EP1538297B2 - Partitioned insert for fire doors - Google Patents

Partitioned insert for fire doors Download PDF

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Publication number
EP1538297B2
EP1538297B2 EP04027553.9A EP04027553A EP1538297B2 EP 1538297 B2 EP1538297 B2 EP 1538297B2 EP 04027553 A EP04027553 A EP 04027553A EP 1538297 B2 EP1538297 B2 EP 1538297B2
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EP
European Patent Office
Prior art keywords
fire
fire protection
door
protection insert
fire door
Prior art date
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EP04027553.9A
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German (de)
French (fr)
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EP1538297B1 (en
EP1538297A3 (en
EP1538297A2 (en
Inventor
Edgar Werner
Horst Keller
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Saint Gobain Isover G+H AG
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Saint Gobain Isover G+H AG
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Application filed by Saint Gobain Isover G+H AG filed Critical Saint Gobain Isover G+H AG
Priority to PL04027553T priority Critical patent/PL1538297T5/en
Publication of EP1538297A2 publication Critical patent/EP1538297A2/en
Publication of EP1538297A3 publication Critical patent/EP1538297A3/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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E06B3/7015—Door leaves characterised by the filling between two external panels
    • E06B2003/7032—Door leaves characterised by the filling between two external panels of non-vegetal fibrous material, e.g. glass or rock wool

Definitions

  • the present invention relates to a fire door according to the preamble of claim 1.
  • Fire doors are usually constructed of a sheet steel sheathing with appropriate framework and arranged in the shell fire protection insert, the fire protection insert next to heat-insulating materials, such as mineral wool and especially rock wool and fire retardants, which by heat in case of fire an endothermic chemical and / or physical reaction, such as phase transformations or the release of physically and / or chemically bound water, so that the heat generated by the fire is at least partially reduced by the corresponding reactions.
  • heat-insulating materials such as mineral wool and especially rock wool and fire retardants
  • phase transformations or the release of physically and / or chemically bound water so that the heat generated by the fire is at least partially reduced by the corresponding reactions.
  • the service lives required according to the standardized fire resistance classes are achieved.
  • a fire door of fire resistance class F30 must reach a 30-minute life, with a predetermined temperature, about 1000 ° C, acting on the door fire side without the temperature on the protected side rising above a certain limit may.
  • there are various standardized fire resistance classes such as F30, F60 or F
  • Such fire doors are, such as in the DE 199 52 931 A1 described, either multi-layered with outer thermal barrier coatings and a preferably centrally arranged fire protection agent layer or even executed within the heat insulation evenly distributed or integrated in this fire protection.
  • a multi-layered construction with multiple layers in the thickness direction is often chosen, since at the required thicknesses of the fire protection inserts or the fire doors, the fire protection inserts in one piece achieve too high a weight and therefore complicate the production of fire doors.
  • multi-layer door protection inserts increase the effort of introducing the fire protection insert into the shell of the fire door.
  • the insert itself is always present in a plate shape according to the height of the cavity of the steel door to be filled.
  • the fire protection insert is made on the one hand in several parts, wherein at least one upper and one lower part or optionally also a plurality of superposed parts, ie layers, are provided and on the other hand, the parts are equipped with different fire retardancy.
  • a plate is used to fill the cavity of the steel sheet door, but at least two insulating elements, also facilitates handling during assembly of the fire door, since the difficult handling of large areas and thus fracture-susceptible plates of the fire protection insert is avoided.
  • the production of fire doors usually not yet done mechanically, but the installation is done manually. This simplifies the manufacture of fire doors.
  • the critical area is located in the upper area of the steel door, since the upper door seal in the frame on the transversely and bilaterally present steel sheet better transfers the temperature to the door leaf than, for example, in the central area of the fire door, where the frame rests only on both sides of the door leaf.
  • the insulating liner sags downwards, which means that the density at the top is increasingly lower and therefore high temperatures in the upper region on the side facing away from the fire can be measured after a short time.
  • the insulation insert is designed starting from the critical region, which means that when using a fire insulation board, the plate must be designed overall with respect to the critical area. This inevitably results in a corresponding cost of materials, which also leads to an increase in the price of the fire door.
  • the parts can be designed individually to the corresponding fire retardant properties, it is possible that the uppermost insulating element, ie the insulating element, which is located in the critical area, can be designed according to these criteria, whereas the lower Insulating elements on the other hand, lower fire protection resistance can be designed.
  • a middle layer can be provided in the door lock area in the door lock area in the width direction of the door, which in turn can be subdivided into a door lock segment and a residual segment, so that prefabricated standardized components are used for the door lock segment can. This also simplifies the production of fire doors considerably.
  • the more fire retardant parts are provided in the upper area of the fire door in a range of up to 25% to 40%, especially about 30% and 33% of the total height of the door, since normally the increased temperature load will occur in this area, especially in the upper third of the door.
  • additional fire retardants may be provided or integrated in the fire protection liner, preferably a fabric which will react when the temperature rises or falls.
  • Heat load shows an endothermic chemical and / or physical reaction, in particular in the form of a phase transformation and / or dehydration.
  • Such substances are, for example, hydroxides, in particular metal hydroxides, preferably having proven here aluminum or magnesium hydroxide.
  • These substances can be evenly distributed in the fire protection insert of mineral wool and especially rock wool or used in a separate layer, for example using binders such as water glass, silica sol and / or Magnesiabinder.
  • binders such as water glass, silica sol and / or Magnesiabinder.
  • Several corresponding fire protection layers may be provided, but it has been proven to provide a single layer in the middle of the parts of the fire protection insert.
  • Fig. 1 a side view of a fire door 1 is shown, the peripherally has a frame structure 2, which together with sheet steel shells 3 and 4 (see FIGS. 2 and 3 ) forms an outer shell of the fire door 1.
  • a frame structure 2 which together with sheet steel shells 3 and 4 (see FIGS. 2 and 3 ) forms an outer shell of the fire door 1.
  • two parts 5 and 6 of a fire protection insert are arranged, wherein the upper part 5 extends over approximately 40% of the total length of the door, while the lower part 6 is in the remaining area of about 60% of the total length.
  • both the upper part 5 and the lower part 6 is constructed in three layers and that of a first rock wool layer 7 and a second rock wool layer 9, which are arranged on the outer sides, and a centrally located between the rock wool layers 7 and 9 fire protection layer 8.
  • Die Fire protection layer 8 may in this case consist of a dehydrating agent when exposed to heat, for example a dehydrating hydroxide such as aluminum hydroxide or magnesium hydroxide, which is mixed with binders such as water glass, silica sol and / or magnesia binder.
  • a dehydrating hydroxide such as aluminum hydroxide or magnesium hydroxide
  • binders such as water glass, silica sol and / or magnesia binder.
  • the fireproofing agent layer 8 may also comprise rockwool or, in general, mineral wool into which the fire retardant, which exhibits an endothermic chemical and / or physical reaction in the event of heat, is incorporated or integrated.
  • the upper part 5 and the lower part 6 are each as a plate executed, but the individual layers, so the first mineral wool layer 7 and the second mineral wool layer 9 and the fire protection layer 8 may also be formed as separate parts, in particular in plate form.
  • the abutting and abutting parts preferably have a shape such that they can be assembled in the manner of a positive connection or a centering connection, so that a butt overlap is achieved.
  • a stepped rebate or a tongue and groove connection has proven itself, as in Fig. 3 with the shiplap shown at 11 is the case.
  • the Fig. 4 shows a further embodiment of a fire door 100 according to the invention, in which the peripheral frame 12 is shown only schematically.
  • the fire door 100 has a fire protection insert, which comprises a total of three parts 14 to 16, wherein at 13 a free space for a later to be used lock box is recessed. While the upper part 15 and the lower part 16 with the upper part 5 and the lower part 6 of the preceding embodiment of the Fig. 1 to 3 are comparable, a middle layer between the upper part 15 and lower part 16 is provided with the segment 14 in the fire door 100, which is formed shorter by the width of the lock box.
  • This subdivision of the fire protection insert into a total of three parts 14 to 16 is advantageous when a lock or lock case is to be provided in the region of the free space 13. Due to the space provided 13 advantageously eliminates subsequent processing of the door panel to use a lock case can.
  • seams 17,18 and 19 formed by the subdivision of the fire protection insert of the fire door 100 can analogously to the seam 10 of the embodiment of Fig. 3 be formed.

