EP2893102B1 - Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post - Google Patents

Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post Download PDF

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Publication number
EP2893102B1
EP2893102B1 EP13758855.4A EP13758855A EP2893102B1 EP 2893102 B1 EP2893102 B1 EP 2893102B1 EP 13758855 A EP13758855 A EP 13758855A EP 2893102 B1 EP2893102 B1 EP 2893102B1
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EP
European Patent Office
Prior art keywords
protection element
flat roof
storm protection
post
roof structure
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.)
Not-in-force
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EP13758855.4A
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German (de)
French (fr)
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EP2893102A1 (en
Inventor
Roland STULIER
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Sika Technology AG
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Sika Technology AG
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/1407—Junctions of roof sheathings to chimneys or other parts extending above the roof for flat roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/145—Discrete fastening means, e.g. discs or clips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3223—Means supported by building floors or flat roofs, e.g. safety railings

Definitions

  • the invention relates to a flat roof structure with a storm protection element of a punctual fall protection (Secupoint, ABS point). It further relates to a method for producing a storm-proof flat roof cover, the use of such a storm-protection element and a unit for such a roof structure.
  • Fig. 1 shows in a perspective plan view a portion of a Flat roof 1, which is surrounded by a parapet 3, and on which several Fume pipes 5 are arranged to illustrate various known measures for storm protection.
  • This method of making a storm protection is reliable, but laborious and expensive, and creates undesirable additional penetrations of the roof structure.
  • the invention is therefore based on the object to provide an improved flat roof construction with a storm protection element and an improved method for producing a storm-proof flat roof cover.
  • the invention includes the consideration of departing from the principle of multiple fixation in the edge or corner region of the sealing elements in the storm or wind suction securing of sealing elements in the region of a flat roof structure penetrating, forming a fall protection post and instead provide a single storm protection element. It further includes the idea of assigning this single storm protection element spatially directly to the corresponding post or the surrounding sealing element, however, in such a way that the required holding effect on the flat portion of the sealing element is guaranteed on the roof. This requires a lateral minimum extent of the storm-proofing element.
  • a storm-proofing element which has a disc shape and an opening penetrated by the corresponding post.
  • the peripheral edge of this opening is designed such that the storm protection element automatically holds in that height on the post, in which it was placed during assembly, so that pushing up the post, with the undesirable side effect of lifting the fixing effect with respect to the sealing element , is prevented.
  • a flat roof structure with a flat roof cover and at least one of these penetrating posts, wherein the post a Sturmereinungselement is attached, which is designed as a hold-down plate or plate with an opening which is surrounded by such formed elastic claws that these claws define an internal contour of the opening adapted to the outer contour of the post to be secured, and that the storm-proof element can be slid against the elastic resistance of the claws on the free end of the post, whereas in the opposite direction wedge the claws against the post and fix the storm protection element in the position reached when pushed on.
  • the design effort and cost is low. Furthermore, unwanted (additional) penetrations of the roof structure can be easily avoided.
  • the storm-proofing element attached to the post is covered with a watertight cover.
  • the shape of the cover can correspond in plan view in particular to the shape of the storm protection element.
  • the dimensions of the cover can be (slightly) larger than the dimensions of the storm protection element.
  • the cover may be glued or welded outside the peripheral edge of the storm protection element with the surface of the flat roof covering.
  • the storm protection element is formed as a circular plastic plate with a central opening.
  • Other designs are elliptical or substantially square or rectangular plate-shaped, if necessary. With rounded edges. Also versions with protruding support feet, in star shape or similar. are possible.
  • the retaining the storm protection element on the post claws are configured in a further embodiment as projections of a metal fixing ring, which is firmly inserted into the opening.
  • individual claws are inserted into the disc or plate, or this is provided with integrally formed claws or correspondingly acting resilient projections in their mounting opening.
  • the claws at least in sections, in particular in a section at or near their free ends form an acute angle with the retaining plane of the storm-protection element.
  • the claws based on the level of the roof covering, directed upward so that they bend when pushed onto the corresponding post of the upper free end by the contact with the outer surface of the post a little further up and thereby on the Post posts.
  • the determined by the ends of the claws in their relaxed state free diameter of the opening of the storm protection element is preferably slightly smaller than the outer cross section of the post, so that in the mounted state of the storm protection element, the claws are biased against the post surface and thereby pressed with a certain holding force , This prevents a "rattle” and slow loosening of the elements.
  • the angle between the claws and the support plane is between 5 ° and 45 °, more specifically between 10 ° and 30 °.
  • the thickness of the hold-down plate or the hold-down plate increases steadily from the edge to the opening, the shape of which is therefore flat, for example, in the shape of a truncated cone or a spherical segment.
  • the disc or plate has a thickening extending around the opening and stepped towards the edge.
  • Embodiments with individual, essentially radially extending reinforcing ribs or even a spirally extending reinforcing rib are also possible, and in principle the blankholder disk or plate can also have a constant thickness over the entire extent.
  • the above object is achieved independently by a method for producing a flat roof construction of the type described above, wherein on at least a part of the flat roof covering penetrating posts, in particular on each post, a storm protection element of the type described above is pushed and pressed onto the surface of the flat roof covering , At least one covering portion of each post and its surroundings may be provided with a watertight covering, covering the storm protection element.
  • the cover can be glued or welded outside the peripheral edge of the storm protection element with the surface of the flat roof covering.
  • the storm protection element 13 consists essentially of a plastic, such as a polyamide or similar material, and has a central circular opening 13a, into which a metal ring 13b is used with claw-like projections 13c.
  • the projections (claws) 13c are dimensioned such that the free inner diameter of the opening 13a determined by their free ends is slightly smaller than the outer diameter of a post to be secured.
  • the outer plastic disc 13d has a stepped shape, with an outer ring portion 13d1 of constant thickness and a truncated conical center portion 13d2 with a thickness increasing toward the opening 13a.
  • the plate can also be a total of flat, frusto-conical shape (from the outer edge to the opening) (ie with steadily increasing thickness from the edge).
  • the outer diameter is, for example, 80 to 100 mm, but may also be larger or smaller, depending on the specific application, and the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured ,
  • the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured .
  • the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured .
  • the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured .
  • the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)

