EP0121120B1 - Façade covering with a sub-construction - Google Patents

Façade covering with a sub-construction Download PDF

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Publication number
EP0121120B1
EP0121120B1 EP84102272A EP84102272A EP0121120B1 EP 0121120 B1 EP0121120 B1 EP 0121120B1 EP 84102272 A EP84102272 A EP 84102272A EP 84102272 A EP84102272 A EP 84102272A EP 0121120 B1 EP0121120 B1 EP 0121120B1
Authority
EP
European Patent Office
Prior art keywords
vertical
flange
facade
sub
construction
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
Application number
EP84102272A
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German (de)
French (fr)
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EP0121120A3 (en
EP0121120A2 (en
Inventor
Hans Schmidlin
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Eltreva AG
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Eltreva AG
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Publication date
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Priority to AT84102272T priority Critical patent/ATE36184T1/en
Publication of EP0121120A2 publication Critical patent/EP0121120A2/en
Publication of EP0121120A3 publication Critical patent/EP0121120A3/en
Application granted granted Critical
Publication of EP0121120B1 publication Critical patent/EP0121120B1/en
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0803—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements
    • E04F13/081—Separate fastening elements with load-supporting elongated furring elements between wall and covering elements with additional fastening elements between furring elements and covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0511—Strips or bars, e.g. nailing strips

Definitions

  • the invention relates to a facade cladding with a substructure, consisting of sheet metal beveled on its vertical edges towards the substructure, which with its upper edge on bolts or the like.
  • hang which are defined in vertical profiles of the substructure, each sheet of metal has a Z-shaped double bend on its upper horizontal edge and a U-shaped double bend on its lower horizontal edge, and where two sheet metal plates lying vertically one above the other in the same facade plane have the free flange of Z-shaped double bow of the lower metal sheet engages under the free flange of the U-shaped double bow of the upper metal sheet and forms the bottom of an open horizontal butt joint and a protection against horizontal displacement is provided between the metal sheet and the substructure.
  • facade claddings are usually used to protect building walls and their insulation from the effects of the weather. These facades are called “cold facades” because they are ventilated. As a result, the vapor diffusion escaping from the building is carried away and cannot precipitate out, soaking the insulation of the building and possibly making it unusable.
  • Facades of this type are made of different materials (e.g. pelichrome, eternit, cold-rolled profile sheets, folded metal sheets).
  • the cladding sheets are usually held by a previously installed and aligned substructure, which usually has longitudinal and transverse ribs and onto which the sheet metal sheets are screwed, plugged or riveted.
  • the substructure must absorb the weight of the cladding as well as the forces resulting from wind pressure and suction. The assembly must be carried out in such a way that disassembly is also possible for repair purposes.
  • the substructure should be designed so that no water can penetrate behind the panels or water that has penetrated is drained out again.
  • each sheet of metal is bent at a right angle on its two vertical edges, these bent legs protruding against T-shaped rods which are perpendicularly attached to fastening angles of the substructure at intervals from one another.
  • Each metal sheet is screwed to the substructure with the T profiles mentioned, the screws being inserted through holes in the Z-flange of each metal sheet.
  • FIG. 579 688 Another facade cladding can be found in CH-PS 579 688.
  • the metal sheets have a simple fold on their vertical edges, into which an upward-facing, angular insertion slot is punched in the manner of a bayonet catch at the top and bottom. With these insertion slots, the metal sheet is hung on bolts or hollow profiles, which are held parallel to the facade level in vertical profiles of the substructure.
  • the vertical profiles have a U-shaped cross-section and are open towards the metal sheets, with one fold of two metal sheets lying horizontally next to one another engaging in a vertical profile at a distance from one another.
  • each of the bolts mentioned is overlapped by an expansion spring in order to achieve a clamping lock on the flanks of the insertion slot designed in the manner of a key opening.
  • a slotted plastic sleeve can be pressed onto the spreading spring and serves as a spacer between the two adjacent metal plates.
  • the vertical profiles that receive the bolts usually consist of a bent or pressed aluminum profile that is connected to the shell with adjustable steel anchors or aluminum anchors. Usually only vertical profiles are provided that cover the joint of two metal plates.
  • a major disadvantage of this construction is the strong weakening of the sheet metal as a result of the punched-out insertion slots in the folds, which can cause the punchings to buckle.
  • Another disadvantage is that the metal sheets are always only attached to the substructure at points. Sheet metal that has been folded several times can no longer be hung, but must be made up of several parts. The position of the suspension must be planned, calculated and divided. If the basic structure is not properly installed, corrections are no longer possible. The vertical profiles of the substructure, since they are visible in the area of the butt joints, must be coated in the same color as the metal sheets.
  • brackets In order to avoid the above-mentioned weakening of the metal sheets, brackets have been welded to the folds of the metal sheets instead of the punched-out areas, so as to allow these U-shaped metal sheets to be hooked into the substructure.
  • the effort to weld this suspension leads to a very expensive construction. Problems arise with the anodized version of the metal sheets due to the welding work.
  • the object of the invention is to improve the facade cladding cited at the outset, in particular with regard to its stability.
  • the height of the Z-flange is greater than the height of the U-flange for each metal sheet not arranged on the edge of a facade level.
  • the double fold leads to a higher stiffness of the metal sheets during transport and use. Punching or welding of other fastening parts to the metal sheets is not necessary.
  • the bend of the metal sheets remains even with left or right connections to the structure or with corner designs.
  • the metal sheets are anchored over their entire height.
  • the metal sheets are shifted in the horizontal direction during the mounting, whereby the mounting can take place from left to right or vice versa. According to the new system, multiple folded metal sheets could also be hung. Regardless of the size of the sheet, there are always only two bolts or the like. required per sheet. Apart from the folding, no further processing steps are required on the metal sheets.
  • the vertical profiles can be raw because they are not visible. Welding work is completely eliminated. If the substructure is installed incorrectly, it can be corrected by drilling new holes.
  • the protection against horizontal displacement of the metal sheets can be formed by self-tapping screws which are screwed through the metal sheet into the vertical profiles.
  • the through holes for the self-tapping screws can be designed as vertical slotted holes in the metal sheet in order to be able to compensate for height.
  • said securing can also take place by means of an indentation provided in the upper sheet metal edge, against which one of the bolts bears laterally, or into which a bolt engages with a groove.
  • Two bolts or the like can be used for each sheet of metal. be provided, which are held in the two adjacent vertical profiles of the substructure.
  • any other design of supports, noses or the like could in principle be used. be provided.
  • the metal sheets are mounted from bottom to top, they can be placed on the bolts in the intended position and hung on the side. However, if assembly is to take place from top to bottom, the metal sheets must be retracted into a lower position than the intended one and then pushed up. For this it is then necessary that the bolts or the like. can be pressed flush against the action of a spring into the surface of the associated vertical profile of the substructure. When the sheet is pushed up, the bolts are then pushed back by the upper horizontal Z-flange of the sheet; the sheet of metal can then be pushed up until the two side bolts spring out from under the upper fold under the action of the spring.
  • the vertical profile of the substructure can preferably be approximately U-shaped in cross-section, both U-legs being formed by box profiles, while the U-web forms the insertion slot in connection with a short parallel web.
  • the U-web and the parallel web each have a chamfer.
  • Each box profile of the vertical profile can have a continuous vertical slot in its side wall facing the claimed vertical profile and form the mounting for the bolts and the holder for the structural attachment.
  • the vertical slot allows the insertion of the spring acting on the bolt, which is preferably bent in the form of a leaf, with its central portion engages in a form-fitting manner in an annular groove of the bolt and its ends are supported on a web of the vertical profile.
  • the spring can be bent from a steel wire.
  • the vertical Z-flange of each sheet has a punch exposed this opening.
  • This punching can be done with an adhesive tape or the like. be covered.
  • the opening is expediently a hole which, together with the two adjacent holes for receiving the bolts, can be produced very easily on site.
  • the hole mentioned is always in the same relationship to the holes for holding the two bolts, so that the three holes can be made simultaneously with a drilling jig.
  • the tool to be inserted through said opening can e.g. B.
  • the corresponding sheet of metal loses its support and slides down as far as the horizontal joint allows.
  • the sheet metal plate can then be pulled out of its holder by lateral displacement. The reinsertion takes place as described above, without the need for tools.
  • the sheet metal screws securing the metal sheets against horizontal displacement have no supporting function.
  • the insertion slot in the vertical profiles is designed so that different sheet thicknesses can be used for the sheets. Thickness compensation is achieved with locally applied adhesive tapes that are the same should prevent any possible rattling of the metal sheets in their insertion slot.
  • the U-legs of the vertical profiles forming the substructure face the metal sheets, so that their vertically running edge regions are each between these U-legs.
  • the two bolts or the like which are guided through the U-legs of a vertical profile and are in a horizontal plane. can be connected to each other at their ends facing away from the metal sheets. If the U-legs mentioned are not designed as a box profile, a separate bearing part could be provided to hold a bolt, which is fastened to the U-leg.
  • the facade cladding with substructure explained above only affects the facade area that is not on the edge of a facade level.
  • the substructure in the edge or corner region of the facade can consist of a vertical profile which is approximately U-shaped in cross section, the outer U-leg forming the edge or corner connection, the inner U-leg forming a box profile and the U-web in conjunction with a short parallel web form an insertion slot for the vertical Z-flange of a metal sheet.
  • the outer U-leg then serves as a connection z. B. on masonry, while the box section forming the inner U-leg takes over the function explained above for the box section.
  • any desired width of the vertical butt joint can be achieved, depending on aesthetic requirements.
  • the substructure in the corner area formed between two facade sides instead of two vertical profiles can also consist of only one combined vertical profile which, in the plane of one facade side, has an insertion slot open to the side for the vertical Z-flange, one in this plane arranged sheet metal plate and in the plane of the other side of the facade has at least one insertion slot open to the side for the vertical U-flange of a sheet metal plate arranged in this other plane.
  • This vertical profile can also have a third insertion slot, which lies in the same vertical plane as the insertion slot for the vertical U-flange, but protrudes into the area of the other facade side.
  • Figure 1 shows schematically a section of a flat facade, of which only metal sheets 1 are indicated.
  • the right edge area of the facade is connected to a masonry 31.
  • Each metal sheet 1 has on its one vertical edge and on its upper horizontal edge a Z-shaped double bow 4 and on its other vertical edge and on its lower horizontal edge a U-shaped double bow 5.
  • the height z of the free flange of the Z-shaped double bow (hereinafter referred to as "Z flange") is more than twice the height u of the free flange of the U-shaped double bow (hereinafter referred to as short) Called "U-flange").
  • the height difference z - u corresponds to the width of the butt joints 6 in the horizontal and vertical joints between the metal sheets 1, the Z flange 4a in each case Bottom of the butt joint 6 forms (see in particular Figure 3).
  • the vertical profiles 3 have an insertion slot 7 which is open to the side and into which the vertical Z and U flange 4a, 5a of two horizontally adjacent metal sheets 1 are inserted (see FIG.
  • Each sheet 1 hangs with its upper, right-angled edge 8 on the bolt 2 or the like protruding perpendicularly to the facade plane from the substructure. (see Figure 3). Between sheet metal plate 1 and the substructure there is in each case a protection against horizontal displacement, which according to FIG. 2 can be formed by sheet metal screws 9 which are screwed through the sheet metal plate 1 into the vertical profiles 3.
  • FIG. 6 shows that the through holes for the sheet metal screws 9 are designed as vertical slot holes 10 in the sheet metal plate 1.
  • the vertical profile 3 is approximately U-shaped in cross-section, both U-legs being formed by box profiles 13, while the U-web 14 forms the above-mentioned insertion slot 7 in connection with a short parallel web 15.
  • U-web 14 and parallel web 15 each have a chamfer 16.
  • the flanges mentioned are expediently equipped with intermediate layers 12 in the insertion area.
  • Each box section 13 of the vertical section 3 has a continuous vertical slot 17 in its side wall facing the adjacent vertical section and forms the mounting for the bolts 2 and the holder for the structural attachment.
  • Figures 3 to 5 show that the spring 11 is bent in sheet form from a steel wire, engages with its central portion 18 in a form-fitting manner in an annular groove 19 of the bolt 2 and is supported with its ends on a web 20 of the vertical profile 3 of the substructure.
  • each metal sheet 1 in the area of the cross point of four metal sheets 1 in the vertical profile 3 of the substructure, there is an opening 21 for inserting one of the adjacent bolts 2 or the like. impressing tool provided.
  • the vertical Z-flange 4a of each metal sheet 1 has a punched-out portion 22 that exposes this opening 21.
  • FIG. 7 shows a horizontal section through the edge region of a facade, which adjoins a masonry 31.
  • the substructure consists of a vertical profile 23, which is approximately U-shaped in cross section, the outer U-leg 24 connecting the edge or corner, the inner U-leg a box profile 13 and the U-web 14 in connection with a short parallel web 15 form an insertion slot 25 for the vertical Z-flange 4a of a metal sheet 1.
  • the Z-flange 4a is only about half as wide as in the embodiment according to FIGS. 2 to 6.
  • FIG. 8 shows a schematic representation according to FIG. 1 the corner area of a facade in which two facade sides C and D converge.
  • the section along the line IX-IX is shown in FIG. 9.
  • two vertical profiles 23 according to FIG. 7 are connected to one another via an angle piece 26, which can be rectangular (solid representation) or can be acute-angled according to the broken line.
  • the right-angled angle piece 26 is covered with a cover plate 27 in the exemplary embodiment.
  • the Z-flange 4a shown in solid lines has approximately the width of the U-flange 5a; in this case the width of the two butt joints 6 is the same in the corner area.
  • the Z-flange 4a can also have the width shown in FIG. 2 (see dashed line); in addition, the butt joint 6 formed by the Z-shaped double bend 4 can also be closed by a cover plate 27a.
  • FIG. 10 shows a horizontal section comparable to FIG. 9, but the two vertical profiles 23 shown in FIG. 9 are combined to form a single vertical profile 28.
  • this has an insertion slot 25 which is open to the side for the vertical Z-flange 4a of a sheet metal plate 1 arranged in this one plane and in the plane of the other facade side D two insertion slots 29, 30 which are open to the side vertical U-flange 5a of a metal sheet 1 arranged in this other plane.
  • the U-flange 5a is inserted into the insertion slot 29, while the other insertion slot 30 is covered by a cover plate 27.
  • the cover plate 27 can have various shapes.
  • the same vertical profile 28 is used in the embodiment shown in FIG. However, here the U flange 5a is inserted into the insertion slot 30, while the Z flange 4a has a reduced width. As a result, only a very narrow butt joint 6 is obtained in the facade side C, but in the facade side D there is no butt joint at all in the corner area. Here, too, the butt joint 6 in the facade side C can be widened by widening the Z flange 4a accordingly.
  • the sheet metal screws 9 indicated in FIG. 2 and explained above can be provided.
  • an indentation 9a in the upper sheet metal edge of the sheet metal sheets see dashed illustration in FIG. 2
  • FIG. 3 Another solution is shown in dashed lines in FIG. 3:
  • the bolt 2 with a groove 2a engages over a corresponding indentation 9a or a correspondingly inwardly bent edge of the metal sheet.
  • the bolt 2 could also be installed in a slightly inclined position to the facade level instead of the groove 2a shown in dashed lines.

