EP0424188A1 - Method for connecting two angled plates or sheets, connecting piece as used in roofing realised according to this method - Google Patents

Method for connecting two angled plates or sheets, connecting piece as used in roofing realised according to this method Download PDF

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Publication number
EP0424188A1
EP0424188A1 EP90402494A EP90402494A EP0424188A1 EP 0424188 A1 EP0424188 A1 EP 0424188A1 EP 90402494 A EP90402494 A EP 90402494A EP 90402494 A EP90402494 A EP 90402494A EP 0424188 A1 EP0424188 A1 EP 0424188A1
Authority
EP
European Patent Office
Prior art keywords
connecting piece
branch
plate
piece according
grooves
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
EP90402494A
Other languages
German (de)
French (fr)
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EP0424188B1 (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.)
Umicore NV SA
Original Assignee
Vieille Montagne France Sa "les Mercuriales"
Union Miniere NV SA
VIEILLE MONTAGNE FRANCE SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vieille Montagne France Sa "les Mercuriales", Union Miniere NV SA, VIEILLE MONTAGNE FRANCE SA filed Critical Vieille Montagne France Sa "les Mercuriales"
Priority to AT9090402494T priority Critical patent/ATE105361T1/en
Publication of EP0424188A1 publication Critical patent/EP0424188A1/en
Application granted granted Critical
Publication of EP0424188B1 publication Critical patent/EP0424188B1/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
    • E04D3/364—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by folding of the edges
    • 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
    • E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
    • E04D13/151—Expansion joints for roofs
    • 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
    • E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips

Definitions

  • the present invention relates to a connecting piece with two branches, substantially perpendicular to each other, used in particular in metal cover to cover the connection of two juxtaposed cover plates or sheets and which have a fold directed upwards.
  • the invention also relates to the method of connecting the interior angle of two sheets or sheets of sheet metal using such connecting pieces and to the roof covering produced by this method and using these connecting pieces to connect two sheets of sheet metal.
  • connection pieces sometimes called "head stirrup" in terms of cover come to cover, in the interior corner, the weatherproof connection formed between the flat part of two plates or sheets as well as the junction between the two parts of vertical fold juxtaposed, so as to avoid the penetration of water projections due to bad weather.
  • connection of a flat or slightly inclined roofing surface with a very inclined or even vertical roofing surface always constitutes a difficult area to seal against splashing water, in the event of heavy rain or heavy wind.
  • Such connections called by roofing professionals "head connections”, exist in particular around chimneys and are protected by a part with two perpendicular plates which covers both the longitudinal connection joint of the two flat or slightly inclined parts. juxtaposed base plates and the junction between the two vertical fold parts juxtaposed. Connections of this type must be hung very firmly on the roof, which undergoes, in the angle, particular stresses due to the wind, and also as a result of the deformation in time of the angle connection.
  • connection pieces sometimes concentrate rain or snow on their inside corner, which eventually bypasses them and crosses the connection.
  • the object of the present invention is precisely to propose a connection piece and a method of connection at the corner of two roofing sheets with vertical folds which mechanically reinforce the connection effectively and do not require soldering tabs on the sides of the cover for their fixing while allowing to repel water splashes away from the connection between the vertical folds.
  • the connecting piece according to the invention comprises a first branch in the form of a plate, while the second branch disposed at the lower part of the plate is in the form of a nose, the cross section of which has a U-shape open the bottom, and an arched lip-shaped rim located at the lower front of the plate surrounds at least the upper part of the root of the second branch.
  • the rear face of the plate of the first branch is provided on at least part of its length with grooves or hooks.
  • the grooves or hooks are generally formed by folding back the longitudinal edge of the plate and are arranged only over part of the length of the first branch so as to be substantially interrupted at the starting level of the lip. formed on the front face. At least the lower ends of the grooves are open and the lower part of the plate has at the rear support legs arranged in the extension of the longitudinal edges forming the grooves.
  • the connecting piece is advantageously formed in one piece from a sheet metal blank by folding, the lip being formed by folding on itself a central part with two faces of the blank.
  • the sheets of sheet metal capable of being connected using the connecting piece are each formed of two perpendicular elements obtained from a single blank, namely a base plate and a vertical fold, the two base plates being joined together by their adjacent edges forming a longitudinal edge.
  • the method of joining sheet metal sheets using the connecting pieces consists in making the connection by inserting each of the wings, formed by folding in opposite directions, in the corresponding grooves of the connecting piece and sliding the piece connection downwards until the U-shaped bottom of the second nose-shaped branch rests on the longitudinal assembly flange of the plates.
  • the roof covering according to the invention consists of adjacent sheet metal sheets which are connected together using the connecting pieces.
  • FIG. 1 There is shown in FIG. 1, at its lower part, two sheets or cover elements each consisting of a base plate 1, arranged horizontally or slightly inclined on a roof support not shown and with a vertical fold 2, 2a folded upwards at an alpha angle, most often close to 90 °.
  • the vertical fold is intended to be applied to a vertical or very inclined wall such as a wall or a chimney stack.
  • the two juxtaposed base plates are here assembled by their adjacent folded edge forming a protruding longitudinal edge 3 common to the two plates 1, 1a.
  • the base plates can also be assembled together by a cleat assembly as shown in Figure 4 and which will be described later.
  • the vertical folds 2 and 2a are separated while forming with their corresponding base plates 1 and 1a a laterally sealed container for the collection of bad weather.
  • the upwardly folded edge of the adjacent plates which form the protruding rim 3 is extended over the vertical folds 2 and 2a over a length substantially equal to the height of the protruding rim 3 and is detached transversely. along a section line 4, 4a.
  • the extension of the edge 3 can thus be folded into a "handkerchief corner" 5, 5a behind the corresponding vertical fold, leaving no possibility of lateral leakage.
  • Each of the vertical folds 2 and 2a is provided, on the vertical edge of its front face, with a wing 6, 6a formed by folding forward, in opposite directions for the two adjacent edges of the folds 2, 2a of the extension of the rim 3 beyond the corners of the handkerchief 5, 5a which are folded back.
  • the wings 6, 6a are intended to cooperate, according to the invention, with a connecting piece 7 consisting of two branches 8 and 9 substantially perpendicular to each other.
  • the first branch 8 is plate-shaped and has on at least part of its length two parallel longitudinal grooves 10 and 11 intended respectively to receive the wing 6 and the wing 6a.
  • the connecting piece 7 which could be made of any material resistant to prolonged exposure to the atmospheric atmosphere, for example of moldable plastic such as polyethylene, is here made of folded sheet metal whose blank 12 is shown before folding to Figure 3.
  • the grooves 10 and 11 are formed by folding backward the wings 13 and 14 marked on the blank 12 and thus constitute grooves open laterally and at each of their ends for the entrance of the wing corresponding 6, 6a.
  • the second branch 9 is connected at the end to the plate 8 of the first branch by means of a lip-shaped flange 16 situated at the lower part of the plate 8 and which surrounds the root or the start of the branch 9
  • the rim 16 is formed by folding in on itself a central part with two faces 17 and 18 of the blank 12, this folding being produced at the same time as it is formed, by pinching two elongated faces 19 and 20, the U-shaped nose of the second branch 9 forming an upper saddle 21.
  • the faces 17 and 18 of the rim 16 form on each side of the openings 22 and 23 which can either be left in place to better cover the connection zone between the protruding rim 3 and the vertical folds 2 and 2a, either be folded backwards to form legs intended to come to bear on the birth of the corresponding vertical fold, such a folded tab 23 being shown in FIG. 4.
  • FIG. 1 The installation of the connecting piece 7 on the connection between the two adjacent sheet metal sheets is shown in FIG. 1.
  • the connecting piece 7 arranged with its second branch 9 oriented downwards envelopes, by its wings 13 and 14, the wings 6 and 6 have vertical folds which are thus housed in the grooves 10 and 11.
  • the downward sliding of the connecting piece continues along the wings 6 and 6a until the faces 19 and 20 of the second branch 9 surround the protruding rim 3, the bottom 24 of the upper saddle 21 bearing on the upper edge 25 of the rim 3 and the tabs 22 and 23, if any, folded over behind the rim 16 coming to bear on the zones of the front face of the folds 2 and 2a which are situated at the level of the "tissue corners" 5 and 5a.
  • the connecting piece 7 has a high rigidity due to the shape of the protruding rim 16 and it connects the folds 2 and 2a together while presenting deflection surfaces of the water projections which are addressed in the direction of the connection of these two folds. Without having to provide welded tabs on the two adjacent sheets of sheet metal, the connecting piece does not risk being torn off by the wind because it hooks transversely at its upper part on the wings 6 and 6a and at its lower part on the protruding edge 3 very resistant because it is formed of several folded sheets. Thanks to these curved and folded forms constituting an expansion joint, the behavior of the connecting piece 7 in the event of large temperature differences is significantly improved.
  • FIG. 4 shows the adaptation of the connection according to the invention in the case where the base plates 1 and 1a of the roof are connected, at their adjacent edges 26 and 27 raised to form tubs, by a wooden batten 28 with trapezoidal section, as realized on most old zinc roofing.
  • the cleat 28 is covered with a cover profile 29 with a trough or U-shaped section on which the second branch 9 of the connecting piece is applied.
  • the second branch 9 has a trough section corresponding to that of the cover profile 29 in order to ensure good recovery and the connecting piece 7 protects from splashing water the connection at the end of the sheets of sheet metal to the cleat 28, while by being retained laterally by this cleat.
  • the wings 13 and 14 can be omitted, the plate 8 being fixed on the vertical folds 2 and 2a by any suitable means such as nailing, gluing, legs, hooks etc.
  • the lip 16 may lose a substantially rectilinear or slightly arcuate shape which covers only the upper part of the root of the second branch 9, the sheet then widening on the edges at a distance from the connection.
  • the second branch 9, with a trough section as shown in FIG. 4 can be fixed by lugs or hooks or by gluing to the cover profile 29 in order to improve the anchoring of the connecting piece 7 on the connection.

