EP1799927B1 - Element en materiau isolant - Google Patents

Element en materiau isolant Download PDF

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Publication number
EP1799927B1
EP1799927B1 EP05797418A EP05797418A EP1799927B1 EP 1799927 B1 EP1799927 B1 EP 1799927B1 EP 05797418 A EP05797418 A EP 05797418A EP 05797418 A EP05797418 A EP 05797418A EP 1799927 B1 EP1799927 B1 EP 1799927B1
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EP
European Patent Office
Prior art keywords
insulating element
recited
parts
shaped body
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05797418A
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German (de)
English (en)
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EP1799927A1 (fr
Inventor
Gerd-Rüdiger Klose
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Deutsche Rockwool Mineralwoll GmbH and Co OHG
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Deutsche Rockwool Mineralwoll GmbH and Co OHG
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Application filed by Deutsche Rockwool Mineralwoll GmbH and Co OHG filed Critical Deutsche Rockwool Mineralwoll GmbH and Co OHG
Priority to SI200531227T priority Critical patent/SI1799927T1/sl
Publication of EP1799927A1 publication Critical patent/EP1799927A1/fr
Application granted granted Critical
Publication of EP1799927B1 publication Critical patent/EP1799927B1/fr
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Classifications

    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7641—Elements for window or door openings, or for corners of the building
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7683—Fibrous blankets or panels characterised by the orientation of the fibres

