EP2816188B1 - Feuerbarriere für ein Gebäude und Verfahren zur Herstellung eines Dämmelements für eine Feuerbarriere eines Gebäudes - Google Patents

Feuerbarriere für ein Gebäude und Verfahren zur Herstellung eines Dämmelements für eine Feuerbarriere eines Gebäudes Download PDF

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Publication number
EP2816188B1
EP2816188B1 EP13172276.1A EP13172276A EP2816188B1 EP 2816188 B1 EP2816188 B1 EP 2816188B1 EP 13172276 A EP13172276 A EP 13172276A EP 2816188 B1 EP2816188 B1 EP 2816188B1
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EP
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Prior art keywords
insulation element
fire
fire barrier
barrier according
insulation
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EP13172276.1A
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English (en)
French (fr)
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EP2816188A1 (de
Inventor
Peter Nowack
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Rockwool AS
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Rockwool International AS
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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 fire barrier for a building, especially a fire door, comprising a frame defining a hollow space and at least one insulation element of rectangular shape having two main surfaces being arranged parallel to each other and being connected via side faces, which insulation element is inserted into the hollow space and divided into at least two parts along an abutment namely a first part and a second part. Furthermore, the invention relates to a method for producing a fire barrier of a building, especially for a fire door, whereby the insulation element of rectangular shape with two major surfaces being arranged parallel to each other and four side faces being arranged perpendicular to each other and to the major surfaces is made from a continuously produced web of mineral fibers and whereby the insulation element is cut from the web of mineral fibers.
  • thermal insulation boards that is to say boards of low organic matter content, of thermal conductivity less than about 0.5 W/m °C at ambient temperature, of density less than about 1500 g/m 3 , and of modules of rupture greater than about 0.5 N/mm 2 .
  • Such boards are those based on cementitious material, for example Portland cement or autoclaved calcium silicate, reinforced with fibers which may be asbestos but are now usually cellulose, synthetic organic fibers such as polyvinylalcohol or polyacrylonitrile fibers, or inorganic fibers such as glass or mineral wool fibers.
  • Thermal insulation boards are available in a wide range of thicknesses, especially 3-80mm; and the time for which a board will protect what lies behind it from a fire of given intensity will, or course, depend on the thickness of the board.
  • opposed thermal insulation boards have in the cavity between them an additional heat barrier of bulk mineral wool, glass fibers or the like.
  • a layer of mineral wool is fastened to the surface to be protected, and a single skin of boards is assembled by fixing the boards to spaces attached to the wall through the mineral wool layer, leaving a cavity between the mineral wool layer and the skin of boards.
  • a single skin of boards is assembled to encase the column, leading to cavities, one on each side of the upright of the column. In this case, no bulky heat barrier of mineral wool or the like is ordinarily used.
  • the invention at present relates to fire-protective constructions to be used inside buildings as to say fire-retardant insulating building panels or fire doors which comprise a frame defining a hollow space.
  • the insulation element of rectangular shape having two main surfaces being arranged parallel to each other and being connected via side faces is inserted into the hollow space and may consist of mineral fibers being bound with a small amount of organic binder.
  • a fire retardant material which is incorporated into the insulation element made of mineral fibers and binder.
  • Such fire retardant elements are for example described in DE 20119043 U1 , DE 10212331 A1 and DE 10212332 A1 .
  • EP 1 538 297 A2 discloses a fire barrier according to the preamble of claim 1.
  • the object of this invention is a fire barrier for a building, especially a fire door which can be easily produced in different heights without the need of arranging a great number of parts within a hollow place which insulation element guarantees a high stability for the whole life of the door. Furthermore, an object of this invention is a method for producing a fire barrier of a building, especially for a fire door with which insulation elements for this purpose can be produced which guarantee high stability requirements and which can be used for fire barriers of different heights without using a great number of parts.
  • the solution of the object with respect to the fire barrier for a building provides a fire barrier for a building with an abutment extending non-parallel to the side faces, especially from two corner regions being the connection area of two side faces which corner regions are arranged diametrically opposed to each other.
  • corner region should be understood not only the exact corner, but a region extending from the exact corner up to a distance of 40% of the length of a side of the frame. This distance will generally be chosen as short as possible, so in practice the distance will often be below 20%
  • the insulation element for the fire barrier according to the invention can be produced in different widths and because of their division into two parts having a shape more or less like a triangle makes it possible to move the two parts of the insulation element along the abutment so that the length of the insulation element can be easily varied according to the requirements of the frame. According to this the insulation element can be used in frames of different sizes.
