EP1347141B1 - Method for manufacturing of an insulating strip - Google Patents

Method for manufacturing of an insulating strip Download PDF

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Publication number
EP1347141B1
EP1347141B1 EP03005560A EP03005560A EP1347141B1 EP 1347141 B1 EP1347141 B1 EP 1347141B1 EP 03005560 A EP03005560 A EP 03005560A EP 03005560 A EP03005560 A EP 03005560A EP 1347141 B1 EP1347141 B1 EP 1347141B1
Authority
EP
European Patent Office
Prior art keywords
insulating
insulating strip
profile
plastics profile
trough
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03005560A
Other languages
German (de)
French (fr)
Other versions
EP1347141A1 (en
Inventor
Andreas Leistner
Rolf Nienhüser
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Schueco International KG
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Schueco International KG
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Publication date
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Publication of EP1347141A1 publication Critical patent/EP1347141A1/en
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Publication of EP1347141B1 publication Critical patent/EP1347141B1/en
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • 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
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26321—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section with additional prefab insulating materials in the hollow space
    • 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
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26325—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space
    • 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
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26325—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space
    • E06B2003/2633—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space the insulating strips between the metal sections having ribs extending into the hollow space
    • 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
    • E06B2003/26349—Details of insulating strips
    • E06B2003/26369—Specific material characteristics
    • E06B2003/26374—Specific material characteristics with parts of differing nature