Description

Technisches GebietTechnical area

Die Erfindung betrifft einen Flachdachaufbau mit einem Sturmsicherungselement einer punktuellen Absturzsicherung (Secupoint, ABS-Point). Sie betrifft des Weiteren ein Verfahren zur Herstellung einer sturmsicheren Flachdachabdeckung, die Verwendung solches Sturmsicherungselements und eine Einheit für einen solchen Dachaufbau.The invention relates to a flat roof structure with a storm protection element of a punctual fall protection (Secupoint, ABS point). It further relates to a method for producing a storm-proof flat roof cover, the use of such a storm-protection element and a unit for such a roof structure.

Stand der TechnikState of the art

Flachdächer müssen vielfältige Anforderungen hinsichtlich Dichtigkeit, Wärmedämmung, Nutzung/Gestaltung und Wartung erfüllen. Dichtigkeits- und Sicherheitsanforderungen spielen dabei eine besondere Rolle. Meistens sind auf größeren Flachdachflächen in Abständen Absturzsicherungen gesetzt, in die Anseilpunkte zur Sicherung von Arbeitern eingefügt werden, die auf dem Flachdach Montage- oder Wartungsarbeiten ausführen. Es ist sicherzustellen, dass derartige Sicherungen, die die Dachhaut und darunter liegende Dämmschichten durchdringen, keinen Ansatzpunkt für eindringende Feuchtigkeit bieten. Hierfür werden üblicherweise spezielle Einfassungen eingesetzt, die sich bis zu einer bestimmten Höhe auf der jeweiligen Absturzsicherung erstrecken und mit der Flächenabdichtung verschweißt werden. Da grundsätzlich die Gefahr besteht, dass derartige Dichtelemente sich in Folge von Windsog lösen können, sind sie mechanisch zusätzlich zu sichern, wofür sich der Begriff Sturmsicherung bei freibewitterten Dachflächen eingebürgert hat.Flat roofs must meet a variety of requirements in terms of leak-tightness, thermal insulation, use / design and maintenance. Tightness and safety requirements play a special role here. In most cases, fall arresters are placed on larger flat roof areas at intervals, in which rappelling points are inserted for securing workers who carry out assembly or maintenance work on the flat roof. It must be ensured that such fuses, which penetrate the roof cladding and underlying insulation layers, do not provide a point of entry for penetrating moisture. For this purpose, special enclosures are usually used, which extend up to a certain height on the respective fall protection and are welded to the surface seal. Since there is a general danger that such sealing elements can loosen as a result of wind suction, they are mechanically secure in addition to what the term storm protection has naturalized in freewheel roof areas.

