EP2199524B1 - Fire retardant element - Google Patents

Fire retardant element Download PDF

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Publication number
EP2199524B1
EP2199524B1 EP09014654.9A EP09014654A EP2199524B1 EP 2199524 B1 EP2199524 B1 EP 2199524B1 EP 09014654 A EP09014654 A EP 09014654A EP 2199524 B1 EP2199524 B1 EP 2199524B1
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EP
European Patent Office
Prior art keywords
fire retardant
element according
retardant element
holding
profile
Prior art date
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Application number
EP09014654.9A
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German (de)
French (fr)
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EP2199524A3 (en
EP2199524A2 (en
Inventor
Thomas Buck
Peter Götz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydro Extruded Solutions AS
Original Assignee
Sapa AS
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Priority to PL09014654T priority Critical patent/PL2199524T3/en
Publication of EP2199524A2 publication Critical patent/EP2199524A2/en
Publication of EP2199524A3 publication Critical patent/EP2199524A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • 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
    • E06B5/161—Profile members 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/2632—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section
    • E06B2003/26321—Frames with special provision for insulation with arrangements reducing the heat transmission, other than an interruption in a metal section with additional prefab insulating materials in the hollow space
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B2003/26394—Strengthening arrangements in case of fire

Definitions

  • the invention relates to a made of metallic, especially aluminum hollow sections constructed in simple or thermally insulated training fire protection element, in particular in the form of a frame for windows, doors, facade parts and the like, arranged in the interior of the hollow sections, the fire protection insert parts preferably water crystal binding chemicals such Silicate or gypsum building materials existing fire protection compounds.
  • the hollow profile chambers are equipped with mineral building boards, so-called fire protection boards, with a water-binding chemical, such as potash alum are offset.
  • a water-binding chemical such as potash alum
  • the crystal water-binding chemicals may have been incorporated in the mineral material both as a mixture or in the form of layers or in both ways.
  • These fire protection panels which are simply inserted into the chambers and at most are fixed to rattle, act energy-consuming and serve in a fire-bang to cool the construction.
  • the energy-absorbing release of water of crystallization begins with the fire-protection plates at rising temperatures.
  • the exiting water vapor has a cooling effect, which delays the further heating of the construction.
  • the invention has the object, a fire protection element of the type mentioned in such a way that the insertion part as long as possible - shielded from the profile wall - remain in the hollow chambers.
  • the advantage achieved by the invention initially consists essentially in the fact that the insertion parts are not loosely introduced into the hollow chambers, but are held by the retaining clips on the inner walls of the hollow chambers, so that the complete melting off the fire side facing profile wall does not fall out of the Insertion parts can lead. Since the insertion parts, which are usually used to several successive abutting in the hollow chambers, are joined together in the joint area by the retaining clips, so that there is a "one-piece" insertion part, there is the further advantage that the insert in the upper part of the construction , which heats up faster in case of fire, despite the softening or melting away profile parts is still held by the still given in the lower part of the construction fixation.
  • the insertion parts are additionally provided at their free ends with retaining clips.
  • the insertion parts of substantially rectangular in cross-section shape and the retaining clips are formed as U-shaped metal sheet angle.
  • the retaining clip abuts with its two profile legs the broad sides of the insertion profile.
  • the retaining clip is expediently provided with outwardly directed retaining claws.
  • the retaining claws of the retaining clip are arranged on the profile back.