Abstract

Fire protection door comprises a fire protection insert divided into several separate partial sections with different fire-preventing properties. Preferred Features: The partial sections are divided into several layers in the direction of the thickness of the insert. The fire protection insert comprises a fire protection agent which shows an endothermic chemical and/or physical reaction, especially phase conversion and/or water splitting, during a temperature rise. The fire protection agent is made from a hydroxide, preferably aluminum or magnesium hydroxide.

Description

Die vorliegende Erfindung betrifft eine Feuerschutztür nach dem Oberbegriff des Anspruchs 1.The present invention relates to a fire door according to the preamble of claim 1.

Feuerschutztüren sind üblicherweise aus einer Hülle aus Stahlblech mit entsprechendem Rahmenwerk und einer in der Hülle angeordneten Feuerschutzeinlage aufgebaut, wobei die Feuerschutzeinlage neben wärmedämmenden Stoffen, wie Mineralwolle und insbesondere Steinwolle auch Brandschutzmittel aufweist, die durch Wärmeeinwirkung im Brandfall eine endotherme chemische und/oder physikalische Reaktion, wie beispielsweise Phasenumwandlungen oder die Abgabe von physikalisch und/oder chemisch gebundenem Wasser verursachen, so dass die durch den Brand erzeugte Wärme zumindest teilweise durch die entsprechenden Reaktionen reduziert wird. Dadurch wird erreicht, dass die gemäß den genormten Feuerwiderstandsklassen erforderlichen Standzeiten erreichtwerden. Beispielsweise muss eine Feuerschutztür der Feuerwiderstandsklasse F30 eine 30-minütige Standzeit erreichen, wobei auf der Brandseite der Tür eine vorgegebene Temperatur, etwa 1000 °C, auf die Tür einwirkt, ohne dass innerhalb der Standzeit auf der geschützten Seite die Temperatur über einen bestimmten Grenzwert ansteigen darf. Entsprechend gibt es verschiedene normierte Feuerwiderstandklassen wie F30, F60 oder F90, bei denen die entsprechenden Standzeiten 30, 60 oder 90 Minuten betragen müssen.Fire doors are usually constructed of a sheet steel sheathing with appropriate framework and arranged in the shell fire protection insert, the fire protection insert next to heat-insulating materials, such as mineral wool and especially rock wool and fire retardants, which by heat in case of fire an endothermic chemical and / or physical reaction, such as phase transformations or the release of physically and / or chemically bound water, so that the heat generated by the fire is at least partially reduced by the corresponding reactions. It is thereby achieved that the service lives required according to the standardized fire resistance classes are achieved. For example, a fire door of fire resistance class F30 must reach a 30-minute life, with a predetermined temperature, about 1000 ° C, acting on the door fire side without the temperature on the protected side rising above a certain limit may. Accordingly, there are various standardized fire resistance classes such as F30, F60 or F90, where the corresponding service lives must be 30, 60 or 90 minutes.