Definitions

  • the present invention relates to a method for producing a heat-insulating and connecting web for the connection of an outer shell and an inner shell of a thermally insulated profile, wherein the insulating and connecting web of a plastic profile and an associated insulating strip consists of a heat-insulating foam, initially the plastic profile extruded as a cross-section trough-shaped plastic profile and then introduced into the trough-shaped region an insulating foam in the liquid state and is then foamed with simultaneous connection to the plastic profile to an over the trough-shaped area beyond the insulating strip.
  • Thermally insulated profiles basically have the structure of an outer shell, an inner shell and an intervening, the thermal insulation serving area.
  • the outer and inner shell is made of a thermally insulated profile usually made of aluminum, for the purpose of thermal insulation then these two shells are connected by plastic insulating and connecting webs. Alone through the use of insulating and connecting webs made of plastic, a certain thermal insulation is achieved.
  • the present invention has for its object to provide a method of the generic type, by means of which a very good thermal insulation achieved insulating and connecting web is inexpensive to produce.
  • the insulating strip is foamed freely beyond the plastic profile without additional limitation, wherein the trough-shaped portion of the plastic profile limiting side edges perpendicular or slightly inclined to each other to the base of the plastic profile and a guide of the plane beyond the plastic profile form foaming insulating material.
  • the insulating strip is therefore foamed directly to the plastic profile and thus requires no additional definition by additional fasteners, as well as requires no further processing time to connect the insulating strip with the plastic profile.
  • the insulating strip can be frothed freely on the plastic profile during foaming without additional lateral boundary, since the trough-shaped region of the plastic profile in its side edges is such that these side edges are perpendicular or slightly inclined to each other (eg., 0 to 10 °) to the base of the plastic profile and form a guide of the over the level of the plastic profile also intumescent insulation material.
  • this guide can be considerably improved without appreciable cost that are formed during extrusion of the plastic profile over the remaining area of the plastic profile beyond projecting guide webs on which the foamed insulating strip projects upwards.
  • a metalworker can hold a variety of different sized connecting and insulating bars according to the present invention in stock and then depending on the application completely without any problems and without any reworking for the production of thermally insulated profiles.
  • Fig. 1 is shown as an example of thermally insulated profiles, a window frame 1 and a sash 2 of a window.
  • the frame 1 is made as the sash 2 as a composite profile.
  • Each composite profile comprises an inner shell 3 consisting of a metal profile and an outer shell 4 also consisting of a metal profile.
  • the inner shell 3 is connected to the outer shell 4 via a connecting web 5 of known design as well as an insulating and connecting web 6 according to the invention.
  • the insulating and connecting web 5 consists of a plastic profile 7 and an associated insulating strip 8 of a heat-insulating foam.
  • the plastic profile 7 serves as the commercial connection web 6 for connecting inner shell 3 and outer shell. 4
  • the middle region of the plastic profile 7 located between the end regions 9 has a trough-shaped design 10, wherein the lateral edges are delimited by guide webs 11 slightly projecting upwards over the plastic profile 7.
  • guide webs 11 slightly projecting upwards over the plastic profile 7.
  • An insulating and connecting web 6 is prepared in such a way that initially provided with the trough-shaped cross section plastic profile 7 is extruded, then introduced into the trough-shaped region 10 an insulating foam in the liquid state and then with simultaneous connection to the plastic profile 7 to a on the trough-shaped area 10 also protruding insulating strip 8 is foamed.
  • the integrally formed guide webs 11 it is possible to foam the insulating material relative to the plastic profile 7 to well beyond the upper limit of the plastic profile 7 addition, as is practically predetermined by the guide webs 11, in which direction the foaming material can expand.
  • insulating foam connects to the plastic profile 7, by self-adhesive, through which in the lateral edges of the foamed Insulating strip 8 projecting holding or anchoring webs 12 is achieved an additional, positive fixing.
  • the foaming and the insulating strip 8 forming material can also be calibrated during the foaming by lateral baffles, said side baffles are not part of the insulating and connecting web 6 or are. It is also possible, after curing of the insulating strip 8 to bring them by machining in a particular cross-sectional shape.
  • the insulating and connecting web can be made in relatively long lengths and stored. If necessary, then a metal worker can cut off corresponding lengths of the intermediate profile and produce correspondingly thermally insulated profiles.
  • 3 to 5 show that it is possible to manufacture the insulating strip 8 in different height dimensions, in order to prefabricate corresponding insulating and connecting webs 6 for a wide variety of applications.
  • the trough-shaped region 10 of the plastic profile 7 is flat in the bottom region.
  • Fig. 6 shows an embodiment in which in the trough-shaped region 10 between the two guide webs 11 has a notch-like collection 13. Through this, a portion of the plastic profile 7 is extremely reduced in cross-section, whereby a particularly high insulating effect is achieved. Since the insulating strip 8 is firmly connected to the plastic profile 7, this cross-sectional reduction of the plastic profile leads 7 not to a significant static weakening of the entire insulating and connecting web. 6
  • the Dämmador 8 can optionally and be formed as needed from a hard or soft foam.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Building Environments (AREA)
  • Moulding By Coating Moulds (AREA)
  • Wing Frames And Configurations (AREA)
  • Thermal Insulation (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The method for producing a connecting and insulating member (6) joining the inner and outer shells of a thermally insulating structure involves extrusion of plastic trough-shaped profile (7), filling of the latter with a liquid insulation material, and foaming of this material to produce an insulating strip (8) attached to the surface (10) of the profile (7). An Independent claim is also included for a resultant connecting and insulating member.

Description

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines wärmedämmenden Isolier- und Verbindungssteges für die Verbindung einer Außenschale und einer Innenschale eines wärmegedämmten Profiles, wobei der Isolier- und Verbindungssteg aus einem Kunststoffprofil und einer damit verbundenen Dämmleiste aus einem wärmedämmenden Isolierschaum besteht, wobei zunächst das Kunststoffprofil als im Querschnitt wannenförmiges Kunststoffprofil extrudiert und danach in den wannenförmigen Bereich ein Isolierschaum im flüssigen Zustand eingebracht und anschließend unter gleichzeitiger Verbindung mit dem Kunststoffprofil zu einer über den wannenförmigen Bereich hinaus vorstehenden Dämmleiste aufgeschäumt wird.The present invention relates to a method for producing a heat-insulating and connecting web for the connection of an outer shell and an inner shell of a thermally insulated profile, wherein the insulating and connecting web of a plastic profile and an associated insulating strip consists of a heat-insulating foam, initially the plastic profile extruded as a cross-section trough-shaped plastic profile and then introduced into the trough-shaped region an insulating foam in the liquid state and is then foamed with simultaneous connection to the plastic profile to an over the trough-shaped area beyond the insulating strip.