  • the retaining claws can be cut free in a particularly simple and therefore within the scope of the invention preferred embodiment of the sheet metal angle and bent outwards.
  • the stop tabs are advantageously arranged in the profile legs of the retaining clips, cut out of these and angled inwardly.
  • Intumeszenzst can be covered on one or more of their outer surfaces with Intumeszenzst Shape. These intumescent strips, which begin to melt above about 300 ° C., then penetrate into the gap between the insertion part and the profile and, due to the adhesion forces then occurring, cause an adhesive bond consisting of the fire protection plates, the intumescent material and the aluminum wall. This also delays the breakage of flat wall pieces during the softening phase, even with a heavily deformed frame.
  • the intumescent strips are arranged on the broad sides of the insertion part between the free ends of the profile legs of the retaining clips.
  • the front sides of the insertion part coming into contact with a corner bracket or a T-connector can likewise be covered with an intumescent strip. This ensures that all caverns remain closed as long as possible so that heat radiation and the direct flame of the fasteners is kept as long as possible.
  • the hollow profile shown only partially in the drawing is used to build frames for windows, doors, facade parts and the like and is constructed as a fire protection element.
  • the hollow profile 1 is made of aluminum, wherein in the interior of the hollow profile insertion parts 2 are arranged, which serve the fire protection.
  • These insertion parts 2 contain fire protection compounds, which consist of preferably water-binding chemicals such as silicate or gypsum building materials.
  • These plug-in parts 2 or fire protection boards act energy-consuming and are used in case of fire to cool the structure.
  • the existing fire-resistant elements such construction must withstand much higher temperatures, it is necessary to ensure that even after melting the hollow profile 1 on the side facing the fire, the insertion parts 2 remain within the left-over remains of the hollow sections 1 and protect them as far as possible or as long as possible.
  • individual retaining brackets 3 are provided in the hollow sections 1 in profile longitudinal direction provided which encompass the individual, also in profile longitudinal direction abutting insert parts 2 wholly or partially and connect with each other in the region of their joints.
  • insert parts 2 "integral" elements are present, which have sufficient stability over their entire length. Since the frame construction heats up slower in the lower region in the event of fire than in the upper region, this ensures that the individual insertion part 2 combined into one unit by the retaining clips 3 are still more securely fixed in the lower part of the construction and thus trim the upper part of the construction ,
  • the retaining clips 3 are in frictional and / or positive connection with the inner wall of the hollow sections 1, whereby the hollow profiles 1 experience additional stability in case of fire.
  • the insertion part 2 usually of cross-section substantially rectangular shape.
  • the retaining clips 3 are accordingly designed as a U-profile-shaped plate angle, wherein the retaining clip 3 here with their two profile legs 3.1, 3.2 abuts the broad sides of the insertion part 2.
  • the retaining clip 3 is provided with outwardly directed retaining claws 6, which are supported against the inner wall of the hollow section 1. These retaining claws 6 are cut free from the sheet metal angle and bent outwards.
  • retaining clip 3 is provided for connecting two insertion parts 2 and therefore has approximately centrally arranged stop tabs 7 for the end face of the insertion parts 2. This ensures that the insertion parts 2 to be joined together are encompassed by the retaining clip 3 to the same extent.
  • the stop tabs 7 are arranged in the profile legs 3.1, 3.2 of the retaining clip 3, cut out of these and angled inwardly.
  • the insertion parts 2 are occupied at one or more of their outer surfaces with Intumeszenzstsammlung 8.
  • the Intumeszenzstsammlung 8 on the broad sides of the insertion part 2, namely between the free ends of the profile legs 3.1, 3.2 of the retaining clips 3 are arranged.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Building Environments (AREA)
  • Special Wing (AREA)