Definitions

  • the invention relates to an insulating element with a shaped body of mineral fibers, preferably rock wool, in the form of a plate or a web, with two large surfaces, which are arranged at a distance and parallel to each other and connected to each other via side surfaces, wherein the side surfaces are aligned at right angles to each other and the mineral fibers have a course substantially perpendicular to the large surfaces and thus substantially parallel to the side surfaces, so that the pressure resistance of the shaped body in the direction of the surface normal of the large surfaces is greater than the compressive strength of the shaped body in the direction of the surface normal of the side surfaces, wherein at least one molding is arranged on at least one side surface, in particular on two oppositely arranged side surfaces.
  • a shaped body of mineral fibers preferably rock wool
  • Insulating elements are made for example of mineral fibers.
  • the artificially produced glassy solidified mineral fibers have an average diameter of about 6 to 8 microns and are arranged in a very loose three-dimensional aggregate and partially bonded with predominantly organic binders.
  • thermosetting phenolic, formaldehyde and / or urea resins are often used. Occasionally, some of these resins are also substituted by polysaccharides. The resins contain small amounts of substances liable to adhesion such as silanes. In addition, film-forming thermoplastic binders are used occasionally for the binding of flexible insulating elements.
  • the proportions of organic binders in the insulating elements are low and are far from sufficient to point-wise connect all mineral fibers ideally.
  • not more than about 12% by mass of the dry substance of the binder are generally used.
  • insulating elements made of mineral fibers that they are designed to be primarily water repellent. This property, as well as the improved binding of the finest mineral fibers, that is a dust bond achieved by, for example, substances such as high-boiling mineral oils, oil-in-water emulsions, waxes, silicone oils and resins are added to the binders. These substances are referred to collectively as additives or as lubricants.
  • additives or lubricants For example, in the production of insulating elements made of mineral fibers, in particular rock wool, a proportion of 0.1 to about 0.4 mass% of mineral oil is used in the binder.
  • These mineral oils or additives or lubricants are distributed much more uniformly in the insulating elements, as the binder, which form films on the mineral fibers, which have a material thickness of a few nanometers.
  • the binders are opaque to opaque as a compact body and are present in the insulating elements made of mineral fibers in relatively high dispersion as droplets or in film sections. In this dispersion, the binders are translucent, so that they are permeable to UVA and UVB radiation. These radiation components, together with IR radiation, have a negative effect on the plastics in the binders, which thereby become brittle and, at the same time, discolor, for example, brownish. Since the radiation is effective up to the interfaces between the plastics of the binder and the surfaces of the mineral fibers, the adhesion and thus the strength of the mineral fiber insulating elements is reduced by the action of sunlight.
  • mineral oils used lose their effectiveness under the action of these radiations.
  • mineral oils the alternative is the use of more resistant to oxidation silicone oils and resins. silicone oils and resins are not used because of the risk of contamination in the area of adjacent components.
  • the insulating elements of mineral fibers lose their strength and absorb water. At the same time, their appearance naturally changes, which is often rated at least as a visual defect. Although these weathering effects are limited to the respective surface layers of the insulating elements made of mineral fibers and the immediately underlying zones, yet this can be done by a continuous release of mineral fibers, which affects the environment.
  • Mineral fiber insulation elements are glued with their large surfaces with profiled sheets and form sandwich elements.
  • the profiling of the sheets can be designed differently, wherein a sandwich element consists of a middle layer of insulating elements made of mineral fibers and two outer profiled sheets. From such sandwich elements both building walls and roofs for buildings are made.
  • the outer panels in the building are usually formed in these sandwich elements with a stronger profiling or pronounced beads.
  • sandwich elements are known whose outer sheet metal is formed wavy in the building.
  • the internal panels in the building usually have only embossing and / or flat beads, which give these sheets a panel-like structure.
  • the sheets arranged insulating elements are those made of a non-combustible mineral wool with a melting point> 1000 ° C according to DIN 4101, Part 17 are used, which usually bulk densities of more than 100 kg / m 3 and in which the fibers predominantly in one steep storage and / or are arranged at right angles to the large surfaces of the insulating element.
  • the preparation of such insulating elements is for example in the US-A-5,981,024 described.
  • the previously known from this document insulation elements have a web-like arrangement.
  • the above-described orientation of the mineral fibers perpendicular to the large surfaces or in a steep storage for this purpose serves primarily to increase the transverse tensile strength of the insulating elements at right angles to the large surfaces.
  • the rigidity is increased parallel to the orientation of the web-like arrangement.
  • the size of the shrinkage depends inter alia on the shape and arrangement of the mineral fibers, the packing density and / or the bulk density.
  • the horizontal shrinkages ie in the direction of the mineral fibers significantly lower than in a direction perpendicular thereto.