Wärmegedämmte Profile weisen grundsätzlich den Aufbau aus einer Außenschale, einer Innenschale und einem dazwischen liegenden, der Wärmedämmung dienenden Bereich auf.Thermally insulated profiles basically have the structure of an outer shell, an inner shell and an intervening, the thermal insulation serving area.

Die Außen- und Innenschale ist bei einem wärmegedämmten Profil in der Regel aus Aluminium hergestellt, zum Zwecke der Wärmedämmung werden dann diese beiden Schalen durch aus Kunststoff gefertigte Isolier- und Verbindungsstege miteinander verbunden. Schon alleine durch die Verwendung von aus Kunststoff gefertigten Isolier- und Verbindungsstegen wird eine gewisse Wärmedämmung erreicht.The outer and inner shell is made of a thermally insulated profile usually made of aluminum, for the purpose of thermal insulation then these two shells are connected by plastic insulating and connecting webs. Alone through the use of insulating and connecting webs made of plastic, a certain thermal insulation is achieved.

In der Praxis ist diese in der Regel aber nicht ausreichend, da die Luft innerhalb der Hohlkammer, die zwischen der Außenschale, der Innenschale und den Isolier- und Verbindungsstegen entsteht, frei zirkulieren kann, was für die gewünschte Wärmedämmung nachteilig ist.In practice, this is usually not sufficient, since the air within the hollow chamber, which arises between the outer shell, the inner shell and the insulating and connecting webs, can circulate freely, which is detrimental to the desired thermal insulation.

Es sind deshalb vielfältige Maßnahmen ergriffen worden, um diesen Nachteil zu beheben.Therefore, various measures have been taken to remedy this disadvantage.

So ist es bekannt, den besagten Hohlraum vollständig auszuschäumen.Thus, it is known to completely foam said cavity.

Diese Maßnahme hat verschiedene Nachteile.This measure has several disadvantages.

Zum einen ist ein kontrolliertes und optimales Ausfüllen der Hohlkammer durch ein aufschäumendes Material nicht möglich und andererseits hat sich gezeigt, dass eine Verbesserung der Wärmedämmung erreicht werden kann, wenn die Hohlkammer nicht vollständig ausgefüllt ist, so dass zwischen der Außenschale und der Innenschale Luftspalte verbleiben, die aber ein Zirkulieren der Luft verhindern.On the one hand, a controlled and optimal filling of the hollow chamber by a foaming material is not possible and on the other hand, it has been shown that an improvement of the thermal insulation can be achieved if the hollow chamber is not completely filled, so that remain between the outer shell and the inner shell air gaps, but prevent circulation of the air.

Man hat deshalb Isolier- und Verbindungsstege entwickelt, die mit in die Hohlkammer hineinragenden und zumindest eine Dämmleiste aus einem wärmedämmenden Isolierschaum aufweisenden Bereichen versehen sind.It has therefore been developed insulating and connecting webs, which are provided with projecting into the hollow chamber and at least one insulating strip made of a heat insulating insulating foam having areas.

Dabei ist es beispielsweise aus der DE 297 04 201 U bekannt, das Kunststoffprofil mit Stegen auszustatten, die als seitliche Begrenzungswandungen für die Dämmleiste dienen. Dies bedeutet, dass die Stege genauso weit über das Kunststoffprofil hinaus vorstehen wie die Dämmleiste selbst.It is known, for example from DE 297 04 201 U, to equip the plastic profile with webs, which serve as lateral boundary walls for the insulating strip. This means that the bars protrude as far beyond the plastic profile as the insulating strip itself.

Die DE 196 22 278 A zeigt eine ähnliche Lösung, wobei hier für die eingeschäumte Dämmleiste eine zusätzliche Schalung vorgesehen ist.DE 196 22 278 A shows a similar solution, in which case an additional formwork is provided here for the foamed insulating strip.