  • Such insulation elements have the advantage that the amount of waste in production can be reduced by the flexible arrangement of the parts to to fit the frame, so the amount of insulation material cut off and not utilized is limited. Further the number of cuts is limited so production is easy and quick.
  • an insulation element according to the invention it is possible to use different materials which means materials with different characteristics with respect to stability, fire retarding characteristics, density and/or binder amount within the insulation element made of mineral fibers.
  • two parts of the insulation element which for example have different densities whereby a higher density defines an area within the frame which is dedicated to higher fire resistance and an area which is less fire demanding and therefore can be filled with a part of the insulation element having lower density.
  • the insulation element contains mineral fibers.
  • the fire barrier for a building according to the invention can be developed in that the first and the second part of the insulation element containing mineral fibers having different properties, as length of the fibers, diameter of the fibers, orientation of the fibers within the first or second part, binder content with respect to the amount and/or kind of binder, amount and kind of fire resistant material.
  • a fire barrier according to this development can be easily adapted to certain requirements of the producer of fire barriers, especially fire doors.
  • the insulation element can be multi-layered which means that at least two layers of insulating material are arranged on top of each other so that the two layers are in contact via their main surfaces.
  • a layer of fire resistant material can be arranged between two layers of insulating material, especially layers made of mineral fibers and a binder.
  • the insulation element can comprise more than two layers of insulating material and more than one layer of fire resistant material.
  • the first and second parts of the insulation element have different bulk densities. It is well known that in case of a fire the heat ascents towards the upper part of a room and therefore to the upper part of for example a fire door. Therefore, it is helpful if the fire door or the fire barrier has improved fire resistance in the upper part. To achieve this improved fire resistance in the upper part the invention proposes to use an insulation element with higher bulk density in the upper part of the fire barrier, especially the fire door.
  • the first and second part of the insulation element are connected via a strip of insulation and/or fire resistant material which may be fixed, especially glued to the first and/or the second part of the insulation element.
  • This strip which can have a thickness according to the distance between two covering elements being arranged parallel to the main surfaces of the insulation element reinforces the insulation element in a direction diagonal to the frame defining the hollow space and therefore diagonal to the fire door or the fire barrier for a building.
  • the strip can be glued to both parts of the insulation element which fulfills most of the stability requirements of such insulation elements.
  • the connection between the strip and at least one of the parts of the insulation element can be achieved before setting the insulation element into the frame.
  • a fire resistant glue can be used to connect the strip with respect to at least one part of the insulation element.
  • connection by gluing can be done by using the glue on the whole surfaces which are to be connected or only in certain areas of these surfaces.
  • a glue which is not fire resistant or has a low fire resistance or which represents a fire load it is of advantage to use only a small amount of glue and therefore to connect the part with the strip only via spots of glue arranged on the surfaces which are to be connected.
  • the strip has the advantage that it is in contact with the covering elements being arranged parallel to the main surfaces of the insulation element and which reduces vibrations of these covering elements.
  • the strip reinforces the insulation element with respect to its compressive strength.
  • the strip can be made of mineral fibers and a binder.
  • the strip has a high bulk density which is useful for reinforcement requirements.
  • a strip with high bulk density can take over the load of at least one part of the insulation element as far as the strip is in contact with two areas of the frame defining the hollow space which are arranged diametrically opposed to each other.
  • the fire barrier according to the invention has a frame being connected to covering elements being arranged parallel to the main surfaces of the insulation element.
  • the two covering elements enclose together with the frame the insulation element so that the insulation element is protected against mechanical damages.
  • the strip is in contact with and preferably connected to the covering elements thereby giving a higher stability with less vibrations to the covering elements.
  • the second part of the insulation element has a higher bulk density than the first part of the insulation element as already described before. It has been discovered that the second part of the insulation element has preferably a bulk density between 150 kg/m 3 and 220 kg/m 3 , preferably between 165 kg/m 3 and 195 kg/m 3 and the first part of the insulation element has a bulk density preferably between 80 kg/m 3 and 140 kg/m 3 , preferably between 100 kg/m 3 and 130 kg/m 3 .
