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EP0957226A1 - Compound section member for doors, windows, facades or the like, IR-reflective film especially adapted for this section member and the use of this film in the compound section member - Google Patents

Compound section member for doors, windows, facades or the like, IR-reflective film especially adapted for this section member and the use of this film in the compound section member Download PDF

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Publication number
EP0957226A1
EP0957226A1 EP98108792A EP98108792A EP0957226A1 EP 0957226 A1 EP0957226 A1 EP 0957226A1 EP 98108792 A EP98108792 A EP 98108792A EP 98108792 A EP98108792 A EP 98108792A EP 0957226 A1 EP0957226 A1 EP 0957226A1
Authority
EP
European Patent Office
Prior art keywords
profile
metal
reflection film
web
layer
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.)
Withdrawn
Application number
EP98108792A
Other languages
German (de)
French (fr)
Inventor
Erwin Brunnhofer
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.)
Technoform Caprano and Brunnhofer GmbH and Co KG
Original Assignee
Technoform Caprano and Brunnhofer GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Technoform Caprano and Brunnhofer GmbH and Co KG filed Critical Technoform Caprano and Brunnhofer GmbH and Co KG
Priority to EP98108792A priority Critical patent/EP0957226A1/en
Priority to DE29810183U priority patent/DE29810183U1/en
Priority to JP10168722A priority patent/JP2948809B1/en
Priority to US09/102,460 priority patent/US6035596A/en
Publication of EP0957226A1 publication Critical patent/EP0957226A1/en
Withdrawn legal-status Critical Current

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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
    • E06B3/26303—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
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26321—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section with additional prefab insulating materials in the hollow space
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26323—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section with coatings reducing the radiation
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26325—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space
    • E06B2003/26327—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space with separate thin walled inserts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26325—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space
    • E06B2003/2633—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section the convection or radiation in a hollow space being reduced, e.g. by subdividing the hollow space the insulating strips between the metal sections having ribs extending into the hollow space
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S49/00—Movable or removable closures
    • Y10S49/01—Thermal breaks for frames