  • mineral wool lamella plates or mineral wool lamellae are often used. These in turn are separated slice by slice in the desired thickness of insulation boards, which have previously been obtained from a multi-folded mineral fiber web.
  • a thin, impregnated with not yet consolidated binders and additives, humid primary mineral fiber web by means of a pendulum moving conveyor placed transversely on a second slow-speed conveyor. The individual layers of the mineral fiber web are stacked slightly stacked until reaching a desired level of a secondary mineral fiber web.
  • the primary mineral fiber web is characterized by flake-like agglomerations, in which the mineral fibers are preferably aligned parallel to the flow direction of the transport air in the collecting chambers and in which the mineral fibers are obviously more strongly impregnated with binders and water.
  • On this primary mineral fiber web are the less or unbound mineral fibers or flakes, which have a different trajectory.
  • the mineral fibers store here easily over and next to each other. A pronounced alignment in the horizontal planes usually does not happen. Again, there are different mineral fibers or flakes impregnated with binders.
  • the collected to maximum heights mineral fiber webs are then vertically compressed by obliquely arranged conveyors vertically to transmit shear forces from the outside and to induce a horizontally directed compression by delaying the conveying speed can. Due to the superimposed upsetting movements, there is an intense unfolding of the mineral fibers. Here, the core areas of the original primary mineral fiber web can be seen as narrow band-like structures between which mineral fibers are in rolled, but at least lesser density. These band-like densities extend in a seemingly horizontal position across the folded mineral fiber web. After solidification of the mostly used thermosetting resin mixtures with the aid of hot air, the unfolded structure is fixed. At the crude density range in question of about 90 to about 160 kg / m 3 is currently the maximum thickness of insulation boards that can be produced in this way, about 200 mm.
  • the band-like structures are arranged at right angles to separating surfaces of adjacent layers of the mineral fiber web, while the mineral fibers in these structures are oriented flat or at shallow angles thereto. Between the band-like structures, mineral fibers are in a loose bandage, reducing the shear strength in the horizontal direction. As part of sandwich elements, the mineral wool slats are either joined together to form large mineral wool lamella plates or successively glued to a carrier layer.
  • the insulating elements are produced with smooth surfaces or with surface contours formed largely according to a profiling of the sheets.
  • an adhesive layer preferably made of a polyurethane adhesive, with which the insulating elements and the treated with anti-corrosion layers sheets are sufficiently coated, so that the adhesive layer, inter alia Fill almost completely by dimensional tolerances caused cavities between the insulating elements and the sheets.
  • these adhesive layers are applied with a material thickness between 0.5 and 5 mm on the insulating elements or the sheets, wherein in the region of the vertices of curvatures of the sheets greater thicknesses of the adhesive layer are applied.
  • the sheets form metallic cover layers, which are reinforced or corrugated to increase their moments of resistance in the longitudinal direction by profiling and mostly complemented by flatter beads.
  • the outer layers in the building are more profiled, among other things because of the weather protection, the drainage as well as architectural reasons than the inside of the building cover layers, which usually get flat contouring and corresponding beads and thus give a panel-like appearance.
  • cover layers have edges that are shaped so that adjacently arranged sandwich elements intermesh positively and cause a sufficient adhesion after attachment of the sandwich elements with the supporting structural elements or layers.
  • the connections are usually outside the water-bearing levels or are additionally secured by sealing strips.
  • the side surfaces of the insulating elements are usually profiled on both sides.
  • the profilings have tight dimensional tolerances, so that only very narrow joints between the insulating elements are formed. This should prevent convection currents over the joints and the entry of moisture into the insulation or at least significantly reduced. In the same In the same sense, the thermal bridge effect of the joints is reduced.
  • the production of the profiles of the insulating elements is a complex process.
  • Vapor-retarding coatings or impregnations may reduce or eliminate the negative effects of joint designs.
  • the profiles can be due to the predominant arrangement of mineral fibers at right angles to the large surfaces of the insulating elements and the stratification of the individual mineral fiber layers collapse in parallel easily.
  • the disadvantage is that regularly present binder-free or poor areas of the insulating elements weaken the strength of the profiles and easily deform, so that they already damaged during the production, but especially during storage, transport or assembly of the sandwich elements or even sheared off completely become. Changing outside temperatures or solar radiation also lead to strong expansions of the outer layers.
  • the insulating elements made of mineral fibers are not subject to thermally induced changes in shape in this temperature range.
  • the insulating elements made of mineral fibers have two large surfaces, which have already been described above to be glued to the sheets.
  • the insulating elements of mineral fibers on four side surfaces which are generally aligned at right angles to each other and connect at right angles to the surfaces and connect these spaced-apart surfaces together.
