EP0424188B1 - Procédé de raccordement à l'angle de deux plaques ou feuilles, pièce de raccord pour sa mise en oeuvre et couverture de toiture réalisée selon ce procédé - Google Patents

Procédé de raccordement à l'angle de deux plaques ou feuilles, pièce de raccord pour sa mise en oeuvre et couverture de toiture réalisée selon ce procédé Download PDF

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Publication number
EP0424188B1
EP0424188B1 EP90402494A EP90402494A EP0424188B1 EP 0424188 B1 EP0424188 B1 EP 0424188B1 EP 90402494 A EP90402494 A EP 90402494A EP 90402494 A EP90402494 A EP 90402494A EP 0424188 B1 EP0424188 B1 EP 0424188B1
Authority
EP
European Patent Office
Prior art keywords
connecting part
branch
plate
sheets
part according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90402494A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0424188A1 (fr
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
Union Miniere NV 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 Union Miniere NV SA filed Critical Union Miniere NV SA
Priority to AT9090402494T priority Critical patent/ATE105361T1/de
Publication of EP0424188A1 publication Critical patent/EP0424188A1/fr
Application granted granted Critical
Publication of EP0424188B1 publication Critical patent/EP0424188B1/fr
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, the first branch having a plate shape and the second branch, disposed at the lower part of said plate, forming a nose whose cross section is in the form of U open down.
  • a connecting piece is used in particular in metal covering to cover the connection with two juxtaposed cover plates or sheets which have a fold directed upwards.
  • the invention also relates to the method of connection to 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.
  • British patent GB-A-1 291 725 which describes a system of connection at right angles to corrugated sheets using floor / wall T-joints.
  • central, generally triangular in shape on a vertical sheet may come to cover a corrugation with a trough section, formed on a horizontal sheet, but there are no specific provisions on this folded part to improve the sealing against projections or the adaptation to expansions and shrinkages.
  • 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 interior 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 angle 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 fixing while allowing water to be repelled from the connection between the vertical folds.
  • the connecting piece according to the invention comprises a rim forming a lip situated at the lower front part of the plate and which surrounds at least the upper part of the root or of the start of the second branch, projecting by relative to the plate of the first branch, to constitute an expansion joint and / or deflection surfaces of the water projections.
  • 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 base plates of the two sheets are joined together by their adjacent edges forming a longitudinal edge and the upwardly folded edge of the adjacent plates which form the protruding edge is extended on the vertical folds over a length substantially equal to the height of the protruding rim and detached transversely along a cutting line and is folded into a "handkerchief corner" behind the corresponding vertical fold, leaving no possibility of lateral leakage, and the adjacent edges of the vertical folds are folded forward each according a direction opposite to that of the other to form wings.
  • the method of connecting a set of two sheets of sheet metal using a connecting piece consists in making the connection by inserting each of the two wings formed by folding in opposite directions, in the corresponding grooves of the piece of connection by sliding the connection piece down until the U-shaped bottom of the second branch forming a nose rests on the longitudinal edge of assembly of the base plates.
  • the roof covering according to the invention consists of adjacent sheets of sheet metal which are connected together in pairs using connecting pieces.
  • FIG. 1 shows, at its lower part, two sheets or cover elements each consisting of a base plate 1, the horizontal or slightly inclined arrangement on a roof support not shown and 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 assembled here by their adjacent folded edge forming a protruding longitudinal edge 3 common to the two plates 1, la.
  • 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 the a laterally sealed container for the collection of bad weather.
  • the folded up edge of the adjacent plates which form the protruding rim 3 is extended on 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 rim 3, beyond the corners of tissue 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 to receive the wing 6 and the wing 6a respectively.
  • the connecting piece 7 which could be made of any material resistant to prolonged exposure to the atmospheric atmosphere, for example 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 backwards the wings 13 and 14 marked on the blank 12 and thus constitute grooves open laterally as well as 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, located 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 flange 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 flange protruding 3 and the vertical folds 2 and 2a, or 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 vertical 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 is not likely to be torn off by the wind because it hangs 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 the 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 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 can take a substantially rectilinear or slightly arcuate shape which covers only the upper part of the root of the second branch 9, the sheet then flaring 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.

Landscapes

  • 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)
EP90402494A 1989-10-17 1990-09-11 Procédé de raccordement à l'angle de deux plaques ou feuilles, pièce de raccord pour sa mise en oeuvre et couverture de toiture réalisée selon ce procédé Expired - Lifetime EP0424188B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT9090402494T ATE105361T1 (de) 1989-10-17 1990-09-11 Verfahren zur verbindung von zwei platten oder folien unter einer ecke, verbindungselement zu seiner anwendung und dacheindeckung mit solchem verfahren hergestellt.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8913526 1989-10-17
FR8913526A FR2653147B1 (fr) 1989-10-17 1989-10-17 Procede de raccordement a l'angle de deux plaques ou feuilles, piece de raccord pour sa mise en óoeuvre et couverture de toiture realisee selon ce procede.

Publications (2)

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

Family

ID=9386459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402494A Expired - Lifetime EP0424188B1 (fr) 1989-10-17 1990-09-11 Procédé de raccordement à l'angle de deux plaques ou feuilles, pièce de raccord pour sa mise en oeuvre et couverture de toiture réalisée selon ce procédé

Country Status (6)

Country Link
EP (1) EP0424188B1 (es)
AT (1) ATE105361T1 (es)
DE (1) DE69008660T2 (es)
DK (1) DK0424188T3 (es)
ES (1) ES2025530T3 (es)
FR (1) FR2653147B1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2986811B1 (fr) * 2012-02-13 2014-10-24 Rheinzink France Coulisseau de tete pour couverture a joint debout

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR60424E (fr) * 1950-06-29 1954-11-02 Asturienne Mines Comp Royale Couverture en zinc préfabriquée pour bâtiments
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

Also Published As

Publication number Publication date
FR2653147B1 (fr) 1993-11-26
ATE105361T1 (de) 1994-05-15
DE69008660T2 (de) 1994-08-25
DK0424188T3 (da) 1994-06-06
ES2025530T1 (es) 1992-04-01
DE69008660D1 (de) 1994-06-09
ES2025530T3 (es) 1994-07-01
EP0424188A1 (fr) 1991-04-24
FR2653147A1 (fr) 1991-04-19

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