Description

Die Erfindung betrifft ein aus metallischen, insbesondere aus Aluminium bestehenden Hohlprofilen in einfacher oder wärmegedämmter Ausbildung aufgebautes Brandschutzelement, insbesondere in Form eines Rahmens für Fenster, Türen, Fassadenteile und dergleichen, mit im Innenraum der Hohlprofile angeordneten, dem Brandschutz dienenden Einschubteilen aus vorzugsweise kristallwasserbindenden Chemikalien wie Silikat- oder Gipsbaustoffen bestehenden Brandschutzmassen.The invention relates to a made of metallic, especially aluminum hollow sections constructed in simple or thermally insulated training fire protection element, in particular in the form of a frame for windows, doors, facade parts and the like, arranged in the interior of the hollow sections, the fire protection insert parts preferably water crystal binding chemicals such Silicate or gypsum building materials existing fire protection compounds.

Bei den bisher beispielsweise aus der DE 19 708 443 bekannten Brandschutzelementen werden die Profilhohlkammern mit mineralischen Bauplatten, sogenannten Brandschutzplatten ausgerüstet, die mit einer kristallwasserbindenden Chemikalie, z.B. Kali-Alaun versetzt sind. Dabei kann die kristallwassarbindende Chemikalien in dem mineralischen Material sowohl als Gemenge oder in Form von Schichten oder auf beide Arten eingelagert worden sein. Diese Brandschutzplatten, die einfach in die Kammern eingebracht und allenfalls genen klappern fixiert sind, wirken energieverzehrend und dienen im Brandrall der Kühlung der Konstruktion. Dazu setzt bei den Brandschutz platten bei steigenden Temperaturen die energieverzehrende Freisetzung von Kristallwasser ein. Der austretende Wasserdampf hat eine kühlende Wirkung, wodurch die weitere Aufheizung der Konstruktion verzögert wird.In the past, for example, from the DE 19 708 443 known fire protection elements, the hollow profile chambers are equipped with mineral building boards, so-called fire protection boards, with a water-binding chemical, such as potash alum are offset. In this case, the crystal water-binding chemicals may have been incorporated in the mineral material both as a mixture or in the form of layers or in both ways. These fire protection panels, which are simply inserted into the chambers and at most are fixed to rattle, act energy-consuming and serve in a fire-bang to cool the construction. For this purpose, the energy-absorbing release of water of crystallization begins with the fire-protection plates at rising temperatures. The exiting water vapor has a cooling effect, which delays the further heating of the construction.

Auch aus der EP 1 120 504 ist eine Fassade in Brandschutzauführung bekannt. Es lässt sich jedoch beobachten, dass die üblicherweise verwendeten Aluminiumlegierungen mit steigender Temperatur zunächst knetweich werden und dann in einen, schmelzweichen Zustand bei einer Temperatur übergehen, die unter der im Brandfall zu erwartenden Temperatur liegt. Da sich die Glasscheiben unter der steigenden Temperaturbelastung krümmen, hat dies zur Folgte, dass auch die sie einfassende Konstruktion sich verbiegt. In den dem Brand zugewandten, bereits erweichten bzw. schmelzweich gewordenen Profilwänden entstehen Löcher mit der Folge, dass die Brandschutzplatten herausfallen. Die Konstruktion ist dann nicht mehr geschützt und bricht rasch zusammen.Also from the EP 1 120 504 is a facade known in fire safety. However, it can be observed that the commonly used aluminum alloys initially become softened with increasing temperature and then change into a molten state at a temperature which is below the temperature to be expected in the event of fire. As a result of the fact that the glass sheets bend under the increasing temperature load, this also means that the construction enclosing them also bends. In the fire-facing, already softened or melted become profile walls holes with the result that the fire protection panels fall out. The construction is then no longer protected and breaks down quickly.

Hiervon ausgehend liegt der Erfindung die Aufgabe zugrunde, ein Brandschutzelement der eingangs genanntem Art so auszubilden, dass die Einschubteil möglichst lange - abgeschirmt von der Profilwand - in den Hohlkammern verbleiben.On this basis, the invention has the object, a fire protection element of the type mentioned in such a way that the insertion part as long as possible - shielded from the profile wall - remain in the hollow chambers.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass in den Hohlprofilen in Profillängsrichtung einzelne Halteklammern vorgesehen sind, die die einzelnen, ebenfalls in Profillängsrichtung aneinander stoßenden Einschubteil ganz oder teilweise umgreifen und im Bereich ihrer Stoßstellen miteinander verbinden, wobei die Halteklammern für sich in kraftschlüssiger und/oder formschlüssiger Verbindung mit der Innenwand der Hohlprofile stehen.This object is achieved according to the invention in that individual retaining clips are provided in the hollow profiles in the profile longitudinal direction, which surround the individual, also in the profile longitudinal direction abutting insertion part in whole or in part and connect with each other in the region of their joints, wherein the retaining clips are in frictional and / or positive connection with the inner wall of the hollow profiles.

Der durch die Erfindung erreichte Vorteil besteht zunächst im Wesentlichen darin, dass die Einschubteile nicht lose in die Hohlkammern eingebracht, sondern von den Halteklammern an den Innenwänden der Hohlkammern gehalten sind, so dass auch das vollständige Wegschmelzen der der Brandseite zugewandten Profilwand nicht zu einem Herausfallen der Einschubteile führen kann. Da die Einschubteile, die in der Regel zu mehreren hintereinander anstoßend in die Hohlkammern eingesetzt werden, im Stoßbereich durch die Halteklammern miteinander verbunden sind, so dass sich ein "einstückiges" Einschubteil ergibt, besteht der weitere Vorteil, dass der Einschub im oberen Bereich der Konstruktion, der sich im Brandfall schneller aufheizt, trotz der erweichenden bzw. wegschmelzenden Profilteile nach wie vor durch die im unteren Bereich der Konstruktion noch gegebene Fixierung gehalten ist.The advantage achieved by the invention initially consists essentially in the fact that the insertion parts are not loosely introduced into the hollow chambers, but are held by the retaining clips on the inner walls of the hollow chambers, so that the complete melting off the fire side facing profile wall does not fall out of the Insertion parts can lead. Since the insertion parts, which are usually used to several successive abutting in the hollow chambers, are joined together in the joint area by the retaining clips, so that there is a "one-piece" insertion part, there is the further advantage that the insert in the upper part of the construction , which heats up faster in case of fire, despite the softening or melting away profile parts is still held by the still given in the lower part of the construction fixation.

