EP0721047A1 - Edge covering of an insulating glass panel - Google Patents

Edge covering of an insulating glass panel Download PDF

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Publication number
EP0721047A1
EP0721047A1 EP95120176A EP95120176A EP0721047A1 EP 0721047 A1 EP0721047 A1 EP 0721047A1 EP 95120176 A EP95120176 A EP 95120176A EP 95120176 A EP95120176 A EP 95120176A EP 0721047 A1 EP0721047 A1 EP 0721047A1
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EP
European Patent Office
Prior art keywords
building material
protective profile
panes
cover
fire
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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.)
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EP95120176A
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German (de)
French (fr)
Inventor
Hans Dieter Niemann
Lothar Lutzner
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Individual
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Publication of EP0721047A1 publication Critical patent/EP0721047A1/en
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    • 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
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/165—Fireproof windows
    • 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
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6621—Units comprising two or more parallel glass or like panes permanently secured together with special provisions for fitting in window frames or to adjacent units; Separate edge protecting strips
    • 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
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes

Definitions

  • the invention relates to a cover of an insulating glass pane in the edge region, with a protective profile encompassing the edges of fire-resistant glass, which engages with spacing strips between the glass panes and which has the building material arranged on the glass side and foaming in the event of a fire.
  • Such a cover is known from DE-A 22 29 524.
  • the known protective profile surrounds the edges of the fire protection glass indirectly, namely with the interposition of a seal, and is itself made of metal.
  • the U-shaped seals of the insulating glass pane present on both individual panes reduce the spacing of the spacer strips, so that the space between them for receiving the building material which foams up in the event of a fire is small.
  • the seals also increase the required distance of the frame from the glass edges and weaken the frame accordingly.
  • the metal design of the protective profile means that the building material that foams up in the event of fire can only foam up in the space between the two individual panes of the insulating glass. This also corresponds to the objective of the known cover, according to which the space between the two individual panes is to be foamed to achieve sufficient insulation properties, but the space between the insulating glass pane and the frame is not taken into account.
  • a cover of a similar type is also known from WO 93/02268.
  • the protective profile made of heat-sensitive material is U-shaped and the building material that foams up in the event of a fire is arranged between the U-bottom and the glass end faces of the individual panes of the insulating glass pane and clamped in the process.
  • the hot side of the protective profile is attacked or destroyed by the action of heat, so that the building material is exposed to the heat and, as a result, a joint between the pane and the frame holding the pane or the like. can completely foam out.
  • the known covering assumes that a conventional insulating glass pane consisting of fire protection glass is used in order to build up a fire-resistant glass partition or the like.
  • the invention has for its object to improve a cover with the features mentioned in such a way that the radial space required in the plane of the pane on the outer periphery of the pane is as small as possible for the design of the cover adapted to the case of fire.
  • Conventionally dimensioned frames should therefore be able to be used and nevertheless a reliable seal should be achieved between the outer periphery of the insulating glass pane and the frame holding it.
  • the protective profile consists of heat-sensitive material in the event of fire and rests with the spacer strips on the glass panes, and in that the material of the protective profile has a melting temperature which prevents the foaming building material from escaping from the area between the individual glass panes into the space between allowed the outer periphery of the insulating glass pane and its holding element.
  • the protective profile made of heat-sensitive material is also designed as a spacer.
  • the spacer strips engage between the glass panes in such a way that they abut against them on the inside and keep them at the required distance from one another.
  • the space in between is used to absorb the foam material in the event of a fire.
  • the overall height in the edge area is reduced.
  • edge protection strips in insulating glass panes in order to protect their glass end faces. For example, against mechanical loads when installing an insulating glass pane in a window frame, in particular with heavier panes, as is the case with fire protection panes. It is also known to have edge protection strips with spacer strips between the individual panes of insulating glass panes in order to keep them at a distance.
