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EP0100824B1 - Compound profile, in particular for frames of windows, doors and front elements - Google Patents

Compound profile, in particular for frames of windows, doors and front elements Download PDF

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Publication number
EP0100824B1
EP0100824B1 EP83104940A EP83104940A EP0100824B1 EP 0100824 B1 EP0100824 B1 EP 0100824B1 EP 83104940 A EP83104940 A EP 83104940A EP 83104940 A EP83104940 A EP 83104940A EP 0100824 B1 EP0100824 B1 EP 0100824B1
Authority
EP
European Patent Office
Prior art keywords
insulating
metal
crosspieces
crosspiece
composite profile
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
Application number
EP83104940A
Other languages
German (de)
French (fr)
Other versions
EP0100824A3 (en
EP0100824A2 (en
Inventor
Wilfried Ensinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT83104940T priority Critical patent/ATE19423T1/en
Publication of EP0100824A2 publication Critical patent/EP0100824A2/en
Publication of EP0100824A3 publication Critical patent/EP0100824A3/en
Application granted granted Critical
Publication of EP0100824B1 publication Critical patent/EP0100824B1/en
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B3/26301Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26305Connection details
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B3/26301Frames with special provision for insulation with prefabricated insulating strips between two metal section members
    • E06B3/26305Connection details
    • E06B2003/26314Provisions for reducing the shift between the strips and the metal section members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B3/2632Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26325Frames 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
    • E06B2003/2633Frames 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
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B2003/26349Details of insulating strips
    • E06B2003/2635Specific form characteristics
    • E06B2003/26352Specific form characteristics hollow
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B2003/26349Details of insulating strips
    • E06B2003/2635Specific form characteristics
    • E06B2003/26361Openings, incisions or indents
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B2003/26349Details of insulating strips
    • E06B2003/26369Specific material characteristics
    • E06B2003/2637Specific material characteristics reinforced
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window 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
    • E06B3/04Wing frames not characterised by the manner of movement
    • E06B3/263Frames with special provision for insulation
    • E06B2003/26349Details of insulating strips
    • E06B2003/26369Specific material characteristics
    • E06B2003/26378Specific material characteristics comprising foam