Es ist auch schon vorgeschlagen worden, im wesentlichen nur die Dämmleiste deutlich über das Kunststoffprofil hinaus vorstehen zu lassen. Um dies zu erreichen, sind entweder Dämmleisten separat gefertigt und nach ihrer Aushärtung mit einem Kunststoffprofil verbunden worden oder man hat zunächst Kunststoffprofile mit einer Hohlkammer vorgefertigt, diese Hohlkammer mit wärmedämmendem Isolierschaum ausgefüllt und dann die wesentlichen Bereiche der die Dämmleiste umschließenden Wandung weggefräst.It has also been proposed to let essentially only the insulating strip project well beyond the plastic profile addition. To achieve this, either Dämmleisten are manufactured separately and connected after curing with a plastic profile or you have first prefabricated plastic profiles with a hollow chamber, filled this hollow chamber with insulating insulating foam and then weggefräst the essential areas of the insulating strip enclosing wall.

Die skizzierten Lösungen können in der Praxis nicht umfassend befriedigen, sei es wegen des hohen Materialeinsatzes für die Kunststoffprofile und/oder wegen zeitaufwändiger Montagearbeiten und häufig notwendiger, aufwendiger Nachbearbeitung.The outlined solutions can not fully satisfy in practice, either because of the high material usage for the plastic profiles and / or because of time-consuming assembly work and often necessary, consuming post-processing.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, ein Verfahren der gattungsgemäßen Art aufzuzeigen, mittels dessen ein eine sehr gute Wärmedämmung erzielender Isolier- und Verbindungssteg kostengünstig herstellbar ist.Therefore, the present invention has for its object to provide a method of the generic type, by means of which a very good thermal insulation achieved insulating and connecting web is inexpensive to produce.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Dämmleiste ohne zusätzliche Begrenzung frei über das Kunststoffprofil hinaus aufgeschäumt wird, wobei die den wannenförmigen Bereich des Kunststoffprofiles begrenzenden Seitenränder lotrecht oder leicht zueinander geneigt zur Grundfläche des Kunststoffprofiles verlaufen und eine Führung des über die Ebene des Kunststoffprofiles hinaus aufschäumenden Dämmmaterials bilden.This object is achieved in that the insulating strip is foamed freely beyond the plastic profile without additional limitation, wherein the trough-shaped portion of the plastic profile limiting side edges perpendicular or slightly inclined to each other to the base of the plastic profile and a guide of the plane beyond the plastic profile form foaming insulating material.

Die Dämmleiste wird also direkt an das Kunststoffprofil angeschäumt und bedarf somit keiner zusätzlichen Festlegung durch zusätzliche Befestigungsmittel, ebenso bedarf es keiner weiteren Bearbeitungszeit, um die Dämmleiste mit dem Kunststoffprofil zu verbinden. Die Dämmleiste kann beim Aufschäumen ohne zusätzliche seitliche Begrenzung frei über das Kunststoffprofil hinaus aufgeschäumt werden, da der wannenförmige Bereich des Kunststoffprofiles in seinen Seitenrändern so beschaffen ist, dass diese Seitenränder lotrecht oder leicht zueinander geneigt (z. B. 0 bis 10°) zur Grundfläche des Kunststoffprofiles verlaufen und eine Führung des über die Ebene des Kunststoffprofiles hinaus aufschäumenden Dämmmaterials bilden.The insulating strip is therefore foamed directly to the plastic profile and thus requires no additional definition by additional fasteners, as well as requires no further processing time to connect the insulating strip with the plastic profile. The insulating strip can be frothed freely on the plastic profile during foaming without additional lateral boundary, since the trough-shaped region of the plastic profile in its side edges is such that these side edges are perpendicular or slightly inclined to each other (eg., 0 to 10 °) to the base of the plastic profile and form a guide of the over the level of the plastic profile also intumescent insulation material.

Insbesondere diese Führung kann ohne nennenswerten Kostenaufwand dadurch erheblich verbessert werden, dass beim Extrudieren des Kunststoffprofiles über den übrigen Bereich des Kunststoffprofiles hinaus vorstehende Führungsstege angeformt werden, über die die aufgeschäumte Dämmleiste nach oben vorsteht.In particular, this guide can be considerably improved without appreciable cost that are formed during extrusion of the plastic profile over the remaining area of the plastic profile beyond projecting guide webs on which the foamed insulating strip projects upwards.

