EP2742190B1 - Structural element for heat-insulating purposes - Google Patents

Structural element for heat-insulating purposes Download PDF

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Publication number
EP2742190B1
EP2742190B1 EP12746340.4A EP12746340A EP2742190B1 EP 2742190 B1 EP2742190 B1 EP 2742190B1 EP 12746340 A EP12746340 A EP 12746340A EP 2742190 B1 EP2742190 B1 EP 2742190B1
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Prior art keywords
structural
mould
additional
compression
contact profile
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EP12746340.4A
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German (de)
French (fr)
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EP2742190A1 (en
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Harald Braasch
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Schoeck Bauteile GmbH
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Schoeck Bauteile GmbH
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Priority claimed from DE102011109958A external-priority patent/DE102011109958A1/en
Priority claimed from DE102011109962A external-priority patent/DE102011109962A1/en
Application filed by Schoeck Bauteile GmbH filed Critical Schoeck Bauteile GmbH
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7604—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only fillings for cavity walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating

Definitions

  • the present invention relates to a component for thermal insulation according to the preamble of patent claim 1.
  • the additional element consists of a lost mold for a pressure element made of concrete.
  • the casting mold in turn, consists of a plastic shell into which the concrete is filled and with which the concrete is inserted together into the thermal insulation component so that the casting mold, when installed, surrounds the concrete pressure element on all sides, ie also on its end faces facing the adjacent components. This can be exploited to the fact that the mold forms a sliding layer for the concrete pressure element in this region of the end faces and thus does not hinder any relative movements occurring between the pressure element and the adjacent component, but favors by improved sliding properties.
  • thermo insulation member having molds each having end walls and a pair of intermediate side walls and selectively housing the pressure member or insulating material.
  • the molds are made of plastic or metal, in particular made of sheet steel and preferably made of stainless steel sheet.
  • the object of the present invention is to further improve a component for thermal insulation of the type mentioned at the outset and to optimize it in particular with regard to its utility and thermal insulation properties.
  • the additional element is formed in two or more parts, thereby allowing a modular design and can thus be adapted by this modular design exactly to the requirements existing in the respective pressure element sections.
  • the proven advantage of the prior art namely the production of the pressure element using a lost mold even further optimized: Since the additional element is formed two or more parts, it can, for example, in the important parts of the lost Have mold with optimized sliding properties and adapted in other areas to the local requirements, namely, have optimized thermal insulation properties.
  • the additional element in addition to the lost mold at least one further supplementary element having preferably nothing to do with the production of the pressure element, ie with the casting.
  • This supplementary element may e.g. of thermal insulation material, such as made of foamed polyurethane or polystyrene in particular.
  • the additional element and / or the casting mold can be formed in the contact region between the pressure element and component in the manner of a sliding element in the form of a sliding layer or sliding plate , wherein the additional element and / or the casting mold can be made of HD polyethylene, for example, in this subregion.
  • said sliding element of HD polyethylene also extend over the entire insulator region from one end face to the other end face, then a thermal or cold bridge would be formed, so that the thermal insulation properties provided by the additional element and / or the casting mold become clear less favorable than in the case described inventive case, in which the additional element and / or the mold in the region of the insulating body consists of a thermal insulation material.
  • two adjacent printing elements have a common mold, whereby the mentioned modular structure can be optimized to form larger printing element units, which in turn, due to their size and the number of pressure elements enclosed by it, the stability of Improve casting mold.
  • FIG. 1 an additional element is shown, which consists of a mold 1, which serves for the formation of a total of two concrete pressure elements (not shown) for a (also not shown) component for thermal insulation, which is marketed for example under the name "Isokorb® with HTE module” ,
  • the mold circumscribes two cavities 2, 3 for the pressure elements, which cavities are surrounded by corresponding walls of the mold 1:
  • the cavities 2, 3 are elongated with a waist in horizontal section, ie a width slightly varying along its length (at its free Ends are wider and in their waisted middle area they are slightly narrower) and have at their terminal end faces 2a, 2b and 3a, 3b, which form the end faces of the pressure elements, sliding elements 4, which in the installed state the contact area between the pressure element on the one hand and adjacent component on the other hand form and accordingly serve to accommodate relative movements between the pressure element and adjacent component in the horizontal direction, especially along the joint.
  • mold is formed so that the pressure elements to be produced in her end faces with a component facing in horizontal section convexly curved contact profile are provided, in which case the mold in the region of this end face 4 in horizontal section in the form of the contact profile opposite adapted concave Force introduction surface 4a, 4b, 4c, 4d has.
  • Two sliding elements 4, 4 which are arranged on the opposite end faces of the concrete pressure element to be produced in the casting mold 1, are connected to one another via a common rod-shaped connecting element (not shown in the drawing), so that the connecting element predetermines the length of the associated pressure element.
  • a common rod-shaped connecting element not shown in the drawing
  • Side walls 5a, 5b on the one hand and 5c, 5d on the other hand connected via a connecting element in the form of the polyurethane foam bottom 7a, 7b of the mold, so that thereby the width of the pressure element to be produced in the mold is predetermined and maintained without interfering with the filling of the concrete material the distance between the side walls would change due to the pressure of the concrete material.
  • a pressure element to be produced in the mold 1 has areas with different functions and thus a mold for producing these areas when the mold is to be installed together with the pressure element in the thermal insulation component and there as well should take over corresponding functions, the mold must be constructed with adapted thereto walls.
  • the walls on the end faces 4 of the mold i. the force introduction surfaces 4a, 4b, 4c, 4d be optimized with respect to the sliding properties, while the power transmission unimportant side mold side walls 5a - 5d in the region of the insulating body can be optimized in terms of thermal insulation properties.
  • the supplementary elements are added only after the production of the pressure element.
  • reusable shaping elements are provided on the lateral portions of the printing element in the rule. These are removed after the production of the printing element and reused for the production of further printing elements.
  • the present invention offers the advantage of providing an optimized casting mold for the production of printing elements, in particular of a concrete material, which has subregions with different functions from a different material adapted to the respective function, so that as a result a pressure element with surrounding casting mold is made available, which in terms of mobility or movement absorption on the one hand and thermal insulation properties on the other hand, the previous designs improved.