Definitions

  • the invention relates to a composite profile, in particular for frames of windows, doors and facade elements, according to the preamble of patent claim 1.
  • DE-A-30 25 706 From DE-A-30 25 706 it is known to form two insulating webs together as a coherent hollow chamber profile.
  • DE-A-30 42 838 shows transverse walls between two insulating profiles and
  • DE-A-25 43 969 teaches the production of insulating webs from foamed plastic.
  • a composite profile from which frames of windows, doors, facade elements o .
  • the composite profile extends with the cross section shown in FIG. 1 uniformly perpendicular to the plane of the drawing and can have a different length as required.
  • the inner and outer parts can be made of aluminum, aluminum alloy, steel or other metal.
  • Polyamide or polyethylene terephthalate, for example, is suitable as the plastic for the production of the insulating webs 3, 4, these plastics also being able to be reinforced by glass fibers or other additives.
  • the insulating webs 3, 4 can also consist of a plastic having a porous or cellular structure, in particular of foamed plastic.
  • metal webs 5 provided with perforations are embedded on the edge regions of the insulating webs 3, 4 facing the inner and outer parts 1, 2.
  • These metal webs 5 each have an end 6 that protrudes from the insulating web 3, 4 and has a triangular or dovetail-shaped cross section.
  • a part 7 of the metal web 5 adjoining this end 6 has openings 8 in the form of holes or slots (see also FIG. 1a).
  • the material forming the webs 3, 4 extends through the openings 8, so that in this way the insulating web is immovably connected to the two metal webs 5 by positive locking.
  • the penetration of the openings 8 in the metal web 5 is advantageously achieved by injecting the plastic forming the insulating webs 3, 4 onto the metal webs 5 which are kept at a corresponding distance, so that the arrangement of two metal webs 5 shown in FIG. 1 is in one Insulating bridge 3 or 4 results.
  • the two inner and outer parts 1, 2 each have inwardly projecting outer webs 9 and inner webs 11, each of which extends over the entire length of the parts 1, 2.
  • the outer webs 9 have from the outset and unchangeable the cross-sectional shape shown in FIG. 1, while the inner webs 11 initially protrude approximately perpendicularly from the parts 1, 2.
  • the inner webs 11 are positively bent toward the ends 6, which can be done, for example, by passing through the chamber formed by the parts 1, 2 and the insulating webs 3, 4 Composite profile pulls a corresponding mandrel through with force. Then the inner webs 11 assume the inclined position shown in FIG. 1. Since, with the appropriate application of force, two metals are almost cohesive on their contact surfaces, i.e. connect immovably to each other, a practically insoluble, even withstanding the highest loads connection between the ends 6 and thus the insulating webs 3 on the one hand and the inner and outer parts 1, 2 of the composite profile can be produced in this way. The cohesive connection of the metal webs 5 with the parts 1, 2 becomes particularly firm when the metal webs 5 and the parts 1, 2 are made of the same metal, for example aluminum or aluminum alloy.
  • Fig. 2 shows another embodiment of the invention. Corresponding parts are designated by the same reference numerals in FIGS. 1 and 2. As shown, a metal web 15, which is integrally connected to the metallic part 2 and which likewise has openings 8 of the type shown in FIG. 1 a, is arranged in FIG. 2 between the outer and inner web 9 or 11. In contrast to the embodiment according to FIG. 1, the metal web 15 is thus initially not part of the insulating web 3, but is directly connected to part 2 of the composite profile.
  • the plastic material of the insulating web 3 penetrating into the openings 8 in a form-fitting manner the plastic forming the insulating web 3 is injected between the inner and outer parts 1, 2 of the composite profile, which are kept at a corresponding distance, in such a way that at the edge regions of the insulating web 3 thus formed, a filling of the groove located between the outer and inner webs and a penetration of the openings 8 with plastic occurs. A subsequent pressing of the inner web 11 is not necessary in this case. 2, the insulating webs 3, 4 are completely immovably connected to the inner and outer parts 1, 2 of the composite profile.
  • metal webs 25 with openings 28 are embedded in the edge regions of the insulating webs 3, 4.
  • the metal webs 25 do not protrude upward in FIG. 3, but laterally out of the insulating webs 3.
  • webs 29 which are integrally connected to these parts and which initially protrude from parts 1 and 2 to form a corresponding groove are used. After inserting the insulating webs 3, 4 provided with the metal webs 25, the webs 29 are formed on and around the projecting ends of the metal webs 25 in the manner shown in FIG. 3, for example by appropriate rolling or caulking.
  • an insulating web 30 made of plastic and designed as a hollow profile is provided for connecting the inner and outer parts 1, 2 of the composite profile.
  • the insulating web 30 has on its sides facing the parts 1, 2 in each case an embedded metal web 35 with openings 38.
  • the metal web 35 is embedded in the insulating web 30 in such a way that the plastic material of the insulating web penetrates the openings 38 by spraying the insulating web 30 onto the metal webs 35.
  • the metal webs 35 protrude from the hollow on both sides, similarly to FIG. 3 Isoliersteg 30 out.
  • the protruding ends can be connected in the manner described in connection with FIG. 3 to the inner and outer parts 1, 2 of the composite profile.
  • the bottom surface of the groove facing the insulating web 30 of a groove receiving this web 30 in the inner and outer profiles 1, 2 has a transverse knurling 36.
  • This knurling reduces the contact area between the insulating web 30 and the respective inner and outer parts 1, 2.
  • the knurling 36 shown in FIG. 4 could also be carried out in the longitudinal direction of the composite profile, that is to say perpendicular to the plane of the drawing in FIG. 4, in order to achieve the same purpose.
  • transverse walls 12, 13, which are shown in broken lines in FIG. 1, may protrude from the insulating webs 3, 4.
  • Such transverse walls can also be provided in the interior of the hollow chamber profile forming the insulating web 30 in the embodiment shown in FIG. 4.
  • the metal webs 5, 15, 25, 35 can also be replaced by openwork webs made of high-strength, thermosetting plastic, this thermosetting plastic additionally having a high content - up to 90% - of glass fibers.
  • thermosetting plastics are unsaturated polyester or epoxy resins. Such plastic webs can also improve the shear strength of the composite profile.
  • the insulating webs 3, 4, 30 themselves can also be provided with recesses or openings to reduce the heat transfer. As a result, the heat-conducting cross section is reduced.
  • the metal webs 5, 15, 25, 35 which are each designed to be continuous, are connected to one another by individual insulating web pieces, between each of which there are heat-conduction-free spaces.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Special Wing (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)

Abstract

1. Composite profile, more particularly for frames of windows, doors and cladding panels, having a metal inner portion (1), a metal outer portion (2), at least one insulating crosspiece (3, 4, 30) made of plastics material, which connects the said portions to one another to form a heat-insulating bridge, and having metal reinforcements, which are secured by positive locking longitudinally on the edges of the insulating crosspiece, for holding the insulating crosspiece between the projecting crosspieces (9, 11, 29) of the inner and outer portions, characterised in that the metal reinforcements of the insulating crosspieces are designed as metal crosspieces (5, 15, 25, 35) having through-openings (8, 28, 38) in the form of holes or slots, and the plastics material forming the insulating crosspiece is injection-molded onto the metal crosspieces, such that it penetrates the openings, and the metal crosspieces are thereby embedded immovably in the insulating crosspiece.

