EP2404011B1 - Use of device for attaching facade elements - Google Patents

Use of device for attaching facade elements Download PDF

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Publication number
EP2404011B1
EP2404011B1 EP10701812A EP10701812A EP2404011B1 EP 2404011 B1 EP2404011 B1 EP 2404011B1 EP 10701812 A EP10701812 A EP 10701812A EP 10701812 A EP10701812 A EP 10701812A EP 2404011 B1 EP2404011 B1 EP 2404011B1
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EP
European Patent Office
Prior art keywords
embossing
web
holding web
elements
outer edge
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EP10701812A
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German (de)
French (fr)
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EP2404011A1 (en
Inventor
Alfons HÖRMANN
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Creaton AG
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Creaton AG
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Classifications

    • 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
    • E04F13/0801—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
    • E04F13/083—Hooking means on the back side of the 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
    • E04F13/0889—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 characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E04F13/0892—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 characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with means for aligning the outer surfaces of the 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
    • E04F13/14—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 stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/142—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 stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of ceramics or clays

Definitions

  • the present invention relates to the use of a device for fixing facade elements.
  • a visible attachment by means of clips or eyelets made of stainless steel or a non-visible attachment using the back attached to the facade elements attachment points or special plate anchoring attachments that engage a substructure.
  • the non-visible attachment is increasingly preferred.
  • ceramic facade panels of non-combustible building materials are used, which are attached to the substructure.
  • brackets for the facade elements known according to the preamble of claim 1.
  • the brackets consist of support profiles which can be fastened to a frame construction or a substrate.
  • the support profiles have a band-shaped central portion on which are provided symmetrically to the longitudinal axis of the support profile anchoring elements for receiving facade elements.
  • the anchor elements comprise a holding web and a broad support web, which are rigidly connected to each other.
  • the facade elements to be fastened thereto comprise a plate-shaped basic body which has a visible and a rear side with fastening elements arranged at the rear, which serve for non-visible attachment to the substructure, wherein at least two parallel to each other and arranged and integrally formed on the plate-shaped base body Fasteners are provided.
  • the anchor elements of the holder serve to engage in the fastening elements of the facade element.
  • the previously known facade elements and substructures are designed for facade elements with a maximum size of 600 mm x 1600 mm.
  • the breaking load of the facade elements is about 1500 Newton.
  • the DE 1 289 288 teaches a device for fixing wall and ceiling coverings.
  • the object of the present invention is to provide a holder for facade elements with a larger area, which does not deform or tear even under the higher wind load.
  • the anchoring elements attached to the support profiles form an embossment, wherein the embossing is provided at least in the region of the retaining web of the anchor element and wherein none of the outer edges of the embossing runs parallel to an outer edge of the retaining web.
  • the anchor elements are L-shaped in the form of a hook.
  • the embossing according to the invention should be provided at least in the region of the retaining web of the hook-shaped anchor element, preferably in the middle region of the retaining web and the outer edge of the embossment at an acute angle of less than 10 ° and preferably less than 5 ° to the outer edge of the retaining web should extend.
  • the embossing can be shaped differently.
  • the embossing may extend in the form of a straight line running at an acute angle to the outer edge of the holding web.
  • the embossing can also be angled, straight or curved or otherwise shaped, wherein again, none of the outer edges of the embossing should run parallel to an outer edge of the retaining web.
  • the embossing has a flat V-shape (roof-shaped).
  • the two legs of the "V" are preferably arranged at an obtuse angle, and the transition region is arcuate.
  • the one leg of the embossing preferably extends approximately centrally in the holding web at an acute angle to the outer edge and the other leg in the support web preferably parallel or not parallel, in particular at an acute angle to the outer edge.
  • the arrangement of the embossment in the support web is such that the outer edge of the embossment in the support web is not parallel to an edge of the support web.
  • the two legs of the V-shaped embossing can be both of the same and of different lengths.
  • the leg of the embossing running in the support web can also extend beyond the support web into the middle section or the side cheek of the profile, as a result of which a particularly high stability of the anchor element can be achieved.
  • the support web can be shaped differently, for example rectangular or trapezoidal, wherein the trapezoidal support web is particularly preferred due to its higher stability.
  • the embossment is preferably a one-sided depression that is rounded.
  • the embossing depth can vary and should be between 20% and 80% of the material thickness, with embossing depths between 50% and 70%, in particular of 60%, being particularly preferred. With a sheet thickness of 2.0 or 2.5 mm, the embossing depth is preferably about 1.2 to 1.5 mm.
  • the width of the embossing should be 0.1 to 0.8 times, preferably 0.3 to 0.65 times, the width of the holding web.
  • the embossing is preferably rounded.
  • the length of the embossment in the region extending at an acute angle to the outer edge of the holding web should be 0.3 to 0.8 times and in particular 0.5 to 0.7 times the length of the holding web.
  • the width of the retaining web of the hook-shaped anchor element should preferably be smaller than the width of the support web and be between 5 and 10 cm and preferably between 6 and 7 cm.
  • aluminum with a thickness of between 1.5 and 4 mm, preferably between 2.0 and 3.0 mm and particularly preferably from 2.0 to 2.5 mm.
  • the support profile is made of aluminum or aluminum alloy, on the one hand to have a low weight and on the other hand to meet the fire safety regulations.
  • a further improvement in the stability of the profile with the anchor element can be achieved by the selection of aluminum alloys.
  • Aluminum alloys which are preferred in the context of the invention are aluminum wrought alloys with the metals magnesium and / or manganese, in particular with a manganese content of 0.2 to 6.2%, in particular between 0.2 and 1.5% and a magnesium content between 0.5 and 8% and in particular between 3.5 and 5.5%, preferred.
  • the facade elements have on their rear side specially designed fastening elements of a support web and a retaining web, wherein the thickness of the retaining web corresponds approximately to the thickness of the facade element. Also, the thickness of the retaining web is greater than the distance between the facade element back and the inside of the retaining web, which also contributes to increased stability of the fasteners.
  • fastening elements which moreover can also be reinforced on the side of the support element facing away from the retaining element, fastening elements are provided which have breaking loads of more than 3000 N and thus double the previously known facade elements.
  • FIG. 1 is designed as a support section 12 formed U-shaped bracket for facade elements.
  • the support profile 12 is preferably made of an aluminum alloy such as AlMg 4.5 Mn 0.7 H24. This alloy is characterized by a particularly high stability with low weight.
  • the support profile 12 comprises a central portion 13 which extends along a longitudinal axis 14 of the support profile 12. Right and left close to the central portion 13 side cheeks 28, 29 at which Anchor elements 18 are formed, which serve to receive the facade elements. To increase the stability, the anchor elements 18 on the embossment 16 according to the invention, which in detail in FIG. 2 is shown.
  • the hook-shaped anchor elements 18 are L-shaped and comprise a trapezoidal support web 24 which is rigidly connected to the side wall 28, 29. In the transition region between the support web 24 and the side wall 28, 29, two notches 26a, 26b are provided on both sides of the support web, which serve to avoid notch effect and cracking.
  • a holding web 20 is formed on the cheek 28, 29 opposite side of the support bar 24, a holding web 20 is formed.
  • the retaining web 20 serves to engage behind the fastening element 50 on the facade element 51.
  • the hook end 19 of the holding web 20 is rounded.
  • Outer 21 and inner edge 22 of the retaining web 20 and outer edge 30 of the side wall 28, 29 are parallel to each other.
  • the anchor element 18 has the embossing 16 according to the invention, which extends substantially in the central zone 31 of the anchor element 18.
  • the outer side 25 of the embossment 16 in the holding web 20 is not parallel but at an acute angle ⁇ of in particular about 3 to 4 ° to the outer edge 21 of the holding web 20th
  • the outer side 22 of the embossment 16 in the support web 24 also extends at an acute angle ⁇ of in particular about 3 to 4 ° relative to the outer edge 23 of the support web 24th
  • the embossment 16 is V-shaped, wherein the two legs of the "V" form an obtuse angle ⁇ of about 120 °, the transition region is formed arcuate / curved.
  • the embossing depth is about 1.2 to 1.5 mm for a thickness of the aluminum sheet of 2.0 to 2.5 mm.
  • both legs of the embossing 16 are the same length.
  • the leg extending in the support web 24 may be longer and extend into the cheek 28 or the middle section 28, 29.
  • FIG. 1 illustrated support section 12 has a plurality of pairs of armature elements 18, 18 ', which are advantageously identical.
  • Each pair of anchor elements 18 is arranged at the same height on both sides of the two side cheeks 28, 29. At a certain distance are below the first pair of anchor elements 18 more pairs of anchor elements 18 '.
  • the angle between side cheeks 28, 29 and central portion 13 is preferably 90 °, but it may also be greater or less than 90 °.
  • the support profile 12 is fixed by abutment of the rear side of the central portion 13 on an outer wall or Um drawnswand or a frame structure via known fastening means, such as a screw, rivets or the like.
  • Cups 40 may be provided between the anchor elements 18, 18 'provided on each side wall 28, 29, which serve to fasten a joint profile 45.
  • the cup bottom 41 is marked further inward than corresponds to the escape of the outer edge 30 of the side edge 28, 29. This results in a relation to the outer edge 30 lowered, but parallel to it cup receiving surface 42, the recording of joint profiles 45, which in the DE 102 48 597 A1 are described in more detail serve.
  • the joint profile 45 the outwardly open U-profile 12 is covered by the joint profile 45 is placed between the two side walls 28, 29 on the Napftrage Jerusalem 42.
  • the joint profile consists of a sheet-metal strip, which is folded back on both sides by an edge bend at an angle of almost 180 ° as a spring strip on itself (see. FIG. 4 ).
  • the joint profile 45 is placed on the support section 12, and the anchor elements 18 are partially hung facade elements 51.
  • the joint profile 45 serves to space the hinged facade elements 51 and to seal the joint 60 lying between the facade elements 51.
  • the facade elements 51 rest on the joint profile 45 under a slight bias.
  • the joint profile 45 includes spring tongues 46, which serve as dismantling safety.
  • FIG. 5 shows the engagement of the anchor elements 18 of the support section 12 to the fastening elements 50 of the facade element 51.
  • the single-shell facade tile 51 has a smooth front 52 and a back 53, are arranged on the fasteners 50 in parallel to each other extending rows with each other.
  • Each fastening element 50 is hook-shaped and extends over the entire width of the rear side of the facade element.
  • individual fastening means 50 may be provided on the rear side 53 of the facade element 51.
  • the fastening elements 50 of the facade element 51 are hook-shaped and likewise have a support web 54 and a retaining web 55.
  • the fasteners 50 of this large-scale facade elements have been improved according to the invention to the effect that tearing off of the fasteners 50 is prevented even under higher wind loads.
  • the support web 54 has the shape of an inclined trapezium, and the outer edge 59 of the support web 54 is reinforced to counteract a notch effect.
  • facade elements with the improved fasteners have breaking loads above 3000 N and thus about twice as the previously known facade elements.
  • the anchor elements 18 of the support profile 12 engage with their retaining webs 20 in the located on the back 53 of the facade element 51 recess 61 between the back 53 of the facade element 51 and the inside 58 of the retaining web 55th
  • the outer side 21 of the retaining web 20 of the anchor element 18 rests against the rear side 53 of the facade element 51 and the inner side 58 of the retaining web 55 of the facade element 51 on the inner side of the retaining web 20 of the anchor element 18.
  • FIGS. 6 and 7 An alternative embodiment of the holder with the invention embossed hook is in the FIGS. 6 and 7 shown. Instead, no side cheeks 28, 29 are provided in this alternative profile 72. Instead, anchor elements 18 with the embossing 16 according to the invention are integrally formed laterally on the middle section 73, wherein the anchor elements 18 are bent at right angles relative to the middle section 73. This profile is particularly suitable for low construction heights.
  • the anchor elements 18 have the embossing 16 according to the invention described above in detail, which likewise extends in a V-shape in the retaining web 20 and the support web 24 of the anchor element 18.
  • a compression spring 74 is attached, which ensures a tight fit of the hinged facade elements and a later disassembly of the facade element prevented.
  • This compression spring 74 is preferably connected to the profile 72 by clinching.
  • the production of the profiles is carried out by simultaneous punching and embossing of the embossing and - in the first preferred embodiment - the wells. Subsequently, the anchor elements or the side walls are reshaped with the anchor elements.
  • the joint profiles can be plugged in the case of the first preferred embodiment of the profile with the side cheeks or be clinched in the case of the profile without side cheeks on the central portion.
  • FIG. 2 The better carrying capacity of the hook-shaped anchor elements according to the invention FIG. 2 is substantiated by the following comparative experiments.
  • the verification of the carrying capacity was carried out by determining the wind suction stress of the various anchor elements. All investigated anchor elements were equally shaped and of the same material thickness (2 mm). The test was carried out at a test speed of 5 mm / min and a distance of 9 mm.
  • the tests carried out prove that the failure load of the tested hooks can be increased by the embossing according to the invention and by the selection of a suitable aluminum alloy.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Finishing Walls (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Connection Of Plates (AREA)