Diese Führungsstege ermöglichen es, das Kunststoffprofil selbst relativ schlank zu gestalten und trotzdem eine gute Führung für das aufschäumende Dämmmaterial zu erhalten.These guide bars make it possible to make the plastic profile itself relatively slim and still get a good guide for the intumescent insulation material.

An den einander zugewandten Flanken der Führungsstege können vorteilhafter Weise vorspringende Halte- oder Ankerstege angeformt werden, die formschlüssig in die Seitenflanken der Dämmleiste hineinragen.On the mutually facing flanks of the guide webs projecting holding or anchor webs can be integrally formed, which project positively into the side edges of the insulating strip.

Durch diese vergleichsweise einfache Maßnahme wird ein zusätzlicher Formschluss zwischen der aufgeschäumten Dämmleiste und dem Kunststoffprofil erzielt.By this comparatively simple measure, an additional positive connection between the foamed Dämmleiste and the plastic profile is achieved.

Ein Metallbauer kann sich eine Vielzahl von unterschiedlich dimensionierten Verbindungs- und Isolierstegen gemäß vorliegender Erfindung lagermäßig bereit halten und dann je nach Anwendungsfall völlig problemlos und ohne jedwede Nachbearbeitung für die Herstellung von wärmegedämmten Profilen einsetzen.A metalworker can hold a variety of different sized connecting and insulating bars according to the present invention in stock and then depending on the application completely without any problems and without any reworking for the production of thermally insulated profiles.

Weitere Merkmale der Erfindung sind Gegenstand weiterer Unteransprüche.Further features of the invention are the subject of further subclaims.

Die Erfindung wird unter Bezugnahme auf die beigefügten Zeichnungen im folgenden ausführlich erläutert.The invention will be explained in detail below with reference to the accompanying drawings.

Im einzelnen zeigen:

Fig. 1
einen Schnitt durch einen wärmegedämmten Fensterrahmen
Fig. 2
einen Teilausschnitt aus Fig. 1 im Verbindungsbereich einer Innenschale und einer Außenschale
Fig. 3 bis 5
Querschnitte durch erfindungsgemäße Isolier- und Verbindungsstege mit unterschiedlich hohen Dämmleisten
Fig. 6
einen Schnitt durch einen Isolier- und Verbindungssteg nach einem weiteren Ausführungsbeispiel der Erfindung.
In detail show:
Fig. 1
a section through a thermally insulated window frame
Fig. 2
a partial section of Fig. 1 in the connecting region of an inner shell and an outer shell
Fig. 3 to 5
Cross sections through inventive insulating and connecting webs with different heights
Fig. 6
a section through an insulating and connecting web according to a further embodiment of the invention.

In Fig. 1 ist als Beispiel für wärmegedämmte Profile ein Blendrahmen 1 und ein Flügelrahmen 2 eines Fensters gezeigt.In Fig. 1 is shown as an example of thermally insulated profiles, a window frame 1 and a sash 2 of a window.

Der Blendrahmen 1 ist wie der Flügelrahmen 2 als Verbundprofil hergestellt. Jedes Verbundprofil umfasst eine aus einem Metallprofil bestehende Innenschale 3 und eine ebenfalls aus einem Metallprofil bestehende Außenschale 4. Die Innenschale 3 ist mit der Außenschale 4 jeweils über einen Verbindungssteg 5 bekannter Bauart sowie über einen erfindungsgemäßen Isolier- und Verbindungssteg 6 verbunden.The frame 1 is made as the sash 2 as a composite profile. Each composite profile comprises an inner shell 3 consisting of a metal profile and an outer shell 4 also consisting of a metal profile. The inner shell 3 is connected to the outer shell 4 via a connecting web 5 of known design as well as an insulating and connecting web 6 according to the invention.

Es ist aber auch denkbar, bei entsprechenden Profilabmaßen den Profilverbund über zwei Isolier- und Verbindungsstege 6 vorzunehmen.But it is also conceivable to make the profile compound via two insulating and connecting webs 6 with appropriate profile dimensions.

Die detailliertere Darstellung gemäß Fig. 2 macht besonders deutlich, dass der erfindungsgemäße Isolier- und Verbindungssteg 5 aus einem Kunststoffprofil 7 und einer damit verbundenen Dämmleiste 8 aus einem wärmedämmenden Isolierschaum besteht.The more detailed illustration of FIG. 2 makes it particularly clear that the insulating and connecting web 5 according to the invention consists of a plastic profile 7 and an associated insulating strip 8 of a heat-insulating foam.