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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)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Tents Or Canopies (AREA)

Abstract

The connecting piece for implementing the method has two branches which are substantially perpendicular to each other. The plate-shaped first branch 8 is provided at the rear with two parallel longitudinal grooves 10, 11 and the second branch 9, of U-shaped cross-section 15, is connected to the end of the first branch 8 via a lip-shaped border 16 surrounding the root of the second branch. Application to the protection of roofing connections for a roof made from sheet metal, for example zinc, comprising vertical folds. <IMAGE>

Description

La présente invention concerne une pièce de raccord à deux branches, sensiblement perpendiculaires entre elles, utilisée notamment en couverture métallique pour recouvrir le raccordement de deux plaques ou feuilles de couverture juxta­posées et qui présentent un pli dirigé vers le haut. L'inven­tion se rapporte également au procédé de raccordement à l'an­gle intérieur de deux plaques ou feuilles de tôle en utilisant de telles pièces de raccord et à la couverture de toiture réalisée selon ce procédé et utilisant ces pièces de raccord pour raccorder deux feuilles de tôle.The present invention relates to a connecting piece with two branches, substantially perpendicular to each other, used in particular in metal cover to cover the connection of two juxtaposed cover plates or sheets and which have a fold directed upwards. The invention also relates to the method of connecting the interior angle of two sheets or sheets of sheet metal using such connecting pieces and to the roof covering produced by this method and using these connecting pieces to connect two sheets of sheet metal.

Des pièces de raccord dénommées parfois "étrier de tête" en termes de couverture viennent recouvrir, dans l'angle inté­rieur, le raccord étanche aux intempéries ménagé entre la partie plane de deux plaques ou feuilles ainsi que la jonction entre les deux parties de pli vertical juxtaposées, de manière à éviter la pénétration des projections d'eau dues aux intem­péries.Connection pieces sometimes called "head stirrup" in terms of cover come to cover, in the interior corner, the weatherproof connection formed between the flat part of two plates or sheets as well as the junction between the two parts of vertical fold juxtaposed, so as to avoid the penetration of water projections due to bad weather.

Le raccordement d'une surface de couverture de toiture plane ou peu inclinée avec une surface de toiture très incli­née ou même verticale, constitue toujours une zone difficile à étancher à l'encontre des projections d'eau, en cas de pluie violente ou de fort vent. De tels raccordements, dénommés par les professionnels de la toiture "raccordements de tête", existent notamment autour des cheminées et sont protégés par une pièce à deux plaques perpendiculaires qui vient recouvrir à la fois le joint longitudinal de liaison des deux parties planes ou peu inclinées des plaques de base juxtaposées et la jonction entre les deux parties de pli vertical juxtaposées. Les raccordements de ce type doivent être accrochés très fermement à la toiture qui subit, dans l'angle, des sollicita­tions particulières dues au vent, et également par suite de la déformation dans le temps du raccord en angle. L'accrochage ferme n'a pu jusqu'ici être réalisé qu'à l'aide de plusieurs pattes soudées, respectivement sur les plaques de base et sur les plis verticaux et rabattues sur la pièce de raccord, ce qui constitue une solution de fixation onéreuse et qui, dans certain cas, affaiblit les feuilles de couverture par risque de perçage ou de corrosion à la soudure. De plus, les pièces de raccord concentrent parfois sur leur angle intérieur la pluie ou la neige qui finissent par les contourner et tra­verser le raccordement.The connection of a flat or slightly inclined roofing surface with a very inclined or even vertical roofing surface always constitutes a difficult area to seal against splashing water, in the event of heavy rain or heavy wind. Such connections, called by roofing professionals "head connections", exist in particular around chimneys and are protected by a part with two perpendicular plates which covers both the longitudinal connection joint of the two flat or slightly inclined parts. juxtaposed base plates and the junction between the two vertical fold parts juxtaposed. Connections of this type must be hung very firmly on the roof, which undergoes, in the angle, particular stresses due to the wind, and also as a result of the deformation in time of the angle connection. Firm attachment has so far been possible only with the aid of several welded tabs, respectively on the base plates and on the vertical folds and folded down on the connecting piece, which constitutes a fixing solution. expensive and which, in certain cases, weakens the cover sheets by risk of drilling or corrosion in the weld. In addition, the connection pieces sometimes concentrate rain or snow on their inside corner, which eventually bypasses them and crosses the connection.

L'objet de la présente invention est précisément de proposer une pièce de raccord et un procédé de raccordement à l'angle de deux plaques de toiture à pli vertical qui renfor­cent mécaniquement le raccordement de façon effective et ne nécessitent pas de souder des pattes sur les pans de la cou­verture pour leur fixation tout en permettant de repousser les projections d'eau à distance du raccordement entre les plis verticaux.The object of the present invention is precisely to propose a connection piece and a method of connection at the corner of two roofing sheets with vertical folds which mechanically reinforce the connection effectively and do not require soldering tabs on the sides of the cover for their fixing while allowing to repel water splashes away from the connection between the vertical folds.

A cet effet, la pièce de raccord selon l'invention comporte une première branche en forme de plaque, tandis que la deuxième branche disposée à la partie inférieure de la plaque est en forme de nez dont la section transversale pré­sente une forme de U ouvert vers le bas, et un rebord en forme de lévre arquée et situé à la partie inférieure frontale de la plaque entoure au moins la partie supérieure de la racine de la deuxième branche.To this end, the connecting piece according to the invention comprises a first branch in the form of a plate, while the second branch disposed at the lower part of the plate is in the form of a nose, the cross section of which has a U-shape open the bottom, and an arched lip-shaped rim located at the lower front of the plate surrounds at least the upper part of the root of the second branch.