Da sich im Übrigen eine verstärkte Brandschutzwirkung im Bereich der Halteklammern gezeigt hat, wird im Rahmen der Erfindung vorgeschlagen, dass auch im Bereich zwischen den Stoßstellen der Einschubteile zusätzliche Halteklammern vorgesehen sein können.Since, moreover, has shown an enhanced fire protection effect in the region of the retaining clips, it is proposed in the invention that additional retaining clips can be provided in the region between the joints of the insertion parts.

Im gleichen Sinne ist es auch zweckmäßig, dass die Einschubteile zusätzlich an ihren freien Enden mit Halteklammern versehen sind.In the same sense, it is also expedient that the insertion parts are additionally provided at their free ends with retaining clips.

Weiter ist es im Rahmen der Erfindung von Vorteil, wenn die Einschubteile von im Querschnitt im Wesentlichen rechteckförmiger Gestalt und die Halteklammern als U-profilförmige Blechwinkel ausgebildet sind.Further, it is within the scope of the invention advantageous if the insertion parts of substantially rectangular in cross-section shape and the retaining clips are formed as U-shaped metal sheet angle.

Hierbei hat es sich als eine vorteilhafte Ausgestaltung herausgestellt, dass die Halteklammer mit ihren beiden Profilschenkeln den Breitseiten des Einschubprofils anliegt.It has been found to be an advantageous embodiment that the retaining clip abuts with its two profile legs the broad sides of the insertion profile.

Um eine optimale Fixierung in der Hohlkammer zu erreichen, ist die Halteklammer zweckmäßigerweise mit auswärts gerichteten Haltekrallen versehen. Hierbei hat es sich weiter als zweckmäßig erwiesen, wenn die Haltekrallen der Halteklammer am Profilrücken angeordnet sind.In order to achieve optimum fixation in the hollow chamber, the retaining clip is expediently provided with outwardly directed retaining claws. Here, it has further proven to be useful when the retaining claws of the retaining clip are arranged on the profile back.

Die Haltekrallen können in besonders einfacher und daher im Rahmen der Erfindung bevorzugter Ausgestaltung aus dem Blechwinkel freigeschnitten und nach auswärts aufgebogen sein.The retaining claws can be cut free in a particularly simple and therefore within the scope of the invention preferred embodiment of the sheet metal angle and bent outwards.

Weiter hat es sich insbesondere für die Verarbeitung als günstig herausgestellt, wenn zumindest die zur Verbindung zweier Einschubteile vorgesehene Halteklammer mit etwa mittig angeordneten Anschlaglaschen für die Stirnfläche der Einschubteile versehen sind. Dadurch ist sichergestellt, dass beide miteinander zu verbindenden Einschubteile über eine etwa gleiche Länge von der Halteklammer umgriffen sind.Further, it has been found to be favorable in particular for processing, if at least provided for the connection of two insertion parts retaining clip are provided with approximately centrally arranged stop tabs for the end face of the insertion parts. This ensures that both insertion parts to be joined together are encompassed over an approximately equal length by the retaining clip.

Die Anschlaglaschen sind vorteilhafterweise in den Profilschenkeln der Halteklammern angeordnet, aus diesen freigeschnitten und nach einwärts abgewinkelt.The stop tabs are advantageously arranged in the profile legs of the retaining clips, cut out of these and angled inwardly.

