EP0104574A2 - Insulating connecting profile - Google Patents

Insulating connecting profile Download PDF

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Publication number
EP0104574A2
EP0104574A2 EP83109260A EP83109260A EP0104574A2 EP 0104574 A2 EP0104574 A2 EP 0104574A2 EP 83109260 A EP83109260 A EP 83109260A EP 83109260 A EP83109260 A EP 83109260A EP 0104574 A2 EP0104574 A2 EP 0104574A2
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EP
European Patent Office
Prior art keywords
composite profile
metal profiles
insulating
profile according
tool
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.)
Granted
Application number
EP83109260A
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German (de)
French (fr)
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EP0104574B2 (en
EP0104574A3 (en
EP0104574B1 (en
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.)
GOETZ GMBH FENSTER- U. FASSADENBAU
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Gotz Metall- und Anlagenbau GmbH
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Application filed by Gotz Metall- und Anlagenbau GmbH filed Critical Gotz Metall- und Anlagenbau GmbH
Priority to AT83109260T priority Critical patent/ATE17149T1/en
Publication of EP0104574A2 publication Critical patent/EP0104574A2/en
Publication of EP0104574A3 publication Critical patent/EP0104574A3/en
Application granted granted Critical
Publication of EP0104574B1 publication Critical patent/EP0104574B1/en
Publication of EP0104574B2 publication Critical patent/EP0104574B2/en
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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
    • E06B3/273—Frames with special provision for insulation with prefabricated insulating elements held in position by deformation of portions of the metal frame members

Definitions

  • the invention relates to a thermally insulated composite profile for window, door frames and the like.
  • the genus specified in the preamble of claim 1, e.g. is known from DE-PS 27 55 695 and 27 55 697.
  • the pressing of the groove strip is carried out by rolling in with the aid of a pressure roller, which has the prerequisite that the two metal profiles to be connected to one another have a cross-sectional shape such that the pressure roller can be inserted between the two metal profiles.
  • a composite profile very often has two mutually adjacent insulating webs, if the pressure roller can only be inserted from one side of the metal profiles, the slot strips to be pressed must be of unequal length so that the clamping groove arranged at the bottom can be formed first.
  • Deviations in the profile of the slot strips or the insulating webs due to manufacturing tolerances can only be inadequately compensated for in this method, so that secure anchoring of the web ends in the metal profiles is not guaranteed.
  • the invention has for its object a warm To design an insulated composite profile of the type mentioned at the outset in such a way that the disadvantages of the aforementioned known methods are avoided, secure anchoring of the insulating webs is ensured even in the case of relatively large deviations caused by manufacturing tolerances, and that the method is simple with one and the same in the most varied of metal profiles Tool can be run.
  • each individual insulating web can be reliably anchored to the relevant metal profile regardless of the position of another insulating web, which can be arranged parallel or angularly offset with respect to a second insulating web, for example.
  • the composite profile shown in Fig. 1 has an inner metal profile 1, an outer metal profile 2 and the two insulating webs 3 and 4 connecting these metal profiles to one another with dovetailed edges which engage in the pre-formed grooves 8 and 9, the flanks of which each a stronger groove strip 6, 7 and a weaker groove strip 10, 11 to be deformed are formed.
  • the metal profiles 1, 2 and the insulating webs 3, 4 delimit an inner chamber 5.
  • ribs 14, 15 forming abutments are formed on the metal profiles 1, 2, the guides 12, 13 form for the deforming tool 16 shown in dash-dot lines with a small taper.
  • FIG. 4 shows a composite profile in which the two insulating webs 3, 4 are arranged offset with respect to one another and in which anchoring of the insulating web 3 to the metal profiles 1, 2 would not be possible according to the known methods.
  • a sealing strip 17 is inserted into the edges of the webs 3, 4 to seal the inner chamber 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Insulating Bodies (AREA)
  • Organic Insulating Materials (AREA)
  • Computer And Data Communications (AREA)
  • Special Wing (AREA)
  • Cable Accessories (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

1. Insulating connecting profile for windows, door frames and the like, comprising two metal profiles (1, 2) which are held spaced from one another by at least one insulating web (3, 4) of which the ends are clamped in grooves (8, 9) formed by ribs (6, 7, 10, 11) projecting from the metal profiles (1, 2) into which a rib (10, 11) is pressed by means of a tool, characterised in that a bearing member (14, 15) is arranged shaped to the respective metal profile (1, 2) serving as a guide for the tool for each rib (10, 11) to be pressed on to a web.