Definitions

  • the invention first relates to a composite profile for Frames of windows, doors, facade elements and the like, with a warm and a cold metal profile, esp Aluminum, and two of these metal profiles to form one Hollow chamber connecting insulating plastic profiles, wherein at least one of these two insulating plastic profiles one in the hollow chamber close to the other Has insulating plastic profile extending profile web and the profile web at least on the warm one Side facing metal profile an IR reflection layer assigned.
  • the invention also relates to a IR reflection film, in particular for the aforementioned Composite profile is suitable, and the use of IR reflection film in a composite profile of the above Art.
  • warm and cold make up the scope of the invention a statement about the temperature of the two metal profiles.
  • warm metal profile hence the internal metal profile and the cold one Metal profile the metal profile on the outside.
  • hot Regions where to prevent heating of air-conditioned interiors the situation is reversed.
  • IR reflective foils from a metal layer between Plastic films are also known (EP 0 807 833 A2), but not for use with composite profiles at the beginning mentioned type. In fact, these are known IR reflective tapes for the stated purpose unsuitable because they also have the required surface treatments the composite profiles have not grown.
  • the invention has for its object one Composite profile of the type mentioned at the outset without enlargement the dimensioning to an improved insulation effect give.
  • the solution to this problem according to the invention consists in that the IR reflection layer on a spanned IR reflective tape is provided which apart from Ridge area of the profile web at a distance from the profile web is arranged.
  • the invention is based on the knowledge that the Arrangement, the IR reflection layer is no longer immediate on the surface of the profile web (s) of the insulating plastic profiles, but at a distance from Profile web extending stretched IR reflection film an improvement in the insulation effect that Surprisingly, far above the expected level goes out. Reductions in the K value are up to 40% possible.
  • the profile web in the third of the Hollow chamber is arranged.
  • the other Insulating plastic profile into the hollow chamber extending profile web one becomes this profile web then advantageously in the cold metal profile Arrange the facing third of the hollow chamber.
  • the IR reflective tape at an average distance of more than 1 mm from the assigned side of the profile web is.
  • the improved insulation effect given on the other hand it is reliably ensured that Liquids from pre-treatment measures completely can be emptied and flushed and therefore none Bad carry-over occurs.
  • the ridge area of the profile web can be designed as a clamping groove, it can but also be provided with a round bead over which the IR reflection film is deflected.
  • An IR reflective tape for the purpose mentioned should have a sufficiently high IR reflection efficiency, a sufficiently high chemical resistance as well Temperature resistance for surface treatments Metal profiles, a high aging resistance and a low thermal conductivity in the longitudinal or transverse direction of the film exhibit. These demands are generally met by those fulfilled according to the principle of multiple reflection (US 5 103 333) or preferably according to the principle of metal vapor deposition Decorative films are built.
  • An IR reflective tape especially for the previous Composite profile described, also for measures to Preventing or reducing heat transfer by IR radiation in general, e.g. B. is suitable in the construction sector, is characterized by a thermal conductivity in the Foil level from 0.2 to 0.4 W / mK.
  • IR reflection foils with a 20 to 50 nm thick
  • Metal or metal oxide layer between two 10 to each 50 ⁇ m thick polymer films made of fluoropolymer, polyester or polyolefin.
  • the metal or metal oxide layer is made preferably made of aluminum, copper or tin oxide.
  • the metal or Metal oxide layer and the adhesive layer can be another Protective lacquer layer to be interposed, in particular consists of nitrocellulose and a thickness of 2 to 4 ⁇ m having.
  • a virgin shrinkage of the IR reflective tape of at least 5%, preferably at least 10% to work at 100 ° C because so it is ensured that the IR reflection film in the course of Pretreatments of the composite profile in the heat without wrinkles remains.
  • the composite profiles shown in FIGS. 1 to 4 are for frames of windows, doors, facade elements and The like determines and exist in their basic Structure made of a warm or inner metal profile 1 Aluminum, a cold or outer metal profile 2 Aluminum and two, these metal profiles 1, 2 under formation a hollow chamber 3 connecting insulating plastic profiles 4, 5.
  • the latter have, as usual, dovetail-shaped Ends 6, which from or in assigned receiving grooves 7 the metal profiles are held.
  • This Profile web 8 is on the warm metal profile 1 facing side a stretched IR reflection film 9 associated with an IR reflection layer that apart from the ridge area of the profile web 8 at a distance from Profile web 8 is arranged. This will set up causes the longitudinal edges of the IR reflection film 9 with Help of plastic cords pressed into clamping grooves 11 12 fixed, the one clamping groove 11 on the base web 13 of the Insulating plastic profile 4 and the other clamping groove 11 on appropriately designed ridge area of the profile web 8 is provided.
  • the embodiment of FIG. 2 differs from that 1 in that the IR reflection film 9 over the formed as a round bead 14 ridge area of the Deflected profile web 8 and from there into the second, also on the base web 13 of the insulating plastic profile 4 provided clamping groove 11 with subsequently for fixing pressed plastic cord is guided.
  • the 3 is the other Insulating plastic profile 5 with such a profile web 8 and, as in FIG. 2, spanned over it IR reflective film 9 equipped.
  • the embodiment according to 4 is finally with a total of three profile webs 8th equipped, the only profile web 8 of one Insulating plastic profile 4 between the two profile webs 8 of the other insulating plastic profile 5. Only a single IR reflection film 9 is provided alternately on the round beads 14 of the profile webs 8 deflected and on its longitudinal edges as in the Embodiment according to FIG. 2 is fixed and clamped.
  • the structure of the IR reflection film 9 as follows: On the outside there is a 10 to 50 ⁇ m polymer film 15 or 19 made of fluoropolymer (e.g. FEP), polyester (e.g. PET or PEN) or polyolefin (e.g. PP, PE, PMP or Cycloolefin copolymer from Hoechst). Between these the two polymer films 15, 19 are 20 to 50 nm strong metal layer 16 (e.g. aluminum or copper) or Metal oxide (e.g. tin oxide).
  • fluoropolymer e.g. FEP
  • polyester e.g. PET or PEN
  • polyolefin e.g. PP, PE, PMP or Cycloolefin copolymer from Hoechst
  • 20 to 50 nm strong metal layer 16 e.g. aluminum or copper
  • Metal oxide e.g. tin oxide
  • This metal or Metal oxide layer 16 is on one polymer film 15 evaporated or sputtered, the other polymer film 19 is made with the help of a 2 to 3 ⁇ m thick adhesive layer 18 a two-component system based on polyurethane on the Laminated metal or metal oxide layer 16.
  • the in the embodiments of FIGS. 1 to 4th IR reflection film 9 used has a virgin Shrinkage capacity of at least 5%, better 10%, at 100 ° C so that the IR reflection film 9 in the finished Product is wrinkle free.
  • Fig. 7 shows a window made of frame 20 and sash 21, frame frame 20 and sash 22 from one Composite profile according to FIG. 3 are constructed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Special Wing (AREA)
  • Optical Filters (AREA)
  • Greenhouses (AREA)
  • Thermal Insulation (AREA)

Abstract

The IR reflector layer carried by one of the plastic insulating profiles (4, 5) between the warm and cold metal profiles (1,2) takes the form of a stretched IR reflector foil (9) positioned so that it does not contact the fin (8) of the plastic profile (4) except at the fin edge.

Description

Die Erfindung betrifft zunächst ein Verbundprofil für Rahmen von Fenstern, Türen, Fassadenelementen und dergl., mit einem warmen und einem kalten Metallprofil, insbes. aus Aluminium, und zwei diese Metallprofile unter Bildung einer Hohlkammer verbindenden Isolierkunststoffprofilen, wobei zumindest eines dieser beiden Isolierkunststoffprofile einen sich in die Hohlkammer bis in die Nähe des anderen Isolierkunststoffprofils erstreckenden Profilsteg aufweist und dem Profilsteg zumindest auf der dem warmen Metallprofil zugewandten Seite eine IR-Reflexionsschicht zugeordnet ist. Außerdem betrifft die Erfindung eine IR-Reflexionsfolie, die insbes. für das vorgenannte Verbundprofil geeignet ist, und die Verwendung der IR-Reflexionsfolie bei einem Verbundprofil der genannten Art.The invention first relates to a composite profile for Frames of windows, doors, facade elements and the like, with a warm and a cold metal profile, esp Aluminum, and two of these metal profiles to form one Hollow chamber connecting insulating plastic profiles, wherein at least one of these two insulating plastic profiles one in the hollow chamber close to the other Has insulating plastic profile extending profile web and the profile web at least on the warm one Side facing metal profile an IR reflection layer assigned. The invention also relates to a IR reflection film, in particular for the aforementioned Composite profile is suitable, and the use of IR reflection film in a composite profile of the above Art.