Um die Wirkung der Einschubteile weiter zu erhöhen, können diese an einer oder mehreren ihrer Außenflächen mit Intumeszenzstreifen belegt sein. Diese Intumeszenzstreifen, die oberhalb von ca. 300°C zu schmelzen beginnen, dringen dann in den Spalt zwischen Einschubteil und Profil ein und bewirken durch die dann auftretenen Adhäsionskräfte einen Klebeverbund aus den Brandschutzplatten, dem Intumeszenzmaterial und der Aluminiumwand. Auch hierdurch wird das Herausbrechen von flächigen Wandstücken während der Erweichungsphase selbst bei schon stark deformiertem Rahmen verzögert.To further increase the effect of the insertion parts, they can be covered on one or more of their outer surfaces with Intumeszenzstreifen. These intumescent strips, which begin to melt above about 300 ° C., then penetrate into the gap between the insertion part and the profile and, due to the adhesion forces then occurring, cause an adhesive bond consisting of the fire protection plates, the intumescent material and the aluminum wall. This also delays the breakage of flat wall pieces during the softening phase, even with a heavily deformed frame.

Hierbei bietet es sich im Rahmen der Erfindung an, dass die Intumeszenzstreifen an den Breitseiten des Einschubteils zwischen den freien Enden der Profilschenkel der Halteklammern angeordnet sind.In the context of the invention, it is appropriate here for the intumescent strips to be arranged on the broad sides of the insertion part between the free ends of the profile legs of the retaining clips.

Des weiteren können auch die zur Anlage an einen Eckwinkel oder einem T-Verbinder kommende Stirnseiten des Einschubteils ebenfalls mit einem Intumeszenzstreifen belegt sein. Hierdurch wird erreicht, das alle Kavernen möglichst lange geschlossen bleiben, damit Wärmestrahlung und die direkte Beflammung von den Verbindungselementen möglichst lange ferngehalten wird.Furthermore, the front sides of the insertion part coming into contact with a corner bracket or a T-connector can likewise be covered with an intumescent strip. This ensures that all caverns remain closed as long as possible so that heat radiation and the direct flame of the fasteners is kept as long as possible.

Im folgenden wird die Erfindung an einem in der Zeichnung dargestellten Ausführungsbeispiel näher erläutert; es zeigen:

Fig. 1
eine perspektivische Darstellung eines Hohlprofils, in der Teilfigur a) vor dem Einsetzen der Einschubprofile, in der Teilfigur b) mit eingesetzten Einschubteilen,
Fig. 2
eine Explosionsdarstellung des Eckteils eines Rahmens,
Fig. 3
eine Explosionsdarstellung einer T-Verbindung des Rahmens,
Fig. 4
eine einzelne Halteklammer in zwei perspektivischen Ansichten.
In the following the invention will be explained in more detail in an embodiment shown in the drawing; show it:
Fig. 1
a perspective view of a hollow profile, in the partial figure a) before inserting the insertion profiles, in the subfigure b) with inserted insertion parts,
Fig. 2
an exploded view of the corner part of a frame,
Fig. 3
an exploded view of a T-connection of the frame,
Fig. 4
a single retaining clip in two perspective views.

Das in der Zeichnung nur teilweise dargestellte Hohlprofil dient zum Aufbau von Rahmen für Fenster, Türen, Fassadenteile und dergleichen und ist als Brandschutzelement aufgebaut.The hollow profile shown only partially in the drawing is used to build frames for windows, doors, facade parts and the like and is constructed as a fire protection element.

Im Einzelnen besteht das Hohlprofil 1 aus Aluminium, wobei im Innenraum des Hohlprofils Einschubteile 2 angeordnet sind, die dem Brandschutz dienen. Diese Einschubteile 2 enthalten Brandschutzmassen, die aus vorzugsweise kristallwasserbindenden Chemikalien wie Silikat- oder Gipsbaustoffen bestehen. Diese Einschubteile 2 oder auch Brandschutzplatten wirken energieverzehrend und dienen im Brandfalle zur Kühlung der Konstruktion.In detail, the hollow profile 1 is made of aluminum, wherein in the interior of the hollow profile insertion parts 2 are arranged, which serve the fire protection. These insertion parts 2 contain fire protection compounds, which consist of preferably water-binding chemicals such as silicate or gypsum building materials. These plug-in parts 2 or fire protection boards act energy-consuming and are used in case of fire to cool the structure.