Selon un autre mode de réalisation, la face arrière de la plaque de la première branche est munie sur au moins une partie de sa longueur de rainures ou de crochets.According to another embodiment, the rear face of the plate of the first branch is provided on at least part of its length with grooves or hooks.

Les rainures ou crochets sont en général formées par repli du bord longitudinal de la plaque et ne sont disposées que sur une partie de la longueur de la première branche pour s'interrompre sensiblement au niveau de départ de la lévre formée sur la face frontale. Au moins les extrémités inférieu­res des rainures sont ouvertes et la partie inférieure de la plaque comporte à l'arrière des pattes d'appui disposées dans le prolongement des bords longitudinaux formant les rainures.The grooves or hooks are generally formed by folding back the longitudinal edge of the plate and are arranged only over part of the length of the first branch so as to be substantially interrupted at the starting level of the lip. formed on the front face. At least the lower ends of the grooves are open and the lower part of the plate has at the rear support legs arranged in the extension of the longitudinal edges forming the grooves.

La pièce de raccord est avantageusement formée monobloc à partir d'un flan de tôle par pliage, la lévre étant formée par repli sur elle-même d'une partie centrale à deux faces du flan.The connecting piece is advantageously formed in one piece from a sheet metal blank by folding, the lip being formed by folding on itself a central part with two faces of the blank.

Les feuilles de tôle susceptibles d'être raccordées à l'aide de la pièce de raccord sont formées chacune de deux éléments perpendiculaires obtenus à partir d'un seul flan, à savoir d'une plaque de base et d'un pli vertical, les deux plaques de base étant assemblées entre elles par leurs bords adjacents formant un rebord longitudinal.The sheets of sheet metal capable of being connected using the connecting piece are each formed of two perpendicular elements obtained from a single blank, namely a base plate and a vertical fold, the two base plates being joined together by their adjacent edges forming a longitudinal edge.

Le procédé de raccordement des feuilles de tôle à l'aide des pièces de raccord consiste à réaliser le raccordement par insertion de chacune des ailes, formées par repli selon des directions opposées, dans les rainures correspondantes de la pièce de raccord et à glisser la pièce de raccord vers le bas jusqu'à l'appui du fond en U de la deuxième branche en forme de nez sur le rebord longitudinal d'assemblage des plaques.The method of joining sheet metal sheets using the connecting pieces consists in making the connection by inserting each of the wings, formed by folding in opposite directions, in the corresponding grooves of the connecting piece and sliding the piece connection downwards until the U-shaped bottom of the second nose-shaped branch rests on the longitudinal assembly flange of the plates.

La couverture de toiture selon l'invention est consti­tuée de feuilles de tôle adjacentes qui sont raccordées entre elles à l'aide des pièces de raccord.The roof covering according to the invention consists of adjacent sheet metal sheets which are connected together using the connecting pieces.

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

  • - la figure 1 représente en perspective le raccordement selon l'invention entre deux feuilles de tôle juxtaposées, à l'instant de la mise en place de la pièce de raccord;
  • - la figure 2 représente, en vue arrière fragmentaire avec arrachements, les deux plis verticaux juxtaposés des feuilles de tôle à raccorder représentées à la figure 1;
  • - la figure 3 représente en plan et à plus grande échelle le flan de tôle de la pièce de raccord selon l'invention;
  • - la figure 4 représente un autre mode de réalisation de l'invention lorsque les deux plaques de base des tôles juxtaposées sont raccordées par un raccord à tasseau pour former des bacs collecteurs des intempéries.
Other objects, advantages and characteristics will appear on reading the description of various embodiments, given without limitation and with reference to the appended drawing in which:
  • - Figure 1 shows in perspective the connection according to the invention between two sheets of sheet metal juxtaposed, at the time of the establishment of the connecting piece;
  • - Figure 2 shows, in fragmentary rear view with cutaway, the two vertical folds juxtaposed sheet metal sheets to be connected shown in Figure 1;
  • - Figure 3 shows in plan and on a larger scale the sheet metal blank of the connecting piece according to the invention;
  • - Figure 4 shows another embodiment of the invention when the two base plates of the juxtaposed sheets are connected by a cleat connector to form weather-collecting bins.

On a représenté sur la figure 1, à sa partie inférieure, deux tôles ou éléments de couverture constituées chacune d'une plaque de base 1, la disposée horizontale ou peu inclinée sur un support de toiture non représenté et d'un pli vertical 2, 2a replié vers le haut selon un angle alpha, le plus souvent proche de 90°. Le pli vertical est destiné à venir s'appliquer sur une paroi verticale ou très inclinée telle qu'un mur ou une souche de cheminée. Les deux plaques de base juxtaposées sont ici assemblées par leur bord adjacent replié en formant un rebord longitudinal saillant 3 commun aux deux plaques 1, 1a. En variante, les plaques de base peuvent également être assemblées entre elles par un assemblage à tasseau tel que représenté à la figure 4 et qui sera décrit par la suite.There is shown in FIG. 1, at its lower part, two sheets or cover elements each consisting of a base plate 1, arranged horizontally or slightly inclined on a roof support not shown and with a vertical fold 2, 2a folded upwards at an alpha angle, most often close to 90 °. The vertical fold is intended to be applied to a vertical or very inclined wall such as a wall or a chimney stack. The two juxtaposed base plates are here assembled by their adjacent folded edge forming a protruding longitudinal edge 3 common to the two plates 1, 1a. Alternatively, the base plates can also be assembled together by a cleat assembly as shown in Figure 4 and which will be described later.

