EP2987938B1 - Joint structure of a fire retardant glazing - Google Patents

Joint structure of a fire retardant glazing Download PDF

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Publication number
EP2987938B1
EP2987938B1 EP15172238.6A EP15172238A EP2987938B1 EP 2987938 B1 EP2987938 B1 EP 2987938B1 EP 15172238 A EP15172238 A EP 15172238A EP 2987938 B1 EP2987938 B1 EP 2987938B1
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EP
European Patent Office
Prior art keywords
fire
glass
panes
resistant
door
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EP15172238.6A
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German (de)
French (fr)
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EP2987938A1 (en
Inventor
Günter Wiedemann
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Etex Building Performance GmbH
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Etex Building Performance GmbH
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Publication of EP2987938A1 publication Critical patent/EP2987938A1/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
    • E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
    • 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
    • E06B5/02—Doors, windows, or like closures for special purposes; Border constructions therefor for out-buildings or cellars; Other simple closures not designed to be close-fitting
    • E06B5/025—Provisional closures, e.g. temporary security doors

Definitions

  • the invention relates to fire protection glazing to prevent the passage of fire and smoke in the event of a fire from one room to another with at least three glass surfaces consisting of fire protection panes and arranged next to one another, one of which is designed as a stop door at least partially as a profile-free glass environment.
  • the fire protection panes have glass panes spaced apart from one another by means of an edge bond, and the space between the glass panes enclosed by the edge bond is filled with a fire protection gel, and wherein the edge bond of the glass door and the edge bond of the fire protection panes in the region of the abutting edges directly adjacent to the glass door to form a groove inside, in which groove a strip of intumescent material is inserted, which carries a seal.
  • Such fire protection glazing are from the EP 2 581 538 A2 and EP 2 754 830 A2 known.
  • the fire protection glazing has three glass surfaces consisting of fire protection panes and arranged next to one another, a glass door designed as a stop door being provided in the inner glass surface, above which an upper fixed element (skylight) made of a fire protection pane is arranged.
  • a fixed side element is provided on the right side of the glass door and a stop element for the glass door is provided on the left side.
  • the lateral fixed element and the stop element extend over the entire height of the respective glass surfaces.
  • a profile strip made of intumescent material is inserted in the groove formed between the abutting edges of the glass panes and the edge bond, which foams in the event of fire and the corresponding joint closes.
  • a sealing groove is formed in the profile strip assigned to the glass door, into which a lip seal is inserted.
  • the invention has for its object to avoid the disadvantages mentioned to improve the fire protection properties of fire protection glazing of the type mentioned, to facilitate the assembly of the glass door in the profile-free glass environment and to ensure the trouble-free opening and closing movement of the door without expensive adjustment and readjustment measures.
  • the object is achieved according to the invention in that only in the area of the side abutting edges of the fire protection panes adjacent to the stop side of the glass door is one of the glass panes springing back relative to the other glass pane to form interlocking step folds, while all the remaining abutting edges of the fire protection panes are formed without a step fold , and that the joints between adjoining fire protection panes are tightly closed by a sealing arrangement in the closed state of the glass door, which consists of cantilevered, overlapping and interacting seals protruding into the respective joint from the adjacent fire protection panes.
  • Each seal preferably consists of a tubular hollow chamber seal anchored in the strip made of intumescent material with spring hooks, which in the closed state of the glass door produces the seal of the joint under compression with the hollow chamber seal arranged opposite.
  • the seals with their tubular hollow chambers face each other into the free space of the butt joint, come into contact with one another under pressure deformation and, together with the intumescent material that foams into the joint in the event of fire, create the complete joint seal.
  • the glass door can also be a double door with two leaves and a center stop.
  • the step fold formation provided only on the vertical joint of the center stop between the adjacent glass surfaces in combination with the double seals closing all joints ensures an improved smoke and fire protection effect.
  • the fact that all other joints that are present with adjacent fixed glass surfaces of the glass environment are realized without a rebate formation means that simple installation without complex adjustment and readjustment work is ensured.
  • a skylight in the form of a fire protection pane is arranged above the glass door, the butt joint there being designed according to the invention without a step fold but with a double seal.
  • the invention provides that the seals that protrude into the associated joint, overlap one another and thus interact with one another represent a double seal arrangement which closes the joint in a smoke-tight manner when the glass door is closed, preferably with non-positive locking.
  • FIG. 1 A fire protection glazing 1 according to the invention for preventing the passage of fire and smoke in the event of fire from one room to another is shown in a top view.
  • the fire protection glazing 1 has three glass surfaces A, B, C consisting of fire protection panes 2 and arranged next to one another, a glass door 3 being provided in the inner glass surface B, above which an upper fixed element 4 (skylight) made of a fire protection pane 2 is arranged.
  • On the right side of the glass door a lateral fixed element 5 and on the left side a stop element 6 are provided - each in the form of a fire protection window 2.
  • the lateral fixed element 5 and the stop element 6 extend over the entire height of the respective glass surfaces A, C. Between the abutting edges of firmly arranged fire protection panes 2 are joints which are filled with a silicone compound.
  • the glass door 3 provided in the inner glass surface B is designed as a stop door and is held directly and pivotably on the fire protection pane 2 of the lateral fixed element 5 or in the floor by means of two hinge bands 7, 8.
  • the upper fixed element 4 is fixed to the lateral fixed element 5 and the stop element 6 by means of an angled connecting element 9, 10 (corner bracket).
  • the glass door 3 is further provided with a lock case 11 which has a closing facial expression which interacts with a stop case 12 on the stop element 6, as a result of which the glass door 3 can be locked and unlocked.
  • Fig. 2 shows a fire protection glazing of the type and design described, but in which, however, a glass door in the form of a double door 13 with two door leaves 14, 15 is provided in the inner glass surface B, the door leaf 14 of the swivel leaf and the door leaf 15 of the passive leaf in the in the drawing illustrated embodiment is.
  • the door leaf 14 represents a stop door with a central stop on the passive leaf 15, the specific design of the vertical stop joint 16 in the two exemplary embodiments according to Fig. 1 and Fig. 2 is identical and based on the Fig. 3 the drawing (section AA) is explained in more detail below.
  • Each fire protection pane 2 consists of two glass panes 2a, 2b spaced apart from one another and made of single-pane safety glass by means of an edge bond made of polyurethane. The space enclosed by the glass panes 2a, 2b and the edge bond 17 is filled with a fire protection gel 18.
  • the fire protection gel 18 is produced, for example, as a hydrogel from an NHCL / MGCL 2 salt solution with the addition of polymerizable compounds before filling between the glass panes 2a, 2b or is generated in situ between the glass panes 2a, 2b by the above-mentioned components mixed together and inserted directly into the cavity between the glass panes 2a, 2b.
  • the polymerization to the hydrogel then takes place in the cavity 18 between the glass panes 2a, 2b which is now filled with the mixture.
  • butt joints 19 are present on the edge side, which cannot be closed firmly by a silicone seal due to the opening and closing movements of the door leaves are, as is the case with the butt joints on fire protection glazing, which are located between fixed elements.
  • the glass door is closed, however, it is necessary to seal such butt joints 19 from one room to another in order to avoid the passage of fire and smoke in the event of a fire.
  • Fig. 4 the drawing of the edge assembly 17 of the glass door 3 and the edge assembly of the fire protection panes in the region of the abutting edges, which directly adjoin the glass door 3 to the surrounding fixed elements, forming a groove offset inwards.
  • strips 20 of intumescent material are arranged, in particular glued, in the grooves formed in this way, covering the edge bond, which foam up in the event of a fire and close the butt joints 19.
  • the butt joints 19 are sealed by a sealing arrangement in the closed state of the glass door 3, which consists of overlapping and interacting seals 21, 22 projecting into the respective butt joint 19.
  • a sealing arrangement in the closed state of the glass door 3, which consists of overlapping and interacting seals 21, 22 projecting into the respective butt joint 19.
  • Fig. 5 the drawing around tubular hollow chamber seals 23 which, in the closed state of the glass door 3, produce the seal of the butt joint 19 under mutual compression deformation.
  • the hollow chamber seals 23 extend towards one another into the free space of the butt joint 19, so that the hollow tubes 3 lie tightly against one another with their hollow tubes and do not impair the movement of the door leaf and ensure a secure seal under compression deformation.
  • the hollow chamber seals are anchored to them formed spring hook strips 24 in the associated strip 20 made of intumescent material.
  • the modified design of the vertical stop joint 16 is in Fig. 3 the drawing.
  • the illustration shows that in the area of the stop side of the glass door, the abutting edges of adjacent fire protection panes are designed in the form of interlocking step folds 25, 26.
  • one of the glass panes forming a fire protection pane 2 is arranged to spring back in relation to the other glass pane in order to form a step fold.
  • the first 2a of the glass panes is set back in relation to the second 2b to form the step fold 26 there.
  • the second 2b glass pane is arranged opposite the first 2a to form the corresponding step fold 25.
  • it is provided, as described below, to offset the edge bond 17 in each case in order to form a groove, in each of which a strip of an intumescent material 20 is inserted which, as described above, carries a sealing arrangement with hollow chamber seals 23.

