EP2325431B1 - Method for manufacturing a thermally insulated composite profile - Google Patents

Method for manufacturing a thermally insulated composite profile Download PDF

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Publication number
EP2325431B1
EP2325431B1 EP10014586.1A EP10014586A EP2325431B1 EP 2325431 B1 EP2325431 B1 EP 2325431B1 EP 10014586 A EP10014586 A EP 10014586A EP 2325431 B1 EP2325431 B1 EP 2325431B1
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EP
European Patent Office
Prior art keywords
web
shoulder
composite profile
edge
widened
Prior art date
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Not-in-force
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EP10014586.1A
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German (de)
French (fr)
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EP2325431A3 (en
EP2325431A2 (en
Inventor
Reinhard Hirnigel
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Hydro Extruded Solutions AS
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Sapa AS
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Publication of EP2325431A2 publication Critical patent/EP2325431A2/en
Publication of EP2325431A3 publication Critical patent/EP2325431A3/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/26301—Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26305—Connection details
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/273—Frames with special provision for insulation with prefabricated insulating elements held in position by deformation of portions of the metal frame members

Definitions

  • the invention relates to a method for producing a thermally insulated composite profile for windows, doors or facades, which consists of at least two interconnected via a Dämmsteg metal profiles, wherein the widened at its longitudinal edges formed Dämmsteg is held in receiving grooves on the metal profiles. Furthermore, the invention relates to a thermally insulated composite profile for carrying out this method.
  • this shear resistance means that in a one-sided increase in temperature, ie heating of one of the composite profile forming metal profiles due to the shear strength bending of the composite profile takes place, as can be observed, for example, in a bi-metal as a desirable effect.
  • the invention is therefore an object of the invention to provide a method and a suitable method for performing composite profile in which the two metal profiles are initially shear-resistant connected to each other throughout the processing operations and only after completion of, for example, the frame for a window or a door shear strength reduced or canceled.
  • This object is achieved according to the invention in that first the at least one of its two widened edges with a lip-shaped, free to the edge projecting web extension insulation web is inserted together with the web approach in the receiving groove on the metal profile, that then the fixation of the widened edge in the receiving groove on the web approach, and that finally after completion of all other processing steps of the composite profile, namely surface treatments, sawing, cutting and milling of the composite profile, attachment of corner joints and Butt joints an at least partial separation of the web extension of the Dämmsteg done.
  • the advantage achieved by the invention consists essentially in the fact that after insertion of the Dämmsteges and its fixation in the receiving groove initially a shear-resistant connection is formed, whereby all subsequent processing steps can be performed without having to pay attention that a mutual displacement of the two metal profiles occur could. Only after completion, for example, a frame to be made of this composite profile, the separation of the web approach of the Dämmsteg, whereby the web extension relative to the Dämmsteg is displaced. Since the fixation takes place substantially over the web approach, the widened edge of the Dämmstegs can move in the longitudinal direction of the receiving groove and thus yielding thrust forces occur.
  • the separation can - depending on the required static strength - over the entire length of the Dämmsteges or even partially done, the separation is preferably carried out where bending deformations are particularly disturbing, so for example on the lock side of a door or on the Verhakungsforce a sliding door system ,
  • the separation of the web approach can be done in a preferred embodiment of the invention by cutting, tearing, punching or sawing.
  • the object of the invention in a thermally insulated composite profile, which consists of at least two interconnected via a Dämmsteg metal profiles, wherein the widened at its longitudinal edges formed Dämmsteg is held in receiving grooves on the metal profiles, and wherein the Dämmsteg widened at least one of its two Edges are provided with a lip-shaped, freely projecting to the edge and detachable from the gutter web extension is achieved in that the web extension is connected via a narrow, thinned divider to the Dämmsteg, the Dämmsteg is formed in the region of the edge cranked, and the web approach is arranged in the Kröpfungs Symposium, and wherein the web shoulder rests with the shape of the edge adapted shape at the edge or facing it with a small distance.
  • the separation is simplified, on the other hand can be easily assembled by this shaping of the Dämmsteg together with the web extension, so push it into the receiving groove of the metal profile.
  • the widened edge of the Dämmstegs is provided in the region of the pressure zone of the groove wall with a trough-shaped depression forming a spring zone for the web approach.
  • the web shoulder can deform elastically into the trough-shaped depression, so that a reproducible clamping force is applied via the deformation.
  • the thermally insulated composite profile shown in the drawing consists of two metal profiles 1,2, which are connected to each other via two Dämmstege 3.
  • the Dämmsteg 3 is formed widened at its longitudinal edges 3.1 and held with these widened edges in grooves 4 on the metal profiles 1.2.
  • the Attachment is usually such that the Dämmstege 3 are first inserted into the grooves 4 and then at least one of the receiving groove 4 forming metal strips 5 are pressed by Verwalzung the Dämmsteg 3.
  • the Dämmsteg 3 is provided at its two widened edges 3.1 each with a lip-shaped, free to the edge projecting web extension 6, said web extension 6 is connected via a narrow, thinned divider 7.
  • This thinned divider 7 serves to separate the web extension 6 after complete completion of, for example, a door frame 8 from the dam 3 ( Fig. 3c, 4th ), whereby the first shear-resistant connection between the two metal profiles 1,2 can be at least partially or partially canceled.
  • the undesirable in doors and windows "bi-metal effect" is avoided or at least reduced, which otherwise leads to unilateral heat at least to a deteriorated closing of a door or window frame.
  • the Dämmsteg 3 is formed in the range 3.1 of the edge cranked, wherein the web extension 6 is arranged in the cranking region.
  • the web approach 6 follows in its shape substantially the course of the widened edge 3.1 and this is either on or is at least at a small distance opposite.
  • the Fig. 4 shows a provided in the widened edge 3.1 of the dam bar 3 trough-shaped recess 9, which is located in the region of the pressure zone of the groove wall 5 on the Dämmsteg 3 and forms a spring zone for the web extension 6, so that by the elastic deformation of the web extension 6 a reproducible clamping force is applied.
  • a mutual displacement with reduced frictional resistance can - as in Fig. 5 indicated - the widened edge 3.1 of the dam 3 to be coated with a lubricant 10.
  • the intended for Verwalzung groove wall 5 can also, as in Fig. 6 to recognize, be provided with a constriction 11, whereby at the free edge of the groove wall 5 a pressure bar 12 is formed, which can be brought by Verwalzung on the web extension 6 to the plant.
  • the Antiksological 12 may be additionally provided with a friction increasing knurling.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines wärmegedämmten Verbundprofils für Fenster, Türen oder Fassaden, welches aus wenigstens zwei über einen Dämmsteg miteinander verbundenen Metallprofilen besteht, wobei der an seinen Längskanten verbreitert ausgebildete Dämmsteg in Aufnahmenuten an den Metallprofilen gehalten ist. Weiter betrifft die Erfindung ein wärmegedämmtes Verbundprofil zur Durchführung dieses Verfahrens.The invention relates to a method for producing a thermally insulated composite profile for windows, doors or facades, which consists of at least two interconnected via a Dämmsteg metal profiles, wherein the widened at its longitudinal edges formed Dämmsteg is held in receiving grooves on the metal profiles. Furthermore, the invention relates to a thermally insulated composite profile for carrying out this method.