Les plis verticaux 2 et 2a sont séparés tout en formant avec leurs plaques de base correspondantes 1 et 1a un bac étanche latéralement pour la collecte des intempéries. Pour cela, comme représenté à la figure 2, le bord replié vers le haut des plaques adjacentes qui forment le rebord saillant 3 est prolongé sur les plis verticaux 2 et 2a sur une longueur sensiblement égale à la hauteur du rebord saillant 3 et est détaché transversalement selon une ligne de coupe 4, 4a. Le prolongement du bord 3 peut ainsi être replié en "coin de mouchoir" 5, 5a derrière le pli vertical correspondant en ne laissant aucune possibilité de fuite latérale. Chacun des plis verticaux 2 et 2a est muni, sur le bord vertical de sa face avant, d'une aile 6, 6a formée par repli vers l'avant, dans des directions opposées pour les deux bords adjacents des plis 2, 2a du prolongement du rebord 3 au-delà des coins de mouchoir 5, 5a qui sont eux repliés vers l'arrière.The vertical folds 2 and 2a are separated while forming with their corresponding base plates 1 and 1a a laterally sealed container for the collection of bad weather. For this, as shown in FIG. 2, the upwardly folded edge of the adjacent plates which form the protruding rim 3 is extended over the vertical folds 2 and 2a over a length substantially equal to the height of the protruding rim 3 and is detached transversely. along a section line 4, 4a. The extension of the edge 3 can thus be folded into a "handkerchief corner" 5, 5a behind the corresponding vertical fold, leaving no possibility of lateral leakage. Each of the vertical folds 2 and 2a is provided, on the vertical edge of its front face, with a wing 6, 6a formed by folding forward, in opposite directions for the two adjacent edges of the folds 2, 2a of the extension of the rim 3 beyond the corners of the handkerchief 5, 5a which are folded back.

Les ailes 6, 6a sont destinées à coopérer, selon l'in­vention, avec une pièce de raccord 7 constituée de deux bran­ches 8 et 9 sensiblement perpendiculaires entre elles. La première branche 8 est en forme de plaque et comporte sur au moins une partie de sa longueur deux rainures longitudinales parallèles 10 et 11 destinées respectivement à recevoir l'ai­le 6 et l'aile 6a. La pièce de raccord 7 qui pourrait être réalisée en un matériau quelconque résistant à une exposition prolongée à l'ambiance atmosphérique, par exemple en matière plastique moulable telle que du polyéthylène, est ici réalisée en tôle pliée dont le flan 12 est représenté avant pliage à la figure 3. Les rainures 10 et 11 sont formées par pliage vers l'arrière des ailes 13 et 14 marquées sur le flan 12 et cons­tituent ainsi des rainures ouvertes latéralement ainsi qu'à chacune de leurs extrémités pour l'entrée de l'aile corres­pondante 6, 6a.The wings 6, 6a are intended to cooperate, according to the invention, with a connecting piece 7 consisting of two branches 8 and 9 substantially perpendicular to each other. The first branch 8 is plate-shaped and has on at least part of its length two parallel longitudinal grooves 10 and 11 intended respectively to receive the wing 6 and the wing 6a. The connecting piece 7 which could be made of any material resistant to prolonged exposure to the atmospheric atmosphere, for example of moldable plastic such as polyethylene, is here made of folded sheet metal whose blank 12 is shown before folding to Figure 3. The grooves 10 and 11 are formed by folding backward the wings 13 and 14 marked on the blank 12 and thus constitute grooves open laterally and at each of their ends for the entrance of the wing corresponding 6, 6a.

La deuxième branche 9 disposée à la partie inférieure de la plaque 8, en position de montage de la pièce de raccord 7, forme un nez 15 à section transversale en U ouverte vers le bas. La deuxième branche 9 est raccordée en bout sur la pla­que 8 de la première branche par l'intermédiaire d'un re­bord 16 en forme de lévre situé à la partie inférieure de la plaque 8 et qui entoure la racine ou le départ de la branche 9. Le rebord 16 est formé par repli sur elle-même d'une partie centrale à deux faces 17 et 18 du flan 12, ce repli étant réalisé en même temps que l'on forme, par pincement de deux faces allongées 19 et 20, le nez en U de la deuxième branche 9 formant une selle supérieure 21. Les faces 17 et 18 du rebord 16 forment de chaque côté des épanouissements 22 et 23 qui peuvent soit être laissés en place pour mieux couvrir la zone de raccordement entre le rebord saillant 3 et les plis verticaux 2 et 2a, soit être repliés vers l'arrière pour former des pattes destinées à venir s'appuyer sur la naissance du pli vertical correspon­dant, une telle patte repliée 23 étant représentée à la fi­gure 4.The second branch 9 disposed at the lower part of the plate 8, in the mounting position of the connecting piece 7, forms a nose 15 with a U-shaped cross section open downwards. The second branch 9 is connected at the end to the plate 8 of the first branch by means of a lip-shaped flange 16 situated at the lower part of the plate 8 and which surrounds the root or the start of the branch 9 The rim 16 is formed by folding in on itself a central part with two faces 17 and 18 of the blank 12, this folding being produced at the same time as it is formed, by pinching two elongated faces 19 and 20, the U-shaped nose of the second branch 9 forming an upper saddle 21. The faces 17 and 18 of the rim 16 form on each side of the openings 22 and 23 which can either be left in place to better cover the connection zone between the protruding rim 3 and the vertical folds 2 and 2a, either be folded backwards to form legs intended to come to bear on the birth of the corresponding vertical fold, such a folded tab 23 being shown in FIG. 4.