Description

Die Erfindung betrifft ein wärmegedämmtes Verbundprofil für Fenster-, Türrahmen u.dgl. der im Oberbegriff des Anspruchs 1 angegebenen Gattung, wie sie z.B. durch die DE-PS 27 55 695 und 27 55 697 bekannt ist.The invention relates to a thermally insulated composite profile for window, door frames and the like. the genus specified in the preamble of claim 1, e.g. is known from DE-PS 27 55 695 and 27 55 697.

Bei diesen vorbekannten Verbundprofilen erfolgt das Anpressen der einen Nutenleiste durch Einwalzen mit Hilfe einer Andrückrolle, was zur Voraussetzung hat, daß die beiden miteinander zu verbindenden Metallprofile eine solche Querschnittsform aufweisen, daß die Andrückrolle zwischen die beiden Metallprofile eingeführt werden kann. Da ein Verbundprofil sehr häufig zwei einander benachbarte isolierende Stege aufweist, müssen, wenn die Andrückrolle nur von einer Seite der Metallprofile eingeführt werden kann, die anzupressenden Nutenleisten ungleich lang ausgebildet sein, damit zuerst die zu unterst angeordnete Klemmnut gebildet werden kann. Innerhalb der Fertigungstoleranzen liegende Abweichungen im Profil der Nutenleisten oder der isolierenden Stege können bei diesem Verfahren nur unzulänglich ausgeglichen werden, so daß eine sichere Verankerung der Stegenden in den Metallprofilen nicht gewährleistet ist.In these previously known composite profiles, the pressing of the groove strip is carried out by rolling in with the aid of a pressure roller, which has the prerequisite that the two metal profiles to be connected to one another have a cross-sectional shape such that the pressure roller can be inserted between the two metal profiles. Since a composite profile very often has two mutually adjacent insulating webs, if the pressure roller can only be inserted from one side of the metal profiles, the slot strips to be pressed must be of unequal length so that the clamping groove arranged at the bottom can be formed first. Within the Deviations in the profile of the slot strips or the insulating webs due to manufacturing tolerances can only be inadequately compensated for in this method, so that secure anchoring of the web ends in the metal profiles is not guaranteed.

Es sind auch Verbundprofile mit zwei im Abstand voneinander angeordneten isolierenden Stegen bekannt, die so ausgebildet sind, daß die einander zugewandten Seiten der isolierenden Stege Angriffsflächen für ein sie voneinander wegpressendes Werkzeug bilden (DE-OS 26 04 670) oder bei denen einander gegenüberliegende, gegen je einen isolierenden Steg anzupressenden Nutleisten mittels eines Verformungswerkzeugs auseinandergepresst und in an den isolierenden Stegen vorgesehene Aussparungen, Rillen o.dgl. eingepresst werden (DE-OS 29 37 454).There are also known composite profiles with two spaced-apart insulating webs, which are designed so that the mutually facing sides of the insulating webs form contact surfaces for a tool that presses them away from each other (DE-OS 26 04 670) or in which opposing one another Grooved strips each to be pressed against an insulating web are pressed apart by means of a shaping tool and are provided in recesses, grooves or the like provided on the insulating webs. are pressed in (DE-OS 29 37 454).