Description

Die vorliegende Erfindung betrifft die Verwendung einer Vorrichtung zur Befestigung von Fassadenelementen.The present invention relates to the use of a device for fixing facade elements.

Bei vorgehängten, hinterlüfteten Bekleidungen sind zwei prinzipielle Möglichkeiten zur Aufnahme von Plattenelementen bekannt, eine sichtbare Befestigung mittels Klipsen oder Ösen aus nicht rostendem Stahl oder eine nicht sichtbare Befestigung mit Hilfe rückseitig an den Fassadenelementen aufgebrachten Befestigungspunkten oder speziellen Plattenankerbefestigungen, die an einer Unterkonstruktion angreifen. Aus ästhetischen Gründen wird zunehmend die nicht sichtbare Befestigung bevorzugt. Hierfür werden zumeist keramische Fassadenplatten aus nicht brennbaren Baustoffen eingesetzt, die an der Unterkonstruktion befestigt werden.For curtain, ventilated cladding two principal ways to accommodate plate elements are known, a visible attachment by means of clips or eyelets made of stainless steel or a non-visible attachment using the back attached to the facade elements attachment points or special plate anchoring attachments that engage a substructure. For aesthetic reasons, the non-visible attachment is increasingly preferred. For this purpose, mostly ceramic facade panels of non-combustible building materials are used, which are attached to the substructure.