DE 299 07 561 U1 offenbart einen Dachaufbau nach dem Oberbegriff des Anspruchs 1. DE 299 07 561 U1 discloses a roof structure according to the preamble of claim 1.

Fig. 1 zeigt in Art einer perspektivischen Draufsicht einen Abschnitt eines Flachdaches 1, das von einer Attika 3 umgeben ist, und auf dem mehrere Dunstrohre 5 angeordnet sind, zur Verdeutlichung verschiedener bekannter Maßnahmen zur Sturmsicherung. Neben Befestigungsschienen 7, die insbesondere zur Sturmsicherung der Ränder oder Dachdurchdringungen (wie im Abschnitt A gezeigt) aber auch zur Sturmsicherung im Bereich eines Dunstrohrs 5 eingesetzt werden, werden zur Sturmsicherung der erwähnten Dichtelemente 9 am Dunstrohr 5 auch Einzelpunkt-Befestiger (lange, die Bedeckung und Dämmschicht durchdringende Schrauben) 11 eingesetzt. Diese Methode zur Herstellung einer Sturmsicherung ist verlässlich, aber arbeits- und kostenaufwändig und erzeugt unerwünschte zusätzliche Durchdringungen des Dachaufbaus. Fig. 1 shows in a perspective plan view a portion of a Flat roof 1, which is surrounded by a parapet 3, and on which several Fume pipes 5 are arranged to illustrate various known measures for storm protection. In addition to mounting rails 7, which are used in particular for storm protection of the edges or roof penetrations (as shown in section A) but also for storm protection in the area of a fume tube 5, also single-point fastener (long, the covering and insulating layer penetrating screws) 11 used. This method of making a storm protection is reliable, but laborious and expensive, and creates undesirable additional penetrations of the roof structure.

Der Erfindung liegt daher die Aufgabe zugrunde, einen verbesserten Flachdachaufbau mit einem Sturmsicherungselement sowie ein verbessertes Verfahren zur Herstellung einer sturmsicheren Flachdachabdeckung anzugeben.The invention is therefore based on the object to provide an improved flat roof construction with a storm protection element and an improved method for producing a storm-proof flat roof cover.

Darstellung der ErfindungPresentation of the invention

Diese Aufgabe wird durch einen Flachdachaufbau nach Anspruch 1 sowie ein Verfahren zur Herstellung eines Flachdachaufbaus nach Anspruch 9, eine Verwendung solches Sturmsicherungselements nach Anspruch 12 und eine Einheit nach Anspruch 13 gelöst.This object is achieved by a flat roof construction according to claim 1 and a method for producing a flat roof construction according to claim 9, a use of such storm protection element according to claim 12 and a unit according to claim 13.

Zweckmäßige Fortbildungen des Erfindungsgedankens sind Gegenstand der jeweiligen abhängigen Ansprüche.Advantageous further developments of the inventive concept are the subject of the respective dependent claims.

