EP0505934B1 - Glazed fire door - Google Patents
Glazed fire door Download PDFInfo
- Publication number
- EP0505934B1 EP0505934B1 EP92104847A EP92104847A EP0505934B1 EP 0505934 B1 EP0505934 B1 EP 0505934B1 EP 92104847 A EP92104847 A EP 92104847A EP 92104847 A EP92104847 A EP 92104847A EP 0505934 B1 EP0505934 B1 EP 0505934B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- fire
- fire protection
- profile
- glass door
- 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.)
- Expired - Lifetime
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Classifications
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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
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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
- 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
- E06B3/02—Wings made completely of glass
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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
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged doors or windows
- E06B3/365—Astragals for double doors
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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
- 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
- E06B3/70—Door leaves
- E06B2003/7059—Specific frame characteristics
- E06B2003/709—Frame parts being attached to both sides of the panel which extends till the door edge
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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
Definitions
- the invention relates to a glass door for fire protection purposes, in particular for use within 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 one fire protection pane containing a foaming agent as a protective agent, which is held by a pivotable door frame.
- the fire protection window which in the area of the vertical end faces of the fire protection window consists of two interconnected hollow profiles, which have no fire protection measures on the outside, and between which the fire protection window is held in its edge area, a narrow joint being formed in the area of the butt surface of the fire protection window
- the foaming agent of the fire protection screen closes it in a fire-proof and smoke-tight manner, and the heat transfer between the interconnected cavities occurs as a result of the cooling effect of the escaping foaming agent profiles reduced.
- Fire protection glazing is translucent components that are designed not only to prevent the spread of fire and smoke, but also to prevent the inadmissible transfer of heat in accordance with their fire resistance duration.
- Fire protection glazing is divided into different fire resistance classes, the respective requirements of which are explained in DIN 4102.
- a known fire protection glazing has fire protection panes which are constructed in multiple layers from glass panes with a fire protection layer arranged in between. In the event of a fire, the fire protection layer is activated. It absorbs heat radiation and forms a highly effective insulation layer. The originally transparent glazing creates a practically opaque fire protection wall.
- a known glass door for fire protection purposes has a steel frame construction which surrounds the inserted fire protection pane on all sides and is hinged to a door frame.
- the steel frame construction consists of an approximately 60mm wide steel hollow profile, on the inner edge of which the fire protection pane is attached via glass retaining strips.
- a further, but narrower designed hollow steel profile is fastened, which is provided with an angled portion which, when the glass door is closed, bears against an appropriately designed hollow steel profile of the door frame by means of an intermediate seal.
- the disadvantage of this known glass door is that it is constructed in a very complex manner. Because both the hinge side and the lock side, the glass door has a total of four hollow steel profiles, taking into account the glass retaining strips designed as steel tubes.
- a further disadvantage is that the cross sections of the hollow steel profiles form thermal bridges in the event of a fire, so that there are drawbacks in the fire protection properties in the frame area of such a glass door compared to the fire protection behavior of the other fire protection glazing.
- a glass door is therefore always the weakest component within the fire protection glazing system.
- Another known glass door for fire protection uses a two-part steel frame construction in which the space between the two steel frames is filled by a strip made of non-combustible or flame-retardant material. In this way, the heat transfer through the steel frame construction is significantly reduced.
- a disadvantage of this known glass door is that in order to ensure the required mechanical stability, the frame halves located on both sides of the fire protection window and the strip must be welded or screwed together.
- a fire door with the features summarized at the outset is known from DE-U 71 48 693.
- the door frame of this glass door is made up of two hollow profiles, one of which holds the fittings required for the glass door to function.
- the other hollow profile is used to cover and thus protect the hollow profile receiving the fittings in the event of fire.
- the hollow profile serving as protection is provided with fire protection measures that seal this profile towards the door frame in the event of a fire. Additional protection of the profile receiving the fitting parts is achieved in that the two-dimensionally connected profiles have an additional heat-inhibiting layer in the area of their contact surfaces.
- the fire protection pane has a joint to the adjacent hollow profile in the area of its abutting surface, which joint is closed in the event of fire by a foaming agent emerging from the fire protection window.
- a disadvantage of this glass door is that additional insulation measures in the form of the heat-inhibiting layer between the flat adjacent hollow profiles are required to achieve adequate fire protection.
- this glass door is only suitable for protection against one-sided sources of fire, while in the event of a fire on the other side of the glass door, considerable safety problems can be expected due to the large number of thermal bridges.
- a multilayer fire door which consists of a core made of heat-insulating material, which is covered on both flat sides by heat-insulating plates.
- This fire protection door is provided in the area of the end faces with a circumferential U-shaped profile made of metal, the legs of which are located between the heat-insulating material and the heat-insulating plates. The legs are therefore covered on the outside by the heat-insulating plates.
- a sheet metal profile that is angled several times in the form of a hat is fastened. This sheet profile is used to hold the door leaf together as a whole.
- the cross-sectional shape like a hat also ensures that strips arranged in the area of the frame swell when exposed to heat and form a firm connection with the sheet metal profile. In this way, the door gap formed between the door and the door frame is closed, and the door leaf is also secured against falling out.
- the invention has for its object to provide a simply constructed glass door for fire protection purposes, which in the event of fire regardless of the side on which the source of the fire is located, the possible thermal bridges are reduced to a minimum, without additional fire protection measures, such as the insulation of the supporting structure, being required.