Aus der DE 198 05 913 A1 ist die Verwendung eines Fassadenelementes und Halterungen für die Fassadenelemente bekannt gemäß den Oberbegriff des Anspruches 1. Die Halterungen bestehen aus Tragprofilen, die an einer Rahmenkonstruktion oder einem Untergrund befestigbar sind. Die Tragprofile weisen einen bandförmigen Mittelabschnitt auf, an dem symmetrisch zur Längsachse des Tragprofils Ankerelemente zur Aufnahme von Fassadenelementen vorgesehen sind. Die Ankerelemente umfassen einen Haltesteg und einen breiten Stützsteg, die starr miteinander verbunden sind.From the DE 198 05 913 A1 is the use of a facade element and brackets for the facade elements known according to the preamble of claim 1. The brackets consist of support profiles which can be fastened to a frame construction or a substrate. The support profiles have a band-shaped central portion on which are provided symmetrically to the longitudinal axis of the support profile anchoring elements for receiving facade elements. The anchor elements comprise a holding web and a broad support web, which are rigidly connected to each other.

Die hieran zu befestigenden Fassadenelemente umfassen einen plattenförmigen Grundkörper, der eine Sicht- und eine Rückseite aufweist mit an der Rückseite angeordneten Befestigungselementen, die zur nicht sichtbaren Befestigung an der Unterkonstruktion dienen, wobei mindestens zwei parallel zu einander beabstandete und angeordnete und einstückig am plattenförmigen Grundkörper angeformte Befestigungselemente vorgesehen sind.The facade elements to be fastened thereto comprise a plate-shaped basic body which has a visible and a rear side with fastening elements arranged at the rear, which serve for non-visible attachment to the substructure, wherein at least two parallel to each other and arranged and integrally formed on the plate-shaped base body Fasteners are provided.

Die Ankerelemente der Halterung dienen dazu, in die Befestigungselemente des Fassadenelements einzugreifen.The anchor elements of the holder serve to engage in the fastening elements of the facade element.

Die bislang bekannten Fassadenelemente und Unterkonstruktionen sind auf Fassadenelemente mit einer Größe von maximal 600 mm x 1600 mm ausgelegt. Die Bruchlast der Fassadenelemente beträgt etwa 1500 Newton.The previously known facade elements and substructures are designed for facade elements with a maximum size of 600 mm x 1600 mm. The breaking load of the facade elements is about 1500 Newton.

Aus ästhetischen Gründen, und auch zur Reduzierung der im Zusammenhang mit der Installation der Fassade erforderlichen Arbeitszeit werden zunehmend größere Fassadenelemente gewünscht.For aesthetic reasons, and also to reduce the time required in connection with the installation of the facade increasingly larger facade elements are desired.

Eine Erhöhung der Fläche der Fassadenelemente unter Beibehaltung der Konstruktion der Fassadenelemente und Unterkonstruktion führt jedoch aufgrund der daraus resultierenden größeren Windangriffsfläche und den damit verbundenen höheren Windkräften wie Winddruck und Windsog dazu, dass sich die Ankerelemente an den Tragprofilen verformen oder abbrechen und/oder gar die Befestigungselemente an den Fassadenelementen abbrechen.An increase in the surface of the facade elements while maintaining the construction of the facade elements and substructure, however, due to the resulting larger windage surface and the associated higher wind forces such as wind pressure and wind suction that deform the anchor elements on the support profiles or break off and / or even break off the fastening elements on the facade elements.

Aus der DE 100 17 638 A1 ist weiterhin eine Vorrichtung zum Befestigen von C-förmigen Tragteilen an Walzstahlprofilen bekannt, bei dem im Bereich der Klemmlaschen längslaufende und über Bogenstücke bis in die Federschenkel hineinlaufende Versteifungssicken eingeprägt sind, wobei die Einprägung parallel der Außenseiten der Klemmlasche verläuft.From the DE 100 17 638 A1 Furthermore, a device for fixing C-shaped supporting parts to rolled steel profiles is known, in which in the region of the clamping straps longitudinal and extending over elbows into the spring legs stiffening beads are embossed, wherein the indentation extends parallel to the outer sides of the clamping plate.

Die DE 1 289 288 lehrt eine Vorrichtung zur Befestigung von Wand- und Deckenverkleidungen.The DE 1 289 288 teaches a device for fixing wall and ceiling coverings.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Halterung für Fassadenelemente mit einer größeren Fläche anzugeben, die sich auch unter der höheren Windlast nicht verformt oder reißt.The object of the present invention is to provide a holder for facade elements with a larger area, which does not deform or tear even under the higher wind load.

Diese Aufgabe wird hinsichtlich der Verwendung einer Vorrichtung durch die Merkmale des Anspruchs 1 gelöst.This object is achieved with regard to the use of a device by the features of claim 1.

Erfindungsgemäß welsen die an den Tragprofilen befestigten Ankerelemente eine Prägung auf, wobei die Prägung wenigstens im Bereich des Haltestegs des Ankerelements vorgesehen ist und wobei keine der Außenkanten der Prägung parallel zu einer Außenkante des Haltestegs verläuft. Durch diese ungewöhnliche Anordnung der Prägung in dem Haltesteg kann erstaunlicherweise eine Erhöhung der Versagenslast bei Windbeanspruchung erzielt werden, so dass an den erfindungsgemäßen Tragprofilen größere Fassadenelemente befestigbar sind, beispielsweise Fassadenelemente mit einer Länge von 1600 bis 2000 mm.According to the invention, the anchoring elements attached to the support profiles form an embossment, wherein the embossing is provided at least in the region of the retaining web of the anchor element and wherein none of the outer edges of the embossing runs parallel to an outer edge of the retaining web. By this unusual arrangement of the embossing in the retaining web, an increase in the failure load under wind stress can be achieved surprisingly, so that larger facade elements can be fastened to the supporting profiles according to the invention, for example facade elements with a length of 1600 to 2000 mm.

Die Ankerelemente sind L-förmig in Form eines Hakens geformt.The anchor elements are L-shaped in the form of a hook.

Die erfindungsgemäße Prägung sollte wenigstens im Bereich des Haltestegs des hakenförmigen Ankerelements vorgesehen sein, wobei sie sich vorzugsweise im mittleren Bereich des Haltestegs und sich die Außenkante der Prägung unter einem spitzen Winkel von weniger als 10° und vorzugsweise weniger als 5° zu der Außenkante des Haltestegs erstrecken sollte.The embossing according to the invention should be provided at least in the region of the retaining web of the hook-shaped anchor element, preferably in the middle region of the retaining web and the outer edge of the embossment at an acute angle of less than 10 ° and preferably less than 5 ° to the outer edge of the retaining web should extend.

Die Prägung kann unterschiedlich geformt sein. Zum einen kann sich die Prägung in Form einer geraden, zu der Außenkante des Haltestegs unter einem spitzen Winkel verlaufenden Linie erstrecken. Zum anderen kann die Prägung auch winklig, gerade oder gebogen oder anders geformt verlaufen, wobei wiederum keine der Außenkanten der Prägung parallel zu einer Außenkante des Haltestegs verlaufen sollte.The embossing can be shaped differently. On the one hand, the embossing may extend in the form of a straight line running at an acute angle to the outer edge of the holding web. On the other hand, the embossing can also be angled, straight or curved or otherwise shaped, wherein again, none of the outer edges of the embossing should run parallel to an outer edge of the retaining web.