Abstract

1. Facade cladding with sub-construction, consisting of metal sheets (1) folded towards the sub-construction at their vertical edges, which metal sheets hang at their upper edges on bolts (2) or the like, which are fixed in vertical sections (3) of the sub-construction, wherein each metal sheet (1) has a Z-shaped double bend (4) on its upper horizontal edge and a U-shaped double bend (5) on its lower horizontal edge, and wherein, with two metal sheets (1) lying vertically one above the other in the same facade plane, the free flange of the Z-shaped double bend (Z-flange 4a) of the lower metal sheet (1) engages under the free flange of the U-shaped double bend (U-flange 5a) of the upper metal sheet (1), and forms the bottom of an open horizontal joint (6), and between each metal sheet (1) and the sub-construction a securement against horizontal displacement is provided, characterized by the following features : a) each metal sheet (1) has on its one vertical edge a Z-shaped double bend (4) and on its other vertical edge a U-shaped double bend (5) ; b) the vertical sections (3) of the sub-construction comprise a push-in slot (7) open to the side, into which are pushed each of the vertical Z- and U-flanges (4a, 5a) of two metal sheets (1) lying horizontally adjacent in the same facade plane, wherein the Z-flange (4a) engaging under the U-flange (5a) forms the bottom of an open vertical joint (6) ; c) each metal sheet (1) lies with its upper edge (8) folded towards the facade plane on the bolts (2) or the like projecting from the sub-construction.