  • edge protection strips are generally used with additional spacers, namely, for example, rolled hollow profiles, which take over the essential part of the supporting function between the individual panes and which can furthermore be filled with hygroscopic material in order to prevent the inner surfaces of the individual panes from misting up due to absorption of moisture To prevent insulating glass pane.
  • additional spacers namely, for example, rolled hollow profiles
  • hygroscopic material in order to prevent the inner surfaces of the individual panes from misting up due to absorption of moisture
  • insulating glass pane are made of metal and, in the event of fire, lead to an undesirable heat distribution due to their high thermal conductivity. This is the case with the heat-sensitive material Protection profile is not the case.
  • the cover is advantageously designed such that the protective profile and the building material are assembled to form a handling unit.
  • the handling unit can be manufactured in the factory.
  • the protective profile reliably protects the building material against undesired mechanical influences or destruction during the production of the insulating glass pane.
  • the cover can be designed so that the space between two spacer strips is filled with foaming building material.
  • foaming building material a comparatively large volume is available, so that even large volumes between the insulating glass pane and the associated frame or the like. can be foamed.
  • the device can be designed so that the melting temperature of the protective profile is lower than the foaming temperature of the building material. This ensures with certainty that the protective profile has already melted before the foaming building material foams. By melting the protective profile, an outlet is created for the building material that foams up after the emergence of this outlet. At the same time, it is ensured that a seal shielding the interior of the pane is not undesirably loaded by foaming building material.
  • the insulating glass pane 10 shown in the figure consists of an outer glass pane 17, which thus faces an exterior of the building, and an inner glass pane 16, which thus faces an interior of the building.
  • the thickness of the glass panes 16, 17 is correspondingly different.
  • the outer circumference of the insulating glass pane 10 is determined by its edges 12, which are surrounded by a protective profile 13.
  • the protective profile 13 comprises both the glass end faces 22, against which it lies directly, as well as the outer edges 23 of these glass end faces 22, for which purpose it has protective projections 25 which extend parallel to the edges 12 and on the outer surface of the glass pane 17 or on the outer surface the glass pane 16 abut, projecting towards the center of the pane.
  • the insulating glass pane 10 has an interior space 27, in which spacer strips 19 of the protective profile 13 engage, which protrude vertically therefrom.
  • the spacing of the spacing strips 15 from the protective projections 25 is designed such that the glass panes 16, 17 are closely enclosed at their edges 12.
  • the spacer strips 15 are thus tight on the inner surfaces 17 ', 16'.
  • the spacer strips 15 project so far into the interior 27 that the space 18 formed thereby between them has a sufficiently large volume to accommodate foaming building material 14.
  • the spacer strips 15 protrude to the interior of the pane 27 to such an extent that a cover 21 can be provided between their two free ends 19, 20, which covers the building material 14 on the inside of the pane covers and is installed form-fitting between the two free ends 19, 20.
  • a cover 21 By using a cover 21, precompressed building material 14 can be used and the cover 21 also prevents outgassing in the direction of the window interior 27. It can also be formed in one piece with the spacer strips 15, so that the building material is completely degassing-proof and the protective profile 13 as a whole is stabilized. In addition, this can be sealed close to the profile, for which purpose a seal 26 is shown schematically. In individual cases, this seal 26 can be adapted to the respective requirements, for example only be present in the corner area if the protective profiles 13 are not welded to one another.
  • the design of the cover is such that the protective profile 13 is flat on its outer circumference. In view of the further structural design of frames or other constructions that receive the insulating glass pane, this is the most neutral design, in particular also the least space-consuming.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Window Of Vehicle (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The cover (13) encloses the edges (12) of the fire-resistant panes (15,16) and also fits between them to hold them apart. It also contains material (14) forming foam on the outbreak of fire. Ribs (15) on the cover bear against the panes to hold them apart, and its melting point allows escape of the foam-forming material (14) from between the panes into the gap between their outer periphery and their mounting. The cover and the foam material can be immediately adjacent, and combined into a single unit. The space between two distance-ribs can be filled with the foam material. A one-piece cover (21) over the latter can be mounted between the rib free ends.

