EP2586953B1 - Insulating bar and heat insulated profile - Google Patents

Insulating bar and heat insulated profile Download PDF

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Publication number
EP2586953B1
EP2586953B1 EP12190325.6A EP12190325A EP2586953B1 EP 2586953 B1 EP2586953 B1 EP 2586953B1 EP 12190325 A EP12190325 A EP 12190325A EP 2586953 B1 EP2586953 B1 EP 2586953B1
Authority
EP
European Patent Office
Prior art keywords
profile
insulating web
insulating
hollow chamber
section
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.)
Active
Application number
EP12190325.6A
Other languages
German (de)
French (fr)
Other versions
EP2586953A2 (en
EP2586953A3 (en
Inventor
Michael Heidenfelder
Thomas Krause
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.)
Heroal Johann Henkenjohann GmbH and Co KG
Original Assignee
Heroal Johann Henkenjohann GmbH and Co KG
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Publication date
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Publication of EP2586953A2 publication Critical patent/EP2586953A2/en
Publication of EP2586953A3 publication Critical patent/EP2586953A3/en
Application granted granted Critical
Publication of EP2586953B1 publication Critical patent/EP2586953B1/en
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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
    • E06B3/26301—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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • 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
    • E06B3/26303—Frames with special provision for insulation with prefabricated insulating strips between two metal section members with thin strips, e.g. defining a hollow space between the metal section members
    • 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
    • E06B3/267—Frames with special provision for insulation with insulating elements formed in situ
    • E06B3/2675—Frames with special provision for insulation with insulating elements formed in situ combined with prefabricated insulating elements
    • 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
    • E06B2003/2635—Specific form characteristics
    • E06B2003/26352—Specific form characteristics hollow
    • 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
    • E06B2003/2635—Specific form characteristics
    • E06B2003/26358—Specific form characteristics stepped or undulated
    • 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
    • E06B2003/26387—Performing extra functions
    • E06B2003/26389—Holding sealing strips or forming sealing abutments