Die Begriffe "warm" und "kalt" machen im Rahmen der Erfindung eine Aussage über die Temperatur der beiden Metallprofile. Zu kälteren Breitengraden, wo es darauf ankommt, den Wärmefluß von warmen Innenräumen zum kalten Außenbereich zu reduzieren, ist das warme Metallprofil mithin das innen angeordnete Metallprofil und das kalte Metallprofil das außen angeordnete Metallprofil. In heißen Regionen, wo ein Erwärmen klimatisierter Innenräume zu verhindern ist, liegen die Verhältnisse umgekehrt.The terms "warm" and "cold" make up the scope of the invention a statement about the temperature of the two metal profiles. To colder latitudes where it matters the heat flow from warm interiors to cold ones Reducing the outside area is the warm metal profile hence the internal metal profile and the cold one Metal profile the metal profile on the outside. In hot Regions where to prevent heating of air-conditioned interiors the situation is reversed.

Bei einem bekannten Verbundprofil der genannten Art (DE 94 11 396 U1), bei dem die Isolierkunststoffprofile - wie bei solchen Verbundprofilen im allgemeinen üblich - mit ihren schwalbenschwanzförmig ausgebildeten Enden von zugeordneten Aufnahmenuten der beiden Metallprofile gehalten sind, sind die Profilstege mit einer durch Koextrusion aufgebrachten, IR-reflektierenden Beschichtung mit eingelagerten, parallel zur Beschichtungsoberfläche ausgerichteten plättchenförmigen Interferenzpigmenten, z. B. von mit einer Metalloxidschicht definierter Dicke umhüllten Glimmerplättchen, versehen. Die aus der Beschichtung resultierende Verbesserung der Isolationswirkung durch Reduzierung der Wärmeübertragung zufolge Wärmestrahlung mag unmittelbar nach dem Aufbringen der Beschichtung gegeben sein, läßt aber, wie die Praxis zeigt, mit zunehmendem Alter der Beschichtung verhältnismäßig schnell nach. Hinzu kommt, daß mit solchen Beschichtungen Oberflächenbehandlungen, wie Eloxieren der Aluminiumprofile oder Einbrennlackieren, nach dem Zusammensetzen des Verbundprofils nicht mehr sinnvoll sind, da diese Oberflächenbehandlungen die IR-reflektierende Beschichtung angreifen und zerstören. Alles das dürfte auch der Grund dafür sein, daß die beschriebenen bekannten Verbundprofile in der Praxis bisher keinen Eingang gefunden haben.In a known composite profile of the type mentioned (DE 94 11 396 U1), in which the insulating plastic profiles - as is common with such composite profiles - with their dovetailed ends from assigned grooves of the two metal profiles are held, the profile webs with a through Coextrusion applied IR reflective coating with embedded, parallel to the coating surface aligned platelet-shaped interference pigments, e.g. B. of a defined thickness with a metal oxide layer coated mica platelets. The one from the Coating resulting improvement in insulation by reducing heat transfer Heat radiation may appear immediately after the application Coating, but, as practice shows, proportionate with increasing age of the coating quickly after. Add to that that with such coatings Surface treatments, such as anodizing the aluminum profiles or stove enamelling, after assembling the Composite profile are no longer useful, as this Surface treatments the IR reflective coating attack and destroy. All of that should be the reason be sure that the known composite profiles described have so far found no input.

IR-Reflexionsfolien aus einer Metallschicht zwischen Kunststoffolien sind zwar auch bekannt (EP 0 807 833 A2), aber nicht zur Verwendung bei Verbundprofilen der eingangs genannten Art. Tatsächlich sind diese bekannten IR-Reflexionsfolien für den genannten Einsatzzweck ungeeignet, weil auch sie den erforderlichen Oberflächenbehandlungen der Verbundprofile nicht gewachsen sind. IR reflective foils from a metal layer between Plastic films are also known (EP 0 807 833 A2), but not for use with composite profiles at the beginning mentioned type. In fact, these are known IR reflective tapes for the stated purpose unsuitable because they also have the required surface treatments the composite profiles have not grown.

Der Erfindung liegt die Aufgabe zugrunde, einem Verbundprofil der eingangs genannten Art ohne Vergrößerung der Dimensionierung eine verbesserte Isolationswirkung zu geben.The invention has for its object one Composite profile of the type mentioned at the outset without enlargement the dimensioning to an improved insulation effect give.

Die erfindungsgemäße Lösung dieser Aufgabe besteht darin, daß die IR-Reflexionsschicht an einer aufgespannten IR-Reflexionsfolie vorgesehen ist, die abgesehen vom Firstbereich des Profilsteges mit Abstand vom Profilsteg angeordnet ist.The solution to this problem according to the invention consists in that the IR reflection layer on a spanned IR reflective tape is provided which apart from Ridge area of the profile web at a distance from the profile web is arranged.

Die Erfindung geht hierbei von der Erkenntnis aus, daß die Anordnung, die IR-Reflexionsschicht nicht mehr unmittelbar auf der Oberfläche des bzw. der Profilstege der Isolierkunststoffprofile, sondern an einer mit Abstand vom Profilsteg verlaufenden aufgespannten IR-Reflexionsfolie eine Verbesserung der Isolationswirkung bewirkt, die überraschenderweise weit über das zu erwartende Maß hinausgeht. Reduzierungen des K-Wertes bis zu 40 % sind möglich.The invention is based on the knowledge that the Arrangement, the IR reflection layer is no longer immediate on the surface of the profile web (s) of the insulating plastic profiles, but at a distance from Profile web extending stretched IR reflection film an improvement in the insulation effect that Surprisingly, far above the expected level goes out. Reductions in the K value are up to 40% possible.