Description

Die Erfindung betrifft eine Brandschutzverglasung zur Vermeidung des Durchtritts von Feuer und Rauch im Brandfall von einem Raum in einen anderen mit zumindest drei aus Brandschutzscheiben bestehenden und nebeneinander angeordneten Glasflächen, von denen eine zumindest teilweise als profilfrei im Glasumfeld gehaltene Glastür in Form einer Anschlagtür ausgebildet ist, wobei die Brandschutzscheiben mittels eines Randverbunds parallel voneinander beabstandete Glasscheiben aufweisen und der vom Randverbund eingeschlossene Raum zwischen den Glasscheiben mit einem Brandschutzgel gefüllt ist und wobei der Randverbund der Glastür sowie der Randverbund der Brandschutzscheiben im Bereich der unmittelbar an die Glastür angrenzenden Stoßkanten unter Ausbildung einer Nut nach innen versetzt sind, in welche Nut ein Streifen eines intumeszierenden Materials eingesetzt ist, das eine Dichtung trägt.The invention relates to fire protection glazing to prevent the passage of fire and smoke in the event of a fire from one room to another with at least three glass surfaces consisting of fire protection panes and arranged next to one another, one of which is designed as a stop door at least partially as a profile-free glass environment. wherein the fire protection panes have glass panes spaced apart from one another by means of an edge bond, and the space between the glass panes enclosed by the edge bond is filled with a fire protection gel, and wherein the edge bond of the glass door and the edge bond of the fire protection panes in the region of the abutting edges directly adjacent to the glass door to form a groove inside, in which groove a strip of intumescent material is inserted, which carries a seal.