Description

Die Erfindung betrifft eine Fassadenverkleidung mit Unterkonstruktion, bestehend aus an ihren Vertikalkanten zur Unterkonstruktion hin abgekanteten Blechtafeln, die mit ihrem oberen Rand an Bolzen o.dergl. hängen, die in Vertikal profilen der Unterkonstruktion festgelegt sind, wobei jede Blechtafel an ihrer oberen Horizontalkante einen Z-förmigen Doppelbug und an ihrer unteren Horizontalkante einen U-förmigen Doppelbug aufweist, und wobei bei zwei in derselben Fassadenebene vertikal übereinander liegenden Blechtafein der freie Flansch des Z-förmigen Doppelbugs der unteren Blechtafel den freien Flansch des U-förmigen Doppelbugs der oberen Blechtafel untergreift und den Boden einer offenen horizontalen Stossfuge bildet und zwischen Blechtafel und Unterkonstruktion jeweils eine Sicherung gegen Horizontalverschiebung vorgesehen ist.The invention relates to a facade cladding with a substructure, consisting of sheet metal beveled on its vertical edges towards the substructure, which with its upper edge on bolts or the like. hang, which are defined in vertical profiles of the substructure, each sheet of metal has a Z-shaped double bend on its upper horizontal edge and a U-shaped double bend on its lower horizontal edge, and where two sheet metal plates lying vertically one above the other in the same facade plane have the free flange of Z-shaped double bow of the lower metal sheet engages under the free flange of the U-shaped double bow of the upper metal sheet and forms the bottom of an open horizontal butt joint and a protection against horizontal displacement is provided between the metal sheet and the substructure.

Derartige Fassadenverkleidungen dienen in der Regel dazu, Gebäudewände und deren Isolation vor den Einflüssen der Witterung zu schützen. Diese Fassaden werden als «Kalt-Fassaden» bezeichnet, weil sie umlüftet sind. Dadurch wird die aus dem Gebäude austretende Dampfdiffusion weggeführt und kann sich nicht niederschlagen und dadurch die Isolation des Gebäudes durchnässen und ggf. unbrauchbar machen.Such facade claddings are usually used to protect building walls and their insulation from the effects of the weather. These facades are called "cold facades" because they are ventilated. As a result, the vapor diffusion escaping from the building is carried away and cannot precipitate out, soaking the insulation of the building and possibly making it unusable.

Fassaden dieser Art werden aus verschiedenen Materialien gefertigt (z.B. Pelichrom, Eternit, kaltgerollte Profilbleche, abgekantete Blechtafeln). Gehalten werden die Verkleidungsbleche in der Regel durch eine vorgängig montierte und ausgefluchtete Unterkonstruktion, die in der Regel Längs- und Querrippen aufweist und auf die die Blechtafeln aufgeschraubt, -gesteckt oder -genietet werden. Die Unterkonstruktion muss das Eigengewicht der Verkleidungen sowie die aus Winddruck und -sog herrührenden Kräfte aufnehmen. Die Montage muss so erfolgen, dass auch eine Demontage zu Reparaturzwecken möglich ist. Ausserdem soll die Unterkonstruktion so ausgebildet sein, dass kein Wasser hinter die Tafeln eindringen kann bzw. eingedrungenes Wasser wieder nach aussen abgeleitet wird.Facades of this type are made of different materials (e.g. pelichrome, eternit, cold-rolled profile sheets, folded metal sheets). The cladding sheets are usually held by a previously installed and aligned substructure, which usually has longitudinal and transverse ribs and onto which the sheet metal sheets are screwed, plugged or riveted. The substructure must absorb the weight of the cladding as well as the forces resulting from wind pressure and suction. The assembly must be carried out in such a way that disassembly is also possible for repair purposes. In addition, the substructure should be designed so that no water can penetrate behind the panels or water that has penetrated is drained out again.

Die eingangs zitierte Fassadenverkleidung lässt sich der DE-A-2 927164 entnehmen. Hier ist jede Blechtafel an ihren beiden Vertikalkanten rechtwinklig abgekantet, wobei diese abgekanteten Schenkel gegen T-förmige Stäbe ragen, die in Abständen voneinander lotrecht an Befestigungswinkeln der Unterkonstruktion befestigt sind. Jede Blechtafel wird zu ihrer Festlegung an der Unterkonstruktion mit den genannten T-Profilen verschraubt, wobei die Schrauben durch Löcher des Z-Flansches jeder Blechtafel gesteckt sind.The facade cladding cited at the beginning can be found in DE-A-2 927164. Here, each sheet of metal is bent at a right angle on its two vertical edges, these bent legs protruding against T-shaped rods which are perpendicularly attached to fastening angles of the substructure at intervals from one another. Each metal sheet is screwed to the substructure with the T profiles mentioned, the screws being inserted through holes in the Z-flange of each metal sheet.

Ein wesentlicher Nachteil dieser Konstruktion liegt in der notwendigen Verschraubung der Blechtafeln.A major disadvantage of this construction is the necessary screwing of the metal sheets.

Eine andere Fassadenverkleidung lässt sich der CH-PS 579 688 entnehmen. Hier weisen die Blechtafeln an ihren Vertikalkanten einen einfachen Umbug auf, in die oben und unten jeweils ein nach oben gerichteter winkelförmiger Einschubschlitz nach Art eines Bajonettverschlusses gestanzt ist. Mit diesen Einschubschlitzen ist die Blechtafel auf Bolzen bzw. Hohlprofile gehängt, die parallel zur Fassadenebene in Vertikalprofilen der Unterkonstruktion gehalten sind. Die Vertikalprofile haben U-förmigen Querschnitt und sind zu den Blechtafeln hin geöffnet, wobei jeweils eine Abkantung zweier horizontal nebeneinanderliegender Blechtafeln mit Abstand voneinander in ein Vertikalprofil eingreifen. Um Vibrationen und sonstige Bewegungen der Blechtafeln zu vermeiden, ist jeder der genannten Bolzen von einer Spreizfeder übergriffen, um an den Flanken des nach Art einer Schlüsselöffnung ausgebildeten Einschubschlitzes eine Klemmverriegelung zu erreichen. Auf die Spreizfeder kann eine geschlitzte Kunststoffhülse gedrückt sein, die als Distanzelement zwischen den beiden benachbarten Blechtafein dient. Die die Bolzen aufnehmenden Vertikalprofile bestehen meist aus einem gekanteten oder gepressten Aluminiumprofil, das mit verstellbaren Stahlankern oder auch Aluminiumankern mit dem Rohbau verbunden wird. Meist sind nur Vertikalprofile vorgesehen, die den Stoss zweier Blechtafein überdecken.Another facade cladding can be found in CH-PS 579 688. Here, the metal sheets have a simple fold on their vertical edges, into which an upward-facing, angular insertion slot is punched in the manner of a bayonet catch at the top and bottom. With these insertion slots, the metal sheet is hung on bolts or hollow profiles, which are held parallel to the facade level in vertical profiles of the substructure. The vertical profiles have a U-shaped cross-section and are open towards the metal sheets, with one fold of two metal sheets lying horizontally next to one another engaging in a vertical profile at a distance from one another. In order to avoid vibrations and other movements of the metal sheets, each of the bolts mentioned is overlapped by an expansion spring in order to achieve a clamping lock on the flanks of the insertion slot designed in the manner of a key opening. A slotted plastic sleeve can be pressed onto the spreading spring and serves as a spacer between the two adjacent metal plates. The vertical profiles that receive the bolts usually consist of a bent or pressed aluminum profile that is connected to the shell with adjustable steel anchors or aluminum anchors. Usually only vertical profiles are provided that cover the joint of two metal plates.

Ein wesentlicher Nachteil dieser Konstruktion besteht in der starken Schwächung der Blechtafein infolge der ausgestanzten Einschubschlitze in den Abkantungen, was zum Einknicken bei den Ausstanzungen führen kann. Nachteilig ist ferner, dass die Blechtafeln immer nur punktförmig an der Unterkonstruktion befestigt sind. In der Fläche mehrfach geknickte Blechtafeln können nicht mehr eingehängt, sondern müssen mehrteilig ausgebildet werden. Die Lage der Aufhängung muss geplant, berechnet und aufgeteilt werden, wird die Grundkonstruktion nicht sauber montiert, sind Korrekturen nicht mehr möglich. Die Vertikalprofile der Unterkonstruktion müssen, da sie im Bereich der Stossfugen sichtbar sind, gleichfarbig beschichtet sein wie die Blechtafeln.A major disadvantage of this construction is the strong weakening of the sheet metal as a result of the punched-out insertion slots in the folds, which can cause the punchings to buckle. Another disadvantage is that the metal sheets are always only attached to the substructure at points. Sheet metal that has been folded several times can no longer be hung, but must be made up of several parts. The position of the suspension must be planned, calculated and divided. If the basic structure is not properly installed, corrections are no longer possible. The vertical profiles of the substructure, since they are visible in the area of the butt joints, must be coated in the same color as the metal sheets.