Für die weitere Ausgestaltung bestehen im Rahmen der Erfindung mehrere Möglichkeiten. So ist nach einer bevorzugten Ausführungsform vorgesehen, daß der Profilsteg in dem dem warmen Metallprofil zugewandten Drittel der Hohlkammer angeordnet ist. Weist auch das andere Isolierkunststoffprofil einen sich in die Hohlkammer erstreckenden Profilsteg auf, wird man diesen Profilsteg dann vorteilhafterweise in dem dem kalten Metallprofil zugewandten Drittel der Hohlkammer anordnen. Als besonders günstig hat es sich herausgestellt, wenn die IR-Reflexionsfolie in einem mittleren Abstand von mehr als 1 mm von der zugeordneten Seite des Profilsteges angeordnet ist. Einerseits ist dann die verbesserte Isolationswirkung gegeben, andererseits ist zuverlässig sichergestellt, daß Flüssigkeiten von Vorbehandlungsmaßnahmen vollständig entleert sowie gespült werden können und somit keine Badverschleppungen auftreten. Günstig ist es auch, wenn die IR-Reflexionsfolie mit Hilfe von in Klemmnuten eingepreßten Kunststoffschnüren fixiert und aufgespannt ist, weil auf diese Weise auch sichergestellt werden kann, daß weder im Zuge einer Vorbehandlung der Verbundprofile noch mit fortschreitendem Alter eine Delamination der IR-Reflexionsfolie auftritt. Dabei kann der Firstbereich des Profilsteges als Klemmnut ausgebildet sein, er kann aber auch mit einer Rundwulst versehen sein, über den die IR-Reflexionsfolie umgelenkt ist.For further development there are within the Invention several ways. So after one preferred embodiment provided that the profile web in the third of the Hollow chamber is arranged. Also knows the other Insulating plastic profile into the hollow chamber extending profile web, one becomes this profile web then advantageously in the cold metal profile Arrange the facing third of the hollow chamber. As special It turned out to be favorable if the IR reflective tape at an average distance of more than 1 mm from the assigned side of the profile web is. On the one hand there is the improved insulation effect given, on the other hand it is reliably ensured that Liquids from pre-treatment measures completely can be emptied and flushed and therefore none Bad carry-over occurs. It is also favorable if the IR reflective tape with the help of pressed into clamping grooves Plastic cords is fixed and stretched because on this way it can also be ensured that neither in In the course of a pretreatment of the composite profiles progressive age a delamination of the IR reflective tape occurs. The ridge area of the profile web can be designed as a clamping groove, it can but also be provided with a round bead over which the IR reflection film is deflected.

Eine IR-Reflexionsfolie für den genannten Einsatzzweck sollte einen ausreichend hohen IR-Reflexionswirkungsgrad, eine genügend hohe chemische Beständigkeit sowie Temperaturbeständigkeit für Oberflächenbehandlungen der Metallprofile, eine hohe Alterungsbeständigkeit und eine niedrige Wärmeleitfähigkeit in Folienlängs- bzw. -querrichtung aufweisen. Diese Forderungen werden im allgemeinen von solchen erfüllt, die nach dem Prinzip der Vielfachreflexion (US 5 103 333) oder bevorzugt nach dem Prinzip der metallbedampften Dekorfolien aufgebaut sind.An IR reflective tape for the purpose mentioned should have a sufficiently high IR reflection efficiency, a sufficiently high chemical resistance as well Temperature resistance for surface treatments Metal profiles, a high aging resistance and a low thermal conductivity in the longitudinal or transverse direction of the film exhibit. These demands are generally met by those fulfilled according to the principle of multiple reflection (US 5 103 333) or preferably according to the principle of metal vapor deposition Decorative films are built.