Derartige Brandschutzverglasungen sind aus der EP 2 581 538 A2 und EP 2 754 830 A2 bekannt.Such fire protection glazing are from the EP 2 581 538 A2 and EP 2 754 830 A2 known.

Gemäß dem darin beschriebenen Ausführungsbeispiel weist die Brandschutzverglasung drei aus Brandschutzscheiben bestehende und nebeneinander angeordnete Glasflächen auf, wobei in der inneren Glasfläche eine als Anschlagtür ausgebildete Glastür vorgesehen ist, über der ein oberes Festelement (Oberlicht) aus einer Brandschutzscheibe angeordnet ist. Auf der rechten Seite der Glastür ist ein seitliches Festelement und auf der linken Seite ein Anschlagelement für die Glastür vorgesehen. Das seitliche Festelement und das Anschlagelement erstrecken sich über die gesamte Höhe der jeweiligen Glasflächen.According to the exemplary embodiment described therein, the fire protection glazing has three glass surfaces consisting of fire protection panes and arranged next to one another, a glass door designed as a stop door being provided in the inner glass surface, above which an upper fixed element (skylight) made of a fire protection pane is arranged. A fixed side element is provided on the right side of the glass door and a stop element for the glass door is provided on the left side. The lateral fixed element and the stop element extend over the entire height of the respective glass surfaces.

Mit der Zielsetzung, den Durchtritt von Feuer und Rauch im Brandfall durch die Brandschutzverglasung von einen Raum in einen anderen Raum zu vermeiden, ist vorgesehen, dass im Bereich der seitlichen und oberen Stoßkanten der Glastür die eine der Glasscheiben gegenüber der zweiten zur Ausbildung eines Stufenfalzes zurückspringt, wobei in der zwischen den Stoßkanten der Glasscheiben und dem Randverbund ausgebildeten Nut ein Profilstreifen aus Intumeszenzmaterial eingesetzt ist, der im Brandfall aufschäumt und die entsprechende Fuge verschließt. In dem der Glastür zugeordneten Profilstreifen ist eine Dichtungsnut ausgebildet, in die eine Lippendichtung gesteckt ist.With the objective of preventing fire and smoke from passing through the fire protection glazing from one room to another in the event of a fire, it is provided that in the area of the side and upper abutting edges of the glass door, one of the glass panes springs back against the second to form a step fold , a profile strip made of intumescent material is inserted in the groove formed between the abutting edges of the glass panes and the edge bond, which foams in the event of fire and the corresponding joint closes. A sealing groove is formed in the profile strip assigned to the glass door, into which a lip seal is inserted.

Nachteilig ist bei dieser Konstruktion, dass an allen die Glastür umgebenden Fugen zu benachbarten Brandschutzscheiben derartige Stufenfalze vorgesehen sind, wodurch die Montage der Glastür im profilfreien Glasumfeld einerseits und die Sicherstellung einer berührungsfreien Öffnungs- und Schließbewegung der Tür andererseits nur durch aufwendige Justiermaßnahmen und Nachjustierungen gewährleistet und damit kompliziert ist. Darüber hinaus ist nachteilig, dass die in die Dichtungsnut des Profilstreifens gesteckte Lippendichtung nur einseitig in jeder Fuge vorgesehen ist und dadurch die Brandschutzeigenschaften beeinträchtigt sind.The disadvantage of this construction is that such rebates are provided on all the joints surrounding the glass door to neighboring fire protection panes, which means that the installation of the glass door in the profile-free glass environment on the one hand and the ensuring of a contact-free opening and closing movement of the door on the other hand only through complex adjustment measures and readjustments so complicated. A further disadvantage is that the lip seal inserted into the sealing groove of the profile strip is only provided on one side in each joint and the fire protection properties are thereby impaired.

Der Erfindung liegt die Aufgabe zugrunde, unter Meidung genannter Nachteile die Brandschutzeigenschaften einer Brandschutzverglasung der eingangs genannten Art zu verbessern, die Montage der Glastür im profilfreien Glasumfeld zu erleichtern und die störungsfreie Öffnungs- und Schließbewegung der Tür ohne aufwendige Justierungs- und Nachjustierungsmaßnahmen sicherzustellen.The invention has for its object to avoid the disadvantages mentioned to improve the fire protection properties of fire protection glazing of the type mentioned, to facilitate the assembly of the glass door in the profile-free glass environment and to ensure the trouble-free opening and closing movement of the door without expensive adjustment and readjustment measures.