  • At least one side surface, but in particular two oppositely disposed side surfaces have a profiling, as for example in the DE-A-41 33 416 is shown as a tongue or groove. This profiling allows a joint-tight collision of adjacent insulation elements made of mineral fibers, wherein thermal bridges are substantially avoided by discontinuities between adjacent insulating elements made of mineral fibers.
  • a spring is formed on a longitudinal side of the insulating element and a groove is formed on the opposite, parallel side surface, wherein the spring completely fills the groove.
  • strip-like formations may be provided which further improve the sealing of the above-described joints of adjacent insulating elements.
  • the sandwich elements described above are connected after their installation in the wall or ceiling area with a support structure.
  • fasteners such as screws used with which the sandwich elements anchored to the support structure and the cover plates are positively connected to each other.
  • the side surfaces of the sandwich elements remain open, and it is common in the field of the design of a roof of such sandwich elements to cover these side surfaces by upper and lower ridge plates to the outside and the interior.
  • the side surfaces are covered by a folded sheet metal, which is inserted between the supporting structure or the roof substructure, a gutter plate and the lower plate of the sandwich element and fastened together with the two sheets of the sandwich element.
  • a wind deflector is provided in the roof area, which takes over a part of the weather protection and is mounted on the outside in the building sheet metal of the sandwich element.
  • the invention has for its object to further develop an insulating element such that the above-described disadvantages of the prior art are avoided and the insulating element is further joined together in a simple assembly with adjacent insulation elements in a joint-tight connection and in particular in Fire is dense and dimensionally stable.
  • an insulating element that the bzv. the moldings have a compressive strength in the direction of the surface normal of the large surfaces, which is lower than the compressive strength of the Formmils or the mold parts in the direction of the surface normal of the side surfaces on which the molding or is or are arranged.
  • the insulating element according to the invention thus consists of a molded body and at least one molded part, which is arranged in the region of a side surface of the shaped body.
  • the molded article has an orientation of the mineral fibers substantially perpendicular to its large surfaces, while the molded article has a compressive strength in the direction of the surface normal of the large surfaces, which is lower than the compressive strength of the molded article in the direction of the surface normal of the side surface on which the molded article is disposed is.
  • two oppositely arranged side surfaces have correspondingly shaped parts.
  • the shaped body in the direction of its surface normal of the large surfaces has a high compressive strength, so that the molding can withstand high pressure loads on its large surfaces.
  • the molded part is designed such that it is formed compressible in the direction of the Fiambaennormalen the large surfaces of the shaped body, so that to be joined moldings can be formed with slight oversize and then form a smoke and fire-tight joint seal.
  • This joint seal also remains tight in the case that different coefficients of expansion of the shaped body, the moldings and a cover layer optionally arranged on the shaped body are given in the form of a profiled sheet.
  • the molded parts consist of bonded mineral fibers.
  • the molded parts have an orientation of the mineral fibers at right angles to the mineral fibers of the shaped body.
  • the mineral fibers of the moldings are perpendicular to the mineral fibers of the molded body, so that the different compressive strengths of molded body and moldings are easily adjusted by the orientation of the mineral fibers.
  • a further development of the invention provides that the molded parts are connected to the molded body and / or to a cover layer arranged on at least one large surface of the molded article, for example a sheet-metal shell profiled in particular.
  • the connection between moldings and moldings leads to a ready-to-install insulating element, wherein the production is substantially simplified and errors are excluded with regard to the correct assignment of moldings and moldings.
  • connection between the molded parts and the molded body and / or between the molded body and the sheet metal shell and / or between the molded parts and the sheet metal shell is given by the fact that an adhesive layer is disposed between the structural elements to be connected.
  • the adhesive layer may be fully or partially formed, with particular adhesive or adhesive having been found to be particularly suitable as an adhesive for the adhesive layer.
  • An alternative connection of the construction elements is that the mold parts are positively connected to the molded body, for example via a plug connection.
  • moldings and moldings can also be adhesively bonded with a positive connection.
  • the two molded parts of a shaped body have correspondingly formed outer surfaces, which enables a positive connection of adjacently arranged insulating elements.
  • the correspondingly formed outer surfaces can be formed in the simplest way as a groove on the one hand and spring on the other.
  • the moldings have a deviating from the bulk density of the molding, in particular reduced bulk density. Due to the reduced bulk density, the elastic-resilient properties of the molded parts are improved, whereby an elastic-resilient connection between adjacent insulating elements is possible, the relative movements of adjacent Insulating elements allows each other in a substantially simplified form.