Definitions

  • the invention relates to an insulating web for connecting two profile elements of a thermally insulated profile, preferably a window, a door, a gate and / or a facade, with at least two terminal strips for connecting the insulating web to the profile elements.
  • the invention also relates to a thermally insulated profile, preferably a window, a door, a gate and / or a facade, comprising two profile elements, an insulation material provided between the two profile elements and at least one insulation web connected to the two profiles at opposite ends.
  • Windows, doors, gates, facade elements and the like can be formed from thermally insulated profiles or have thermally insulated profiles.
  • these profiles contain a heat-insulating material, such as a foamed plastic, in their interior.
  • the profile elements In order to obtain a higher rigidity of the profiles, the profile elements have to be connected to one another in addition to the insulation material via stiffening elements. So that this does not affect the heat transfer resistance, it must be ensured that the stiffening elements do not form cold bridges.
  • the problem here is that more stable materials usually have a higher thermal conductivity, so that an increase in stiffness regularly with a Reduction of the thermal resistance must be bought.
  • isolation bars There are basically two different types of isolation bars. Some isolation bars are designed as thin but massive profiles. Other isolation bars are designed as hollow profiles. The cavities or hollow chambers of the hollow profiles are intended to reduce the heat transport via the insulation web. In general, there are many different isolation bars, each with different advantages and disadvantages. There is therefore a need for further optimization in this regard.
  • EP 2 116 685 A2 discloses an insulating web according to the preamble of claim 1. Therefore, the object of the present invention is to design and develop the insulating web mentioned at the beginning and described in more detail above and the thermally insulated profile in such a way that, based on the profile, a better ratio between the mechanical properties on the one hand and the thermal properties on the other hand is enabled.
  • the aforementioned object is achieved by a thermally insulated profile according to claim 14, in that the insulating web is an insulating web according to one of claims 1 to 13.
  • the invention has recognized that neither insulating webs in the form of hollow profiles, nor insulating webs without hollow profiles embody a superior design principle when it comes to an optimal combination of mechanical and thermal properties. Furthermore, the invention has recognized that the combination of these two construction principles can offer considerable potential for better coordinating the properties of the insulating bars with one another or improving them overall, and not by any combination, but by a very specific one, namely the one in Claim 1 specified, combination.
  • connection strips External forces are mainly introduced into the insulating bar via the connection strips. Therefore, the mechanical requirements on the insulating bar in terms of stability and rigidity are particularly high there. If the profile elements are exposed to different temperatures, a heat flow is transferred from the corresponding profile element to the insulating web and vice versa via the connection strips. This heat transport should be kept low in order to reduce the heat exchange between the profile elements. At higher temperatures, however, there should not be any heat build-up there either, which could lead to softening of the insulating bar.
  • the hollow-chamber profile section meets the described mechanical and thermal requirements for the insulating web in the area of the connection strips particularly well.
  • the hollow profile has a stiffening effect.
  • the two wall elements of the hollow chamber profile section together form a very wide material cross section, preferably a wider material cross section than in the area of the profile bar section, whereby the stability and rigidity are also improved. If the sum of the wall thicknesses of the two wall elements of the hollow chamber profile section is wider than the wall thickness of the profile rod, which will usually be the case, the hollow chamber profile section will regularly be preferred from a mechanical point of view, while the profile rod section will regularly be preferred from a thermal point of view.
  • the invention has further recognized that despite the overall good mechanical properties and, based on the profile, actually also good thermal properties due to the provision of insulating hollow chambers, it is not expedient to allow the hollow chamber profile section to run through from one terminal block to the opposite terminal block. At least in a central area of the insulating web, a lower stability and rigidity is usually required than adjacent to the terminal block. It is therefore advantageous overall to accept poorer mechanical properties in the central area of the insulating web by using a solid profile bar section instead of a hollow chamber profile section.
  • the profile bar section requires significantly less space, so that at least in the middle area of the insulating web, instead of the hollow chamber profile section, an even better insulating Material, such as a foamed plastic, can be provided. This improves the overall insulation effect of the profile.
  • a high level of stability and rigidity is actually required, namely adjacent to the connection strips, sufficient mechanical stability and strength are provided.
  • thermally insulated profile which can be formed using the insulating web described, according to the invention
  • very good thermal properties can be achieved with an overall very high stability and rigidity of the profile.
  • a solid profile bar section is understood to mean a profile section of the insulating web which does not define any inner hollow chambers, that is to say is of solid construction, and which is preferably bar-shaped in a cross section of the insulating web.
  • the profile bar section does not have to run in a straight line in this cross section, that is to say without curvature, even if this can be preferred in principle to improve the rigidity.
  • a hollow chamber profile section is to be understood as a profile section that defines at least one inner hollow chamber, that is to say is ultimately designed as a hollow profile section.
  • the hollow chamber is surrounded by at least two wall sections of the hollow chamber profile section.
  • the hollow chamber preferably runs along the insulating web.
  • connection strips each connected to a hollow chamber profile section.
  • the at least two connection strips can be provided on the same side of the insulating web.
  • connection strips can be provided at opposite ends of the insulating web, each of which adjoins a hollow chamber profile section.
  • At least two hollow chamber profile sections are preferably each connected to a profile bar section in order to again achieve the best possible combination of stability and thermal insulation in relation to the thermally insulated profile.
  • this preferably applies not only to certain hollow chamber profile sections, but preferably to all hollow chamber profile sections of the insulating web.
  • the profile bar section should not be too short in relation to the length of the insulating web.
  • the profile rod section therefore preferably extends over at least 20% of the length of the insulating web.
  • the hollow chamber profile section extends over less than 40%, preferably less than 30%, more preferably less than 20%, of the length of the insulating web.
  • the length of the hollow chamber profile section can also be dependent on whether hollow chamber profile sections are provided on opposite connection strips. Then it is usually more favorable if the length extension of each individual hollow chamber profile section is smaller. This, too, is derived from the mechanical and thermal properties of a hollow chamber profile section on the one hand and of a profile rod section on the other hand, which have already been discussed in detail.
  • the at least one hollow chamber profile section can be arranged on the first half of the length of the insulating web. In other words, the at least one hollow chamber profile section does not protrude beyond the center plane between the two connection strips.
  • a profile bar section is provided, which creates space between the profile elements for a better insulating material than the insulating web and has a smaller material cross-section for heat transport than the hollow-chamber profile section.
  • the at least one hollow chamber profile section tapers adjacent to the profile bar section at an angle of 35 ° to 55 °.
  • the hollow chamber profile section runs out at this angle and goes into the profile bar section over. It is particularly preferred in this context if the said angle is essentially 45 °.
  • the hollow chamber profile section therefore merges gradually and not abruptly into the profile rod section.
  • the at least one hollow chamber profile section can widen at an angle between 70 ° and 110 ° adjacent to the connection strip. Since there is good stability of the insulating web adjacent to the connection strip, a relatively large volume of the hollow-chamber profile section can be obtained over a short distance without too great a discontinuity in the profile of the insulating web. Particularly good results could be obtained when the angle mentioned was between 85 ° and 95 °, in particular approximately 90 °.
  • the profile bar section can be arranged laterally offset to a straight connecting line between the two connection strips.
  • the profile bar section can then define a uniform connection plane of the insulating web.
  • At least one hollow chamber profile section and / or at least one profile rod section can have a functional profile section.
  • the functional profile section can increase the stability of the insulating web and the connection or interaction with adjacent functional sections of the thermally insulated Serve profile.
  • the at least one functional profile section can therefore preferably extend laterally to the rest of the insulating web and / or protrude laterally outward from the rest of the insulating web.
  • connection strips can have a, preferably dovetail-shaped, widening for fastening in a groove of a profile element.
  • the at least one adjoining connection strip can be designed in two parts, the two parts of the connection strip being connected to opposite wall elements of the hollow chamber profile section. A gap then results, for example, starting from the hollow chamber of the hollow chamber profile section through the adjoining connection strip.
  • the insulating bars can be formed simply and inexpensively as an extruded profile.
  • the material used is preferably a plastic, in the case of an extruded profile, preferably thermoplastic plastic.
  • the thermally insulated profile it is preferred if two insulating webs are provided and the insulating webs define an insulation chamber filled with a, preferably foamed, insulating material.
  • the insulation material can be pushed into the insulation chamber and / or attached to the at least one insulating web. This can improve the thermal insulation of the entire profile. From a structural point of view and for faster and simpler assembly, it is advisable if the two insulating webs are of essentially identical design.
  • a thermally insulated profile 1 is shown schematically, which comprises two profile elements 2, 3 which are connected to one another via two outer insulating webs 5.
  • the profile elements 2,3 can be made of a metallic material, preferably aluminum, while the insulating webs 5 can be profiles extruded from plastic.
  • the profile elements 2, 3 have grooves 6 into which the connecting strips 7 of the insulating webs 5 are introduced.
  • the grooves 6 and connection strips 7 in the illustrated and insofar preferred thermally insulated profile 1 are designed to correspond to one another and in the present case are dovetail-shaped.
  • the grooves 6 and the insulating webs 5 form a flat outer end of the thermally insulated profile 1.
  • the space 8 enclosed by the profile elements 2, 3 and the insulating webs 5 is at least substantially filled with an insulating material 10.
  • the insulating material 10 is preferably a foamed plastic, in particular polyurethane.
  • connection strip 7 In the Fig. 2 an insulating bar 5 is shown, as it is in the in Fig. 1 Profile 1 shown has been used.
  • a hollow-chamber profile section 11 adjoins the connection strips 7 already described, which define the opposite ends of the insulating web 5.
  • the wall thickness of the connection strip 7 is thereby divided, so that two wall elements 12, 13 are created which are spaced from one another by a gap or cavity 14. These two wall elements 12, 13 initially diverge, ie starting from the connection strips 7, at an angle of approximately 90 °.
  • each hollow chamber profile section 11 the two wall elements 12, 13 run towards one another again, specifically at an angle of approximately 45 °. With the union of the two wall elements 12, 13 everyone goes at the same time Hollow chamber profile section 11 into a solid profile bar section 15 without hollow chambers. In the illustrated and insofar preferred insulating web 5, both hollow chamber profile sections 11 merge into one and the same profile bar section 15, but preferably the wall elements 12, 13 together provide a larger material cross-section based on the material of the insulating web 5 than the profile bar section 15.
  • the profile bar section 15 also extends in a direction perpendicular to the plane of the drawing. In the in the Fig. 2 The cross-section of the insulating web 5 shown, the profile rod section 15 has a rod-shaped appearance. The profile bar section 15 and the hollow chamber profile sections 11 are designed in alignment with one another and form a common outer plane 16.
  • the profiled section 15 extends over approximately 30% of the length of the insulating web 5, ie. H. the distance between the outer ends of the connecting strips 7.
  • the two hollow chamber profile sections 11 each extend over approximately 10% -25% of the length of the insulating web 5.
  • the remaining part of the insulating web 5 is formed by the connecting strips 7.
  • the Indian Fig. 3 The insulating web 5 'illustrated and preferred in this respect corresponds in a basic structure with regard to the connecting strips 7, the hollow chamber profile sections 11 and the profile bar section 15 of the in FIG Fig. 2 illustrated insulating web 5.
  • the insulating web 5 ' on the one hand still points from the profile bar section 15 and on the other hand from one of the two Hollow chamber profile sections 11 functional profile sections 17, 18 pointing outwards.
  • the functional profile sections 17, 18 have hook sections 19, 20 at their free ends, in order to be able to interact and / or be connected to other profile components, for example.
  • an insulating web 5 ′′ is shown, the connection strips 7 of which correspond to the connection strips 7 in the Fig. 2 and 3
  • the insulating bars shown correspond to 5.5 '.
  • the insulating webs 5 ′′ shown are also each connected to a hollow chamber profile section 11 ′, 11 ′′ adjacent to the connection strips 7.
  • the hollow chamber profile sections 11 ′, 11 ′′ are designed differently from one another. While one hollow chamber profile section 11 'extends over about 20% -30% of the length of the insulating web, the other hollow chamber profile section 11 ′′ extends over about 30% -40% of the length of the insulating web.
  • the hollow chamber profile sections 11 ', 11 Adjacent to the connection strips 7, the hollow chamber profile sections 11 ', 11 "each form two wall elements 12', 12", 13 ', 13 ", one of which each extends approximately in the longitudinal direction of the insulating web 5", while extending approximately at an angle of 90 ° at least initially the other wall element 12 ', 12 "extends from one wall element 13', 13".
  • the outer wall elements 12', 12" are in alignment with that provided between the hollow chamber profile sections 11 ', 11 " Profile bar section 15 'aligned.
  • the inner wall elements 13 ', 13 run at an angle of approximately 45 ° towards this common plane 16' and then merge into the profile bar section 15 '.
  • a wall element 12 "of the Fig. 4 The insulating web 5 ′′ shown and insofar preferred has an S-shaped curvature 21. However, no or more S-shaped curvatures can also be provided, which preferably correspond to further profile components.
  • an insulating web 5 ′′ is shown, which is a modification of the insulating web 5 according to FIG Fig. 2 acts. It is therefore only the differences to the insulating web 5 according to FIG Fig. 2 received. If necessary, these features could also be provided on other insulating bars.
  • connection strips 7 ' are designed in two parts, namely the connection strips 7' are essentially divided in two along the insulating web 5 '".
  • Each of the two parts of the connection strips 7' is connected to another wall element 12, 13 of the respectively adjacent hollow chamber profile section 11 In this way, the production of the cavities 14 of the hollow chamber profile sections 11 "'is simplified.
  • the division of the connection strips 7 'can, if necessary, also help to compensate for the stresses arising from temperature differences.
  • FIG. 6 details of two thermally insulated profiles 1 ', 1 "connected to one another via a sealing element 22 are shown.
  • the two thermally insulated and insofar preferred profiles 1', 1" have those already shown in FIGS Figs. 2 to 4 illustrated and thus far described insulating bars 5, 5 ', 5 ".
  • Each of the two thermally insulated profiles 1 ', 1 comprising two profile elements 2', 2", 3 ', 3 "which are connected to one another via two insulating webs 5, 5', 5".
  • the profile elements 2 ', 2 ", 3', 3" and the insulating webs 5, 5 ', 5 each enclose a space 8', 8" which is essentially filled with an insulating material 10 '.
  • the insulating webs 5, 5 ', 5 are designed differently.
  • An outer insulating web 5 forms a flat, outer surface, while other insulating webs 5' carry functional profiles 17, 18 on the outside, which extend outward from insulating web 5 'and with other profile components
  • the sealing element 22 is fixed on one of the insulating webs 5 'and rests in a sealing manner on the other thermally insulated profile 1 ′′.
  • the opposite insulating web 5 ′′ of the other thermally insulated profile 1 ′′ has a shoulder in the form of an S-shaped curved outer contour 21 in the area of one of the hollow chamber profile sections 11 ′′.
  • the other profile 1 ′′ shown on the right is also a thermal insulation in the space 8 "enclosed by the two insulating webs 5 ', 5" and the two corresponding profile elements 2 ", 3".