Description

Die Erfindung betrifft ein Verbundprofil, insbesondere für Rahmen von Fenstern, Türen und Fassadenelementen, nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a composite profile, in particular for frames of windows, doors and facade elements, according to the preamble of patent claim 1.

Eine der Hauptschwierigkeiten bei der Herstellung derartiger Verbundprofile ist die schubfeste Verbindung des Isolierstegs mit den Innen- und Aussenteilen des Profils.One of the main difficulties in the production of such composite profiles is the shear-resistant connection of the insulating web to the inner and outer parts of the profile.

Aus der DE-C-28 12 128 ist es bekannt, Isolierstege aus Hartpapier zu verwenden und in eine randweise verlaufende Perforierung dieser Stege Zahnleisten aus Metall einzusetzen, die in entsprechende Hinterschneidungen der Profilteile eingreifen. Abgesehen von dem grossen Fertigungsaufwand eines solchen Verbundprofils besteht die Gefahr, dass infolge unvermeidlicher Toleranzen die Zähne der Zahnleisten nicht unverrückbar in den Perforationen des Isolierstegs verankert sind, so dass in gewissen Grenzen Relativverschiebungen zwischen den Profilteilen und dem Isoliersteg möglich sind.From DE-C-28 12 128 it is known to use insulating webs made of hard paper and to insert toothed racks made of metal into an edge perforation of these webs, which engage in corresponding undercuts of the profile parts. Apart from the great manufacturing effort of such a composite profile, there is the risk that, due to inevitable tolerances, the teeth of the toothed strips are not immovably anchored in the perforations of the insulating web, so that relative displacements between the profile parts and the insulating web are possible within certain limits.

Bei einem anderen bekannten Verbundprofil (DE-A-28 49 556) werden auf die Ränder von lsolierstegen als Kunststoff rinnenförmige Metallbewehrungen aufgesteckt und zwischen abstehende Stege der Profilteile eingepresst. Auch hierdurch ist eine höchsten Ansprüchen genügende, schubfeste Verbindung zwischen den Profilteilen und dem Isoliersteg nicht erreichbar.In another known composite profile (DE-A-28 49 556), trough-shaped metal reinforcements are plugged onto the edges of insulating webs as plastic and pressed between projecting webs of the profile parts. This also means that a shear-resistant connection between the profile parts and the insulating web that meets the highest demands cannot be achieved.

Aus der DE-A-30 25 706 ist es bekannt, zwei Isolierstege gemeinsam als zusammenhängendes Hohlkammerprofil auszubilden. Die DE-A-30 42 838 zeigt Querwände zwischen zwei Isolierprofilen und die DE-A-25 43 969 lehrt die Herstellung von Isolierstegen aus geschäumtem Kunststoff.From DE-A-30 25 706 it is known to form two insulating webs together as a coherent hollow chamber profile. DE-A-30 42 838 shows transverse walls between two insulating profiles and DE-A-25 43 969 teaches the production of insulating webs from foamed plastic.

Es ist Aufgabe der Erfindung, ein gattungsgemässes Verbundprofil derart zu verbessern, dass die Verbindung der Profilteile mit dem Isoliersteg praktisch absolut schubfest ist und auch kleine Relativverrückungen unmöglich sind.It is the object of the invention to improve a generic composite profile in such a way that the connection of the profile parts to the insulating web is practically absolutely shear-resistant and even small relative displacements are impossible.

Die Aufgabe wird erfindungsgemäss durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst.The object is achieved according to the invention by the characterizing features of patent claim 1.

Die nachstehende Beschreibung bevorzugter Ausführungsformen der Erfindung dient im Zusammenhang mit beiliegender Zeichnung der weiteren Erläuterung. Es zeigen:

  • Fig. 1 eine Querschnittansicht eines erfindungsgemäss verbesserten Verbundprofils;
  • Fig. 1 a eine Seitenansicht eines Metallsteges und
  • Fig. 2 bis 4 Teilquerschnittsansichten weiterer Ausführungsformen der Erfindung.
The following description of preferred embodiments of the invention serves in conjunction with the accompanying drawings for further explanation. Show it:
  • 1 shows a cross-sectional view of an improved composite profile according to the invention;
  • Fig. 1 a is a side view of a metal web and
  • Fig. 2 to 4 partial cross-sectional views of further embodiments of the invention.