Die Erfindung schließt die Überlegung ein, bei der Sturm- bzw. Windsogsicherung von Dichtelementen im Bereich von einen Flachdachaufbau durchdringenden, eine Absturzsicherung bildenden Pfosten vom Prinzip der mehrfachen Fixierung im Kanten- bzw. Eckbereich der Dichtelemente abzugehen und statt dessen ein einzelnes Sturmsicherungselement vorzusehen. Sie schließt weiter den Gedanken ein, dieses einzelne Sturmsicherungselement räumlich direkt dem entsprechenden Pfosten bzw. dem ihn umgebenden Dichtelement zuzuordnen, jedoch so auszubilden, dass die erforderliche Haltewirkung auf dem flächigen Abschnitt des Dichtelementes auf der Dachhaut gewährleistet ist. Dies setzt eine laterale Mindest-Erstreckung des Sturmsicherungselementes voraus.The invention includes the consideration of departing from the principle of multiple fixation in the edge or corner region of the sealing elements in the storm or wind suction securing of sealing elements in the region of a flat roof structure penetrating, forming a fall protection post and instead provide a single storm protection element. It further includes the idea of assigning this single storm protection element spatially directly to the corresponding post or the surrounding sealing element, however, in such a way that the required holding effect on the flat portion of the sealing element is guaranteed on the roof. This requires a lateral minimum extent of the storm-proofing element.

Im Ergebnis dieser Überlegungen wird ein Sturmsicherungselement bereitgestellt, welches Scheiben- bzw. Plattenform und eine Öffnung hat, die vom entsprechenden Pfosten durchdrungen wird. Der Umfangsrand dieser Öffnung ist dabei derart gestaltet, dass das Sturmsicherungselement sich selbsttätig in jener Höhe auf dem Pfosten festhält, in die es bei der Montage gebracht wurde, so dass ein Hochschieben auf dem Pfosten, mit der unerwünschten Nebenwirkung einer Aufhebung der Fixierungswirkung bezüglich des Dichtelementes, unterbunden ist.As a result of these considerations, a storm-proofing element is provided which has a disc shape and an opening penetrated by the corresponding post. The peripheral edge of this opening is designed such that the storm protection element automatically holds in that height on the post, in which it was placed during assembly, so that pushing up the post, with the undesirable side effect of lifting the fixing effect with respect to the sealing element , is prevented.

Die oben genannte Aufgabe wird durch einen Flachdachaufbau mit einer Flachdachabdeckung und mindestens einen diese durchdringenden Pfosten gelöst, wobei an den Pfosten ein Sturmsicherungselement angebracht ist, welches ausgebildet ist als Niederhalteteller oder -platte mit einer Öffnung, die von derart ausgebildeten federelastischen Krallen umgeben ist, dass diese Krallen eine innere Kontur der Öffnung bestimmen, die an die äußere Kontur des zu sichernden Pfostens angepasst ist, und dass das Sturmsicherungselement vom freien Ende des Pfostens gegen den elastischen Widerstand der Krallen auf diesem aufgeschoben werden kann, wogegen sich bei einer in Gegenrichtung wirkenden Kraft die Krallen gegen den Pfosten verkeilen und das Sturmsicherungselement hierdurch in der beim Aufschieben erreichten Position fixieren. Bei einem derartigen Flachdachaufbau können Arbeiter oder zu sichernde Gegenstände auf verlässliche Art und Weise gesichert werden, wobei der konstruktive Aufwand und Kostenaufwand gering ist. Weiterhin können unerwünschte (zusätzliche) Durchdringungen des Dachaufbaus auf einfache Weise vermieden werden.The above object is achieved by a flat roof structure with a flat roof cover and at least one of these penetrating posts, wherein the post a Sturmereinungselement is attached, which is designed as a hold-down plate or plate with an opening which is surrounded by such formed elastic claws that these claws define an internal contour of the opening adapted to the outer contour of the post to be secured, and that the storm-proof element can be slid against the elastic resistance of the claws on the free end of the post, whereas in the opposite direction wedge the claws against the post and fix the storm protection element in the position reached when pushed on. In such a flat roof construction workers or objects to be secured can be secured in a reliable manner, the design effort and cost is low. Furthermore, unwanted (additional) penetrations of the roof structure can be easily avoided.