In einer besonders bevorzugten Ausführungsform weist die Prägung eine flache V-Form auf (dachförmig). Die beiden Schenkel des "V" sind vorzugsweise in einem stumpfen Winkel angeordnet, und der Übergangsbereich ist bogenförmig. Der eine Schenkel der Prägung verläuft dabei vorzugsweise etwa mittig in dem Haltesteg in einem spitzen Winkel zu der Außenkante und der andere Schenkel in dem Stützsteg vorzugsweise parallel oder nicht parallel, insbesondere unter einem spitzen Winkel zu dessen Außenkante.In a particularly preferred embodiment, the embossing has a flat V-shape (roof-shaped). The two legs of the "V" are preferably arranged at an obtuse angle, and the transition region is arcuate. The one leg of the embossing preferably extends approximately centrally in the holding web at an acute angle to the outer edge and the other leg in the support web preferably parallel or not parallel, in particular at an acute angle to the outer edge.

Vorzugsweise ist auch die Anordnung der Prägung in dem Stützsteg derart, dass die Außenkante der Prägung im Stützsteg nicht parallel zu einer Kante des Stützstegs verläuft.Preferably, the arrangement of the embossment in the support web is such that the outer edge of the embossment in the support web is not parallel to an edge of the support web.

Durch die erfindungsgemäße asymmetrische Anordnung der Prägung wird eine asymmetrische Verdichtung des Materials zum Hakenrand bewirkt, die in Beanspruchung den Momentenverlauf positiv beeinflusst.Due to the asymmetric arrangement of the embossing according to the invention, an asymmetrical compression of the material to the hook edge is effected, which positively influences the torque curve when in use.

Die beiden Schenkel der V-förmigen Prägung können dabei sowohl von gleicher als auch von verschiedener Länge sein.The two legs of the V-shaped embossing can be both of the same and of different lengths.

Bei verschieden langen Schenkeln kann sich der im Stützsteg verlaufende Schenkel der Prägung auch über den Stützsteg hinaus in den Mittelabschnitt oder die Seitenwange des Profils erstrecken, wodurch eine besonders hohe Stabilität des Ankerelements erzielt werden kann.For legs of different lengths, the leg of the embossing running in the support web can also extend beyond the support web into the middle section or the side cheek of the profile, as a result of which a particularly high stability of the anchor element can be achieved.

Der Stützsteg kann unterschiedlich geformt sein, beispielsweise rechteckig oder trapezförmig, wobei der trapezförmige Stützsteg infolge seiner höheren Stabilität besonders bevorzugt ist.The support web can be shaped differently, for example rectangular or trapezoidal, wherein the trapezoidal support web is particularly preferred due to its higher stability.

Die Prägung ist vorzugsweise eine einseitige Vertiefung, die abgerundet ist. Die Prägetiefe kann variieren und sollte zwischen 20 % und 80 % der Materialdicke betragen, wobei Prägetiefen zwischen 50 % und 70%, insbesondere von 60 %, besonders bevorzugt sind, Bei einer Blechdicke von 2,0 oder 2,5 mm beträgt die Prägetiefe vorzugsweise etwa 1,2 bis 1,5 mm.The embossment is preferably a one-sided depression that is rounded. The embossing depth can vary and should be between 20% and 80% of the material thickness, with embossing depths between 50% and 70%, in particular of 60%, being particularly preferred. With a sheet thickness of 2.0 or 2.5 mm, the embossing depth is preferably about 1.2 to 1.5 mm.

Die Breite der Prägung sollte das 0,1- bis 0,8-fache, vorzugsweise das 0,3- bis 0,65-fache, der Breite des Haltestegs betragen.The width of the embossing should be 0.1 to 0.8 times, preferably 0.3 to 0.65 times, the width of the holding web.

Die Prägung ist vorzugsweise gerundet.The embossing is preferably rounded.

Die Länge der Prägung in dem unter einem spitzen Winkel zu der Außenkante des Haltestegs verlaufenden Bereich sollte das 0,3- bis 0,8-fache und insbesondere das 0,5- bis 0,7-fache der Länge des Haltestegs betragen.The length of the embossment in the region extending at an acute angle to the outer edge of the holding web should be 0.3 to 0.8 times and in particular 0.5 to 0.7 times the length of the holding web.

Die Breite des Haltestegs des hakenförmigen Ankerelements sollte vorzugsweise geringer als die Breite des Stützstegs sein sowie zwischen 5 und 10 cm und vorzugsweise zwischen 6 und 7 cm betragen.The width of the retaining web of the hook-shaped anchor element should preferably be smaller than the width of the support web and be between 5 and 10 cm and preferably between 6 and 7 cm.

Zur Herstellung der Profile und Haken kann im Allgemeinen Aluminium mit einer Dicke zwischen 1,5 und 4 mm verwendet werden, vorzugsweise zwischen 2,0 und 3,0 mm und besonders bevorzugt von 2,0 bis 2,5 mm.For the production of the profiles and hooks, it is generally possible to use aluminum with a thickness of between 1.5 and 4 mm, preferably between 2.0 and 3.0 mm and particularly preferably from 2.0 to 2.5 mm.

Prinzipiell besteht die Möglichkeit, die Stabilität der Profile und Haken weiter durch Tempern zu erhöhen.In principle, it is possible to further increase the stability of the profiles and hooks by tempering.

Das Tragprofil wird aus Aluminium oder Aluminiumlegierung hergestellt, um einerseits ein geringes Gewicht aufzuweisen und andererseits den Brandschutzbestimmungen zu genügen.The support profile is made of aluminum or aluminum alloy, on the one hand to have a low weight and on the other hand to meet the fire safety regulations.

Eine weitere Verbesserung der Stabilität des Profils mit dem Ankerelement kann durch die Auswahl der Aluminiumlegierungen erreicht werden. Im Rahmen der Erfindung bevorzugte Aluminiumlegierungen sind Aluminium-Knetlegierungen mit den Metallen Magnesium und/oder Mangan, insbesondere mit einem Mangangehalt von 0,2 bis 6,2 %, insbesondere zwischen 0,2 und 1,5 % und einem Magnesiumgehalt zwischen 0,5 und 8% und insbesondere zwischen 3,5 und 5,5 %, bevorzugt.A further improvement in the stability of the profile with the anchor element can be achieved by the selection of aluminum alloys. Aluminum alloys which are preferred in the context of the invention are aluminum wrought alloys with the metals magnesium and / or manganese, in particular with a manganese content of 0.2 to 6.2%, in particular between 0.2 and 1.5% and a magnesium content between 0.5 and 8% and in particular between 3.5 and 5.5%, preferred.

Besonders gute Ergebnisse wurden im Rahmen der vorliegenden Erfindung mit AlMg4,5Mn0,7, insbesondere AlMg4,5Mn0,7H24, erzielt.Particularly good results were achieved in the context of the present invention with AlMg 4.5 Mn 0.7 , in particular AlMg 4.5 Mn 0.7 H24.

Die Fassadenelemente weisen an ihrer Rückseite speziell ausgebildete Befestigungselemente aus einem Stützsteg und einem Haltesteg auf, wobei die Dicke des Haltestegs in etwa der Dicke des Fassadenelements entspricht. Auch ist die Dicke des Haltestegs größer als der Abstand zwischen der Fassadenelementrückseite und der Innenseite des Haltestegs, was zusätzlich zu einer erhöhten Stabilität der Befestigungselemente beiträgt.The facade elements have on their rear side specially designed fastening elements of a support web and a retaining web, wherein the thickness of the retaining web corresponds approximately to the thickness of the facade element. Also, the thickness of the retaining web is greater than the distance between the facade element back and the inside of the retaining web, which also contributes to increased stability of the fasteners.