Description

Die vorliegende Erfindung betrifft ein Bauelement zur Wärmedämmung nach dem Oberbegriff des Patentanspruchs 1.The present invention relates to a component for thermal insulation according to the preamble of patent claim 1.

Derartige Bauelemente zur Wärmedämmung sind beispielsweise aus der EP-A-1 225 282 bekannt; dabei besteht das Zusatzelement aus einer verlorenen Gießform für ein aus Beton hergestelltes Druckelement. Die Gießform wiederum besteht aus einer Kunststoffschale, in die der Beton eingefüllt wird und mit der der Beton zusammen in das Bauelement zur Wärmedämmung eingesetzt wird, so dass die Gießform im eingebauten Zustand das Betondruckelement allseits umgibt, also auch an ihren den angrenzenden Bauteilen zugewandten Stirnseiten. Dies lässt sich dazu ausnutzen, dass die Gießform in diesem Bereich der Stirnseiten eine Gleitschicht für das Betondruckelement bildet und damit etwaige zwischen Druckelement und angrenzendem Bauteil auftretende Relativbewegungen nicht behindert, sondern durch verbesserte Gleiteigenschaften begünstigt. Auch in der EP-A-1 892 344 ist ein Bauelement zur Wärmedämmung mit Formen bzw. Gießformen offenbart, die jeweils Stirnwände und ein Paar von seitlichen Zwischenwänden aufweisen und wahlweise das Druckelement oder Isoliermaterial aufnehmen. Die Gießformen bestehen aus Kunststoff oder Metall, insbesondere aus Stahlblech und bevorzugt aus Edelstahlblech.Such components for thermal insulation are for example from the EP-A-1 225 282 known; In this case, the additional element consists of a lost mold for a pressure element made of concrete. The casting mold, in turn, consists of a plastic shell into which the concrete is filled and with which the concrete is inserted together into the thermal insulation component so that the casting mold, when installed, surrounds the concrete pressure element on all sides, ie also on its end faces facing the adjacent components. This can be exploited to the fact that the mold forms a sliding layer for the concrete pressure element in this region of the end faces and thus does not hinder any relative movements occurring between the pressure element and the adjacent component, but favors by improved sliding properties. Also in the EP-A-1 892 344 discloses a thermal insulation member having molds each having end walls and a pair of intermediate side walls and selectively housing the pressure member or insulating material. The molds are made of plastic or metal, in particular made of sheet steel and preferably made of stainless steel sheet.

Das Zusatzelement kann bei einer Abwandlung des beschriebenen Standes der Technik aber auch aus einem Gleitkörper bestehen, der hinsichtlich der Form der Gießform zur Herstellung des Druckelements weitestgehend entspricht, jedoch nicht an der eigentlichen Herstellung des Druckelements, also am Gießen beteiligt war. Durch die identische Form wie die Gießform in den für die Gleitbewegung wichtigen Teilbereichen ist jedoch im Wesentlichen sichergestellt, dass der Gleitkörper vollflächig am Druckelement anliegt und dieselben optimierten Gleiteigenschaften zur Verfügung stellen kann wie die Gießform. Insofern sind im Stand der Technik Zusatzelemente bekannt, die entweder aus einer verlorenen Gießform bestehen oder aus einem Gleitkörper, der ebenfalls das Druckelement zumindest in Teilbereichen umgibt und zusammen mit dem Druckelement in das Bauelement zur Wärmedämmung eingebaut wird.The additional element may in a modification of the prior art described but also consist of a sliding body, which largely corresponds to the shape of the mold for the production of the printing element, but was not involved in the actual production of the printing element, ie the casting. However, due to the identical shape as the casting mold in the subregions which are important for the sliding movement, it is essentially ensured that the sliding body lies completely against the pressure element and can provide the same optimized sliding properties as the casting mold. In this respect, additional elements are known in the prior art, which consist either of a lost mold or a sliding body, which also surrounds the pressure element at least in partial areas and is installed together with the pressure element in the component for thermal insulation.

Der Einsatz solcher Betondruckelemente, die mit einer sie umgebenden Kunststoffschicht eingebaut werden, welche Kunststoffschicht aus einer verlorenen Gießform oder einem an die Form des Druckelements angepassten Gleitkörper bestehen kann, hat sich mittlerweile in der Praxis bewährt.The use of such concrete pressure elements, which are installed with a surrounding plastic layer, which plastic layer may consist of a lost mold or adapted to the shape of the pressure element slider, has now been proven in practice.

Der vorliegenden Erfindung liegt hiervon ausgehend die Aufgabe zugrunde, ein Bauelement zur Wärmedämmung der eingangs genannten Art weiter zu verbessern und insbesondere hinsichtlich seiner Gebrauchs- und Wärmedämmeigenschaften zu optimieren.On this basis, the object of the present invention is to further improve a component for thermal insulation of the type mentioned at the outset and to optimize it in particular with regard to its utility and thermal insulation properties.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Bauelement zur Wärmedämmung mit den Merkmalen des Patentanspruchs 1.This object is achieved by a device for thermal insulation with the features of claim 1.