Auch bei diesem Verfahren ist eine sichere Verankerung der isolierenden Stege an den Metallprofilen nicht gewährleistet, wenn diese innerhalb der Fertigungstoleranzen liegende Abweichungen aufweisen. Weisen die einander benachbarten isolierenden Stege nur eine verhältnismäßig kleinen Abstand voneinander auf, so bereitet das Verformen mittels eines durch die so gebildete Innenkammer hindurchgezogenen, keilförmig ausgebildeten Werkzeugs erhebliche Schwierigkeiten. Nachteilig wirkt sich bei diesem Verfahren des weiteren aus, daß für die unterschiedliche Abmessungen aufweisenden Verbundprofile jeweils ein diesen Abmessungen entsprechendes Verformungswerkzeug angefertigt werden muß.With this method, too, secure anchoring of the insulating webs on the metal profiles is not guaranteed if they have deviations within the manufacturing tolerances. If the mutually adjacent insulating webs are only at a relatively small distance from one another, the deformation by means of a wedge-shaped tool drawn through the inner chamber thus formed presents considerable difficulties. A further disadvantage of this method is that a deformation tool corresponding to these dimensions must be produced for the composite profiles having different dimensions.

Der Erfindung liegt die Aufgabe zugrunde, ein wärmegedämmtes Verbundprofil der eingangs genannten Gattung so auszubilden, daß die Nachteile der vorgenannten bekannten Verfahren vermieden werden, eine sichere Verankerung der isolierenden Stege auch bei verhältnismäßig großen, durch Fertigungstoleranzen bedingten Abweichungen gewährleistet wird, und daß das Verfahren bei den unterschiedlichsten Metallprofilen mit einem und demselben einfachen Werkzeug ausgeführt werden kann.The invention has for its object a warm To design an insulated composite profile of the type mentioned at the outset in such a way that the disadvantages of the aforementioned known methods are avoided, secure anchoring of the insulating webs is ensured even in the case of relatively large deviations caused by manufacturing tolerances, and that the method is simple with one and the same in the most varied of metal profiles Tool can be run.

Diese Aufgabe wird gemäß der.Erfindung mit den Mitteln gelöst, die die kennzeichnenden Merkmale des Anspruchs 1 bilden, und vorteilhafterweise mit Mitteln, wie sie den Gegenstand der Unteransprüche bilden.This task is performed according to the . Invention solved with the means that form the characterizing features of claim 1, and advantageously with means as they form the subject of the dependent claims.

Bei der erfindungsgemäßen Ausbildung der miteinander zu verbindenden Metallprofile ist es möglich, die isolierenden Stege mit ihren vorzugsweise schwalbenschwanzähnlich ausgebildeten Enden mühelos stirnseitig in die an den Metallprofilen vorgesehenen Nuten ohne Überwindung von Flächenreibungskräften einzuführen, da die die vorgebildeten Nuten bildenden Leisten einen Raum begrenzen, in den das Ende eines isolierenden Steges mit Spiel eingeschoben werden kann.In the inventive design of the metal profiles to be connected to one another, it is possible to easily insert the insulating webs with their preferably dovetail-like ends into the grooves provided on the metal profiles without overcoming surface friction forces, since the strips forming the pre-formed grooves delimit a space in which the end of an insulating bar can be inserted with play.

Ein weiterer Vorteil des erfindungsgemäß ausgebildeten Verbundprofils besteht darin, daß jeder einzelne isolierende Steg unabhängig von der Lage eines anderen isolierenden Steges, der beispielsweise gegenüber einem zweiten isolierenden Steg parallel- oder winkelversetzt angeordnet sein kann, zuverlässig an dem betreffenden Metallprofil verankert werden kann.Another advantage of the composite profile designed according to the invention is that each individual insulating web can be reliably anchored to the relevant metal profile regardless of the position of another insulating web, which can be arranged parallel or angularly offset with respect to a second insulating web, for example.