Eine IR-Reflexionsfolie, die insbes. für das zuvor beschriebene Verbundprofil, auch für Maßnahmen zum Verhindern bzw. Vermindern der Wärmeübertragung durch IR-Strahlung im allgemeinen, z. B. im Baubereich geeignet ist, ist gekennzeichnet durch eine Wärmeleitfähigkeit in der Folienebene von 0,2 bis 0,4 W/mK. Besonders geeignet sind insoweit IR-Reflexionsfolien mit einer 20 bis 50 nm starken Metall- oder Metalloxidschicht zwischen zwei jeweils 10 bis 50 µm starken Polymerfilmen aus Fluorpolymer, Polyester oder Polyolefin. Die Metall- oder Metalloxidschicht besteht vorzugsweise aus Aluminium, Kupfer oder Zinnoxid. Als Polymerfilme haben sich solche aus Tetrafluoräthylen-Hexafluorpropen-Copolymer (FEP), Polyäthylenterephthalat (PET), Polyethylennaphthalat, Polypropylen (PP), Polyäthylen (PE), Polymethylpenthen (PMP) oder Cycloolefincopolymer als besonders günstig herausgestellt. Im einzelnen ist es zweckmäßig, wenn die Metall- oder Metalloxidschicht auf den einen Polymerfilm aufgedampft oder aufgesputtert und der andere Polymerfilm mit Hilfe einer Klebeschicht auf die Metall- oder Metalloxidschicht aufkaschiert ist. Vorteilhafterweise besteht die Klebeschicht aus einem Zweikomponentensystem auf Basis Polyurethan in einer Stärke von 2 bis 3 µm. Der Metall- oder Metalloxidschicht und der Klebeschicht kann noch eine Schutzlackschicht zwischengeschaltet sein, die insbesondere aus Nitrozellulose besteht und eine Stärke von 2 bis 4 µm aufweist. Bei Verwendung der IR-Reflexionsfolie bei einem erfindungsgemäßen Verbundprofil empfiehlt es sich, mit einem jungfräulichen Schrumpfungsvermögen der IR-Reflexionsfolie von mindestens 5 %, vorzugsweise mindestens 10 %, bei 100 °C zu arbeiten, weil so sichergestellt ist, daß die IR-Reflexionsfolie im Zuge von Vorbehandlungen des Verbundprofils in der Wärme faltenfrei bleibt. An IR reflective tape, especially for the previous Composite profile described, also for measures to Preventing or reducing heat transfer by IR radiation in general, e.g. B. is suitable in the construction sector, is characterized by a thermal conductivity in the Foil level from 0.2 to 0.4 W / mK. Are particularly suitable insofar as IR reflection foils with a 20 to 50 nm thick Metal or metal oxide layer between two 10 to each 50 µm thick polymer films made of fluoropolymer, polyester or polyolefin. The metal or metal oxide layer is made preferably made of aluminum, copper or tin oxide. As Polymer films have been made from tetrafluoroethylene-hexafluoropropene copolymer (FEP), polyethylene terephthalate (PET), polyethylene naphthalate, polypropylene (PP), Polyethylene (PE), Polymethylpenthen (PMP) or Cycloolefin copolymer was found to be particularly favorable. In particular, it is useful if the metal or Metal oxide layer evaporated onto a polymer film or sputtered on and the other polymer film with the help an adhesive layer on the metal or metal oxide layer is laminated. Advantageously, there is Adhesive layer based on a two-component system Polyurethane in a thickness of 2 to 3 µm. The metal or Metal oxide layer and the adhesive layer can be another Protective lacquer layer to be interposed, in particular consists of nitrocellulose and a thickness of 2 to 4 µm having. When using the IR reflective tape with a composite profile according to the invention, it is recommended with a virgin shrinkage of the IR reflective tape of at least 5%, preferably at least 10% to work at 100 ° C because so it is ensured that the IR reflection film in the course of Pretreatments of the composite profile in the heat without wrinkles remains.

Im folgenden wird die Erfindung anhand von Ausführungsbeispielen näher erläutert. Es zeigen

Fig. 1 bis 4
jeweils einen Querschnitt durch einen Teil einer Ausführungsform eines Verbundprofils und
Fig. 5 sowie 6
jeweils einen Querschnitt durch eine IR-Reflexionsfolie und
Fig. 7
einen Querschnitt durch ein Fenster.
The invention is explained in more detail below on the basis of exemplary embodiments. Show it
1 to 4
in each case a cross section through part of an embodiment of a composite profile and
5 and 6
each have a cross section through an IR reflection film and
Fig. 7
a cross section through a window.

Die in den Fig. 1 bis 4 dargestellten Verbundprofile sind für Rahmen von Fenstern, Türen, Fassadenelementen und dergl. bestimmt und bestehen in ihrem grundsätzlichen Aufbau aus einem warmen bzw. inneren Metallprofil 1 aus Aluminium, einem kalten bzw. äußeren Metallprofil 2 aus Aluminium und zwei, diese Metallprofile 1, 2 unter Bildung einer Hohlkammer 3 verbindenden Isolierkunststoffprofilen 4, 5. Letztere weisen wie üblich schwalbenschwanzförmige Enden 6 auf, die von bzw. in zugeordneten Aufnahmenuten 7 der Metallprofile gehalten sind.The composite profiles shown in FIGS. 1 to 4 are for frames of windows, doors, facade elements and The like determines and exist in their basic Structure made of a warm or inner metal profile 1 Aluminum, a cold or outer metal profile 2 Aluminum and two, these metal profiles 1, 2 under formation a hollow chamber 3 connecting insulating plastic profiles 4, 5. The latter have, as usual, dovetail-shaped Ends 6, which from or in assigned receiving grooves 7 the metal profiles are held.

Bei der Ausführungsform nach Fig. 1 weist das eine Isolierkunststoffprofil 4 einen sich in die Hohlkammer 3 bis in die Nähe des anderen Isolierkunststoffprofils 5 erstreckenden, integrierten Profilsteg 8 auf. Diesem Profilsteg 8 ist auf der dem warmen Metallprofil 1 zugewandten Seite eine aufgespannte IR-Reflexionsfolie 9 mit einer IR-Reflexionsschicht zugeordnet, die abgesehen vom Firstbereich des Profilsteges 8 mit Abstand vom Profilsteg 8 angeordnet ist. Die Aufspannung wird dadurch bewirkt, daß die Längsränder der IR-Reflexionsfolie 9 mit Hilfe von in Klemmnuten 11 eingepreßten Kunststoffschnüren 12 fixiert, wobei die eine Klemmnut 11 am Basissteg 13 des Isolierkunststoffprofils 4 und die andere Klemnut 11 am entsprechend ausgebildeten Firstbereich des Profilsteges 8 vorgesehen ist.1 has one Insulating plastic profile 4 into the hollow chamber 3 up to the vicinity of the other insulating plastic profile 5 extending, integrated profile web 8. This Profile web 8 is on the warm metal profile 1 facing side a stretched IR reflection film 9 associated with an IR reflection layer that apart from the ridge area of the profile web 8 at a distance from Profile web 8 is arranged. This will set up causes the longitudinal edges of the IR reflection film 9 with Help of plastic cords pressed into clamping grooves 11 12 fixed, the one clamping groove 11 on the base web 13 of the Insulating plastic profile 4 and the other clamping groove 11 on appropriately designed ridge area of the profile web 8 is provided.