In einer Ausführungsform des Flachdachaufbaus ist das am Pfosten angebrachte Sturmsicherungselement mit einer wasserdichten Abdeckung bedeckt. Die Form der Abdeckung kann in Draufsicht insbesondere der Form des Sturmsicherungselements entsprechen. Die Abmessungen der Abdeckung können (etwas) größer sein als die Abmessungen des Sturmsicherungselements. Die Abdeckung kann außerhalb des Umfangsrandes des Sturmsicherungselements mit der Oberfläche der Flachdachbedeckung verklebt oder verschweißt sein.In one embodiment of the flat roof construction, the storm-proofing element attached to the post is covered with a watertight cover. The shape of the cover can correspond in plan view in particular to the shape of the storm protection element. The dimensions of the cover can be (slightly) larger than the dimensions of the storm protection element. The cover may be glued or welded outside the peripheral edge of the storm protection element with the surface of the flat roof covering.

In einer Ausführung ist das Sturmsicherungselement ausgebildet als kreisförmiger Kunststoffteller mit zentrischer Öffnung. Andere Ausführungen sind elliptisch oder im Wesentlichen quadratisch oder rechteckig plattenförmig, ggfs. mit abgerundeten Kanten. Auch Ausführungen mit hervorstehenden Stützfüßen, in Sternform o.ä. sind möglich.In one embodiment, the storm protection element is formed as a circular plastic plate with a central opening. Other designs are elliptical or substantially square or rectangular plate-shaped, if necessary. With rounded edges. Also versions with protruding support feet, in star shape or similar. are possible.

Die das Sturmsicherungselement am Pfosten festhaltenden Krallen sind in einer weiteren Ausführung als Vorsprünge eines Metall-Fixierungsringes ausgestaltet, der fest in die Öffnung eingefügt ist. In anderen Ausführungen sind einzelne Krallen in die Scheibe oder Platte eingeführt, oder diese ist mit einstückig angeformten Krallen oder entsprechend wirkenden federnden Vorsprüngen in ihrer Montageöffnung versehen.The retaining the storm protection element on the post claws are configured in a further embodiment as projections of a metal fixing ring, which is firmly inserted into the opening. In other embodiments, individual claws are inserted into the disc or plate, or this is provided with integrally formed claws or correspondingly acting resilient projections in their mounting opening.

In einer weiteren Ausführung ist vorgesehen, dass die Krallen mindestens abschnittsweise, insbesondere in einem Abschnitt an oder nahe ihren freien Enden, einen spitzen Winkel mit der Halteebene des Sturmsicherungselementes einschließen. Hierbei sind die Krallen, bezogen auf die Ebene der Dachbedeckung, nach oben gerichtet, so dass sie sich beim Aufschieben auf den entsprechenden Pfosten von dessen oberen freien Ende her durch den Kontakt mit der Pfosten-Außenfläche noch etwas weiter nach oben biegen und hierdurch auf den Pfosten aufschieben lassen. Der von den Enden der Krallen in deren entspanntem Zustand bestimmte freie Durchmesser der Öffnung des Sturmsicherungselementes ist bevorzugt etwas kleiner als der Außenquerschnitt des Pfostens, so dass im montierten Zustand des Sturmsicherungselementes die Krallen gegen die Pfosten-Oberfläche vorgespannt und hierdurch mit einer gewissen Haltekraft angepresst sind. Dies verhindert ein "Klappern" und langsames Lockern der Elemente. Insbesondere liegt der Winkel zwischen den Krallen und der Halteebene zwischen 5° und 45°, spezieller zwischen 10° und 30°.In a further embodiment it is provided that the claws at least in sections, in particular in a section at or near their free ends, form an acute angle with the retaining plane of the storm-protection element. Here, the claws, based on the level of the roof covering, directed upward so that they bend when pushed onto the corresponding post of the upper free end by the contact with the outer surface of the post a little further up and thereby on the Post posts. The determined by the ends of the claws in their relaxed state free diameter of the opening of the storm protection element is preferably slightly smaller than the outer cross section of the post, so that in the mounted state of the storm protection element, the claws are biased against the post surface and thereby pressed with a certain holding force , This prevents a "rattle" and slow loosening of the elements. Especially the angle between the claws and the support plane is between 5 ° and 45 °, more specifically between 10 ° and 30 °.