- the two hollow profiles are connected to each other exclusively via a door profile, which is designed as a flat profile, to which the butt surface of the fire shield adjoins without insulation, and on which an angled portion is formed, which with the glass door closed Covers the door gap between the door profile and an opposite frame profile to the outside.
- the invention is based on the fact that even without additional insulation measures in the form of strips or strips made of non-combustible or flame-retardant material, flames and smoke do not penetrate the abutting surfaces of the fire shield in the event of a fire. So far it has been assumed that the abutting surfaces of the fire protection panes represent a weak point of fire protection glazing, since in the event of fire they represent the easiest way for the flames, smoke and heat to penetrate fire protection glazing or a glass door for fire protection purposes.
- the glass door which can be single or double-leaf, undergoes a further development in that the frame profile is also designed as a flat profile, to which the butt surface of a further fire protection pane is adjacent, forming a corresponding joint.
- This has the advantage of a significant reduction in the effective thermal bridges not only in the area of the frame, but also the door frame of the glass door.
- the angling of the door profile is connected to the hinge of the glass door.
- the hinge is formed on that component which also requires a special adjustment in other respects, for example with regard to door seals and other fitting parts.
- the glass door 1 shown in the drawing is part of a fire protection glazing, of which two fire protection panes 2a are shown in the drawing.
- the flat sides of the fire protection panes 2a are provided in the area of their edge with hollow profiles 3, which form the outer frame of the respective fire protection panes 2a.
- hollow profiles 3 which form the outer frame of the respective fire protection panes 2a.
- elastocellular strips 4 In each of the gaps between the edges of the fire protection panes 2a and the inner surfaces of the hollow profiles 3 there are elastocellular strips 4, these gaps additionally being sealed with a sealing compound 5 made of silicone rubber in the direction of the center of the pane.
- a door handle 8a for actuating a locking mechanism (not shown) is attached to each of the hollow profiles 3 opposite the hinge side.
- the fire protection panes 2a, 2b consist of a special laminated glass, which consists of several glass panes with fire protection layers arranged between them. In the event of a fire, these fire protection layers are activated, whereby they absorb heat radiation and thus form an effective insulation layer that prevents the passage of fire and smoke. The activation of the fire protection layers in the event of fire leads to them foaming and becoming cloudy, so that practically an opaque fire protection wall is created.
- the glass door 1 is provided on its vertical edges with the door profile 8, which is on the end faces the hollow profile 3 of the glass door 1 is attached and together with the corresponding two hollow profiles 3 forms the door frame 7 of the glass door.
- the door profiles 8 rest against likewise flat frame profiles 10 via seals 9, which are fastened to corresponding end faces of the hollow profiles 3 of the fire protection glazing.
- the door profiles 8 of the door frame 7 and the frame profiles 10 are designed as flat profiles; However, this does not rule out that both profiles have bends 11, 12, the bends 11 serving to seal the glass door 1 in the closed state, while the bend 12 establishes the connection between one of the door profiles 8 and the hinge 6 designed as a hinge 6 .
- a joint 14 with a joint width f of at most 6 mm remains between the surfaces of the door profiles 8 or the frame profiles 10 facing the respective fire protection panes 2a, 2b and the adjacent abutting surfaces 13a or 13b of the fire protection panes 2a or 2b .
- the joint width f of the joint 14 is less than 4 mm.
- the flat frame profiles 10 and door profiles 8 are slightly recessed in the area of the abutting surfaces 13a and 13b in the direction of the respective pane.
- the fire protection layer located therein is foamed due to the heating of the fire protection panes 2a, 2b, the material of this foam escaping from the abutting surfaces 13a, 13b of the fire protection panes 2a, 2b and closing the joints 14, so that flames and smoke no longer pass through the joints 14 can get through.
- the foam emerging from the abutting surfaces 13a, 13b causes cooling of the adjacent frame profile 10 or door profile 8, so that the transfer of heat via the frame profiles 10 or door profiles 8 is made more difficult.
- the optical structure of the glass door 1 in the glass part having the fire protection pane 2b and in the edge part covered with the hollow profiles 3 corresponds to the corresponding structure of the other areas of the fire protection glazing, the overall result is a uniform visual impression of the fire protection glazing.
- the glass door 1 gives the impression of lightness due to the narrow door profiles 8 and frame profiles 10 and thus clearly stands out from the known glass doors, which generally have voluminous frame structures.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Laminated Bodies (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
Description
Die Erfindung betrifft eine Glastür für Brandschutzzwecke, insbesondere zur Verwendung innerhalb einer Brandschutzverglasung zur Vermeidung des Durchtritts von Feuer und Rauch im Brandfall von einem Raum in einen anderen, mit mindestens einer ein aufschäumendes Mittel als Schutzwirkstoff enthaltenden Brandschutzscheibe, die von einem verschwenkbaren Türrahmen gehalten wird, der im Bereich der senkrechten Stirnflächen der Brandschutzscheibe aus zwei miteinander verbundenen Hohlprofilen besteht, die nach außen hin keine brandschutztechnischen Maßnahmen aufweisen, und zwischen denen die Brandschutzscheibe in ihrem Randbereich gehalten wird, wobei im Bereich der Stoßfläche der Brandschutzscheibe eine schmale Fuge ausgebildet ist, die im Brandfall durch das aufschäumende Mittel der Brandschutzscheibe feuer- und rauchdicht verschlossen wird, und wobei sich infolge der Kühlwirkung des austretenden aufschäumenden Mittels der Wärmeübergang zwischen den miteinander verbundenen Hohlprofilen verringert.The invention relates to a glass door for fire protection purposes, in particular for use within 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 one fire protection pane containing a foaming agent as a protective agent, which is held by a pivotable door frame. which in the area of the vertical end faces of the fire protection window consists of two interconnected hollow profiles, which have no fire protection measures on the outside, and between which the fire protection window is held in its edge area, a narrow joint being formed in the area of the butt surface of the fire protection window In the event of a fire, the foaming agent of the fire protection screen closes it in a fire-proof and smoke-tight manner, and the heat transfer between the interconnected cavities occurs as a result of the cooling effect of the escaping foaming agent profiles reduced.