Description

Die Erfindung bezieht sich auf eine Abdeckung einer Isolierglasscheibe im Kantenbereich, mit einem die Kanten von Brandschutzglas umgreifenden Schutzprofil, das mit Abstandshalteleisten zwischen die Glasscheiben greift und das glasseitig angeordneten, im Brandfall aufschäumenden Baustoff aufweist.The invention relates to a cover of an insulating glass pane in the edge region, with a protective profile encompassing the edges of fire-resistant glass, which engages with spacing strips between the glass panes and which has the building material arranged on the glass side and foaming in the event of a fire.

Eine derartige Abdeckung ist aus der DE-A 22 29 524 bekannt. Das bekannte Schutzprofil umgreift die Kanten des Brandschutzglases mittelbar, nämlich unter Zwischenschaltung einer Dichtung, und besteht selbst aus Metall. Die auf beiden Einzelscheiben vorhandenen U-förmigen Dichtungen der Isolierglasscheibe verringern den Abstand der Abstandshalteleisten, so daß der zwischen diesen befindliche Raum zur Aufnahme des im Brandfall aufschäumenden Baustoffs gering ist. Die Dichtungen vergrößern auch den erforderlichen Abstand des Rahmens von den Glaskanten und schwächen den Rahmen entsprechend. Die metallene Ausbildung des Schutzprofils bewirkt, daß der im Brandfall aufschäumende Baustoff ausschließlich in den Raum zwischen die beiden Einzelscheiben des Isolierglases aufschäumen kann. Das entspricht auch der Zielsetzung der bekannten Abdeckung, wonach der Zwischenraum zwischen den beiden Einzelscheiben zur Erzielung ausreichender Isolationseigenschaften aufgeschäumt werden soll, der Raum zwischen der Isolierglasscheibe und dem Rahmen aber unberücksichtigt bleibt.Such a cover is known from DE-A 22 29 524. The known protective profile surrounds the edges of the fire protection glass indirectly, namely with the interposition of a seal, and is itself made of metal. The U-shaped seals of the insulating glass pane present on both individual panes reduce the spacing of the spacer strips, so that the space between them for receiving the building material which foams up in the event of a fire is small. The seals also increase the required distance of the frame from the glass edges and weaken the frame accordingly. The metal design of the protective profile means that the building material that foams up in the event of fire can only foam up in the space between the two individual panes of the insulating glass. This also corresponds to the objective of the known cover, according to which the space between the two individual panes is to be foamed to achieve sufficient insulation properties, but the space between the insulating glass pane and the frame is not taken into account.

Des weiteren ist eine Abdeckung ähnlicher Art aus der WO 93/02268 bekannt. Das Schutzprofil aus wärmesensiblem Werkstoff ist U-förmig ausgebildet und der im Brandfall aufschäumende Baustoff ist zwischen dem U-Boden und den Glasstirnflächen der Einzelscheiben der Isolierglasscheibe angeordnet und dabei eingeklemmt. Im Brandfall wird der der heissen Seite zugekehrte Teil des Schutzprofils durch Hitzeeinwirkung angegriffen oder zerstört, so daß der Baustoff der Hitzeeinwirkung ausgesetzt wird und infolgedessen eine Trennfuge zwischen der Scheibe und dem die Scheibe haltenden Rahmen od.dgl. vollständig ausschäumen kann. Die bekannte Abdekkung geht davon aus, daß eine herkömmliche, aus Brandschutzglas bestehende Isolierglasscheibe eingesetzt wird, um damit eine feuerwiderstandsfähige Glastrennwand od. dgl. aufzubauen. Dabei wird ein sich in der Scheibenebene vergrößernder Außenumfang in Kauf genommen, bedingt durch das Schutzprofil, welches in aufwendiger Weise als Dichtungsprofil ausgebildet ist, und bedingt durch den im Brandfall aufschäumenden Baustoff, dessen Volumen für eine zuverlässige Abdichtung nicht zu klein bemessen sein darf, um im Einzelfall auch vergleichsweise große Volumina zwischen dem Außenumfang der Isolierglasscheibe und dem diese abstützenden Rahmen od.dgl. befindlichen Zwischenraum zuverlässig und vollständig ausschäumen zu können. Der Zusammenbau der Dichtung mit dem streifenförmigen aufschäumenden Baustoff muß den ordnungsgemäßen Sitz aller Teile berücksichtigen und ist dementsprechend sorgfältig bzw. mit entsprechendem Aufwand durchzuführen. Bei dieser bekannten Abdeckung muß also der Rahmen geschwächt werden, um Platz zur Aufnahme des Volumens des aufschäumenden Baustoffs zu schaffen.A cover of a similar type is also known from WO 93/02268. The protective profile made of heat-sensitive material is U-shaped and the building material that foams up in the event of a fire is arranged between the U-bottom and the glass end faces of the individual panes of the insulating glass pane and clamped in the process. In the event of fire, the hot side of the protective profile is attacked or destroyed by the action of heat, so that the building material is exposed to the heat and, as a result, a joint between the pane and the frame holding the pane or the like. can completely foam out. The known covering assumes that a conventional insulating glass pane consisting of fire protection glass is used in order to build up a fire-resistant glass partition or the like. An outer circumference that increases in the pane level is accepted, due to the protective profile, which is designed in a complex manner as a sealing profile, and due to the building material foaming in the event of fire, the volume of which must not be too small for a reliable seal in individual cases also comparatively large volumes or the like between the outer circumference of the insulating glass pane and the frame supporting it. to be able to reliably and completely foam out the space in between. The assembly of the seal with the strip-shaped foaming building material must take into account the correct fit of all parts and must therefore be carried out carefully or with the corresponding effort. With this known cover, the frame must therefore be weakened in order to make room for receiving the volume of the foaming building material.