Die Ausführungsform nach Fig. 2 unterscheidet sich von der nach Fig. 1 dadurch, daß die IR-Reflexionsfolie 9 über den als Rundwulst 14 ausgebildeten Firstbereich des Profilsteges 8 umgelenkt und von dort in die zweite, ebenfalls am Basissteg 13 des Isolierkunststoffprofils 4 vorgesehenen Klemmnut 11 mit anschließend zwecks Fixierung eingepreßter Kunststoffschnur geführt ist. Bei der Ausführungsform nach Fig. 3 ist auch das andere Isolierkunststoffprofil 5 mit einem solchen Profilsteg 8 und wie bei Fig. 2 darüber geführter aufgespannter IR-Reflexionsfolie 9 ausgerüstet. Die Ausführungsform nach Fig. 4 schließlich ist mit insgesamt drei Profilstegen 8 ausgerüstet, wobei der einzige Profilsteg 8 des einen Isolierkunststoffprofils 4 zwischen den beiden Profilstegen 8 des anderen Isolierkunststoffprofils 5 einfaßt. Vorgesehen ist nur eine einzige IR-Reflexionsfolie 9, die abwechselnd an den Rundwulsten 14 der Profilstege 8 umgelenkt und an ihren Längsrändern wie bei der Ausführungsform nach Fig. 2 fixiert und aufgespannt ist.The embodiment of FIG. 2 differs from that 1 in that the IR reflection film 9 over the formed as a round bead 14 ridge area of the Deflected profile web 8 and from there into the second, also on the base web 13 of the insulating plastic profile 4 provided clamping groove 11 with subsequently for fixing pressed plastic cord is guided. In the 3 is the other Insulating plastic profile 5 with such a profile web 8 and, as in FIG. 2, spanned over it IR reflective film 9 equipped. The embodiment according to 4 is finally with a total of three profile webs 8th equipped, the only profile web 8 of one Insulating plastic profile 4 between the two profile webs 8 of the other insulating plastic profile 5. Only a single IR reflection film 9 is provided alternately on the round beads 14 of the profile webs 8 deflected and on its longitudinal edges as in the Embodiment according to FIG. 2 is fixed and clamped.

Allen zuvor beschriebenen Ausführungsformen ist gemeinsam, daß der eine Profilsteg 8 etwa in dem dem warmen Metallprofil 1 zugewandten Drittel der Hohlkammer 3 angeordnet ist, während ein weiterer Profilsteg 8 etwa in dem dem kalten Metallprofil 2 zugewandten Drittel der Hohlkammer 3 angeordnet ist. Außerdem ist die IR-Reflexionsfolie 9 stets in einem mittleren Abstand A von etwa 2 mm von der zugeordneten Seite des Profilsteges 8 entfernt.All previously described embodiments have in common that a profile web 8 approximately in the warm Metal profile 1 facing third of the hollow chamber 3 is arranged, while another profile web 8 approximately in the third of the cold metal profile 2 facing Hollow chamber 3 is arranged. Besides, that is IR reflection film 9 always at an average distance A of about 2 mm from the assigned side of the profile web 8 away.

Nach den Fig. 5 und 6 stellt sich der Aufbau der IR-Reflexionsfolie 9 wie folgt dar: An den Außenseiten befindet sich jeweils ein 10 bis 50 µm Polymerfilm 15 bzw. 19 aus Fluorpolymer (z. B. FEP), Polyester (z. B. PET oder PEN) oder Polyolefin (z. B. PP, PE, PMP oder Cycloolefincopolymer der Firma Hoechst). Zwischen diesen beiden Polymerfilmen 15, 19 befindet sich eine 20 bis 50 nm starke Metallschicht 16 (z. B. Aluminium oder Kupfer) oder Metalloxid (z. B. Zinnoxid). Diese Metall- oder Metalloxidschicht 16 ist auf den einen Polymerfilm 15 aufgedampft oder aufgesputtert, der andere Polymerfilm 19 ist mit Hilfe einer 2 bis 3 µm starken Klebeschicht 18 aus einem Zweikomponentensystem auf Basis Polyurethan auf die Metall- oder Metalloxidschicht 16 aufkaschiert. Bei der Ausführungsform nach der Fig. 6 ist der Metall- oder Metalloxidschicht 16 und der Klebeschicht 18 noch eine 2 bis 4 µm starke Schutzlackschicht 17 aus Nitrozellulose zwischengeschaltet.5 and 6, the structure of the IR reflection film 9 as follows: On the outside there is a 10 to 50 µm polymer film 15 or 19 made of fluoropolymer (e.g. FEP), polyester (e.g. PET or PEN) or polyolefin (e.g. PP, PE, PMP or Cycloolefin copolymer from Hoechst). Between these the two polymer films 15, 19 are 20 to 50 nm strong metal layer 16 (e.g. aluminum or copper) or Metal oxide (e.g. tin oxide). This metal or Metal oxide layer 16 is on one polymer film 15 evaporated or sputtered, the other polymer film 19 is made with the help of a 2 to 3 µm thick adhesive layer 18 a two-component system based on polyurethane on the Laminated metal or metal oxide layer 16. In the 6 is the metal or Metal oxide layer 16 and the adhesive layer 18 a second up to 4 µm thick protective lacquer layer 17 made of nitrocellulose interposed.