Brandschutzverglasungen sind lichtdurchlässige Bauteile, die dazu bestimmt sind, entsprechend ihrer Feuerwiderstandsdauer nicht nur die Ausbreitung von Feuer und Rauch, sondern zusätzlich auch den unzulässigen Ubergang von Wärme zu verhindern.Fire protection glazing is translucent components that are designed not only to prevent the spread of fire and smoke, but also to prevent the inadmissible transfer of heat in accordance with their fire resistance duration.
Brandschutzverglasungen werden in verschiedene Feuerwiderstandsklassen eingeteilt, deren jeweilige Anforderungen in DIN 4102 erläutert sind.Fire protection glazing is divided into different fire resistance classes, the respective requirements of which are explained in DIN 4102.
Eine bekannte Brandschutzverglasung verfügt über Brandschutzscheiben, welche mehrlagig aus Glasscheiben mit einer jeweils dazwischen angeordneten Brandschutzschicht aufgebaut sind. Im Brandfall wird die Brandschutzschicht aktiviert. Sie absorbiert die Wärmestrahlung und bildet eine hochwirksame Dämmschicht. Aus der ursprünglich transparenten Verglasung entsteht dabei eine praktisch undurchsichtige Feuerschutzwand.A known fire protection glazing has fire protection panes which are constructed in multiple layers from glass panes with a fire protection layer arranged in between. In the event of a fire, the fire protection layer is activated. It absorbs heat radiation and forms a highly effective insulation layer. The originally transparent glazing creates a practically opaque fire protection wall.
Da in den meisten Fällen Brandschutzverglasungen über mindestens eine Türöffnung verfügen müssen, sind Glastüren entwickelt worden, die hinsichtlich ihrer brandschutztechnischen Eigenschaften auf die Brandschutzverglasung als Ganzes abgestimmt sind.Since in most cases fire protection glazing must have at least one door opening, glass doors have been developed which are matched to the fire protection glazing as a whole with regard to its fire protection properties.
Eine bekannte Glastür für Brandschutzzwecke verfügt über eine die eingelegte Brandschutzscheibe allseitig umschließende Stahlrahmenkonstruktion, die über Scharniere schwenkbar an einer Türzarge befestigt ist. Hierbei besteht die Stahlrahmenkonstruktion aus einem etwa 60mm breiten Stahlhohlprofil, an dessen Innenrand über Glashalteleisten die Brandschutzscheibe befestigt ist. Am Außenrand des Stahlhohlprofiles ist ein weiteres, allerdings schmaler gestaltetes Stahlhohlprofil befestigt, das mit einer Abwinklung versehen ist, welche bei geschlossener Glastür mittels einer dazwischenliegenden Dichtung an einem entsprechend gestalteten Stahlhohlprofil der Türzarge anliegt.A known glass door for fire protection purposes has a steel frame construction which surrounds the inserted fire protection pane on all sides and is hinged to a door frame. Here, the steel frame construction consists of an approximately 60mm wide steel hollow profile, on the inner edge of which the fire protection pane is attached via glass retaining strips. At the outer edge of the hollow steel profile, a further, but narrower designed hollow steel profile is fastened, which is provided with an angled portion which, when the glass door is closed, bears against an appropriately designed hollow steel profile of the door frame by means of an intermediate seal.
Nachteilig bei dieser bekannten Glastür ist, daß diese sehr aufwendig aufgebaut ist. Denn sowohl scharnierseitig als auch schloßseitig weist die Glastür bei Berücksichtigung der als Stahlrohre ausgebildeten Glashalteleisten insgesamt vier Stahlhohlprofile auf.The disadvantage of this known glass door is that it is constructed in a very complex manner. Because both the hinge side and the lock side, the glass door has a total of four hollow steel profiles, taking into account the glass retaining strips designed as steel tubes.
Nachteilig ist weiterhin, daß die Querschnitte der Stahlhohlprofile im Brandfall Wärmebrücken bilden, so daß hinsichtlich der brandschutztechnischen Eigenschaften im Rahmenbereich einer derartigen Glastür Abstriche gegenüber dem brandschutztechnischen Verhalten der übrigen Brandschutzverglasung bestehen. Innerhalb des Systems Brandschutzverglasung stellt daher eine Glastür immer das schwächste Bauteil dar.A further disadvantage is that the cross sections of the hollow steel profiles form thermal bridges in the event of a fire, so that there are drawbacks in the fire protection properties in the frame area of such a glass door compared to the fire protection behavior of the other fire protection glazing. A glass door is therefore always the weakest component within the fire protection glazing system.