Es ist aus vielfältigen Ausführungsformen in der Praxis sowie aus der DE 2729021 B1 bekannt, durch Anformen der die Aufnahmenuten bildenden Metallstege an den Dämmsteg eine kraftschlüssige Verbindung zu schaffen, wodurch eine erhöhte Schubfestigkeit in den Verbundprofilen erreicht wird. Durch diesen Kraftschluss bzw. den damit in der Regel einhergehenden Formschluss in Längsrichtung der Dämmstege wird eine Verringerung von Durchbiegungen im statischen oder dynamischen Lästfall erreicht, wie er beispielsweise bei vom Wind erzeugten Sog- oder Druckkräften auftreten kann.It is made of diverse embodiments in practice as well as from the DE 2729021 B1 known to provide by forming the grooves forming the metal webs on the Dämmsteg a frictional connection, whereby an increased shear resistance achieved in the composite profiles becomes. By virtue of this frictional connection or, as a rule, the associated positive locking in the longitudinal direction of the Dämmstege a reduction of deflections in the static or dynamic Lästfall is achieved, as it can occur, for example, in wind or suction forces generated by the wind.

Diese Schubfestigkeit führt jedoch dazu, dass bei einer einseitigen Temperaturerhöhung, also einer Erwärmung eines der das Verbundprofil bildenden Metallprofile aufgrund der Schubfestigkeit eine Durchbiegung des Verbundprofils erfolgt, wie dies beispielsweise bei einem Bi-Metall als wünschenswerter Effekt zu beobachten ist.However, this shear resistance means that in a one-sided increase in temperature, ie heating of one of the composite profile forming metal profiles due to the shear strength bending of the composite profile takes place, as can be observed, for example, in a bi-metal as a desirable effect.

Derartige Temperaturdifferenzen treten beispielsweise im Winter zwischen der Rauminnenseite und der Außenluft auf, ferner auch bei intensiver Sonneneinstrahlung insbesondere dann, wenn die der Sonne ausgesetzten Metallprofile dunkel, also mit hoher Absorpitonsfähigkeit gestaltet sind.Such temperature differences occur, for example, in the winter between the room interior and the outside air, also in intense sunlight, especially when the sun exposed metal profiles are dark, so designed with high Absorpitonsfähigkeit.