Die bei den Ausführungsformen nach den Fig. 1 bis 4 eingesetzte IR-Reflexionsfolie 9 weist ein jungfräuliches Schrumpfungsvermögen von zumindest 5 %, besser 10 %, bei 100 °C auf, damit die IR-Reflexionsfolie 9 im fertigen Produkt faltenfrei ist. The in the embodiments of FIGS. 1 to 4th IR reflection film 9 used has a virgin Shrinkage capacity of at least 5%, better 10%, at 100 ° C so that the IR reflection film 9 in the finished Product is wrinkle free.

Die Fig. 7 zeigt ein Fenster aus Blendrahmen 20 und Flügel 21, wobei Blendrahmen 20 und Flügelrahmen 22 aus einem Verbundprofil gemäß Fig. 3 aufgebaut sind.Fig. 7 shows a window made of frame 20 and sash 21, frame frame 20 and sash 22 from one Composite profile according to FIG. 3 are constructed.

Claims (17)

Verbundprofil für Rahmen von Fenstern, Türen, Fassadenelementen und dergl., mit einem warmen und einem kalten Metallprofil (1, 2), insbes. aus Aluminium und zwei diese Metallprofile (1, 2) unter Bildung einer Hohlkammer (3) verbindenden Isolierkunststoffprofilen (4, 5), wobei zumindest eines dieser beiden Isolierkunststoffprofile (4) einen sich in die Hohlkammer (3) bis in die Nähe des anderen Isolierkunststoffprofils (5) erstreckenden Profilsteg (8) aufweist und dem Profilsteg (8) zumindest auf der dem warmen Metallprofil (1) zugewandten Seite eine IR-Reflexionsschicht zugeordnet ist, dadurch gekennzeichnet, daß die IR-Reflexionsschicht an einer aufgespannten IR-Reflexionsfolie (9) vorgesehen ist, die abgesehen vom Firstbereich des Profilsteges (8) mit Abstand vom Profilsteg (8) angeordnet ist.Composite profile for frames of windows, doors, Facade elements and the like, with a warm and a cold metal profile (1, 2), in particular made of aluminum and two these metal profiles (1, 2) to form a hollow chamber (3) connecting insulating plastic profiles (4, 5), wherein at least one of these two insulating plastic profiles (4) one in the hollow chamber (3) close to the other insulating plastic profile (5) extending profile web (8) and the profile web (8) at least on the the warm metal profile (1) side facing one IR reflection layer is assigned, thereby characterized in that the IR reflection layer on a stretched IR reflection film (9) is provided, the apart from the ridge area of the profile web (8) at a distance from the profile web (8) is arranged. Verbundprofil nach Anspruch 1, dadurch gekennzeichnet, daß der Profilsteg (8) in dem dem warmen Metallprofil zugewandten Drittel der Hohlkammer (3) angeordnet ist.Composite profile according to claim 1, characterized in that the profile web (8) in the warm metal profile facing third of the hollow chamber (3) is arranged. Verbundprofil nach Anspruch 2, dadurch gekennzeichnet, daß auch das andere Isolierkunststoffprofil (5) einen sich in die Hohlkammer (3) bis in die Nähe des anderen Isolierkunststoffprofils (4) erstreckenden Profilsteg (8) aufweist und dieser Profilsteg (8) in dem dem kalten Metallprofil (8) zugewandten Drittel der Hohlkammer (3) angeordnet ist. Composite profile according to claim 2, characterized in that the other insulating plastic profile (5) itself into the hollow chamber (3) up to the vicinity of the other Insulating plastic profile (4) extending profile web (8) has and this profile web (8) in the cold Metal profile (8) facing third of the hollow chamber (3) is arranged. Verbundprofil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die IR-Reflexionsfolie (9) einen mittleren Abstand von mehr als 1 mm von der zugeordneten Seite des Profilsteges (8) aufweist.Composite profile according to one of claims 1 to 3, characterized characterized in that the IR reflection film (9) a mean distance of more than 1 mm from the assigned Side of the profile web (8). Verbundprofil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die IR-Reflexionsschicht (9) mit ihren Längsrändern (10) mit Hilfe von in Klemmnuten (11) eingepreßten Kunststoffschnüren (12) fixiert und aufgespannt ist.Composite profile according to one of claims 1 to 4, characterized characterized in that the IR reflection layer (9) with their Longitudinal edges (10) with the aid of clamping grooves (11) pressed plastic cords (12) fixed and is spanned. Verbundprofil nach Anspruch 5, dadurch gekennzeichnet, daß der Firstbereich des Profilsteges (8) als Klemmnut (11) ausgebildet ist.Composite profile according to claim 5, characterized in that the ridge area of the profile web (8) as a clamping groove (11) is trained. Verbundprofil nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Firstbereich des Profilsteges (8) als Rundwulst (14) ausgebildet ist, über den die IR-Reflexionsfolie (9) umgelenkt ist.Composite profile according to one of claims 1 to 6, characterized characterized in that the ridge area of the profile web (8) is designed as a round bead (14) over which the IR reflection film (9) is deflected. IR-Reflexionsfolie, insbesondere für das Verbundprofil nach einem der Ansprüche 1 bis 7, gekennzeichnet durch eine Wärmeleitfähigkeit in der Folienebene von 0,2 bis 0,4 W/mK.IR reflective tape, especially for the composite profile according to one of claims 1 to 7, characterized by a Thermal conductivity in the film level