Um diesem Problem abzuhelfen, verwendet eine weitere bekannte Glastür für Brandschutzzwecke eine zweiteilige Stahlrahmenkonstruktion, bei der der Raum zwischen den beiden Stahlrahmen durch eine Leiste aus nicht brennbarem bzw. schwer entflammbarem Material gefüllt ist. Auf diese Weise wird der Wärmedurchgang durch die Stahlrahmenkonstruktion deutlich vermindert. Nachteilig bei dieser bekannten Glastür ist jedoch, daß zur Gewährleistung der erforderlichen mechanischen Stabilität die beiderseits der Brandschutzscheibe sowie der Leiste befindlichen Rahmenhälften miteinander verschweißt oder verschraubt werden müssen.In order to remedy this problem, another known glass door for fire protection uses a two-part steel frame construction in which the space between the two steel frames is filled by a strip made of non-combustible or flame-retardant material. In this way, the heat transfer through the steel frame construction is significantly reduced. A disadvantage of this known glass door, however, is that in order to ensure the required mechanical stability, the frame halves located on both sides of the fire protection window and the strip must be welded or screwed together.
Eine Brandschutztür mit den eingangs zusammengefaßten Merkmalen ist aus der DE-U 71 48 693 bekannt. Der Türrahmen dieser Glastür setzt sich aus zwei Hohlprofilen zusammen, von denen das eine Hohlprofil die für die Funktion der Glastür erforderlichen Beschlagteile aufnimmt. Demgegenüber dient das andere Hohlprofil zur Abdeckung und damit zum Schutz des die Beschlagteile aufnehmenden Hohlprofils im Brandfall. Das als Schutz dienende Hohlprofil ist hierzu mit brandschutztechnischen Maßnahmen versehen, die im Brandfall dieses Profil zur Türzarge hin abdichten. Ein zusätzlicher Schutz des die Beschlagteile aufnehmenden Profils wird dadurch erreicht, daß die flächig miteinander verbundenen Profile im Bereich ihrer Anlageflächen eine zusätzliche Wärmehemmschicht aufweisen. Ferner ist vorgesehen, daß die Brandschutzscheibe im Bereich ihrer Stoßfläche eine Fuge zum benachbarten Hohlprofil aufweist, welche Fuge im Brandfall durch ein aus der Brandschutzscheibe austretendes, aufschäumendes Mittel verschlossen wird. Nachteilig bei dieser Glastür ist, daß zur Erzielung eines ausreichenden Brandschutzes zusätzliche Isolationsmaßnahmen in Form der wärmehemmenden Schicht zwischen den flächig aneinanderliegenden Hohlprofilen erforderlich sind. Zudem ist diese Glastür nur zu einer Absicherung gegen einseitige Brandherde geeignet, während im Falle eines Brandherdes auf der anderen Seite der Glastüre wegen der Vielzahl von Wärmebrücken beträchtliche Sicherheitsprobleme zu erwarten sind.A fire door with the features summarized at the outset is known from DE-U 71 48 693. The door frame of this glass door is made up of two hollow profiles, one of which holds the fittings required for the glass door to function. In contrast, the other hollow profile is used to cover and thus protect the hollow profile receiving the fittings in the event of fire. For this purpose, the hollow profile serving as protection is provided with fire protection measures that seal this profile towards the door frame in the event of a fire. Additional protection of the profile receiving the fitting parts is achieved in that the two-dimensionally connected profiles have an additional heat-inhibiting layer in the area of their contact surfaces. It is also provided that the fire protection pane has a joint to the adjacent hollow profile in the area of its abutting surface, which joint is closed in the event of fire by a foaming agent emerging from the fire protection window. A disadvantage of this glass door is that additional insulation measures in the form of the heat-inhibiting layer between the flat adjacent hollow profiles are required to achieve adequate fire protection. In addition, this glass door is only suitable for protection against one-sided sources of fire, while in the event of a fire on the other side of the glass door, considerable safety problems can be expected due to the large number of thermal bridges.
Schließlich ist aus der DE-A 27 56 939 eine mehrlagig aufgebaute Feuerschutztür bekannt, die aus einem Kern aus wärmedämmendem Material besteht, welcher zu beiden Flachseiten durch wärmedämmende Platten abgedeckt ist. Diese Feuerschutztür ist im Bereich der Stirnflächen mit einem umlaufenden U-förmigen Profil aus Metall versehen, dessen Schenkel sich zwischen dem wärmedämmenden Material und den wärmedämmenden Platten befinden. Die Schenkel sind daher durch die wärmedämmenden Platten nach außen hin abgedeckt. Ferner ist im Bereich der Stirnfläche des so gebildeten Türblattes ein in Form eines Hutes mehrfach abgewinkeltes Blechprofil befestigt. Dieses Blechprofil dient dazu, das Türblatt als Ganzes zusammenzuhalten. Durch die Querschnittsform nach Art eines Hutes wird ferner erreicht, daß im Bereich der Zarge angeordnete Streifen bei Wärmeeinwirkung aufquellen und mit dem Blechprofil eine feste Verbindung eingehen. Auf diese Weise wird der zwischen Tür und Türzarge ausgebildete Türspalt verschlossen, und außerdem das Türblatt gegen eine Herausfallen gesichert.Finally, from DE-A 27 56 939 a multilayer fire door is known, which consists of a core made of heat-insulating material, which is covered on both flat sides by heat-insulating plates. This fire protection door is provided in the area of the end faces with a circumferential U-shaped profile made of metal, the legs of which are located between the heat-insulating material and the heat-insulating plates. The legs are therefore covered on the outside by the heat-insulating plates. Furthermore, in the area of the end face of the door leaf formed in this way, a sheet metal profile that is angled several times in the form of a hat is fastened. This sheet profile is used to hold the door leaf together as a whole. The cross-sectional shape like a hat also ensures that strips arranged in the area of the frame swell when exposed to heat and form a firm connection with the sheet metal profile. In this way, the door gap formed between the door and the door frame is closed, and the door leaf is also secured against falling out.