Da die üblicherweise verwendeten Aluminiumlegierungen bei ca. 420°C knetweich werden und bei ca. 640°C in den schmelzweichen Zustand übergehen, die aus derartigen Brandschutzelementen bestehende Konstruktion brandseitig jedoch weit höheren Temperaturen standhalten muss, ist dafür zu sorgen, dass selbst nach dem Aufschmelzen des Hohlprofils 1 auf der dem Brandherd zugewandten Seite die Einschubteile 2 innerhalb der stehengebliebenen Reste der Hohlprofile 1 verbleiben und diese soweit bzw. solange wie möglich schützen.Since the commonly used aluminum alloys at about 420 ° C are kneaded soft and pass at about 640 ° C in the melted state, the existing fire-resistant elements such construction must withstand much higher temperatures, it is necessary to ensure that even after melting the hollow profile 1 on the side facing the fire, the insertion parts 2 remain within the left-over remains of the hollow sections 1 and protect them as far as possible or as long as possible.

Hierzu sind in den Hohlprofilen 1 in Profillängsrichtigung einzelne Halteklammern 3 vorgesehene die die einzelnen, ebenfalls in Profillängsrichtigung aneinander stoßenden Einschubteile 2 ganz oder teilweise umgreifen und im Bereich ihrer Stoßstellen 4 miteinander verbinden. Hierdurch anstehen aus den einzelne Einschubteilen 2 "einstückige" Elemente, die über ihre gesamte Länge eine hinreichende Stabilität aufweisen. Da sich die Rahmenkonstruktion im Brandfall im unteren Bereich langsamer aufheizt als im oberen Bereich, ist hierdurch sichergestellt, dass die durch die Halteklammern 3 zu einer Einheit zusammengefassten einzelnen Einschubteil 2 im unteren Teil der Konstruktion noch sichter fixiert sind und somit den oberen Teil der Konstruktion stutzen.For this purpose, individual retaining brackets 3 are provided in the hollow sections 1 in profile longitudinal direction provided which encompass the individual, also in profile longitudinal direction abutting insert parts 2 wholly or partially and connect with each other in the region of their joints. As a result, from the individual insertion parts 2 "integral" elements are present, which have sufficient stability over their entire length. Since the frame construction heats up slower in the lower region in the event of fire than in the upper region, this ensures that the individual insertion part 2 combined into one unit by the retaining clips 3 are still more securely fixed in the lower part of the construction and thus trim the upper part of the construction ,

Zusätzlich ist vorgesehen, dass die Halteklammern 3 für sich in kraftschlüssiger und/oder formschlüssiger Verbindung mit der Innenwand der Hohlprofile 1 stehen, wodurch die Hohlprofile 1 im Brandfall eine zusätzliche Stabilität erfahren.In addition, it is provided that the retaining clips 3 are in frictional and / or positive connection with the inner wall of the hollow sections 1, whereby the hollow profiles 1 experience additional stability in case of fire.

Da sich gezeigt hat, dass grundsätzlich, im Bereich der Halteklammern 3 eine längere Standzeit der Hohlprofile 1 erreicht wird, können auch im Bereich zwischen den Stoßstellen 4 der Einschubteil 2 zusätzliche Halteklammern 3 vorgesehen sein. Auch an den freien Enden 5 der Einschubteil 2 ist es sinnvoll, jeweils Halteklammern 3 vorzusehen.Since it has been shown that, in principle, a longer service life of the hollow profiles 1 is achieved in the region of the retaining clips 3, additional retaining clips 3 can also be provided in the region between the joints 4 of the insertion part 2. Also at the free ends 5 of the insertion part 2, it is useful to provide each retaining clips 3.

Wie sich aus der Zeichnung ersehen lässt, sind die Einschubteil 2 - üblicherweise von im Querschnitt im wesentlichen rechteckförmiger Gestalt. Die Halteklammern 3 sind dementsprechend als U-profilförmige Blechwinkel ausgebildet, wobei die Halteklammer 3 hier mit ihren beiden Profilschenkeln 3.1, 3.2 den Breitseiten des Einschubteils 2 anliegt.As can be seen from the drawing, the insertion part 2 - usually of cross-section substantially rectangular shape. The retaining clips 3 are accordingly designed as a U-profile-shaped plate angle, wherein the retaining clip 3 here with their two profile legs 3.1, 3.2 abuts the broad sides of the insertion part 2.