Um derartige Verformungen zu vermeiden, die nicht nur das Schließen von Fenstern oder Türen erschweren oder sogar unmöglich machen können, sondern darüber hinaus zu Undichtigkeiten führen, sind verschiedene Lösungen bekannt geworden. So beschreibt beispielsweise die EP 0 829 609 eine Anordnung, bei der der Dämmsteg zweiteilig ausgebildet ist, wobei die beiden Teile des Dämmsteges über eine Gleitführung miteinander verbunden sind.In order to avoid such deformations, which not only make the closing of windows or doors difficult or even impossible, but also lead to leaks, various solutions have become known. For example, describes the EP 0 829 609 an arrangement in which the Dämmsteg is formed in two parts, wherein the two parts of the Dämmsteges are connected to each other via a sliding guide.

Dies hat jedoch den Nachteil, dass die auf diese Weise miteinander verbundenen Metallprofile nach Montage des Dämmsteges gegeneinander verschiebbar sind, so dass bei allen weitergehenden Arbeitsschritten, denen das Verbundprofil nach Montage des Dämmsteges noch unterworfen wird, dafür gesorgt werden muss, dass die beiden Metallprofile in ihrer gegenseitigen Lage gehalten werden. Zu diesen weiteren Bearbeitungsschritten gehören insbesondere Oberflächenbehandlungen, Sägen, Ablängen und Fräsen des Verbundprofils, Anbringung von Eckverbindungen und Stoßverbindungen, wobei insbesondere beim Sägen dieser Verbundprofile die Gefahr besteht, dass bei einer gegenseitigen Verschiebung der beiden Metallprofile während des Sägevorgangs diese anschließend eine unterschiedliche Länge aufweisen.However, this has the disadvantage that the interconnected in this way metal profiles after installation of Dämmsteges are mutually displaceable, so that at All further work steps to which the composite profile is still subjected after installation of the Dämmsteges, must be taken to ensure that the two metal profiles are held in their mutual position. These further processing steps include in particular surface treatments, sawing, cutting and milling of the composite profile, attachment of corner joints and butt joints, which in particular during sawing of these composite profiles there is a risk that during a mutual displacement of the two metal profiles during the sawing these subsequently have a different length.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren und ein zur Durchführung des Verfahrens geeignetes Verbundprofil zu schaffen, bei welchem die beiden Metallprofile während der gesamten Bearbeitungsvorgänge zunächst schubfest miteinander verbunden sind und erst nach Fertigstellung beispielsweise des Rahmens für ein Fenster oder eine Tür die Schubfestigkeit verringert oder aufgehoben wird.The invention is therefore an object of the invention to provide a method and a suitable method for performing composite profile in which the two metal profiles are initially shear-resistant connected to each other throughout the processing operations and only after completion of, for example, the frame for a window or a door shear strength reduced or canceled.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass zunächst der an wenigstens einer seiner beiden verbreiterten Kanten mit einem lippenförmigen, zur Kante frei vorstehenden Stegansatz versehene Dämmsteg gemeinsam mit dem Stegansatz in die Aufnahmenut am Metallprofil eingeschoben wird, dass dann die Fixierung der verbreiterten Kante in der Aufnahmenut über den Stegansatz erfolgt, und dass schließlich nach Abschluss aller weiteren Verarbeitungsschritte des Verbundprofils, nämlich Oberflächenbehandlungen, Sägen, Ablängen und Fräsen des Verbundprofils, Anbringung von Eckverbindungen und Stoßverbindungen eine zumindest partielle Abtrennung des Stegansatzes von dem Dämmsteg erfolgt.This object is achieved according to the invention in that first the at least one of its two widened edges with a lip-shaped, free to the edge projecting web extension insulation web is inserted together with the web approach in the receiving groove on the metal profile, that then the fixation of the widened edge in the receiving groove on the web approach, and that finally after completion of all other processing steps of the composite profile, namely surface treatments, sawing, cutting and milling of the composite profile, attachment of corner joints and Butt joints an at least partial separation of the web extension of the Dämmsteg done.

Der durch die Erfindung erreichte Vorteil besteht im wesentlichen darin, dass nach Einsetzen des Dämmsteges und seiner Fixierung in der Aufnahmenut zunächst eine schubfeste Verbindung entsteht, wodurch sämtliche nachfolgenden Verarbeitungsschritte durchgeführt werden können, ohne darauf achten zu müssen, dass eine gegenseitige Verschiebung der beiden Metallprofile auftreten könnte. Erst nach Fertigstellung beispielsweise eines aus diesem Verbundprofil anzufertigenden Rahmens erfolgt die Abtrennung des Stegansatzes von dem Dämmsteg, wodurch der Stegansatz gegenüber dem Dämmsteg verschiebbar wird. Da die Fixierung im wesentlichen über den Stegansatz erfolgt, kann sich die verbreiterte Kante des Dämmstegs in Längsrichtung der Aufnahmenut bewegen und somit auftretenden Schubkräften nachgeben. Die Abtrennung kann dabei - je nach geforderter statischer Festigkeit - über die gesamte Länge des Dämmsteges oder auch nur partiell erfolgen, wobei die Abtrennung bevorzugt dort vorzunehmen ist, wo Biegeverformungen besonders störend sind, also beispielsweise auf der Schlossseite einer Tür oder auf den Verhakungsseiten einer Schiebetüranlage.The advantage achieved by the invention consists essentially in the fact that after insertion of the Dämmsteges and its fixation in the receiving groove initially a shear-resistant connection is formed, whereby all subsequent processing steps can be performed without having to pay attention that a mutual displacement of the two metal profiles occur could. Only after completion, for example, a frame to be made of this composite profile, the separation of the web approach of the Dämmsteg, whereby the web extension relative to the Dämmsteg is displaced. Since the fixation takes place substantially over the web approach, the widened edge of the Dämmstegs can move in the longitudinal direction of the receiving groove and thus yielding thrust forces occur. The separation can - depending on the required static strength - over the entire length of the Dämmsteges or even partially done, the separation is preferably carried out where bending deformations are particularly disturbing, so for example on the lock side of a door or on the Verhakungsseiten a sliding door system ,