Die Aufgabe ist erfindungsgemäß dadurch gelöst, dass ausschließlich im Bereich der die Anschlagseite der Glastür bildenden seitlichen Stoßkanten der dort benachbarten Brandschutzscheiben jeweils eine der Glasscheiben gegenüber der anderen Glasscheibe zur Ausbildung ineinander greifender Stufenfalze zurückspringend angeordnet ist, während sämtliche verbleibenden Stoßkanten der Brandschutzscheiben ohne Stufenfalz ausgebildet sind, und dass die Fugen zwischen aneinander grenzenden Brandschutzscheiben durch eine Dichtungsanordnung im Schließzustand der Glastür dicht verschlossen sind, die aus in die jeweilige Fuge aus den benachbarten Brandschutzscheiben vorkragenden, einander überlappenden und zusammenwirkenden Dichtungen besteht. Durch die Kombination dieser Merkmale ist sichergestellt, dass bei verbesserten Brandschutzeigenschaften aufgrund der besonderen Dichtungsanordnungen eine einfache Montage der Glastür im Glasumfeld dadurch ermöglicht ist, dass anschlagbildenden Stufenfalze ausschließlich im Bereich der die Anschlagseite der Glastür bildenden seitlichen Stoßkanten der dort benachbarten Brandschutzscheiben vorgesehen sind und zusätzlich sämtliche Fugen der Glastür im Glasumfeld durch die besondere Dichtungsanordnung in Form einer Doppeldichtung gegen den Durchtritt von Feuer und Rauch im Brandfall geschützt sind.The object is achieved according to the invention in that only in the area of the side abutting edges of the fire protection panes adjacent to the stop side of the glass door is one of the glass panes springing back relative to the other glass pane to form interlocking step folds, while all the remaining abutting edges of the fire protection panes are formed without a step fold , and that the joints between adjoining fire protection panes are tightly closed by a sealing arrangement in the closed state of the glass door, which consists of cantilevered, overlapping and interacting seals protruding into the respective joint from the adjacent fire protection panes. The combination of these features ensures that with improved fire protection properties due to the special sealing arrangements, a simple installation of the glass door in the glass environment is made possible by the fact that stop-forming step folds are provided only in the area of the side abutting edges of the adjacent fire protection panes that form the stop side of the glass door and additionally all of them Joints of the glass door in the glass environment are protected against the passage of fire and smoke in the event of fire by the special sealing arrangement in the form of a double seal.

Vorzugsweise besteht jede Dichtung aus einer in dem Streifen aus Intumeszenzmaterial mit Federhaken verankerten schlauchförmigen Hohlkammerdichtung, die im Schließzustand der Glastür die Abdichtung der Fuge unter Pressverformung mit der gegenüberliegend angeordneten Hohlkammerdichtung herstellt. Somit erstrecken sich die Dichtungen mit ihren schlauchförmigen Hohlkammern gegeneinander gerichtet in den Freiraum der Stoßfuge hinein, berühren sich unter Pressverformung kraftschlüssig und stellen gemeinsam mit dem im Brandfall in die Fuge hinein aufschäumenden intumeszierenden Material die vollständige Fugenabdichtung her.Each seal preferably consists of a tubular hollow chamber seal anchored in the strip made of intumescent material with spring hooks, which in the closed state of the glass door produces the seal of the joint under compression with the hollow chamber seal arranged opposite. Thus, the seals with their tubular hollow chambers face each other into the free space of the butt joint, come into contact with one another under pressure deformation and, together with the intumescent material that foams into the joint in the event of fire, create the complete joint seal.

Die Glastür kann auch eine Doppeltür mit zwei Flügeln und Mittenanschlag sein. Bei dieser Ausführungsform der Erfindung ist durch die ausschließlich an der senkrechten Fuge des Mittenanschlags zwischen den benachbarten Glasflächen vorgesehene Stufenfalzausbildung in Kombination mit den sämtliche Fugen verschließenden Doppeldichtungen eine verbesserte Rauch- und Feuerschutzwirkung sichergestellt. Dadurch dass sämtliche weiteren Fugen, die zu angrenzenden feststehenden Glasflächen des Glasumfelds vorhanden sind, ohne Stufenfalzausbildung verwirklicht sind, ist eine einfache Montage ohne aufwendige Justierungs- und Nachjustierungsarbeiten gewährleistet.The glass door can also be a double door with two leaves and a center stop. In this embodiment of the invention, the step fold formation provided only on the vertical joint of the center stop between the adjacent glass surfaces in combination with the double seals closing all joints ensures an improved smoke and fire protection effect. The fact that all other joints that are present with adjacent fixed glass surfaces of the glass environment are realized without a rebate formation means that simple installation without complex adjustment and readjustment work is ensured.

Gemäß einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass über der Glastür ein Oberlicht in Form einer Brandschutzscheibe angeordnet ist, wobei die dortige Stoßfuge erfindungsgemäß ohne Stufenfalz, jedoch mit Doppeldichtung ausgebildet ist.According to a further embodiment of the invention it is provided that a skylight in the form of a fire protection pane is arranged above the glass door, the butt joint there being designed according to the invention without a step fold but with a double seal.

Generell ist mit der Erfindung vorgesehen, dass die in die zugehörige Fuge hineinragenden, einander überlappenden und somit zusammenwirkenden Dichtungen eine Doppeldichtungsanordnung darstellen, die die Fuge rauchdicht im Schließzustand der Glastür, vorzugsweise unter Kraftschluss, verschließt.In general, the invention provides that the seals that protrude into the associated joint, overlap one another and thus interact with one another represent a double seal arrangement which closes the joint in a smoke-tight manner when the glass door is closed, preferably with non-positive locking.