Um die vorstehend genannte Schwächung der Blechtafeln zu vermeiden, hat man anstelle der Ausstanzungen Halterungen an die Abkantungen der Blechtafeln geschweisst, um so ein Einhängen dieser U-förmig gekanteten Bleche in die Unterkonstruktion zu erlauben. Der Aufwand zum Anschweissen dieser Aufhängung führt jedoch zu einer starken Verteuerung der Konstruktion. Bei eloxierter Ausführung der Blechtafeln ergeben sich durch die Schweissarbeit Probleme.In order to avoid the above-mentioned weakening of the metal sheets, brackets have been welded to the folds of the metal sheets instead of the punched-out areas, so as to allow these U-shaped metal sheets to be hooked into the substructure. However, the effort to weld this suspension leads to a very expensive construction. Problems arise with the anodized version of the metal sheets due to the welding work.

Der Erfindung liegt die Aufgabe zugrude, die eingangs zitierte Fassadenverkleidung insbesondere hinsichtlich ihrer Stabilität zu verbessern.The object of the invention is to improve the facade cladding cited at the outset, in particular with regard to its stability.

Diese Aufgabe wird gemäss der Erfindung durch folgende Merkmale gelöst:

  • a) Jede Blechtafel weist an ihrer einen Vertikalkante einen Z-förmigen Doppelbug und an ihrer anderen Vertikalkante einen U-förmigen Doppelbug auf;
  • b) die Vertikalprofile der Unterkonstruktion weisen einen zur Seite hin offenen Einschubschlitz auf, in den jeweils der vertikale Z- und U-Flansch zweier in derselben Fassadenebene horizontal nebeneinander liegender Blechtafeln eingeschoben sind, wobei der den U-Flansch untergreifende Z-Flansch den Boden einer offenen vertikalen Stossfuge bildet;
  • c) jede Blechtafel liegt mit ihrem oberen abgekanteten, zur Fassadenebene weisenden Rand auf den aus der Unterkonstruktion ragenden Bolzen o.dergl. auf.
This object is achieved according to the invention by the following features:
  • a) Each sheet has a Z-shaped double bow on one vertical edge and a U-shaped double bow on its other vertical edge;
  • b) the vertical profiles of the substructure have an insertion slot which is open to the side and into which the vertical Z and U flange of two metal sheets lying horizontally next to each other in the same facade plane are inserted ben are, the Z-flange engaging under the U-flange forming the bottom of an open vertical butt joint;
  • c) Each sheet of metal lies with its upper folded edge facing the facade level on the bolts or the like protruding from the substructure. on.

Dabei ist es zweckmässig, wenn bei jeder nicht am Rand einer Fassadenebene angeordneten Blechtafel die Höhe des Z-Flansches grösser ist als die Höhe des U-Flansches.It is expedient if the height of the Z-flange is greater than the height of the U-flange for each metal sheet not arranged on the edge of a facade level.

Der doppelte Umbug führt zu einer höheren Steifigkeit der Blechtafeln beim Transport und im Gebrauch. Ausstanzungen oder Anschweissen sonstiger Befestigungsteile an den Blechtafeln entfallen. Die Abkantung der Blechtafeln bleibt auch bei linken oder rechten Anschlüssen an den Baukörper oder bei Eckausbildungen bestehen. Die Verankerung der Blechtafeln erfolgt über ihre gesamte Höhe. Die Blechtafeln werden beim Einhängen jeweils in horizontaler Richtung verschoben, wobei das Einhängen von links nach rechts oder umgekehrt erfolgen kann. Nach dem neuen System liessen sich auch mehrfach geknickte Blechtafeln einhängen. Unabhängig von der Grösse der Blechtafel sind immer nur zwei Bolzen o.dergl. pro Blechtafel erforderlich. Abgesehen von dem Abkanten sind keine weiteren Bearbeitungsschritte an den Blechtafeln erforderlich. Die Vertikalprofile können roh sein, da sie nicht sichtbar sind. Schweissarbeiten entfallen vollständig. Bei falsch montierter Unterkonstruktion ist eine Korrektur durch Bohren neuer Löcher möglich.The double fold leads to a higher stiffness of the metal sheets during transport and use. Punching or welding of other fastening parts to the metal sheets is not necessary. The bend of the metal sheets remains even with left or right connections to the structure or with corner designs. The metal sheets are anchored over their entire height. The metal sheets are shifted in the horizontal direction during the mounting, whereby the mounting can take place from left to right or vice versa. According to the new system, multiple folded metal sheets could also be hung. Regardless of the size of the sheet, there are always only two bolts or the like. required per sheet. Apart from the folding, no further processing steps are required on the metal sheets. The vertical profiles can be raw because they are not visible. Welding work is completely eliminated. If the substructure is installed incorrectly, it can be corrected by drilling new holes.

Die Sicherung gegen Horizontalverschiebung der Blechtafeln kann durch Blechschrauben gebildet sein, die durch die Blechtafel in die Vertikalprofile geschraubt sind. Dabei können in der Blechtafel die Durchtrittslöcher für die Blechschrauben als vertikale Schlitzlöcher ausgebildet sein, um einen Höhenausgleich vornehmen zu können. Die genannte Sicherung kann aber auch durch eine in der oberen Blechkante vorgesehene Einstauchung erfolgen, gegen die einer der Bolzen seitlich anliegt, oder aber in die ein Bolzen mit einer Rille einrastet.The protection against horizontal displacement of the metal sheets can be formed by self-tapping screws which are screwed through the metal sheet into the vertical profiles. The through holes for the self-tapping screws can be designed as vertical slotted holes in the metal sheet in order to be able to compensate for height. However, said securing can also take place by means of an indentation provided in the upper sheet metal edge, against which one of the bolts bears laterally, or into which a bolt engages with a groove.

Für jede Blechtafel können zwei Bolzen o.dergl. vorgesehen sein, die in den beiden benachbarten Vertikalprofilen der Unterkonstruktion gehalten sind. Anstelle der Bolzen könnten grundsätzlich auch beliebig anders gestaltete Auflager, Nasen o.dergl. vorgesehen werden.Two bolts or the like can be used for each sheet of metal. be provided, which are held in the two adjacent vertical profiles of the substructure. Instead of the bolts, any other design of supports, noses or the like could in principle be used. be provided.

Werden die Blechtafeln von unten nach oben montiert, so können sie in der vorgesehenen Position auf die Bolzen aufgelegt und seitlich eingehängt werden. Soll jedoch die Montage von oben nach unten erfolgen, müssen die Blechtafeln in einer tieferen als der vorgesehenen Position eingefahren und anschliessend hochgeschoben werden. Hierfür ist es dann erforderlich, dass die Bolzen o.dergl. gegen die Wirkung einer Feder bündig in die Oberfläche des zugeordneten Vertikalprofils der Unterkonstruktion eindrückbar sind. Beim Hochschieben der Blechtafel werden dann die Bolzen von dem oberen horizontalen Z-Flansch der Blechtafel zurückgedrückt; die Blechtafel kann dann hochgeschoben werden, bis die beiden seitlichen Bolzen unter dem oberen Umbug unter Wirkung der Feder wieder hervorspringen.If the metal sheets are mounted from bottom to top, they can be placed on the bolts in the intended position and hung on the side. However, if assembly is to take place from top to bottom, the metal sheets must be retracted into a lower position than the intended one and then pushed up. For this it is then necessary that the bolts or the like. can be pressed flush against the action of a spring into the surface of the associated vertical profile of the substructure. When the sheet is pushed up, the bolts are then pushed back by the upper horizontal Z-flange of the sheet; the sheet of metal can then be pushed up until the two side bolts spring out from under the upper fold under the action of the spring.

Das Vertikalprofil der Unterkonstruktion kann im Querschnitt vorzugsweise angenähert U-förmig ausgebildet sein, wobei beide U-Schenkel durch Kastenprofile gebildet sind, während der U-Steg in Verbindung mit einem kurzen Parallelsteg den Einschubschlitz bildet. Zur Erleichterung des seitlichen Einhängens der Blechtafeln ist es dabei zweckmässig, wenn U-Steg und Parallelsteg jeweils eine Anfasung aufweisen.The vertical profile of the substructure can preferably be approximately U-shaped in cross-section, both U-legs being formed by box profiles, while the U-web forms the insertion slot in connection with a short parallel web. To facilitate the lateral hanging of the metal sheets, it is expedient if the U-web and the parallel web each have a chamfer.

Jedes Kastenprofil des Vertikalprofils kann in seiner dem beanchbarten Vertikalprofil zugewandten Seitenwandung einen durchlaufenden Vertikalschlitz aufweisen und die Lagerung für die Bolzen sowie die Halterung für die Baukörper-Befestigung bilden. Dabei erlaubt der Vertikalschlitz das Einführen der den Bolzen beaufschlagenden Feder, die vorzugsweise blattförmig gebogen ist, mit ihrem Mittelabschnitt formschlüssig in eine Ringnut des Bolzens eingreift und sich mit ihren Enden an einem Steg des Vertikalprofils abstützt. Dabei kann die Feder aus einem Stahldraht gebogen sein.Each box profile of the vertical profile can have a continuous vertical slot in its side wall facing the claimed vertical profile and form the mounting for the bolts and the holder for the structural attachment. The vertical slot allows the insertion of the spring acting on the bolt, which is preferably bent in the form of a leaf, with its central portion engages in a form-fitting manner in an annular groove of the bolt and its ends are supported on a web of the vertical profile. The spring can be bent from a steel wire.