Die Abtrennung des Stegansatzes kann in bevorzugter Ausführungsform der Erfindung durch Schneiden, Reißen, Stanzen oder Sägen erfolgen.The separation of the web approach can be done in a preferred embodiment of the invention by cutting, tearing, punching or sawing.

Weiter empfiehlt es sich im Rahmen der Erfindung, die Abtrennung des Stegansatzes nur in Bereichen ohne oder mit nur geringer statischer Beanspruchung vorzunehmen.It is also recommended in the context of the invention to carry out the separation of the web approach only in areas with no or only little static stress.

Um eine Längsbewegung des Dämmstegs nach erfolgter Abtrennung des Stegansatzes zu ermöglichen, wird im Rahmen der Erfindung weiter vorgeschlagen, dass die Fixierung des Dämmsteges in der Aufnahmenut durch nur einseitige Rändelung der zur Anlage an dem Stegansatz kommenden Nutwand erfolgt.In order to enable a longitudinal movement of the Dämmstegs after the separation of the web extension, it is further proposed in the invention that the fixation of the Dämmsteges takes place in the receiving groove by only one-sided knurling of coming to rest on the web groove wall.

In vorrichtungsmäßiger Hinsicht wird die erfindungsgemäße Aufgabe bei einem wärmegedämmten Verbundprofil, das aus wenigstens zwei über einen Dämmsteg miteinander verbundenen Metallprofilen besteht, wobei der an seinen Längskanten verbreitert ausgebildete Dämmsteg in Aufnahmenuten an den Metallprofilen gehalten ist, und wobei der Dämmsteg an wenigstens einer seiner beiden verbreiterten Kanten mit einem lippenförmigen, zur Kante frei vorstehenden und von dem Dämmsteg abtrennbaren Stegansatz versehen ist, dadurch gelöst, dass der Stegansatz über einen schmalen, gedünnten Trennsteg an den Dämmsteg angeschlossen ist, wobei der Dämmsteg im Bereich der Kante gekröpft ausgebildet ist, und der Stegansatz im Kröpfungsbereich angeordnet ist, und wobei der Stegansatz mit dem Verlauf der Kante angepasster Form an der Kante anliegt oder dieser mit geringem Abstand gegenübersteht. Dadurch wird einerseits die Abtrennung vereinfacht, andereseits lässt sich durch diese Formgebung der Dämmsteg gemeinsam mit dem Stegansatz leicht montieren, also in die Aufnahmenut des Metallprofils einschieben.In terms of the device, the object of the invention in a thermally insulated composite profile, which consists of at least two interconnected via a Dämmsteg metal profiles, wherein the widened at its longitudinal edges formed Dämmsteg is held in receiving grooves on the metal profiles, and wherein the Dämmsteg widened at least one of its two Edges are provided with a lip-shaped, freely projecting to the edge and detachable from the gutter web extension is achieved in that the web extension is connected via a narrow, thinned divider to the Dämmsteg, the Dämmsteg is formed in the region of the edge cranked, and the web approach is arranged in the Kröpfungsbereich, and wherein the web shoulder rests with the shape of the edge adapted shape at the edge or facing it with a small distance. As a result, on the one hand the separation is simplified, on the other hand can be easily assembled by this shaping of the Dämmsteg together with the web extension, so push it into the receiving groove of the metal profile.

Weiter hat es sich als vorteilhaft erwiesen, wenn die zur Fixierung des Dämmsteges durch Verwalzung vorgesehene, in Anlage an den Stegansatz kommende Nutwand im Anlagebereich keil- bzw. hammerförmig ausgebildet ist. Darüber hinaus ist es hilfreich, den an dem Dämmsteg zur Anlage kommenden, keil- bzw. hammerförmig ausgebildeten Nutwandbereich mit einer Rändelung zu versehen, wodurch sich der Schubverbund zwischen Metallprofil und Stegansatz erhöht, während er an den übrigen Nutwandbereichen niedrig ist.Furthermore, it has proven to be advantageous if the intended for fixing the Dämmsteges by Verwalzung, coming into contact with the web approach groove wall in the contact area wedge or hammer-shaped. In addition, it is helpful to plant the dam coming, wedge-shaped or hammer-shaped groove wall area to be provided with a knurling, which increases the shear bond between metal profile and web shoulder, while it is low on the other Nutwandbereichen.