Zusammenfassend ergibt die erfindungsgemäße Lösung der zugrundeliegende Aufgabe, dass an einer Brandschutzverglasung, die vollkommen auf in oder vor der Glasfläche befindliche tragende Profile oder Zargen aus Holz oder Metall verzichtet, an einer integrierten Glastür verbesserte Rauchschutz- und Brandschutzeigenschaften bei einfacherer Konstruktion, Montage und verringertem Wartungsaufwand verwirklicht sind. Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer in der Zeichnung dargestellten bevorzugten Ausführungsform einer erfindungsgemäßen Brandschutzverglasung. In der Zeichnung zeigt:

Fig. 1
eine Brandschutzverglasung mit integrierter Glastür in Draufsicht,
Fig. 2
eine Brandschutzverglasung mit einer zweiflügeligen Glastür in Draufsicht,
Fig. 3
eine ausschnittsweise Vergrößerung eines Bereichs entlang der Schnittlinie A-A der Fig. 1 und 2,
Fig. 4
eine ausschnittsweise Vergrößerung eines Bereichs entlang der Schnittlinie B-B der Fig. 1 und 2 und
Fig. 5
eine ausschnittsweise Vergrößerung einer Verankerung einer schlauchförmigen Hohlkammerdichtung in einem Streifen aus intumeszierenden Material.
In summary, the solution according to the invention of the underlying object shows that on fire protection glazing which completely dispenses with supporting profiles or frames made of wood or metal located in or in front of the glass surface, on an integrated glass door improved smoke protection and fire protection properties with simpler construction, assembly and reduced maintenance are realized. Further details, features and advantages of the invention result from the following description of a preferred embodiment of a fire protection glazing according to the invention shown in the drawing. The drawing shows:
Fig. 1
top view of fire protection glazing with integrated glass door,
Fig. 2
fire protection glazing with a double-leaf glass door in top view,
Fig. 3
a partial enlargement of an area along the section line AA of the Fig. 1 and 2nd ,
Fig. 4
a partial enlargement of an area along the section line BB of Fig. 1 and 2nd and
Fig. 5
a partial enlargement of an anchoring of a tubular hollow chamber seal in a strip of intumescent material.

In Fig. 1 ist eine erfindungsgemäße Brandschutzverglasung 1 zur Vermeidung des Durchtritts von Feuer und Rauch im Brandfall von einem Raum in einen anderen in Draufsicht dargestellt. Die Brandschutzverglasung 1 weist drei aus Brandschutzscheiben 2 bestehende und nebeneinander angeordnete Glasflächen A, B, C auf, wobei in der inneren Glasfläche B eine Glastür 3 vorgesehen ist, über der ein oberes Festelement 4 (Oberlicht) aus einer Brandschutzscheibe 2 angeordnet ist. Auf der rechten Seite der Glastür ist ein seitliches Festelement 5 und auf der linken Seite ein Anschlagelement 6 vorgesehen - jeweils in Form einer Brandschutzscheibe 2. Das seitliche Festelement 5 und das Anschlagelement 6 erstrecken sich über die gesamte Höhe der jeweiligen Glasflächen A, C. Zwischen den Stoßkanten von fest zueinander angeordneten Brandschutzscheiben 2 sind Fugen ausgebildet, die mit einer Silikonmasse verfüllt sind.In Fig. 1 A fire protection glazing 1 according to the invention for preventing the passage of fire and smoke in the event of fire from one room to another is shown in a top view. The fire protection glazing 1 has three glass surfaces A, B, C consisting of fire protection panes 2 and arranged next to one another, a glass door 3 being provided in the inner glass surface B, above which an upper fixed element 4 (skylight) made of a fire protection pane 2 is arranged. On the right side of the glass door a lateral fixed element 5 and on the left side a stop element 6 are provided - each in the form of a fire protection window 2. The lateral fixed element 5 and the stop element 6 extend over the entire height of the respective glass surfaces A, C. Between the abutting edges of firmly arranged fire protection panes 2 are joints which are filled with a silicone compound.

Die in der inneren Glasfläche B vorgesehene Glastür 3 ist als Anschlagtür ausgebildet und mittels zweier Scharnierbändern 7, 8 an der Brandschutzscheibe 2 des seitlichen Festelements 5 beziehungsweise im Boden unmittelbar und verschwenkbar gehalten. Das obere Festelement 4 ist an dem seitlichen Festelement 5 und dem Anschlagelement 6 mittels jeweils eines gewinkelten Verbindungselements 9, 10 (Eckhalter) fixiert.The glass door 3 provided in the inner glass surface B is designed as a stop door and is held directly and pivotably on the fire protection pane 2 of the lateral fixed element 5 or in the floor by means of two hinge bands 7, 8. The upper fixed element 4 is fixed to the lateral fixed element 5 and the stop element 6 by means of an angled connecting element 9, 10 (corner bracket).

Die Glastür 3 ist weiterhin mit einem Schlosskasten 11 versehen, der eine Schließmimik aufweist, welche mit einem Anschlagkasten 12 an dem Anschlagelement 6 zusammenwirkt, wodurch die Glastür 3 ver- und entriegelt werden kann.The glass door 3 is further provided with a lock case 11 which has a closing facial expression which interacts with a stop case 12 on the stop element 6, as a result of which the glass door 3 can be locked and unlocked.

