EP1425492B1 - Element profile refractaire et procede permettant de le produire - Google Patents

Element profile refractaire et procede permettant de le produire Download PDF

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Publication number
EP1425492B1
EP1425492B1 EP02797967A EP02797967A EP1425492B1 EP 1425492 B1 EP1425492 B1 EP 1425492B1 EP 02797967 A EP02797967 A EP 02797967A EP 02797967 A EP02797967 A EP 02797967A EP 1425492 B1 EP1425492 B1 EP 1425492B1
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EP
European Patent Office
Prior art keywords
insulating material
fire
fireproof insulating
supporting shell
hollow chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP02797967A
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German (de)
English (en)
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EP1425492A1 (fr
Inventor
Harry Gütter
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Bemo Brandschutzsysteme GmbH
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Bemo Brandschutzsysteme GmbH
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Priority claimed from DE20114949U external-priority patent/DE20114949U1/de
Priority claimed from EP20020005502 external-priority patent/EP1296013B1/fr
Application filed by Bemo Brandschutzsysteme GmbH filed Critical Bemo Brandschutzsysteme GmbH
Priority to EP02797967A priority Critical patent/EP1425492B1/fr
Priority claimed from PCT/EP2002/010060 external-priority patent/WO2003023175A1/fr
Publication of EP1425492A1 publication Critical patent/EP1425492A1/fr
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Publication of EP1425492B1 publication Critical patent/EP1425492B1/fr
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  • the invention relates to a fire-resistant profile component for the production of windows, doors, wall elements, facades and the like. Furthermore, the invention relates to a method for producing such a fire-resistant profile component.
  • a fire-retardant profile component which is made as a multi-chamber profile of light metal, preferably made of aluminum, with a heat flow reducing insulating web.
  • the outer and the inner shell each define a hollow chamber These two hollow chambers are connected by means of an insulating web and embedded bridge bridges, so that a three-chamber profile is formed.
  • fire protection plates are inserted, which are fixed by means of metal springs.
  • the fire protection plates release water of crystallization, which cools the aluminum profile and prevents melting of the aluminum profile facing the fire.
  • This design has the disadvantage that it is only suitable for fire resistance times up to 30 minutes. Higher fire resistance times of 60, 90 or 120 minutes can not be achieved hereby.
  • a frame system which is also made of aluminum multi-chamber profiles.
  • this frame system it is proposed that in each case an aluminum core profile is formed, which carries the fire-resistant glazing.
  • This core profile is preceded by outer and inner shells, so that here also a three-chamber profile is formed.
  • the supporting core profile or the two outer shells are connected to a heat flow reducing insulating web.
  • the chamber of the core profile or the two hollow chambers of the outer shells are filled with a fire protection insulation, so that the outer shells protect the bearing core of the aluminum profile in case of fire.
  • a fire protection element in particular for the construction of a framework on a building for holding a clampable component, such as a fire-resistant glazing or plate, known, comprising a core profile, a surrounding the core profile heat-insulating filling material, a surrounding the filling compound and an outer cover strip for clamping the Component, wherein the core profile, the filling compound and the casing form a composite body.
  • the framework is designed so that on the side facing the fire side supporting light metal profiles can be used, the melting point is lower than expected in case of fire, the metal profiles acting temperature, a melting of these supporting light metal profiles over a predetermined safety period should be prevented.
  • plates or moldings of a heat-binding, hydrophilic adsorbent with a high water content are attached to the outer sides and / or on the insides of the metal profiles made of aluminum.
  • the material of the plates or moldings is a mixture of gypsum and alum, which acts energy-consuming when exposed to heat.
  • the plates or shaped bodies release water of crystallization, by means of which the metal construction is cooled.
  • the energy-dissipating material can also be filled in liquid form in the inner chamber of a metal profile and then binds in the inner chamber to a solid molding.
  • the invention has for its object to provide a producible with reduced effort fire-resistant profile component and a method for its preparation, wherein the profile component is suitable for simple and inexpensive production to pass fire resistance times of 30, 60, 90 and 120 minutes.
  • the fire-resistant profile component according to the invention is thus an advantageously thermally decoupled single-chamber composite profile.
  • the inventive method for producing the fire-resistant profile component are initially two substantially U-shaped profile parts, in particular of extruded aluminum, forming an mecanictragschale and Aussentragschale, at their free leg ends of the legs of the U-profile by means of thermally isolating insulating bars to a single Connected hollow chamber surrounding single-chamber composite profile and then at least partially filled the hollow chamber in a core area with a fire protection insulation.
  • a thermal insulation is introduced which comprises a sandwich panel.
  • At least the inner core region of the component according to the invention is connected to the trays without separation, so that the cooling effect of the large inner Gumassevolumens can act directly on the outer walls of the tray. More of the trays enclosed sub-chambers of the hollow chamber can either remain unfilled or also be filled by the fire insulation or otherwise heat-insulating.
  • the filling of the profile can be done by inserting prefabricated moldings or by filling a mortar-like mass.
  • the fire insulation can z. B. consist of a matrix of glass fiber reinforced mineral substances.
  • the fire protection protection effect of the profile component according to the invention is created by the interaction of the individual components.
  • the outer or inner aluminum support shell of the composite profile melts.
  • the melting point of aluminum is 600-650 ° C. In a fire test according to DIN 4102, this temperature is reached after about 10 minutes according to the ETK (standard temperature curve), after 30 minutes the temperature in the furnace is 822 ° C and after 90 minutes at 986 ° C.
  • the insulating ribs which are made of a mechanically strong material with low thermal conductivity, prevent the heat from migrating to the aluminum tray on the side away from the fire. This aluminum tray forms in the event of fire, together with the fire protection insulating the static load-bearing cross-section.
  • the frame system of a One-chamber profile exists because the insulating material can form a stable block through the large hollow chamber together with the aluminum support shell on the side facing away from the fire, which then assumes the static supporting function.
  • the fire-resistant insulating composition has an insulating effect due to its composition, and advantageously this insulating compound liberates crystal-bound water under the action of heat, whereby the entire profile component according to the invention is cooled and thus the fire resistance time is positively influenced.
  • Another way to control the fire resistance times is achieved by the fact that the depth of the insulating bars and thus the distance between the aluminum outer and inner shells is increased or decreased.
  • the particular fire protection advantage of the single chamber composite profile according to the invention lies in the fact that a large amount of fire protection insulating material can be filled into the single-chamber composite profile by the large hollow chamber, which forms a stable insulating block in which the corner angles and connection means can be embedded. This is not possible to this extent in multi-chamber composite profiles.