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

Description

Die Erfindung betrifft einen Isoliersteg zur Verbindung zweier Profilelemente eines wärmegedämmten Profils, vorzugsweise eines Fensters, einer Tür, eines Tors und/oder einer Fassade, mit wenigstens zwei endständigen Anschlussleisten zum Verbinden des Isolierstegs mit den Profilelementen. Die Erfindung betrifft zudem ein wärmegedämmtes Profil, vorzugsweise eines Fensters, einer Tür, eines Tors und/oder einer Fassade, umfassend zwei Profilelemente, ein zwischen den beiden Profilelementen vorgesehenes Isolationsmaterial und wenigstens einen an gegenüberliegenden Enden mit den beiden Profilen verbundenen Isolationssteg.The invention relates to an insulating web for connecting two profile elements of a thermally insulated profile, preferably a window, a door, a gate and / or a facade, with at least two terminal strips for connecting the insulating web to the profile elements. The invention also relates to a thermally insulated profile, preferably a window, a door, a gate and / or a facade, comprising two profile elements, an insulation material provided between the two profile elements and at least one insulation web connected to the two profiles at opposite ends.

Fenster, Türen, Tore, Fassadenelemente und dergleichen können aus wärmegedämmten Profilen gebildet werden bzw. wärmegedämmte Profile aufweisen. Diese Profile enthalten zum Zwecke der Wärmedämmung in ihrem Inneren ein wärmeisolierendes Material, wie etwa einen geschäumten Kunststoff. Um eine höhere Steifigkeit der Profile zu erhalten, müssen die Profilelemente neben dem Isolationsmaterial noch über Versteifungselemente miteinander verbunden werden. Damit dies nicht zulasten des Wärmedurchgangswiderstands geht, muss dafür Sorge getragen werden, dass die Versteifungselemente keine Kältebrücken bilden. Problematisch ist dabei, dass stabilere Materialien in der Regel eine höhere Wärmeleitfähigkeit aufweisen, so dass eine Erhöhung der Steifigkeit regelmäßig mit einer Verringerung des Wärmedurchgangswiderstands erkauft werden muss.Windows, doors, gates, facade elements and the like can be formed from thermally insulated profiles or have thermally insulated profiles. For the purpose of thermal insulation, these profiles contain a heat-insulating material, such as a foamed plastic, in their interior. In order to obtain a higher rigidity of the profiles, the profile elements have to be connected to one another in addition to the insulation material via stiffening elements. So that this does not affect the heat transfer resistance, it must be ensured that the stiffening elements do not form cold bridges. The problem here is that more stable materials usually have a higher thermal conductivity, so that an increase in stiffness regularly with a Reduction of the thermal resistance must be bought.

Es existieren grundsätzlich zwei unterschiedliche Arten von Isolationsstegen. Einige Isolationsstege sind als dünne aber massive Profile ausgebildet. Andere Isolationsstege sind als Hohlprofile ausgebildet. Die Hohlräume bzw. Hohlkammern der Hohlprofile sollen den Wärmetransport über den Isolationssteg verringern. Ganz allgemein existieren sehr viele verschiedene Isolationsstege, die jeweils unterschiedliche Vorzüge und Nachteile haben. Es besteht in dieser Hinsicht also weiter Optimierungsbedarf.There are basically two different types of isolation bars. Some isolation bars are designed as thin but massive profiles. Other isolation bars are designed as hollow profiles. The cavities or hollow chambers of the hollow profiles are intended to reduce the heat transport via the insulation web. In general, there are many different isolation bars, each with different advantages and disadvantages. There is therefore a need for further optimization in this regard.

EP 2 116 685 A2 offenbart einen Isoliersteg gemäß dem Oberbegriff des Anspruchs 1. Daher besteht die Aufgabe der vorliegenden Erfindung darin, den eingangs genannten und zuvor näher beschriebenen Isoliersteg sowie das wärmegedämmte Profil derart auszugestalten und weiterzubilden, dass bezogen auf das Profil ein besseres Verhältnis zwischen den mechanischen Eigenschaften einerseits und den thermischen Eigenschaften andererseits ermöglicht wird. EP 2 116 685 A2 discloses an insulating web according to the preamble of claim 1. Therefore, the object of the present invention is to design and develop the insulating web mentioned at the beginning and described in more detail above and the thermally insulated profile in such a way that, based on the profile, a better ratio between the mechanical properties on the one hand and the thermal properties on the other hand is enabled.

Diese Aufgabe ist bei einem Isoliersteg gemäß Anspruch 1 dadurch gelöst, dass der Hohlkammerprofilabschnitt in einem Winkel von 35° bis 55° ausläuft und dadurch in den Profilstababschnitt allmählich übergeht.This object is achieved in an insulating web according to claim 1 in that the hollow chamber profile section tapers out at an angle of 35 ° to 55 ° and thus gradually merges into the profile bar section.

Zudem ist die zuvor genannte Aufgabe durch ein wärmegedämmtes Profil gemäß Anspruch 14 dadurch gelöst, dass der Isolationssteg ein Isoliersteg nach einem der Ansprüche 1 bis 13 ist.In addition, the aforementioned object is achieved by a thermally insulated profile according to claim 14, in that the insulating web is an insulating web according to one of claims 1 to 13.

Die Erfindung hat erkannt, dass weder Isolierstege in Form von Hohlprofilen, noch Isolierstege ohne Hohlprofile ein überlegenes Konstruktionsprinzip verkörpern, wenn es um eine optimale Kombination zwischen mechanischen und thermischen Eigenschaften geht. Weiter hat die Erfindung erkannt, dass gerade in der Kombination dieser beiden Konstruktionsprinzipien ein erhebliches Potential liegen kann, die Eigenschaften der Isolationsstege besser aufeinander abzustimmen bzw. insgesamt zu verbessern, und zwar nicht durch eine beliebige Kombination, sondern durch eine ganz bestimmte, nämlich die in Anspruch 1 angegebene, Kombination.The invention has recognized that neither insulating webs in the form of hollow profiles, nor insulating webs without hollow profiles embody a superior design principle when it comes to an optimal combination of mechanical and thermal properties. Furthermore, the invention has recognized that the combination of these two construction principles can offer considerable potential for better coordinating the properties of the insulating bars with one another or improving them overall, and not by any combination, but by a very specific one, namely the one in Claim 1 specified, combination.

Äußere Kräfte werden im Wesentlichen über die Anschlussleisten in den Isoliersteg eingeleitet. Daher sind die mechanischen Anforderungen an den Isoliersteg hinsichtlich der Stabilität und Steifigkeit dort besonders hoch. Wenn die Profilelemente unterschiedlichen Temperaturen ausgesetzt sind, wird über die Anschlussleisten ein Wärmestrom von dem entsprechenden Profilelement auf den Isoliersteg übertragen und umgekehrt. Dieser Wärmetransport sollte gering gehalten werden, um den Wärmeaustausch zwischen den Profilelementen zu vermindern. Es sollte bei höheren Temperaturen dort aber auch nicht zu einem Wärmestau kommen, der zu einem Erweichen des Isolierstegs führen könnte.External forces are mainly introduced into the insulating bar via the connection strips. Therefore, the mechanical requirements on the insulating bar in terms of stability and rigidity are particularly high there. If the profile elements are exposed to different temperatures, a heat flow is transferred from the corresponding profile element to the insulating web and vice versa via the connection strips. This heat transport should be kept low in order to reduce the heat exchange between the profile elements. At higher temperatures, however, there should not be any heat build-up there either, which could lead to softening of the insulating bar.

Den beschriebenen mechanischen und thermischen Anforderungen an den Isoliersteg im Bereich der Anschlussleisten wird der Hohlkammerprofilabschnitt besonders gut gerecht. Einerseits wirkt das Hohlkammerprofil versteifend. Andererseits bilden die beiden Wandelemente des Hohlkammerprofilabschnitts insgesamt einen recht breiten Materialquerschnitt, vorzugsweise einen breiteren Materialquerschnitt als im Bereich des Profilstababschnitts, wodurch die Stabilität sowie Steifigkeit ebenso verbessert wird. Sofern die Summe der Wandstärken der beiden Wandelemente des Hohlkammerprofilabschnitts breiter ist als die Wandstärke des Profilstabs, was in der Regel der Fall sein wird, wird der Hohlkammerprofilabschnitt regelmäßig aus mechanischer Sicht bevorzugt sein, während der Profilstababschnitt regelmäßig aus thermischer Sicht bevorzugt sein wird.The hollow-chamber profile section meets the described mechanical and thermal requirements for the insulating web in the area of the connection strips particularly well. On the one hand, the hollow profile has a stiffening effect. On the other hand, the two wall elements of the hollow chamber profile section together form a very wide material cross section, preferably a wider material cross section than in the area of the profile bar section, whereby the stability and rigidity are also improved. If the sum of the wall thicknesses of the two wall elements of the hollow chamber profile section is wider than the wall thickness of the profile rod, which will usually be the case, the hollow chamber profile section will regularly be preferred from a mechanical point of view, while the profile rod section will regularly be preferred from a thermal point of view.