In einer weiteren Ausführung nimmt die Dicke des Niederhaltetellers bzw. der Niederhalteplatte vom Rand zur Öffnung hin stetig zu, deren Gestalt ist also beispielsweise flach kegelstumpfförmig oder kugelabschnittsförmig. In einer alternativen Ausführung hat die Scheibe oder Platte eine sich um die Öffnung erstreckenden, zum Rand hin stufenartig abgesetzten Verdickung. Es sind auch Ausführungen mit einzelnen, im Wesentlichen radial verlaufenden Verstärkungsrippen oder auch einer spiralig verlaufenden Verstärkungsrippe möglich, und grundsätzlich kann die Niederhalterscheibe oder -platte auch über die gesamte Erstreckung konstante Dicke haben.In a further embodiment, the thickness of the hold-down plate or the hold-down plate increases steadily from the edge to the opening, the shape of which is therefore flat, for example, in the shape of a truncated cone or a spherical segment. In an alternative embodiment, the disc or plate has a thickening extending around the opening and stepped towards the edge. Embodiments with individual, essentially radially extending reinforcing ribs or even a spirally extending reinforcing rib are also possible, and in principle the blankholder disk or plate can also have a constant thickness over the entire extent.

Die oben genannte Aufgabe wird unabhängig gelöst durch ein Verfahren zur Herstellung eines Flachdachaufbaus der oben beschriebenen Art, wobei auf mindestens einem Teil der die Flachdachbedeckung durchdringenden Pfosten, insbesondere auf jeden Pfosten, ein Sturmsicherungselement der oben beschriebenen Art aufgeschoben und auf die Oberfläche der Flachdachbedeckung aufgedrückt wird. Mindestens ein bedeckungsnaher Abschnitt jedes Pfostens und dessen Umgebung kann, unter Bedeckung des Sturmsicherungselements, mit einer wasserdichten Abdeckung versehen werden. Die Abdeckung kann außerhalb des Umfangsrandes des Sturmsicherungselements mit der Oberfläche der Flachdachbedeckung verklebt oder verschweißt werden.The above object is achieved independently by a method for producing a flat roof construction of the type described above, wherein on at least a part of the flat roof covering penetrating posts, in particular on each post, a storm protection element of the type described above is pushed and pressed onto the surface of the flat roof covering , At least one covering portion of each post and its surroundings may be provided with a watertight covering, covering the storm protection element. The cover can be glued or welded outside the peripheral edge of the storm protection element with the surface of the flat roof covering.

Kurze Beschreibung der ZeichnungShort description of the drawing

Im Folgenden werden anhand der Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert.In the following, embodiments of the invention will be explained in more detail with reference to the drawings.

Von diesen zeigen:

Fig. 1
eine perspektivische Darstellung eines Flachdachaufbaus mit Dachdurchdringungen (Dunstrohren) und verschiedenen Sturmsicherungselementen,
Fig. 2
eine perspektivische Darstellung einer Ausführungsform des Sturmsicherungselementes,
Fig. 3
eine perspektivische Schnittansicht einer Ausführungsform des Sturmsicherungselementes,
Fig. 4
eine perspektivische Darstellung einer Ausführungsform des Sturmsicherungselementes in Gebrauchslage an einer Absturzsicherung eines Flachdachs.
From these show:
Fig. 1
a perspective view of a flat roof construction with roof penetrations (fume pipes) and various storm protection elements,
Fig. 2
a perspective view of an embodiment of the storm protection element,
Fig. 3
a perspective sectional view of an embodiment of the storm protection element,
Fig. 4
a perspective view of an embodiment of the storm protection element in the use position on a fall protection of a flat roof.