  • the fire-resistant component according to the invention is filled with a fire-resistant insulating compound which contains magnesium oxychloride cement or magnesium oxysulfate cement or consists entirely of magnesium oxychloride cement or magnesium oxysulfate cement.
  • Magnesium oxychloride cement is based on a patent which was published in 1865 by K. u. K. Privilege archive was registered, and is called after its inventor as Sorelzement or as Magnesiazement.
  • Mixtures of magnesium oxide (calcined magnesia) and concentrated magnesium chloride solution harden stone-like with the formation of basic chlorides whose structure is derived from that of magnesium hydroxide, and were mixed, for example, with neutral fillers and paints for the production of artificial stones and seamless floors (see DIN 272 - Magnesia screeds). as well as of artificial ivory (billiard balls) used (see Holleman-Wiberg, Textbook of Inorganic Chemistry, 81.-90. Edition, pp. 685-686 ).
  • magnesium oxychloride cement has heat and sound insulating properties.
  • the cement has a high density, which u.a. has led to efforts to create pores in the sense of a lightweight construction.
  • the cement depending on its composition and only partially water resistant, so that he despite his fire-retardant properties only limited, i. e.g. has found use as a fire retardant impregnant, not as a solid component.
  • the high corrosiveness of the material also played a role.
  • magnesia screeds also called magnesite screeds
  • Beams, frames and pipes must therefore be covered with bituminous paper or another barrier material before screed laying.
  • the profile component according to the invention is a composite body, which can also fulfill a supporting function, a high density of the cement has an advantageous effect. If necessary, however, it is also advantageously possible to achieve a density reduction for in particular non-load-bearing profile components according to the invention.
  • the corrosiveness can be counteracted by, for example, a protective coating on the Interior walls of the hollow chamber applied or this is made of aluminum. A possibly less high water resistance than that of conventionally used material falls only insignificant weight due to the existing cladding of the mass.
  • the magnesium oxychloride cement has a composition with a molar ratio MgCl 2 / Mg (OH) 2 / H 2 O of 1: (2.5 to 5): (8 to 12 ) having.
  • a cement prepared according to the above-mentioned equation B) and having particularly good mechanical properties has a molar ratio of MgCl 2 / MgO / H 2 O of 1: 5: 13, taking into account the chemical bonding and the bonding in the crystal Water on - or a molar ratio MgCl 2 / Mg (OH) 2 / H 2 O of 1: 5: 8 with individual consideration of the chemically and the water bound in the crystal.
  • the filler of the magnesium oxychloride cement may also be prepared with the addition of magnesium sulfate, whereby it may consist of a matrix in which Mg (OH) 2 , MgCl 2 , MgSO 4 , Mg x OCl, Mg y OSO 4 and Mg z ClSO 4 molecules or ions are contained, which may have an advantageous effect on increased water of crystallization and the water resistance of the cement.
  • the indices x, y, z can be integer or non-integer values.
  • the Magnesiumoxychlorid magnesium oxysulfate cement formed by admixing magnesium sulfate a composition having a molar ratio of MgCl 2 / MgSO 4 of 1: (0.02 to 1.9).
  • the filling of a magnesium oxysulfate cement can also be prepared with the addition of magnesium chloride.
  • a matrix having a qualitative composition as described above for a magnesium oxychloride cement in admixture with magnesium sulfate may be formed.
  • An advantageous composition is present at a molar ratio MgSO 4 / MgCl 2 of 1: (0.02 to 1.9).
  • a filler with a lower chloride content is less corrosive than a filler with a high chloride content.
  • a mixed cement composed of magnesium chloride and magnesium sulfate is referred to as a magnesium oxychloride-magnesium oxysulfate cement when the proportion of magnesium chloride in the production of the composition is higher than the proportion of magnesium sulfate and magnesium oxysulfate-magnesium oxychloride cement if the conditions are reversed.
  • sulfate content increases, on the one hand, water resistance increases, but on the other hand, the mechanical stability of the cement is also reduced.
  • fire protection insulating water glass especially sodium silicate, and / or silica, especially in gel form
  • the latter initially in a particularly advantageous manner by precipitation by means of metal salt and / or acid in the filling material (Water solution contained in aqueous solution) can be produced.
  • the fixed glazing consists of sections of the profile components 1 joined to a frame R (see Fig. 6) and a fire protection glazing 2.
  • the profile component 1 consists of a substantially U-shaped mecanicentragschale 3 and also a substantially U-shaped milieutragschale 4, the For example, are made of extruded aluminum and enclose at least one inner core region 4a.
  • the inner andrelytragschale 3, 4 are facing each other with their side legs 5 and point towards the inside 1 and outside A.
  • the fire protection insulating compound 7 is positively connected with the inner support shell 3 and the outer support shell 4 or positively and non-positively (via adhesion forces between the fire protection insulating compound 7 and the support shells 3, 4).
  • the insulating webs 6 and the side legs 5 of the inner and outer support shell 3, 4 can be made deep in depth transversely to the XX axis; This allows the fire resistance period to be controlled.
  • the fire insulation 7 is made of a material which, when melting a tray 3 or 4, the opposite tray 3 or 4 before exceeding the temperatures that are prescribed according to the standards protects. This is achieved in that the insulating compound 7 is located as an insulating block in front of the fire-facing inner or outer tray 3 or 4 and the fire protection insulating mass 7 releases crystalline water under heat, so that the entire support profile 3 or 4 is cooled together with the fire protection insulating 7.
  • a metallic wire mesh 8 can be inserted into the fire protection insulating compound 7 as a mating.
  • the holder of the glazing 2 formed of fire-resistant glass is carried out for the normal case (not the fire) in a known manner in that the formed profile component 1 has an approximately L-shaped cross section with a glass abutment 9 parallel to the XX axis, into which a groove 405 for receiving the outer glass seal 10 is formed.
  • the fire protection glass 2 is held by a glass strip 11, which is inserted into a groove which is provided in a side leg 5 of the inner support shell 3, and fixed by an inner glass seal 12.
  • the holder of the fire protection glass 2 takes place in case of fire, however, by metallic moldings 13, which are preferably used as pieces of stainless steel.
  • the metallic mold part 13 Since it can not be determined in advance whether the fire strikes the inner ororinabilitytragschale 3 and 4, the metallic mold part 13 must each be secured to the mecanicentragschale 3 and the technicallytragschale 4 by means of screws (the screws are not shown here).