  • the first part of the insulation element is preferably arranged in an area close to the floor of a room whereas the second part is preferably arranged in an area of the fire barrier which is directed to the ceiling.
  • the abutment between the first and the second part of the insulation element is arranged perpendicular to the main surface of the insulation element. Nevertheless, the abutment can be arranged under a certain angle relatively to the main surfaces of the insulation element which angle differs from the right angle and which means that the surfaces of both parts of the insulation element defining the abutment are not parallel to the surface normal of the main surfaces.
  • the first and/or the second part of the insulation element contains a strip of fire resistant material being arranged parallel to one of the side faces.
  • This strip is used to improve the fire resistance especially in the upper part of a fire door and for example in the part of box staple in the area of one side face.
  • the solution of the before mentioned objects is achieved by a method whereby the insulation element is cut from the web of mineral fibers with its lengthwise direction perpendicular to the lengthwise direction of the web of mineral fibers before the insulation element is divided into a first part and a second part along an abutment extending non-parallel to the side faces, especially extending from two corner regions being the connection area of two side faces which corner regions are arranged diametrically opposed to each other.
  • the insulation element uses the beneficial stability characteristics of the fiber web. Furthermore, the length of the insulation element can be limited to two metres whereas the width of the insulation element can be varied so that after cutting the insulation element in two parts of approximately triangle shape these parts can be moved along the abutment to set an insulation element with dimensions according to the hollow space arranged within the frame.
  • Fig. 1 shows a fire door 1 comprising a frame 2 and an insulation element 3 being inserted in a hollow space 4 defined by the frame 2.
  • the frame 2 consists of two parallel elements 5 and two elements 6 being shorter in length than the elements 5 and being arranged perpendicular to the elements 5 and parallel to each other.
  • the elements 5, 6 are made of metal profiles, preferably of steel.
  • the fire door 1 furthermore comprises covering elements 7 of which Fig. 1 only shows a sectional part of one covering element 7.
  • the covering elements 7 are connected to the elements 5, 6 preferably by welding elements 5, 6 to the covering elements 7. Therefore, the covering elements 7 are preferably made of steel. Nevertheless, the elements 5, 6 and the covering elements 7 can be made of wood.
  • the insulation element 3 is made of mineral fibers, preferably stone wool fibers.
  • the thickness of the insulation element 3 is approximately equal to the height of the hollow space 4 between the two covering elements 7 connected to the elements 5, 6.
  • the insulation element 3 has a rectangular shape with two main surfaces 8 being arranged parallel to each other and parallel to the covering elements 7. Furthermore, the insulation element 3 has four side faces 9 connecting the main surfaces 8 to each other and being arranged rectangular to the main surfaces 8 and to each other so that the side faces 9 are running parallel to the elements 5, 6.
  • the length and the width of the insulation element 3 is approximately equal to the length and the width of the hollow space 4 so that the insulation element 3 is clamp fitted into the hollow space 4.
  • the insulation element 3 is divided in a first part 10 and a second part 11.
  • the division of the two parts 10, 11 is arranged along an abutment 12 which divides the insulation element 3 into the two parts 10, 11 which have approximately a shape of a triangle. Therefore, the abutment 12 extends non-parallel to the side faces 9 and runs from a first corner region 13 of the frame 2 to a second corner region 14 of the frame 2.
  • the corner regions 13, 14 are approximately the connection area of two side faces 9. Therefore, the corner regions 13, 14 are arranged diametrically opposed to each other.
  • the first part 10 of the insulation element 3 which can be called the lower part within the fire door 1 consists of mineral fibers and a binder connecting the mineral fibers to each other and a fire resistant material as it is for example described in the before mentioned documents of the prior art.
  • the first part 10 differs from the second part 11 which may be called the upper part within the fire door 1 in its properties especially in the characteristics of bulk density.
  • the first part 10 of the insulation element 3 has a bulk density of 120 kg/m 3 whereas the second part 11 of the insulation element has a bulk density of 180 kg/m 3 .
  • the two parts 10, 11 may differ in further characteristics as length of the fibers, diameters of the fibers, orientation of the fibers, binder content with respect to the amount and/or the kind of binder and fire resistant material, with respect to the amount and/or kind of the fire resistant material.