Fig. 2 zeigt eine Brandschutzverglasung der beschriebenen Art und Ausgestaltung, bei der jedoch in der inneren Glasfläche B eine Glastür in Form einer Doppeltür 13 mit zwei Türflügeln 14, 15 vorgesehen ist, wobei der Türflügel 14 der Schwenkflügel und der Türflügel 15 der Standflügel bei dem in der Zeichnung dargestellten Ausführungsbeispiel ist. Der Türflügel 14 stellt eine Anschlagtür mit Mittenanschlag am Standflügel 15 dar, wobei die spezifische Ausbildung der senkrechten Anschlagfuge 16 in den beiden Ausführungsbeispielen gemäß Fig. 1 und Fig. 2 identisch ist und anhand der Fig. 3 der Zeichnung (Schnitt A-A) im Weiteren näher erläutert ist. Fig. 2 shows a fire protection glazing of the type and design described, but in which, however, a glass door in the form of a double door 13 with two door leaves 14, 15 is provided in the inner glass surface B, the door leaf 14 of the swivel leaf and the door leaf 15 of the passive leaf in the in the drawing illustrated embodiment is. The door leaf 14 represents a stop door with a central stop on the passive leaf 15, the specific design of the vertical stop joint 16 in the two exemplary embodiments according to Fig. 1 and Fig. 2 is identical and based on the Fig. 3 the drawing (section AA) is explained in more detail below.

Fig. 3 und 4 zeigen in Schnittdarstellung den grundsätzlichen Aufbau der in der Brandschutzverglasung der Fig. 1 und 2 verwendeten Brandschutzscheiben 2. Jede Brandschutzscheibe 2 besteht aus zwei parallel zueinander mittels eines Randverbunds aus Polyurethan voneinander beabstandeten Glasscheiben 2a, 2b aus Einscheibensicherheitsglas. Der von den Glasscheiben 2a, 2b und dem Randverbund 17 eingeschlossene Raum ist mit einem Brandschutzgel 18 gefüllt. Das Brandschutzgel 18 wird beispielsweise als Hydrogel aus einer NHCL/MGCL2 Salzlösung unter Zugabe polymerisierbarer Verbindungen vor dem Einfüllen zwischen den Glasscheiben 2a, 2b hergestellt oder in situ zwischen den Glasscheiben 2a, 2b erzeugt, indem die oben genannten Komponenten miteinander vermischt und direkt in den Hohlraum zwischen den Glasscheiben 2a, 2b eingefügt werden. Die Polymerisation zum Hydrogel erfolgt dann im nun mit der Mischung ausgefüllten Hohlraum 18 zwischen den Glasscheiben 2a, 2b. 3 and 4 show in a sectional view the basic structure of the fire protection glazing Fig. 1 and 2nd used fire protection panes 2. Each fire protection pane 2 consists of two glass panes 2a, 2b spaced apart from one another and made of single-pane safety glass by means of an edge bond made of polyurethane. The space enclosed by the glass panes 2a, 2b and the edge bond 17 is filled with a fire protection gel 18. The fire protection gel 18 is produced, for example, as a hydrogel from an NHCL / MGCL 2 salt solution with the addition of polymerizable compounds before filling between the glass panes 2a, 2b or is generated in situ between the glass panes 2a, 2b by the above-mentioned components mixed together and inserted directly into the cavity between the glass panes 2a, 2b. The polymerization to the hydrogel then takes place in the cavity 18 between the glass panes 2a, 2b which is now filled with the mixture.

Zwischen den die Glastür 3 bzw. 13 bildenden Brandschutzscheiben 2 und den angrenzenden, Festelemente bildenden Brandschutzscheiben 2 der Glasflächen A, B (Oberlicht) und C sind Stoßfugen 19 kantenseitig vorhanden, die wegen der Öffnungs- und Schließbewegungen der Türflügel nicht fest durch eine Silikonversiegelung verschließbar sind, wie dies an den Stoßfugen an Brandschutzverglasungen der Fall ist, die sich zwischen Festelementen befinden. Bei geschlossener Glastür ist es aber erforderlich, derartige Stoßfugen 19 zur Vermeidung des Durchtritts von Feuer und Rauch im Brandfall von einem Raum in einen anderen Raum dicht zu verschließen.Between the fire protection panes 2 forming the glass door 3 and 13 and the adjacent fire protection panes 2 of the glass surfaces A, B (skylight) and C forming fixed elements, butt joints 19 are present on the edge side, which cannot be closed firmly by a silicone seal due to the opening and closing movements of the door leaves are, as is the case with the butt joints on fire protection glazing, which are located between fixed elements. When the glass door is closed, however, it is necessary to seal such butt joints 19 from one room to another in order to avoid the passage of fire and smoke in the event of a fire.