Wie aus Fig. 1 hervorgeht, besteht ein Verbundprofil, aus welchem Rahmen von Fenstern, Türen, Fassadenelementen o. dgl. hergestellt werden können, aus einem metallischen Innenteil 1 und einem metallischen Aussenteil 2, die durch zwei Isolierstege 3, 4 wärmedämmend miteinander verbunden sind. Das Verbundprofil erstreckt sich mit dem in Fig. 1 dargestellten Querschnitt gleichförmig senkrecht zur Zeichnungsebene und kann je nach Bedarf eine unterschiedliche Länge haben. Die Innen- und Aussenteile können aus Aluminium, Aluminiumlegierung, Stahl oder anderem Metall bestehen. Als Kunststoff für die Herstellung der Isolierstege 3, 4 eignet sich beispielsweise Polyamid oder Polyäthylenterephthalat, wobei diese Kunststoffe auch durch Glasfasern oder andere Zuschlagstoffe verstärkt sein können. Erwünschtenfalls können die Isolierstege 3, 4 auch aus einem Kunststoff von poröser oder zelliger Struktur bestehen, insbesondere aus geschäumtem Kunststoff.As is apparent from Fig. 1, there is a composite profile, from which frames of windows, doors, facade elements o . The composite profile extends with the cross section shown in FIG. 1 uniformly perpendicular to the plane of the drawing and can have a different length as required. The inner and outer parts can be made of aluminum, aluminum alloy, steel or other metal. Polyamide or polyethylene terephthalate, for example, is suitable as the plastic for the production of the insulating webs 3, 4, these plastics also being able to be reinforced by glass fibers or other additives. If desired, the insulating webs 3, 4 can also consist of a plastic having a porous or cellular structure, in particular of foamed plastic.

Wie aus Fig. 1 hervorgeht, sind an den den Innen-und Aussenteilen 1, 2 zugekehrten Randbereichen der Isolierstege 3, 4 mit Durchbrechungen versehene Metallstege 5 eingebettet. Diese Metallstege 5 weisen jeweils ein aus dem Isoliersteg 3, 4 herausragendes, im Querschnitt dreiecks- oder schwalbenschwanzförmig ausgebildetes Ende 6 auf. Ein an dieses Ende 6 anschliessender Teil 7 des Metallstegs 5 weist Durchbrechungen 8 in Gestalt von Löchern oder Schlitzen auf (siehe auch Fig. 1a). Durch die Durchbrechungen 8 erstreckt sich das die Stege 3, 4 bildende Material hindurch, so dass auf diese Weise der Isoliersteg mit den beiden Metallstegen 5 durch Formschluss unverrückbar verbunden ist. Die Durchdringung der Durchbrechungen 8 im Metallsteg 5 erreicht man vorteilhafterweise dadurch, dass man den die Isolierstege 3, 4 bildenden Kunststoff an die in entsprechendem Abstand gehaltenen Metallstege 5 anspritzt, so dass sich die aus Fig. 1 ersichtliche Anordnung von jeweils zwei Metallstegen 5 in einem Isoliersteg 3 oder 4 ergibt.As can be seen from FIG. 1, metal webs 5 provided with perforations are embedded on the edge regions of the insulating webs 3, 4 facing the inner and outer parts 1, 2. These metal webs 5 each have an end 6 that protrudes from the insulating web 3, 4 and has a triangular or dovetail-shaped cross section. A part 7 of the metal web 5 adjoining this end 6 has openings 8 in the form of holes or slots (see also FIG. 1a). The material forming the webs 3, 4 extends through the openings 8, so that in this way the insulating web is immovably connected to the two metal webs 5 by positive locking. The penetration of the openings 8 in the metal web 5 is advantageously achieved by injecting the plastic forming the insulating webs 3, 4 onto the metal webs 5 which are kept at a corresponding distance, so that the arrangement of two metal webs 5 shown in FIG. 1 is in one Insulating bridge 3 or 4 results.