  • the insulation element 3 can be formed as a multi-layered element comprising one or two layers of mineral fibers and at least one layer of a fire resistant material which can be arranged sandwich-like between two layers of mineral fibers.
  • the abutment 12 between the first part 10 and the second part 11 is formed by side faces of the insulation element 3 which originate from cutting a rectangular insulation element 3 crosswise from one corner region 13 to a diametrically arranged corner region 14 of the insulation element 3.
  • These side faces of the two parts 10, 11 are arranged perpendicular to the main surfaces 8 of the insulation element 3 or with other words parallel to the surface normal of the main surfaces 8.
  • Fig. 2 shows the insulation element 3 in a first arrangement before cutting the insulation element 3 into the two parts 10, 11 along a broken line 15. Furthermore, a second arrangement of the insulation element 3 is shown by the broken line 15 and a dot-and-dash line 16 which second arrangement shows the insulation element 3 after cutting the insulation element 3 into the first part 10 and the second part 11 and moving the two parts 10, 11 relative to each other along the broken line 15 to prolong the original length of the insulation element 3 according to the requirements of the hollow space 4 in its length which is larger than the length of the insulation element 3 as cut from a web 17 ( Fig. 5 ).
  • two parts 18 in the shape of triangles can be removed from the insulation element 3 after moving the two parts 10, 11 relatively to each other two achieve the required rectangular shape of the insulation element 3 again. Nevertheless, these parts 18 need not to be cut from the insulation element 3 if these parts can be compressed within the frame 2 so that these compressed parts 18 support the full transmission by clamping the insulation element 3 into the frame 2.
  • Fig. 3 shows a further embodiment of the insulation element 3 with an additional strip 19.
  • the additional strip 19 is made of insulation material and has a shape of approximately a parallelogram. Furthermore, the additional strip 19 can contain a fire resistant material and the additional strip 19 can have a higher bulk density than the insulation element 3. Depending on the material and the requirements for the fire door the additional strip 19 may be relatively thin, e.g. 0.5 cm, or relatively thick, such as 20 cm. The strip 19 may even be a reinforcing mesh or web, such as glass fibre mesh, having a thickness of less than 0.5 cm, such as 1-2 mm.
  • Fig. 3 shows the original shape of the insulation element 3 as broken line 20 and the movement of the second part 11 relative to the first part 10 according to an arrow 21.
  • the strip 19 can be fixed to at least one of the parts 10, 11, preferably by gluing. In this case the amount of glue necessary to connect this strip 19 to the first part 10 and/or the second part 11 should be as slow as possible in case an organic glue or binder is used.
  • the thickness of the additional strip 19 can be higher than the thickness of the insulation element 3 so that the additional strip 19 is in direct contact with the covering elements 7 thereby giving a higher stability to the fire door 1 with less vibrations of the covering elements 7. To decrease the possible vibrations of the covering elements the additional strip 19 can be connected to the covering elements 7 preferably by gluing.
  • FIG. 4 A further embodiment of the insulation element 3 is shown in Fig. 4 .
  • This embodiment differs from the embodiment of Fig. 2 by a first strip 22 being designed as an inlay within a prepared opening 23 and consisting of a highly fire resisting material.
  • the opening 23 is arranged in the upper part of the second part 11 of the insulation element 3 as it is well known that in case of a fire the upper part of a fire door 1 is exposed to higher temperatures.
  • Fig. 4 shows a further part 24 made of highly fire resistant material and being incorporated into a recess 25 within the second part 11 of the insulation element 3.
  • the recess 25 has a rectangular shape and the part 24 shows an U-form so that the recess 25 is lined with the part 24 of highly fire resistant material.
  • This fire resistant material can of course be made of mineral fibers and/or a certain amount of fire resistant material.
  • Fig. 5 shows the web 17 as a final part of a production of insulation elements made of mineral fibers.
  • This production starts with a not shown cupola furnace in which raw material is molten.
  • the raw material contains at least an energy source like coke and a mineralic material like glass or stone.
  • the melt is fiberized and the fibers are collected together with a certain amount of binder depending on the mineralic material to an endless web 17 of which a part is shown in Fig. 5 .
  • the web 17 has different characteristics especially in strength with respect to its lengthwise and crosswise direction.
  • the lengthwise direction of the web 17 is shown in Fig. 5 by arrow 26 which lengthwise direction is equal to the conveying direction of the web 17.