Fig. 2 bis 4 zeigen in perspektivischer Darstellung bzw. einer perspektivischen Schnittansicht ein als in der Draufsicht kreisförmiger Niederhalteteller ausgebildetes Sturmsicherungselement 13. Das Sturmsicherungselement 13 besteht im Wesentlichen aus einem Kunststoff, etwa einem Polyamid oder ähnlichen Material, und hat eine zentrische kreisförmige Öffnung 13a, in die ein Metallring 13b mit krallenartigen Vorsprüngen 13c eingesetzt ist. Die Vorsprünge (Krallen) 13c sind so bemessen, dass der von ihren freien Enden bestimmte freie Innendurchmesser der Öffnung 13a etwas kleiner als der Außendurchmesser eines zu sichernden Pfostens ist. Somit kann das Sturmsicherungselement zwar einerseits mit relativ geringem Kraftaufwand und ohne Beschädigung eines den Pfosten ummantelnden Dichtelementes oder einer sonstigen Mantelschicht auf den Pfosten aufgeschoben werden, hält sich aber anderseits durch elastischen Andruck der Krallen 13c gegen die Außenoberfläche des Pfostens selbsttätig in der vorgegebenen Position an diesem fest. Material und Wandungsstärke des Metallringes 13b (vorzugsweise aus Federstahl) sind derart gewählt, dass diese Funktion unter normalen Montage- und Einsatzbedingungen zuverlässig erfüllt wird. Fig. 2 to 4 The storm protection element 13 consists essentially of a plastic, such as a polyamide or similar material, and has a central circular opening 13a, into which a metal ring 13b is used with claw-like projections 13c. The projections (claws) 13c are dimensioned such that the free inner diameter of the opening 13a determined by their free ends is slightly smaller than the outer diameter of a post to be secured. Thus, the storm protection element on the one hand with relatively little effort and without damaging the post enclosing sealing element or any other coat layer are pushed onto the post, but on the other hand holds by elastic pressure of the claws 13c against the outer surface of the post automatically in the predetermined position on this fixed. Material and wall thickness of the metal ring 13b (preferably made of spring steel) are chosen such that this function is reliably fulfilled under normal conditions of installation and use.

Der äußere Kunststoffteller 13d hat eine abgestufte Gestalt, mit einem äußeren Ringbereich 13d1 mit konstanter Dicke und einem kegelstumpfförmigen Mittenbereich 13d2 mit einer zur Öffnung 13a hin zunehmenden Dicke. Dies ist jedoch lediglich eine beispielhafte Ausführung, der Teller kann auch insgesamt, vom äußeren Rand bis zur Öffnung hin flach kegelstumpfförmig (also mit vom Rand aus stetig zunehmender Dicke) ausgeführt sein.The outer plastic disc 13d has a stepped shape, with an outer ring portion 13d1 of constant thickness and a truncated conical center portion 13d2 with a thickness increasing toward the opening 13a. However, this is merely an exemplary embodiment, the plate can also be a total of flat, frusto-conical shape (from the outer edge to the opening) (ie with steadily increasing thickness from the edge).

Der Außendurchmesser beträgt beispielsweise 80 bis 100mm, kann aber in Abhängigkeit vom konkreten Einsatzzweck auch größer oder kleiner sein, und der Durchmesser der Öffnung 13a sowie ihr durch die freien Enden der Krallen im entspannten Zustand festgelegter freier Querschnitt richten sich nach dem Außendurchmesser des zu sichernden Pfostens. Für das kommerziell verfügbar Sarnabar/Sarnafast-System mit den ebenfalls dem Fachmann bekannten SecuPoint-Anseilpfosten beträgt der Durchmesser der Öffnung 13a etwa 16-20mm. Sollte die Querschnittsgestalt eines zu sichernden Pfostens oder einer anderen Durchdringung eines Flachdaches von der Kreisform abweichen, wird vorteilhafterweise auch die Kontur der Öffnung des Sturmsicherungselementes und ggfs. auch dessen Außenkontur von der in Fig. 2 bis 4 gezeigten Kreisform abweichen.The outer diameter is, for example, 80 to 100 mm, but may also be larger or smaller, depending on the specific application, and the diameter of the opening 13a and its determined by the free ends of the claws in the relaxed state free cross-section are determined by the outer diameter of the post to be secured , For the commercially available Sarnabar / Sarnafast system with the SecuPoint Anseilpost also known to those skilled in the diameter of the opening 13a is about 16-20mm. If the cross-sectional shape of a pole to be secured or another penetration of a flat roof deviate from the circular shape, advantageously also the contour of the opening of the storm-protection element and, if necessary, its outer contour of the in Fig. 2 to 4 deviate circular shape shown.