Zu diesem Zweck ist gemäß Fig. 4 der Zeichnung der Randverbund 17 der Glastür 3 sowie der Randverbund der Brandschutzscheiben im Bereich der Stoßkanten, die unmittelbar an die Glastür 3 zu den umgebenden Festelementen angrenzen unter Ausbildung einer Nut nach innen versetzt. Hierdurch ist es möglich, in der durch das nach Innenversetzen des Randverbunds 17 geschaffenen Nut weitere den Brandschutz verbessernde Elemente unterzubringen. Gemäß den in der Zeichnung dargestellten Ausführungsbeispiel der Erfindung sind in den derart gebildeten Nuten, den Randverbund abdeckend, Streifen 20 aus Intumeszenzmaterial angeordnet, insbesondere verklebt, die im Brandfall aufschäumen und die Stoßfugen 19 verschließen. Zusätzlich werden die Stoßfugen 19 durch eine Dichtungsanordnung im Schließzustand der Glastür 3 dicht verschlossen, die aus in die jeweilige Stoßfuge 19 vorkragenden, einander überlappenden und zusammenwirkenden Dichtungen 21, 22 besteht. Hierbei handelt es sich gemäß Fig. 5 der Zeichnung um schlauchförmige Hohlkammerdichtungen 23, die im Schließzustand der Glastür 3 die Abdichtung der Stoßfuge 19 unter gegenseitiger Pressverformung herstellen. Hierzu erstrecken sich die Hohlkammerdichtungen 23 gegeneinander gerichtet in den Freiraum der Stoßfuge 19 hinein, so dass sich ohne Beeinträchtigung der Bewegung des Türblatts im Schließzustand der Glastür 3 mit ihren Hohlschläuchen dicht aneinander liegen und unter Pressverformung eine sichere Abdichtung gewährleisten. Die Verankerung der Hohlkammerdichtungen erfolgt durch an ihnen ausgebildete Federhakenleisten 24 im zugehörigen Streifen 20 aus Intumeszenzmaterial.For this purpose, according to Fig. 4 the drawing of the edge assembly 17 of the glass door 3 and the edge assembly of the fire protection panes in the region of the abutting edges, which directly adjoin the glass door 3 to the surrounding fixed elements, forming a groove offset inwards. This makes it possible to accommodate further elements which improve the fire protection in the groove created after the inner offset of the edge composite 17. According to the exemplary embodiment of the invention shown in the drawing, strips 20 of intumescent material are arranged, in particular glued, in the grooves formed in this way, covering the edge bond, which foam up in the event of a fire and close the butt joints 19. In addition, the butt joints 19 are sealed by a sealing arrangement in the closed state of the glass door 3, which consists of overlapping and interacting seals 21, 22 projecting into the respective butt joint 19. This is according to Fig. 5 the drawing around tubular hollow chamber seals 23 which, in the closed state of the glass door 3, produce the seal of the butt joint 19 under mutual compression deformation. For this purpose, the hollow chamber seals 23 extend towards one another into the free space of the butt joint 19, so that the hollow tubes 3 lie tightly against one another with their hollow tubes and do not impair the movement of the door leaf and ensure a secure seal under compression deformation. The hollow chamber seals are anchored to them formed spring hook strips 24 in the associated strip 20 made of intumescent material.

Die demgegenüber modifizierte Ausbildung der senkrechten Anschlagsfuge 16 ist in Fig. 3 der Zeichnung dargestellt. Die Darstellung zeigt, dass im Bereich der Anschlagseite der Glastür die dortigen Stoßkanten benachbarter Brandschutzscheiben in Form ineinander greifender Stufenfalze 25, 26 ausgebildet sind. Hierzu ist jeweils eine der eine Brandschutzscheibe 2 bildenden Glasscheiben gegenüber der anderen Glasscheibe zurückspringend angeordnet, um einen Stufenfalz zu bilden. An der Glastür 3 der in Fig. 1 der dargestellten Ausführungsform bzw. dem Türflügel 14 der in Fig. 2 der Zeichnung dargestellten Ausführungsform ist die erste 2a der Glasscheiben gegenüber der zweiten 2b zur Ausbildung des dortigen Stufenfalzes 26 zurückspringend angeordnet. An der die Glasfläche A bildenden Brandschutzscheibe 2 gemäß der Fig. 1 der Zeichnung bzw. der Brandschutzscheibe des Standflügels 15 der Ausführungsform gemäß Fig. 2 der Zeichnung ist die zweite 2b Glasscheibe gegenüber der ersten 2a zur Ausbildung des korrespondierenden Stufenfalzes 25 angeordnet. Ergänzend ist wie folgt beschrieben vorgesehen, den Randverbund 17 jeweils nach innen zu versetzen, um eine Nut auszubilden, in welcher jeweils ein Streifen eines intumeszierenden Materials 20 eingesetzt ist, welcher - wie vorbeschrieben - eine Dichtungsanordnung mit Hohlkammerdichtungen 23 trägt.The modified design of the vertical stop joint 16 is in Fig. 3 the drawing. The illustration shows that in the area of the stop side of the glass door, the abutting edges of adjacent fire protection panes are designed in the form of interlocking step folds 25, 26. For this purpose, one of the glass panes forming a fire protection pane 2 is arranged to spring back in relation to the other glass pane in order to form a step fold. On the glass door 3 the in Fig. 1 of the illustrated embodiment or the door leaf 14 of the in Fig. 2 In the embodiment shown in the drawing, the first 2a of the glass panes is set back in relation to the second 2b to form the step fold 26 there. On the glass surface A forming fire 2 according to the Fig. 1 the drawing or the fire protection window of the passive leaf 15 according to the embodiment Fig. 2 In the drawing, the second 2b glass pane is arranged opposite the first 2a to form the corresponding step fold 25. In addition, it is provided, as described below, to offset the edge bond 17 in each case in order to form a groove, in each of which a strip of an intumescent material 20 is inserted which, as described above, carries a sealing arrangement with hollow chamber seals 23.