Demgegenüber liegt der Erfindung die Aufgabe zugrunde, eine Abdeckung mit den eingangs genannten Merkmalen so zu verbessern, daß der in Scheibenebene am Scheibenaußenumfang erforderliche radiale Platz für die auf den Brandfall abgestimmte Ausbildung der Abdeckung so gering wie möglich ist. Es sollen also herkömmlich dimensionierte Rahmen eingesetzt werden können und trotzdem soll eine zuverlässige Abdichtung zwischen dem Außenumfang der Isolierglasscheibe und dem diese haltenden Rahmen erreicht werden.In contrast, the invention has for its object to improve a cover with the features mentioned in such a way that the radial space required in the plane of the pane on the outer periphery of the pane is as small as possible for the design of the cover adapted to the case of fire. Conventionally dimensioned frames should therefore be able to be used and nevertheless a reliable seal should be achieved between the outer periphery of the insulating glass pane and the frame holding it.

Diese Aufgabe wird dadurch gelöst, daß das Schutzprofil aus im Brandfall wärmesensiblem Werkstoff besteht und mit den Abstandshalteleisten an den Glasscheiben anliegt, und daß der Werkstoff des Schutzprofils eine Schmelztemperatur hat, die das Austreten des aufschäumenden Baustoffs aus dem Bereich zwischen den Einzelglasscheiben in den Zwischenraum zwischen den Außenumfang der Isolierglasscheibe und dessen Halteelement gestattet.This object is achieved in that the protective profile consists of heat-sensitive material in the event of fire and rests with the spacer strips on the glass panes, and in that the material of the protective profile has a melting temperature which prevents the foaming building material from escaping from the area between the individual glass panes into the space between allowed the outer periphery of the insulating glass pane and its holding element.

Für die Erfindung ist die Erkenntnis von Bedeutung, daß der im Brandfall aufschäumende Werkstoff zwischen den Einzelscheiben der Isolierglasscheibe untergebracht werden kann. Dazu wird das aus wärmesensiblem Werkstoff bestehende Schutzprofil zugleich als Abstandhalter ausgebildet. Die Abstandshalteleisten greifen so zwischen die Glasscheiben, daß sie an diesen innen anliegen und sie auf dem erforderlichen Abstand voneinander halten. Der Zwischenraum wird ausgenutzt, um den im Brandfall aufschäumenden Werkstoff aufzunehmen. Die Bauhöhe im Kantenbereich wird verringert.For the invention, it is important to recognize that the material which foams up in the event of a fire can be accommodated between the individual panes of the insulating glass pane. For this purpose, the protective profile made of heat-sensitive material is also designed as a spacer. The spacer strips engage between the glass panes in such a way that they abut against them on the inside and keep them at the required distance from one another. The space in between is used to absorb the foam material in the event of a fire. The overall height in the edge area is reduced.

Es ist an sich bekannt, Kantenschutzleisten bei Isolierglasscheiben einzusetzen, um deren Glasstirnflächen zu schützen. Beispielsweise vor mechanischen Belastungen beim Einbau einer Isolierglasscheibe in einen Fensterrahmen, insbesondere bei schwereren Scheiben, wie es bei Brandschutzscheiben der Fall ist. Es ist auch bekannt, Kantenschutzleisten mit Abstandshalteleisten zwischen die Einzelscheiben von Isolierglasscheiben greifen zu lassen, um diese auf Abstand zu halten. Diese Kantenschutzleisten werden jedoch in der Regel mit zusätzlichen Abstandhaltern verwendet, nämlich beispielsweise gerollten Hohlprofilen, die den wesentlichen Teil der Abstützfunktion zwischen den Einzelscheiben übernehmen und die des weiteren mit hygroskopischem Werkstoff gefüllt werden können, um durch Absorption von Feuchtigkeit ein Beschlagen der Innenflächen der Einzelscheiben der Isolierglasscheibe zu verhindern. Diese bekannten Schutzleisten der Isolierglasscheibe bestehen aus Metall und führen im Brandfall infolge ihrer hohen Wärmeleitfähigkeit zu einer unerwünschten Wärmeverteilung. Das ist bei dem aus wärmesensiblem Werkstoff bestehenden Schutzprofil nicht der Fall. Vielmehr schmilzt dessen Werkstoff vor dem Erreichen der Aufschäumtemperatur des im Brandfall aufschäumenden Baustoffs und ermöglicht damit das Austreten des aufgeschäumten Werkstoffs aus dem Bereich zwischen den Einzelglasscheiben in den Zwischenraum zwischen dem Außenumfang der Isolierglasscheibe und dem diese haltenden Rahmen od.dgl.It is known per se to use edge protection strips in insulating glass panes in order to protect their glass end faces. For example, against mechanical loads when installing an insulating glass pane in a window frame, in particular with heavier panes, as is the case with fire protection panes. It is also known to have edge protection strips with spacer strips between the individual panes of insulating glass panes in order to keep them at a distance. However, these edge protection strips are generally used with additional spacers, namely, for example, rolled hollow profiles, which take over the essential part of the supporting function between the individual panes and which can furthermore be filled with hygroscopic material in order to prevent the inner surfaces of the individual panes from misting up due to absorption of moisture To prevent insulating glass pane. These known protective strips of the insulating glass pane are made of metal and, in the event of fire, lead to an undesirable heat distribution due to their high thermal conductivity. This is the case with the heat-sensitive material Protection profile is not the case. Rather, its material melts before reaching the foaming temperature of the building material that foams up in the event of a fire, thus allowing the foamed material to escape from the area between the individual glass panes into the space between the outer periphery of the insulating glass pane and the frame holding the same or the like.