Die Erfindung hat weiter erkannt, dass es trotz der insgesamt guten mechanischen Eigenschaften und bezogen auf das Profil eigentlich auch guten thermischen Eigenschaften infolge der Bereitstellung isolierender Hohlkammern nicht zweckmäßig ist, den Hohlkammerprofilabschnitt von einer Anschlussleiste bis zur gegenüberliegenden Anschlussleiste durchlaufen zu lassen. Wenigstens in einem mittleren Bereich des Isolierstegs wird in der Regel eine geringere Stabilität und Steifigkeit als angrenzend zur Anschlussleiste benötigt. Es ist daher insgesamt vorteilhaft, im mittleren Bereich des Isolierstegs schlechtere mechanischen Eigenschaften hinzunehmen, indem dort statt von einem Hohlkammerprofilabschnitt von einem massiven Profilstababschnitt Gebrauch gemacht wird. Der Profilstababschnitt benötigt deutlich weniger Raum, so dass wenigstens in dem mittleren Bereich des Isolierstegs anstelle des Hohlkammerprofilabschnitts ein noch besser isolierendes Material, wie etwa ein geschäumter Kunststoff, vorgesehen werden kann. Dadurch wird die Isolationswirkung des Profils insgesamt verbessert. Gleichzeitig werden aber dort, wo tatsächlich eine hohe Stabilität und Steifigkeit benötigt wird, nämlich angrenzend zu den Anschlussleisten, eine ausreichende mechanische Stabilität und Festigkeit bereitgestellt.The invention has further recognized that despite the overall good mechanical properties and, based on the profile, actually also good thermal properties due to the provision of insulating hollow chambers, it is not expedient to allow the hollow chamber profile section to run through from one terminal block to the opposite terminal block. At least in a central area of the insulating web, a lower stability and rigidity is usually required than adjacent to the terminal block. It is therefore advantageous overall to accept poorer mechanical properties in the central area of the insulating web by using a solid profile bar section instead of a hollow chamber profile section. The profile bar section requires significantly less space, so that at least in the middle area of the insulating web, instead of the hollow chamber profile section, an even better insulating Material, such as a foamed plastic, can be provided. This improves the overall insulation effect of the profile. At the same time, however, where a high level of stability and rigidity is actually required, namely adjacent to the connection strips, sufficient mechanical stability and strength are provided.

Bezogen auf das wärmegedämmte Profil, das unter Verwendung des beschriebenen Isolierstegs gebildet werden kann, können also erfindungsgemäß einerseits sehr gute thermische Eigenschaften bei einer insgesamt sehr hohen Stabilität und Steifigkeit des Profils erreicht werden.In relation to the thermally insulated profile, which can be formed using the insulating web described, according to the invention, on the one hand, very good thermal properties can be achieved with an overall very high stability and rigidity of the profile.

Unter einem massiven Profilstababschnitt wird vorliegend ein Profilabschnitt des Isolierstegs verstanden, der keine inneren Hohlkammern definiert, also massiv ausgebildet ist, und der, vorzugsweise in einem Querschnitt des Isolierstegs, stabförmig ausgebildet ist. Der Profilstababschnitt muss in diesem Querschnitt nicht geradlinig, also ohne Krümmung verlaufen, auch wenn dies grundsätzlich zur Verbesserung der Steifigkeit bevorzugt sein kann. Unter einem Hohlkammerprofilabschnitt wird in Abgrenzung zum Profilstababschnitt ein solcher Profilabschnitt verstanden, der wenigstens eine innere Hohlkammer definiert, also letztlich als Hohlprofilabschnitt ausgebildet ist. Die Hohlkammer ist dabei von wenigstens zwei Wandabschnitten des Hohlkammerprofilabschnitts umgeben. Zudem verläuft die Hohlkammer vorzugsweise längs zum Isoliersteg.In the present case, a solid profile bar section is understood to mean a profile section of the insulating web which does not define any inner hollow chambers, that is to say is of solid construction, and which is preferably bar-shaped in a cross section of the insulating web. The profile bar section does not have to run in a straight line in this cross section, that is to say without curvature, even if this can be preferred in principle to improve the rigidity. A hollow chamber profile section is to be understood as a profile section that defines at least one inner hollow chamber, that is to say is ultimately designed as a hollow profile section. The hollow chamber is surrounded by at least two wall sections of the hollow chamber profile section. In addition, the hollow chamber preferably runs along the insulating web.

Bei einem ersten bevorzugten Isoliersteg sind aus den zuvor eingehend diskutierten Gründen die wenigstens zwei Anschlussleisten mit jeweils einem Hohlkammerprofilabschnitt verbunden. Die wenigstens zwei Anschlussleisten können an der gleichen Seite des Isolierstegs vorgesehen sein. Bei einer besonders bevorzugten Ausgestaltung des Isolierstegs können an gegenüberliegenden Enden des Isolierstegs Anschlussleisten vorgesehen sein, die jeweils an ein Hohlkammerprofilabschnitt angrenzen.In a first preferred insulating bar, for the reasons discussed in detail above, the at least two Terminal strips each connected to a hollow chamber profile section. The at least two connection strips can be provided on the same side of the insulating web. In a particularly preferred embodiment of the insulating web, connection strips can be provided at opposite ends of the insulating web, each of which adjoins a hollow chamber profile section.

Die dann vorgesehenen, wenigstens zwei Hohlkammerprofilabschnitte, sind vorzugsweise jeweils mit einem Profilstababschnitt verbunden, um wiederum eine möglichst optimale Kombination zwischen Stabilität und Wärmeisolation bezogen auf das wärmegedämmte Profil zu erreichen. Dies gilt zudem vorzugsweise nicht nur für bestimmte Hohlkammerprofilabschnitte, sondern vorzugsweise für alle Hohlkammerprofilabschnitte des Isolierstegs. Alternativ oder zusätzlich bietet es sich für einen konstruktiv einfachen und aus thermischer Sicht begünstigten Isoliersteg an, wenn die wenigstens zwei Hohlkammerprofilabschnitte direkt oder indirekt mit demselben Profilstababschnitt verbunden sind.The then provided, at least two hollow chamber profile sections are preferably each connected to a profile bar section in order to again achieve the best possible combination of stability and thermal insulation in relation to the thermally insulated profile. In addition, this preferably applies not only to certain hollow chamber profile sections, but preferably to all hollow chamber profile sections of the insulating web. As an alternative or in addition, it is advisable for a structurally simple insulating web that is favorable from a thermal point of view if the at least two hollow chamber profile sections are connected directly or indirectly to the same profile bar section.

Um die thermischen Anforderungen an den Isoliersteg günstig zu beeinflussen, indem zwischen den Profilelementen Raum für ein isolierendes Material geschaffen wird, sollte der Profilstababschnitt nicht zu kurz in Bezug auf die Länge des Isolierstegs sein. Vorzugsweise erstreckt sich der Profilstababschnitt daher wenigstens über 20% der Länge des Isolierstegs.In order to favorably influence the thermal requirements on the insulating web by creating space for an insulating material between the profile elements, the profile bar section should not be too short in relation to the length of the insulating web. The profile rod section therefore preferably extends over at least 20% of the length of the insulating web.