  • the insulation elements 3 perpendicular to the lengthwise direction of the web 17.
  • a more or less broader insulation element 3 can be cut from the web 17 having a width being larger than the width of the frame 2 so that the two parts 10, 11 can be moved relative to each other to adjust the insulation element 3 in its length to the length of the frame 2.
  • This method achieves to use insulation elements 3 cut from the web 7 with a certain length which is limited according to the production process of such webs 17 even if the frame 2 of the fire door 1 has a larger length compared to the length of the insulation element 3 which can be adapted to the length of the frame 2.
  • Fig. 5 shows the variable width of the insulation element 3 by arrow 27 and the width of the web 17 by arrow 28.
  • the possible cutting line is shown by a dot-and-dash line 29.

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  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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Claims (13)

  1. Feuerbarriere für ein Gebäude, insbesondere eine Brandschutztür (1), umfassend
    - einen Rahmen (2), bestehend aus zwei parallelen Elementen (5) und zwei Elementen (6), die kürzer sind als die Elemente (5) und senkrecht zu den Elementen (5) und parallel zueinander angeordnet sind und einen Hohlraum (4) definieren,
    - mindestens ein Isolierelement (3), das eine rechteckige Form hat, mit zwei parallel zueinander angeordneten Hauptflächen (8), die über Seitenflächen (9) verbunden sind, und
    - Abdeckelemente (7), die parallel zu den Hauptflächen (8) des Isolierelements (3) angeordnet sind,
    - wobei die Abdeckelemente (7) mit dem Rahmen (2) verbunden sind,
    - wobei das Isolierelement (3) in den Hohlraum (4) eingesetzt ist,
    - wobei das Isolierelement (3) entlang eines Stoßes (12) in mindestens zwei Teile (10, 11) unterteilt ist, nämlich einen ersten Teil (10) und einen zweiten Teil (11),
    dadurch gekennzeichnet, dass
    der Stoß (12) sich nichtparallel zu den Seitenflächen (9) erstreckt, insbesondere von zwei Eckbereichen (13, 14), die der Verbindungsbereich von zwei Seitenflächen (9) sind, wobei die Eckbereiche (13, 14) einander diametral gegenüberliegen.
  2. Feuerbarriere nach Anspruch 1, dadurch gekennzeichnet, dass das Isolierelement (3) Mineralfasern enthält.
  3. Feuerbarriere nach Anspruch 2, wobei der erste Teil (10) und der zweite Teil (11) des Isolierelements (3) Mineralfasern mit unterschiedlichen Eigenschaften enthalten, wie z.B. Länge der Fasern, Durchmesser der Fasern, Orientierung der Fasern innerhalb des ersten Teils (10) oder des zweiten Teils (11), Bindemittelgehalt in Bezug auf eine Menge und/oder Art eines Bindemittels, eine Menge und Art eines feuerfesten Materials.
  4. Feuerbarriere nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Isolierelement (3) mehrschichtig ist.
  5. Feuerbarriere nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der erste Teil (10) und der zweite Teil (11) des Isolierelements (3) unterschiedliche Rohdichten aufweisen.
  6. Feuerbarriere nach einem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der erste Teil (10) und der zweite Teil (11) des Isolierelements (3) über einen Streifen (19) aus Isoliermaterial und/oder feuerfestem Material verbunden sind, der an dem ersten Teil (10) und/oder dem zweiten Teil (11) des Isolierelements (3) befestigt, insbesondere festgeklebt sein kann.
  7. Feuerbarriere nach Anspruch 6, dadurch gekennzeichnet, dass der Streifen (19) das Isolierelement (3) hinsichtlich seiner Druckfestigkeit verstärkt.
  8. Feuerbarriere nach den Ansprüchen 1 und 7, wobei sich der Streifen (19) mit den Abdeckelementen (7) in Kontakt befindet und vorzugsweise mit diesen verbunden ist, wodurch den Abdeckelementen (7) eine größere Stabilität mit weniger Vibrationen verliehen wird.
  9. Feuerbarriere nach einem vorhergehenden Anspruch, wobei der zweite Teil (11) des Isolierelements (3) eine höhere Rohdichte aufweist als der erste Teil (10) des Isolierelements (3), welcher der untere Teil in der Brandschutztür (1) ist.