Wenn das Schutzprofil an den Baustoff direkt angrenzt, so ist dadurch dafür gesorgt, daß jeglicher das Aufschäumen des Baustoffs im Brandfall verhindernde Zwischenraum vermieden wird. Die im Brandfall vorhandene Wärme bzw. Energie gelangt umgehend zur Einwirkung auf den Baustoff, der so schnell wie möglich aufschäumt.If the protective profile directly adjoins the building material, this ensures that any space preventing the building material from foaming in the event of a fire is avoided. The heat or energy available in the event of a fire immediately affects the building material, which foams as quickly as possible.

Vorteilhafterweise wird die Abdeckung so ausgebildet, daß das Schutzprofil und der Baustoff zu einer Handhabungseinheit zusammengebaut sind. Die Handhabungseinheit kann fabrikmäßig hergestellt werden. Infolgedessen schützt das Schutzprofil während der Herstellung der Isolierglasscheibe den Baustoff zuverlässig gegen unerwünschte mechanische Einwirkungen bzw. Zerstörungen.The cover is advantageously designed such that the protective profile and the building material are assembled to form a handling unit. The handling unit can be manufactured in the factory. As a result, the protective profile reliably protects the building material against undesired mechanical influences or destruction during the production of the insulating glass pane.

Die Abdeckung kann so ausgebildet werden, daß der Zwischenraum zwischen zwei Abstandshalteleisten mit aufschäumendem Baustoff ausgefüllt ist. Dabei wird der gesamte, zwischen den Einzelscheiben der Isolierglasscheibe zur Verfügung stehende Raum, soweit er nicht durch die Abstandshalteleisten eingenommen ist, durch aufschäumenden Baustoff ausgefüllt. Hier steht ein vergleichsweise großes Volumen zur Verfügung, so daß auch große Volumina zwischen der Isolierglasscheibe und dem zugehörigen Rahmen od.dgl. ausgeschäumt werden können.The cover can be designed so that the space between two spacer strips is filled with foaming building material. The entire space available between the individual panes of the insulating glass pane, insofar as it is not occupied by the spacing strips, is filled with foaming building material. Here a comparatively large volume is available, so that even large volumes between the insulating glass pane and the associated frame or the like. can be foamed.

Es ist des weiteren möglich, die Abdeckung so auszubilden, daß zwischen die beiden freien Enden der Abstandshalteleisten eine den Baustoff verkleidende Abdeckung bedarfsweise einstückig eingebaut ist. Diese Abdeckung erhöht den Schutz des Baustoffs und kann diesen zugleich gegen den Scheibeninnenraum abdichten. Es ist also nicht zu befürchten, daß aus dem Baustoff entweichende Gase unerwünschterweise in den Scheibenzwischenraum gelangen. Vielmehr steht sämtliches Gas, insbesondere auch beim Aufschäumen, ausschließlich der Volumenvergrößerung des Baustoffs zur Verfügung.It is also possible to design the cover so that a cover cladding the building material is installed in one piece, if necessary, between the two free ends of the spacer strips. This cover increases the protection of the building material and can also seal it against the window interior. So there is no fear that from Gases escaping from the building material undesirably get into the space between the panes. Rather, all gas, especially when foaming, is only available to increase the volume of the building material.

Es ist aber natürlich möglich, den Scheibenzwischenraum zwischen den Einzelscheiben einer Isolierglasscheibe dadurch zusätzlich zu schützen, daß der Scheibenzwischenraum gegen das Schutzprofil profilnah abgedichtet ist. Zu einer solchen Abdichtung können herkömmliche Abdichtungswerkstoffe verwendet werden, im Einzelfall auch unter Einsatz stabiler Abstandhalter, sofern im Brandfall mit extremen mechanischen Belastungen zu rechnen sein sollte oder der Abstandhalter zu anderen Funktionen herangezogen werden muß, beispielsweise zur Aufnahme eines Trockenmittels, welches dem Scheibenzwischenraum Feuchtigkeit entziehen soll.However, it is of course possible to additionally protect the space between the individual panes of an insulating glass pane in that the space between the panes is sealed against the protective profile close to the profile. Conventional sealing materials can be used for such a seal, in individual cases also using stable spacers, if extreme mechanical loads are to be expected in the event of a fire or if the spacer has to be used for other functions, for example to absorb a desiccant that removes moisture from the space between the panes should.