from 0.2 to 0.4 W / mK. IR-Reflexionsfolie nach Anspruch 8, gekennzeichnet durch eine 20 bis 50 nm starke Metall- oder Metalloxidschicht (16) zwischen zwei jeweils 10 bis 50 µm starken Polymerfilmen (15, 19) aus Fluorpolymer, Polyester oder Polyolefin. IR reflection film according to claim 8, characterized by a 20 to 50 nm thick metal or metal oxide layer (16) between two 10 to 50 µm thick Polymer films (15, 19) made of fluoropolymer, polyester or Polyolefin. IR-Reflexionsfolie nach Anspruch 9, dadurch gekennzeichnet, daß die Metall- oder Metalloxidschicht (16) aus Aluminium, Kupfer oder Zinnoxid besteht.IR reflection film according to claim 9, characterized characterized in that the metal or metal oxide layer (16) consists of aluminum, copper or tin oxide. IR-Reflexionsfolie nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß die Polymerfilme (15, 19) aus Tetrafluorethylen-Hexafluorpropen-Copolymer (FEP), Polyäthylenterephthalat (PET), Polyethylennaphthalat (PEN), Polypropylen (PP), Polyäthylen (PE), Polymethylpenthen (PMP) oder Cycloolefincopolymer bestehen.IR reflection film according to claim 9 or 10, characterized characterized in that the polymer films (15, 19) Tetrafluoroethylene-hexafluoropropene copolymer (FEP), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), Polypropylene (PP), polyethylene (PE), polymethylpentene (PMP) or cycloolefin copolymer exist. IR-Reflexionsfolie nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß die Metall- oder Metalloxidschicht (16) auf den einen Polymerfilm (15) aufgedampft oder aufgesputtert und der andere Polymerfilm (19) mit Hilfe einer Klebeschicht (18) auf die Metall- oder Metalloxidschicht (16) aufkaschiert ist.IR reflection film according to one of Claims 9 to 11, characterized in that the metal or metal oxide layer (16) evaporated onto a polymer film (15) or sputtered on and the other polymer film (19) with Using an adhesive layer (18) on the metal or Metal oxide layer (16) is laminated. IR-Reflexionsfolie nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß die Klebeschicht (18) aus Polyurethan besteht und eine Stärke von 2 bis 3 µm aufweist.IR reflection film according to one of Claims 9 to 12, characterized in that the adhesive layer (18) There is polyurethane and a thickness of 2 to 3 µm having. IR-Reflexionsfolie nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß der Metall- oder Metalloxidschicht (16) und der Klebeschicht (18) eine Schutzlackschicht (17) zwischengeschaltet ist.IR reflection film according to claim 11 or 12, characterized characterized in that the metal or metal oxide layer (16) and the adhesive layer (18) has a protective lacquer layer (17) is interposed. IR-Reflexionsschicht nach Anspruch 13, dadurch gekennzeichnet, daß die Schutzlackschicht (17) aus Nitrozellulose besteht und eine Stärke von 2 bis 4 µm aufweist.IR reflection layer according to claim 13, characterized characterized in that the protective lacquer layer (17) There is nitrocellulose and a thickness of 2 to 4 µm having. Verwendung der IR-Reflexionsfolie (9) nach einem der Ansprüche 8 bis 15 bei einem Verbundprofil nach einem der Ansprüche 1 bis 7.Use of the IR reflection film (9) according to one of the Claims 8 to 15 in a composite profile according to one of the Claims 1 to 7. Verwendung nach Anspruch 16, wobei die IR-Reflexionsfolie (9) ein jungfräuliches Schrumpfungsvermögen von mindestens 5 % bei 100 °C aufweist.Use according to claim 16, wherein the IR reflection film (9) a virgin shrinkage of at least 5% at 100 ° C.
EP98108792A 1998-05-14 1998-05-14 Compound section member for doors, windows, facades or the like, IR-reflective film especially adapted for this section member and the use of this film in the compound section member Withdrawn EP0957226A1 (en)

Priority Applications (4)

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EP98108792A EP0957226A1 (en) 1998-05-14 1998-05-14 Compound section member for doors, windows, facades or the like, IR-reflective film especially adapted for this section member and the use of this film in the compound section member
DE29810183U DE29810183U1 (en) 1998-05-14 1998-05-14 Composite profile for frames of windows, doors, facade elements, etc., IR reflective tape, in particular for this composite profile and use of the IR reflective tape in the composite profile
JP10168722A JP2948809B1 (en) 1998-05-14 1998-06-16 Composite profiles for frames such as windows, doors, covering panels, etc., especially infrared reflective foils for these composite profiles and the use of infrared reflective foils for composite profiles
US09/102,460 US6035596A (en) 1998-05-14 1998-06-22 Heat-insulating connecting profile with IR-blocking foil

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EP98108792A EP0957226A1 (en) 1998-05-14 1998-05-14 Compound section member for doors, windows, facades or the like, IR-reflective film especially adapted for this section member and the use of this film in the compound section member

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DE29810183U1 (en) 1999-09-23
JP2948809B1 (en) 1999-09-13
US6035596A (en) 2000-03-14

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