Hierbei kann es sich weiter empfehlen, dass die verbreiterte Kante des Dämmstegs im Bereich der Andruckzone der Nutwand mit einer eine Federzone für den Stegansatz bildenden muldenförmigen Vertiefung versehen ist. Hierdurch kann sich der Stegansatz elastisch in die muldenförmige Vertiefung hinein verformen, so dass über die Verformung eine reproduzierbare Klemmkraft aufgebracht wird.It may be further recommended that the widened edge of the Dämmstegs is provided in the region of the pressure zone of the groove wall with a trough-shaped depression forming a spring zone for the web approach. As a result, the web shoulder can deform elastically into the trough-shaped depression, so that a reproducible clamping force is applied via the deformation.

Um eine leichte Verschiebbarkeit des abgetrennten Stegansatzes gegenüber dem Dämmsteg zu ermöglichen, kann es sinnvoll sein, die verbreiterte Kante des Dämmstegs mit einem Gleitmittel zu beschichten.In order to enable a slight displaceability of the separated web extension relative to the Dämmsteg, it may be useful to coat the widened edge of the Dämmstegs with a lubricant.

Schließlich besteht noch die Möglichkeit, dass die zur Verwalzung vorgesehene Nutwand mit einer eine Andruckleiste bildenden und deren Umformung und spätere Abtrennung erleichternden Einschnürung versehen ist. Dadurch bleibt auch nach der Verwalzung der Nutboden mit den angrenzenden Wänden unverformt, wodurch die Verschiebbarkeit des Dämmstegs innerhalb der Aufnahmenut sichergestellt ist, während lediglich die über die Einschnürung an die Nutwand angeschlossene Andruckleiste gegen den Stegansatz hin umgeformt wird.Finally, there is the possibility that the groove wall provided for Verwalzung is provided with a pressure strip forming and facilitating their transformation and subsequent separation constriction. This remains undeformed even after the Verwalzung the groove bottom with the adjacent walls, whereby the displaceability of the Dämmstegs is ensured within the receiving groove, while only the connected via the constriction of the groove wall Andruckleiste is formed against the web approach out.

Im Folgenden wird die Erfindung an einem in der Zeichnung dargestellten Ausführungsbeispiel näher erläutert; es zeigen:

Fig. 1
ein wärmegedämmtes Verbundprofil nach der Erfindung,
Fig. 2
eine Detaildarstellung des Dämmsteges mit einem Stegansatz,
Fig. 3
in den Teilfiguren a-c eine Aufnahmenut am Metallprofil ohne und mit eingesetztem Dämmsteg und schließlich nach erfolgter Verwalzung,
Fig. 4
die Darstellung nach 3 c, jedoch nach Abtrennung des Stegansatzes,
Fig. 5
eine Teildarstellung des Dämmsteges, beschichtet mit einem Gleitmittel,
Fig. 6
eine weitere Ausgestaltung der Aufnahmenut des Metallprofils,
Fig. 7
eine Türe in Draufsicht mit angedeuteter partieller Abtrennung des Stegansatzes vom Dämmsteg.
In the following the invention will be explained in more detail in an embodiment shown in the drawing; show it:
Fig. 1
a thermally insulated composite profile according to the invention,
Fig. 2
a detailed representation of the Dämmsteges with a web approach,
Fig. 3
in the subfigures ac a receiving groove on the metal profile without and with inserted Dämmsteg and finally after Verwalzung,
Fig. 4
the representation after 3 c, but after separation of the web approach,
Fig. 5
a partial view of the Dämmsteges, coated with a lubricant,
Fig. 6
a further embodiment of the receiving groove of the metal profile,
Fig. 7
a door in plan view with indicated partial separation of the web extension of Dämmsteg.

Das in der Zeichnung dargestellte wärmegedämmte Verbundprofil besteht aus zwei Metallprofilen 1,2, die über zwei Dämmstege 3 miteinander verbunden sind. Der Dämmsteg 3 ist dazu an seinen Längskanten 3.1 verbreitert ausgebildet und mit diesen verbreiterten Kanten in Aufnahmenuten 4 an den Metallprofilen 1,2 gehalten. Die Befestigung erfolgt üblicherweise derart, dass die Dämmstege 3 zunächst in die Aufnahmenuten 4 eingeschoben werden und dann wenigstens eine der die Aufnahmenut 4 bildenden Metallleisten 5 durch Verwalzung an den Dämmsteg 3 angedrückt werden.The thermally insulated composite profile shown in the drawing consists of two metal profiles 1,2, which are connected to each other via two Dämmstege 3. The Dämmsteg 3 is formed widened at its longitudinal edges 3.1 and held with these widened edges in grooves 4 on the metal profiles 1.2. The Attachment is usually such that the Dämmstege 3 are first inserted into the grooves 4 and then at least one of the receiving groove 4 forming metal strips 5 are pressed by Verwalzung the Dämmsteg 3.