Es ist vorteilhaft, die Abdeckung so auszubilden, daß das Schutzprofil unmittelbar an den Glasstirnflächen anliegt und eine ebene Außenfläche aufweist. Dadurch ergibt sich eine geringe Bauhöhe in Rahmenebene und die ebene Außenfläche trägt dazu bei, daß übliche Gestaltungsmöglichkeiten außerhalb des Bereichs der Isolierglasscheibe eingesetzt werden können, wie Verklotzungen, Dichtungen u.dgl.It is advantageous to design the cover so that the protective profile bears directly on the glass end faces and has a flat outer surface. This results in a low overall height in the frame level and the flat outer surface contributes to the fact that conventional design options can be used outside the area of the insulating glass pane, such as blocks, seals and the like.

Eine Verbesserung der mechanischen Stabilität des Kantenbereichs der Isolierglasscheibe ergibt sich dadurch, daß das Schutzprofil die Außenkanten der Glasstirnflächen umgreift. Infolgedessen werden die Einzelscheiben zwischen je einer Abstandshalteleiste und einem scheibenaußenseitigen Schutzvorsprung im Bereich ihrer Glasstirnflächen kantensicher umfaßt.An improvement in the mechanical stability of the edge region of the insulating glass pane results from the fact that the protective profile encompasses the outer edges of the glass end faces. As a result, the individual panes are enclosed in an edge-safe manner between a spacer bar and a protective projection on the outside of the pane in the region of their glass end faces.

Die Vorrichtung kann so ausgestaltet werden, daß die Schmelztemperatur des Schutzprofils niedriger als die Aufschäumtemperatur des Baustoffs ist. Dadurch wird mit Sicherheit gewährleistet, daß das Schutzprofil bereits geschmolzen ist, bevor der aufschäumende Baustoff aufschäumt. Durch das Aufschmelzen des Schutzprofils wird ein Austritt für den nach der Entstehung dieses Austritts aufschäumenden Baustoff geschaffen. Zugleich wird sichergestellt, daß eine den Scheibeninnenraum abschirmende Abdichtung durch aufschäumenden Baustoff nicht in unerwünschter Weise belastet wird.The device can be designed so that the melting temperature of the protective profile is lower than the foaming temperature of the building material. This ensures with certainty that the protective profile has already melted before the foaming building material foams. By melting the protective profile, an outlet is created for the building material that foams up after the emergence of this outlet. At the same time, it is ensured that a seal shielding the interior of the pane is not undesirably loaded by foaming building material.

Die Erfindung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels erläutert, die einen Querschnitt durch den Kantenbereich einer aus zwei Einzelscheiben bestehenden Isolierglasscheibe darstellt.The invention is explained with reference to an embodiment shown in the drawing, which represents a cross section through the edge region of an insulating glass pane consisting of two individual panes.

Die in der Figur dargestellte Isolierglasscheibe 10 besteht aus einer äußeren Glasscheibe 17, die also einem Gebäudeaußenraum zugewendet ist, und einer inneren Glasscheibe 16, die also einem Gebäudeinnenraum zugewendet ist. Die Stärke der Glasscheiben 16,17 ist entsprechend unterschiedlich. Der Außenumfang der Isolierglasscheibe 10 wird durch deren Kanten 12 bestimmt, die von einem Schutzprofil 13 umfaßt sind. Das Schutzprofil 13 umfaßt sowohl die Glasstirnflächen 22, an denen es unmittelbar anliegt, wie auch die Außenkanten 23 dieser Glasstirnflächen 22, wozu es Schutzvorsprünge 25 aufweist, die sich parallel zu den Kanten 12 erstrecken und auf der Außenfläche der Glasscheibe 17 bzw. auf der Außenfläche der Glasscheibe 16 anliegen, wobei sie zur Scheibenmitte hin vorspringen.The insulating glass pane 10 shown in the figure consists of an outer glass pane 17, which thus faces an exterior of the building, and an inner glass pane 16, which thus faces an interior of the building. The thickness of the glass panes 16, 17 is correspondingly different. The outer circumference of the insulating glass pane 10 is determined by its edges 12, which are surrounded by a protective profile 13. The protective profile 13 comprises both the glass end faces 22, against which it lies directly, as well as the outer edges 23 of these glass end faces 22, for which purpose it has protective projections 25 which extend parallel to the edges 12 and on the outer surface of the glass pane 17 or on the outer surface the glass pane 16 abut, projecting towards the center of the pane.