Vorteilhafte Weiterbildungen der Erfindung sind jeweils Gegenstand von Unteransprüchen, deren Wortlaut hiermit durch ausdrückliche Bezugnahme in die Beschreibung aufgenommen wird, um unnötige Textwiederholungen zu vermeiden.Advantageous developments of the invention are the subject of subclaims, the wording of which is hereby included by express reference in the description in order to avoid unnecessary text repetitions.

Erfindungsgemäß ist das Zusatzelement zwei- oder mehrteilig ausgebildet, ermöglicht dadurch eine Modulbauweise und lässt sich somit durch diese Modulbauweise exakt an die in den jeweiligen Druckelementteilbereichen bestehenden Anforderungen anpassen.According to the invention the additional element is formed in two or more parts, thereby allowing a modular design and can thus be adapted by this modular design exactly to the requirements existing in the respective pressure element sections.

Wesentlich zur Erzielung der erfindungsgemäßen Vorteile ist die Modulbauweise. In diesem Sinne ist die Formulierung Zwei- oder Mehrteiligkeit auch so zu verstehen, dass das Zusatzelement Teile bzw. Teilbereiche mit unterschiedlichen Eigenschaften, insbesondere Materialeigenschaften aufweist. Die Formulierung "Teil" ist somit nicht als körperlich selbständige Einheit zu verstehen, sondern als Teil(bereich) des Zusatzelements. Selbst wenn das Zusatzelement einstückig aus zwei oder mehreren Materialien hergestellt sein sollte, so erfüllt dies die erfindungsgemäße Modulbauweise und ist im Sinne der vorliegenden Erfindung als zwei- oder mehrteilig aufzufassen.Essential to achieve the advantages of the invention is the modular design. In this sense, the formulation of two or more parts is also to be understood as meaning that the additional element has parts or partial regions with different properties, in particular material properties. The term "part" is thus not to be understood as a physically independent unit, but as part (area) of the additional element. Even if the additional element should be made in one piece from two or more materials, so this meets the modular construction of the invention and is to be construed in the context of the present invention as two or more parts.

Die Modulbauweise entfaltet ihre erfindungsgemäßen Vorteile vor allem dann, wenn es das Druckelement in den entsprechenden Teilbereichen beaufschlagt, so z.B. die für die Kraftübertragung wesentlichen Stirnseiten zur Verbesserung der Gleiteigenschaften oder z.B. die seitlich, oberhalb und/oder unterhalb des Druckelements liegenden Teilbereiche zur Verbesserung der Wärmedämmeigenschaften oder z.B. zur besseren Lagefixierung oder Beweglichkeit im Isolierkörper; dabei liegt es aber ebenso im Rahmen der Erfindung, dass das Zusatzelement oder die Gießform das zugehörige Druckelement nicht direkt beaufschlagt, sondern nur mittelbar und/oder indirekt, z.B. unter Zwischenfügung einer Trennfolie. Wesentlich ist dabei, dass das Zusatzelement das Druckelement zumindest in Teilbereichen und zumindest mittelbar umgibt, auch wenn ein unmittelbares Beaufschlagen vorteilhaft wäre.The modular design unfolds its advantages according to the invention, especially when it acts on the pressure element in the corresponding subregions, such as the essential for power transmission end faces to improve the sliding properties or eg the side, above and / or below the Pressure element lying portions to improve the thermal insulation properties or eg for better positional fixation or mobility in the insulating body; However, it is also within the scope of the invention that the additional element or the mold does not act directly on the associated pressure element, but only indirectly and / or indirectly, for example with the interposition of a release film. It is essential that the additional element surrounds the pressure element at least partially and at least indirectly, even if an immediate application would be advantageous.

Mit der erfindungsgemäßen Zwei- oder Mehrteiligkeit lässt sich der bewährte Vorteil des Standes der Technik, nämlich die Herstellung des Druckelements unter Verwendung einer verlorenen Gießform noch weiter optimieren: Da das Zusatzelement zwei- oder mehrteilig ausgebildet ist, kann es beispielsweise in den wichtigen Teilbereichen die verlorene Gießform mit optimierten Gleiteigenschaften aufweisen und in anderen Teilbereichen an die dortigen Anforderungen entsprechend angepasst sein, nämlich optimierte Wärmedämmeigenschaften aufweisen.With the two or more parts of the invention, the proven advantage of the prior art, namely the production of the pressure element using a lost mold even further optimized: Since the additional element is formed two or more parts, it can, for example, in the important parts of the lost Have mold with optimized sliding properties and adapted in other areas to the local requirements, namely, have optimized thermal insulation properties.

Die erfindungsgemäßen Vorteile des zwei- oder mehrteiligen Zusatzelements lassen sich auf verschiedene Arten realisieren: So kann das Zusatzelement zusätzlich zu der verlorenen Gießform zumindest ein weiteres Ergänzungselement aufweisen, das vorzugsweise nichts mit der Herstellung des Druckelements, also mit dem Gießen zu tun hat. Dieses Ergänzungselement kann z.B. aus Wärmedämmmaterial, wie z.B. aus insbesondere geschäumtem Polyurethan oder Polystyrol bestehen.The advantages according to the invention of the two- or multi-part additional element can be realized in various ways: Thus, the additional element in addition to the lost mold at least one further supplementary element having preferably nothing to do with the production of the pressure element, ie with the casting. This supplementary element may e.g. of thermal insulation material, such as made of foamed polyurethane or polystyrene in particular.