  • the design of the molded parts with an increased density can also be advantageous since this can significantly reduce the influence of the fiber orientation on the shrinkage behavior.
  • the moldings have up to 25 mass% embedded granular constituents which dehydrate at higher temperatures, especially in case of fire and split off carbon dioxide. These substances can be introduced alone or in mixtures with each other. The elimination of gases in case of fire, a back pressure in the joint area to be built, which is to complicate the passage of flue gases.
  • the molded parts of mineral fibers inorganic binders such as organically modified silanes (Ormosile), water glasses, silica sol or the like.
  • these regions of the insulating element made of mineral fibers are additionally protected against the effects of weathering.
  • this coating leads to a stabilization of the outer surface in the region of the molded parts, whereby the release of mineral fibers and thus also of dust-like particles is reduced.
  • a dispersion silicate paint according to DIN 18363 has proven to be particularly suitable.
  • a dispersion silicate paint can be applied to the outer surfaces of the moldings in a simple and, in particular, covering manner.
  • contain silicate paints or dispersion silicate paints according to DIN 18363 usually organic polymer dispersions, for example, pure acrylates, styrene-acrylates or terpolymers and other organic dispersants, stabilizers, rheological additives, film-forming aids and water repellents, but these components are present in such a small proportion that an impairment of the building material class of so that exclusively in the field of external surfaces processed insulation elements made of mineral fibers is not given.
  • the silicate paints or dispersion silicate paints mentioned above contain fillers and pigments as the largest components in terms of quantity.
  • the fillers and pigments are selected such that they react as little as possible with the silicate binders of the insulating elements made of mineral fibers.
  • the fillers and pigments are selected such that a reaction between these fillers and pigments and the silicate binders does not occur.
  • the coating consists of water glass, in particular of potassium water glass and / or sodium water glass.
  • these constituents can also be used in the customary color systems of silicate paints or dispersion silicate paints, since in particular the sodium carbonate hydrate which forms in the event of a fire has a positive effect on the fire behavior of the insulating element.
  • the water glass is mixed with a polymer dispersion and / or fillers, such as dolomite, kaolin or the like. These fillers react with the water glass.
  • Organically modified silanes are provided here as suitable organic binders.
  • the coating is multi-layered, wherein at least one layer of water glass and at least one layer consists of a polymer dispersion.
  • the shaped parts have surfaces that are aligned substantially parallel to the large surfaces of the shaped body and have surfaces that are aligned substantially parallel to the side surfaces of the shaped body, which are substantially parallel to the large surfaces aligned surfaces have the coating and the aligned substantially parallel to the side surfaces surfaces are free of coating.
  • the molded parts may have a profiling which has flanks extending parallel or obliquely to the large surfaces. In the embodiment described above thus remain end faces of the profiling, namely, for example, a groove bottom and on the groove base in nested neighboring insulating elements resting web of a spring of the adjacent insulating element free of binder, so that the elasticity of the insulating elements is maintained in this area.
  • the adaptability of the insulating elements is increased. For example, this can also compensate for manufacturing tolerances of the insulating elements in the region of the molded parts.
  • the coating is formed film-forming and in particular water vapor braking, so that in the joints between adjacent insulation elements at least a water vapor-braking effect is achieved, which at least greatly limits the diffusion of water vapor.
  • the coating has a lamination, in particular a metal foil, which improves the water vapor-damping effect and acts as a barrier to water vapor.
  • the coating is partially formed as impregnation, which is incorporated in a near-surface region of the moldings. This will be an improved Adhesion of the coating obtained on the hydrophobic mineral fibers.
  • the molded parts in the area of the surfaces aligned essentially parallel to the side surfaces have a coating which deviates from the coating on the surfaces of the molded parts which are aligned substantially parallel to the large surfaces.
  • the coating in the region of the surfaces aligned substantially parallel to the side surfaces consists of a silicate primer and a dispersion silicate paint applied thereto in accordance with DIN 18363 or a paint applied thereto based on synthetic latexes.
  • the free edges of the moldings have chamfers, which are particularly advantageous if the profiling are laminated in the region of their surfaces with metallic cover layers.
  • the chamfers counteract any possible gap formation between the metallic cover layers on the one hand and an adhesive and insulating layer on the other hand and thus capillary water absorption. The same applies to a possible gap formation between the adhesive layer and the insulating material layer.
  • a separation surface is formed, which is substantially anti-parallel to the surface normal of the large surface of the shaped body.
  • this separation surface is formed partially bent.