Wie sich aus den Fig. 1 - 3 und insbesondere aus der Fig. 4 ersehen lässt, ist die Halteklammer 3 mit auswärts gerichteten Haltekrallen 6 versehen, die sich gegen die Innenwand des Hohlprofils 1 abstützen. Diese Haltekrallen 6 sind aus dem Blechwinkel freigeschnitten und nach auswärts ausgebogen.As is clear from the Fig. 1-3 and in particular from the Fig. 4 can be seen, the retaining clip 3 is provided with outwardly directed retaining claws 6, which are supported against the inner wall of the hollow section 1. These retaining claws 6 are cut free from the sheet metal angle and bent outwards.

Die in Fig. 4 dargestellte Halteklammer 3 ist zur Verbindung zweier Einschubteile 2 vorgesehen und weist daher etwa mittig angeordnete Anschlaglaschen 7 für die Stirnfläche der Einschubteile 2 auf. Damit ist sichergestellt, dass die miteinander zu verbindenden Einschubteile 2 in gleichem Maße von der Halteklammer 3 umgriffen sind.In the Fig. 4 shown retaining clip 3 is provided for connecting two insertion parts 2 and therefore has approximately centrally arranged stop tabs 7 for the end face of the insertion parts 2. This ensures that the insertion parts 2 to be joined together are encompassed by the retaining clip 3 to the same extent.

Die Anschlaglaschen 7 sind in den Profilschenkeln 3.1, 3.2 der Halteklammer 3 angeordnet, aus diesen freigeschnitten und nach einwärts abgewinkelt.The stop tabs 7 are arranged in the profile legs 3.1, 3.2 of the retaining clip 3, cut out of these and angled inwardly.

Zur weiteren Verbesserung des Brandschutzes bzw. der Standzeit sind die Einschubteile 2 an einer oder mehreren ihrer Außenflächen mit Intumeszenzstreifen 8 belegt. Bei dem in der Zeichnung dargestellten Ausführungsbeispiel sind die Intumeszenzstreifen 8 an den Breitseiten des Einschubteils 2, nämlich zwischen den freien Enden der Profilschenkel 3.1, 3.2 der Halteklammern 3 angeordnet. Zusätzlich ist, wie sich aus den Figuren 2 und 3 ersehen lässt, die zur Anlage an einen Eckwinkel 9 oder einem T-Verbinder 10 kommende Stirnseite 5 des Einschubteils 2 ebenfalls mit einem Intumeszenzstreifen 8 belegt, so dass im Brandfall alle Kavernen im Bereich der Eckwinkel 9 und der T-Verbinder 10 möglichst lange geschlossen bleiben und somit die Wärmestrahlung und die direkte Beflammung von dem Verbindungselementen möglichst lange ferngehalten wird.To further improve the fire protection and the service life, the insertion parts 2 are occupied at one or more of their outer surfaces with Intumeszenzstreifen 8. In the embodiment shown in the drawing, the Intumeszenzstreifen 8 on the broad sides of the insertion part 2, namely between the free ends of the profile legs 3.1, 3.2 of the retaining clips 3 are arranged. In addition, as is clear from the Figures 2 and 3 can be seen, which comes to rest on a corner bracket 9 or a T-connector 10 coming end face 5 of the insertion part 2 also with an Intumeszenzstreifen 8, so that in case of fire all caverns in the area of the corner 9 and the T-connector 10 remain closed as long as possible and thus the heat radiation and the direct flame of the fasteners is kept as long as possible.

Claims (13)