La mise en place de la pièce de raccord 7 sur le raccor­dement entre les deux feuilles de tôle adjacentes est repré­sentée à la figure 1. La pièce de raccord 7 disposée avec sa deuxième branche 9 orientée vers le bas vient envelopper, par ses ailes 13 et 14, les ailes 6 et 6a des plis verticaux qui se logent ainsi dans les rainures 10 et 11. Le glissement vers le bas de la pièce de raccord se poursuit le long des ailes 6 et 6a jusqu'à ce que les faces 19 et 20 de la deuxième bran­che 9 entourent le rebord saillant 3, le fond 24 de la selle supérieure 21 venant en appui sur le bord supérieur 25 du rebord 3 et les pattes éventuelles 22 et 23 repliées derrière le rebord 16 venant s'appuyer sur les zones de la face avant des replis 2 et 2a qui sont situées au niveau des "coins de mouchoir" 5 et 5a.The installation of the connecting piece 7 on the connection between the two adjacent sheet metal sheets is shown in FIG. 1. The connecting piece 7 arranged with its second branch 9 oriented downwards envelopes, by its wings 13 and 14, the wings 6 and 6 have vertical folds which are thus housed in the grooves 10 and 11. The downward sliding of the connecting piece continues along the wings 6 and 6a until the faces 19 and 20 of the second branch 9 surround the protruding rim 3, the bottom 24 of the upper saddle 21 bearing on the upper edge 25 of the rim 3 and the tabs 22 and 23, if any, folded over behind the rim 16 coming to bear on the zones of the front face of the folds 2 and 2a which are situated at the level of the "tissue corners" 5 and 5a.

La pièce de raccord 7 présente une rigidité importante du fait de la forme du rebord 16 en saillie et elle relie entre eux les plis 2 et 2a tout en présentant des surfaces de déflexion des projections d'eau qui sont adressées en direction du raccordement de ces deux plis. Sans avoir à prévoir de pattes soudées sur les deux feuilles de tôle adjacentes, la pièce de raccord ne risque pas d'être arrachée par le vent car elle s'accroche transversalement à sa partie supérieure sur les ailes 6 et 6a et à sa partie inférieure sur le rebord saillant 3 très résistant car il est formé de plusieurs tôles repliées. Grâce à ces formes courbées et repliées constituant un joint de dilation, le comportement de la pièce de raccord 7 en cas de grands écarts de température est nettement amélioré.The connecting piece 7 has a high rigidity due to the shape of the protruding rim 16 and it connects the folds 2 and 2a together while presenting deflection surfaces of the water projections which are addressed in the direction of the connection of these two folds. Without having to provide welded tabs on the two adjacent sheets of sheet metal, the connecting piece does not risk being torn off by the wind because it hooks transversely at its upper part on the wings 6 and 6a and at its lower part on the protruding edge 3 very resistant because it is formed of several folded sheets. Thanks to these curved and folded forms constituting an expansion joint, the behavior of the connecting piece 7 in the event of large temperature differences is significantly improved.

On a représenté à la figure 4 l'adaptation du raccorde­ment selon l'invention au cas où les plaques de base 1 et 1a de la toiture sont reliées, à leurs bords adjacents 26 et 27 relevés pour former des bacs, par un tasseau de bois 28 à section trapézoïdale, comme réalisé sur la plupart des couver­tures anciennes en zinc. Le tasseau 28 est recouvert d'un profilé de couverture 29 à section en auge ou en U sur lequel vient s'appliquer la deuxième branche 9 de la pièce de rac­cord. La deuxième branche 9 présente une section en auge correspondant à celle du profilé de couverture 29 afin d'assu­rer un bon recouvrement et la pièce de raccord 7 protège des projections d'eau le raccordement en bout des feuilles de tôle sur le tasseau 28, tout en étant retenue latéralement par ce tasseau. Selon une variante simplifiée de l'invention, parti­culièrement applicable au cas de l'assemblage à tasseau repré­senté à la figure 4, les ailes 13 et 14 peuvent être suppri­mées, la plaque 8 étant fixée sur les plis verticaux 2 et 2a par tout moyen adéquat tel que clouage, collage, pattes, crochets etc. La lévre 16 peut perdre une forme sensiblement rectiligne ou faiblement arquée qui ne recouvre que la partie supérieure de la racine de la deuxième branche 9, la tôle s'évasant ensuite sur les bords à distance du raccordement. La deuxième branche 9, à section en auge comme représenté à la figure 4 peut être fixée par des pattes ou crochets ou par collage sur le profil de couverture 29 afin d'améliorer l'an­crage de la pièce de raccord 7 sur le raccordement.FIG. 4 shows the adaptation of the connection according to the invention in the case where the base plates 1 and 1a of the roof are connected, at their adjacent edges 26 and 27 raised to form tubs, by a wooden batten 28 with trapezoidal section, as realized on most old zinc roofing. The cleat 28 is covered with a cover profile 29 with a trough or U-shaped section on which the second branch 9 of the connecting piece is applied. The second branch 9 has a trough section corresponding to that of the cover profile 29 in order to ensure good recovery and the connecting piece 7 protects from splashing water the connection at the end of the sheets of sheet metal to the cleat 28, while by being retained laterally by this cleat. According to a simplified variant of the invention, particularly applicable to the case of the cleat assembly shown in Figure 4, the wings 13 and 14 can be omitted, the plate 8 being fixed on the vertical folds 2 and 2a by any suitable means such as nailing, gluing, legs, hooks etc. The lip 16 may lose a substantially rectilinear or slightly arcuate shape which covers only the upper part of the root of the second branch 9, the sheet then widening on the edges at a distance from the connection. The second branch 9, with a trough section as shown in FIG. 4, can be fixed by lugs or hooks or by gluing to the cover profile 29 in order to improve the anchoring of the connecting piece 7 on the connection.