Ebenso ist es aber auch möglich, dass die verlorene Gießform selbst zwei- oder mehrteilig ausgebildet ist. Dabei kann man das oben beschrieben Prinzip der Modulbauweise auf die Gießform übertragen und Teilbereiche der Gießform an die jeweiligen Anforderungen im eingebauten Zustand anpassen. Dies ist sowohl dann möglich, wenn das Zusatzelement nur aus der (mehrteiligen) verlorenen Gießform besteht, als auch wenn zusätzlich zu der (mehrteiligen) verlorenen Gießform ein weiteres Ergänzungselement vorgesehen ist.Likewise, it is also possible that the lost mold itself is formed in two or more parts. In this case, it is possible to transfer the above-described principle of modular design to the casting mold and to adapt partial regions of the casting mold to the respective requirements in the installed state. This is possible both when the additional element consists only of the (multi-part) lost mold, as well as if in addition to the (multi-part) lost mold another supplementary element is provided.

Es ist des Weiteren vorteilhaft, wenn das Druckelement zusätzlich zu der verlorenen Gießform unter Verwendung eines weiteren, insbesondere wiederverwendbaren Formgebungselements hergestellt ist. Dieses ist zwar an der Herstellung des Druckelements beteiligt, wird anschließend von diesem aber wieder entfernt. Dessen weitere Verwendung ist an sich für das Druckelement unerheblich, so kann es z.B. zur Herstellung eines weiteren Druckelements wiederverwendet werden. Es sind aber auch Formgebungselemente denkbar, die beim Entfernen vom Druckelement zerstört werden.It is further advantageous if the pressure element in addition to the lost mold using another, especially reusable Shaping element is made. Although this is involved in the production of the printing element, but then removed from this again. Its further use is irrelevant in itself for the printing element, so it can be reused eg for the production of a further printing element. But there are also possible shaping elements that are destroyed when removed from the printing element.

Wenn beispielsweise das Druckelement Relativbewegungen gegenüber dem angrenzenden Bauteil durchführen bzw. folgen muss, dann ist es vorteilhaft, dass das Zusatzelement und/oder die Gießform im Anlagebereich zwischen Druckelement und Bauteil nach Art eines an sich bekannten Gleitelements in Form einer Gleitschicht bzw. Gleitplatte ausgebildet ist, wobei das Zusatzelement und/oder die Gießform beispielsweise in diesem Teilbereich aus HD-Polyethylen bestehen kann.If, for example, the pressure element has to perform or follow relative movements with respect to the adjacent component, then it is advantageous for the additional element and / or the casting mold to be formed in the contact region between the pressure element and component in the manner of a sliding element in the form of a sliding layer or sliding plate , wherein the additional element and / or the casting mold can be made of HD polyethylene, for example, in this subregion.

Demgegenüber finden in der Regel im Bereich des Isolierkörpers an den Seitenflächen des Druckelements keine Relativbewegungen statt, die das Zwischenfügen einer Gleitschicht erforderlich machen; stattdessen kommt es in diesen seitlichen Bereichen des Isolierkörpers auf eine besonders gute Wärmedämmeigenschaft an, so dass dort das Zusatzelement und/oder die Gießform aus einem Wärmedämmmaterial besteht, insbesondere aus Polyurethan- oder Polystyrolschaum. Würde sich das genannte Gleitelement aus HD-Polyethylen auch über den gesamten Isolierkörperbereich von der einen Stirnseite zur anderen Stirnseite erstrecken, so würde hierdurch eine Wärme- bzw. Kältebrücke gebildet, so dass die von dem Zusatzelement und/oder der Gießform zur Verfügung gestellten Wärmedämmeigenschaften deutlich ungünstiger als im beschriebenen erfindungsgemäßen Fall wären, bei dem das Zusatzelement und/oder die Gießform im Bereich des Isolierkörpers aus einem Wärmedämmmaterial besteht.In contrast, as a rule, no relative movements take place in the region of the insulating body on the side surfaces of the pressure element, which necessitate the interposition of a sliding layer; instead, in these lateral regions of the insulating body, a particularly good heat-insulating property occurs, so that there the additional element and / or the casting mold consists of a heat-insulating material, in particular of polyurethane or polystyrene foam. If said sliding element of HD polyethylene also extend over the entire insulator region from one end face to the other end face, then a thermal or cold bridge would be formed, so that the thermal insulation properties provided by the additional element and / or the casting mold become clear less favorable than in the case described inventive case, in which the additional element and / or the mold in the region of the insulating body consists of a thermal insulation material.

Das Zusatzelement und/oder die Gießform kann dabei einerseits durch gemeinsame Formgebungs-Verfahren wie z.B. Spritzguss oder Coextrusion verschiedener Materialien hergestellt sein, um so zum Beispiel einen einheitlichen und in sich geschlossenen Körper zu bilden, der beispielsweise becherförmig ausgebildet sein kann. Andererseits kann das Zusatzelement und/oder die Gießform auch durch Zusammenfügen verschiedener Komponenten gebildet werden, wobei dieses Zusammenfügen beispielsweise stoffschlüssig oder durch Fügeverfahren wie Kleben erfolgen kann. Ebenso ist es aber auch möglich, dass das Zusammenfügen durch das Druckelementmaterial selbst erfolgt, nämlich wenn das Druckelementmaterial ausgehärtet bzw. abgebunden ist und so die Komponenten der Gießform, die an dem Druckelementmaterial haften, trägt.The additional element and / or the casting mold can be produced on the one hand by common shaping methods such as injection molding or coextrusion of various materials, for example to form a uniform and self-contained body, which may be cup-shaped, for example. On the other hand, the additional element and / or the casting mold can also be formed by joining together different components, this joining, for example, by material bonding or by joining methods how gluing can take place. However, it is also possible that the assembly takes place by the printing element material itself, namely when the printing element material is cured or hardened and so the components of the mold, which adhere to the printing element material carries.