  • the effect of this anti-parallel to the surface normal of the large surfaces extending interface is that an applied to the insulating element, in a building outer cover layer presses through the fasteners on the compressible in a direction perpendicular to the surface normal of the large surfaces of the insulating body molding and it in this way on re-storage of an adjacent insulating element in the form of perpendicular to the large surfaces of the Mold body extending mineral fibers pressed.
  • An additional seal can be provided here by the way by additional fold-like projections.
  • the moldings may according to a further feature of the invention consist of mineral fibers and thermostable, preferably at higher temperatures, especially in case of fire gas releasing materials. It has also proven to be advantageous to form the moldings with a bulk densities between 150 and 1000 kg / m 3 , preferably between 180 and 400 kg / m 3 . Finally, it is advantageous according to a further feature of the invention to use a erfindungsgernäßes insulating element as the middle layer, in particular as a core layer in a sandwich element, which has two outside layers, preferably in the form of profiled or corrugated metal sheets and in particular as a wall and / or ceiling element a building can be used.
  • FIG. 1 illustrated insulating element 1 consists of a molded body 5 made of binders bound mineral fibers 2.
  • the molded body 5 has two large surfaces 3, which are arranged at a distance and parallel to each other.
  • the large surfaces 3 are connected to each other via four side surfaces 4, wherein in FIG. 1 only three side surfaces 4 are shown, the parallel and at right angles to the large surfaces 3 are aligned.
  • the mineral fibers 2 have in the molded body 5 a course perpendicular to the large surfaces 3, so that the shaped body 5 in the direction of the surface normals of the large surfaces 3 pressure resistant and in the direction of the surface normal of the side surfaces 4 in contrast flexible or compressible.
  • Shaped parts 6 are arranged on two opposite side surfaces 4 of the shaped body 5, wherein in FIG FIG. 1 two different attachment methods for the mold parts 6 are exemplified in the molded body 5 are shown.
  • the two mold parts 6 on the opposite side surfaces 4 are formed corresponding to each other in such a way that the one molded part 6 has a spring 7 which can be inserted in a form-fitting and sealing manner into a corresponding groove 8 in the second mold part 6.
  • the molded parts 6 essentially consist of mineral fibers 2, which are aligned at right angles to the fiber path of the mineral fibers 2 in the molded body 5 and thus at right angles to the surface normals of the large surfaces 3 of the molded body 5. Accordingly, the molded parts 6 have a greater compressibility and thus lower compressive strength compared to the molded body 5 in the direction of the surface normal of the large surfaces 3 of the molded body 5, than the molded body 5. The joining of the molded parts 6 adjacently arranged insulating elements 1 is thus substantially simplified.
  • the mold parts 6, in particular in the region of the spring 7 or the groove 8, may be formed with a slight oversize which, due to the compressibility of the spring 7 or the groove walls when the mold parts 6 are adjacent to one another, forms a positive and frictional engagement of groove 8 and spring 7 allows.
  • FIG. 1 1 shown on the right has a nose 9 which is positively inserted in a corresponding recess 10 in the molded body 5.
  • the nose 9 and the recess 10 form a positive connection of the molded part 6 with the molded body. 5
  • the left mold part 6 is glued to the molded body 5, wherein on the side surface 4 of the shaped body 5, an adhesive layer 11 is applied from a hot melt adhesive over the entire surface.
  • the bulk density of the moldings 6 compared to the density of the molded body 5 is formed smaller, wherein the moldings 6 has a density of 180 kg / m 3 and the molded body 5 has a density of 220 kg / m 3 .
  • FIG. 2 shows a second embodiment of an insulating element 1, wherein identical structural elements are designated by like reference numerals.
  • the embodiment of the insulating element 1 according to FIG. 1 differs from the embodiment of the insulating element 1 according to FIG. 1 in that the molded parts 6 are designed differently.
  • FIG. 2 For one thing shows FIG. 2 on the right a molding 6, which consists of mineral fibers 2, which are arranged in an unordered orientation, but together form a molding 6, the compressive strength in the direction of the surface normal of the large surfaces 3 of the molding 5 is less than the compressive strength of the molding 5 in the direction the surface normal of its large surfaces 3.
  • Molded part 6 shown on the left likewise has mineral fibers 2, which are partially arranged in loops at least in the central area, while in other areas parallel aligned mineral fibers 2 or substructures are provided, which in turn lead to a corresponding compressive strength of the molded part 6 in comparison to the molded body 5 ,
  • FIG. 3 shows two juxtaposed insulating elements 1, wherein the right arranged insulating element 1 is formed with a shaped body 5 and a molded part 6, as it is also in FIG. 1 is shown.
  • a separating surface 12 is formed, which extends in a circular arc from the upper large surface 3 in a portion 13 which is aligned at right angles to the lower large surface 3 of the molding 5.
  • the insulation elements 1 described above can be connected in an advantageous manner with profiled sheet metal elements, not shown, which form together with the intended insulation layer as the core element 1 a sandwich element, which can be used in a special way as a wall or ceiling element of a building.
  • the profiled or corrugated sheet-metal elements provided as cover layers can be bonded both to the shaped body 5 and to the shaped part 6.
  • Also conceivable is a bonding exclusively of the molded parts 6 with the cover layers, wherein the molded body 5 can be arranged in a clamping manner due to its compressibility at right angles to the surface normals of its large surfaces 3 between the previously fixed moldings 6.