Die Isolierglasscheibe 10 hat einen Innenraum 27, in den Abstandshalteleisten 19 des Schutzprofils 13 eingreifen, die von diesem vertikal vorspringen. Der Abstand der Abstandshalteleisten 15 von den Schutzvorsprüngen 25 ist so ausgebildet, daß die Glasscheiben 16,17 an ihren Kanten 12 eng umfaßt werden. Die Abstandshalteleisten 15 liegen also an den Innenflächen 17',16' dicht an. Infolge des sie verbindenden Abschnitts 13' des Schutzprofils 13 werden sie entsprechend auf Abstand gehalten und halten ihrerseits die Scheiben 16,17 auf Abstand. Die Abstandshalteleisten 15 springen so weit in den Innenraum 27 vor, daß der zwischen ihnen dadurch gebildete Zwischenraum 18 ein genügend großes Volumen hat, um aufschäumenen Baustoff 14 aufzunehmen. Des weiteren springen die Abstandshalteleisten 15 zum Scheibeninnenraum 27 so weit vor, daß zwischen ihren beiden freiden Enden 19,20 eine Abdeckung 21 vorgesehen werden kann, die den Baustoff 14 scheibeninnenseitig abdeckt und zwischen den beiden freien Enden 19,20 formschlüssig eingebaut ist. Durch Einsatz einer Abdeckung 21 kann vorkomprimierter Baustoff 14 eingesetzt werden und die Abdeckung 21 verhindert zugleich ein Ausgasen in Richtung Scheibeninnenraum 27. Sie kann mit den Abstandshalteleisten 15 auch einstückig ausgebildet werden, um so den Baustoff völlig entgasungssicher abzuschließen und das Schutzprofil 13 insgesamt zu stabilisieren. Zusätzlich kann dieser profilnah abgedichtet sein, wozu eine Dichtung 26 schematisch dargestellt ist. Im Einzelfall kann diese Dichtung 26 an die jeweiligen Anforderungen angepaßt werden, beispielsweise nur im Eckbereich vorhanden sein, wenn die Schutzprofile 13 nicht miteinander verschweißt sind.The insulating glass pane 10 has an interior space 27, in which spacer strips 19 of the protective profile 13 engage, which protrude vertically therefrom. The spacing of the spacing strips 15 from the protective projections 25 is designed such that the glass panes 16, 17 are closely enclosed at their edges 12. The spacer strips 15 are thus tight on the inner surfaces 17 ', 16'. As a result of the section 13 'of the protective profile 13 connecting them, they are accordingly kept at a distance and in turn keep the disks 16, 17 at a distance. The spacer strips 15 project so far into the interior 27 that the space 18 formed thereby between them has a sufficiently large volume to accommodate foaming building material 14. Furthermore, the spacer strips 15 protrude to the interior of the pane 27 to such an extent that a cover 21 can be provided between their two free ends 19, 20, which covers the building material 14 on the inside of the pane covers and is installed form-fitting between the two free ends 19, 20. By using a cover 21, precompressed building material 14 can be used and the cover 21 also prevents outgassing in the direction of the window interior 27. It can also be formed in one piece with the spacer strips 15, so that the building material is completely degassing-proof and the protective profile 13 as a whole is stabilized. In addition, this can be sealed close to the profile, for which purpose a seal 26 is shown schematically. In individual cases, this seal 26 can be adapted to the respective requirements, for example only be present in the corner area if the protective profiles 13 are not welded to one another.

Die Ausbildung der Abdeckung ist derart, daß das Schutzprofil 13 an seinem Außenumfang eben ausgebildet ist. Das ist hier im Hinblick auf die weitere konstruktive Ausbildung von die Isolierglasscheibe aufnehmenden Rahmen oder sonstigen Konstruktionen die neutralste Gestaltung, insbesondere auch die am wenigsten raumaufwendige.The design of the cover is such that the protective profile 13 is flat on its outer circumference. In view of the further structural design of frames or other constructions that receive the insulating glass pane, this is the most neutral design, in particular also the least space-consuming.

Im Brandfall wird die auf das Profil 13 einwirkende Energie zum Schmelzen des wärmesensiblen Profilwerkstoffs führen, so daß die Wärme Zutritt zum Baustoff 14 hat, der infolgedessen aufschmilzt und nach außen tritt, gegebenenfalls unter Wegräumen noch vorhandener Reste des geschmolzenen Schutzprofils 13.In the event of a fire, the energy acting on the profile 13 will lead to the melting of the heat-sensitive profile material, so that the heat has access to the building material 14, which consequently melts and emerges to the outside, possibly with the remaining residues of the melted protective profile 13 being cleared away.