Claims (13)

  1. Flat roof structure having a flat roof covering and at least one post penetrating through said covering, wherein a storm protection element (13) is attached to the post (5), characterized in that the storm protection element (13) is designed as a hold-down disc or hold-down plate with an opening which is surrounded by spring-elastic claws designed in such a way that these claws (13c) define an inner contour of the opening (13a) which is adapted to the outer contour of the post to be secured, and in that the storm protection element can be pushed from the free end of the post onto said post against the elastic resistance of the claws, whereas, under a force acting in the opposite direction, the claws wedge against the post and consequently fix the storm protection element in the position reached upon it being pushed on.
  2. Flat roof structure according to Claim 1, wherein the storm protection element (13) attached to the post (5) is covered with a watertight cover whose shape in plan view corresponds in particular to the shape of the storm protection element and whose dimensions are somewhat larger than those of the storm protection element, wherein the cover is adhesively bonded or welded outside of the circumferential edge of the storm protection element to the surface of the flat roof covering.
  3. Flat roof structure according to Claim 1 or 2, wherein the storm protection element (13) is designed as a circular plastic disc with a central opening (13a).
  4. Flat roof structure according to one of the preceding claims, wherein the claws are configured as projections of a metal fixing ring (13b) which is inserted fixedly into the opening (13a).
  5. Flat roof structure according to one of the preceding claims, wherein the claws (13c) enclose an acute angle with the holding plane of the storm protection element at least in certain portions, in particular in a portion at or close to their free ends.
  6. Flat roof structure according to Claim 5, wherein the angle between the claws (13c) and the holding plane is between 5° and 45°, especially between 10° and 30°.
  7. Flat roof structure according to one of the preceding claims, wherein the thickness of the storm protection element increases constantly from the edge to the opening.
  8. Flat roof structure according to one of the preceding claims, wherein the storm protection element has a thickened area (13d2) which extends around the opening and is offset in a graduated manner towards the edge.
  9. Method for producing a flat roof structure according to Claim 1 or 2, wherein a storm protection element (13) as is defined in one of Claims 1 to 8 is pushed onto at least some of the posts (5) penetrating through the flat roof covering, in particular onto each post, and is pressed onto the surface of the flat roof covering.
  10. Method according to Claim 9, wherein at least one covering-adjacent portion of each post (5) and its surroundings is provided with a watertight cover, thereby covering the storm protection element (13) .
  11. Method according to Claim 10, wherein the cover is adhesively bonded or welded outside of the circumferential edge of the storm protection element (13) to the surface of the flat roof covering.
  12. Use of a storm protection element (13) as is defined in one of Claims 1 to 8 as a storm protection element for posts forming an anti-fall safeguard in a flat roof structure according to one of Claims 1 to 8.
  13. Unit for a flat roof structure according to one of Claims 1 to 8, consisting of a post forming an anti-fall safeguard and of a storm protection element as is defined in one of Claims 1 to 8, wherein the opening (13a) is penetrated by the post.
EP13758855.4A 2012-09-05 2013-09-04 Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post Not-in-force EP2893102B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13758855.4A EP2893102B1 (en) 2012-09-05 2013-09-04 Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12183171 2012-09-05
EP13758855.4A EP2893102B1 (en) 2012-09-05 2013-09-04 Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post
PCT/EP2013/068295 WO2014037408A1 (en) 2012-09-05 2013-09-04 Flat roof structure, method for producing a flat roof structure, and storm protection element

Publications (2)

Publication Number Publication Date
EP2893102A1 EP2893102A1 (en) 2015-07-15
EP2893102B1 true EP2893102B1 (en) 2018-07-04

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EP13758855.4A Not-in-force EP2893102B1 (en) 2012-09-05 2013-09-04 Flat roof structure, method for producing a flat roof structure, use of a storm protection element and unit comprising a storm protection element and a post

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US (1) US20150240498A1 (en)
EP (1) EP2893102B1 (en)
JP (1) JP6412002B2 (en)
WO (1) WO2014037408A1 (en)

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Also Published As

Publication number Publication date
US20150240498A1 (en) 2015-08-27
WO2014037408A1 (en) 2014-03-13
JP2015531439A (en) 2015-11-02
EP2893102A1 (en) 2015-07-15
JP6412002B2 (en) 2018-10-24

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