Bei der Verbindung der beiden Aussenteile 1, 2 zu einem Verbundprofil kommt es nunmehr lediglich noch darauf an, die aus den Isolierstegen 3,4 herausragenden Enden 6 der Metallstege 5 fest mit den Teilen 1, 2 zu verbinden. Wie dargestellt, weisen die beiden Innen- und Aussenteile 1, 2 jeweils nach einwärts vorstehende Aussenstege 9 sowie Innenstege 11 auf, die sich jeweils über die gesamte Länge der teile 1, 2 erstrecken. Die Aussenstege 9 haben von vornherein und unveränderlich die in Fig. 1 dargestellte Querschnittsform, während die Innenstege 11 zunächst etwa senkrecht von den Teilen 1, 2 abstehen. Nach Einsetzen oder Einschieben der jeweiligen Enden 6 zwischen die Stege 9 und 11 werden die Innenstege 11 formschlüssig an die Enden 6 herangebogen, was beispielsweise dadurch erfolgen kann, dass man durch die von den Teilen 1, 2 und die Isolierstege 3, 4 gebildete Kammer des Verbundprofils einen entsprechenden Dorn unter Kraftaufwendung hindurchzieht. Danach nehmen die Innenstege 11 die in Fig. 1 dargestellte Schräglage ein. Da sich bei entsprechender Kraftaufwendung zwei Metalle an ihren Berührungsflächen nahezu stoffschlüssig, d.h. unverschiebbar miteinander verbinden, lässt sich auf diese Weise eine praktisch unlösliche, auch höchsten Beanspruchungen standhaltende Verbindung zwischen den Enden 6 und damit den Isolierstegen 3 einerseits und den Innen- und Aussenteilen 1, 2 des Verbundprofils herstellen. Die stoffschlüssige Verbindung der Metallstege 5 mit den Teilen 1, 2 wird dann besonders fest, wenn die Metallstege 5 und die Teile 1, 2 aus demselben Metall, beispielsweise Aluminium oder Aluminiumlegierung, bestehen.When connecting the two outer parts 1, 2 to form a composite profile, it is now only a matter of firmly connecting the ends 6 of the metal webs 5 protruding from the insulating webs 3, 4 to the parts 1, 2. As shown, the two inner and outer parts 1, 2 each have inwardly projecting outer webs 9 and inner webs 11, each of which extends over the entire length of the parts 1, 2. The outer webs 9 have from the outset and unchangeable the cross-sectional shape shown in FIG. 1, while the inner webs 11 initially protrude approximately perpendicularly from the parts 1, 2. After inserting or inserting the respective ends 6 between the webs 9 and 11, the inner webs 11 are positively bent toward the ends 6, which can be done, for example, by passing through the chamber formed by the parts 1, 2 and the insulating webs 3, 4 Composite profile pulls a corresponding mandrel through with force. Then the inner webs 11 assume the inclined position shown in FIG. 1. Since, with the appropriate application of force, two metals are almost cohesive on their contact surfaces, i.e. connect immovably to each other, a practically insoluble, even withstanding the highest loads connection between the ends 6 and thus the insulating webs 3 on the one hand and the inner and outer parts 1, 2 of the composite profile can be produced in this way. The cohesive connection of the metal webs 5 with the parts 1, 2 becomes particularly firm when the metal webs 5 and the parts 1, 2 are made of the same metal, for example aluminum or aluminum alloy.

Wegen der unverrückbaren, formschlüssigen Verbindung zwischen Isoliersteg 3, 4 und Metallsteg 5 einerseits und der stoffschlüssigen, rutschfesten Verbindung zwischen dem Ende 6 der Metallstege 5 und den Teilen 1, 2 des Verbundprofils ergibt sich insgesamt eine vollkommen schubfeste Verbindung zwischen den Isolierstegen 3, 4 und den Teilen 1, 2 des Verbundprofils.Because of the immovable, positive connection between the insulating web 3, 4 and metal web 5 on the one hand and the cohesive, non-slip connection between the end 6 of the metal webs 5 and the parts 1, 2 of the composite profile, there is a total of a completely shear-resistant connection between the insulating webs 3, 4 and the parts 1, 2 of the composite profile.

Fig. 2 zeigt eine andere Ausführungsform der Erfindung. Einander entsprechende Teile sind in Fig. 1 und 2 mit den gleichen Bezugszeichen bezeichnet. Wie dargestellt, ist in Fig. 2 zwischen Aussen- und Innensteg 9 bzw. 11 ein einstückig mit dem metallischen Teil 2 verbundener Metallsteg 15 angeordnet, der ebenfalls Durchbrechungen 8 der in Fig. 1 a dargestellten Art aufweist. Der Metallsteg 15 ist somit im Gegensatz zur Ausführungsform gemäss Fig. 1 zunächst nicht Bestandteil des Isolierstegs 3, sondern ist direkt mit dem Teil 2 des Verbundprofils verbunden. Um den Formschluss zwischen Isoliersteg 3 und Metallsteg 15 herzustellen, wobei das Kunststoffmaterial des Isoliersteges 3 formschlüssig in die Durchbrechungen 8 eindringt, wird der den lsoliersteg 3 bildende Kunststoff zwischen den in entsprechendem Abstand gehaltenen Innen- und Aussenteilen 1, 2 des Verbundprofils derart eingespritzt, dass an den Randbereichen des sich so bildenden lsolierstegs 3 eine Füllung der zwischen den Aussen- und Innenstegen gelegenen Nut sowie eine Durchdringung der Durchbrechungen 8 mit Kunststoff eintritt. Ein nachträgliches Anpressen des Innensteges 11 ist in diesem Falle nicht erforderlich. Auch bei der Ausführungsform gemäss Fig. 2 sind die Isolierstege 3, 4 vollkommen unverschieblich mit den Innen- und Aussenteilen 1, 2 des Verbundprofils verbunden.Fig. 2 shows another embodiment of the invention. Corresponding parts are designated by the same reference numerals in FIGS. 1 and 2. As shown, a metal web 15, which is integrally connected to the metallic part 2 and which likewise has openings 8 of the type shown in FIG. 1 a, is arranged in FIG. 2 between the outer and inner web 9 or 11. In contrast to the embodiment according to FIG. 1, the metal web 15 is thus initially not part of the insulating web 3, but is directly connected to part 2 of the composite profile. In order to establish the form fit between the insulating web 3 and the metal web 15, the plastic material of the insulating web 3 penetrating into the openings 8 in a form-fitting manner, the plastic forming the insulating web 3 is injected between the inner and outer parts 1, 2 of the composite profile, which are kept at a corresponding distance, in such a way that at the edge regions of the insulating web 3 thus formed, a filling of the groove located between the outer and inner webs and a penetration of the openings 8 with plastic occurs. A subsequent pressing of the inner web 11 is not necessary in this case. 2, the insulating webs 3, 4 are completely immovably connected to the inner and outer parts 1, 2 of the composite profile.