Damit der Einfluss des Hohlkammerprofils auf den Isoliersteg nicht zu groß wird und damit genügend Platz für den Profilstababschnitt und/oder ein zusätzliches, isolierendes Material bereitsteht, bietet es sich an, wenn der Hohlkammerprofilabschnitt sich über weniger als 40%, vorzugsweise weniger als 30%, weiter vorzugsweise weniger als 20%, der Länge des Isolierstegs erstreckt. Die Länge des Hohlkammerprofilabschnitts kann dabei auch davon abhängig sein, ob an gegenüberliegenden Anschlussleisten Hohlkammerprofilabschnitte vorgesehen sind. Dann ist es nämlich in der Regel günstiger, wenn die Längenerstreckung jedes einzelnen Hohlkammerprofilabschnitts geringer ist. Auch dies leitet sich aus den zuvor bereits eingehend diskutierten mechanischen und thermischen Eigenschaften eines Hohlkammerprofilabschnitts einerseits und eines Profilstababschnitts andererseits ab.So that the influence of the hollow chamber profile on the insulating web does not become too great and thus enough space for the profile bar section and / or an additional, insulating one Material is available, it is advisable if the hollow chamber profile section extends over less than 40%, preferably less than 30%, more preferably less than 20%, of the length of the insulating web. The length of the hollow chamber profile section can also be dependent on whether hollow chamber profile sections are provided on opposite connection strips. Then it is usually more favorable if the length extension of each individual hollow chamber profile section is smaller. This, too, is derived from the mechanical and thermal properties of a hollow chamber profile section on the one hand and of a profile rod section on the other hand, which have already been discussed in detail.

Um die thermischen Eigenschaften des Isolierstegs zu verbessern, kann der wenigstens eine Hohlkammerprofilabschnitt jeweils auf der ersten Hälfte der Länge des Isolierstegs angeordnet sein. Mit anderen Worten ragt der wenigstens eine Hohlkammerprofilabschnitt nicht über die Mittelebene zwischen den beiden Anschlussleisten über. Mittig bezogen auf den Isoliersteg ist also ein Profilstababschnitt vorgesehen, der zwischen den Profilelementen Raum für ein gegenüber dem Isoliersteg besser isolierendes Material schafft und einen geringeren Materialquerschnitt für den Wärmetransport als der Hohlkammerprofilabschnitt aufweist.In order to improve the thermal properties of the insulating web, the at least one hollow chamber profile section can be arranged on the first half of the length of the insulating web. In other words, the at least one hollow chamber profile section does not protrude beyond the center plane between the two connection strips. In the center of the insulating web, a profile bar section is provided, which creates space between the profile elements for a better insulating material than the insulating web and has a smaller material cross-section for heat transport than the hollow-chamber profile section.

Zur Verbesserung der Stabilität des Isolierstegs verjüngt sich der wenigstens eine Hohlkammerprofilabschnitt angrenzend zum Profilstababschnitt in einem Winkel von 35° bis 55°. Mit anderen Worten läuft der Hohlkammerprofilabschnitt in diesem Winkel aus und geht in den Profilstababschnitt über. Besonders bevorzugt ist es in diesem Zusammenhang, wenn der genannte Winkel im Wesentlichen 45° beträgt. Der Hohlkammerprofilabschnitt geht also allmählich und nicht abrupt in den Profilstababschnitt über.To improve the stability of the insulating web, the at least one hollow chamber profile section tapers adjacent to the profile bar section at an angle of 35 ° to 55 °. In other words, the hollow chamber profile section runs out at this angle and goes into the profile bar section over. It is particularly preferred in this context if the said angle is essentially 45 °. The hollow chamber profile section therefore merges gradually and not abruptly into the profile rod section.

Zusätzlich kann sich der wenigstens eine Hohlkammerprofilabschnitt angrenzend zur Anschlussleiste in einem Winkel zwischen 70° und 110° aufweiten. Da angrenzend zur Anschlussleiste eine gute Stabilität des Isolierstegs gegeben ist, kann also ohne eine allzu große Unstetigkeit im Profilverlauf des Isolierstegs auf kurzer Distanz ein verhältnismäßig großes Volumen des Hohlkammerprofilabschnitts erhalten werden. Besonders gute Ergebnisse konnten erhalten werden, wenn der genannte Winkel zwischen 85° und 95°, insbesondere etwa 90°, betragen hat.In addition, the at least one hollow chamber profile section can widen at an angle between 70 ° and 110 ° adjacent to the connection strip. Since there is good stability of the insulating web adjacent to the connection strip, a relatively large volume of the hollow-chamber profile section can be obtained over a short distance without too great a discontinuity in the profile of the insulating web. Particularly good results could be obtained when the angle mentioned was between 85 ° and 95 °, in particular approximately 90 °.

Aus konstruktiver Sicht und zum Anschluss weiterer Funktionsabschnitte des wärmegedämmten Profils an den Isoliersteg, kann der Profilstababschnitt seitlich versetzt zu einer Verbindungsgeraden zwischen den beiden Anschlussleisten angeordnet sein. Der Profilstababschnitt kann dann eine gleichförmige Anschlussebene des Isolierstegs definieren.From a structural point of view and for the connection of further functional sections of the thermally insulated profile to the insulating web, the profile bar section can be arranged laterally offset to a straight connecting line between the two connection strips. The profile bar section can then define a uniform connection plane of the insulating web.

Damit der Isoliersteg zur Nutzung von weiteren funktionalen oder mechanischen Synergien verwendet werden kann, kann wenigstens ein Hohlkammerprofilabschnitt und/oder wenigstens ein Profilstababschnitt einen Funktionsprofilabschnitt aufweisen. Der Funktionsprofilabschnitt kann der Stabilität des Isolierstegs und der Anbindung oder der Wechselwirkung mit angrenzenden Funktionsabschnitten des wärmegedämmten Profils dienen. Daher kann sich der wenigstens eine Funktionsprofilabschnitt vorzugsweise seitlich zum übrigen Isoliersteg erstrecken und/oder vom übrigen Isoliersteg seitlich nach außen abstehen.So that the insulating web can be used to utilize further functional or mechanical synergies, at least one hollow chamber profile section and / or at least one profile rod section can have a functional profile section. The functional profile section can increase the stability of the insulating web and the connection or interaction with adjacent functional sections of the thermally insulated Serve profile. The at least one functional profile section can therefore preferably extend laterally to the rest of the insulating web and / or protrude laterally outward from the rest of the insulating web.

Zur besseren Anbindung an die Profilelemente und zur Erhöhung der Steifigkeit des Isolierstegs können die Anschlussleisten eine, vorzugsweise Schwalbenschwanzförmige, Aufweitung zur Befestigung in einer Nut eines Profilelements aufweisen.For better connection to the profile elements and to increase the rigidity of the insulating web, the connection strips can have a, preferably dovetail-shaped, widening for fastening in a groove of a profile element.

Um den wenigstens einen Hohlkammerprofilabschnitt problemlos auch mit einer besonders kleinen Hohlkammer fertigen zu können, kann die wenigstens eine angrenzende Anschlussleiste zweiteilig ausgebildet sein, wobei die beiden Teile der Anschlussleiste mit gegenüberliegenden Wandelementen der Hohlkammerprofilabschnitts verbunden sind. Es ergibt sich dann beispielsweise ein Spalt ausgehend von der Hohlkammer des Hohlkammerprofilabschnitts durch die angrenzende Anschlussleiste.In order to be able to manufacture the at least one hollow chamber profile section with a particularly small hollow chamber without any problems, the at least one adjoining connection strip can be designed in two parts, the two parts of the connection strip being connected to opposite wall elements of the hollow chamber profile section. A gap then results, for example, starting from the hollow chamber of the hollow chamber profile section through the adjoining connection strip.

Einfach und kostengünstig können die Isolierstege als extrudiertes Profil gebildet werden. Als Material kommt aus thermischen Gesichtspunkten vorzugsweise ein Kunststoff in Frage, im Falle eines extrudierten Profils, vorzugsweise thermoplastischer Kunststoff.The insulating bars can be formed simply and inexpensively as an extruded profile. From a thermal point of view, the material used is preferably a plastic, in the case of an extruded profile, preferably thermoplastic plastic.

Hinsichtlich des wärmegedämmten Profils ist es bevorzugt, wenn zwei Isolierstege vorgesehen sind und die Isolierstege eine durch ein, vorzugsweise geschäumtes, Isolationsmaterial ausgefüllte Isolationskammer definieren. Das Isolationsmaterial kann in die Isolationskammer eingeschoben und/oder am wenigstens einen Isoliersteg befestigt sein. Dadurch kann die Wärmedämmung des gesamten Profils verbessert werden. Aus konstruktiver Sicht und für eine schnellere und einfachere Montage bietet es sich an, wenn die beiden Isolierstege im Wesentlichen baugleich ausgebildet sind.With regard to the thermally insulated profile, it is preferred if two insulating webs are provided and the insulating webs define an insulation chamber filled with a, preferably foamed, insulating material. The insulation material can be pushed into the insulation chamber and / or attached to the at least one insulating web. This can improve the thermal insulation of the entire profile. From a structural point of view and for faster and simpler assembly, it is advisable if the two insulating webs are of essentially identical design.