Mit diesen erfindungsgemäßen Befestigungselementen, die zudem auch noch auf der dem Halteelement abgewandten Seite des Stützelements verstärkt sein können, werden Befestigungselemente bereitgestellt, die Bruchlasten über 3000 N und somit das Doppelte wie die bislang bekannten Fassadenelemente aufweisen.With these fastening elements according to the invention, which moreover can also be reinforced on the side of the support element facing away from the retaining element, fastening elements are provided which have breaking loads of more than 3000 N and thus double the previously known facade elements.

Die Erfindung sowie weitere vorteilhafte Ausführungsformen und Weiterbildungen derselben werden im Folgenden anhand der in den Zelchnungen dargestellten Beispiele näher beschrieben und erläutert. Die der Beschreibung und den Zeichnungen zu entnehmenden Merkmale können einzeln für sich oder zu mehreren in beliebiger Kombination erfindungsgemäß angewandt werden. Es zeigen:

Figur 1:
eine perspektivische Darstellung einer Halterung für ein Fassadenelement,
Figur 2:
eine Detailansicht eines Hakens mit Prägung aus Figur 1,
Figur 3:
eine perspektivische Ansicht eines Tragprofils mit Fugenprofil und eingehängtem Fassadenelement,
Figur 4:
eine Draufsicht auf das Fugenprofil 45 mit Tragprofil 12,
Figur 5:
eine Seitenansicht von in Tragprofilen eingehängten Fassadenelementen,
Figur 6:
eine zweite Ausführungsform einer Halterung für das Fassadenelement mit direkt an dem Mittelabschnitt angeordneten Ankerelementen und
Figur 7:
die Seitenansicht auf das Tragprofil der zweiten Ausführungsform aus Figur 6 mit Druckfeder.
The invention as well as further advantageous embodiments and developments thereof are described below with reference to the figures illustrated examples described and explained. The features to be taken from the description and the drawings can be applied individually according to the invention individually or in combination in any combination. Show it:
FIG. 1:
a perspective view of a holder for a facade element,
FIG. 2:
a detailed view of a hook with embossing off FIG. 1 .
FIG. 3:
a perspective view of a support profile with joint profile and hinged facade element,
FIG. 4:
a top view of the joint profile 45 with support profile 12,
FIG. 5:
a side view of suspended in supporting profiles facade elements,
FIG. 6:
a second embodiment of a holder for the facade element with directly on the central portion arranged anchor elements and
FIG. 7:
the side view of the support profile of the second embodiment FIG. 6 with compression spring.

In Figur 1 ist eine als Tragprofil 12 ausgebildete U-förmige Halterung für Fassadenelemente dargestellt. Das Tragprofil 12 ist bevorzugt aus einer Aluminiumlegierung wie beispielsweise AlMg4,5Mn0,7H24. Diese Legierung zeichnet sich bei geringem Gewicht durch eine besonders hohe Stabilität aus.In FIG. 1 is designed as a support section 12 formed U-shaped bracket for facade elements. The support profile 12 is preferably made of an aluminum alloy such as AlMg 4.5 Mn 0.7 H24. This alloy is characterized by a particularly high stability with low weight.

Das Tragprofil 12 umfasst einen Mittelabschnitt 13, der sich entlang einer Längsachse 14 des Tragprofils 12 erstreckt. Rechts und links schließen sich an den Mittelabschnitt 13 Seitenwangen 28, 29 an, an denen Ankerelemente 18 angeformt sind, die der Aufnahme der Fassadenelemente dienen. Zur Erhöhung der Stabilität weisen die Ankerelemente 18 die erfindungsgemäße Prägung 16 auf, die im Detail in Figur 2 dargestellt ist.The support profile 12 comprises a central portion 13 which extends along a longitudinal axis 14 of the support profile 12. Right and left close to the central portion 13 side cheeks 28, 29 at which Anchor elements 18 are formed, which serve to receive the facade elements. To increase the stability, the anchor elements 18 on the embossment 16 according to the invention, which in detail in FIG. 2 is shown.

Die hakenförmigen Ankerelemente 18 sind L-förmig ausgebildet und umfassen einen trapezförmigen Stützsteg 24, der mit der Seitenwange 28, 29 starr verbunden ist. Im Übergangsbereich zwischen dem Stützsteg 24 und der Seitenwange 28, 29 sind beidseitig des Stützstegs zwei Kerben 26a, 26b vorgesehen, die dazu dienen, Kerbwirkung und Rissbildung zu vermeiden.The hook-shaped anchor elements 18 are L-shaped and comprise a trapezoidal support web 24 which is rigidly connected to the side wall 28, 29. In the transition region between the support web 24 and the side wall 28, 29, two notches 26a, 26b are provided on both sides of the support web, which serve to avoid notch effect and cracking.

Auf der der Wange 28, 29 gegenüberliegenden Seite des Stützstegs 24 ist ein Haltesteg 20 angeformt. Der Haltesteg 20 dient dazu, das Befestigungselement 50 an dem Fassadenelement 51 zu hintergreifen. Das Hakenende 19 des Haltestegs 20 ist gerundet. Außen- 21 und Innenkante 22 des Haltestegs 20 und Außenkante 30 der Seitenwange 28, 29 verlaufen parallel zu einander.On the cheek 28, 29 opposite side of the support bar 24, a holding web 20 is formed. The retaining web 20 serves to engage behind the fastening element 50 on the facade element 51. The hook end 19 of the holding web 20 is rounded. Outer 21 and inner edge 22 of the retaining web 20 and outer edge 30 of the side wall 28, 29 are parallel to each other.

Zur Versteifung weist das Ankerelement 18 die erfindungsgemäße Prägung 16 auf, die sich im Wesentlichen in der Mittelzone 31 des Ankerelements 18 erstreckt. Die Außenseite 25 der Prägung 16 im Haltesteg 20 verläuft nicht parallel sondern unter einem spitzen Winkel γ von insbesondere etwa 3 bis 4° zu der Außenkante 21 des Haltestegs 20.For reinforcement, the anchor element 18 has the embossing 16 according to the invention, which extends substantially in the central zone 31 of the anchor element 18. The outer side 25 of the embossment 16 in the holding web 20 is not parallel but at an acute angle γ of in particular about 3 to 4 ° to the outer edge 21 of the holding web 20th

Die Außenseite 22 der Prägung 16 im Stützsteg 24 verläuft ebenfalls unter einem spitzen Winkel δ von insbesondere etwa 3 bis 4° gegenüber der Außenkante 23 des Stützstegs 24.The outer side 22 of the embossment 16 in the support web 24 also extends at an acute angle δ of in particular about 3 to 4 ° relative to the outer edge 23 of the support web 24th

Durch den spitzwinkligen Verlauf der Außenkanten 22, 25 der Prägung zu den Außenkanten 21, 23 der Stege 20, 24 wird eine asymmetrische Verdichtung des Materials zum Hakenrand erreicht.Due to the acute-angled course of the outer edges 22, 25 of the embossing to the outer edges 21, 23 of the webs 20, 24 an asymmetrical compression of the material is achieved to the hook edge.

Die Prägung 16 ist V-förmig, wobei die beiden Schenkel des "V" einen stumpfen Winkel ε von etwa 120° bilden, dessen Übergangsbereich bogenförmig/gekrümmt ausgebildet ist. Die Prägetiefe beträgt bei einer Dicke des Aluminiumblechs von 2,0 bis 2,5 mm etwa 1,2 bis 1,5 mm.The embossment 16 is V-shaped, wherein the two legs of the "V" form an obtuse angle ε of about 120 °, the transition region is formed arcuate / curved. The embossing depth is about 1.2 to 1.5 mm for a thickness of the aluminum sheet of 2.0 to 2.5 mm.