Bei einer weiteren Ausführungsform der Erfindung gemäss Fig. 3 sind - ähnlich wie in Fig. 1 - Metallstege 25 mit Durchbrechungen 28 in die Randbereiche der Isolierstege 3, 4 eingebettet. Im Gegensatz zu Fig. 1 ragen in Fig. 3 jedoch die Metallstege 25 nicht nach oben, sondern seitlich aus den Isolierstegen 3 heraus. Zur Verbindung mit den Innen- und Aussenteilen 1, 2 des Verbundprofils dienen mit diesen Teilen einstückig verbundene Stege 29, die zunächst unter Ausbildung einer entsprechenden Nut von den Teilen 1 und 2 abstehen. Nach Einfügen der mit den Metallstegen 25 versehenen Isolierstege 3, 4 werden die Stege 29 in der aus Fig. 3 ersichtlichen Weise an und um die herausragenden Enden der Metallstege 25 herumgeformt, beispielsweise durch entsprechendes Verwalzen oder Verstemmen.In a further embodiment of the invention according to FIG. 3, similar to FIG. 1, metal webs 25 with openings 28 are embedded in the edge regions of the insulating webs 3, 4. In contrast to FIG. 1, however, the metal webs 25 do not protrude upward in FIG. 3, but laterally out of the insulating webs 3. For connection to the inner and outer parts 1, 2 of the composite profile, webs 29 which are integrally connected to these parts and which initially protrude from parts 1 and 2 to form a corresponding groove are used. After inserting the insulating webs 3, 4 provided with the metal webs 25, the webs 29 are formed on and around the projecting ends of the metal webs 25 in the manner shown in FIG. 3, for example by appropriate rolling or caulking.

Bei der weiteren Ausführungsform der Erfindung gemäss Fig. 4 ist zur Verbindung der Innen- und Aussenteile 1, 2 des Verbundprofils ein als Hohlprofil ausgebildeter Isoliersteg 30 aus Kunststoff vorgesehen. Der Isoliersteg 30 weist an seinen den Teilen 1, 2 zugekehrten Seiten jeweils einen eingebetteten Metallsteg 35 mit Durchbrechungen 38 auf. Die Einbettung des Metallsteges 35 in den Isoliersteg 30 derart, dass das Kunststoffmaterial des Isoliersteges die Durchbrechungen 38 durchdringt, erfolgt durch Anspritzen des Isoliersteges 30 an die Metallstege 35. Wie dargestellt, ragen die Metallstege 35 ähnlich wie in Fig. 3 jeweils beidseits aus dem hohlen Isoliersteg 30 heraus. Die herausstehenden Enden können in der im Zusammenhang mit Fig. 3 beschriebenen Weise mit den Innen- und Aussenteilen 1, 2 des Verbundprofils verbunden werden.In the further embodiment of the invention according to FIG. 4, an insulating web 30 made of plastic and designed as a hollow profile is provided for connecting the inner and outer parts 1, 2 of the composite profile. The insulating web 30 has on its sides facing the parts 1, 2 in each case an embedded metal web 35 with openings 38. The metal web 35 is embedded in the insulating web 30 in such a way that the plastic material of the insulating web penetrates the openings 38 by spraying the insulating web 30 onto the metal webs 35. As shown, the metal webs 35 protrude from the hollow on both sides, similarly to FIG. 3 Isoliersteg 30 out. The protruding ends can be connected in the manner described in connection with FIG. 3 to the inner and outer parts 1, 2 of the composite profile.

