cas échéant la tôle en regard de l'élément porteur, caractérisé en ce que les tôles contiguës (5) dudit élément porteur (4) comportent des bords (18, 19) qui se superposent mutuellement de l'une à l'autre dans une zone de recouvrement marginale, ces tôles comportant au moins dans ces bords des nervures (20, 21) dont les hauteurs sont différentes, respectivement dans le bord d'une première tôle et dans le bord adjacent d'une seconde tôle recouverte par la première, de manière à délimiter entre ces nervures encastrées l'une dans l'autre dans ladite zone, un logement fermé (22) dans lequel s'étend la partie terminale (13, 24) des moyens de liaison après traversée de la première tôle et à laquelle est peut être éventuellement associé un organe de blocage et d'immobilisation (26), les deux bords (18, 19) d'une tôle (5) quelconque de l'élément porteur (4) comportant, pour l'un une nervure (20) de plus grande hauteur et pour l'autre, à l'opposé du premier, une nervure (21) de plus faible hauteur. 1 - Waterproof cover device for roofing or the like, comprising a support element (4) consisting of a set of contiguous metal sheets (5), an insulating layer (8) applied against the external face of the support element, preferably formed by the juxtaposition of insulating panels (9) resting on the sheets and an outer sealing coating (10), disposed against the insulating layer, as well as mechanical connecting means (11) bearing on the outer coating or on the insulating layer, and passing through this and, where appropriate, the sheet facing the carrier element, characterized in that the contiguous sheets (5) of said carrier element (4) have edges (18, 19) which overlap each other from one to the other in a marginal overlap zone, these sheets comprising at least in these edges ribs (20, 21) whose heights are different, respectively in the edge of a first sheet and in the adjacent edge of a second sheet covered by the first, so as to delimit between these ribs embedded one inside the other in said zone, a closed housing (22) in which extends the terminal part (13, 24) connecting means after crossing the first sheet and to which can possibly be associated a locking and immobilizing member (26), the two edges (18, 19) of any sheet (5) of the element carrier (4) comprising, for one a rib (20) of greater height and for the other, opposite the first, a rib (21) of lower height. 2 - Dispositif selon la revendication 1, caractérisé en ce que les moyens de liaison mécaniques (11) sont constitués par une vis, un rivet, un goujon ou équivalent (12, 23), comportant une extrémité (16) et une rondelle d'appui (17) contre la surface extérieure du revêtement étanche et une partie terminale (13, 24), filetée (14), soudée à la tôle ou la traversant, en étant bloquée dans le logement fermé (22) délimité entre les nervures (20, 21) des bords (18, 19) de deux tôles contiguës. 2 - Device according to claim 1, characterized in that the mechanical connection means (11) consist of a screw, a rivet, a stud or equivalent (12, 23), comprising an end (16) and a washer support (17) against the outer surface of the waterproof covering and a end part (13, 24), threaded (14), welded to the sheet or passing through it, being locked in the closed housing (22) delimited between the ribs (20, 21) of the edges (18, 19) of two sheets contiguous. 3 - Dispositif selon la revendication 2, caractérisé en ce que l'extrémité (16) du goujon est également filetée et coopère avec un autre écrou (28) de blocage et d'immobilisation. 3 - Device according to claim 2, characterized in that the end (16) of the stud is also threaded and cooperates with another nut (28) for locking and immobilization. 4 - Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la différence des hauteurs des nervures (20, 21) des bords (18, 19) des tôles contiguës (5) dans la zone de recouvrement marginale de celles-ci est au moins égale à la longueur de la partie terminale (13,24) des moyens de liaison (11) et de l'organe de blocage et d'immobilisation associé. 4 - Device according to any one of claims 1 to 3, characterized in that the difference in the heights of the ribs (20, 21) of the edges (18, 19) of the adjoining sheets (5) in the zone of marginal overlap of those -This is at least equal to the length of the terminal part (13,24) of the connecting means (11) and of the associated blocking and immobilizing member. 5 - Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le revêtement étanche (10) est réalisé au moyen d'une feuille unique (31) ou de plusieurs feuilles superposées (29, 30). 5 - Device according to any one of claims 1 to 4, characterized in that the waterproof coating (10) is produced by means of a single sheet (31) or of several superimposed sheets (29, 30). 6 - Dispositif selon la revendication 5, caractérisé en ce que les feuilles du revêtement forment des lés successifs se recouvrant mutuellement d'un lé à l'autre, au droit des moyens de liaison (11). 6 - Device according to claim 5, characterized in that the sheets of the coating form successive strips overlapping each other from one strip to another, in line with the connecting means (11).
EP93400104A 1992-01-24 1993-01-18 Watertight roof covering device Expired - Lifetime EP0553012B1 (en)

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FR9200777A FR2686635B1 (en) 1992-01-24 1992-01-24 WATERPROOF COVERING DEVICE FOR ROOF OR THE LIKE.
FR9200777 1992-01-24

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EP0553012A1 true EP0553012A1 (en) 1993-07-28
EP0553012B1 EP0553012B1 (en) 1996-07-17

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AT (1) ATE140505T1 (en)
CA (1) CA2087685A1 (en)
DE (2) DE69303627T2 (en)
ES (1) ES2042432T3 (en)
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FR (1) FR2686635B1 (en)
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Publication number Priority date Publication date Assignee Title
ES2114424A1 (en) * 1993-12-15 1998-05-16 Smac Acieroid Supports for decorative, non-watertight roofing system
FR2732060A1 (en) * 1995-03-24 1996-09-27 Haironville Sa Building wall containing thermal and acoustic insulation
EP0767283A1 (en) * 1995-10-03 1997-04-09 Isover Saint-Gobain Watertight roof covering
CN101831960A (en) * 2010-06-14 2010-09-15 河南天丰节能板材有限公司 Composite plate and roof plate using same
WO2012153246A1 (en) * 2011-05-10 2012-11-15 Icopal Sas Device for supporting an over-roof, and method for manufacturing an over-roof support without drilling
EP2724088B1 (en) * 2011-06-23 2016-10-26 ArcelorMittal Panel, assembly of panels and associated roofing

Also Published As

Publication number Publication date
FI930274A0 (en) 1993-01-22
DE553012T1 (en) 1993-11-04
EP0553012B1 (en) 1996-07-17
ATE140505T1 (en) 1996-08-15
GR930300096T1 (en) 1993-09-30
ES2042432T3 (en) 1996-10-16
FR2686635A1 (en) 1993-07-30
FR2686635B1 (en) 1995-04-28
FI930274A (en) 1993-07-25
DE69303627T2 (en) 1996-12-05
NO930087D0 (en) 1993-01-11
US5311716A (en) 1994-05-17
CA2087685A1 (en) 1993-07-25
DE69303627D1 (en) 1996-08-22
ES2042432T1 (en) 1993-12-16
NO930087L (en) 1993-07-26

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