Derartige Feuerschutztüren werden, wie beispielsweise in der DE 199 52 931 A1 beschrieben, entweder mehrlagig mit äußeren Wärmedämmschichten und einer vorzugsweise mittig angeordneten Brandschutzmittellage oder auch mit innerhalb der Wärmedämmung gleichmäßig verteilten oder in diese integrierten Brandschutzmitteln ausgeführt. Jedoch wird auch in letzterem Falle oft ein mehrlagiger Aufbau mit mehreren Lagen in Dickenrichtung gewählt, da bei den erforderlichen Dicken der Feuerschutzeinlagen bzw. der Feuerschutztüren die Feuerschutzeinlagen in einstückiger Ausführung ein zu hohes Gewicht erreichen und deshalb die Herstellung von Feuerschutztüren erschweren würden. Mehrlagige Türschutzeinlagen erhöhen jedoch den Aufwand der Einbringung der Feuerschutzeinlage in die Hülle der Feuerschutztür. Die Einlage selbst liegt hierbei immer in Plattenform entsprechend der Höhe des zu füllenden Hohlraumes der Stahltür vor.Such fire doors are, such as in the DE 199 52 931 A1 described, either multi-layered with outer thermal barrier coatings and a preferably centrally arranged fire protection agent layer or even executed within the heat insulation evenly distributed or integrated in this fire protection. However, even in the latter case, a multi-layered construction with multiple layers in the thickness direction is often chosen, since at the required thicknesses of the fire protection inserts or the fire doors, the fire protection inserts in one piece achieve too high a weight and therefore complicate the production of fire doors. However, multi-layer door protection inserts increase the effort of introducing the fire protection insert into the shell of the fire door. The insert itself is always present in a plate shape according to the height of the cavity of the steel door to be filled.

Ausgehend von diesem Stand der Technik ist es Aufgabe der vorliegenden Erfindung eine Feuerschutztür bereitzustellen, die einfach und kostengünstig herstellbar ist und dennoch den Anforderungen des Brandschutzes insbesondere gemäß der vorgegebenen Feuerwiderstandsklassen genügt.Based on this prior art, it is an object of the present invention to provide a fire door that is simple and inexpensive to produce and yet meets the requirements of fire protection in particular according to the predetermined fire resistance classes.

Diese Aufgabe wird gelöst durch eine Brandschutztür mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen sind Gegenstand der abhängigen Ansprüche.This object is achieved by a fire door with the features of claim 1. Advantageous embodiments are the subject of the dependent claims.