Nachfolgend wird die Erfindung anhand einer lediglich Ausführungsbeispiele darstellenden Zeichnung näher erläutert. In der Zeichnung zeigt

Fig. 1
ein erfindungsgemäßes, wärmegedämmtes Profil in einem Längsschnitt in schematischer Darstellung,
Fig. 2
ein erstes Ausführungsbeispiel eines Isolierstegs in einem Querschnitt,
Fig. 3
ein zweites Ausführungsbeispiel eines Isolierstegs in einem Querschnitt,
Fig. 4
ein drittes Ausführungsbeispiel eines Isolierstegs in einem Querschnitt,
Fig. 5A-B
ein viertes Ausführungsbeispiel eines Isolierstegs in einem Querschnitt und
Fig. 6
Detaildarstellungen eines zweiten und dritten erfindungsgemäßen, wärmegedämmten Profils in einem Querschnitt.
The invention is explained in more detail below with the aid of a drawing which merely shows exemplary embodiments. In the drawing shows
Fig. 1
a thermally insulated profile according to the invention in a longitudinal section in a schematic representation,
Fig. 2
a first embodiment of an insulating bar in a cross section,
Fig. 3
a second embodiment of an insulating bar in a cross section,
Fig. 4
a third embodiment of an insulating bar in a cross section,
Figures 5A-B
a fourth embodiment of an insulating web in a cross section and
Fig. 6
Detailed representations of a second and third thermally insulated profile according to the invention in a cross section.

In der Fig. 1 ist schematisch ein wärmegedämmtes Profil 1 dargestellt, das zwei Profilelemente 2,3 umfasst, die über zwei äußere Isolierstege 5 miteinander verbunden sind. Die Profilelemente 2,3 können aus einem metallischen Werkstoff, vorzugsweise Aluminium, gebildet sein, während die Isolierstege 5 aus Kunststoff extrudierte Profile sein können. Die Profilelemente 2,3 weisen zu ihrer Verbindung mit den Isolierstegen 5 Nuten 6 auf, in die Anschlussleisten 7 der Isolierstege 5 eingebracht sind. Die Nuten 6 und Anschlussleisten 7 sind beim dargestellten und insoweit bevorzugten wärmegedämmten Profil 1 korrespondierend zueinander ausgebildet und vorliegendschwalbenschwanzförmig ausgebildet. Zudem bilden die Nuten 6 und die Isolierstege 5 einen ebenen äußeren Abschluss des wärmegedämmten Profils 1. Der dem von den Profilelementen 2,3 und den Isolierstegen 5 eingeschlossene Raum 8 ist wenigstens im Wesentlichen mit einem isolierenden Material 10 gefüllt. Vorzugsweise handelt es sich bei dem isolierenden Material 10 um einen geschäumten Kunststoff, insbesondere Polyurethan.In the Fig. 1 a thermally insulated profile 1 is shown schematically, which comprises two profile elements 2, 3 which are connected to one another via two outer insulating webs 5. The profile elements 2,3 can be made of a metallic material, preferably aluminum, while the insulating webs 5 can be profiles extruded from plastic. For their connection to the insulating webs 5, the profile elements 2, 3 have grooves 6 into which the connecting strips 7 of the insulating webs 5 are introduced. The grooves 6 and connection strips 7 in the illustrated and insofar preferred thermally insulated profile 1 are designed to correspond to one another and in the present case are dovetail-shaped. In addition, the grooves 6 and the insulating webs 5 form a flat outer end of the thermally insulated profile 1. The space 8 enclosed by the profile elements 2, 3 and the insulating webs 5 is at least substantially filled with an insulating material 10. The insulating material 10 is preferably a foamed plastic, in particular polyurethane.

In der Fig. 2 ist ein Isoliersteg 5 dargestellt, wie er bei dem in Fig. 1 dargestellten Profil 1 verwendet worden ist. Unmittelbar an die bereits beschriebenen Anschlussleisten 7, welche die einander gegenüberliegenden Enden des Isolierstegs 5 definieren, schließt sich jeweils ein Hohlkammerprofilabschnitt 11 an. Dabei teilt sich die Wandstärke der Anschlussleiste 7 auf, so dass zwei Wandelemente 12, 13 entstehen, die durch einen Spalt oder Hohlraum 14 voneinander beabstandet sind. Diese beiden Wandelemente 12, 13 laufen anfänglich, d. h. ausgehend von den Anschlussleisten 7 in einem Winkel von etwa 90° auseinander.In the Fig. 2 an insulating bar 5 is shown, as it is in the in Fig. 1 Profile 1 shown has been used. A hollow-chamber profile section 11 adjoins the connection strips 7 already described, which define the opposite ends of the insulating web 5. The wall thickness of the connection strip 7 is thereby divided, so that two wall elements 12, 13 are created which are spaced from one another by a gap or cavity 14. These two wall elements 12, 13 initially diverge, ie starting from the connection strips 7, at an angle of approximately 90 °.

Am anderen Ende jedes Hohlkammerprofilabschnitts 11 laufen die beiden Wandelemente 12, 13 wieder aufeinander zu, und zwar in einem Winkel von etwa 45°. Mit der Vereinigung der beiden Wandelemente 12, 13 geht gleichzeitig jeder Hohlkammerprofilabschnitt 11 in einen massiven Profilstababschnitt 15 ohne Hohlkammern über. Beim dargestellten und insoweit bevorzugten Isoliersteg 5 gehen beide Hohlkammerprofilabschnitte 11 in ein und denselben Profilstababschnitt 15 über, wobei jedoch vorzugsweise die Wandelemente 12, 13 gemeinsam einen flächenmäßig größeren Materialquerschnitt bezogen auf das Material des Isolierstegs 5 bereitstellen als der Profilstababschnitt 15.At the other end of each hollow chamber profile section 11, the two wall elements 12, 13 run towards one another again, specifically at an angle of approximately 45 °. With the union of the two wall elements 12, 13 everyone goes at the same time Hollow chamber profile section 11 into a solid profile bar section 15 without hollow chambers. In the illustrated and insofar preferred insulating web 5, both hollow chamber profile sections 11 merge into one and the same profile bar section 15, but preferably the wall elements 12, 13 together provide a larger material cross-section based on the material of the insulating web 5 than the profile bar section 15.

Der Profilstababschnitt 15 erstreckt sich ebenfalls in einer Richtung senkrecht zur Zeichenebene. In dem in der Fig. 2 dargestellten Querschnitt des Isolierstegs 5 hat der Profilstababschnitt 15 eine stabförmige Erscheinung. Der Profilstababschnitt 15 und die Hohlkammerprofilabschnitte 11 sind fluchtend zueinander ausgebildet und bilden eine gemeinsame äußere Ebene 16.The profile bar section 15 also extends in a direction perpendicular to the plane of the drawing. In the in the Fig. 2 The cross-section of the insulating web 5 shown, the profile rod section 15 has a rod-shaped appearance. The profile bar section 15 and the hollow chamber profile sections 11 are designed in alignment with one another and form a common outer plane 16.

Der Profilstabschnitt 15 erstreckt sich bei dem dargestellten und insoweit bevorzugten Isoliersteg 5 über etwa 30% der Länge des Isolierstegs 5, d. h. der Distanz der äußeren Enden der Anschlussleisten 7. Die beiden Holkammerprofilabschnitte 11 erstrecken sich jeweils über etwa 10% - 25% der Länge des Isolierstegs 5. Der verbleibende Teil des Isolierstegs 5 wird durch die Anschlussleisten 7 gebildet.In the illustrated and insofar preferred insulating web 5, the profiled section 15 extends over approximately 30% of the length of the insulating web 5, ie. H. the distance between the outer ends of the connecting strips 7. The two hollow chamber profile sections 11 each extend over approximately 10% -25% of the length of the insulating web 5. The remaining part of the insulating web 5 is formed by the connecting strips 7.