BezugszeichenlisteReference list

11
BrandschutzverglasungFire protection glazing
22nd
BrandschutzscheibenFire protection windows
2a2a
GlasscheibeGlass pane
2b2 B
GlasscheibeGlass pane
AA
GlasflächeGlass surface
BB
GlasflächeGlass surface
CC.
GlasflächeGlass surface
33rd
Glastürglass door
44th
OberlichtSkylight
55
seitliches Festelementlateral fixed element
66
AnschlagelementStop element
77
ScharnierbandHinge strap
88th
ScharnierbandHinge strap
99
EckhalterCorner bracket
1010th
EckhalterCorner bracket
1111
SchlosskastenLock case
1212th
AnschlagkastenStop box
1313
DoppeltürDouble door
1414
TürflügelDoor leaf
1515
TürflügelDoor leaf
1616
AnschlagfugeStop joint
1717th
RandverbundEdge bond
1818th
BrandschutzgelFire protection gel
1919th
StoßfugenButt joints
2020
Streifen aus IntumeszenzmaterialStrips of intumescent material
2121
Dichtungpoetry
2222
Dichtungpoetry
2323
HohlkammerdichtungenHollow chamber seals
2424th
FederhakenleistenSpring hook strips
2525th
StufenfalzStep fold
2626
StufenfalzStep fold

Claims (5)

  1. Fire-resistant glazing (1) for preventing the passage of fire and smoke in the event of fire from one room into another, having at least three glass surfaces (A, B, C) which are arranged side by side and consist of fire-resistant panes (2) and one of which (B) is designed at least in part as a glass door (3) held without protruding in the glass environment in the form of a hinged door, wherein the fire-resistant panes (2) have parallel glass panes (2a, 2b) spaced apart from one another by means of an edge seal (17) and the space between the glass panes (2a, 2b) enclosed by the edge seal (17) is filled with a fire-retardant gel (18), and wherein the edge seal (17) of the glass door (3) and the edge seal (17) of the fire-resistant panes (2) in the region of the abutting edges directly adjacent to the glass door (3) are offset inward such that a groove is formed, into which groove is inserted a strip (20) of a material that is intumescent in the event of fire and that bears a seal (21, 22), wherein, solely in the region of the lateral abutting edges of the adjacent fire-resistant panes (2) that form the hinged side (A-A) of the glass door (3), one of the glass panes (2a or 2b) is respectively arranged in a manner allowing recoil with respect to the other glass pane (2b or 2a) such that an interlocking stepped rabbet (25, 26) forming a stop is formed, while all other abutting edges (B-B) of the fire-resistant panes (2) are formed without a stepped rabbet,
    characterized in that
    when the glass door (3) is in the closed position, the joints between adjoining fire-resistant panes (2) are sealed tightly by means of a sealing arrangement which consists of seals (21, 22) which protrude into the respective joint out of the adjacent fire-resistant panes (2), overlap, and interact with one another.
  2. Fire-resistant glazing (1) according to Claim 1, characterized in that each seal (21, 22) consists of a tubular hollow seal (23) which is anchored in the strip (20) of intumescent material by a spring hook (24) and which, when the glass door (3) is in the closed position, seals the joint through compressive deformation with the hollow seal arranged opposite to it.
  3. Fire-resistant glazing according to Claim 1 or 2, characterized in that the glass door (3) is a double door with two leaves (14, 15) and a central stop, wherein corresponding stepped rabbets (25, 26) are solely provided at the vertical joint (16) of the central stop between the adjacent glass surfaces.
  4. Fire-resistant glazing (1) according to one of Claims 1 to 3, characterized in that a top light (4) in the form of a fire-resistant pane (2) is arranged above the glass door (3), wherein the glass joint (19) there is designed without a stepped rabbet but with a double seal (21, 22).
  5. Fire-resistant glazing (1) according to one of Claims 1 to 4, characterized in that the seals protruding into the associated joint, overlapping and thus interacting constitute a double sealing arrangement (21, 22) which seals the joint against smoke when the glass door is in the closed position, preferably through force fitting.
EP15172238.6A 2014-08-19 2015-06-16 Joint structure of a fire retardant glazing Active EP2987938B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014103842.6U DE202014103842U1 (en) 2014-08-19 2014-08-19 Joint formation of a fire-resistant glazing

Publications (2)

Publication Number Publication Date
EP2987938A1 EP2987938A1 (en) 2016-02-24
EP2987938B1 true EP2987938B1 (en) 2020-08-05

Family

ID=53498782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15172238.6A Active EP2987938B1 (en) 2014-08-19 2015-06-16 Joint structure of a fire retardant glazing

Country Status (2)

Country Link
EP (1) EP2987938B1 (en)
DE (1) DE202014103842U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202109408D0 (en) 2021-06-30 2021-08-11 Pilkington Group Ltd Fire-resistant glazing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0658677T3 (en) * 1993-12-14 1997-11-03 Promat Gmbh Fire Glass Window
DE19901737A1 (en) * 1999-01-18 2000-07-20 Geze Gmbh Frameless glass door panel has two or more parallel panes of glass with one pane thicker or made of different material than the other
EP2132393B1 (en) * 2007-03-15 2017-04-05 Vetrotech Saint-Gobain (International) AG Fire-protection composite glass for construction elements such as doors, walls, or windows
DE202011106510U1 (en) 2011-10-10 2011-12-01 Holzbau Schmid Gmbh & Co. Kg Non-profile fire-resistant glazing with stop door
DE202011106509U1 (en) * 2011-10-10 2011-12-01 Holzbau Schmid Gmbh & Co. Kg Non-profile fire-resistant glazing with door
DE202013100185U1 (en) * 2013-01-14 2014-04-15 Holzbau Schmid Gmbh & Co. Kg Non-profile fire-resistant glazing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE202014103842U1 (en) 2015-11-23
EP2987938A1 (en) 2016-02-24

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