Das Kunststoffprofil 7 dient dabei wie der handelsübliche Verbindungssteg 6 zur Verbindung von Innenschale 3 und Außenschale 4.The plastic profile 7 serves as the commercial connection web 6 for connecting inner shell 3 and outer shell. 4

Das Kunststoffprofil 7 ist ebenso wie der Verbindungssteg 5 in seinen Endbereichen 9 mit der Außenschale 4 bzw. der Innenschale 3 nach Art einer Nut/Feder-Verbindung form- und kraftschlüssig verbunden.The plastic profile 7 as well as the connecting web 5 in its end regions 9 with the outer shell 4 and the inner shell 3 in the manner of a tongue and groove connection positively and non-positively connected.

Der zwischen den Endbereichen 9 liegende mittlere Bereich des Kunststoffprofiles 7 weist eine wannenförmige Gestaltung 10 auf, wobei die seitlichen Ränder durch über das Kunststoffprofil 7 nach oben geringfügig vorstehende Führungsstege 11 begrenzt sind. An den einander zugewandten Flanken der Stege 11 sind aufeinander zugerichtete Halte- oder Ankerstege 12 angeformt.The middle region of the plastic profile 7 located between the end regions 9 has a trough-shaped design 10, wherein the lateral edges are delimited by guide webs 11 slightly projecting upwards over the plastic profile 7. On the mutually facing flanks of the webs 11, holding or anchoring webs 12 aligned with each other are formed.

Ein Isolier- und Verbindungssteg 6 wird in der Weise hergestellt, dass zunächst das mit dem wannenförmigen Querschnitt versehene Kunststoffprofil 7 extrudiert wird, anschließend in den wannenförmigen Bereich 10 ein Isolierschaum im flüssigen Zustand eingebracht und anschließend unter gleichzeitiger Verbindung mit dem Kunststoffprofil 7 zu einer über den wannenförmigen Bereich 10 hinaus vorstehenden Dämmleiste 8 aufgeschäumt wird.An insulating and connecting web 6 is prepared in such a way that initially provided with the trough-shaped cross section plastic profile 7 is extruded, then introduced into the trough-shaped region 10 an insulating foam in the liquid state and then with simultaneous connection to the plastic profile 7 to a on the trough-shaped area 10 also protruding insulating strip 8 is foamed.

Insbesondere durch die angeformten Führungsstege 11 wird es möglich, das Dämmmaterial gegenüber dem Kunststoffprofil 7 frei aufschäumen zu lassen bis deutlich über die obere Begrenzung des Kunststoffprofiles 7 hinaus, da durch die Führungsstege 11 praktisch vorgegeben ist, in welche Richtung sich das aufschäumende Material ausdehnen kann.In particular, by the integrally formed guide webs 11, it is possible to foam the insulating material relative to the plastic profile 7 to well beyond the upper limit of the plastic profile 7 addition, as is practically predetermined by the guide webs 11, in which direction the foaming material can expand.

Der in den wannenförmigen Bereich 10 eingebrachte Isolierschaum verbindet sich selbsthaftend mit dem Kunststoffprofil 7, durch die in die seitlichen Flanken der aufgeschäumten Dämmleiste 8 hineinragenden Halte- oder Ankerstege 12 wird eine zusätzliche, formschlüssige Festlegung erreicht.The introduced into the trough-shaped region 10 insulating foam connects to the plastic profile 7, by self-adhesive, through which in the lateral edges of the foamed Insulating strip 8 projecting holding or anchoring webs 12 is achieved an additional, positive fixing.