Gemäß der Erfindung wird die Feuerschutzeinlage einerseits mehrteilig ausgeführt, wobei mindestens ein oberer und ein unterer Teil oder gegebenenfalls auch mehrere übereinander angeordnete Teile, d. h. Schichten, vorgesehen sind und andererseits werden die Teile mit unterschiedlicher Feuerhemmeigenschaft ausgerüstet. Dadurch, dass erfindungsgemäß nicht nur eine Platte zur Füllung des Hohlraums der Stahlblechtür verwendet wird, sondern mindestens zwei Dämmelemente, erleichtert sich auch die Handhabung bei der Montage der Feuerschutztür, da die schwierige Handhabung von Großflächen und damit bruchanfälligen Platten der Feuerschutzeinlage vermieden wird. Hierbei ist zu berücksichtigen, dass die Fertigung von Feuerschutztüren in der Regel noch nicht mechanisch erfolgt, vielmehr die Montage manuell erfolgt. Dadurch vereinfacht sich die Herstellung von Feuerschutztüren. Aufgrund der erfindungsgemäß vorgenommenen Unterteilung kann aber auch das einzelne Teil bzw. Dämmelement speziell auf die geforderten Feuerschutzeigenschaften ausgelegt werden. Hierbei ist erkannt worden, dass in aller Regel der kritische Bereich sich im oberen Bereich der Stahltür befindet, da der obere Türabschluss in der Zarge über des quer und beidseitig vorliegende Stahlblech die Temperatur auf das Türblatt besser überträgt als z.B. im mittleren Bereich der Feuerschutztüre, wo die Zarge nur beidseitig am Türblatt anliegt. Ferner sackt mit zunehmender Erhitzung die Dämmeinlage nach unten, wodurch die Dichte oben also zunehmend geringerwird und deswegen hohe Temperaturen im oberen Bereich auf der dem Feuer abgewandten Seite bereits nach kurzer Zeit gemessen werden können. Da aber die Feuerschutzeinlage auf Standzeit auszulegen ist, wird im Stand derTechnik die Dämmeinlage ausgehend vom kritischen Bereich ausgelegt, was dazu führt, dass bei Verwendung einer Feuerdämmplatte die Platte insgesamt in Bezug auf den kritischen Bereich ausgelegt werden muss. Dies hat zwangsläufig einen entsprechenden Materialaufwand zur Folge, was auch zu einer Verteuerung der Feuerschutztür führt. Dadurch, dass nach Maßgabe der Erfindung jedoch die Teile individuell auf die entsprechenden Feuerhemmeigenschaften ausgelegt werden können, ist es möglich, dass das oberste Dämmelement, also das Dämmelement, welches sich im kritischen Bereich befindet, entsprechend auf diese Kriterien ausgelegt werden kann, wohingegen die unteren Dämmelemente auf demgegenüber geringere Feuerschutzbeständigkeit ausgelegt werden können. D. h., im oberen Bereich wird das Mineralwolle-Dämmelement mit einer erhöhten Dichte gefertigt, wohingegen der Rohdichtebereich für die unteren Dämmelemente herabgesetzt werden kann. Dadurch können Überdimensionierungen im unteren Bereich verhindert werden, wodurch sich insgesamt eine entsprechende Kosteneinsparung ergibt. Dadurch ergibt sich eine Feuerschutztür mit einer den zu erwartenden Temperaturbelastungen speziell angepassten Feuerschutzeinlage, die sozusagen bereichsweise mit der geforderten feuerhemmenden Wirkung ausgerüstetwerden kann. Es ergeben sich dadurch erheblichere Ressourceneinsparungen.According to the invention, the fire protection insert is made on the one hand in several parts, wherein at least one upper and one lower part or optionally also a plurality of superposed parts, ie layers, are provided and on the other hand, the parts are equipped with different fire retardancy. The fact that according to the invention not only a plate is used to fill the cavity of the steel sheet door, but at least two insulating elements, also facilitates handling during assembly of the fire door, since the difficult handling of large areas and thus fracture-susceptible plates of the fire protection insert is avoided. It should be noted that the production of fire doors usually not yet done mechanically, but the installation is done manually. This simplifies the manufacture of fire doors. Due to the invention made subdivision but also the individual part or insulating element can be designed specifically for the required fire protection properties. In this case, it has been recognized that as a rule the critical area is located in the upper area of the steel door, since the upper door seal in the frame on the transversely and bilaterally present steel sheet better transfers the temperature to the door leaf than, for example, in the central area of the fire door, where the frame rests only on both sides of the door leaf. Furthermore, with increasing heating, the insulating liner sags downwards, which means that the density at the top is increasingly lower and therefore high temperatures in the upper region on the side facing away from the fire can be measured after a short time. However, since the fire protection insert is to be designed for service life, in the prior art, the insulation insert is designed starting from the critical region, which means that when using a fire insulation board, the plate must be designed overall with respect to the critical area. This inevitably results in a corresponding cost of materials, which also leads to an increase in the price of the fire door. The fact that according to the invention, however, the parts can be designed individually to the corresponding fire retardant properties, it is possible that the uppermost insulating element, ie the insulating element, which is located in the critical area, can be designed according to these criteria, whereas the lower Insulating elements on the other hand, lower fire protection resistance can be designed. D. h., In the upper part of the mineral wool insulation element is made with an increased density, whereas the Rohdichtebereich for the lower insulating elements can be reduced. As a result, oversizing at the bottom can be prevented, resulting in a total cost savings. This results in a fire door with a specially adapted to the expected temperature loads fire protection insert, which can be equipped so to speak, partially with the required fire retardant effect. This results in more substantial resource savings.

Versuche haben ebenfalls ergeben, dass insbesondere die oberen Bereiche einer Feuerschutztür einer starken Temperaturbelastung ausgesetzt sind, während die unteren Bereiche geringere Temperaturbelastungen erfahren. So hat beispielsweise ein Versuch, bei dem eine Feuerschutztür auf der einen Seite einer Temperaturvon 1000 °C ausgesetzt war, ergeben, dass nach einer Standzeit von 100 Minuten auf dergeschützten Seite der Feuerschutztür Temperaturunterschiede von bis zu 100 K bestehen. Entsprechend ist es vorteilhaft in den weniger temperaturbelasteten unteren Bereichen geringer feuerhemmende Materialien, also insbesondere Mineralfaserplatten mit entsprechenden Brandschutzmitteln, vorzusehen als in den oberen Türbereichen mit hoher Temperaturbelastung.Experiments have also shown that in particular the upper areas of a fire door are exposed to a strong temperature load, while the lower areas experience lower temperature loads. For example, an experiment in which a fireproof door on the one hand was exposed to a temperature of 1000 ° C, revealed that after a life of 100 minutes on the protected side of the fire door temperature differences of up to 100 K. Accordingly, it is advantageous in the less thermally stressed lower areas of low fire retardant materials, ie in particular mineral fiber boards with appropriate fire protection, to provide than in the upper door areas with high temperature load.