Wie sich insbesondere aus der Figur 2 ersehen lässt, ist der Dämmsteg 3 an seinen beiden verbreiterten Kanten 3.1 jeweils mit einem lippenförmigen, zur Kante frei vorstehenden Stegansatz 6 versehen, wobei dieser Stegansatz 6 über einen schmalen, gedünnten Trennsteg 7 angeschlossen ist. Dieser gedünnte Trennsteg 7 dient dazu, den Stegansatz 6 nach erfolgter vollständiger Fertigstellung beispielsweise eines Türrahmens 8 vom Dämmsteg 3 abzutrennen (Fig. 3c, 4), wodurch die zunächst schubfeste Verbindung zwischen den beiden Metallprofilen 1,2 zumindest teilweise bzw. partiell aufgehoben werden kann. Dadurch wird der bei Türen und Fenstern unerwünschte "Bi-Metall-Effekt" vermieden oder zumindest vermindert, der sonst bei einseitiger Wärmeeinwirkung zumindest zu einem verschlechterten Schließen eines Tür- oder Fensterrahmens führt.As can be seen in particular from the FIG. 2 can be seen, the Dämmsteg 3 is provided at its two widened edges 3.1 each with a lip-shaped, free to the edge projecting web extension 6, said web extension 6 is connected via a narrow, thinned divider 7. This thinned divider 7 serves to separate the web extension 6 after complete completion of, for example, a door frame 8 from the dam 3 ( Fig. 3c, 4th ), whereby the first shear-resistant connection between the two metal profiles 1,2 can be at least partially or partially canceled. As a result, the undesirable in doors and windows "bi-metal effect" is avoided or at least reduced, which otherwise leads to unilateral heat at least to a deteriorated closing of a door or window frame.

Wie sich weiter aus der Fig. 2 ersehen lässt, ist der Dämmsteg 3 im Bereich 3.1 der Kante gekröpft ausgebildet, wobei der Stegansatz 6 im Kröpfungsbereich angeordnet ist. Der Stegansatz 6 folgt in seiner Gestalt im wesentlichen dem Verlauf der verbreiterten Kante 3.1 und liegt dieser entweder an oder steht ihr zumindest in nur geringem Abstand gegenüber.As is further from the Fig. 2 can be seen, the Dämmsteg 3 is formed in the range 3.1 of the edge cranked, wherein the web extension 6 is arranged in the cranking region. The web approach 6 follows in its shape substantially the course of the widened edge 3.1 and this is either on or is at least at a small distance opposite.

Wie unter anderem aus der Fig. 3 zu ersehen ist, ist die zur Fixierung des Dämmsteges 3 durch Verwalzung vorgesehene und in Anlage an den Stegansatz 6 kommende Nutwand 5 im Anlagebereich keil- bzw. hammerförmig ausgebildet.Like among others from the Fig. 3 can be seen, which is provided for fixing the Dämmsteges 3 by Verwalzung and coming into contact with the web approach 6 groove wall 5 in the contact area wedge or hammer-shaped.

Die Fig. 4 zeigt eine in der verbreiterten Kante 3.1 des Dämmsteges 3 vorgesehene muldenförmige Vertiefung 9, die sich im Bereich der Andruckzone der Nutwand 5 an dem Dämmsteg 3 befindet und eine Federzone für den Stegansatz 6 bildet, so dass durch die elastische Verformung des Stegansatzes 6 eine reproduzierbare Klemmkraft aufgebracht wird.The Fig. 4 shows a provided in the widened edge 3.1 of the dam bar 3 trough-shaped recess 9, which is located in the region of the pressure zone of the groove wall 5 on the Dämmsteg 3 and forms a spring zone for the web extension 6, so that by the elastic deformation of the web extension 6 a reproducible clamping force is applied.

Um nach Abtrennung des Stegansatzes 6 von dem Dämmsteg 3 eine gegenseitige Verschiebung mit reduziertem Reibungswiderstand zu ermöglichen, kann - wie in Fig. 5 angedeutet - die verbreiterte Kante 3.1 des Dämmstegs 3 mit einem Gleitmittel 10 beschichtet sein.In order to allow for separation of the web extension 6 of the Dämmsteg 3 a mutual displacement with reduced frictional resistance, can - as in Fig. 5 indicated - the widened edge 3.1 of the dam 3 to be coated with a lubricant 10.