Claims (11)

1.- Pièce de raccord à deux branches sensiblement per­pendiculaires entre elles, la première branche étant en forme de plaque (8), et la deuxième branche (9) disposée à la partie inférieure de ladite plaque (8) en forme de nez 15 dont la section transversale présente une forme de U ouvert vers le bas, caractérisé en ce qu'elle comporte un rebord en saillie (16), en forme de lèvre arquée situé à la partie inférieure frontale de la plaque (8) et qui entoure au moins la partie supérieure de la racine de la deuxième branche (9).1.- Connecting piece with two branches substantially perpendicular to each other, the first branch being in the form of a plate (8), and the second branch (9) disposed at the bottom of said plate (8) in the form of a nose 15 of which the cross section has a U shape open downwards, characterized in that it has a protruding rim (16), in the form of an arcuate lip situated at the lower front part of the plate (8) and which surrounds at least the upper part of the root of the second branch (9). 2.- Pièce de raccord selon la revendication 1, caractérisée en ce que la face arrière de la plaque (8) de la première branche est munie sur au moins une partie de sa longueur de rainures (10, 11) ou de crochets (13, 14).2.- connecting piece according to claim 1, characterized in that the rear face of the plate (8) of the first branch is provided on at least part of its length with grooves (10, 11) or hooks (13 , 14). 3.- Pièce de raccord selon la revendication 1, caracté­risée en ce que les rainures ou crochets sont formées par repli des bords longitudinaux (13, 14) de la plaque (8).3.- connecting piece according to claim 1, characterized in that the grooves or hooks are formed by folding the longitudinal edges (13, 14) of the plate (8). 4.- Pièce de raccord selon la revendication 2 ou 3, caractérisée en ce que les rainures ou crochets (10, 11) ne sont disposées que sur une partie de la longueur de la pre­mière branche (8) et s'interrompent sensiblement au niveau du départ de la lèvre (16) formée sur la face frontale.4.- connecting piece according to claim 2 or 3, characterized in that the grooves or hooks (10, 11) are arranged only over a part of the length of the first branch (8) and are substantially interrupted at from the start of the lip (16) formed on the front face. 5.- Pièce de raccord selon l'une quelconque des revendi­cations 2 à 4, caractérisée en ce que les extrémités infé­rieures des rainures (10, 11) sont ouvertes.5.- connecting piece according to any one of claims 2 to 4, characterized in that the lower ends of the grooves (10, 11) are open. 6.- Pièce de raccord selon l'une quelconque des revendi­cations 1 à 5, caractérisée en ce que la partie inférieure de la plaque (8) comporte à l'arrière des pattes d'appui (22, 23).6.- connecting piece according to any one of claims 1 to 5, characterized in that the lower part of the plate (8) has at the rear of the support legs (22, 23). 7.- Pièce de raccord selon l'une quelconque des revendi­cations 1 à 5, caractérisée en ce qu'elle est formée monobloc à partir d'un flan de tôle (12) par pliage.7.- connecting piece according to any one of claims 1 to 5, characterized in that it is formed in one piece from a sheet blank (12) by folding. 8.- Pièce de raccord selon la revendications 7, caracté­risée en ce que la lévre (16) est formée par repli sur elle-même d'une partie centrale à deux faces (17, 18) du flan (12).8.- connecting piece according to claim 7, characterized in that the lip (16) is formed by folding on itself a central part with two faces (17, 18) of the blank (12). 9.- Feuilles de tôle susceptibles d'être raccordées à l'aide de la pièce de raccord selon l'une quelconque des revendications 1 à 7 et formées chacune de deux éléments perpendiculaires obtenus à partir d'un seul flan, à savoir d'une plaque de base et d'un pli vertical, les deux plaques de base étant assemblées entre elles par leurs bords adjacents en formant un rebord longitudinal, caractérisées en ce que les bords adjacents des plis verticaux (2, 2a) sont repliés selon des directions opposées pour former des ailes (6, 6a).9. Sheet metal sheets capable of being connected using the connecting piece according to any one of claims 1 to 7 and each formed of two elements perpendiculars obtained from a single blank, namely a base plate and a vertical fold, the two base plates being joined together by their adjacent edges forming a longitudinal edge, characterized in that the edges adjacent vertical folds (2, 2a) are folded in opposite directions to form wings (6, 6a). 10.- Procédé de raccordement de feuilles de tôle selon la revendication 9 à l'aide de pièce de raccordement selon l'une quelconque des revendications 2 à 8, caractérisé en ce que l'on réalise le raccordement par insertion de chacune des ailes (6, 6a) formées par repli selon des directions opposées, dans les rainures correspondantes (10, 11) de la pièce de raccord en glissant la pièce de raccord (7) vers le bas jus­qu'à l'appui du fond (24) en U de la deuxième branche (9) en forme de nez sur le rebord longitudinal (3) d'assemblage des plaques de base (1, 1a).10.- A method of connecting sheet metal sheets according to claim 9 using a connecting piece according to any one of claims 2 to 8, characterized in that the connection is made by inserting each of the wings ( 6, 6a) formed by folding in opposite directions, in the corresponding grooves (10, 11) of the connecting piece by sliding the connecting piece (7) down until the bottom support (24) in U of the second branch (9) in the form of a nose on the longitudinal edge (3) for assembling the base plates (1, 1a). 11.- Couverture de toiture constituée de feuilles de tôle adjacentes, caractérisée en ce qu'elle comporte des pièces de raccord selon l'une quelconque des revendication 2 à 8, rac­cordant deux feuilles de tôle selon la revendication 9.11. Roof covering made up of adjacent sheet metal sheets, characterized in that it comprises connecting pieces according to any one of claims 2 to 8, connecting two sheet metal sheets according to claim 9.
EP90402494A 1989-10-17 1990-09-11 Method for connecting two angled plates or sheets, connecting piece as used in roofing realised according to this method Expired - Lifetime EP0424188B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT9090402494T ATE105361T1 (en) 1989-10-17 1990-09-11 METHOD OF JOINING TWO PANELS OR SHEET UNDER A CORNER, CONNECTING ELEMENT FOR ITS APPLICATION AND ROOFING MADE WITH SUCH METHOD.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8913526 1989-10-17
FR8913526A FR2653147B1 (en) 1989-10-17 1989-10-17 METHOD FOR CONNECTING THE ANGLE OF TWO SHEETS OR SHEETS, CONNECTING PIECE FOR IMPLEMENTING SAME AND ROOF COVERING MADE ACCORDING TO THIS METHOD.