Claims (29)

  1. Elément en matériau isolant avec un corps moulé (5) en fibres minérales (2), de préférence en laine minérale, sous la forme d'un panneau ou d'une bande, avec deux
    grandes surfaces (3), qui sont disposées avec un écart et en s'étendant à la parallèle et qui sont reliées l'une à l'autre par l'intermédiaire de faces latérales (4), les faces latérales (4) étant orientées à angle droit l'une par rapport à l'autre et les fibres minérales (2) présentant un trajet sensiblement à angle droit par rapport aux grandes surfaces (3) et donc sensiblement à la parallèle des faces latérales (4), de sorte que la résistance à la pression du corps moulé (5) en direction des lignes de conduite des grandes surfaces (3) soit supérieure à la résistance à la pression du corps moulé (5) en direction des lignes de conduite des faces latérales (4), sur au moins une face latérale (4), notamment sur deux faces latérales (4) placées à l'opposée étant disposée au moins une pièce moulée (6), caractérisée en ce que,
    la ou les pièce(s) moulée(s) (6) présente(nt) une résistance à la pression en direction des lignes de conduite des grandes surfaces (3) qui est plus faible que la résistance à la pression de la pièce moulée (6) ou des pièces moulées (6) en direction des lignes de conduite des faces latérales (4), sur lesquelles est ou sont disposée(s) la ou les pièce(s) moulée(s)(6).
  2. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) consiste(nt) dans des fibres minérales (2).
  3. Elément en matériau isolant selon la revendication 2, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) présente (nt) une orientation des fibres minérales (2) à angle droite des fibres minérales (2) du corps moulé (5).
  4. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée (s) (6) est ou sont reliée (s) au corps moulé (5) et/ou avec une couche de recouvrement disposée sur au moins une grande surface (3) du corps moulé (5), par exemple avec une coque en tôle, notamment profilée.
  5. Elément en matériau isolant selon la revendication 4, caractérisé en ce que, entre le ou les pièce(s) moulée(s) (6) et le corps moulé (5) et/ou entre le corps moulé (5) et la coque en tôle et/ou entre les pièces moulées et la coque en tôle est réalisée une couche d'adhésif (11).
  6. Elément en matériau isolant selon la revendication 5, caractérisé en ce que, la couche d'adhésif (11) est réalisée à pleine surface ou sur une surface partielle.
  7. Elément en matériau isolant selon la revendication 5, caractérisé en ce que, la couche d'adhésif (11) consiste dans une colle fusible ou dans une colle de contact.
  8. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièces moulées/ (6) est ou sont reliée(s) par complémentarité de forme, par exemple par emboîtement avec le corps moulé (5).
  9. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, les deux pièces moulées (6) d'un corps moulé (5) présentent des surfaces extérieures réalisées en correspondance, permettant une liaison par complémentarité de forme d'éléments en matériau isolant voisins.
  10. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) présente (nt) une masse volumique apparente différant de la masse volume apparente des corps moulés (5), notamment réduite.
  11. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée (s) (6) présente(nt) jusqu'à 25 % en poids de composants granuleux stockés, qui à températures élevées, notamment en cas d'incendie se déshydratent et rejettent le dioxyde de carbone.
  12. Elément en matériau isolant selon la revendication 2, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) présente(nt) des agents liants anorganiques en fibres minérales (2) comme par exemple des silanes, ormosiles, silicates alcalins, gel de silice organiquement modifiés ou similaires.
  13. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) présente(nt) au moins dans la zone de leur(s) surface(s) extérieure(s) libre(s) un revêtement stabilisant, qui est réalisé au moins sur une surface partielle et notamment de manière ouverte à la diffusion, par exemple avec des masses intumescentes.
  14. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, le revêtement consiste dans du silicate alcalin, notamment du silicate alcalin de potassium et/ou du silicate alcalin de sodium.
  15. Elément en matériau isolant selon la revendication 14, caractérisé en ce que, le silicate alcalin est mélangé à une dispersion polymère et/ou à des matières de charge, comme par exemple de la dolomite, du kaolin ou similaire.
  16. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, le revêtement est conçu en multicouches, au moins l'une des couche consistant dans du silicate alcalin et au moins une couche consistant dans une dispersion polymère.
  17. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, le revêtement présente un agent liant anorganique, notamment des silanes organiquement modifiés.
  18. Elément en matériau isolant selon la revendication 9, caractérisé en ce que, les surfaces extérieures des pièces moulées (6) présentent un profilage, notamment sous la forme d'un ressort (9) ou d'une rainure (8).
  19. Elément en matériau isolant selon les revendications 13 et 18, caractérisé en ce que, le profilage présente des faces, qui sont orientées sensiblement à la parallèle des grandes surfaces (3) et comporte des faces qui sont orientées sensiblement à la parallèle des faces latérales (4), les faces orientées sensiblement à la parallèle des grandes surfaces (3) présentant le revêtement et les faces orientées sensiblement à la parallèle des faces latérales (4) étant exemptes du revêtement.
  20. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, le revêtement est réalisé en version filmogène et notamment en version pare-vapeur.
  21. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, le revêtement présente un doublage, notamment un film métallique.
  22. Elément en matériau isolant selon la revendication 18, caractérisé en ce que, le profilage présente des zones chanfreinées.
  23. Elément en matériau isolant selon les revendications 13 et 18, caractérisé en ce que, le revêtement est incorporé en partie en tant qu'imprégnation dans une zone proche de la surface du profilage.
  24. Elément en matériau isolant selon la revendication 13, caractérisé en ce que, dans la zone des faces orientées sensiblement à la parallèle des faces latérales (4), le profilage présente un revêtement qui diffère du revêtement sur les faces du profilage orientées sensiblement à la parallèle des grandes surfaces (3).
  25. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, entre le corps moulé (5) et au moins une pièce moulée (6), il est réalisé une surface de séparation (12) qui s'étend sensiblement de manière antiparallèle aux lignes de conduite des grandes surfaces (3) des corps moulés (5).
  26. Elément en matériau isolant selon la revendication 5, caractérisé en ce que, la surface de séparation est réalisée sous forme partiellement recourbée.
  27. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce(s) moulée(s) (6) consiste(nt) dans des fibres minérales (2) et dans des matériaux thermostables, de préférence à températures élevées, rejetant les gaz notamment en cas d'incendie.
  28. Elément en matériau isolant selon la revendication 1, caractérisé en ce que, la ou les pièce (s) moulée (s) (6) présente(nt) une masse volumique apparente comprise entre 150 et 1.000 kg/m3, de préférence comprise entre 180 et 400 kg/m3.
  29. Utilisation d'un élément en matériau isolants selon l'une quelconque des revendications 1 à 28 en tant que couche centrale, notamment en tant que coeur d'un élément sandwich qui présente à l'extérieur deux couches de recouvrement, de préférence sous la forme de tôles métalliques profilées ou ondulées et qui est utilisable notamment en tant qu'élément de paroi ou de plafond dans un bâtiment.
EP05797418A 2004-10-07 2005-10-05 Element en materiau isolant Not-in-force EP1799927B1 (fr)