In der in Figur 2 dargestellten Ausführungsform sind beide Schenkel der Prägung 16 gleich lang.In the in FIG. 2 illustrated embodiment, both legs of the embossing 16 are the same length.

In einer Variante, die sich durch eine höhere Steifigkeit auszeichnet, kann der im Stützsteg 24 verlaufende Schenkel jedoch länger sein und bis in die Wange 28 oder den Mittelabschnitt 28, 29 hinein verlaufen.In a variant which is characterized by a higher rigidity, however, the leg extending in the support web 24 may be longer and extend into the cheek 28 or the middle section 28, 29.

Das in Figur 1 dargestellte Tragprofil 12 weist mehrere Paare von Ankerelementen 18, 18' auf, die vorteilhafterweise identisch ausgebildet sind. Ein jedes Paar von Ankerelementen 18 ist auf gleicher Höhe beidseitig an den beiden Seitenwangen 28, 29 angeordnet. In einem gewissen Abstand befinden sich unterhalb des ersten Paares von Ankerelementen 18 weitere Paare von Ankerelementen 18'.This in FIG. 1 illustrated support section 12 has a plurality of pairs of armature elements 18, 18 ', which are advantageously identical. Each pair of anchor elements 18 is arranged at the same height on both sides of the two side cheeks 28, 29. At a certain distance are below the first pair of anchor elements 18 more pairs of anchor elements 18 '.

Der Winkel zwischen Seitenwangen 28, 29 und Mittelabschnitt 13 beträgt vorzugsweise 90°, er kann jedoch auch größer oder kleiner als 90° sein.The angle between side cheeks 28, 29 and central portion 13 is preferably 90 °, but it may also be greater or less than 90 °.

Das Tragprofil 12 wird durch Anlage der rückwärtigen Seite des Mittelabschnitts 13 an einer Außenwand bzw. Umfassungswand oder einer Rahmenkonstruktion über bekannte Befestigungsmittel, wie beispielsweise eine Schraubverbindung, Nieten oder dergleichen, befestigt.The support profile 12 is fixed by abutment of the rear side of the central portion 13 on an outer wall or Umfassungswand or a frame structure via known fastening means, such as a screw, rivets or the like.

Zwischen den an jeder Seitenwange 28, 29 vorgesehenen Ankerelementen 18, 18' können Näpfe 40 vorgesehen sein, die der Befestigung eines Fugenprofils 45 dienen. Bei jedem Napf 40 ist der Napfboden 41 weiter einwärts geprägt als es der Flucht der Außenkante 30 der Seitenkante 28, 29 entspricht. Es entsteht somit eine gegenüber der Außenkante 30 tiefer gelegte, aber zu ihr parallele Napftragefläche 42, die der Aufnahme von Fugenprofilen 45, die in der DE 102 48 597 A1 näher beschrieben sind, dienen. Durch das Fugenprofil 45 wird das nach außen offene U-Profil 12 abgedeckt, indem das Fugenprofil 45 zwischen den beiden Seitenwangen 28, 29 auf die Napftrageflächen 42 aufgelegt wird. Das Fugenprofil besteht aus einem Blechstreifen, der längs eines Randknicks jeweils beidseitig um einen nahezu 180° betragenden Winkel als Federstreifen auf sich zurückgefaltet ist (vgl. Figur 4 ).Cups 40 may be provided between the anchor elements 18, 18 'provided on each side wall 28, 29, which serve to fasten a joint profile 45. In each cup 40, the cup bottom 41 is marked further inward than corresponds to the escape of the outer edge 30 of the side edge 28, 29. This results in a relation to the outer edge 30 lowered, but parallel to it cup receiving surface 42, the recording of joint profiles 45, which in the DE 102 48 597 A1 are described in more detail serve. By the joint profile 45, the outwardly open U-profile 12 is covered by the joint profile 45 is placed between the two side walls 28, 29 on the Napftrageflächen 42. The joint profile consists of a sheet-metal strip, which is folded back on both sides by an edge bend at an angle of almost 180 ° as a spring strip on itself (see. FIG. 4 ).

In Figur 3 ist das Fugenprofil 45 auf das Tragprofil 12 aufgelegt, und an die Ankerelemente 18 sind teilweise Fassadenelemente 51 eingehängt. Das Fugenprofil 45 dient dazu, die eingehängten Fassadenelemente 51 zu beabstanden und die zwischen den Fassadenelementen 51 liegende Fuge 60 abzudichten. Die Fassadenelemente 51 liegen an dem Fugenprofil 45 unter einer leichten Vorspannung an. Weiterhin umfasst das Fugenprofil 45 Federzungen 46, die als Demontagesicherung dienen.In FIG. 3 the joint profile 45 is placed on the support section 12, and the anchor elements 18 are partially hung facade elements 51. The joint profile 45 serves to space the hinged facade elements 51 and to seal the joint 60 lying between the facade elements 51. The facade elements 51 rest on the joint profile 45 under a slight bias. Furthermore, the joint profile 45 includes spring tongues 46, which serve as dismantling safety.

Figur 5 zeigt den Eingriff der Ankerelemente 18 des Tragprofils 12 an den Befestigungselementen 50 des Fassadenelements 51. Der einschalige Fassadenziegel 51 weist eine glatte Vorderseite 52 und eine Rückseite 53 auf, an der Befestigungselemente 50 in parallel zu einander verlaufenden Reihen untereinander angeordnet sind. Ein jedes Befestigungselement 50 ist hakenförmig und erstreckt sich über die gesamte Breite der Rückseite des Fassadenelements. Alternativ können auch einzelne Befestigungsmittel 50 an der Rückseite 53 des Fassadenelements 51 vorgesehen sein. Die Befestigungselemente 50 des Fassadenelements 51 sind hakenförmig und weisen ebenfalls einen Stützsteg 54 und einen Haltesteg 55 auf. FIG. 5 shows the engagement of the anchor elements 18 of the support section 12 to the fastening elements 50 of the facade element 51. The single-shell facade tile 51 has a smooth front 52 and a back 53, are arranged on the fasteners 50 in parallel to each other extending rows with each other. Each fastening element 50 is hook-shaped and extends over the entire width of the rear side of the facade element. Alternatively, individual fastening means 50 may be provided on the rear side 53 of the facade element 51. The fastening elements 50 of the facade element 51 are hook-shaped and likewise have a support web 54 and a retaining web 55.

Die Befestigungselemente 50 dieser großflächigen Fassadenelemente wurden erfindungsgemäß dahingehend verbessert, dass ein Abreißen der Befestigungselemente 50 auch unter höheren Windbeanspruchungen verhindert wird. Dies wird dadurch erreicht, dass die Dicke 56 des Haltestegs 55 in etwa der Dicke des Fassadenelements 51 entspricht und größer als der Abstand 57 zwischen Fassadenelementrückseite 53 und Innenseite 58 des Haltestegs 55 ist. Der Stützsteg 54 weist die Form eines schiefen Trapezes auf, und die Außenkante 59 des Stützstegs 54 ist verstärkt, um einer Kerbwirkung entgegen zu wirken.The fasteners 50 of this large-scale facade elements have been improved according to the invention to the effect that tearing off of the fasteners 50 is prevented even under higher wind loads. This is achieved in that the thickness 56 of the holding web 55 corresponds approximately to the thickness of the facade element 51 and greater than the distance 57 between facade element rear side 53 and inside 58 of the retaining web 55 is. The support web 54 has the shape of an inclined trapezium, and the outer edge 59 of the support web 54 is reinforced to counteract a notch effect.