Alternativ oder zusätzlich zu den Führungsstegen 11 kann das aufschäumende und die Dämmleiste 8 bildende Material während des Aufschäumvorganges auch durch seitliche Leitbleche kalibriert werden, wobei diese seitlichen Leitbleche aber nicht Bestandteil des Isolier- und Verbindungssteges 6 sind oder werden. Auch besteht die Möglichkeit, nach dem Aushärten der Dämmleiste 8 diese durch spanabhebende Bearbeitung in eine bestimmte Querschnittsform zu bringen.Alternatively, or in addition to the guide webs 11, the foaming and the insulating strip 8 forming material can also be calibrated during the foaming by lateral baffles, said side baffles are not part of the insulating and connecting web 6 or are. It is also possible, after curing of the insulating strip 8 to bring them by machining in a particular cross-sectional shape.

Es ist vorteilhaft, alle erforderlichen Verfahrensschritte in unmittelbarer zeitlicher Abt folge umzusetzen, das heißt, nach dem Extrudieren des Kunststoffprofiles 7 unmittelbar Isolierschaum im flüssigen Zustand in den wannenförmigen Bereich 10 einzubringen und den Aufschäumvorgang einzuleiten und gegebenenfalls sofort im Durchlauf eine spangebende Bearbeitung der Seitenränder der Dämmleiste 8 durchzuführen.It is advantageous to implement all the required steps in the immediate time sequence, that is, after the extrusion of the plastic profile 7 immediately introduce insulating foam in the liquid state in the trough-shaped area 10 and initiate the foaming and optionally immediately in the course of a machining machining the side edges of the insulating strip 8 perform.

Nach dem Aushärten der Dämmleiste 8 ist insgesamt ein Verbundprofil entstanden, welches problemlos gehandhabt und zwischengelagert werden kann.After curing of the insulating strip 8 a composite profile has been created overall, which can be handled easily and stored.

Der Isolier- und Verbindungssteg kann in relativ großen Längen hergestellt und zwischengelagert werden. Bei Bedarf kann dann ein Metallbauer entsprechende Längen von dem zwischengelagerten Profil abtrennen und entsprechend wärmegedämmte Profile herstellen.The insulating and connecting web can be made in relatively long lengths and stored. If necessary, then a metal worker can cut off corresponding lengths of the intermediate profile and produce correspondingly thermally insulated profiles.

Die Fig. 3 bis 5 zeigen, dass die Möglichkeit besteht, die Dämmleiste 8 in verschiedenen Höhenabmessungen zu fertigen, um somit für unterschiedlichste Anwendungszwecke entsprechende Isolier- und Verbindungsstege 6 vorzufertigen.3 to 5 show that it is possible to manufacture the insulating strip 8 in different height dimensions, in order to prefabricate corresponding insulating and connecting webs 6 for a wide variety of applications.

Beim Ausführungsbeispiel nach Fig. 3 bis 5 ist der wannenförmige Bereich 10 des Kunststoffprofiles 7 im Bodenbereich eben ausgeführt.In the embodiment according to FIGS. 3 to 5, the trough-shaped region 10 of the plastic profile 7 is flat in the bottom region.

Fig. 6 zeigt ein Ausführungsbeispiel, bei dem im wannenförmigen Bereich 10 zwischen den beiden Führungsstegen 11 eine kerbenartige Einziehung 13 aufweist. Durch diese wird ein Teilbereich des Kunststoffprofiles 7 im Querschnitt extrem verringert, wodurch ein besonders hoher Isoliereffekt erzielt wird. Da die Dämmleiste 8 fest mit dem Kunststoffprofil 7 verbunden ist, führt diese Querschnittsverringerung des Kunststoffprofiles 7 nicht zu einer nennenswerten statischen Schwächung des gesamten Isolier- und Verbindungssteges 6.Fig. 6 shows an embodiment in which in the trough-shaped region 10 between the two guide webs 11 has a notch-like collection 13. Through this, a portion of the plastic profile 7 is extremely reduced in cross-section, whereby a particularly high insulating effect is achieved. Since the insulating strip 8 is firmly connected to the plastic profile 7, this cross-sectional reduction of the plastic profile leads 7 not to a significant static weakening of the entire insulating and connecting web. 6

Die Dämmleiste 8 kann wahlweise und je nach Bedarf aus einem Hart- oder aus einem Weichschaum gebildet werden.The Dämmleiste 8 can optionally and be formed as needed from a hard or soft foam.