Ausgehend von dem Stand der Technik gemäß DE-U 71 48 693 liegt der Erfindung die Aufgabe zugrunde, eine einfach aufgebaute Glastür für Brandschutzzwecke zu schaffen, die im Brandfall unabhängig von der Seite, auf der sich der Brandherd befindet, die möglichen Wärmebrücken auf ein Mindestmaß reduziert, ohne daß hierzu zusätzliche Brandschutzmaßnahmen, wie etwa die Isolierung der tragenden Konstruktion, erforderlich sind.Based on the prior art according to DE-U 71 48 693, the invention has for its object to provide a simply constructed glass door for fire protection purposes, which in the event of fire regardless of the side on which the source of the fire is located, the possible thermal bridges are reduced to a minimum, without additional fire protection measures, such as the insulation of the supporting structure, being required.
Zur Lösung wird vorgeschlagen, daß die beiden Hohlprofile ausschließlich über ein Türprofil miteinander verbunden sind, welches als Flachprofil ausgebildet ist, an das die Stoßfläche der Brandschutzscheibe unter Bildung der Fuge ohne Isolierung angrenzt, und an welchem eine Abwinklung ausgebildet ist, die bei geschlossener Glastür den Türspalt zwischen Türprofil und einem gegenüberliegenden Zargenprofil nach außen hin abdeckt.To solve the problem , it is proposed that the two hollow profiles are connected to each other exclusively via a door profile, which is designed as a flat profile, to which the butt surface of the fire shield adjoins without insulation, and on which an angled portion is formed, which with the glass door closed Covers the door gap between the door profile and an opposite frame profile to the outside.
Der Erfindung liegt die Tatsache zugrunde, daß auch ohne zusätzliche Isolationsmaßnahmen in Form von Streifen oder Leisten aus nicht brennbarem bzw. schwer entflammbarem Material im Brandfall ein Durchschlagen von Flammen und Rauch an den Stoßflächen der Brandschutzscheibe nicht eintritt. Bisher ist angenommen worden, daß die Stoßflächen der Brandschutzscheiben einen Schwachpunkt einer Brandschutzverglasung darstellen, da sie im Brandfall für die Flammen, Rauch und Wärme den leichtesten Weg darstellen, eine Brandschutzverglasung bzw. eine Glastür für Brandschutzzwecke zu durchdringen. In Versuchen hat sich jedoch herausgestellt, daß in den Fällen, in denen an den Stoßflächen der Brandschutzscheibe eine Restfuge verbleibt, bei großer Hitzeeinwirkung das zwischen den einzelnen Glasschichten befindliche Brandschutzmittel in Form eines Schaumes aus der stirnseitigen Stoßfläche der Brandschutzscheibe austritt und die Fuge dicht verschließt.The invention is based on the fact that even without additional insulation measures in the form of strips or strips made of non-combustible or flame-retardant material, flames and smoke do not penetrate the abutting surfaces of the fire shield in the event of a fire. So far it has been assumed that the abutting surfaces of the fire protection panes represent a weak point of fire protection glazing, since in the event of fire they represent the easiest way for the flames, smoke and heat to penetrate fire protection glazing or a glass door for fire protection purposes. Experiments have shown, however, that in cases where a residual joint remains on the butt surfaces of the fire protection window, the fire protection agent located between the individual glass layers emerges in the form of a foam from the end face of the fire protection window and seals the joint tightly in the form of foam.
Dieser Fugenverschluß führt nicht nur dazu, daß Flammen und Rauch nicht mehr durch die Glastür hindurchschlagen können, sondern führt auch zu einer örtlichen Kühlung des der Stoßfläche unter Bildung der Fuge gegenüberliegenden Flachprofils. Da bei der erfindungsgemäßen Glastür das Flachprofil jedoch die einzige mögliche Wärmebrücke darstellt, führt dessen Kühlung durch den aus der Brandschutzscheibe austretenden Schaum zu einer für einen gewissen Zeitraum deutlichen Minderung des Wärmeübergangs am Rand der Glastür und damit zu verbesserten brandschutztechnischen Eigenschaften der Glastür. In diesem Zusammenhang soll unter "Flachprofil" nicht nur ein vollständig flaches, d.h. eben gestaltetes Profil verstanden werden, sondern ein Profil, daß, beispielsweise auch als Hohlprofil, so schmal gestaltet ist, daß im Brandfall der Kühleffekt durch den austretenden Schaum sicher eintritt.This joint closure not only means that flames and smoke can no longer penetrate through the glass door, but also leads to local cooling of the flat profile opposite the joint surface, forming the joint. However, since the flat profile is the only possible thermal bridge in the glass door according to the invention, its cooling by the foam emerging from the fire protection window leads to a significant reduction in the heat transfer at the edge of the glass door for a certain period of time and thus to improved fire protection properties of the glass door. In this context, "flat profile" should not only be understood to mean a completely flat, ie flat profile, but a profile that, for example also as a hollow profile, is designed so narrow that in the event of fire the cooling effect through the escaping foam occurs safely.
Die vorbezeichneten Vorteile werden ohne zusätzliche Isolationsmaßnahmen in Form von innerhalb des Stahlrahmens eingesetzten Leisten oder Streifen aus nicht brennbarem oder schwer entflammbarem Material erreicht. Auch eine Außenisolierung der Profile ist nicht erforderlich, da im Gegensatz zum Stand der Technik keine großflächigen Stahlhohlprofile verwendet werden, sondern Flachprofile, welche der Hitze nur eine geringe Angriffs- und damit Wärmeübertragungsfläche bieten.The aforementioned advantages are achieved without additional insulation measures in the form of strips or strips of non-combustible or flame-retardant material inserted within the steel frame. External insulation of the profiles is also not necessary, since, in contrast to the prior art, no large-area hollow steel profiles are used, but flat profiles which offer the heat only a small area of attack and thus heat transfer.