Diese Fassadenelemente mit den verbesserten Befestigungselementen weisen Bruchlasten über 3000 N auf und somit etwa das Doppelte wie die bislang bekannten Fassadenelemente.These facade elements with the improved fasteners have breaking loads above 3000 N and thus about twice as the previously known facade elements.

Die Ankerelemente 18 des Tragprofils 12 greifen mit ihren Haltestegen 20 in die auf der Rückseite 53 des Fassadenelements 51 befindliche Ausnehmung 61 zwischen der Rückseite 53 des Fassadenelements 51 und der Innenseite 58 des Haltestegs 55.The anchor elements 18 of the support profile 12 engage with their retaining webs 20 in the located on the back 53 of the facade element 51 recess 61 between the back 53 of the facade element 51 and the inside 58 of the retaining web 55th

Hierbei liegt die Außenseite 21 des Haltestegs 20 des Ankerelements 18 an der Rückseite 53 des Fassadenelements 51 an und die Innenseite 58 des Haltestegs 55 des Fassadenelements 51 an der Innenseite des Haltestegs 20 des Ankerelements 18.In this case, the outer side 21 of the retaining web 20 of the anchor element 18 rests against the rear side 53 of the facade element 51 and the inner side 58 of the retaining web 55 of the facade element 51 on the inner side of the retaining web 20 of the anchor element 18.

Eine alternative Ausführungsform für die Halterung mit den erfindungsgemäß geprägten Haken ist in den Figuren 6 und 7 dargestellt. Bei diesem alternativen Profil 72 sind keine Seitenwangen 28, 29 vorgesehen, Vielmehr sind an dem Mittelabschnitt 73 seitlich direkt Ankerelemente 18 mit der erfindungsgemäßen Prägung 16 angeformt, wobei die Ankerelemente 18 gegenüber dem Mittelabschnitt 73 rechtwinklig abgekantet sind. Dieses Profil ist insbesondere für geringe Aufbauhöhen geeignet.An alternative embodiment of the holder with the invention embossed hook is in the FIGS. 6 and 7 shown. Instead, no side cheeks 28, 29 are provided in this alternative profile 72. Instead, anchor elements 18 with the embossing 16 according to the invention are integrally formed laterally on the middle section 73, wherein the anchor elements 18 are bent at right angles relative to the middle section 73. This profile is particularly suitable for low construction heights.

Zur Erhöhung der Stabilität weisen die Ankerelemente 18 die zuvor im Detail beschriebene erfindungsgemäße Prägung 16 auf, die sich ebenfalls V-förmig in dem Haltesteg 20 und dem Stützsteg 24 des Ankerelements 18 erstreckt.To increase the stability, the anchor elements 18 have the embossing 16 according to the invention described above in detail, which likewise extends in a V-shape in the retaining web 20 and the support web 24 of the anchor element 18.

Auf dem Mittelabschnitt 73 wird eine Druckfeder 74 befestigt, die einen festen Sitz der eingehängten Fassadenelemente sicherstellt und eine spätere Demontage des Fassadenelements verhindert. Diese Druckfeder 74 wird vorzugsweise mit dem Profil 72 durch Clinchen verbunden.On the central portion 73, a compression spring 74 is attached, which ensures a tight fit of the hinged facade elements and a later disassembly of the facade element prevented. This compression spring 74 is preferably connected to the profile 72 by clinching.

Die Herstellung der Profile erfolgt durch gleichzeitiges Stanzen und Prägen der Prägung und - in der ersten bevorzugten Ausführungsform - auch der Näpfe. Anschließen werden die Ankerelemente oder die Seitenwangen mit den Ankerelementen umgeformt.The production of the profiles is carried out by simultaneous punching and embossing of the embossing and - in the first preferred embodiment - the wells. Subsequently, the anchor elements or the side walls are reshaped with the anchor elements.

Anschließend können die Fugenprofile im Falle der ersten bevorzugten Ausführungsform des Profils mit den Seitenwangen aufgesteckt oder im Fall des Profils ohne Seitenwangen auf den Mittelabschnitt geclincht werden.Subsequently, the joint profiles can be plugged in the case of the first preferred embodiment of the profile with the side cheeks or be clinched in the case of the profile without side cheeks on the central portion.

Vergleichsversuche:Comparative tests:

Die bessere Tragfähigkeit der erfindungsgemäßen hakenförmigen Ankerelemente gemäß Figur 2 wird anhand der nachfolgenden Vergleichsversuche belegt.The better carrying capacity of the hook-shaped anchor elements according to the invention FIG. 2 is substantiated by the following comparative experiments.

Die Überprüfung der Tragfähigkeit erfolgte durch die Bestimmung der Windsogbeanspruchung der verschiedenen Ankerelemente. Alle untersuchten Ankerelemente waren gleich geformt und von gleicher Materialdicke (2 mm). Die Prüfung erfolgte bei einer Prüfgeschwindigkeit von 5 mm/min und einem Abstand von 9 mm.The verification of the carrying capacity was carried out by determining the wind suction stress of the various anchor elements. All investigated anchor elements were equally shaped and of the same material thickness (2 mm). The test was carried out at a test speed of 5 mm / min and a distance of 9 mm.

Die Ergebnisse sind in der nachfolgenden Tabelle dargestellt. Prägung Versagenslast [N] Versagen AlMg3 H22 - 1581 Abriss Haken AlMg3Mg4,5Mn0,7H24 - 2184 Abriss Haken AlMg3Mg4,5Mn0,7H24 Ja, Prägetiefe 1,2 mm 2329 Abriss Haken The results are shown in the table below. embossing Failure Load [N] to fail AlMg 3 H22 - 1581 Demolition hook AlMg 3 Mg 4.5 Mn 0.7 H24 - 2184 Demolition hook AlMg3 Mg 4, 5Mn 0, 7 H24 Yes, embossing depth 1.2 mm 2329 Demolition hook

Die durchgeführten Versuche belegen, dass die Versagenslast der untersuchten Haken durch die erfindungsgemäße Prägung und durch die Auswahl einer geeigneten Aluminiumlegierung erhöht werden kann.The tests carried out prove that the failure load of the tested hooks can be increased by the embossing according to the invention and by the selection of a suitable aluminum alloy.