Der in der Fig. 3 dargestellte uns insoweit bevorzugte Isoliersteg 5' entspricht in einem grundsätzlichen Aufbau hinsichtlich der Anschlussleisten 7, der Hohlkammerprofilabschnitte 11 und dem Profilstababschnitt 15 des in der Fig. 2 dargestellten Isolierstegs 5. Ergänzend weist der Isoliersteg 5' jedoch noch sich einerseits vom Profilstababschnitt 15 und andererseits von einem der beiden Hohlkammerprofilabschnitte 11 nach außen weisende Funktionsprofilabschnitte 17,18 auf. Die Funktionsprofilabschnitte 17,18 tragen an ihren freien Enden Hakenabschnitte 19,20, um beispielsweise mit weiteren Profilbauteilen wechselwirken und/oder verbunden werden zu können.The Indian Fig. 3 The insulating web 5 'illustrated and preferred in this respect corresponds in a basic structure with regard to the connecting strips 7, the hollow chamber profile sections 11 and the profile bar section 15 of the in FIG Fig. 2 illustrated insulating web 5. In addition, the insulating web 5 ', however, on the one hand still points from the profile bar section 15 and on the other hand from one of the two Hollow chamber profile sections 11 functional profile sections 17, 18 pointing outwards. The functional profile sections 17, 18 have hook sections 19, 20 at their free ends, in order to be able to interact and / or be connected to other profile components, for example.

In der Fig. 4 ist ein Isoliersteg 5" dargestellt, dessen Anschlussleisten 7 den Anschlussleisten 7 der in den Fig. 2 und 3 dargestellten Isolierstege 5,5' entsprechen. Beim in der Fig. 4 dargestellten Isoliersteg 5" sind angrenzend an die Anschlussleisten 7 ebenso jeweils ein Hohlkammerprofilabschnitt 11',11" angeschlossen. Die Hohlkammerprofilabschnitte 11', 11'' sind jedoch unterschiedlich zueinander ausgebildet. Während der eine Hohlkammerprofilabschnitt 11' sich über etwa 20% - 30% der Länge des Isolierstegs erstreckt, erstreckt sich der andere Hohlkammerprofilabschnitt 11" über etwa 30% - 40% der Länge des Isolierstegs.In the Fig. 4 an insulating web 5 ″ is shown, the connection strips 7 of which correspond to the connection strips 7 in the Fig. 2 and 3 The insulating bars shown correspond to 5.5 '. When in the Fig. 4 The insulating webs 5 ″ shown are also each connected to a hollow chamber profile section 11 ′, 11 ″ adjacent to the connection strips 7. The hollow chamber profile sections 11 ′, 11 ″, however, are designed differently from one another. While one hollow chamber profile section 11 'extends over about 20% -30% of the length of the insulating web, the other hollow chamber profile section 11 ″ extends over about 30% -40% of the length of the insulating web.

Angrenzend zu den Anschlussleisten 7 bilden die Hohlkammerprofilabschnitte 11',11" jeweils zwei Wandelemente 12', 12", 13', 13", von denen sich jeweils eines etwa in Längsrichtung des Isolierstegs 5" erstreckt, während sich etwa in einem Winkel von 90° von dem einen Wandelement 13',13" zumindest anfänglich das jeweils andere Wandelement 12', 12" erstreckt. Am inneren Ende des jeweiligen Hohlkammerprofilabschnitts 11',11" sind die äußeren Wandelemente 12',12" fluchtend mit dem zwischen den Hohlkammerprofilabschnitten 11',11" vorgesehenen Profilstababschnitt 15' ausgerichtet. Die inneren Wandelemente 13',13" laufen in einem Winkel von etwa 45° auf diese gemeinsame Ebene 16' zu und gehen sodann in den Profilstababschnitt 15' über.Adjacent to the connection strips 7, the hollow chamber profile sections 11 ', 11 "each form two wall elements 12', 12", 13 ', 13 ", one of which each extends approximately in the longitudinal direction of the insulating web 5", while extending approximately at an angle of 90 ° at least initially the other wall element 12 ', 12 "extends from one wall element 13', 13". At the inner end of the respective hollow chamber profile section 11 ', 11 ", the outer wall elements 12', 12" are in alignment with that provided between the hollow chamber profile sections 11 ', 11 " Profile bar section 15 'aligned. The inner wall elements 13 ', 13 "run at an angle of approximately 45 ° towards this common plane 16' and then merge into the profile bar section 15 '.

Ein Wandelement 12" des in der Fig. 4 dargestellten und insoweit bevorzugten Isolierstegs 5" weist eine S-förmige Krümmung 21 auf. Es können aber auch keine oder mehrere S-förmige Krümmungen vorgesehen sein, die vorzugsweise mit weiteren Profilbauteilen korrespondieren.A wall element 12 "of the Fig. 4 The insulating web 5 ″ shown and insofar preferred has an S-shaped curvature 21. However, no or more S-shaped curvatures can also be provided, which preferably correspond to further profile components.

In den Fig. 5A und 5B ist ein Isoliersteg 5" dargestellt, bei dem es sich um eine Abwandlung des Isolierstegs 5 gemäß Fig. 2 handelt. Es wird daher lediglich auf die Unterschiede zu dem Isoliersteg 5 gemäß Fig. 2 eingegangen. Diese Merkmale könnten bedarfsweise auch an anderen Isolierstegen vorgesehen werden.In the Figures 5A and 5B an insulating web 5 ″ is shown, which is a modification of the insulating web 5 according to FIG Fig. 2 acts. It is therefore only the differences to the insulating web 5 according to FIG Fig. 2 received. If necessary, these features could also be provided on other insulating bars.

Bei dem Isoliersteg 5'" der Fig. 5A und 5B sind die Anschlussleisten 7' zweigeteilt ausgebildet, und zwar sind die Anschlussleisten 7' im Wesentlichen längs zum Isoliersteg 5'" zweigeteilt. Jedes der beiden Teile der Anschlussleisten 7' ist mit einem anderen Wandelement 12, 13 des jeweils angrenzenden Hohlkammerprofilabschnitts 11 verbunden. Auf diese Weise wird die Herstellung der Hohlräume 14 des Hohlkammerprofilabschnitte 11"' vereinfacht. Die Teilung der Anschlussleisten 7' kann bedarfsweise auch zum Ausgleich von durch Temperaturunterschiede entstehenden Spannungen beitragen.In the insulating bar 5 '"the Figures 5A and 5B the connection strips 7 'are designed in two parts, namely the connection strips 7' are essentially divided in two along the insulating web 5 '". Each of the two parts of the connection strips 7' is connected to another wall element 12, 13 of the respectively adjacent hollow chamber profile section 11 In this way, the production of the cavities 14 of the hollow chamber profile sections 11 "'is simplified. The division of the connection strips 7 'can, if necessary, also help to compensate for the stresses arising from temperature differences.

In der Fig. 6 sind Details von zwei über ein Dichtelement 22 miteinander verbundenen, wärmegedämmte Profile 1',1" dargestellt. Die beiden wärmegedämmten und insoweit bevorzugten Profile 1',1" weisen die bereits zuvor in den Fig. 2 bis 4 dargestellten und insoweit beschriebenen Isolierstege 5, 5', 5" auf.In the Fig. 6 details of two thermally insulated profiles 1 ', 1 "connected to one another via a sealing element 22 are shown. The two thermally insulated and insofar preferred profiles 1', 1" have those already shown in FIGS Figs. 2 to 4 illustrated and thus far described insulating bars 5, 5 ', 5 ".

Jedes der beiden wärmegedämmten Profile 1',1" umfassend zwei Profilelemente 2', 2", 3', 3" die über zwei Isolierstege 5, 5', 5" miteinander verbunden sind. Die Profilelemente 2',2",3',3" und die Isolierstege 5,5',5" schließen jeweils einen Raum 8',8" ein, die mit einem isolierenden Material 10' im Wesentlichen ausgefüllt ist. Die verwendeten Isolierstege 5,5',5" sind unterschiedlich ausgebildet. Ein äußerer Isoliersteg 5 bildet eine ebene, äußere Fläche, während andere Isolierstege 5' außenseitig Funktionsprofile 17, 18 tragen, die sich vom Isoliersteg 5' nach außen erstrecken und mit anderen Profilbauteilen zusammenwirken. An einem der Isolierstege 5' ist dementsprechend das Dichtungselement 22 festgelegt, welches abdichtend an dem anderen wärmegedämmten Profil 1" anliegt. Zur Bildung einer entsprechenden Dichtfläche weist der gegenüberliegende Isoliersteg 5" des anderen wärmegedämmten Profils 1" einen Absatz in Form einer S-förmigen gekrümmten Außenkontur 21 im Bereich eines der Hohlkammerprofilabschnitte 11" auf. Auch bei dem anderen, rechts dargestellten Profil 1" ist eine Wärmedämmung in dem von den beiden Isolierstegen 5',5" und den beiden entsprechenden Profilelementen 2",3" umschlossenen Raum 8" vorgesehen.Each of the two thermally insulated profiles 1 ', 1 "comprising two profile elements 2', 2", 3 ', 3 "which are connected to one another via two insulating webs 5, 5', 5". The profile elements 2 ', 2 ", 3', 3" and the insulating webs 5, 5 ', 5 "each enclose a space 8', 8" which is essentially filled with an insulating material 10 '. The insulating webs 5, 5 ', 5 "are designed differently. An outer insulating web 5 forms a flat, outer surface, while other insulating webs 5' carry functional profiles 17, 18 on the outside, which extend outward from insulating web 5 'and with other profile components Correspondingly, the sealing element 22 is fixed on one of the insulating webs 5 'and rests in a sealing manner on the other thermally insulated profile 1 ″. To form a corresponding sealing surface, the opposite insulating web 5 ″ of the other thermally insulated profile 1 ″ has a shoulder in the form of an S-shaped curved outer contour 21 in the area of one of the hollow chamber profile sections 11 ″. The other profile 1 ″ shown on the right is also a thermal insulation in the space 8 "enclosed by the two insulating webs 5 ', 5" and the two corresponding profile elements 2 ", 3".