  • the metallic moldings 13 may have a width of 2 to 5 cm. The distance between the moldings can be between 20 and 100 cm. The higher the fire resistance duration, the smaller the distance becomes. The thickness of the molding 13 is between 0.5 and 2 mm.
  • a foaming under heat seal 14 is inserted into the Glasfalz.
  • a fire-retardant or fire-resistant profile component 1 for training of frames are common to all the profile components shown in Figures 1 to 6, wherein like parts are given the same reference numerals. In this case, however, have the individual profile components of Figures 1 to 5 due to their other functions as a fixed glazing frame profile, door frame profile, door sash profile; Window frame profile, window sash or special requirements in the gap area between the door frame profile and the door sash profile or between two door sash profiles and window sash profile and window sash profile special designs.
  • a frame 15 is shown together with a sash 16 on the lock side of a single-leaf door, between which a circumferential folding chamber F is formed.
  • the door lock 17 in the sash 16 is fastened with a connecting plate 18 by means of screws on the inner and outer support shell 3, 4.
  • the strike plate 19 is attached to the frame 15 with a connecting plate 18 on the inner and outer support shell 3, 4.
  • the anchor member 20 is fixed to the frame 15 respectively by means of screws on the inner and outer support shell 3, 4 respectively.
  • FIG. 2a the fold region between the casement 16 and the frame 15 with the seaming chamber F is again shown.
  • the cut does not pass through the lock area of the door, but above or below the door lock 17.
  • the side legs 5 of the inner and outer support shells 3 and 4 of the frame 15 and the sash 16 grooves 303, 304, 403, 404 are formed, which advantageously receive a foaming under heat seal 14 to prevent the passage of hot combustion gases.
  • a stop leg 21 is integrally formed on the frame 15 on the inner support shell 3 and on the casement 16 on the outer support shell 4 in each case parallel to the XX axis.
  • the stop leg 21 has a molded Groove 21a for receiving a stop seal 22, which ensures the wind-tightness of the door.
  • FIG. 3 shows the region of a center cuff of a two-leaf door with two adjacent posts of sash frames 16 and 23.
  • the wing frame 16 with the door lock 17 corresponds to the embodiment of Figure 2
  • the post of the sash or toggle 23 contains in the fire protection insulating 7 centrally located a plastic or metal existing guide tube 24 for receiving a locking bar 25.
  • the locking bar 25 is used in conjunction
  • the guide tube 24 is located centrally in the fire protection insulating compound 7 and thus approximately in the neutral bending zone, so that with strong deflection of the sash 23, which arises in case of fire, the fire protection insulating 7 not additionally with tensions is charged, which can lead to the bursting of the block from the fire protection insulating 7.
  • the guide tube 24 with the locking bar 25 also in the sash 16 for additional locking, e.g. a door-active wing are used.
  • FIG. 4 shows a framework which corresponds in structure to FIG.
  • the profile training is advantageously designed so that the framework can be used as an openable window of fire protection class F30, F60 and F90 in an external facade.
  • the profile formation is advantageously designed so that the rebate space between the window frame 27 and the window sash 28 in the region of the respective outer support shell 4 is increased, so that in a receiving groove 29a in the side legs of the outer support shell 4 of the window frame 27, a middle web seal 29 can be clamped, which rests with its upper lip against a stop edge of the outer support shell 4 of the window sash 28 and thus ensures the wind and rain tightness.
  • the dewatering chamber 31 the water is passed through the drainage hole 32 back to the outside.
  • the drainage hole 32 is covered in a known manner with a rain cap 30.
  • the fitting installation, the glass holder and the anchors are carried out as described in Figure 2.
  • FIG. 5 shows an alternative holder for the fire protection glass 2.
  • the metallic retaining strip has a U-shaped cross-sectional configuration with two side legs 33a and a bottom leg 33b connecting them.
  • the side legs 33a are formed with a continuous hollow chamber, for. B. made of corresponding steel tubes.
  • the side legs 33a are fastened to the bottom leg 33b by means of screws (not shown here).
  • the bottom leg 33b is about 2 to 5 cm wide and is placed at a distance of about 20 to 100 cm.
  • the thickness of the bottom leg 33b is about 2 to 5 mm.
  • the distance and the number of bottom legs 33b depend on the fire resistance duration.
  • the bottom legs 33b are each secured by screws to the side legs 5 of the aluminum inner and outer cups 3, 4. Through this glass holder is achieved that regardless of the direction of the fire, the additional glass holder is always attached to a remote from the fire tray 3 and 4 respectively.
  • FIG 6 is schematically the production of a frame R, as it can be used, for example, for the formation of the frame and / or casement frame used in the above figures to form windows, doors, wall panels, facades and the like.
  • profile components with the above-described structure of substantially U-shaped profile parts made of extruded aluminum, each forming a mecanicentragschale 3 and 4 personallytragschale and at their free leg ends by means of thermally isolating Isolierstege 6 to a single hollow chamber H surrounding composite profile 35th prefabricated and to individual frame sections, which are indicated in Figure 6 by reference R1, R2, R3 and R4, cut to length.
  • the fire protection insulating compound 7 is introduced, at least partially, as one or more molded parts (e) adapted to the entire or a partial cross section of the hollow chamber H, which is illustrated in the drawing by reference numeral 36 ,
  • the frame is composed of the frame sections R1 to R4 in such a manner that the hollow chamber H surrounded by the composite section 35 in the respective frame sections R1 to R4 is circumferentially and continuously passed through the entire frame R, a single insertion of one is sufficient B hole or from two holes B, E in the frame R, to fill the entire circumferential hollow chamber H with fire protection insulation 7 can.
  • corner connectors are used in the transitional areas between adjacent frame sections R1, R2, R3, R4, for each frame section R1 to R4 there is in each case a bore B for filling the fire protection insulating compound 7 and a bore E in each case introduced to escape the air contained and thus each frame section R1 to R4 of the frame R filled separately with the fire-resistant insulating 7.
  • An essential advantage of the method described above is that the cutting of the profile sections takes place before filling with the fire protection insulating compound 7. Since in this case only aluminum (the outer and inner support shell 3, 4) and plastic (the insulating webs 6) must be severed, this can be done on conventional sawing without much effort and wear. On the other hand, a filling with fire protection insulating compound 7 which has already been carried out at this time, owing to the additional fire protection insulating compound 7 to be severed, causes a very high saw wear, which according to the invention is avoided.
  • FIG. 7 essentially corresponds to FIG. 1.