Um aus einer geschlossenen Fassadenfläche eine einzelne Blechtafel demontieren zu können, ist im Bereich des Kreuzungspunktes von vier Blechtafeln im Vertikal profil der Unterkonstruktion eine Öffnung zum Durchstecken eines die benachbarten Bolzen o.dgl. eindrückenden Werkzeuges vorgesehen, wobei der vertikale Z-Flansch jeder Blechtafel eine diese Öffnung freilegende Ausstanzung aufweist. Diese Ausstanzung kann durch ein Klebeband o.dergl. abgedeckt sein. Die Öffnung ist zweckmässig eine Bohrung, die sich zusammen mit den beiden benachbarten Bohrungen für die Aufnahme der Bolzen sehr einfach am Bau herstellen lassen. Das genannte Loch steht immer im gleichen Verhältnis zu den Löchern für die Halterung der beiden Bolzen, so dass die drei Bohrungen gleichzeitig mit einer Bohrlehre ausgeführt werden können. Das durch die genannte Öffnung zu steckende Werkzeug kann z. B. ein eine abgewinkelte Klinge aufweisender Schraubenzieher sein, mit dem sich der links und rechts liegende Bolzen des entsprechenden Vertikalprofils zurückziehen lässt, bis er bündig in der Aussenfläche des Vertikalprofils liegt. Dadurch verliert die entsprechende Blechtafel ihre Auflager und rutscht so weit nach unten, wie es die horizontale Fuge erlaubt. Durch seitliches Verschieben kann dann die Blechtafel aus ihrer Halterung herausgezogen werden. Das Wiedereinsetzen erfolgt wie oben beschrieben, ohne dass hierzu Werkzeuge erforderlich wären.In order to be able to dismantle a single sheet of metal from a closed facade surface, in the area of the intersection of four metal sheets in the vertical profile of the substructure there is an opening for inserting one of the adjacent bolts or the like. Pressing tool provided, the vertical Z-flange of each sheet has a punch exposed this opening. This punching can be done with an adhesive tape or the like. be covered. The opening is expediently a hole which, together with the two adjacent holes for receiving the bolts, can be produced very easily on site. The hole mentioned is always in the same relationship to the holes for holding the two bolts, so that the three holes can be made simultaneously with a drilling jig. The tool to be inserted through said opening can e.g. B. be an angled blade screwdriver with which the left and right bolts of the corresponding vertical profile can be retracted until it is flush with the outer surface of the vertical profile. As a result, the corresponding sheet of metal loses its support and slides down as far as the horizontal joint allows. The sheet metal plate can then be pulled out of its holder by lateral displacement. The reinsertion takes place as described above, without the need for tools.

Die die Blechtafeln gegen horizontales Verschieben sichernden Blechschrauben haben keine tragende Funktion.The sheet metal screws securing the metal sheets against horizontal displacement have no supporting function.

Der Einschubschlitz in den Vertikalprofilen ist jeweils so ausgebildet, dass verschiedene Blechstärken für die Blechtafeln Verwendung finden können. Ein Dickenausgleich wird mit örtlich aufgebrachten Klebebändern erzielt, die gleichzeitig ein etwaiges Klappern der Blechtafeln in ihrem Einschubschlitz verhindern sollen.The insertion slot in the vertical profiles is designed so that different sheet thicknesses can be used for the sheets. Thickness compensation is achieved with locally applied adhesive tapes that are the same should prevent any possible rattling of the metal sheets in their insertion slot.

Bei allen vorstehend erläuterten Ausführungsformen sind die U-Schenkel der die Unterkonstruktion bildenden Vertikalprofile den Blechtafeln zugewandt, so dass deren vertikal verlaufenden Randbereiche jeweils zwischen diesen U-Schenkein liegen. Die beiden durch die als Kastenprofil ausgebildeten U-Schenkel eines Vertikalprofils geführten und in einer Horizontalebene liegenden Bolzen o.dergl. können an ihren den Blechtafeln abgewandten Enden miteinander verbunden sein. Sind die genannten U-Schenkel nicht als Kastenprofil ausgebildet, könnte zur Halterung eines Bolzens ein separates Lagerteil vorgesehen werden, das an dem U-Schenkel befestigt wird.In all of the above-described embodiments, the U-legs of the vertical profiles forming the substructure face the metal sheets, so that their vertically running edge regions are each between these U-legs. The two bolts or the like which are guided through the U-legs of a vertical profile and are in a horizontal plane. can be connected to each other at their ends facing away from the metal sheets. If the U-legs mentioned are not designed as a box profile, a separate bearing part could be provided to hold a bolt, which is fastened to the U-leg.

Die vorstehend erläuterte Fassadenverkleidung mit Unterkonstruktion betrifft lediglich jeweils den Fassadenbereich, der nicht am Rand einer Fassadenebene liegt. Die Unterkonstruktion im Rand- bzw. Eckenbereich der Fassade kann erfindungsgemäss aus einem Vertikal profil bestehen, das im Querschnitt angenähert U-förmig ausgebildet ist, wobei der aussenliegene U-Schenkel den Randodern Eckenanschluss, der innenliegende U-Schenkel ein Kastenprofil und der U-Steg in Verbindung mit einem kurzen Parallelsteg einen Einschubschlitz für den vertikalen Z-Flansch einer Blechtafel bilden. Dabei dient dann der aussenliegende U-Schenkel als Anschluss z. B. an ein Mauerwerk, während das den innenliegenden U-Schenkel bildende Kastenprofil die vorstehend für das Kastenprofil erläuterte Funktion übernimmt.The facade cladding with substructure explained above only affects the facade area that is not on the edge of a facade level. According to the invention, the substructure in the edge or corner region of the facade can consist of a vertical profile which is approximately U-shaped in cross section, the outer U-leg forming the edge or corner connection, the inner U-leg forming a box profile and the U-web in conjunction with a short parallel web form an insertion slot for the vertical Z-flange of a metal sheet. The outer U-leg then serves as a connection z. B. on masonry, while the box section forming the inner U-leg takes over the function explained above for the box section.

Stossen aber zwei erfindungsgemäss ausgebildete Fassadenseiten zusammen, dann können die jeweils aussenliegenden U-Schenkel der beiden zusammen einen Eckenbereich bildenden Vertikalprofile über ein Winkelstück miteinander verbunden sein, das rechtwinklig oder aber auch in jedem beliebig anderen Winkel ausgebildet sein kann. Um dabei die Unterkonstruktion auch im Bereich der Eckausbildung nicht sichtbar werden zu lassen, ist es vorteilhaft, wenn das Winkelstück mit einem Abdeckblech verkleidet ist. Dadurch ist jede architektonisch wünschbare Eckgestaltung möglich.But if two facade sides designed according to the invention come together, then the respective outer U-legs of the two vertical profiles which together form a corner region can be connected to one another via an angle piece which can be formed at right angles or at any other angle. In order not to make the substructure visible in the area of the corner formation, it is advantageous if the angle piece is covered with a cover plate. This enables any architecturally desirable corner design.

Durch Verringerung der Breite der im Rand-oder Eckenbereich der Fassade liegenden Z-Flansche lässt sich je nach ästhetischen Bedürfnissen jede wünschbare Breite der vertikalen Stossfuge erzielen.By reducing the width of the Z-flanges in the edge or corner area of the facade, any desired width of the vertical butt joint can be achieved, depending on aesthetic requirements.

Vorteilhaft bei der erfindungsgemässen Eckausbildung ist die Verwendung jeweils gleicher Blechtafeln.The use of identical metal sheets is advantageous in the corner design according to the invention.