Wie in Fig. 4 gestrichelt dargestellt, weist die dem Isoliersteg 30 jeweils zugekehrte Bodenfläche einer diesen Steg 30 aufnehmenden Nut im Innen- und Aussenprofil 1, 2 eine Querrändelung 36 auf. Durch diese Rändelung wird die Berührungsfläche zwischen dem Isoliersteg 30 und den jeweiligen Innen-und Aussenteilen 1, 2 verkleinert. Hierdurch wird der Wärmeübergang von den metallischen Innen- und Aussenteilen 2 auf den Isoliersteg 30 herabgesetzt. Die in Fig. 4 dargestellte Rändelung 36 könnte zur Erreichung des gleichen Zwecks auch in Längsrichtung des Verbundprofils, also senkrecht zur Zeichnungsebene der Fig. 4, ausgeführt sein.As shown in dashed lines in FIG. 4, the bottom surface of the groove facing the insulating web 30 of a groove receiving this web 30 in the inner and outer profiles 1, 2 has a transverse knurling 36. This knurling reduces the contact area between the insulating web 30 and the respective inner and outer parts 1, 2. As a result, the heat transfer from the metallic inner and outer parts 2 to the insulating web 30 is reduced. The knurling 36 shown in FIG. 4 could also be carried out in the longitudinal direction of the composite profile, that is to say perpendicular to the plane of the drawing in FIG. 4, in order to achieve the same purpose.

In der von den Innen- und Aussenteilen 1, 2 sowie den Isolierstegen 3, 4 umschlossenen Kammer (Fig. 1) bildet sich leicht eine Konvektionsströmung aus, die in unerwünschter Weise Wärme zwischen den Teilen 1 und 2 transportiert. Um eine solche, in der Zeichnungsebene der Fig. 1 erfolgende Konvektionsströmung zu unterbinden, können von den Isolierstegen 3, 4 Querwände 12, 13 abstehen, die in Fig. 1 gestrichelt dargestellt sind. Solche Querwände können auch im Innern des den Isoliersteg 30 bildenden Hohlkammerprofils bei der in Fig. 4 dargestellten Ausführungsform vorgesehen werden.In the chamber enclosed by the inner and outer parts 1, 2 and the insulating webs 3, 4 (FIG. 1), a convection flow is easily formed which undesirably transports heat between parts 1 and 2. In order to prevent such a convection flow occurring in the plane of the drawing in FIG. 1, transverse walls 12, 13, which are shown in broken lines in FIG. 1, may protrude from the insulating webs 3, 4. Such transverse walls can also be provided in the interior of the hollow chamber profile forming the insulating web 30 in the embodiment shown in FIG. 4.

Gemäss einer anderen Ausführungsform der Erfindung können die Metallstege 5, 15, 25, 35 auch durch durchbrochene Stege aus hochfestem, duroplastischem Kunststoff ersetzt sein, wobei dieser Duroplast zusätzlich einen hohen Gehalt - bis zu 90% - an Glasfasern aufweist. Geeignete duroplastische Kunststoffe sind ungesättigte Polyester-oder Epoxiharze. Auch durch soche Kunststoffstege lässt sich Schubfestigkeit des Verbundprofils verbessern.According to another embodiment of the invention, the metal webs 5, 15, 25, 35 can also be replaced by openwork webs made of high-strength, thermosetting plastic, this thermosetting plastic additionally having a high content - up to 90% - of glass fibers. Suitable thermosetting plastics are unsaturated polyester or epoxy resins. Such plastic webs can also improve the shear strength of the composite profile.

Auch die Isolierstege 3, 4, 30 selbst können zur Verringerung des Wärmedurchgangs mit Ausnehmungen oder Durchbrechungen versehen sein. Hierdurch wird der wärmeleitende Querschnitt verkleinert. In disem Zusammenhang kann auch vorgesehen werden, die je für sich durchgehend ausgebildeten Metallstege 5, 15, 25, 35 durch einzelne Isolierstegstücke miteinander zu verbinden, zwischen denen jeweils wärmeleitungsfreie Zwischenräume vorgesehen sind.The insulating webs 3, 4, 30 themselves can also be provided with recesses or openings to reduce the heat transfer. As a result, the heat-conducting cross section is reduced. In this context, it can also be provided that the metal webs 5, 15, 25, 35, which are each designed to be continuous, are connected to one another by individual insulating web pieces, between each of which there are heat-conduction-free spaces.