Insgesamt ist es somit vorteilhaft, die Feuerschutzeinlage angepasst an die jeweiligen Bedürfnisse mehrteilig in der Art einer Modulbauweise aufzubauen, wobei eine Unterteilung der Feuerschutzeinlage nicht nur in Querrichtung schlechthin, sondern insbesondere quer im Bereich der Türschlösser sinnvoll sein kann. Selbstverständlich sind auch andere Aufteilungen möglich.Overall, it is thus advantageous to build the fire protection insert adapted to the respective needs in several parts in the manner of a modular construction, with a subdivision of the fire protection insert not only in the transverse direction per se, but especially in the field of door locks may be useful. Of course, other divisions are possible.

In Türschlosshöhe kann bei einer aus einem Oberteil und einem Unterteil aufgebauten Einlage imTürschlossbereich eine Mittelschicht vorgesehen sein, die wiederum in Breitenrichtung der Tür in zwei Teile und zwar in ein Türschlosssegment und ein Restsegment unterteilt sein kann, so dass für das Türschlosssegment vorgefertigte standardisierte Bauteile Verwendung finden können. Auch dies vereinfacht die Herstellung von Feuerschutztüren erheblich.In door lock height, a middle layer can be provided in the door lock area in the door lock area in the width direction of the door, which in turn can be subdivided into a door lock segment and a residual segment, so that prefabricated standardized components are used for the door lock segment can. This also simplifies the production of fire doors considerably.

Um zu verhindern, dass entlang der Stöße, an denen die entsprechenden Teile der Feuerschutzeinlage zusammenstoßen, insbesondere in Dickenrichtung ein schneller Feuer- bzw. Wärmedurchtritt erfolgen kann, ist es vorteilhaft, dass die sich zwischen den Teilen ergebenden Stöße zumindest in der Dickenrichtung der Feuerschutzeinlage stoßüberlappend ausgebildet sind. Dies kann durch eine zentrierende Verbindung der aneinander angrenzenden Teile der Feuerschutzeinlage bzw. eine Verbindung in Form eines Formschlusses erfolgen, beispielsweise über einen Stufenfalz oder eine Nut-/Feder-Verbindung, gegebenenfalls auch mit einer schnuroder strangartigen Einlage im Stoßbereich der Dämmelemente.In order to prevent a rapid passage of heat or heat past the joints along which the corresponding parts of the fire protection insert collide, it is advantageous for the impacts arising between the parts to be impact-overlapping at least in the thickness direction of the fire protection insert are formed. This can be done by a centering connection of the adjoining parts of the fire protection insert or a connection in the form of a positive connection, for example via a stepped rebate or a tongue and groove connection, possibly also with a cord or string-like insert in the joint area of the insulating elements.

Vorzugsweise werden die stärker feuerhemmenden Teile im oberen Bereich der Feuerschutztür in einem Bereich von bis zu 25 % bis 40 % insbesondere ca. 30 % bzw. 33 % derGesamthöhe derTürvorgesehen, da im Normalfall die erhöhte Temperaturbelastung in diesem Bereich auftritt, insbesondere im oberen Türdrittel.Preferably, the more fire retardant parts are provided in the upper area of the fire door in a range of up to 25% to 40%, especially about 30% and 33% of the total height of the door, since normally the increased temperature load will occur in this area, especially in the upper third of the door.

Zusätzlich können zusätzliche Brandschutzmittel in der Feuerschutzeinlage vorgesehen bzw. integriert sein, vorzugsweise ein Stoff, welcher bei Temperaturanstiegbzw. Wärmebelastung eine endotherme chemische und/oder physikalische Reaktion insbesondere in Form einer Phasenumwandlung und/oder Wasserabspaltung zeigt. Derartige Stoffe sind beispielsweise Hydroxide, insbesondere Metallhydroxide, wobei sich hier vorzugsweise Aluminium- oder Magnesiumhydroxid bewährt haben. Diese Stoffe können in der Feuerschutzeinlage aus Mineralwolle und insbesondere Steinwolle gleichmäßig verteilt sein oder in einer gesonderten Lage beispielsweise unter Verwendung von Bindemitteln wie Wasserglas, Kieselsol und/oder Magnesiabinder eingesetzt werden. Dabei können mehrere entsprechende Brandschutzmittellagen vorgesehen sein, wobei es sich jedoch bewährt hat, eine einzige Lage mittig in den Teilen der Feuerschutzeinlage vorzusehen.Additionally, additional fire retardants may be provided or integrated in the fire protection liner, preferably a fabric which will react when the temperature rises or falls. Heat load shows an endothermic chemical and / or physical reaction, in particular in the form of a phase transformation and / or dehydration. Such substances are, for example, hydroxides, in particular metal hydroxides, preferably having proven here aluminum or magnesium hydroxide. These substances can be evenly distributed in the fire protection insert of mineral wool and especially rock wool or used in a separate layer, for example using binders such as water glass, silica sol and / or Magnesiabinder. Several corresponding fire protection layers may be provided, but it has been proven to provide a single layer in the middle of the parts of the fire protection insert.