Claims (15)

  1. Insulating web (5, 5', 5", 5"') for connecting two profile elements (2, 2', 2", 3, 3', 3") of a thermally insulated profile (1, 1', 1"), preferably of a window, a door, a gate and/or a facade, having at least two terminal connection strips (7) for connecting the insulating web (5, 5', 5") to the profile elements (2, 2', 2", 3, 3', 3"),
    wherein in addition at least one hollow chamber profile portion (11, 11', 11") and at least one solid profile rod portion (15, 15') are provided, wherein the at least one hollow chamber profile portion (11, 11', 11") is connected to a connection strip (7, 7'), wherein the hollow chamber profile portion (11, 11', 11") is connected to the profile rod portion (15, 15') and wherein the connection strips (7, 7') are connected to each other without alternative by means of the profile rod portion (15, 15'), wherein the at least one hollow chamber profile portion (11, 11', 11") tapers adjacent to the profile rod portion (15, 15') and in the direction of the profile rod portion (15, 15') at an angle of from 35° to 55°,
    characterised in that
    the hollow chamber profile portion (11, 11', 11") runs out at the angle of from 35° to 55° and thereby gradually merges into the profile rod portion (15, 15').
  2. Insulating web according to claim 1,
    characterised in that
    the at least two connection strips (7, 7') are connected in each case to a hollow chamber profile portion (11, 11', 11").
  3. Insulating web according to claim 1 or claim 2,
    characterised in that
    at least two hollow chamber profile portions (11, 11', 11"), preferably all the hollow chamber profile portions (11, 11', 11"), are connected to a, preferably the same, profile rod portion (15, 15').
  4. Insulating web according to any one of claims 1 to 3,
    characterised in that
    the profile rod portion (15, 15') extends at least over 20% of the length of the insulating web (5, 5', 5").
  5. Insulating web according to any one of claims 1 to 4,
    characterised in that
    the hollow chamber profile portion (11, 11', 11') extends over less than 40%, preferably less than 30%, more preferably less than 20% of the length of the insulating web (5, 5', 5", 5"').
  6. Insulating web according to any one of claims 1 to 5,
    characterised in that
    the hollow chamber profile portion (11, 11', 11") is arranged on the first half of the length of the insulating web (5, 5', 5", 5"').
  7. Insulating web according to any one of claims 1 to 6,
    characterised in that
    the at least one hollow chamber profile portion (11, 11', 11") tapers adjacent to the profile rod portion (15, 15') at an angle of approximately 45°.
  8. Insulating web according to any one of claims 1 to 7,
    characterised in that
    the at least one hollow chamber profile portion (11, 11', 11") widens adjacent to the respective connection strip (7) at an angle between 70° and 110°, preferably between 85° and 95°, in particular approximately 90°.
  9. Insulating web according to any one of claims 1 to 8,
    characterised in that
    the profile rod portion (15, 15') is arranged in a laterally offset manner with respect to a connecting straight line between the two connection strips (7, 7').
  10. Insulating web according to any one of claims 1 to 9,
    characterised in that
    at least one hollow chamber profile portion (11) and/or at least one profile rod portion (15) has a functional profile portion (17, 18) which preferably extends laterally with respect to the remaining insulating web (5').
  11. Insulating web according to any one of claims 1 to 10,
    characterised in that
    the connection strips (7, 7') have a, preferably dovetail-like, expansion for securing in a groove (6) of a profile element (2, 2', 2", 3, 3', 3").
  12. Insulating web according to any one of claims 1 to 11,
    characterised in that
    at least one connection strip (7, 7') is constructed in two pieces and in that the two pieces of the connection strip are each connected to one of opposing wall elements (12, 13) of the hollow chamber profile portion (11, 11', 11").
  13. Insulating web according to any one of claims 1 to 12,
    characterised in that
    the insulating webs (5, 5', 5", 5"') are formed by means of an extruded profile, preferably comprising a thermoplastic plastics material.
  14. Thermally insulated profile (1, 1', 1"), preferably of a window, a door, a gate and/or a facade, comprising two profile elements (2, 2', 2", 3, 3', 3"), an insulating material (10, 10') which is provided between the two profile elements (2, 3) and at least one insulating web (5, 5', 5", 5'") which is connected at opposing ends to the two profiles (2, 3),
    characterised in that
    the insulating web (5, 5', 5", 5'") is an insulating web (5, 5', 5", 5'") according to any one of claims 1 to 13.
  15. Thermally insulated profile according to claim 14,
    characterised in that
    two insulating webs (5, 5', 5", 5''') are provided and in that the preferably structurally identical insulating webs (5, 5', 5", 5"') define a space (8, 8', 8") which is, preferably substantially, filled by an insulating material (10, 10').
EP12190325.6A 2011-10-28 2012-10-29 Insulating bar and heat insulated profile Active EP2586953B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011117170A DE102011117170A1 (en) 2011-10-28 2011-10-28 Insulating bridge and thermally insulated profile

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EP2586953A2 EP2586953A2 (en) 2013-05-01
EP2586953A3 EP2586953A3 (en) 2016-06-15
EP2586953B1 true EP2586953B1 (en) 2020-11-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012010900B4 (en) * 2012-06-01 2023-07-27 Technoform Bautec Holding Gmbh Composite profile for window, door or facade elements and insulating bar for such a composite profile
CN110714691A (en) * 2019-10-22 2020-01-21 英普瑞科技（嘉兴）有限公司 Three-cavity heat insulation steel section door and window structure
DE102022120797A1 (en) 2022-08-17 2024-02-22 Heroal - Johann Henkenjohann Gmbh & Co. Kg Insulating web for connecting two profile elements to produce a thermally insulated profile and such a profile
DE102022120800A1 (en) 2022-08-17 2024-02-22 Heroal - Johann Henkenjohann Gmbh & Co. Kg Thermally insulated metal profile with insulating bars for connecting two profile elements and bridge bars for connecting two insulating bars

Citations (2)

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Publication number Priority date Publication date Assignee Title
DE20219196U1 (en) * 2002-12-11 2004-05-06 Henkenjohann, Johann Thermally insulated metal profile, especially for facades, doors and windows
EP2116685A2 (en) * 2008-05-08 2009-11-11 Norsk Hydro Asa Heat insulated window, door or such like

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DE3221218A1 (en) * 1982-06-04 1983-12-08 Helmar Dr.Dr. 8530 Neustadt Nahr Profiled body
DE8808116U1 (en) * 1988-06-23 1989-10-26 Metallbau Koller AG, Muttenz Thermally insulated composite profile for windows etc.
DE29621419U1 (en) * 1995-12-13 1997-02-27 W. Hartmann & Co (Gmbh & Co), 20459 Hamburg Insulated composite profile
DE29704201U1 (en) * 1996-03-13 1997-06-26 W. Hartmann & Co (Gmbh & Co), 20459 Hamburg Insulated composite profile
DE10121428A1 (en) * 2001-05-02 2002-11-07 Wilfried Ensinger Hollow plastic profile and process for its manufacture
ES2655640T3 (en) * 2010-02-10 2018-02-21 Kawneer Aluminium Deutschland Inc. Profile Layout

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Publication number Priority date Publication date Assignee Title
DE20219196U1 (en) * 2002-12-11 2004-05-06 Henkenjohann, Johann Thermally insulated metal profile, especially for facades, doors and windows
EP2116685A2 (en) * 2008-05-08 2009-11-11 Norsk Hydro Asa Heat insulated window, door or such like

Also Published As

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DE202011110284U1 (en) 2013-05-28
EP2586953A2 (en) 2013-05-01
EP2586953A3 (en) 2016-06-15

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