In diesem Zusammenhang ist es außerdem vorteilhaft, wenn zwei (oder mehrere) einander hinsichtlich Material, Funktion und/oder Position entsprechende Komponenten eines Zusatzelementes oder einer Gießform über ein Verbindungselement miteinander verbunden sind. Das heißt so könnten beispielsweise die beiden stirnseitig angeordneten Komponenten, die zur Aufnahme von Relativbewegungen zwischen Druckelement und angrenzendem Bauteil dienen, miteinander über ein gemeinsames Verbindungselement verbunden sein, was bereits dafür sorgt, dass dieses Verbindungselement den gegenseitigen Abstand dieser beiden Komponenten vorgibt und damit auch gleich die Länge des in der Gießform hergestellten Druckelements definiert.In this context, it is also advantageous if two (or more) each other with respect to material, function and / or position corresponding components of an additional element or a mold are connected to each other via a connecting element. That is, for example, the two components arranged on the front side, which serve to accommodate relative movements between the pressure element and adjacent component, be connected to each other via a common connecting element, which already ensures that this connecting element sets the mutual distance of these two components and thus also the same defines the length of the pressure element produced in the mold.

Es liegt ebenso im Rahmen der vorliegenden Erfindung, dass zwei benachbarte Druckelemente eine gemeinsame Gießform aufweisen, wodurch sich der erwähnte modulare Aufbau dahingehend optimieren lässt, dass man größere Druckelementeinheiten bildet, die wiederum aufgrund ihrer Größe und der Anzahl der von ihr umschlossenen Druckelemente die Stabilität der Gießform verbessern.It is also within the scope of the present invention that two adjacent printing elements have a common mold, whereby the mentioned modular structure can be optimized to form larger printing element units, which in turn, due to their size and the number of pressure elements enclosed by it, the stability of Improve casting mold.

Weitere Merkmale und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung; hierbei zeigt

Figur 1a - 1d
ein Zusatzelement mit einer Gießform eines erfindungsgemäßen Bauelements zur Wärmedämmung in Figur 1d in perspektivischer Draufsicht, in Figur 1b im Vertikalschnitt, in Figur 1a im Horizontalschnitt entlang der Ebene B-B aus Figur 1b und in Figur 1c im Horizontalschnitt entlang der Ebene A-A aus Figur 1b;
Figur 2
ein Zusatzelement eines erfindungsgemäßen Bauelements zur Wärmedämmung in perspektivischer Seitenansicht.
Further features and advantages of the present invention will become apparent from the following description of an embodiment with reference to the drawing; this shows
Figure 1a - 1d
an additional element with a mold of a device according to the invention for thermal insulation in Figure 1d in a perspective plan view, in FIG. 1b in vertical section, in FIG. 1a in horizontal section along the plane BB FIG. 1b and in Figure 1c in a horizontal section along the plane AA FIG. 1b ;
FIG. 2
an additional element of a device according to the invention for thermal insulation in a perspective side view.

In Figur 1 ist ein Zusatzelement dargestellt, das aus einer Gießform 1 besteht, welche zur Bildung von insgesamt zwei Betondruckelementen (nicht dargestellt) für ein (ebenfalls nicht dargestelltes) Bauelement zur Wärmedämmung dient, welches z.B. unter der Bezeichnung "Isokorb® mit HTE-Modul" vermarktet wird. Die Gießform umschreibt zwei Hohlräume 2, 3 für die Druckelemente, welche Hohlräume von entsprechenden Wandungen der Gießform 1 umgeben sind: Die Hohlräume 2, 3 sind länglich ausgebildet mit einer Taillierung im Horizontalschnitt, d.h. einer sich über ihre Länge etwas ändernden Breite (an ihren freien Enden sind sie breiter und in ihrem taillierten mittleren Bereich sind sie etwas schmaler) und weisen an ihren endständigen Stirnseiten 2a, 2b bzw. 3a, 3b, die die Stirnseiten der Druckelemente bilden, Gleitelemente 4 auf, die im eingebauten Zustand den Anlagebereich zwischen Druckelement einerseits und angrenzendem Bauteil andererseits bilden und demgemäß zur Aufnahme von Relativbewegungen zwischen Druckelement und angrenzendem Bauteil in Horizontalrichtung vor allem entlang der Fuge dienen.In FIG. 1 an additional element is shown, which consists of a mold 1, which serves for the formation of a total of two concrete pressure elements (not shown) for a (also not shown) component for thermal insulation, which is marketed for example under the name "Isokorb® with HTE module" , The mold circumscribes two cavities 2, 3 for the pressure elements, which cavities are surrounded by corresponding walls of the mold 1: The cavities 2, 3 are elongated with a waist in horizontal section, ie a width slightly varying along its length (at its free Ends are wider and in their waisted middle area they are slightly narrower) and have at their terminal end faces 2a, 2b and 3a, 3b, which form the end faces of the pressure elements, sliding elements 4, which in the installed state the contact area between the pressure element on the one hand and adjacent component on the other hand form and accordingly serve to accommodate relative movements between the pressure element and adjacent component in the horizontal direction, especially along the joint.