Weitere Vorteile, Kennzeichen und Merkmale der vorliegenden Erfindung werden bei der nachfolgenden detaillierten Beschreibung zweier Ausführungsbeispiele anhand der beigefügten Zeichnungen deutlich. Die beigefügten Zeichnungen zeigen dabei in rein schematischer Weise in

Fig. 1
eine Seitenansicht einer erfindungsgemäßen Feuerschutztür, bei welcher die Stahlblechschale an der Vorderseite weggelassen wurde;
Fig. 2
eine Schnittansichtder Feuerschutztür aus Fig. 1 entlang der Schnittlinie B-B;
Fig. 3
eine Schnittansicht der Feuerschutztür aus Fig. 1 entlang der Schnittlinie A-A; und in
Fig. 4
eine Seitenansicht einer weiteren Ausführungsform einer erfindungsgemäßen Feuerschutztür.
Further advantages, characteristics and features of the present invention will become apparent in the following detailed description of two embodiments with reference to the accompanying drawings. The accompanying drawings show in a purely schematic manner in
Fig. 1
a side view of a fire door according to the invention, in which the sheet steel shell has been omitted at the front;
Fig. 2
a sectional view of the fire door Fig. 1 along the section line BB;
Fig. 3
a sectional view of the fire door Fig. 1 along the section line AA; and in
Fig. 4
a side view of another embodiment of a fire door according to the invention.

In Fig. 1 ist eine Seitenansicht einer Feuerschutztür 1 dargestellt, die umfangseitig eine Rahmenkonstruktion 2 aufweist, die zusammen mit Stahlblechschalen 3 und 4 (siehe Fig. 2 und 3) eine äußere Hülle der Feuerschütztür 1 bildet. Innerhalb der Hülle sind zwei Teile 5 und 6 einer Feuerschutzeinlage angeordnet, wobei das Oberteil 5 sich über ca. 40 % der Gesamtlänge der Tür erstreckt, während sich das Unterteil 6 im Restbereich von also ca. 60 % der Gesamtlänge befindet. Wie insbesondere aus den Fig. 2 und 3 zu erkennen ist, ist sowohl das Oberteil 5 als auch das Unterteil 6 dreilagig aufgebaut und zwar aus einer ersten Steinwolllage 7 und einer zweiten Steinwolllage 9, die an den Außenseiten angeordnet sind, sowie einer mittig zwischen den Steinwolllagen 7 und 9 befindlichen Brandschutzmittellage 8. Die Brandschutzlage 8 kann hierbei aus einem, bei Wärmeeinwirkung wasserabspaltenden Stoff, beispielsweise einem wasserabspaltenden Hydroxid wie beispielsweise Aluminuim- oder Magnesiumhydroxid bestehen, welches mit Bindemitteln, wie Wasserglas, Kieselsol und/oder Magnesiabinder, vermischt ist. Selbstverständlich kann die Brandschutzmittellage 8 ebenfalls Steinwolle oderallgemein Mineralwolle umfassen, in welches das Brandschutzmittel, welches im Fall der Wärmeeinwirkung eine endotherme chemische und/oder physikalische Reaktion zeigt, eingelagert oder integriert ist.In Fig. 1 a side view of a fire door 1 is shown, the peripherally has a frame structure 2, which together with sheet steel shells 3 and 4 (see FIGS. 2 and 3 ) forms an outer shell of the fire door 1. Within the shell, two parts 5 and 6 of a fire protection insert are arranged, wherein the upper part 5 extends over approximately 40% of the total length of the door, while the lower part 6 is in the remaining area of about 60% of the total length. As in particular from the FIGS. 2 and 3 can be seen, both the upper part 5 and the lower part 6 is constructed in three layers and that of a first rock wool layer 7 and a second rock wool layer 9, which are arranged on the outer sides, and a centrally located between the rock wool layers 7 and 9 fire protection layer 8. Die Fire protection layer 8 may in this case consist of a dehydrating agent when exposed to heat, for example a dehydrating hydroxide such as aluminum hydroxide or magnesium hydroxide, which is mixed with binders such as water glass, silica sol and / or magnesia binder. Of course, the fireproofing agent layer 8 may also comprise rockwool or, in general, mineral wool into which the fire retardant, which exhibits an endothermic chemical and / or physical reaction in the event of heat, is incorporated or integrated.

In dem gezeigten Ausführungsbeispiel ist das Oberteil 5 sowie das Unterteil 6 jeweils als eine Platte ausgeführt, wobei jedoch die Einzellagen, also die erste Mineralwolllage 7 und die zweite Mineralwolllage 9 sowie die Brandschutzmittellage 8 auch als getrennte Teile insbesondere in Plattenform ausgebildet sein können.In the embodiment shown, the upper part 5 and the lower part 6 are each as a plate executed, but the individual layers, so the first mineral wool layer 7 and the second mineral wool layer 9 and the fire protection layer 8 may also be formed as separate parts, in particular in plate form.

Um an den Stößen der Teile, also in dem gezeigten Ausführungsbeispiel der Fig. 3 an dem Stoß 10 zwischen Oberteil 5 und Unterteil 6, eine Wärme- oder Feuerausbreitung entlang des Stoßes 10 zu verhindern, ist dieser so gestaltet, dass in Dickenrichtung der Feuerschutzeinlage eine Überlappung gegeben ist. Somit weisen die aneinander angrenzenden und zusammenstoßenden Teile vorzugsweise eine derartige Form auf, dass sie in Art eines Formschlusses oder einer zentrierenden Verbindung zusammengefügt werden können, so dass eine Stoßüberlappung erreicht wird. Hierbei hat sich insbesondere ein Stufenfalz oder eine Nut-/Feder-Verbindung bewährt, wie dies in Fig. 3 mit dem gezeigten Stufenfalz bei 11 der Fall ist.To the bumps of the parts, so in the illustrated embodiment of Fig. 3 at the joint 10 between the upper part 5 and lower part 6, to prevent heat or fire propagation along the joint 10, this is designed so that in the thickness direction of the fire protection insert is given an overlap. Thus, the abutting and abutting parts preferably have a shape such that they can be assembled in the manner of a positive connection or a centering connection, so that a butt overlap is achieved. In this case, in particular a stepped rebate or a tongue and groove connection has proven itself, as in Fig. 3 with the shiplap shown at 11 is the case.