Claims (17)

  1. A use of a device for fastening façade elements (51),
    the façade elements (51) comprising a visible face and a rear face and fastening means (50) arranged on the rear face in mutually parallel rows, which device comprises bearing profiles (12), which have a strip-like,central portion (13), on which anchor elements (18) for the mounting of the façade elements (51) are provided symmetrically about the longitudinal axis (14) of the bearing profiles (12), and the anchor elements (18) are L-shaped and comprise a support web (24) and a holding web (20), characterised in that the anchor elements (18) comprise an embossing (16), the embossing (16) is provided at least in the region of the holding web (20) and the outer edge (25) of the embossing (16) in the holding web (20) does not extend parallel to the outer edge (21) of the holding web (20).
  2. The use of the device according to claim 1, characterised in that the embossing is arranged substantially in the central region of the holding web (20).
  3. The use of the device according to either claim 1 or claim 2, characterised in that the outer edge (25) of the embossing (16) in the holding web (20) extends at an acute angle γ to the outer edge (21) of the holding web (20).
  4. The use of the device according to any one of claims 1 to 3, characterised in that the anchor elements (18) comprise a support web (24) and the outer edge (22) of the embossing (16) in the support web (24) extends parallel or not parallel, in particular at an acute angle δ to the outer edge (23) of the support web (24).
  5. The use of the device according to claim 3 and/or claim 4, characterised in that the acute angle γ and/or δ is/are less than 10° and preferably less than 5° and particularly preferably between 3 and 4°.
  6. The use of the device according to any one of the preceding claims, characterised in that the embossing (16) is straight or angled.
  7. The use of the device according to any one of the preceding claims, characterised in that the embossing (16) is V-shaped, both branches of the embossing (16) are arranged at an obtuse angle and the transition region is arched.
  8. The use of the device according to claim 7, characterised in that the lengths of the branches of the embossing (16) are equal or the length of the branch in the support web (24) is greater than the length of the branch in the holding web (20).
  9. The use of the device according to any one of claims 1 to 8, characterised in that the embossing depth is between 20 % and 80 %, preferably between 50 % and 70 % of the material thickness.
  10. The use of the device according to any one of claims 1 to 9, characterised in that the width of the embossing (16) is 0.1 to 0.8 times, preferably 0.3 to 0.65 times the width of the holding web (20).
  11. The use of the device according to any one of claims 1 to 10, characterised in that the embossing is rounded.
  12. The use of the device according to any one of the preceding claims, characterised in that the material thickness is between 1.5 mm and 4 mm and in particular between 2.0 mm and 2.5 mm.
  13. The use of the device according to any one of the preceding claims, characterised in that it is made of aluminium or an aluminium alloy.
  14. The use of the device according to claim 13, characterised in that the aluminium alloy is an aluminium wrought alloy containing the metals magnesium and/or manganese, in particular with a manganese content of 0.2 to 6.2 %, in particular between 0.2 and 1.5 % and a magnesium content between 0.5 and 8.0 % and in particular between 3.5 and 5.5 %.
  15. The use of the device according to any one of the preceding claims, characterised in that the fastening means (50) on the rear face (53) of the façade element (51) comprise a support web (54) and a holding web (55) and the thickness (56) of the holding web (55) corresponds approximately to the thickness of the façade element (51).
  16. The use of the device according to claim 15, characterised in that the thickness (56) of the holding web (55) is greater than the distance (57) between the rear face (53) of the façade element and the inner face (58) of the holding web (55).
  17. The use according to either claim 15 or claim 16, characterised in that the outer face (21) of the holding web (20) of the anchor element (18) lies against the rear face (53) of the façade element (51), and the inner face (58) of the holding web (55) lies against the inner face of the holding web (20) of the anchor element (18).
EP10701812A 2009-03-06 2010-01-21 Use of device for attaching facade elements Active EP2404011B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009011564A DE102009011564A1 (en) 2009-03-06 2009-03-06 Device for fastening facade elements and facade element
PCT/EP2010/000340 WO2010099848A1 (en) 2009-03-06 2010-01-21 Device for attaching façade elements and façade element

Publications (2)

Publication Number Publication Date
EP2404011A1 EP2404011A1 (en) 2012-01-11
EP2404011B1 true EP2404011B1 (en) 2013-03-06

Family

ID=42245571

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10701812A Active EP2404011B1 (en) 2009-03-06 2010-01-21 Use of device for attaching facade elements

Country Status (6)

Country Link
EP (1) EP2404011B1 (en)
CA (1) CA2753452A1 (en)
DE (1) DE102009011564A1 (en)
EA (1) EA201190199A1 (en)
ES (1) ES2409171T3 (en)
WO (1) WO2010099848A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3057887B1 (en) * 2016-10-24 2019-06-21 Lorraine Industrie Bois DEVICE AND METHOD FOR FASTENING A COVER PANEL ON A FASTENING FACADE
EP3498391B1 (en) * 2017-12-13 2019-11-13 Ovh Rigid sheet blank and method for producing same
KR101937711B1 (en) * 2017-12-22 2019-01-11 주식회사 유토플러스 System for dry execution of finishing material
RU2679932C1 (en) * 2018-05-04 2019-02-14 Александр Васильевич Гущин Hinged ventilated facade stretching system and method of its installation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2251967A (en) * 1936-08-05 1941-08-12 Carl M Yoder Machine for and process of forming structural members
GB612753A (en) * 1946-05-31 1948-11-17 Eric William Roper Improvements in and relating to the construction of bridges and the like
US3321883A (en) * 1964-07-06 1967-05-30 Pascucci Michael Brick veneer support structure
DE1289288B (en) * 1964-07-15 1969-02-13 Hunter Douglas Wall or ceiling paneling or suspended ceiling, in particular ventilated and / or acoustic paneling or suspended ceiling
BE827589A (en) * 1975-04-04 1975-07-31 ROOF COVERING ELEMENT, SUCH AS SLATE OR TILE AND SHEET USED TO SUPPORT THEM
US4221095A (en) * 1978-09-29 1980-09-09 Weinar Roger N Wall constructed from wallboard held together with concealed fasteners
FR2549879B1 (en) * 1983-07-28 1986-07-11 Woestelandt Joseph SELF-HANGING SHINGLE OR TILE
DE3332623A1 (en) * 1983-09-09 1985-04-04 Winfred 8000 München Klink FAÇADE FAIRING
DE8417333U1 (en) * 1984-06-07 1984-09-20 Profil-Vertrieb Gmbh, 7560 Gaggenau SUSPENSION DEVICE FOR C-SHAPED RAILS FROM BLANKET OD. DGL.
DE29502598U1 (en) * 1995-02-17 1995-04-06 Hünting, Harald, Dipl.-Ing., 97332 Volkach Device for attaching a strut to a structural base
DE29520783U1 (en) * 1995-02-24 1996-05-02 Thomas Huwer KG Metallwaren - Werkzeugbau, 55758 Oberreidenbach Hanger for a C-profile rail for suspended ceilings or the like.
DE19805913A1 (en) 1998-02-13 1999-08-19 Creaton Ag Facade element for cladding outside walls
DE29920358U1 (en) * 1999-11-15 2000-02-03 BRF Bau Holding Friedrichshain GmbH, 10247 Berlin Butt joint element for facade panels
DE10017638C2 (en) * 2000-04-08 2002-02-07 Profil Vertrieb Gmbh Fastening element for attaching C-shaped supporting parts to rolled steel profiles
GB2414029B (en) * 2002-01-28 2006-02-15 Red Bank Mfg Company Ltd Improvements in or relating to cladding elements
DE20221929U1 (en) 2002-10-17 2009-06-18 Creaton Ag Device for fixing facade tiles
NL1035851A1 (en) * 2008-08-21 2008-10-24 Derek Jan Lander Vertical support profile for suspending façade elements, which is characterized by inwardly bent lips which give the joint profile optimum support and resilience with an optional security clip that can be bent above the façade element.

Also Published As

Publication number Publication date
ES2409171T3 (en) 2013-06-25
CA2753452A1 (en) 2010-09-10
EP2404011A1 (en) 2012-01-11
DE102009011564A1 (en) 2010-09-09
WO2010099848A1 (en) 2010-09-10
EA201190199A1 (en) 2012-01-30

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