Die in Figur 1 dargestellte Gießform ist so ausgebildet, dass die in ihr herzustellenden Druckelemente an ihren Stirnseiten mit einem dem Bauteil zugewandten im Horizontalschnitt konvex gewölbten Kontaktprofil versehen sind, wobei dann die Gießform im Bereich dieser Stirnseite 4 im Horizontalschnitt eine in der Form an das Kontaktprofil entgegengesetzt angepasste konkav gewölbte Krafteinleitungsfläche 4a, 4b, 4c, 4d aufweist.In the FIG. 1 shown mold is formed so that the pressure elements to be produced in her end faces with a component facing in horizontal section convexly curved contact profile are provided, in which case the mold in the region of this end face 4 in horizontal section in the form of the contact profile opposite adapted concave Force introduction surface 4a, 4b, 4c, 4d has.

Im seitlichen Druckelementbereich außerhalb der Gleitelemente 4 bestehen die Wandungen der Gießform 1 aus einem Wärmedämmmaterial aus Polyurethanschaum; diese Wärmedämm-Komponenten erstrecken sich der etwas taillierten Druckelementform folgend etwas gewölbt durch die Isolierkörperebene vom einen stirnseitigen Gleitelement 4 zum gegenüberliegenden stirnseitigen Gleitelement 4 und bilden somit leicht gewölbte vertikale Seitenwandungen 5a, 5b, 5c, 5d.In the lateral pressure element area outside of the sliding elements 4, the walls of the casting mold 1 consist of a thermal insulation material made of polyurethane foam; These thermal insulation components extend slightly curved the pressure element shape following the Isolierkörperebene from a front-side slider 4 to the opposite end-side slider 4 and thus form slightly curved vertical side walls 5a, 5b, 5c, 5d.

Zwei Gleitelemente 4, 4 die an den einander gegenüberliegenden Stirnseiten des in der Gießform 1 herzustellenden Betondruckelements angeordnet sind, sind über ein (in der Zeichnung nicht dargestelltes) gemeinsames stabförmiges Verbindungselement miteinander verbunden, so dass das Verbindungselement die Länge des zugehörigen Druckelements vorgibt. Ebenso sind einander gegenüberliegende Seitenwandungen 5a, 5b einerseits und 5c, 5d andererseits über ein Verbindungselement in Form der Polyurethanschaum-Unterseite 7a, 7b der Gießform miteinander verbunden, so dass hierdurch die Breite des in der Gießform herzustellenden Druckelements vorgegeben und beibehalten wird, ohne dass sich beim Einfüllen des Betonmaterials der Abstand der Seitenwandungen durch den Druck des Betonmaterials ändern würde.Two sliding elements 4, 4 which are arranged on the opposite end faces of the concrete pressure element to be produced in the casting mold 1, are connected to one another via a common rod-shaped connecting element (not shown in the drawing), so that the connecting element predetermines the length of the associated pressure element. Likewise are opposite each other Side walls 5a, 5b on the one hand and 5c, 5d on the other hand connected via a connecting element in the form of the polyurethane foam bottom 7a, 7b of the mold, so that thereby the width of the pressure element to be produced in the mold is predetermined and maintained without interfering with the filling of the concrete material the distance between the side walls would change due to the pressure of the concrete material.

Es ist aus der Zeichnung unschwer erkennbar, dass ein in der Gießform 1 herzustellendes Druckelement Bereiche mit unterschiedlichen Funktionen hat und dass somit eine Gießform zur Herstellung dieser Bereiche dann, wenn die Gießform zusammen mit dem Druckelement in das Bauelement zur Wärmedämmung eingebaut werden soll und dort ebenso entsprechende Funktionen übernehmen soll, die Gießform mit hieran angepassten Wandungen aufgebaut sein muss. Dabei sollten also beispielsweise im Bereich der Stirnseiten des Druckelements, die zur Krafteinleitung und Kraftübertragung an das bzw. von dem angrenzenden Bauteil dienen, die Wandungen an den Stirnseiten 4 der Gießform, d.h. die Krafteinleitungsflächen 4a, 4b, 4c, 4d hinsichtlich der Gleiteigenschaften optimiert sein, während die hinsichtlich der Kraftübertragung unwichtigen seitlichen Gießform-Seitenwandungen 5a - 5d im Bereich des Isolierkörpers hinsichtlich der Wärmedämmeigenschaften optimiert sein können.It is readily apparent from the drawing that a pressure element to be produced in the mold 1 has areas with different functions and thus a mold for producing these areas when the mold is to be installed together with the pressure element in the thermal insulation component and there as well should take over corresponding functions, the mold must be constructed with adapted thereto walls. In this case, for example, in the region of the end faces of the pressure element, which serve for the introduction of force and force transmission to or from the adjacent component, the walls on the end faces 4 of the mold, i. the force introduction surfaces 4a, 4b, 4c, 4d be optimized with respect to the sliding properties, while the power transmission unimportant side mold side walls 5a - 5d in the region of the insulating body can be optimized in terms of thermal insulation properties.