Die Glastür, welche ein- oder zweiflügelig ausgebildet sein kann, erfährt dadurch eine Weiterbildung, daß auch das Zargenprofil als Flachprofil ausgebildet ist, an das die Stoßfläche einer weiteren Brandschutzscheibe unter Bildung einer entsprechenden Fuge angrenzt. Dadurch wird der Vorteil einer deutlichen Minderung der wirksamen Wärmebrücken nicht nur im Bereich des Rahmens, sondern auch der Türzarge der Glastür erreicht.The glass door, which can be single or double-leaf, undergoes a further development in that the frame profile is also designed as a flat profile, to which the butt surface of a further fire protection pane is adjacent, forming a corresponding joint. This has the advantage of a significant reduction in the effective thermal bridges not only in the area of the frame, but also the door frame of the glass door.
Gemäß einer Weiterbildung der Glastür ist die Abwinklung des Türprofils mit dem Scharnier der Glastür verbunden. Auf diese Weise ist das Scharnier an jenem Bauteil ausgebildet, welches auch im übrigen eine besondere Anpassung erfordert, beispielsweise im Hinblick auf Türdichtungen und andere Beschlagteile.According to a further development of the glass door, the angling of the door profile is connected to the hinge of the glass door. In this way, the hinge is formed on that component which also requires a special adjustment in other respects, for example with regard to door seals and other fitting parts.
Dadurch lassen sich die Fugenabdeckungen frei von Beschlagteilen halten, wodurch diese einheitlich gestaltet werden können, was wiederum dem optischen Erscheinungsbild der Glastür zugute kommt.This allows the joint covers to be kept free of fittings, which means that they can be designed in a uniform manner, which in turn benefits the visual appearance of the glass door.
Ein Ausführungsbeispiel einer erfindungsgemäßen Glastür für Brandschutzzwecke wird nachfolgend anhand der Zeichnung beschrieben. Die Zeichnung zeigt in verkürzter Darstellung eine Glastür als Teil einer Brandschutzverglasung.An embodiment of a glass door according to the invention for fire protection purposes is described below with reference to the drawing. The drawing shows in an abbreviated form a glass door as part of fire protection glazing.
Die in der Zeichnung dargestellte Glastür 1 ist Bestandteil einer Brandschutzverglasung, von der in der Zeichnung zwei Brandschutzscheiben 2a dargestellt sind. Die Flachseiten der Brandschutzscheiben 2a sind im Bereich ihres Randes mit Hohlprofilen 3 versehen, welche den Außenrahmen der jeweiligen Brandschutzscheiben 2a bilden. In den Spalten zwischen den Rändern der Brandschutzscheiben 2a und den Innenflächen der Hohlprofile 3 befinden sich jeweils Elastozellbänder 4, wobei diese Spalte in Richtung auf die Scheibenmitte zusätzlich mit einer Dichtungsmasse 5 aus Silikon-Kautschuk abgedichtet sind.The glass door 1 shown in the drawing is part of a fire protection glazing, of which two
Die über ein Scharnier 6 schwenkbar an der Brandschutzverglasung gelagerte Glastür 1 besteht ebenfalls aus einer Brandschutzscheibe 2b, die in der bereits beschriebenen Weise an ihren Rändern durch einen Türrahmen 7 gehalten ist, der sich aus den Hohlprofilen 3 und einem Türprofil 8 an der Stirnseite der Brandschutzscheibe 2b zusammensetzt. An den der Scharnierseite gegenüberliegenden Hohlprofilen 3 ist jeweils eine Türklinke 8a zur Betätigung eines nicht dargestellten Verriegelungsmechanismus angebracht.The glass door 1, which is pivotably mounted on the fire protection glazing via a
Die Brandschutzscheiben 2a, 2b bestehen aus einem Spezialverbundglas, welches aus mehreren Glasscheiben mit dazwischen angeordneten Brandschutzschichten besteht. Im Brandfall werden diese Brandschutzschichten aktiviert, wobei sie Wärmestrahlung absorbieren und so eine wirksame Dämmschicht bilden, welche den Durchgang von Feuer und Rauch verhindert. Dabei führt die Aktivierung der Brandschutzschichten im Brandfall dazu, daß diese aufschäumen und eine Trübung annehmen, so daß praktisch eine undurchsichtige Feuerschutzwand entsteht.The
Zur Halterung der Glastür 1 innerhalb der Brandschutzverglasung ist die Glastür 1 an ihren senkrechten Kanten jeweils mit dem Türprofil 8 versehen, welches an den Stirnseiten der Hohlprofile 3 der Glastür 1 befestigt ist und gemeinsam mit den entsprechenden beiden Hohlprofilen 3 den Türrahmen 7 der Glastür bildet. Die Türprofile 8 liegen bei geschlossener Glastür 1 über Dichtungen 9 an ebenfalls flachen Zargenprofilen 10 an, die an entsprechenden Stirnflächen der Hohlprofile 3 der Brandschutzverglasung befestigt sind. Die Türprofile 8 des Türrahmens 7 sowie die Zargenprofile 10 sind zwar als Flachprofile ausgebildet; dies schließt jedoch nicht aus, daß beide Profile über Abwinklungen 11, 12 verfügen, wobei die Abwinklungen 11 zur dichtenden Anlage der Glastür 1 in geschlossenen Zustand dienen, während die Abwinklung 12 die Verbindung zwischen einem der Türprofile 8 und dem als Zapfenband ausgebildeten Scharnier 6 herstellt.To hold the glass door 1 within the fire protection glazing, the glass door 1 is provided on its vertical edges with the