  • at least one (not shown) molded part is inserted before filling the profiles with fire protection insulating compound 7 into the aluminum support shells 3, 4, which after filling and hardening of the fire protection insulating compound 7 again from the profile component 1 can be pulled out, so that in the single hollow chamber H at least one (in the illustrated case two) not filled with fire protection insulating 7 partial chamber (s) 37 remain.
  • This method has the advantage that the profiles can be filled on the rod and the unfilled sub-chambers 37 can be used for the connection of the profiles with a corner bracket (corner connector).
  • FIG. 8 corresponds essentially to FIG. 2.
  • the fire protection insulating 7 - as shown - are reinforced with a reinforcement 39.
  • a thermal insulation 38, 38a and / or reinforcement 39 can of course also be provided independently of the presence of unfilled partial chambers 37. Also in this embodiment, the aforementioned manufacturing advantages come into play.
  • the thermal insulation 38a is formed in the illustrated embodiment as a sandwich plate, the large walls are formed with immersed in fire protection insulating 7 glass fiber cloth mats. This results in a better handling for the introduction of thermal insulation, since this sandwich plate can be easily inserted.
  • FIG. 9 illustrates two further possibilities for achieving that partial chamber (s) not filled with fire-resistant insulating compound 7 in the single hollow chamber H. 37 remain.
  • an adhesive tape 40 is glued into the profile component 1.
  • the adhesive tape 40 closes off the filled part of the hollow chamber H against the unfilled part chamber 37.
  • the sticking of the adhesive tape 40 is carried out before connecting the inner support shell 3 and the outer support shell 4 by the insulating webs 6 and before filling the profile component 1 with fire protection insulating 7.
  • the adhesive tape 40 prevents filling of the sub-chamber 37 with fire protection insulating compound 7. After filling, the adhesive tape 40 remains in profile.
  • the adhesive tape 40 is preferably glued with two protruding into the hollow chamber H, at a distance L opposite legs 41, 42 of the inner support shell 3 and bridges the distance L between the legs 41, 42.
  • the adhesive tape 40 is respectively on side walls of the legs 41, 42, which are the filled with fire protection insulating 7 or initially to be filled part of the hollow chamber H facing. As a result, it can not dissolve under the pressure of the fire protection insulating compound 7 during filling, but is pressed even more firmly.
  • An adhesive tape 40 could of course also be provided analogously to the outer support shell 4.
  • a plastic molding 45 is pushed over two legs 43, 44 of the outer support shell 4 which are opposite one another at a distance L.
  • the plastic molded body 45 closes off the filled part of the hollow chamber H against the unfilled partial chamber 37.
  • the sliding of the plastic molded body 45 is made before or after the connection of the mecanicentragschale 3 and the technicallytragschale 4 by the Isolierstege 6, but in any case before filling the profile member 1 with fire protection insulating 7, whereby the distance L between the legs 43, 44 is bridged ,
  • the plastic molding 45 prevents filling of the sub-chamber 37 with fire protection insulating 7. After filling it remains in the profile.
  • the plastic molded body 45 can not come loose under the pressure of the fire protection insulating compound 7 during filling, it includes the free ends of the legs 43, 44 in a form-fitting manner.
  • a groove 406 is provided on each of the two longitudinal sides of the molded body 45.
  • a plastic molding 45 could of course also be provided analogously to the inner support shell 3.
  • the fire protection insulating 7 is filled in any case so that the free leg ends 300, 301 400, 401 of the trays 3, 4 are fully absorbed in the fire protection insulating 7, like this is shown in Fig. 7, wherein the fire protection insulating 7 may expediently even further outward.
  • the fireproof insulating compound 7 may preferably be completely or partially magnesium oxychloride cement or magnesium oxysulfate cement, which may optionally additionally contain magnesium sulfate or magnesium chloride in each case.
  • this feature and the above-mentioned compositions, which are derived from the stoichiometry of the reactions taking place during setting, are also of inventive significance.
  • magnesium chloride used for the production of fire protection insulating compound 7 can be replaced by a metal chloride, such as calcium chloride, whose cation forms sparingly soluble sulfates.
  • a metal chloride such as calcium chloride
  • runs in the preparation of the insulating 7 a sedimentation reaction according to the equation CaCl 2 + MgSO 4 -> MgCl 2 + CaSO 4 ⁇ from where the magnesium chloride is formed in the manufacturing process itself from the other metal chloride.
  • the precipitated sparingly soluble metal sulfate, gypsum in the illustrated case, in the cured insulating 7 on the one hand exclusively act in the sense of a filler, but on the other hand advantageously contribute to a further property improvement.
  • the fire protection insulating mass 7 contains water glass, in particular soda water glass, this results in a greater strength and water resistance and in an increased fire resistance of the mass.
  • the sodium silicate has a composition with an average molar ratio Na 2 O / SiO 2 of 1: (1.5 to 4.0) and if the soda water glass in initial liquid form in the insulating 7th is introduced, wherein it should have a density of about 1.32 to 1.55 g / cm 3 .
  • the amount of water glass introduced into the insulating compound 7 should be selected so that the magnesium oxychloride cement, magnesium oxysulfate cement or magnesium oxychloride magnesium oxysulfate cement has a composition with an average molar ratio of MgCl 2 (or MgSO 4 , in the case of a magnesium oxysulfate ) . Cement) to soda water glass of about 1: (0.02 to 0.35).
  • the insulating 7 contains silica. This can e.g. be mixed as an amorphous powder.
  • silica in the insulating 7 causes similar improvements in properties as that of the water glass, but it still exacerbates its effect.
  • silica is a collective name for compounds which may contain silica and varying levels of water.
  • orthosilicic acid various types of polysilicic acids and meta-silicic acids and finally the so-called phyllodilicic acid, wherein the silicas mentioned are distinguished by an increasing degree of condensation and decreasing water content in the stated order and in the final stage of the condensation taking place to form chain molecules, almost anhydrous silica is formed.
  • Silica can be produced by precipitation by means of metal salt and / or acid from water glass, where it is present at low degree of condensation initially as (liquid) hydrosol and at a corresponding temperature (starting at room temperature or slightly above) and at a corresponding pH (greater or less than about 3.1-3.3) an enclosure of colloidal disperse silica particles which can lead to gelation.
  • the silica is arranged in a network and / or honeycomb-like structure of high specific surface area and porosity in the water.