Die Unterkonstruktion kann in dem zwischen zwei Fassadenseiten gebildeten Eckenbereich anstelle von zwei Vertikalprofilen in einer abgewandelten Ausführungsform auch aus nur einem kombinierten Vertikalprofil bestehen, das in der Ebene der einen Fassadenseite einen zur Seite hin offenen Einschublitz für den vertikalen Z-Flansch einer in dieser einen Ebene angeordneten Blechtafel und in der Ebene der anderen Fassadenseite zumindest einen zur Seite hin offenen Einschubschlitz für den vertikalen U-Flansch einer in dieser anderen Ebene angeordneten Blechtafel aufweist. Dabei kann dieses Vertikalprofil noch einen dritten Einschubschlitz aufweisen, der in derselben Vertikalebene liegt wie der Einschubschlitz für den vertikalen U-Flansch, jedoch in den Bereich der anderen Fassadenseite ragt. Ausbildung und Wirkungsweise dieser Alternativlösung sind anhand eines Ausführungsbeispieles näher erläutert.In a modified embodiment, the substructure in the corner area formed between two facade sides instead of two vertical profiles can also consist of only one combined vertical profile which, in the plane of one facade side, has an insertion slot open to the side for the vertical Z-flange, one in this plane arranged sheet metal plate and in the plane of the other side of the facade has at least one insertion slot open to the side for the vertical U-flange of a sheet metal plate arranged in this other plane. This vertical profile can also have a third insertion slot, which lies in the same vertical plane as the insertion slot for the vertical U-flange, but protrudes into the area of the other facade side. The design and mode of operation of this alternative solution are explained in more detail using an exemplary embodiment.

In der Zeichnung sind einige als Beispiele dienende Ausführungsformen der Erfindung dargestellt. Es zeigen:

  • Figur 1 schematisch einen Ausschnitt aus einer ebenen Fassade mit den eingezeichneten Schnittlinien für die Figuren 2, 3, 4 und 7;
  • Figur 2 in gegenüber Figur 1 vergrössertem Massstab einen Schnitt gemäss der Linie 11-11 in Figur 1;
  • Figur 3 einen Schnitt gemäss der Linie 111-111 in Fig. 1;
  • Figur 4 einen Schnitt gemäss der Linie IV-IV in Figur 1;
  • Figur 5 in Draufsicht eine in Figur 3 in Seitenansicht dargestellte Feder;
  • Figur 6 in Stirn-, Seiten- und Draufsicht der Stossbereich zwischen mehreren Blechtafeln;
  • Figur 7 einen Schnitt gemäss der Linie VII-VII in Figur 1;
  • Figur 8 in einer Darstellung gemäss Figur einen Fassaden-Eckbereich;
  • Figur 9 in gegenüber Figur 8 vergrössertem Massstab einen Schnitt gemäss der Linie IX-IX in Figur 8;
  • Figur 10 eine abgewandelte Ausführungsform in einem Schnitt gemäss Figur 9 und
  • Figur 11 eine weiterhin abgewandelte Ausführungsform in einer Schnittdarstellung gemäss den Figuren 9 und 10.
Some exemplary embodiments of the invention are shown in the drawing. Show it:
  • Figure 1 shows schematically a section of a flat facade with the cut lines for Figures 2, 3, 4 and 7;
  • Figure 2 on a larger scale than Figure 1 shows a section along the line 11-11 in Figure 1;
  • 3 shows a section along the line 111-111 in Fig. 1;
  • Figure 4 shows a section along the line IV-IV in Figure 1;
  • Figure 5 is a top view of a spring shown in Figure 3 in side view;
  • Figure 6 in front, side and top view of the joint area between several metal sheets;
  • Figure 7 shows a section along the line VII-VII in Figure 1;
  • Figure 8 in a representation according to Figure a facade corner area;
  • FIG. 9 on a scale enlarged compared to FIG. 8, a section along the line IX-IX in FIG. 8;
  • Figure 10 shows a modified embodiment in a section according to Figure 9 and
  • FIG. 11 shows a further modified embodiment in a sectional illustration according to FIGS. 9 and 10.

Figur 1 zeigt schematisch einen Ausschnitt einer ebenen Fassade, von der lediglich Blechtafeln 1 angedeutet sind. Die Fassade ist mit ihrem rechten Randbereich an ein Mauerwerk 31 angeschlossen.Figure 1 shows schematically a section of a flat facade, of which only metal sheets 1 are indicated. The right edge area of the facade is connected to a masonry 31.

Der in Figur 2 dargestellte Horizontalschnitt durch den Vertikalstoss zweier nebeneinander liegender Blechtafeln 1 lässt ein im Bereich dieses Vertikalstosses angeordnetes Vertikalprofil 3 erkennen, das für die Fassadenverkleidung die Unterkonstruktion bildet, an der die Blechtafeln 1 an Bolzen 2 o.dergl. (siehe Figuren 3 und 4) hängen. Jede Blechtafel 1 weist an ihrer einen Vertikalkante sowie an ihrer oberen Horizontalkante einen Z-förmigen Doppelbug 4 und an ihrer anderen Vertikalkante sowie an ihrer unteren Horizontalkante einen U-förmigen Doppelbug 5 auf. Bei jeder nicht am Rand einer Fassadenebene angeordneten Blechtafel 1 beträgt die Höhe z des freien Flansches des Z-förmigen Doppelbugs (nachfolgend kurz «Z-Flansch» genannt) mehr als das Doppelte der Höhe u des freien Flansches des U-förmigen Doppelbugs (nachfolgend kurz «U-Flansch» genannt). Dabei entspricht die Höhendifferenz z - u der Breite der Stossfugen 6 in den Horizontal- und Vertikalstössen zwischen den Blechtafeln 1, wobei der Z-Flansch 4a jeweils den Boden der Stossfuge 6 bildet (siehe hierzu insbesondere Figur 3). Die Vertikalprofile 3 weisen einen zur Seite hin offenen Einschubschlitz 7 auf, in den jeweils der vertikale Z- und U-Flansch 4a, 5a zweier horizontal nebeneinanderliegender Blechtafeln 1 eingeschoben sind (siehe Figur 2). Jede Blechtafel 1 hängt mit ihrem oberen, rechtwinklig abgekanteten Rand 8 auf den senkrecht zur Fassadenebene aus der Unterkonstruktion ragenden Bolzen 2 o.dergl. (siehe Figur 3). Zwischen Blechtafel 1 und Unterkonstruktion ist jeweils eine Sicherung gegen Horizontalverschiebung vorgesehen, die gemäss Figur 2 durch Blechschrauben 9 gebildet sein kann, die durch die Blechtafel 1 in die Vertikalprofile 3 geschraubt sind. Figur 6 lässt erkennen, dass in der Blechtafel 1 die Durchtrittslöcher für die Blechschrauben 9 als vertikale Schlitzlöcher 10 ausgebildet sind.The horizontal section shown in Figure 2 through the vertical joint of two adjacent metal sheets 1 shows a vertical profile 3 arranged in the area of this vertical joint, which forms the substructure for the facade cladding, on which the metal sheets 1 on bolts 2 or the like. (see Figures 3 and 4) hang. Each metal sheet 1 has on its one vertical edge and on its upper horizontal edge a Z-shaped double bow 4 and on its other vertical edge and on its lower horizontal edge a U-shaped double bow 5. For each metal sheet 1 not arranged on the edge of a facade level, the height z of the free flange of the Z-shaped double bow (hereinafter referred to as "Z flange") is more than twice the height u of the free flange of the U-shaped double bow (hereinafter referred to as short) Called "U-flange"). The height difference z - u corresponds to the width of the butt joints 6 in the horizontal and vertical joints between the metal sheets 1, the Z flange 4a in each case Bottom of the butt joint 6 forms (see in particular Figure 3). The vertical profiles 3 have an insertion slot 7 which is open to the side and into which the vertical Z and U flange 4a, 5a of two horizontally adjacent metal sheets 1 are inserted (see FIG. 2). Each sheet 1 hangs with its upper, right-angled edge 8 on the bolt 2 or the like protruding perpendicularly to the facade plane from the substructure. (see Figure 3). Between sheet metal plate 1 and the substructure there is in each case a protection against horizontal displacement, which according to FIG. 2 can be formed by sheet metal screws 9 which are screwed through the sheet metal plate 1 into the vertical profiles 3. FIG. 6 shows that the through holes for the sheet metal screws 9 are designed as vertical slot holes 10 in the sheet metal plate 1.

Für jede Blechtafel 1 sind zwei Bolzen 2 o.dergl. vorgesehen, die in den beiden benachbarten Vertikalprofilen 3 der Unterkonstruktion gehalten und gegen die Wirkung einer Feder 11 bündig in die Oberfläche des zugeordneten Vertikalprofils 3 der Unterkonstruktion eindrückbar sind.For each sheet 1 two bolts 2 or the like. provided, which are held in the two adjacent vertical profiles 3 of the substructure and can be pressed flush against the action of a spring 11 into the surface of the associated vertical profile 3 of the substructure.