  10. Feuerbarriere nach einem vorhergehenden Anspruch, wobei der zweite Teil (11) des Isolierelements (3) eine Rohdichte zwischen 150 kg/m3 und 220 kg/m3, vorzugsweise zwischen 165 kg/m3 und 195 kg/m3, und der erste Teil (10) des Dämmelements (3) zwischen 80 kg/m3 und 140 kg/m3, vorzugsweise zwischen 100 kg/m3 und 130 kg/m3 aufweist.
  11. Feuerbarriere nach einem vorhergehenden Anspruch, wobei der Stoß (12) zwischen dem ersten Teil (10) und dem zweiten Teil (11) des Isolierelements (3) senkrecht zu den Hauptflächen (8) des Isolierelements (3) angeordnet ist.
  12. Feuerbarriere nach einem vorhergehenden Anspruch, wobei der erste Teil (10) und/oder der zweite Teil (11) des Isolierelements (3) einen Streifen (22) aus einem Material mit höherer Feuerfestigkeit enthalten, der parallel zu einer der Seitenflächen (9) angeordnet ist.
  13. Verfahren zur Herstellung einer Feuerbarriere eines Gebäudes nach Anspruch 1, insbesondere für eine Brandschutztür (1), wobei das rechteckförmige Isolierelement (3) mit zwei Hauptflächen (8), die parallel zueinander angeordnet sind, und vier Seitenflächen (9), die senkrecht zueinander und zu den Hauptflächen (8) angeordnet sind, aus einer kontinuierlich hergestellten Bahn (17) aus Mineralfasern besteht und wobei das Isolierelement (3) mit seiner Längsrichtung senkrecht zur Längsrichtung der Bahn (17) von der Mineralfaserbahn (17) abgeschnitten wird, bevor das Isolierelement (3) entlang eines Stoßes (12), der sich nichtparallel zu den Seitenflächen (9) erstreckt, insbesondere von den beiden Eckbereichen (13, 14), die der Verbindungsbereich der beiden Seitenflächen (9) sind und die einander diametral gegenüberliegen, in einen ersten Teil (10) und einen zweiten Teil (11) unterteilt wird.
EP13172276.1A 2013-06-17 2013-06-17 Feuerbarriere für ein Gebäude und Verfahren zur Herstellung eines Dämmelements für eine Feuerbarriere eines Gebäudes Active EP2816188B1 (de)

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EP13172276.1A EP2816188B1 (de) 2013-06-17 2013-06-17 Feuerbarriere für ein Gebäude und Verfahren zur Herstellung eines Dämmelements für eine Feuerbarriere eines Gebäudes

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EP13172276.1A EP2816188B1 (de) 2013-06-17 2013-06-17 Feuerbarriere für ein Gebäude und Verfahren zur Herstellung eines Dämmelements für eine Feuerbarriere eines Gebäudes

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EP2816188B1 true EP2816188B1 (de) 2019-12-11

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CN104929499A (zh) * 2015-06-19 2015-09-23 佛山市三水金大田门业有限公司 防火门

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Publication number Priority date Publication date Assignee Title
DE3203624C2 (de) * 1981-09-17 1990-02-15 Deutsche Rockwool Mineralwoll-GmbH, 4390 Gladbeck Platte aus Dämmstoffen, insbesondere Mineralfasern
US4571915A (en) * 1984-01-20 1986-02-25 Produits D'acier Anjou, Inc. Fireproof and soundproof door
DE8608493U1 (de) * 1986-03-27 1987-07-23 M. Faist Gmbh & Co Kg, 8908 Krumbach, De
DE20119043U1 (de) 2001-02-21 2002-08-08 Rockwool Mineralwolle Brandschutzelement, insbesondere für Feuerschutztüren
DE10212332B4 (de) 2002-03-20 2004-02-12 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Brandschutzelement, insbesondere für Feuerschutztüren
DE10212331A1 (de) 2002-03-20 2003-10-16 Rockwool Mineralwolle Brandschutzelement, insbesondere für Feuerschutztüren
DE10354221C5 (de) 2003-11-20 2011-05-12 Hörmann KG Freisen Feuerabschlusselement und Verfahren zur Herstellung
DE10356889A1 (de) * 2003-12-05 2005-07-14 Saint-Gobain Isover G+H Ag Geteilte Feuerschutztüreinlage

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