  • the fact of the sol-gel reaction can be exploited according to the invention by the silica is generated by precipitation by means of metal salt and / or acid from initially contained in the insulating 7 water glass. On the one hand, this advantageously results in an increase in strength and fire resistance, and on the other hand, the amount of shrinkage of the thermosetting insulating compound 7 is also reduced.
  • the fire protection insulating compound 7 is - as stated - introduced in the flowable state in the hollow chamber H.
  • a fire-resistant insulating compound 7 is preferably used which is prepared from a mixture of magnesium oxide (reactive burnt magnesia) and concentrated, in particular saturated or supersaturated, aqueous magnesium chloride solution and can also be prepared with the addition of magnesium sulfate. In the latter case, the addition of a metal chloride, such as calcium chloride, take place, the cation of which forms sparingly soluble sulfates, such as calcium sulfate.
  • a Magnesiumoxysulfat cement is used in an analogous manner an insulating 7 with concentrated, in particular saturated or supersaturated, saturated aqueous magnesium sulfate solution.
  • the insulating compound 7 can be further prepared with the addition of water glass, in particular of sodium water in liquid solution, preferably two partial mixtures, one of said starting materials for the magnesium oxychloride cement or magnesium oxysulfate cement and another from the water glass, optionally mixed with Magnesium sulfate or magnesium chloride, are stirred into a high-viscosity suspension.
  • water glass in particular of sodium water in liquid solution, preferably two partial mixtures, one of said starting materials for the magnesium oxychloride cement or magnesium oxysulfate cement and another from the water glass, optionally mixed with Magnesium sulfate or magnesium chloride, are stirred into a high-viscosity suspension.
  • the insulating 7 may also contain silica, which is preferably produced in the manufacturing process of the insulating 7 by precipitation by means of acid or salt of water glass. It can be used to set a suitable pH mineral and / or organic acids.
  • silica which is made of a mixture of 35 ⁇ 25% by weight of MgCl 2 , 13 ⁇ 12% by weight of MgSO 4 , 35 ⁇ 25% by weight of MgO and 5.1 ⁇ 5.0% by weight of water glass has proved suitable aqueous waterglass solution optionally, the acid used to react with the water glass may be included.
  • a fire resistance class of up to F120 can be achieved with the invention.
  • the invention is not limited to the various embodiments shown, but also includes all the same effective embodiments that belong to the scope of claim 1.
  • the person skilled in the art can e.g. additionally provide further advantageous measures, such as the addition of fillers or pigments for fire protection insulating 7, which in particular zinc oxide, titanium oxide and aluminum oxide have a particular suitability.
  • embedding armor acting parts or fabrics, such as glass fibers or a fabric made of plastic, wire, glass fibers or the like, in the fire protection insulating 7 may be provided as the benefits of the invention even reinforcing measure.
  • the hollow microspheres are, in particular, functional lightweight fillers known per se, which may be produced in particular on a glass or ceramic basis, for example on a silicate basis with SiO 2 , Al 2 O 3 as constituents, optionally boron-containing, having a density of 0 , 7 to 0.8 g / cm 3 may have a bulk density of 380 to 420 g / l and their grain size may advantageously extend over a range of 10 .mu.m to 2000 .mu.m, preferably from 80 .mu.m to 1000 .mu.m. Particularly advantageous is the use of hollow microspheres with a temperature resistance of up to 1600 ° C and a compressive strength of about 23 MPa, for example of 28 MPa.

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Claims (54)

  1. Elément profilé apte à la résistance au feu, pour la fabrication de fenêtres, portes, éléments de parois, façades et analogues, comprenant deux parties de profilé sensiblement en forme de U, en particulier en aluminium filé à la presse, qui forment une coquille porteuse intérieure (3) et une coquille porteuse extérieure (4) et qui sont réunies, à des extrémités libres (300, 301, respectivement 400, 401) de leurs branches (5) au moyen d'entretoises isolantes (6) à coupure thermique, pour former un profilé composite (35) qui entoure une chambre creuse (H), et dans lequel, entre la coquille porteuse intérieure (3) et la coquille porteuse extérieure (4), le profilé composite (35) constitue un profilé à chambre unique dans lequel la chambre creuse (H) est la chambre unique qui est au moins partiellement remplie d'une masse isolante de protection contre l'incendie (7) dans une zone centrale (4a), et dans lequel est disposée au centre une isolation thermique (38, 38a) qui comporte un panneau sandwich.
  2. Elément profilé apte à la résistance au feu selon la revendication 1, caractérisé en ce que l'isolation thermique (38, 38a) présente des parois qui sont à base de mats en fibre de verre textile plongés dans de la masse isolante de protection contre l'incendie (7).
  3. Elément profilé apte à la résistance au feu selon la revendication 1 ou 2, caractérisé en ce que l'isolation thermique (38, 38a) est au moins en partie à base de laine minérale.
  4. Elément profilé apte à la résistance au feu selon la revendication 1 ou 2, caractérisé en ce que la masse isolante de protection contre l'incendie (7) est renforcée avec une armure (39).
  5. Elément profilé apte à la résistance au feu selon une des revendications 1 à 4,
    caractérisé en ce que les extrémités libres (300, 301, 400, 401) des branches de la coquille porteuse intérieure (3) et de la coquille porteuse extérieure (4) présentent chacune une rainure à contre-dépouille (302, 402) dans laquelle les entretoises isolantes (6) peuvent être insérées par complémentarité de formes avec formation d'un profilé composite (35) capable de supporter une charge statique, et en ce que en particulier les extrémités libres (300, 301, 400, 401) des branches sont entourées complètement dans la chambre creuse (H) par la masse isolante contre l'incendie (7).
  6. Elément profilé apte à la résistance au feu selon une des revendications 1 à 5,
    caractérisé en ce que, en cas de fusion de la coquille porteuse intérieure (3) ou de la coquille porteuse extérieure (4), un profilé capable de supporter une charge statique peut être formé au moyen de la coquille intérieure ou extérieure restante (3, 4) et de la masse isolante (7) de protection contre l'incendie.
  7. Elément profilé apte à la résistance au feu selon une des revendications 1 à 6,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est reliée au profilé composite (35) par une liaison par complémentarité de formes et/ou par action de force.
  8. Elément profilé apte à la résistance au feu selon une des revendications 1 à 7,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est à base minérale.
  9. Elément profilé apte à la résistance au feu selon une des revendications 1 à 8,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) contient de l'eau de constitution de cristal, qui peut être libérée sous l'effet de la chaleur.
  10. Elément profilé apte à la résistance au feu selon une des revendications 1 à 9,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est renforcée d'une toile métallique (8).