In der Zeichnung sind Ausführungsbeispiele des Erfindungsgegenstandes in schematischer Weise dargestellt. Es zeigen

  • Fig. 1 einen Schnitt durch ein Verbundprofil mit zwei einen verhältnismäßig großen Abstand voneinander aufweisenden isolierenden Stegen,
  • Fig. 2 einen Schnitt durch zwei miteinander zu verbindende Metallprofile in gegenüber Fig. 1 vergrößertem Maßstab,
  • Fig. 3 einen Schnitt durch ein Verbundprofil mit zwei eng benachbarten isolierenden Stegen,
  • Fig. 4 einen Schnitt durch ein Verbundprofil mit gegeneinander versetzt angeordneten isolierenden Stegen.
In the drawing, exemplary embodiments of the subject matter of the invention are shown in a schematic manner. Show it
  • 1 shows a section through a composite profile with two insulating webs at a relatively large distance from one another,
  • 2 shows a section through two metal profiles to be connected to one another on an enlarged scale compared to FIG. 1,
  • 3 shows a section through a composite profile with two closely adjacent insulating webs,
  • Fig. 4 shows a section through a composite profile with mutually offset insulating webs.

Das in Fig. 1 dargestellte Verbundprofil weist ein inneres Metallprofil 1, ein äußeres Metallprofil 2 und die beiden, diese Metallprofile miteinander verbindende isolierende Stege 3 und 4 mit schwalbenschwanzartig verbreiterten Rändern auf, die in die vorgebildeten Nuten 8 und 9 eingreifen, deren Flanken durch je eine stärker ausgebildete Nutenleiste 6,7 und eine schwächer ausgebildete, zu verformende Nutenleiste 10,11 gebildet werden. Die Metallprofile 1,2 und die isolierenden Stege 3,4 begrenzen eine Innenkammer 5. In verhältnismäßig geringem Abstand von den zu verformenden schwächeren Nutenleisten 10,11 sind an den Metallprofilen 1,2 Widerlager bildende Rippen 14,15 angeformt, die Führungen 12,13 für das eine geringe Verjüngung aufweisende strichpunktiert eingezeichnete Verformungswerkzeug 16 bilden.The composite profile shown in Fig. 1 has an inner metal profile 1, an outer metal profile 2 and the two insulating webs 3 and 4 connecting these metal profiles to one another with dovetailed edges which engage in the pre-formed grooves 8 and 9, the flanks of which each a stronger groove strip 6, 7 and a weaker groove strip 10, 11 to be deformed are formed. The metal profiles 1, 2 and the insulating webs 3, 4 delimit an inner chamber 5. At a relatively short distance from the weaker groove strips 10, 11 to be deformed, ribs 14, 15 forming abutments are formed on the metal profiles 1, 2, the guides 12, 13 form for the deforming tool 16 shown in dash-dot lines with a small taper.

Bei dem in Fig. 3 dargestellten Ausführungsbeispiel sind die Führungen 12,13 für das Werkzeug 16 bildenden Widerlager 14,15 außerhalb der durch die eng einander benachbarten isolierenden Stege 3,4 begrenzten Innenkammer 5 angoerdnet, so daß die eine Flanke der Nuten 8,9 durch dieselbe Nutenleiste 6,7 gebildet wird.In the embodiment shown in Fig. 3, the guides 12,13 for the tool 16 forming abutments 14,15 outside the inner chamber 5 delimited by the closely adjacent insulating webs 3.4, so that the one flank of the grooves 8,9 is formed by the same slot bar 6.7.

Das in Fig. 4 dargestellte Ausführungsbeispiel zeigt ein Verbundprofil, bei dem die beiden isolierenden Stege 3,4 gegeneinander versetzt angeordnet sind und bei dem nach den bekannten Verfahren eine Verankerung des isolierenden Steges 3 an den Metallprofilen 1,2 nicht möglich wäre. In die Ränder der Stege 3,4 ist zur Abdichtung der Innenkammer 5 ein Dichtungsband 17 eingesetzt.The exemplary embodiment shown in FIG. 4 shows a composite profile in which the two insulating webs 3, 4 are arranged offset with respect to one another and in which anchoring of the insulating web 3 to the metal profiles 1, 2 would not be possible according to the known methods. A sealing strip 17 is inserted into the edges of the webs 3, 4 to seal the inner chamber 5.