  1. A fire retardant element which is made up from metallic hollow profile members, in particular comprising aluminium, in a simple or heat-insulated form, in particular in the form of a frame for windows, doors, façade portions and the like, comprising insert portions which are arranged in the interior of the hollow profile members and which serve for fire resistance and which have fire retardant masses preferably comprising water of crystallisation-binding chemicals like silicate or gypsum materials, characterised in that provided in the hollow profile members (1) in the longitudinal direction of the profile members are individual holding clips which entirely or partially embrace the individual insert portions (2) which also butt against each other in the longitudinal direction of the profile members and connect them together in the region of their butting locations (4), wherein the holding clips (3) in themselves are in force-locking and/or positively locking connecting relationship with the inside wall of the hollow profile members (1).
  2. A fire retardant element according to claim 1 characterised in that additional holding clips (3) are also provided in the region between the butting locations (4) of the insert portions (2).
  3. A fire retardant element according to claim 1 or claim 2 characterised in that the insert portions (2) are additionally provided with holding clips (3) at their free ends.
  4. A fire retardant element according to one of claims 1 to 3 characterised in that the insert portions (2) are of a substantially rectangular configuration in cross-section and the holding clips (3) are in the form of angle sheet members in the shape of a U-profile.
  5. A fire retardant element according to claim 4 characterised in that the holding clip (3) bears with its two profile limbs (3.1, 3.2) against the wide sides (2) of the insert portion.
  6. A fire retardant element according to one of claims 1 to 5 characterised in that the holding clip (3) is provided with outwardly directed holding claws (6).
  7. A fire retardant element according to claim 6 characterised in that the holding claws (6) of the holding clip (3) are arranged at the profile back.
  8. A fire retardant element according to claim 6 or claim 7 characterised in that the holding claws (6) are cut free from the angle sheet member and are bent outwardly.
  9. A fire retardant element according to one of claims 1 to 8 characterised in that at least the holding clip (3) intended for the connection of two insert portions (2) is provided with approximately centrally arranged abutment tabs (7) for the end face of the insert portions (2).
  10. A fire retardant element according to claim 9 characterised in that the abutment tabs (7) are arranged in the profile limbs (3.1, 3.2) of the holding clip (3), are cut free from same and are angled inwardly.
  11. A fire retardant element according to one of claims 1 to 10 characterised in that the insert portions (2) are covered with intumescence strips (8) at one or more of their outside surfaces.
  12. A fire retardant element according to claim 11 characterised in that the intumescence strips are arranged at the wide sides of the insert portion between the free ends of the profile limbs (3.1, 3.2) of the holding clips (3).
  13. A fire retardant element according to claim 11 or claim 12 characterised in that the end (5) of the insert portion (2), that comes into contact against a corner angle member (9) or a T-shaped connector (10), is also covered with an intumescence strip (8).
EP09014654.9A 2008-12-18 2009-11-25 Fire retardant element Active EP2199524B1 (en)

Priority Applications (1)

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PL09014654T PL2199524T3 (en) 2008-12-18 2009-11-25 Fire retardant element

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DE200810063650 DE102008063650A1 (en) 2008-12-18 2008-12-18 Fire protection element

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EP2199524A2 EP2199524A2 (en) 2010-06-23
EP2199524A3 EP2199524A3 (en) 2014-06-18
EP2199524B1 true EP2199524B1 (en) 2018-01-10

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EP09014654.9A Active EP2199524B1 (en) 2008-12-18 2009-11-25 Fire retardant element

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EP (1) EP2199524B1 (en)
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PL (1) PL2199524T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013105101U1 (en) * 2013-11-12 2013-11-21 SCHÜCO International KG composite profile
DE102013112435A1 (en) * 2013-11-12 2015-05-13 SCHÜCO International KG Composite profile and method for producing a composite profile
CN105221029B (en) * 2015-09-25 2017-03-22 江苏源盛复合材料技术股份有限公司 Thermal-insulation fireproof window
CN106320902A (en) * 2016-10-17 2017-01-11 青岛万和装饰门窗工程有限公司 Aluminum alloy thermal-insulation and fire-resistant window
DE102022130070A1 (en) * 2022-11-14 2024-05-16 HUECK System GmbH & Co. KG CONNECTORS FOR CONNECTING HOLLOW PROFILES

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719803C2 (en) * 1987-06-13 1996-09-12 Brandschutz Indverband Fire retardant glazed partition
DE4443762A1 (en) * 1994-12-08 1996-06-13 Schueco Int Kg Framework made of metal profiles in fire protection for windows, doors, facades or glass roofs
DE19708443A1 (en) 1997-03-01 1998-09-24 Wicona Bausysteme Gmbh Fire protection element
DE10003953A1 (en) * 2000-01-29 2001-08-09 Wicona Bausysteme Gmbh Fire protection facade or glass roof with a supporting structure consisting of vertical and horizontal profiles

Non-Patent Citations (1)

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Title
None *

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Publication number Publication date
EP2199524A3 (en) 2014-06-18
DE102008063650A1 (en) 2010-07-01
PL2199524T3 (en) 2018-08-31
EP2199524A2 (en) 2010-06-23

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