Claims (9)

Abdeckung einer Isolierglasscheibe (10) im Kantenbereich (11), mit einem die Kanten (12) von Brandschutzglas umgreifenden Schutzprofil (13), das mit Abstandshalteleisten (15) zwischen die Glasscheiben (16,17) greift und das glasseitig angeordneten, im Brandfall aufschäumenden Baustoff (14) aufweist, dadurch gekennzeichnet, daß das Schutzprofil (13) aus im Brandfall wärmesensiblem Werkstoff besteht und mit den Abstandshalteleisten (15) an den Glasscheiben (16,17) anliegt, und daß der Werkstoff des Schutzprofils (13) eine Schmelztemperatur hat, die das Austreten des aufschäumenden Baustoffs (14) aus dem Bereich zwischen den Einzelglasscheiben (15,16) in den Zwischenraum zwischen den Außenumfang der Isolierglasscheibe (10) und dessen Halteelement gestattet.Covering of an insulating glass pane (10) in the edge area (11), with a protective profile (13) encompassing the edges (12) of fire protection glass, which engages with spacing strips (15) between the glass panes (16, 17) and which is arranged on the glass side and foams in the event of a fire Building material (14), characterized in that the protective profile (13) consists of heat-sensitive material in the event of fire and rests with the spacer strips (15) on the glass panes (16, 17), and that the material of the protective profile (13) has a melting temperature , which allows the foaming building material (14) to emerge from the area between the individual glass panes (15, 16) into the space between the outer circumference of the insulating glass pane (10) and its holding element. Abdeckung nach Anspruch 1, dadurch gekennzeichnet, daß das Schutzprofil (13) an den Baustoff (14) direkt angrenzt.Cover according to claim 1, characterized in that the protective profile (13) directly adjoins the building material (14). Abdeckung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Schutzprofil (13) und der Baustoff (14) zu einer Handhabungseinheit zusammengebaut sind.Cover according to claim 1 or 2, characterized in that the protective profile (13) and the building material (14) are assembled to form a handling unit. Abdeckung nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Zwischenraum (18) zwischen zwei Abstandshalteleisten (15) mit aufschäumendem Baustoff (14) ausgefüllt ist.Cover according to one or more of claims 1 to 3, characterized in that the intermediate space (18) between two spacing strips (15) is filled with foaming building material (14). Abdeckung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zwischen die beiden freien Enden (19,20) der Abstandshalteleisten (15) eine den Baustoff (14) verkleidende Abdeckung (21) bedarfsweise einstückig eingebaut ist.Cover according to one or more of claims 1 to 4, characterized in that a cover (21) cladding the building material (14) is, if necessary, installed in one piece between the two free ends (19, 20) of the spacing strips (15). Abdeckung nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Scheibenzwischenraum (27) gegen das Schutzprofil (13) profilnah abgedichtet ist.Cover according to one or more of claims 1 to 5, characterized in that the space between the panes (27) is sealed against the protective profile (13) close to the profile. Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Schutzprofil (13) unmittelbar an den Glasstirnflächen (22) anliegt und eine ebene Außenfläche (24) aufweist.Device according to one or more of claims 1 to 6, characterized in that the protective profile (13) bears directly on the glass end faces (22) and has a flat outer surface (24). Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß das Schutzprofil (13) die Außenkanten (23) der Glasstirnflächen (22) umgreift.Device according to claim 7, characterized in that the protective profile (13) engages around the outer edges (23) of the glass end faces (22). Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Schmelztemperatur des Schutzprofils (13) niedriger als die Aufschäumtemperatur des Baustoffs (14) ist.Device according to one or more of claims 1 to 8, characterized in that the melting temperature of the protective profile (13) is lower than the foaming temperature of the building material (14).
EP95120176A 1994-12-28 1995-12-20 Edge covering of an insulating glass panel Ceased EP0721047A1 (en)

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DE9420810U DE9420810U1 (en) 1994-12-28 1994-12-28 Covering an insulating glass pane in the edge area
DE9420810U 1994-12-28

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EP1020605A3 (en) * 1999-01-18 2001-12-05 GEZE Glas Design GmbH Frameless glass-wing as the movable or fixed wing of a door, window, facade or glass wall
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EP2808163B1 (en) * 2012-04-11 2017-12-27 Li Qiu Composite fireproof glass and manufacturing method thereof
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EP1020605A3 (en) * 1999-01-18 2001-12-05 GEZE Glas Design GmbH Frameless glass-wing as the movable or fixed wing of a door, window, facade or glass wall
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EP3165700A1 (en) 2015-11-05 2017-05-10 HÖRMANN Eckelhausen Fire safety glass filling device, ventilation device which can be used within same and method for filling fire safety glasses
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PL422667A1 (en) * 2017-08-28 2019-03-11 Polflam Spółka Z Ograniczoną Odpowiedzialnosćią Flameproof glass panel

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