Publications (2)

Publication Number Publication Date
EP0424188A1 true EP0424188A1 (en) 1991-04-24
EP0424188B1 EP0424188B1 (en) 1994-05-04

Family

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Application Number Title Priority Date Filing Date
EP90402494A Expired - Lifetime EP0424188B1 (en) 1989-10-17 1990-09-11 Method for connecting two angled plates or sheets, connecting piece as used in roofing realised according to this method

Country Status (6)

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EP (1) EP0424188B1 (en)
AT (1) ATE105361T1 (en)
DE (1) DE69008660T2 (en)
DK (1) DK0424188T3 (en)
ES (1) ES2025530T3 (en)
FR (1) FR2653147B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626481A1 (en) * 2012-02-13 2013-08-14 Rheinzink France Top clip for standing seam roof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR60424E (en) * 1950-06-29 1954-11-02 Asturienne Mines Comp Royale Prefabricated zinc roofing for buildings
US3213583A (en) * 1962-04-26 1965-10-26 Winski Jack Lock seam sheet metal panel
GB1291725A (en) * 1969-09-19 1972-10-04 Robert Edward Fawcett Improvements in or relating to fabrication in profiled sheet material
US4024681A (en) * 1976-06-17 1977-05-24 Tremco Incorporated Flashing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR60424E (en) * 1950-06-29 1954-11-02 Asturienne Mines Comp Royale Prefabricated zinc roofing for buildings
US3213583A (en) * 1962-04-26 1965-10-26 Winski Jack Lock seam sheet metal panel
GB1291725A (en) * 1969-09-19 1972-10-04 Robert Edward Fawcett Improvements in or relating to fabrication in profiled sheet material
US4024681A (en) * 1976-06-17 1977-05-24 Tremco Incorporated Flashing system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOUW, no. 3, 7 février 1981, pages 32-33, Baarn, NL; F.C.A. HAFERLAND: "Inplakken van dakrandprofielen is in het algemeen af te raden" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626481A1 (en) * 2012-02-13 2013-08-14 Rheinzink France Top clip for standing seam roof
FR2986811A1 (en) * 2012-02-13 2013-08-16 Rheinzink France HEAD SLIDER FOR COVER WITH JOINT STAND

Also Published As

Publication number Publication date
ATE105361T1 (en) 1994-05-15
DE69008660D1 (en) 1994-06-09
ES2025530T1 (en) 1992-04-01
FR2653147A1 (en) 1991-04-19
DK0424188T3 (en) 1994-06-06
FR2653147B1 (en) 1993-11-26
EP0424188B1 (en) 1994-05-04
ES2025530T3 (en) 1994-07-01
DE69008660T2 (en) 1994-08-25

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