Beim Ausführungsbeispiel gemäß Figur 1 ist somit das Zusatzelement zwar nur aus einer verlorenen Gießform aufgebaut, das Zusatzelement ist aber dennoch insgesamt mehrteilig, da die Gießform aus den Krafteinleitungsflächen 4a, 4b, 4c, 4d und den Seitenwandungen 5a - 5d bestehen, welche aus unterschiedlichen Materialien hergestellt sind.According to the embodiment FIG. 1 Thus, the additional element is indeed constructed only from a lost mold, but the additional element is still a total of several parts, since the mold from the force introduction surfaces 4a, 4b, 4c, 4d and the side walls 5a - 5d are made, which are made of different materials.

In Figur 2 ist ein Zusatzelement 11 dargestellt, das zusammen mit einem in Figur 2 nicht dargestellten Betondruckelement in einem erfindungsgemäßen Bauelement zur Wärmedämmung verwendet wird, welches in Figur 2 ebenfalls nicht dargestellt ist. Das Druckelement wird hierzu in einem Hohlraum 12 angeordnet. Im Gegensatz zur Ausführungsform gemäß Figur 1 ist das Zusatzelement 11 nicht nur aus einer verlorenen Gießform gebildet, sondern insgesamt aus vier Teilen 11a, 11b, 11,c und 11d, nämlich aus zwei verlorenen Gießformen 11b und 11d sowie aus zwei Ergänzungselementen 11a und 11c. Die Gießformen 11b und 11d sind im Bereich von Stirnseiten 24 des Zusatzelements 11 vorgesehen, die im Hinblick auf ihre Gleiteigenschaften auszuwählen und zu gestalten sind. Die Ergänzungselemente 11a und 11c stellen demgegenüber die Seitenwandungen 25a und 25b des Zusatzelements dar, deren Material und Form im Hinblick auf optimierte Wärmedämmeigenschaften auszuwählen ist.In FIG. 2 an additional element 11 is shown, which is used together with a concrete pressure element, not shown in Figure 2 in a device according to the invention for thermal insulation, which in FIG. 2 also not shown. The pressure element is arranged in a cavity 12 for this purpose. In contrast to the embodiment according to FIG. 1 the additional element 11 is formed not only from a lost mold, but a total of four parts 11a, 11b, 11, c and 11d, namely two lost molds 11b and 11d and two supplementary elements 11a and 11c. The molds 11b and 11d are provided in the region of end faces 24 of the additional element 11, which are to be selected and designed with regard to their sliding properties. In contrast, the supplementary elements 11a and 11c represent the side walls 25a and 25b of the additional element whose material and shape is to be selected with regard to optimized thermal insulation properties.

Während die Gießformen an der Herstellung des Druckelements formgebend beteiligt sind und in der Regel am Druckelement nach der Herstellung bis zum Einbau in das Bauelement zur Wärmedämmung verbleiben, werden die Ergänzungselemente erst nach der Herstellung des Druckelements angefügt. Während der Herstellung des Druckelements werden an den seitlichen Teilbereichen des Druckelements in der Regel wiederverwendbare Formgebungselemente vorgesehen. Diese werden nach der Herstellung des Druckelements entfernt und zur Herstellung weiterer Druckelemente wiederverwendet.While the casting molds are involved in shaping the pressure element and as a rule remain on the pressure element after production until installation in the thermal insulation component, the supplementary elements are added only after the production of the pressure element. During the production of the printing element reusable shaping elements are provided on the lateral portions of the printing element in the rule. These are removed after the production of the printing element and reused for the production of further printing elements.

Zusammenfassend bietet die vorliegende Erfindung den Vorteil, eine optimierte Gießform zur Herstellung von Druckelementen insbesondere aus einem Betonmaterial zur Verfügung zu stellen, die Teilbereiche mit unterschiedlichen Funktionen aus einem unterschiedlichen, an die jeweilige Funktion angepassten Material aufweist, so dass als Ergebnis ein Druckelement mit umgebender Gießform zur Verfügung gestellt wird, welches hinsichtlich Beweglichkeit bzw. Bewegungsaufnahme einerseits und Wärmedämmeigenschaften andererseits den bisherigen Bauformen gegenüber verbessert ist.In summary, the present invention offers the advantage of providing an optimized casting mold for the production of printing elements, in particular of a concrete material, which has subregions with different functions from a different material adapted to the respective function, so that as a result a pressure element with surrounding casting mold is made available, which in terms of mobility or movement absorption on the one hand and thermal insulation properties on the other hand, the previous designs improved.

Claims (12)