Priority Applications (1)

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SI200531227T SI1799927T1 (sl) 2004-10-07 2005-10-05 Izolacijski element

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004048801 2004-10-07
DE102005043092A DE102005043092A1 (de) 2004-10-07 2005-09-10 Dämmstoffelement
PCT/EP2005/010696 WO2006040046A1 (fr) 2004-10-07 2005-10-05 Element en materiau isolant

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EP1799927A1 EP1799927A1 (fr) 2007-06-27
EP1799927B1 true EP1799927B1 (fr) 2010-11-24

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AT (1) ATE489512T1 (fr)
DE (2) DE102005043092A1 (fr)
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WO (1) WO2006040046A1 (fr)

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DE102008030944A1 (de) * 2008-07-02 2010-01-07 Knauf Insulation Gmbh Tragendes Bau-Konstruktionselement
CN104781200A (zh) 2012-11-12 2015-07-15 环境改善与物流有限公司 用于生产岩棉的团块和生产所述团块的方法
IS2965B (is) * 2015-05-28 2017-03-15 Eysturoy Grímsson Regin Ný byggingareining úr steinull og trefjastyrktu plasti
RU207762U1 (ru) * 2021-07-22 2021-11-15 Общество с ограниченной ответственностью "Софт Пайп" Комбинированная стеновая панель

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DE4133416C3 (de) * 1991-10-09 1998-06-10 Rockwool Mineralwolle Verfahren zum Herstellen von Formkörpern, insbesondere von Dämmplatten
DK42794A (da) * 1994-04-13 1995-10-14 Rockwool Int Pladeformet isoleringselement
DE10257977A1 (de) * 2002-12-12 2004-07-01 Rheinhold & Mahla Ag Raumbegrenzungs-Paneel

Also Published As

Publication number Publication date
ATE489512T1 (de) 2010-12-15
EP1799927A1 (fr) 2007-06-27
DE502005010591D1 (de) 2011-01-05
SI1799927T1 (sl) 2011-03-31
WO2006040046A1 (fr) 2006-04-20
DE102005043092A1 (de) 2006-04-20

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