Bei dem gezeigten Ausführungsbeispiel der Fig. 3 ist auch leicht zu erkennen, dass durch die geschickte Anordnung der Brandschutzmittellage 8 in der Mitte der Feuerschutzeinlage und der Ausbildung des Stufenfalzes bei 11 mit dem Stoßverlauf innerhalb der Brandschutzmittellage 8 gewährleistet wird, dass entlang des Stoßes 10 kein rascher Wärme- oder Feuerdurchtritt möglich ist. Vielmehr wird durch den langen Verlauf des Stoßes 10 in der Brandschutzmittellage 8 ein besonders hoher Feuerwiderstand gewährleistet.In the embodiment shown the Fig. 3 It is also easy to see that is ensured by the clever arrangement of the fire protection layer 8 in the middle of the fire protection insert and the training of Stufenfalzes at 11 with the surge within the fire protection layer 8 that along the joint 10 no rapid heat or fire penetration is possible. Rather, a particularly high fire resistance is ensured by the long course of the shock 10 in the fire protection layer 8.

Die Fig. 4 zeigt eine weitere Ausführungsform einer erfindungsgemäßen Feuerschutztür 100, bei der das umfangsseitige Rahmenwerk 12 nur noch schematisch dargestellt ist. Die Feuerschutztür 100 weist eine Feuerschutzeinlage auf, die insgesamt drei Teile 14 bis 16 umfasst, wobei bei 13 ein Freiraum für einen später einzusetzenden Schlosskasten ausgespart ist. Während das Oberteil 15 und das Unterteil 16 mit dem Oberteil 5 und dem Unterteil 6 dervorangegangenen Ausführungsform der Fig. 1 bis 3 vergleichbar sind, ist in der Feuerschutztür 100 eine mittlere Schicht zwischen Oberteil 15 und Unterteil 16 mit dem Segment 14 vorgesehen, welches um die Breite des Schlosskastens kürzer ausgebildet ist. Diese Unterteilung der Feuerschutzeinlage in insgesamt drei Teile 14 bis 16 ist dann vorteilhaft, wenn ein Schloss bzw. Schlosskasten im Bereich des Freiraums 13 vorgesehen werden soll. Durch den vorgesehenen Freiraum 13 entfällt vorteilhaft eine spätere Bearbeitung des Türblattes, um einen Schlosskasten einsetzen zu können.The Fig. 4 shows a further embodiment of a fire door 100 according to the invention, in which the peripheral frame 12 is shown only schematically. The fire door 100 has a fire protection insert, which comprises a total of three parts 14 to 16, wherein at 13 a free space for a later to be used lock box is recessed. While the upper part 15 and the lower part 16 with the upper part 5 and the lower part 6 of the preceding embodiment of the Fig. 1 to 3 are comparable, a middle layer between the upper part 15 and lower part 16 is provided with the segment 14 in the fire door 100, which is formed shorter by the width of the lock box. This subdivision of the fire protection insert into a total of three parts 14 to 16 is advantageous when a lock or lock case is to be provided in the region of the free space 13. Due to the space provided 13 advantageously eliminates subsequent processing of the door panel to use a lock case can.

Die durch die Unterteilung der Feuerschutzeinlage der Feuerschutztür 100 gebildeten Nähte 17,18 und 19 können analog zur Naht 10 der Ausführungsform der Fig. 3 ausgebildet werden.The seams 17,18 and 19 formed by the subdivision of the fire protection insert of the fire door 100 can analogously to the seam 10 of the embodiment of Fig. 3 be formed.

Claims (10)