Die für die Verwalzung vorgesehene Nutwand 5 kann auch, wie in Fig. 6 zu erkennen, mit einer Einschnürung 11 versehen sein, wodurch am freien Rand der Nutwand 5 eine Andruckleiste 12 gebildet wird, die durch Verwalzung am Stegansatz 6 zur Anlage gebracht werden kann. Im Anlagebereich am Dämmsteg 3 kann die Andrucksleiste 12 zusätzlich mit einer die Friktion erhöhenden Rändelung versehen sein. Hierdurch erfolgt lediglich eine Umformung der Andruckleiste 12, während die Nutwand 5 als solche keine Umformung erfährt, so daß die freie Verschiebbarkeit des Dämmstegs 3 innerhalb der Aufnahmenut 4 gewährleistet ist.The intended for Verwalzung groove wall 5 can also, as in Fig. 6 to recognize, be provided with a constriction 11, whereby at the free edge of the groove wall 5 a pressure bar 12 is formed, which can be brought by Verwalzung on the web extension 6 to the plant. In the contact area on the Dämmsteg 3, the Andrucksleiste 12 may be additionally provided with a friction increasing knurling. As a result, only a deformation of the pressure bar 12, while the groove wall 5 undergoes no deformation as such, so that the free displacement of the Dämmstegs 3 is ensured within the receiving groove 4.

Damit besteht die Möglichkeit, das Verbundprofil in konventioneller Weise zu fertigen, also den Dämmsteg 3 gemeinsam mit dem Stegansatz 6 in die Aufnahmenut 4 einzuschieben und sodann die zur Fixierung des Dämmstegs 3 in der Aufnahmenut 4 erforderliche Verwalzung vorzunehmen. Danach sind die beiden Metallprofile 1,2 des Verbundprofils schubfest miteinander verbunden und können ohne besondere weitere Maßnahmen allen weiteren Fertigungs- und Bearbeitungsschritten unterworfen werden. Erst nach vollständiger Montage des Verbundprofils beispielsweise zu einem Rahmen erfolgt dann die - gegebenenfalls nur partielle - Abtrennung des Stegansatzes 6 von dem Dämmsteg 3 bzw. die Abtrennung der Andrucksleiste 12 längs der Einschnürung 11 von dem Metallprofil 1,2, wodurch dann die Schubfestigkeit in diesen Bereichen aufgehoben oder zunmindest verringert wird. Diese Abtrennung kann durch Schneiden, Reißen, Stanzen oder Sägen erfolgen, wobei die Abtrennung im Übrigen begrenzt sein kann auf solche Bereiche, die keine oder nur eine geringe statische Beanspruchung erfahren.This makes it possible to manufacture the composite profile in a conventional manner, ie insert the Dämmsteg 3 together with the web extension 6 in the receiving groove 4 and then make the required for fixing the Dämmstegs 3 in the receiving groove 4 Verwalzung. Thereafter, the two metal profiles of the composite profile 1.2 are shear-resistant connected to each other and can be subjected to any further manufacturing and processing steps without special further measures. Only after complete assembly of the composite profile, for example, to a frame then takes place - possibly only partial - separation of the web extension 6 of the Dämmsteg 3 and the separation of Andrucksleiste 12 along the constriction 11 of the metal profile 1.2, which then the shear strength in this Areas is abolished or at least reduced. This separation can be done by cutting, tearing, punching or sawing, the separation may otherwise be limited to those areas that experience little or no static stress.

Claims (9)

  1. Method for manufacturing a thermally-insulated composite profile for windows, doors or shopfronts, comprising at least two metal profiles (1, 2) connected to one another via an insulating web (3), wherein the insulating web (3) constituted to be widened at its longitudinal edges (3.1) is held in retaining grooves (4) in the metal profiles (1, 2),
    characterised in that
    initially, the insulating web (3), provided on at least one of its two widened edges (3.1) with a lip-shaped web shoulder (6) projecting freely relative to the edge (3.1), is pushed together with the web shoulder (6) into the retaining groove (4) in the metal profile (1, 2),
    that the fixing of the widened edge (3.1) within the retaining groove (4) via the web shoulder (6) is then implemented, and that finally, after completion of all further processing steps of the composite profile, namely, surface treatments, sawing, cutting to length and milling of the composite profile, attachment of corner connections and butt connections, an at least partial separation of the web shoulder (6) from the insulating web (3) is implemented.
  2. Method according to claim 1,
    characterised in that
    the separation of the web shoulder (6) is implemented by cutting, tearing, punching or sawing.
  3. Method according to claim 1 or 2,
    characterised in that
    the separation of the web shoulder (6) is implemented only in regions without or with only slight static loading.
  4. Method according to one of claims 1 to 3,
    characterised in that
    the fixing of the insulating web (3) in the retaining groove (4) is implemented through knurling on one side only of the groove wall (5) coming into contact with the web shoulder (6).
  5. Thermally-insulated composite profile in an arrangement for the implementation of the method according to claims 1 to 4, comprising at least two metal profiles (1, 2) connected to one another via an insulating web (3), wherein the insulating web (3) constituted widened at its longitudinal edges (3.1) is held in retaining grooves (4) in the metal profiles (1, 2), and the insulating web (3) is provided on at least one of its two widened edges (3.1) with a lip-shaped web shoulder (6) projecting freely relative to the edge (3.1) and capable of being separated from the insulating web (3),
    characterised in that
    the web shoulder (6) is connected to the insulating web (3) via a narrow, thinned separating web (7),
    wherein further, the insulating web (3) is embodied crimped in the region of the edge (3.1), and the web shoulder (6) is arranged in the crimped region, and wherein further, the web shoulder (6) is in contact with the course (3.1) of the edge (3.1) with a shape matching the edge (3.1) or stands opposite to the latter at a slight distance.
  6. Thermally insulated composite profile according to claim 5, characterised in that
    the groove wall (5) provided by rolling for the fixing of the insulating web (3) which comes into contact with the web shoulder (6), is constituted in the contact region in a wedge shape or respectively hammer shape.
  7. Thermally insulated composite profile according to claim 6,
    characterised in that
    the widened edge (3.1) of the insulating web (3) is provided, in the region of the compression zone of the groove wall (5), with a trough-shaped recess (9) forming a resilient zone for the web shoulder (6).
  8. Thermally insulated composite profile according to one of claims 5 to 7,
    characterised in that
    the widened edge (3.1) of the insulating web (3) is coated with a lubricant (10).
  9. Thermally insulated composite profile according to one of claims 5 to 8,
    characterised in that
    the groove wall (5) presented for the rolling is provided with a throat (11) forming a press-on strip (12) and facilitating its reshaping and subsequent separation.
EP10014586.1A 2009-11-21 2010-11-13 Method for manufacturing a thermally insulated composite profile Not-in-force EP2325431B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910054178 DE102009054178B3 (en) 2009-11-21 2009-11-21 Method for producing a thermally insulated composite profile