Bevorzugt ist die Verwendung von Polyurethan-Schaum für die Bildung der Dämmleiste 8.Preference is given to the use of polyurethane foam for the formation of the insulating strip. 8

Claims (7)

  1. Method for manufacturing a heat-insulating and connecting web (6) for connecting an outer shell (4) and an inner, shell (3) of a heat-insulated profile, the insulating and connecting web (6) comprising a plastics profile (7) and an insulating strip (8) of a heat-insulating foam connected to it, the plastics profile (7) first being extruded as a cross-sectionally trough-shaped plastics profile (7) and then an insulating foam being introduced in the liquid state into the trough-shaped region (10) and subsequently made to expand while at the same time bonding with the plastics profile (7) to form an insulating strip (8) protruding beyond the trough-shaped region (10), characterized in that the insulating strip (8) is made to expand freely beyond the plastics profile (7) without any additional limitation, the side edges that delimit the trough-shaped region (10) of the plastics profile (7) extending perpendicularly or slightly inclined in relation to one another with respect to the base area of the plastics profile (7) and forming a guide for the insulating material expanding beyond the plane of the plastics profile (7).
  2. Method according to Claim 1, characterized in that, during the extrusion of the plastics profile (7), guiding webs (11) that laterally delimit the trough-shaped region (10) and protrude beyond the remaining region of the plastics profile (7), but beyond which the expanded insulating strip (8) protrudes, are moulded on.
  3. Method according to Claim 1, characterized in that projecting holding or anchoring webs (12), which protrude with interlocking engagement into the side flanks of the insulating strip (8) are moulded onto the mutually facing flanks of the guiding webs (11).
  4. Method according to one of the preceding claims, characterized in that a constriction or indentation (13) that reduces the wall thickness of the plastics profile (7) is provided in the middle region of the plastics profile (7).
  5. Method according to one of the preceding claims, characterized in that a flexible foam is used for the formation of the insulating strip (8).
  6. Method according to one of Claims 1 to 4, characterized in that a rigid foam is used for the formation of the insulating strip (8).
  7. Method according to one of Claims 1 to 4, characterized in that a polyurethane foam is used for the formation of the insulating strip (8).
EP03005560A 2002-03-20 2003-03-12 Method for manufacturing of an insulating strip Expired - Lifetime EP1347141B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10212452A DE10212452A1 (en) 2002-03-20 2002-03-20 Process for producing a heat-insulating insulating and connecting web and insulating and connecting web produced according to this process
DE10212452 2002-03-20

Publications (2)

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EP1347141A1 EP1347141A1 (en) 2003-09-24
EP1347141B1 true EP1347141B1 (en) 2007-05-30

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EP03005560A Expired - Lifetime EP1347141B1 (en) 2002-03-20 2003-03-12 Method for manufacturing of an insulating strip

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EP (1) EP1347141B1 (en)
AT (1) ATE363579T1 (en)
DE (2) DE10212452A1 (en)
ES (1) ES2287371T3 (en)

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DE102009034968A1 (en) 2009-07-28 2011-02-03 Technoform Caprano Und Brunnhofer Gmbh & Co. Kg Insulating web
DE102011108590A1 (en) 2011-07-27 2013-01-31 Raico Bautechnik Gmbh Connecting bar for a composite profile
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DE102017107684A1 (en) 2017-04-10 2018-10-11 Ensinger Gmbh Insulating profile, in particular for the production of window, door and facade elements, and method for its production
DE202018006102U1 (en) 2018-03-16 2019-03-21 Ensinger Gmbh Insulating profile, in particular for the production of window, door and facade elements
DE102018124779A1 (en) 2018-10-08 2020-04-09 Ensinger Gmbh Process for producing an insulating profile

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Publication number Priority date Publication date Assignee Title
DE102013010336A1 (en) 2012-06-20 2013-12-24 Technoform Bautec Holding Gmbh Method for the simple production of thin-walled insulating strips with supporting, heat-insulating material

Also Published As

Publication number Publication date
EP1347141A1 (en) 2003-09-24
ATE363579T1 (en) 2007-06-15
ES2287371T3 (en) 2007-12-16
DE50307347D1 (en) 2007-07-12
DE10212452A1 (en) 2003-10-02

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