In der Zeichnung ist dargestellt, daß zwischen den den jeweiligen Brandschutzscheiben 2a, 2b zugewandten Flächen der Türprofile 8 bzw. der Zargenprofile 10 und den benachbarten Stoßflächen 13a bzw. 13b der Brandschutzscheiben 2a bzw. 2b eine Fuge 14 mit einer Fugenbreite f von höchstens 6mm verbleibt. Beim Ausführungsbeispiel beträgt die Fugenbreite f der Fuge 14 weniger als 4mm. Hierzu sind die flachen Zargenprofile 10 sowie Türprofile 8 im Bereich der Stoßflächen 13a bzw. 13b leicht in Richtung zur jeweiligen Scheibe hin eingesenkt.In the drawing it is shown that a
Im Brandfall wird infolge der Erhitzung der Brandschutzscheiben 2a, 2b die darin befindliche Brandschutzschicht aufgeschäumt, wobei Material dieses Schaumes aus den Stoßflächen 13a, 13b der Brandschutzscheiben 2a, 2b austritt und die Fugen 14 verschließt, so daß Flammen und Rauch nicht mehr durch die Fugen 14 hindurchgelangen können. Darüber hinaus bewirkt der aus den Stoßflächen 13a, 13b austretende Schaum eine Kühlung des anliegenden Zargenprofils 10 bzw. Türprofils 8, so daß der Ubergang von Wärme über die Zargenprofile 10 bzw. Türprofile 8 erschwert wird. Durch die beschriebene Wirkungsweise der Brandschutzscheiben 2a, 2b wird also nicht nur der Übergang von Flammen und Rauch durch die Fugen 14 verhindert, sondern zusätzlich die konstruktionsbedingte Wirkung der Zargenprofile 10 und Türprofile 8 als Wärmebrücken auf ein Mindestmaß reduziert. Dieser Vorteil einer Kühlung der Zargenprofile 10 bzw. Türprofile 8 wird dadurch erreicht, daß diese Profile hinreichend flach ausgebildet sind, so daß die Kühlwirkung des aus den Stoßflächen 13a, 13b austretenden Schaumes den gesamten, als potentielle Wärmebrücke in Betracht kommenden Querschnitt der Zargenprofile 10 und Türprofile 8 erfaßt. In der Einsenkung des Zargenprofils 10 ist ein Streifen 15 aus im Brandfall aufschäumenden Material befestigt. Hierdurch wird im Brandfall der Zwischenraum zwischen Türprofil 8 und Zargenprofil 10 verschlossen.In the event of a fire, the fire protection layer located therein is foamed due to the heating of the
Da die optische Gliederung der Glastür 1 in den die Brandschutzscheibe 2b aufweisenden Glasteil sowie den mit den Hohlprofilen 3 belegten Randteil mit der entsprechenden Gliederung der übrigen Flächen der Brandschutzverglasung übereinstimmt, ergibt sich insgesamt ein einheitlicher optischer Eindruck der Brandschutzverglasung. Insbesondere erweckt die Glastür 1 infolge der schmalen Türprofile 8 und Zargenprofile 10 den Eindruck von Leichtigkeit und hebt sich damit deutlich von den bekannten, in der Regel über voluminöse Rahmenkonstruktionen verfügenden Glastüren ab.Since the optical structure of the glass door 1 in the glass part having the
- 11
- Glastürglass door
- 2a2a
- BrandschutzscheibeFire protection window
- 2b2 B
- BrandschutzscheibeFire protection window
- 33rd
- HohlprofilHollow profile
- 44th
- ElastozellbandElastocell tape
- 55
- Dichtungsmassecaulk
- 66
- Scharnierhinge
- 77
- TürrahmenDoor frame
- 88th
- TürprofilDoor profile
- 8a8a
- TürklinkeDoorknob
- 99
- Dichtungpoetry
- 1010th
- ZargenprofilFrame profile
- 1111
- AbwinklungAngling
- 1212th
- AbwinklungAngling
- 13a13a
- StoßflächeButt surface
- 13b13b
- StoßflächeButt surface
- 1414
- FugeGap
- 1515
- StreifenStripes
- ff
- FugenbreiteJoint width
Claims (4)
- Glass door for fire protection purposes, in particular for use within a fire protection glazing unit to avoid, in the event of a fire, the passage of fire and smoke from one room into another, having at least one fire protection pane containing a foaming agent as an active protective material, which pane is held by a pivotable door frame, which in the region of the vertical end faces of the fire protection pane comprises two interconnected hollow profiles, which have no fire protective measures towards the outside, and between which the fire protection pane is held in the region of its edge, there being formed in the region of the abutting face of the fire protection pane a narrow gap, which, in the event of a fire, is sealed in a fireproof and smokeproof manner by means of the foaming agent of the fire protection pane, and the cooling effect of the emerging foaming agent reducing the heat transfer between the interconnected hollow profiles, characterized in that the two hollow profiles (3) are interconnected exclusively by means of a door profile (8), which is designed as a flat profile adjacent to which is the abutting face (13b) of the fire protection pane (2b), forming the gap (14) without insulation, and on which there is formed an angled-off portion (12) which, when the glass door is closed, covers from the outside the door gap between door profile (8) and an oppositely lying frame profile (10).