Das Vertikalprofil 3 ist im Querschnitt angenähert U-förmig ausgebildet, wobei beide U-Schenkel durch Kastenprofile 13 gebildet sind, während der U-Steg 14 in Verbindung mit einem kurzen Parallelsteg 15 den obengenannten Einschubschlitz 7 bildet. Zur Erleichterung der Montage weisen U-Steg 14 und Parallelsteg 15 jeweils eine Anfasung 16 auf. Um ein Festklemmen der in den Einschubschlitz 7 eingeschobenen Flansche 4a, 5a zu erreichen und Knackgeräusche aufgrund von Dilatationsbewegungen zu verhindern, sind die genannten Flansche im Einschubbereich zweckmässig mit Zwischenlagen 12 bestückt. Jedes Kastenprofil 13 des Vertikalprofils 3 weist in seiner dem benachbarten Vertikalprofil zugewandten Seitenwandung einen durchlaufenden Vertikalschlitz 17 auf und bildet die Lagerung für die Bolzen 2 sowie die Halterung für die Baukörper-Befestigung.The vertical profile 3 is approximately U-shaped in cross-section, both U-legs being formed by box profiles 13, while the U-web 14 forms the above-mentioned insertion slot 7 in connection with a short parallel web 15. To facilitate assembly, U-web 14 and parallel web 15 each have a chamfer 16. In order to ensure that the flanges 4a, 5a pushed into the insertion slot 7 and to prevent cracking noises due to dilatation movements, the flanges mentioned are expediently equipped with intermediate layers 12 in the insertion area. Each box section 13 of the vertical section 3 has a continuous vertical slot 17 in its side wall facing the adjacent vertical section and forms the mounting for the bolts 2 and the holder for the structural attachment.

Die Figuren 3 bis 5 lassen erkennen, dass die Feder 11 blattförmig aus einem Stahldraht gebogen ist, mit ihrem Mittelabschnitt 18 formschlüssig in eine Ringnut 19 des Bolzens 2 eingreift und sich mit ihren Enden an einem Steg 20 des Vertikalprofils 3 der Unterkonstruktion abstützt.Figures 3 to 5 show that the spring 11 is bent in sheet form from a steel wire, engages with its central portion 18 in a form-fitting manner in an annular groove 19 of the bolt 2 and is supported with its ends on a web 20 of the vertical profile 3 of the substructure.

Gemäss Figur 6 ist im Bereich des Kreuzpunktes von vier Blechtafeln 1 im Vertikalprofil 3 der Unterkonstruktion eine Öffnung 21 zum Durchstekken eines die benachbarten Bolzen 2 o.dergl. eindrückenden Werkzeuges vorgesehen. Der vertikale Z-Flansch 4a jeder Blechtafel 1 weist eine diese Öffnung 21 freilegende Ausstanzung 22 auf.According to FIG. 6, in the area of the cross point of four metal sheets 1 in the vertical profile 3 of the substructure, there is an opening 21 for inserting one of the adjacent bolts 2 or the like. impressing tool provided. The vertical Z-flange 4a of each metal sheet 1 has a punched-out portion 22 that exposes this opening 21.

Figur 7 zeigt einen Horizontalschnitt durch den Randbereich einer Fassade, die an ein Mauerwerk 31 anschliesst. In diesem Randbereich besteht die Unterkonstruktion aus einem Vertikalprofil 23, das im Querschnitt angenähert U-förmig ausgebildet ist, wobei der aussenliegende U-Schenkel 24 den Rand- oder Eckenanschluss, der innenliegende U-Schenkel ein Kastenprofil 13 und der U-Steg 14 in Verbindung mit einem kurzen Parallelsteg 15 einen Einschubschlitz 25 für den vertikalen Z-Flansch 4a einer Blechtafel 1 bilden. Um die Fuge im Anschlussbereich nicht zu breit werden zu lassen, ist der Z-Flansch 4a nur etwa halb so breit ausgebildet wie in dem Ausführungsbeispiel gemäss den Figuren 2 bis 6.FIG. 7 shows a horizontal section through the edge region of a facade, which adjoins a masonry 31. In this edge area, the substructure consists of a vertical profile 23, which is approximately U-shaped in cross section, the outer U-leg 24 connecting the edge or corner, the inner U-leg a box profile 13 and the U-web 14 in connection with a short parallel web 15 form an insertion slot 25 for the vertical Z-flange 4a of a metal sheet 1. In order not to make the joint in the connection area too wide, the Z-flange 4a is only about half as wide as in the embodiment according to FIGS. 2 to 6.

Figur 8 zeigt in schematischer Darstellung gemäss Figur 1 den Eckbereich einer Fassade, bei der zwei Fassadenseiten C und D zusammenlaufen. Der Schnitt gemäss der Linie IX-IX ist in Figur 9 dargestellt. Hier sind zwei Vertikalprofile 23 gemäss Figur 7 über ein Winkelstück 26 miteinander verbunden, das rechtwinklig ausgebildet sein kann (ausgezogene Darstellung) oder aber spitzwinklig sein kann gemäss der gestrichelten Darstellung. Das rechtwinklig ausgebildete Winkelstück 26 ist in dem Ausführungsbeispiel mit einem Abdeckblech 27 verkleidet. Der in ausgezogenen Linien dargestellte Z-Flansch 4a hat etwa die Breite des U-Flansches 5a; in diesem Fall ist im Eckbereich die Breite der beiden Stossfugen 6 gleich. Der Z-Flansch 4a kann aber auch die in Figur 2 gezeigte Breite haben (siehe gestrichelte Darstellung); ausserdem kann die durch den Z-förmigen Doppelbug 4 gebildete Stossfuge 6 noch durch ein Abdeckblech 27a verschlossen werden.FIG. 8 shows a schematic representation according to FIG. 1 the corner area of a facade in which two facade sides C and D converge. The section along the line IX-IX is shown in FIG. 9. Here, two vertical profiles 23 according to FIG. 7 are connected to one another via an angle piece 26, which can be rectangular (solid representation) or can be acute-angled according to the broken line. The right-angled angle piece 26 is covered with a cover plate 27 in the exemplary embodiment. The Z-flange 4a shown in solid lines has approximately the width of the U-flange 5a; in this case the width of the two butt joints 6 is the same in the corner area. The Z-flange 4a can also have the width shown in FIG. 2 (see dashed line); in addition, the butt joint 6 formed by the Z-shaped double bend 4 can also be closed by a cover plate 27a.

Figur 10 zeigt einen der Figur 9 vergleichbaren Horizontalschnitt, wobei jedoch die beiden in Figur 9 dargestellten Vertikalprofile 23 zu einem einzigen Vertikalprofil 28 kombiniert sind. Dies weist in der Ebene der einen Fassadenseite C einen zur Seite hin offenen Einchubschlitz 25 für den vertikalen Z-Flansch 4a einer in dieser einen Ebene angeordneten Blechtafel 1 und in der Ebene der anderen Fassadenseite D zwei zur Seite hin offene Einschubschlitze 29, 30 für den vertikalen U-Flansch 5a einer in dieser anderen Ebene angeordneten Blechtafel 1 auf. In dem Ausführungsbeispiel gemäss Figur 10 ist der U-Flansch 5a in den Einschubschlitz 29 eingeschoben, während der andere Einschubschlitz 30 von einem Abdeckblech 27 verkleidet ist. Dadurch erhält man in beiden Fassadenseiten C, D jeweils eine Stossfuge 6 gleicher Breite. Das Abdeckblech 27 kann, wie die strichpunktierte Darstellung zeigt, verschiedene Formen aufweisen.FIG. 10 shows a horizontal section comparable to FIG. 9, but the two vertical profiles 23 shown in FIG. 9 are combined to form a single vertical profile 28. In the plane of the one facade side C, this has an insertion slot 25 which is open to the side for the vertical Z-flange 4a of a sheet metal plate 1 arranged in this one plane and in the plane of the other facade side D two insertion slots 29, 30 which are open to the side vertical U-flange 5a of a metal sheet 1 arranged in this other plane. In the exemplary embodiment according to FIG. 10, the U-flange 5a is inserted into the insertion slot 29, while the other insertion slot 30 is covered by a cover plate 27. As a result, a butt joint 6 of the same width is obtained in each of the two facade sides C, D. As the dash-dotted representation shows, the cover plate 27 can have various shapes.

Bei der in Figur 11 dargestellten Ausführungsform findet das gleiche Vertikalprofil 28 Verwendung. Jedoch wird hier der U-Flansch 5a in den Einschubschlitz 30 eingeschoben, während der Z-Flansch 4a eine verringerte Breite aufweist. Dadurch erhält man in der Fassadenseite C nur eine sehr schmale Stossfuge 6, in der Fassadenseite D aber überhaupt keine Stossfuge im Eckbereich. Auch hier lässt sich die Stossfuge 6 in der Fassadenseite C durch entsprechende Verbreiterung des Z-Flansches 4a verbreitern.The same vertical profile 28 is used in the embodiment shown in FIG. However, here the U flange 5a is inserted into the insertion slot 30, while the Z flange 4a has a reduced width. As a result, only a very narrow butt joint 6 is obtained in the facade side C, but in the facade side D there is no butt joint at all in the corner area. Here, too, the butt joint 6 in the facade side C can be widened by widening the Z flange 4a accordingly.