Claims (7)

1. Composite profile, more particularly for frames of windows, doors and cladding panels, having a metal inner portion (1), a metal outer portion (2), at least one insulating crosspiece (3, 4, 30) made of plastics material, which connects the said portions to one another to form a heat-insulating bridge, and having metal reinforcements, which are secured by positive locking longitudinally on the edges of the insulating crosspiece, for holding the insulating crosspiece between the projecting crosspieces (9, 11, 29) of the inner and outer portions, characterised in that the metal reinforcements of the insulating crosspieces are designed as metal crosspieces (5, 15, 25, 35) having through-openings (8, 28, 38) in the form of holes or slots, and the plastics material forming the insulating cross piece is injection-molded onto the metal crosspieces, such that it penetrates the openings, and the metal crosspieces are thereby embedded immovably in the insulating crosspiece.
2. Composite profile according to claim 1, characterised in that the metal crosspiece (15) is integrally formed with the metal inner or outer portion (1,2).
3. Composite profile according to claim 1 or 2, characterised in that two insulating crosspieces are formed together as a continuous hollows chamber profile (30).
4. Composite profile according to claim 3, characterised in that, in order to reduce the surface contact between the hollow chamber profile (30) and the inner and outer portions which are attached thereto, the surfaces which come into contact with one another comprise a knurling (36), preferably extending in the longitudinal direction of the composite profile, or are provided in another manner with contact-free recesses.
5. Composite profile according to any one of claims 1 to 4, characterised in that, in the cavity defined by two insulating crosspieces (3, 4), at least one transverse wall (12, 13) is provided, which is integrally formed with at least one insulating crosspiece.
6. Composite profile according to any one of the preceding claims, characterised in that the plastics material of the insulating crosspiece (3, 4, 30) is at least partially foamed and comprises a porous or cellular structure.
7. Composite profile according to any one of the preceding claims, characterised in that the insulating crosspieces (3, 4, 30) comprise opening or recesses in order to reduce their thermal conductivity.
EP83104940A 1982-06-23 1983-05-19 Compound profile, in particular for frames of windows, doors and front elements Expired EP0100824B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83104940T ATE19423T1 (en) 1982-06-23 1983-05-19 COMPOSITE PROFILE, PARTICULARLY FOR FRAMES OF WINDOWS, DOORS AND FAÇADE ELEMENTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3223343 1982-06-23
DE19823223343 DE3223343A1 (en) 1982-06-23 1982-06-23 COMPOSITE PROFILE, ESPECIALLY FOR FRAMES OF WINDOWS, DOORS AND FACADE ELEMENTS

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EP0100824A2 EP0100824A2 (en) 1984-02-22
EP0100824A3 EP0100824A3 (en) 1984-05-02
EP0100824B1 true EP0100824B1 (en) 1986-04-23

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AT (1) ATE19423T1 (en)
DE (1) DE3223343A1 (en)

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DE3407121A1 (en) * 1984-02-28 1985-09-05 Wilfried Dipl.-Ing. 7031 Nufringen Ensinger Composite profile, in particular for frames of windows, doors and facade elements
DE69104717T2 (en) * 1991-06-22 1995-05-24 Gen Electric Silicone seal with metallic insert.
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DE4409315C2 (en) * 1994-03-18 1996-07-11 Caprano & Brunnhofer Spacer insulating profile rod made of thermoplastic material on double-shell heat-insulating components
DE29512502U1 (en) * 1995-02-01 1995-09-21 Krämer, Albert, 65554 Limburg Insulating core for composite profiles, especially for windows, doors and facade constructions
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DE29704201U1 (en) 1996-03-13 1997-06-26 W. Hartmann & Co (Gmbh & Co), 20459 Hamburg Insulated composite profile
DE10016012B4 (en) * 2000-03-31 2004-02-05 SCHÜCO International KG Composite profile for windows, facades, doors or skylights
DE10028802A1 (en) * 2000-06-15 2001-12-20 Helmut Over Profile for use in double glazing unit has cavities on cold and warm sides connected by narrow central section which reduces heat transfer by conduction
DE102004038868A1 (en) * 2004-08-10 2006-02-23 Hydro Building Systems Gmbh Thermally insulated profile for windows, doors, facade elements and the like comprises thermal insulating elements which are located between profile elements, and are made of two materials with different strengths
CH699778A1 (en) * 2008-10-21 2010-04-30 Wagner System Ag Joint for building envelope panel.
FR2955599B1 (en) * 2010-01-27 2013-10-11 Ateliers Lr Etanco DEVICE FOR BREAKING THERMAL BRIDGE FOR FASTENING FACADE ELEMENTS.
US20120272601A1 (en) * 2011-04-28 2012-11-01 Muskita Aluminium Industries Plc Frame and Panel Door
DE102013200211A1 (en) 2013-01-09 2014-07-10 Hilti Aktiengesellschaft console
CN105178777B (en) * 2015-09-17 2017-07-04 广东典工节能科技有限公司 Heat-insulation aluminium alloy window mullion
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Also Published As

Publication number Publication date
EP0100824A3 (en) 1984-05-02
DE3223343C2 (en) 1993-05-13
EP0100824A2 (en) 1984-02-22
ATE19423T1 (en) 1986-05-15
DE3223343A1 (en) 1983-12-29

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