  11. Elément profilé apte à la résistance au feu, comprenant une masse isolante de protection contre l'incendie (7) qui peut être chargée dans une chambre creuse (H) selon une des revendications 1 à 10,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) contient un ciment d'oxychlorure de magnésium ou un ciment d'oxysulfate de magnésium ou est entièrement composée d'un ciment d'oxychlorure de magnésium ou d'un ciment d'oxysulfate de magnésium.
  12. Elément profilé apte à la résistance au feu selon la revendication 11,
    caractérisé en ce que le ciment d'oxychlorure de magnésium possède une composition ayant un rapport molaire MgCl2 / Mg(OH)2 / H2O de 1 : (2,5 à 5) ; (8 à 12) ou bien le ciment d'oxysulfate de magnésium possède une composition ayant un rapport molaire MgSO4 / Mg(OH)2 / H2O de 1 : (2,5 à 3,5) ; (6 à 10).
  13. Elément profilé apte à la résistance au feu selon la revendication 11 ou 12,
    caractérisé en ce que la masse isolante de prrotection contre l'incendie (7) contient du chlorure de magnésium ou du sulfate de magnésium, de sorte qu'il se forme un ciment d'oxychlorure de magnésium-oxysulfate de magnésium contenant principalement du chlorure de magnésium ou un ciment d'oxysulfate de magnésium-oxychlorure de magnésium contenant principalement du sulfate de magnésium.
  14. Elément profilé apte à la résistance au feu selon la revendication 13, caractérisé en ce que le ciment d'oxychlorure de magnésium-oxysulfate de magnésium possède une composition ayant un rapport molaire MgCl2 / MgSO4 de 1 : (0,02 à 1,9) ou bien le ciment d'oxysulfate de magnésium-chlorure de magnésium possède une composition ayant un rapport molaire MgSO4 / MgCl2 de 1 : (0,02 à 1,9).
  15. Elément profilé apte à la résistance au feu selon une des revendications 1 à 14,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) contient du verre soluble, en particulier du silicate de soude.
  16. Elément profilé apte à la résistance au feu selon la revendication 15, caractérisé en ce que le silicate de soude possède une composition ayant un rapport molaire moyen Na2O / SiO2 de 1 : (1,5 à 4,0).
  17. Elément profilé apte à la résistance au feu selon la revendication 11 et une des revendications 15 ou 16,
    caractérisé en ce que le ciment d'oxychlorure de magnésium resp. le ciment d'oxysulfate de magnésium ou le ciment d'oxychlorure de magnésium-oxysulfate de magnésium resp le ciment d'oxysulfate de magnésium-oxychlorure de magnésium possède une composition ayant un rapport molaire moyen du sel (MgCl2 et/ou MgSO4) au silicate de sodium de 1 : (0,02 à 0,35).
  18. Elément profilé apte à la résistance au feu selon une des revendications 1 à 17,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) contient de l'acide silicique, en particulier sous forme de gel.
  19. Elément profilé apte à la résistance au feu selon une des revendications 1 à 18,
    caractérisé en ce qu'au moins un élément préformé (36) préfabriqué à partir de la masse isolante de protection contre l'incendie (7) et qui possède une section correspondant à la section totale ou à une section partielle de la chambre creuse (H) est disposé dans la chambre creuse (H).
  20. Elément profilé apte à la résistance au feu selon une des revendications 1 à 19,
    caractérisé en ce qu'il est prévu une masse isolante de protection contre l'incendie (7) durcissable et pouvant être insérée dans la chambre creuse (H).
  21. Elément profilé apte à la résistance au feu selon une des revendications 1 à 20,
    caractérisé en ce que la chambre creuse (H) est entièrement remplie de la masse isolante de protection contre l'incendie (7).
  22. Elément profilé apte à la résistance au feu selon une des revendications 1 à 20,
    caractérisé en ce que la chambre creuse (H) comprend des chambres partielles (37) qui ne sont pas remplies de masse isolante de protection contre l'incendie (7).
  23. Elément profilé apte à la résistance au feu selon la revendication 22,
    caractérisé en ce qu'une partie de la chambre creuse (H) qui est remplie de masse isolante de protection contre l'incendie (7) est séparée par une bande adhésive (40) d'une chambre partielle (37) qui n'est pas remplie de masse isolante de protection contre l'incendie (7).
  24. Elément profilé apte à la résistance au feu selon la revendication 23,
    caractérisé en ce que la bande adhésive (40) est collée à deux branches (41, 42, 43, 44) de la coquille porteuse intérieure et/ou de la coquille porteuse extérieure (3, 4) en saillie dans la chambre creuse (H) et opposées face à face à une distance d'écartement (L) et couvre la distance (L) entre les branches (41, 42, 43, 44), la bande adhésive (40) étant appliquée en particulier sur des parois latérales des branches (41, 42, 43, 44) qui sont dirigées vers la partie de la chambre creuse (H) qui est remplie de masse isolante de protection contre l'incendie (7).
  25. Elément profilé apte à la résistance au feu selon une des revendications 22 à 24,
    caractérisé en ce qu'une partie de la chambre creuse (H) qui est remplie de masse isolante de protection contre l'incendie (7) est séparée d'une chambre partielle (37) qui n'est pas remplie de masse isolante de protection contre l'incendie (7) par un corps préformé en matière plastique (45).
  26. Elément profilé apte à la résistance au feu selon la revendication 25,
    caractérisé en ce que le corps préformé en matière plastique (45) est emboîté sur deux branches (41, 42, 43, 44) de la coquille porteuse intérieure et/ou de la coquille porteuse extérieure (3, 4) en saillie dans la chambre creuse (H) et opposées face à face à une distance d'écartement (L) et couvre la distance (L) entre les branches (41, 42, 43, 44), l'élément préformé en matière plastique (45) comprenant en particulier les extrémités libres des branches (41,42, 43,44) qui se trouvent dans une rainure (406) de l'élément préformé en matière plastique (45).
  27. Elément profilé apte à la résistance au feu selon une des revendications 1 à 26,
    caractérisé en ce que la coquille porteuse extérieure (4) présente, sur son côté extérieur qui est éloigné de la chambre creuse (H), une rainure (405) destinée à recevoir une garniture d'étanchéité (10) pour un vitrage (2).
  28. Elément profilé apte à la résistance au feu selon une des revendications 1 à 27,
    caractérisé en ce que la coquille porteuse intérieure (3) et/ou la coquille porteuse extérieure (4) présentent des rainures (303, 304, 403, 404) destinées à recevoir des garnitures d'étanchéité (14) qui gonflent en mousse sous l'effet de la chaleur.