Claims (6)

1. Wärmegedämmtes Verbundprofil für Fenster-, Türrahmen und dergleichen, bestehend aus zwei Metallprofilen (1,2), die mittels mindestens eines isolierenden Steges (3,4) im Abstand voneinander gehalten werden, dessen Enden zwischen von den Metallprofilen (1,2) abstehende, Nuten (8,9) bildende Leisten (6,7,10,11) durch Anpressen einer Leiste (10,11) mittels eines Werkzeugs eingeklemmt sind, dadurch gekennzeichnet , daß jeder gegen ein Stegende anzupressenden Leiste (10,11) ein dem Werkzeug als Führung dienendes, an dem jeweiligen Metallprofil (1,2) angeformtes Widerlager (14,15) zugeordnet ist.1. Heat-insulated composite profile for window, door frames and the like, consisting of two metal profiles (1,2), which are kept at a distance from one another by means of at least one insulating web (3,4), the ends of which are between the metal profiles (1,2) protruding grooves (8, 9) forming strips (6, 7, 10, 11) are clamped in by pressing a strip (10, 11) using a tool, characterized in that each strip (10, 11) to be pressed against a web end the tool serving as a guide, on the respective metal profile (1,2) molded abutment (14,15) is assigned. 2. Verbundprofil nach Anspruch 1, dadurch gekennzeichnet , daß die Widerlager (14,15) von den anzupressenden Leisten (10,11) denselben Abstand aufweisen.2. Composite profile according to claim 1, characterized in that the abutments (14, 15) are at the same distance from the strips (10, 11) to be pressed. 3. Verbundprofil nach den Ansprüchen 1 und 2 mit zwei eine Innenkammer (5) bildenden Stegen (3,4), dadurch gekennzeichnet, daß die Widerlager (14, 15) innerhalb und/oder außerhalb der Innenkammer (5) angeordnet sind.3. Composite profile according to claims 1 and 2 with two webs (3, 4) forming an inner chamber (5), characterized in that the abutments (14, 15) are arranged inside and / or outside the inner chamber (5). 4. Verbundprofil nach einem der Ansprüche 1 bis 3, d a - d c.h gekennzeichnet , daß die Widerlager (14,15) durch an den Metallprofilen (1,2) angeordnete Rippen gebildet werden.4. Composite profile according to one of claims 1 to 3, d a - d c.h characterized in that the abutments (14, 15) are formed by ribs arranged on the metal profiles (1, 2). 5. Verbundprofil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet , daß die Flanken zweier benachbarter Nuten (8,9) durch eine gemeinsame Nutenleiste (6,7) gebildet werden.5. Composite profile according to one of claims 1 to 4, characterized in that the flanks of two adjacent grooves (8,9) are formed by a common groove strip (6,7). 6. Verbundprofil nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet , daß in die Ränder der isolierenden Stege (3,4) Dichtbänder (17) eingesetzt sind.6. Composite profile according to one of claims 1 to 5, characterized in that in the edges of the insulating webs (3,4) sealing tapes (17) are used.
EP83109260A 1982-09-23 1983-09-19 Insulating connecting profile Expired - Lifetime EP0104574B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83109260T ATE17149T1 (en) 1982-09-23 1983-09-19 HEAT-INSULATED COMPOSITE PROFILE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3235263A DE3235263C2 (en) 1982-09-23 1982-09-23 Thermally insulated composite profile
DE3235263 1982-09-23

Publications (4)

Publication Number Publication Date
EP0104574A2 true EP0104574A2 (en) 1984-04-04
EP0104574A3 EP0104574A3 (en) 1984-08-22
EP0104574B1 EP0104574B1 (en) 1985-12-27
EP0104574B2 EP0104574B2 (en) 1990-10-31