  1. Fire door with a fire resistance characteristic according to standard fire resistance classes, comprising a casing (2, 3, 4) made up in particular of a peripheral framework (2) and sheet steel shells (3, 4) on both sides as well as a fire protection insert disposed in the casing with mineral fibres, in particular rock wool, which are in particular soluble in a physiological medium, wherein the fire protection insert is divided in the transverse direction with respect to its vertical longitudinal extent into a plurality of separate part-sections with different fire-retardant characteristics, characterised in that the part-sections are configured as mineral wool insulation elements and are each divided into a plurality of layers (7, 8, 9) with different fire-retardant characteristics in the direction of the thickness of the insert, and wherein the upper part (5, 15) or the upper layers is or are designed to be more highly fire-retardant than the lower part or the lower layers of the fire protection insert.
  2. Fire door as claimed in Claim 1, characterised in that at least one part-section (segment 14) is constructed so that it is shortened in the direction of the width of the fire protection insert in order to accommodate a lock case (free space 13).
  3. Fire door as claimed in any one of the preceding claims, characterised in that the parts of the fire protection insert which butt against one another are at least partially constructed in such a way that the joints (10, 17, 18, 19) which are produced between the parts are designed so as to overlap in the direction of the thickness of the fire protection insert, in particular in the manner of a centring connection or a positive engagement, preferably a stepped fold, a tongue and groove joint or the like.
  4. Fire door as claimed in any one of the preceding claims, characterised in that the parts alone or in combination, in particular the layers, are at least partially constructed as plates (5, 6).
  5. Fire door as claimed in any one of the preceding claims, characterised in that the fire protection insert comprises a fireproofing agent which in the event of a rise in temperature exhibits an endothermic chemical and/or physical reaction, in particular a phase conversion and/or dehydration.
  6. Fire door as claimed in Claim 5, characterised in that the fireproofing agent comprises a hydroxide, in particular metal hydroxide, preferably aluminium or magnesium hydroxide.
  7. Fire door as claimed in Claim 6, characterised in that the fire protection insert consists of two part-sections, of which the upper part-section has 55 to 75%, preferably approximately 60%, of a dehydrating substance and the lower part-section has approximately 35 to 45%, preferably 40%, of a dehydrating substance.
  8. Fire door as claimed in Claim 6 or Claim 7, characterised in that the fireproofing agent is disposed centrally with respect to the fire protection insert.
  9. Fire door as claimed in any one of the preceding claims, characterised in that the parts designed for increased fire-retardant effect, in particular the upper part, contain a higher proportion of fireproofing agent.
  10. Fire door as claimed in any one of the preceding claims, characterised in that the two part-sections are divided in their longitudinal extent approximately in the upper/lower ratio of 1 :3.
EP04027553.9A 2003-12-05 2004-11-19 Partitioned insert for fire doors Not-in-force EP1538297B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04027553T PL1538297T5 (en) 2003-12-05 2004-11-19 Partitioned insert for fire doors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356889 2003-12-05
DE10356889A DE10356889A1 (en) 2003-12-05 2003-12-05 Shared fire door installation

Publications (4)

Publication Number Publication Date
EP1538297A2 EP1538297A2 (en) 2005-06-08
EP1538297A3 EP1538297A3 (en) 2006-09-13
EP1538297B1 EP1538297B1 (en) 2008-10-15
EP1538297B2 true EP1538297B2 (en) 2016-06-01

Family

ID=34442464

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Application Number Title Priority Date Filing Date
EP04027553.9A Not-in-force EP1538297B2 (en) 2003-12-05 2004-11-19 Partitioned insert for fire doors

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EP (1) EP1538297B2 (en)
AT (1) ATE411443T1 (en)
DE (2) DE10356889A1 (en)
PL (1) PL1538297T5 (en)
RU (1) RU2354798C2 (en)

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DE10354221C5 (en) * 2003-11-20 2011-05-12 Hörmann KG Freisen Fire end element and method of manufacture
EP2816188B1 (en) * 2013-06-17 2019-12-11 Rockwool International A/S Fire barrier for a building and method for producing an insulation element for a fire barrier of a building
DE102015107035B4 (en) * 2015-05-06 2017-11-09 Novoferm Riexinger Türenwerke GmbH Brandschutzschiebetor
CN104963610B (en) * 2015-07-23 2017-03-08 浙江采丰木业有限公司 A kind of fire resistant doorsets
CN105952344A (en) * 2016-06-22 2016-09-21 安徽安旺门业股份有限公司 Single-sash steel-wood heat-insulation fireproof door and making method thereof
CN105927122A (en) * 2016-06-22 2016-09-07 安徽安旺门业股份有限公司 Novel steel-wood insulated fire-proof lash door and manufacturing method thereof
CN105927107A (en) * 2016-06-22 2016-09-07 安徽安旺门业股份有限公司 Improved steel-wood heat insulation fireproof master-secondary door and manufacturing method thereof
CN105952343A (en) * 2016-06-22 2016-09-21 安徽安旺门业股份有限公司 Double-leaf steel-wood insulating fireproof door and manufacture method thereof
CN105952342A (en) * 2016-06-22 2016-09-21 安徽安旺门业股份有限公司 Novel double-leaf steel and wood heat-insulation fireproof door and method for manufacturing same
CN105952345A (en) * 2016-06-22 2016-09-21 安徽安旺门业股份有限公司 Steel-wood heat-insulation fireproof door with window and making method thereof
CN105952339A (en) * 2016-06-22 2016-09-21 安徽安旺门业股份有限公司 Biparting steel-wood heat-insulation fireproof door with windows and making method thereof
CN105927126A (en) * 2016-06-30 2016-09-07 安徽安旺门业股份有限公司 Double-side opening type wooden heat insulation fireproof door
CN107246222A (en) * 2017-07-31 2017-10-13 安徽意诚智能科技有限公司 A kind of band thermometric shows fire resistant doorsets

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Also Published As

Publication number Publication date
PL1538297T5 (en) 2017-01-31
DE10356889A1 (en) 2005-07-14
RU2354798C2 (en) 2009-05-10
EP1538297B1 (en) 2008-10-15
EP1538297A3 (en) 2006-09-13
EP1538297A2 (en) 2005-06-08
RU2004135416A (en) 2006-05-10
DE502004008254D1 (en) 2008-11-27
PL1538297T3 (en) 2009-04-30
ATE411443T1 (en) 2008-10-15

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