  29. Elément profilé apte à la résistance au feu selon une des revendications 1 à 28,
    caractérisé en ce qu'une parclose (11) peut être montée contre le côté extérieur, éloigné de la chambre creuse (H), de la coquille porteuse intérieure (3) et/ou de la coquille porteuse extérieure (4).
  30. Elément profilé apte à la résistance au feu selon une des revendications 1 à 29,
    caractérisé en ce que la coquille porteuse intérieure (3) et/ou la coquille porteuse extérieure (4) présentent, sur le côté extérieur, éloigné de la chambre creuse (H), une branche de butée saillante (21) munie d'une rainure formée intérieurement dans laquelle peut être insérée une garniture d'étanchéité de butée (22).
  31. Fenêtre ou porte comprenant au moins un châssis (R) formé de tronçons des éléments profilés aptes à la résistance au feu selon une des revendications 1 à 30, et un vitrage (2) tenu à l'intérieur du châssis (R) et fait d'une vitre de protection contre l'incendie.
  32. Fenêtre ou porte selon la revendication 31,
    caractérisée en ce que le vitrage (2) est muni, dans sa région marginale, d'éléments préformés métalliques (13) en forme de U, emboîtés sur le vitrage (2) et les éléments préformés (13) sont vissés à la coquille porteuse intérieure (3) et à la coquille porteuse extérieure (4) des éléments profilés dans la région des branches latérales (5).
  33. Fenêtre ou porte selon la revendication 31 ou 32,
    caractérisée en ce qu'une garniture d'étanchéité (14) qui se gonfle en mousse sous l'effet de la chaleur est disposée entre le vitrage (2) et le châssis (R).
  34. Fenêtre ou porte selon une des revendications 31 à 33,
    caractérisée en ce qu'entre le vitrage (2) et le châssis (R) est prévue une réglette de retenue métallique (33) en forme de U, possédant des branches latérales (33a) et une branche de fond (33b) qui les relie, qui entoure et retient le vitrage (2) le long du bord, les branches latérales (33a) étant creuses et la branche de fond (33b) étant vissée à la coquille porteuse intérieure (3) et à la coquille porteuse extérieure (4) du châssis (R) dans la région der branches latérales (5).
  35. Fenêtre ou porte selon une des revendications 31 à 34,
    caractérisée en ce que le châssis (R) qui tient le vitrage (2), qui constitue un châssis ouvrant (16), est fixé de façon mobile à un châssis dormant (15) composé de tronçons des éléments profilés avec formation d'une chambre de feuillure périphérique (F), et une serrure (17) est fixée sur le côté du châssis ouvrant (16) dirigé vers la chambre de feuillure (F) et une gâche (19) qui peut être mise en prise avec la serrure est fixée sur le côté du châssis dormant (15) qui est dirigé vers la chambre de feuillure (F), à chaque fois avec interposition d'une languette d'assemblage (18), et les languettes d'assemblage (18) sont fixées à l'aide de vis aux branches (5) de la coquille porteuse extérieure (4) et de la coquille porteuse intérieure (3) du châssis dormant (15), respectivement du châssis ouvrant (16).
  36. Fenêtre ou porte selon la revendication 35,
    caractérisée en ce que, sur le châssis dormant (15), sur le côté éloigné de la chambre de feuillure (F), est fixée une partie d'ancrage (20) qui est fixée au moyen de vis aux branches latérales (5) de la coquille porteuse intérieure (3) et de la coquille porteuse extérieure (4) du châssis dormant (15).
  37. Fenêtre ou porte selon la revendication 35 ou 36,
    caractérisée en ce que, dans un montant (23) du châssis dormant (15), un tube de guidage (24) destiné à loger une tringle de verrouillage (25) est disposé dans la masse isolante de protection contre l'incendie (7).
  38. Fenêtre ou porte selon une des revendications 35 à 37,
    caractérisé en ce que, sur le côté du châssis dormant (15) qui est dirigé vers la chambre de feuillure (F), est formée, dans la région de la branche latérale (5) de la coquille porteuse extérieure (4), une rainure réceptrice (29a) dans laquelle peut être insérée une garniture d'étanchéité de barrette centrale (29) en saillie dans la chambre de feuillure (F) et, dans la région du châssis ouvrant (16) qui fait face à la rainure réceptrice (29a) et est dirigée vers la chambre de feuillure (F), sur la branche latérale (5) de la coquille porteuse extérieure (4) de ce châssis, est formé un bord de butée (29b) pour la garniture d'étanchéité de barrette centrale (29).
  39. Procédé de fabrication d'un élément profilé apte à la résistance au feu (1) pour la fabrication de fenêtres, portes, éléments de paroi, façades et similaires, en particulier d'un élément profilé (1) selon une des revendications 1 à 38, dans lequel on assemble tout d'abord deux éléments profilés sensiblement en forme de U, en particulier en aluminium filé à la presse, qui forment une coquille porteuse intérieure (3) et une coquille porteuse extérieure (4), aux extrémités libres (300, 301, respectivement 400, 401) des branches (5) du profilé en U, au moyen d'entretoises isolantes (6) formant coupure thermique, pour obtenir un profilé composite à chambre unique (35) qui entoure une chambre creuse unique (H), et ensuite on remplit la chambre creuse (H) au moins partiellement dans une zone centrale (4a) d'une masse isolante de protection contre l'incendie (7), et au centre du profilé composite à chambre unique (35), on introduit une isolation thermique (38, 38a) qui comprend un panneau sandwich.
  40. Procédé selon la revendication 39,
    caractérisé en ce qu'on sertit les entretoises isolantes (6) par moletage dans des rainures (302, 402) qui se trouvent aux extrémités libres (300, 300, respectivement 400, 401) des branches de la coquille porteuse intérieure et de la coquille porteuse extérieure (3, 4).
  41. Procédé selon la revendication 39 ou 40,
    caractérisé en ce qu'on utilise comme masse isolante de protection contre l'incendie (7) une masse isolante de protection contre l'incendie (7) durcissable, qui peut être introduite dans la chambre creuse (H).
  42. Procédé selon une des revendications 39 à 41,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est produite à partir d'un mélange d'oxyde de magnésium, (magnésie calcinée) et d'une solution de chlorure de magnésium et/ou solution de sulfate de magnésium aqueuse, concentrée, en particulier saturée ou sursaturée.