- Glass door according to Claim 1, characterized in that the frame profile (10) is also designed as a flat profile adjacent to which is the abutting face (13a) of a further fire protection pane (2a), forming a narrow gap (14) without insulation, and in that, in the event of a fire, the gap (14) remains sealed in a fireproof and smokeproof manner by the foaming agent of the further fire protection pane (2a), and with simultaneous cooling of the adjacent part of the frame profile (10).
- Glass door according to Claim 1 or Claim 2, characterized in that the gap width (f) is less than 6 mm, preferably less than 4 mm.
- Glass door according to one of Claims 1 to 3, characterized in that the angled-off portion (12) of the door profile (8) is connected to the hinge (6) of the glass door.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9103671U DE9103671U1 (en) | 1991-03-26 | 1991-03-26 | Glass door for fire protection purposes |
| DE9103671U | 1991-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0505934A1 EP0505934A1 (en) | 1992-09-30 |
| EP0505934B1 true EP0505934B1 (en) | 1994-05-18 |
Family
ID=6865664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92104847A Expired - Lifetime EP0505934B1 (en) | 1991-03-26 | 1992-03-20 | Glazed fire door |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0505934B1 (en) |
| AT (1) | ATE105914T1 (en) |
| DE (2) | DE9103671U1 (en) |
| DK (1) | DK0505934T3 (en) |
| ES (1) | ES2056002T3 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59303021D1 (en) * | 1993-03-30 | 1996-07-25 | Promat Gmbh | Fire door |
| ATE161155T1 (en) * | 1994-02-08 | 1998-01-15 | Promat Gmbh | SHOWCASE FOR THE SECURE ACCESS OF OBJECTS, ESPECIALLY ART OBJECTS IN MUSEUMS AND EXHIBITIONS |
| ATE182388T1 (en) * | 1994-06-09 | 1999-08-15 | Hartmann & Co W | BUILDING FACADE |
| DE19510912B4 (en) * | 1994-09-13 | 2005-04-28 | Hoermann Kg | Fire door |
| DE19615902A1 (en) * | 1996-04-22 | 1997-10-23 | Promat Gmbh | Glass door for fire protection purposes |
| FR2896266B1 (en) * | 2006-01-17 | 2009-07-03 | Heckendorn Gilles Francois Yve | METHOD OF MAKING HOLLOW METAL JOINERY, CHARACTERIZED BY ASSEMBLING MULTIPLE PROFILE SEGMENTS USING ASSEMBLY MEMBERS WHICH MAY INTEGRATE HARDWARE. |
| DE202007013789U1 (en) * | 2007-10-02 | 2007-12-06 | Holzbau Schmid Gmbh & Co. Kg | Fixed leaf |
| AT508848A1 (en) * | 2009-09-15 | 2011-04-15 | Ifn Holding Ag | FACADE ELEMENT |
| GB2487956A (en) * | 2011-02-10 | 2012-08-15 | Eurocell Profiles Ltd | Folding doors with a seal and covering trim member |
| DE202013103100U1 (en) * | 2013-07-11 | 2014-10-13 | Promat Gmbh | Surface element of a fire-resistant glazing, especially glass door for fire protection purposes to prevent the passage of fire and smoke in case of fire from one room to another |
| DE202013103099U1 (en) | 2013-07-11 | 2014-10-13 | Promat Gmbh | Device for the detachable connection of two workpieces |
| DE202013104081U1 (en) * | 2013-09-09 | 2014-12-10 | Promat Gmbh | Posts for a hinged door and fire-resistant glazing with such a post |
| CN114198004A (en) * | 2021-12-17 | 2022-03-18 | 中沃门业有限公司 | Plastic-sprayed glued fireproof door and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7148693U (en) * | 1972-08-10 | Laurentius H | Fire-retardant door, flap or the like |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2756939A1 (en) * | 1977-12-21 | 1979-06-28 | Schuler Berthold | Metal sheathed fire damping door leaf - has edge hood with protrusion bounding open combustion chamber |
| AT383862B (en) * | 1980-03-13 | 1987-09-10 | Trube & Kings Kg | FRAME FOR WINDOWS, DOORS OR THE LIKE. |
| FR2619412B1 (en) * | 1987-08-13 | 1993-06-11 | Mather Platt Wormald Sa | FIRE-RESISTANT AND / OR FLAME-RESISTANT |
-
1991
- 1991-03-26 DE DE9103671U patent/DE9103671U1/en not_active Expired - Lifetime
-
1992
- 1992-03-20 DE DE59200166T patent/DE59200166D1/en not_active Expired - Lifetime
- 1992-03-20 ES ES92104847T patent/ES2056002T3/en not_active Expired - Lifetime
- 1992-03-20 DK DK92104847.6T patent/DK0505934T3/en active
- 1992-03-20 EP EP92104847A patent/EP0505934B1/en not_active Expired - Lifetime
- 1992-03-20 AT AT92104847T patent/ATE105914T1/en active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7148693U (en) * | 1972-08-10 | Laurentius H | Fire-retardant door, flap or the like |
Also Published As
| Publication number | Publication date |
|---|---|
| DE9103671U1 (en) | 1991-06-27 |
| DK0505934T3 (en) | 1994-09-26 |
| ATE105914T1 (en) | 1994-06-15 |
| EP0505934A1 (en) | 1992-09-30 |
| ES2056002T3 (en) | 1994-09-01 |
| DE59200166D1 (en) | 1994-06-23 |
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