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ID=6173977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109260A Expired - Lifetime EP0104574B2 (en) 1982-09-23 1983-09-19 Insulating connecting profile

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EP (1) EP0104574B2 (en)
AT (1) ATE17149T1 (en)
DE (2) DE3235263C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2416368A (en) * 2004-07-20 2006-01-25 Architectural & Metal Systems Insulated frame member

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604670A1 (en) * 1976-02-06 1977-08-11 Eberhard Keller Two part metal window frame - has two identical channels separated by slotted wedge and held together by elastic W:shaped wedges
DE2724377A1 (en) * 1977-05-28 1978-11-30 Caprano & Brunnhofer Window, door or wall composite profile bar assembly - has elastically deformed rubber inlay between connector flanges and bar chamber sides
DE2826783B1 (en) * 1978-06-19 1979-10-31 Hartmann & Co W Composite profile, especially for windows, doors or the like.
DE2755697B2 (en) * 1977-12-14 1980-01-24 Wieland-Werke Ag, 7900 Ulm Thermally insulated composite profile
DE2755695B2 (en) * 1977-12-14 1980-07-17 Wieland-Werke Ag, 7900 Ulm Thermally insulated composite profile for windows, doors and the like

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232024A1 (en) * 1972-06-30 1974-01-10 Goetz Metallbau Gmbh THERMALLY INSULATED COMPOSITE PROFILE AND METHOD FOR ITS MANUFACTURING
DE2552700C2 (en) * 1975-11-25 1980-06-19 Otto Fuchs Kg, 5882 Meinerzhagen Composite profile, especially for windows, doors and facades
DE2937454C2 (en) * 1979-09-15 1985-08-08 SCHÜCO Heinz Schürmann GmbH & Co, 4800 Bielefeld Composite profile, in particular for windows, doors and facades, and a method for producing the composite profile
BE880589A (en) * 1979-12-13 1980-06-13 Reynaers Aluminium N V METAL CONSTRUCTION WITH INSULATING BRIDGE AND INSULATING BRIDGE USED IN SUCH METAL CONSTRUCTION

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604670A1 (en) * 1976-02-06 1977-08-11 Eberhard Keller Two part metal window frame - has two identical channels separated by slotted wedge and held together by elastic W:shaped wedges
DE2724377A1 (en) * 1977-05-28 1978-11-30 Caprano & Brunnhofer Window, door or wall composite profile bar assembly - has elastically deformed rubber inlay between connector flanges and bar chamber sides
DE2755697B2 (en) * 1977-12-14 1980-01-24 Wieland-Werke Ag, 7900 Ulm Thermally insulated composite profile
DE2755695B2 (en) * 1977-12-14 1980-07-17 Wieland-Werke Ag, 7900 Ulm Thermally insulated composite profile for windows, doors and the like
DE2826783B1 (en) * 1978-06-19 1979-10-31 Hartmann & Co W Composite profile, especially for windows, doors or the like.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2416368A (en) * 2004-07-20 2006-01-25 Architectural & Metal Systems Insulated frame member
EP1621716A2 (en) * 2004-07-20 2006-02-01 Architectural & Metal Systems Limited Insulated frame member
GB2416368B (en) * 2004-07-20 2008-07-30 Architectural & Metal Systems Insulated frame member
EP1621716A3 (en) * 2004-07-20 2009-05-13 Architectural & Metal Systems Limited Insulated frame member
US7640709B2 (en) 2004-07-20 2010-01-05 Architectural & Metal Systems, Limited Insulated frame member

Also Published As

Publication number Publication date
DE3235263A1 (en) 1984-03-29
DE3235263C2 (en) 1986-05-07
EP0104574B2 (en) 1990-10-31
DE3361642D1 (en) 1986-02-06
EP0104574A3 (en) 1984-08-22
EP0104574B1 (en) 1985-12-27
ATE17149T1 (en) 1986-01-15

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