  43. Procédé selon la revendication 42,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est produite avec addition de verre soluble, en particulier de silicate de soude, qui est introduit sous forme liquide dans la masse isolante de protection contre l'incendie (7), ce verre présentant en particulier une densité de 1, 32 à 1,55 g/cm3.
  44. Procédé selon la revendication 42 ou 43,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est produite avec addition d'un chlorure métallique comme le chlorure de calcium, dont le cation forme des sulfates difficilement solubles dans la masse isolante de protection contre l'incendie (7), comme le sulfate de calcium.
  45. Procédé selon l'une des revendications 42 à 44,
    caractérisé en ce qu'on utilise une masse isolante de protection contre l'incendie (7) qui contient de l'acide silicique.
  46. Procédé selon la la revendication 45,
    caractérisé en ce que l'acide silicique est produit par précipitation au moyen d'un sel métallique et/ou d'acide à partir de verre soluble contenu initialement dans la masse isolante de protection contre l'incendie (7).
  47. Procédé selon une des revendications 39 à 46,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est produite à partir d'un mélange de 35 ± 25 pour cent en masse de MgCl2, 13 ± 12 pour cent en masse de MgSO4, 35 ± 25 pour cent en masse de MgO et 5,1 ± 5,0 pour cent en masse d'une solution aqueuse de silicate de soude avec addition d'eau, ce mélange pouvant contenir un acide minéral et/ou organique.
  48. Procédé selon l'une des revendicatioins 39 à 43,
    caractérisé en ce que la masse isolante de protection contre l'incendie (7) est produite à partir d'un mélange de 13 ± 12 pour cent en masse de MgCl2, 31 ± 30 pour cent en masse de MgSO4, 31 ± 30 pour cent en masse de MgO et 5,1 ± 5,0 pour cent en masse de verre soluble avec addition d'eau et contient une fraction de 1 à 30 pour cent en volume de microbilles creuses comme matière de charge.
  49. Procédé selon une des revendications 41 à 48,
    caractérisé en ce que, pour produire au moins une chambre partielle (37) qui n'est pas remplie de masse isolante de protection contre l'incendie (7), avant d'assembler la coquille porteuse intérieure (3) et la coquille porteuse extérieure (4) ainsi qu'avant de remplir la chambre creuse (H) avec de la masse isolante de protection contre l'incendie (7), on ferme la chambre partielle (37) qui n'a pas à être remplie au moyen d'une bande adhésive (40), la bande adhésive (40) restant dans la chambre creuse (H) après le durcissement de la masse isolante de protection contre l'incendie (7).
  50. Procédé selon la revendication 49,
    caractérisé en ce que la bande adhésive (40) est collée à deux branches (41, 42, 43, 44) de la coquille porteuse intérieure et/ou de la coquille porteuse extérieure (3, 4) qui sont en saillie dans la chambre creuse (H) et opposées face à face à une certaine distance d'écartement (L).
  51. Procédé selon une des revendications 41 à 50,
    caractérisé en ce que, pour produire au moins une chambre partielle (37) qui n'est pas remplie de masse isolante de protection contre l'incendie (7), avant de remplir la chambre creuse (H) avec de la masse isolante de protection contre l'incendie (7), on ferme la chambre partielle (37) qui n'a pas à être remplie au moyen d'un corps préformé en matière plastique (45), le corps préformé en matière plastique (45) restant dans la chambre creuse (H) après le durcissement de la masse isolante de protection contre l'incendie (7).
  52. Procédé selon la revendication 51,
    caractérisé en ce qu'on emboîte le corps préformé en matière plastique (45) sur deux branches (41, 42, 43, 44) en saillie dans la chambre creuse (H) opposées face à face à une certaine distance d'écartement (L), de la coquille porteuse intérieure et/ou de la coquille porteuse extérieure (3, 4), le corps préformé en matière plastique (45) comprenant en particulier les extrémités libres des branches (41, 42, 43, 44) par complémentarité de formes.
  53. Procédé selon une des revendications 41 à 52,
    caractérisé en ce que, pour produire au moins une chambre partielle (37) qui n'est pas remplie de masse isolante de protection contre l'incendie (7) dans la chambre creuse (H), avant de remplir la chambre creuse (H) de masse isolante de protection contre l'incendie (7), on insère dans la chambre creuse (H) au moins un élément préformé qui est de nouveau retiré de l'élément profilé (1) après le chargement et le durcissement de la masse isolante de protection contre l'incendie (7).
  54. Procédé selon une des revendications 41 à 52, en particulier pour la fabrication de châssis (R) pour fenêtres ou portes selon les revendications 31 à 38,
    caractérisé en ce qu'on découpe le profilé composite (35) formé d'une coquille porteuse intérieure (3), d'une coquille porteuse extérieure (4) et d'entretoises isolantes (6) en tronçons (R1, R2, R3, R4) et on les assemble dans les régions d'angle pour former un châssis (R), ensuite, on pratique dans le châssis (R) au moins un perçage (B) menant à la chambre creuse (H) entourée par le profilé composite (35), puis on introduit la masse isolante de protection contre l'incendie (7) durcissable dans la chambre creuse (H) à travers le perçage (B), après quoi on referme le perçage (B).
EP02797967A 2001-09-10 2002-09-09 Element profile refractaire et procede permettant de le produire Expired - Lifetime EP1425492B1 (fr)

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DE20114949U DE20114949U1 (de) 2001-07-07 2001-09-10 Feuerwiderstandsfähiges Profilbauteil
DE20114949U 2001-09-10
EP02005502 2002-03-11
EP20020005502 EP1296013B1 (fr) 2001-07-07 2002-03-11 Profilé de construction résistant au feu et procédé pour sa fabrication
PCT/EP2002/010060 WO2003023175A1 (fr) 2001-09-10 2002-09-09 Element profile refractaire et procede permettant de le produire
EP02797967A EP1425492B1 (fr) 2001-09-10 2002-09-09 Element profile refractaire et procede permettant de le produire

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012100617A1 (de) 2012-01-25 2013-07-25 Novoferm Gmbh Feuerwiderstandsfähiges Profilbauteil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012100617A1 (de) 2012-01-25 2013-07-25 Novoferm Gmbh Feuerwiderstandsfähiges Profilbauteil
EP2620581A1 (fr) 2012-01-25 2013-07-31 Novoferm GmbH Composant profilé résistant au feu
DE202012013237U1 (de) 2012-01-25 2015-07-27 Novoferm Gmbh Feuerwiderstandsfähiges Profilbauteil

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