Publications (3)

Publication Number Publication Date
EP2325431A2 EP2325431A2 (en) 2011-05-25
EP2325431A3 EP2325431A3 (en) 2014-03-05
EP2325431B1 true EP2325431B1 (en) 2016-07-20

Family

ID=43733945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10014586.1A Not-in-force EP2325431B1 (en) 2009-11-21 2010-11-13 Method for manufacturing a thermally insulated composite profile

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EP (1) EP2325431B1 (en)
DE (1) DE102009054178B3 (en)
PL (1) PL2325431T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106836525A (en) * 2016-12-21 2017-06-13 无为县佳明铝塑材料有限公司 A kind of bridge cut-off column section

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2530230B1 (en) * 2011-05-30 2016-12-28 Kawneer Aluminium Deutschland Inc. Isolating bar for door and window frames
DE102013204693A1 (en) 2012-03-19 2013-09-19 Harald Schulz Damming bar i.e. double damming bar, for mounting between two metal profiles in e.g. door of building, has two portions movable relative to each other, where bond, welded joint, bracket, screw and band produce connection between portions
DE102017217183B3 (en) * 2017-09-27 2019-02-28 Geze Gmbh Corner and / or butt joint

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Publication number Priority date Publication date Assignee Title
DE2729021C2 (en) * 1977-06-28 1982-02-04 Wieland-Werke Ag, 7900 Ulm Process for the production of a thermally insulated composite profile for windows, doors or the like.
DE3530003A1 (en) * 1984-08-23 1986-03-06 Konstruktionsbüro Margot Steinmetz, 6550 Bad Kreuznach Connecting arrangement
DE3501233A1 (en) * 1985-01-16 1986-07-17 IsKoAl Firmengruppe für Fenster- und Türsysteme GmbH, 3167 Burgdorf Method for manufacturing a multipart profiled frame
DE4021796A1 (en) * 1990-07-09 1992-01-16 Konstruktionsbuero Margot Stei CONNECTING ARRANGEMENT
DE29623019U1 (en) * 1996-09-17 1997-08-28 Schüco International KG, 33609 Bielefeld Insulated composite profile for doors, windows or facades
DE19735702A1 (en) * 1997-08-16 1999-02-18 Tegtmeier Metallbau Insulating bridge piece for inner and outer shell of aluminium profiles
DE202007016649U1 (en) * 2007-04-02 2008-04-30 Technoform Caprano Und Brunnhofer Gmbh & Co. Kg Ladder-shaped insulating bar for a composite profile for window, door and facade elements and composite profile for window, door and facade elements
ITMI20071932A1 (en) * 2007-10-05 2009-04-06 Norsk Hydro As HALF-SHAPED TO MAKE THERMAL OR SIMILAR CUTTING WINDOWS, RELATED PROFILE AND RELATIVE ASSEMBLY PROCESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106836525A (en) * 2016-12-21 2017-06-13 无为县佳明铝塑材料有限公司 A kind of bridge cut-off column section

Also Published As

Publication number Publication date
EP2325431A3 (en) 2014-03-05
EP2325431A2 (en) 2011-05-25
DE102009054178B3 (en) 2011-06-01
PL2325431T3 (en) 2017-01-31

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