Um die Blechtafeln 1 gegen eine Horizontalverschiebung gegenüber der Unterkonstruktion zu sichern, können die in Figur 2 angedeuteten und vorstehend erläuterten Blechschrauben 9 vorgesehen sein. Als Alternativlösung wäre es aber auch möglich, statt dessen in der oberen Blechkante der Blechtafeln eine Einstauchung 9a vorzusehen (siehe gestrichelte Darstellung in Figur 2), gegen die einer der Bolzen 2 seitlich anliegt. Eine andere Lösung ist in Figur 3 gestrichelt dargestellt: Hier übergreift der Bolzen 2 mit einer Rille 2a eine entsprechende Einstauchung 9a bzw. einen entsprechend nach innen abgebogenen Rand der Blechtafel. Dabei könnte der Bolzen 2 anstelle der gestrichelt dargestellten Rille 2a auch in leichter Schräglage zur Fassadenebene eingebaut sein.In order to secure the metal sheets 1 against horizontal displacement relative to the substructure, the sheet metal screws 9 indicated in FIG. 2 and explained above can be provided. As an alternative solution, however, it would also be possible instead to provide an indentation 9a in the upper sheet metal edge of the sheet metal sheets (see dashed illustration in FIG. 2), against which one of the bolts 2 rests laterally. Another solution is shown in dashed lines in FIG. 3: Here, the bolt 2 with a groove 2a engages over a corresponding indentation 9a or a correspondingly inwardly bent edge of the metal sheet. In this case, the bolt 2 could also be installed in a slightly inclined position to the facade level instead of the groove 2a shown in dashed lines.

Claims (17)

1. Facade cladding with sub-construction, consisting of metal sheets (1) folded towards the sub-construction at their vertical edges, which metal sheets hang at their upper edges on bolts (2) or the like, which are fixed in vertical sections (3) of the sub-construction, wherein each metal sheet (1) has a Z-shaped double bend (4) on its upper horizontal edge and a U-shaped double bend (5) on its lower horizontal edge, and wherein, with two metal sheets (1) lying vertically one above the other in the same facade plane, the free flange of the Z-shaped double bend (Z-flange 4a) of the lower metal sheet (1) engages under the free flange of the U-shaped double bend (U-flange 5a) of the upper metal sheet (1), and forms the bottom of an open horizontal joint (6), and between each metal sheet (1) and the sub-construction a securement against horizontal displacement is provided, characterized by the following features:
a) each metal sheet (1) has on its one vertical edge a Z-shaped double bend (4) and on its other vertical edge a U-shaped double bend (5);
b) the vertical sections (3) of the sub-construction comprise a push-in slot (7) open to the side, into which are pushed each of the vertical Z- and U-flanges (4a, 5a) of two metal sheets (1) lying horizontally adjacent in the same facade plane, wherein the Z-flange (4a) engaging under the U-flange (5a) forms the bottom of an open vertical joint (6);
c) each metal sheet (1) lies with its upper edge (8) folded towards the facade plane on the bolts (2) or the like projecting from the sub-construction.
2. Facade cladding according to claim 1, characterized in that, for each metal sheet (1) not arranged at the edge of a facade plane, the height (z) of the Z-flange (4a) is greater than the height (u) of the U-flange (5a).
3. Facade cladding according to claim 1 or 2, characterized in that the securement against horizontal displacement is formed by self-tapping screws (9) which are screwed through the metal sheet (1) into the vertical sections (3).
4. Facade cladding according to claim 3, characterized in that the through-holes in the metal sheet (1) for the self-tapping screws (9) are formed as vertical slots (10).
5. Facade cladding according to one of the preceding claims, characterized in that two bolts (2) or the like are provided for each metal sheet (1), which bolts are retained in the two neighbouring vertical sections (3) of the sub-construction.
6. Facade cladding according to one of the preceding claims, characterized in that the bolts (2) or the like can be pressed in against the action of a spring (11) flush in the surface of the corresponding vertical (3) of the sub-construction.
7. Facade cladding according to one of the preceding claims, characterized in that the vertical section (3) of the sub-construction is formed approximately U-shaped in cross-section, both U-arms being formed by box sections (13) while the U-web (14) forms the push-in slot (7) in conjunction with a short parallel web (15).
8. Facade cladding according to claim 7, characterized in that the U-web (14) and parallel web (15) each have a chamfer (16).
9. Facade cladding according to claim 7 or 8, characterized in that each box section (13) of the vertical section (3) has a continuous vertical slot (17) in its side wall facing the adjacent vertical section and forms the mounting for the bolts (2) as well as the holder for the fixing to the building member.
10. Facade cladding according to claim 6, 7, 8 or 9, characterized in that the spring (11) is bowed in leaf-form, interlocks with its middle section (18) in an annular groove (19) of the bolt (2) and bears with its ends on one web (20) of the vertical section (3) of the sub-construction.
11. Facade cladding according to claim 8, characterized in that the spring (11) is bent from a steel wire.
12. Facade cladding according to one of claims 6 to 11, characterized in that, in the region of the crossing point of four metal sheets (1) there is provided in the vertical section (3) of the sub-construction an opening (21) for the passage of a tool pressing in the adjacent bolts (2) or the like, and in that the vertical Z-flange (4a) of each metal sheet (1) has a cut-out (22) exposing this opening (21).
13. Facade cladding according to one of the preceding claims, characterized in that the sub-construction consists in the edge or corner region of the facade of a vertical section (23) which is formed approximately U-shaped in cross-section, the outer lying U-arm (24) forming the edge or corner connection, the inner lying U-arm forming a box-section (13) and the U-web (14) forming a push-in slot (25) for the vertical Z-flange (4a) of a metal sheet (1) in conjunction with a short parallel web (15).
14. Facade cladding according to claim 13, characterized in that the outer lying U-arms (24) of the two vertical sections (23) together forming a corner region are connected together by an angle bracket (26).
15. Facade cladding acording to claim 14, characterized in that the angle bracket (26) is covered with a metal cover sheet (27).
16. Facade cladding according to one of claims 1 to 12, characterized in that the sub-construction in the corner region formed between two facade sides (C, D) consists of a vertical section (28) which has in the plane of the one facade side (C) a push-in slot (25) open to the side for the vertical Z-flange (4a) of a metal sheet (1) arranged in this one plane and in the plane of the other facade side (D) at least one push-in slot (29, 30) open to the side for the vertical U-flange (5a) of a metal sheet (1) arranged in this other plane.
EP84102272A 1983-04-02 1984-03-02 Façade covering with a sub-construction Expired EP0121120B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102272T ATE36184T1 (en) 1983-04-02 1984-03-02 FAÇADE COVERING WITH SUBSTRUCTURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3312150A DE3312150A1 (en) 1983-04-02 1983-04-02 Facade cladding with substructure
DE3312150 1983-04-02

Publications (3)

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EP0121120A2 EP0121120A2 (en) 1984-10-10
EP0121120A3 EP0121120A3 (en) 1986-10-15
EP0121120B1 true EP0121120B1 (en) 1988-08-03

Family

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EP84102272A Expired EP0121120B1 (en) 1983-04-02 1984-03-02 Façade covering with a sub-construction

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EP (1) EP0121120B1 (en)
AT (1) ATE36184T1 (en)
DE (2) DE3312150A1 (en)
DK (1) DK158484A (en)

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DE3546145A1 (en) * 1985-12-30 1987-07-02 Ingenium Ing Gmbh Bau Kg Curtain-wall structure
US4866896A (en) * 1988-04-26 1989-09-19 Construction Specialties, Inc. Panel wall system
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DE4218413C2 (en) * 1992-06-04 1994-06-16 Boos & Hahn Licht Form Farbe G Device for fastening plate-shaped facade elements
ATE169711T1 (en) * 1994-05-16 1998-08-15 Ul Tech Ag PROFILE RAIL FOR FASTENING FLAT OBJECTS

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US1882529A (en) * 1931-03-02 1932-10-11 Emil F Thulin Covering for walls
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US3271918A (en) * 1964-06-16 1966-09-13 James A Phillips Inc Hanger assembly
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GB2080356B (en) * 1980-06-17 1984-02-01 Hunter Douglas Ind Bv Panelling and carriers therefor

Also Published As

Publication number Publication date
DE3312150A1 (en) 1984-10-11
ATE36184T1 (en) 1988-08-15
DE3473168D1 (en) 1988-09-08
EP0121120A3 (en) 1986-10-15
EP0121120A2 (en) 1984-10-10
DK158484D0 (en) 1984-03-19
DK158484A (en) 1984-10-03
DE3312150C2 (en) 1987-11-12

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