  1. Structural element for thermal insulation between two structural components, especially between a building and a projecting exterior part, the structural element consisting of an insulator body, which is to be arranged between the two structural components, and reinforcing elements, at least consisting of a compression element which in the installed state of the structural element passes through the insulator body substantially horizontally and transversely with respect to the substantially horizontal longitudinal extent of the insulator body and which is at least indirectly joinable to both structural components, wherein the compression element has an additional element (11) which surrounds the compression element at least in sub-regions and at least indirectly, wherein the compression element has a contact profile on its end face, which contact profile faces towards the structural component, wherein the compression element has been produced using a lost mould (1, 11b, 11d) and wherein the additional element is of two-part or multi-part construction and consists at least partly of the lost mould,
    characterised in that
    the mould (1, 11b, 11d), in the contact region between the compression element and the structural component, is constructed in the manner of a sliding element in the form of a sliding layer or sliding plate and, in the region outside the contact profile, it consists of a thermal insulation material.
  2. Structural element according to claim 1,
    characterised in that
    the lost mould (1, 11b, 11d) is of two-part or multi-part construction.
  3. Structural element according to at least claim 1,
    characterised in that
    the additional element (11) has, in addition to the lost mould (1), at least one further supplementary element (11a, 11c).
  4. Structural element according to at least claim 1,
    characterised in that
    the compression element, in addition to the lost mould, has been produced using a further shaping element, especially a reusable shaping element.
  5. Structural element according to at least claim 1,
    characterised in that
    the compression element consists of a curing and/or settable filler, especially a cement-containing, fibre-reinforced building material such as concrete, such as high-strength or ultra-high-strength concrete or such as high-strength or ultra-high-strength mortar, or a synthetic resin mixture or a reaction resin.
  6. Structural element according to at least claim 1,
    characterised in that
    the additional element (1, 11) and/or the mould (1, 11b, 11d) at least indirectly surround(s) the compression element in the region of the contact profile.
  7. Structural element according to at least claim 1,
    characterised in that
    the additional element (1, 11) and/or the mould (1, 11b, 11d), especially in the region of the contact profile, consist(s) of HD polyethylene and/or, especially in the region outside the contact profile, of polyurethane foam.
  8. Structural element according to at least claim 1,
    characterised in that
    the compression element has a contact profile on its end face, which contact profile is concavely or convexly curved in vertical section and/or in horizontal section and faces towards the structural component, and the additional element (1, 11) and/or the mould (1, 11b, 11d) has a convexly or concavely curved force-introduction face (4a - 4d, 24) which in vertical section and/or in horizontal section is oppositely matched in shape to the contact profile.
  9. Structural element according to at least claim 1,
    characterised in that
    the additional element (1, 11) and/or the mould (1, 11b, 11d) has been produced at least partly by injection-moulding or co-extrusion of two or more materials.
  10. Structural element according to at least claim 1,
    characterised in that
    the additional element (1, 11) and/or the lost mould (1, 11b, 11d) has been formed by joining together two or more components (4, 5a-5d, 24, 25a, 25b), the components being joined together especially by material-bonding and/or by joining methods such as adhesive bonding and/or by means of the compression element material introduced into the additional element and/or into the mould.
  11. Structural element according to at least claim 10, characterised in that
    two components of the additional element and/or of the mould that correspond to one another in terms of material, function and/or position are connected to one another by way of a connecting element.
  12. Structural element according to at least claim 1,
    characterised in that
    two adjacent compression elements have a common additional element (1, 11) and/or a common mould (1).
EP12746340.4A 2011-08-11 2012-08-13 Structural element for heat-insulating purposes Active EP2742190B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12746340T PL2742190T3 (en) 2011-08-11 2012-08-13 Structural element for heat-insulating purposes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011109958A DE102011109958A1 (en) 2011-08-11 2011-08-11 Element for thermal insulation between building and preassembled outer part, has press elements made using two-part or multi-part mold, which is arranged in combination with press elements in element for thermal insulation
DE102011109962A DE102011109962A1 (en) 2011-08-11 2011-08-11 Heat insulation element for heat insulation between cantilevered outer structure and building, has position securing elements that are positioned between compression force distributing elements and reinforcing elements
PCT/EP2012/065818 WO2013021069A1 (en) 2011-08-11 2012-08-13 Structural element for heat-insulating purposes

Publications (2)

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EP2742190A1 EP2742190A1 (en) 2014-06-18
EP2742190B1 true EP2742190B1 (en) 2017-12-20

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EP16180796.1A Withdrawn EP3118382A1 (en) 2011-08-11 2012-08-13 Structural element for heat insulation
EP12746343.8A Active EP2742191B1 (en) 2011-08-11 2012-08-13 Structural element for heat-insulating purposes
EP12746340.4A Active EP2742190B1 (en) 2011-08-11 2012-08-13 Structural element for heat-insulating purposes

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EP12746343.8A Active EP2742191B1 (en) 2011-08-11 2012-08-13 Structural element for heat-insulating purposes

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US (2) US9382705B2 (en)
EP (3) EP3118382A1 (en)
JP (2) JP2014525523A (en)
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PL (2) PL2742191T3 (en)
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Publication number Priority date Publication date Assignee Title
DE202013006229U1 (en) * 2013-07-11 2014-10-13 H-Bau Technik Gmbh Thermally insulating component
EP3272957B1 (en) * 2016-07-22 2019-11-13 SCHÖCK BAUTEILE GmbH Structural element for heat insulation
DE102016124736A1 (en) * 2016-12-19 2018-06-21 Schöck Bauteile GmbH Component for thermal insulation

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NZ229154A (en) * 1989-05-17 1994-01-26 Ernest Patrick Sansom Dividing plate and settable filler for concrete joints.
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CA2844952A1 (en) 2013-02-14
WO2013021069A1 (en) 2013-02-14
CA2844955A1 (en) 2013-02-14
EP3118382A1 (en) 2017-01-18
PL2742190T3 (en) 2018-06-29
JP2014527129A (en) 2014-10-09
EP2742191A1 (en) 2014-06-18
EP2742191B1 (en) 2016-07-27
PL2742191T3 (en) 2017-08-31
US20140190108A1 (en) 2014-07-10
EP2742190A1 (en) 2014-06-18
RU2014108884A (en) 2015-09-20
US20140202102A1 (en) 2014-07-24
WO2013021070A1 (en) 2013-02-14
KR20140068958A (en) 2014-06-09
JP2014525523A (en) 2014-09-29
RU2014108886A (en) 2015-09-20
KR20140064855A (en) 2014-05-28
US9382705B2 (en) 2016-07-05
US9435115B2 (en) 2016-09-06

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