EP1893825B1 - Procede et dispositif pour realiser des elements en materiau isolant en fibres minerales - Google Patents

Procede et dispositif pour realiser des elements en materiau isolant en fibres minerales Download PDF

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Publication number
EP1893825B1
EP1893825B1 EP06754479.1A EP06754479A EP1893825B1 EP 1893825 B1 EP1893825 B1 EP 1893825B1 EP 06754479 A EP06754479 A EP 06754479A EP 1893825 B1 EP1893825 B1 EP 1893825B1
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EP
European Patent Office
Prior art keywords
insulating
insulation
side face
insulating board
elastification
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EP06754479.1A
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German (de)
English (en)
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EP1893825A2 (fr
Inventor
Gerd-Rüdiger Klose
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Rockwool AS
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Rockwool International AS
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Priority to PL06754479T priority Critical patent/PL1893825T3/pl
Publication of EP1893825A2 publication Critical patent/EP1893825A2/fr
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    • 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
    • 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
    • E04B1/7654—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E04B1/7658—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres
    • E04B1/7662—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings comprising fiber insulation, e.g. as panels or loose filled fibres comprising fiber blankets or batts
    • 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
    • E04B2001/7695—Panels with adjustable width

Definitions

  • the invention relates to a method for the production of insulation elements, in particular insulation boards made of mineral fibers with at least one elasticized side edge and / or at least one elasticized side edge region. Furthermore, the invention relates to a device for producing insulating elements, in particular insulating panels made of mineral fibers with at least one elasticized side edge and / or at least one elasticized side edge region.
  • Mineral wool or mineral fiber insulating materials are commercially classified into glass and stone fiber insulation materials. Occasionally, slag fiber insulation materials and insulating materials from so-called hybrid fibers are named. For example, these terms more or less clearly characterize different chemical compositions, methods of preparation, and elevated temperature performance. For the sake of simplicity, those insulating materials are referred to as fiberglass insulating materials which have a melting point ⁇ 1000 ° C according to DIN 4102 Part 17, and as stone fiber insulation materials with an overlying melting point.
  • Mineral fiber insulating materials consist of glassy solidified fibers, which are only partially and then preferably point by point with the help of solid, ie stiffening binders connected to each other. Glass fiber insulation materials and the stone fiber products (hybrid fibers) produced with similar fiberization processes contain no or very few non-fibrous constituents.
  • Non-fibrous constituents are defined as spherically shaped particles as well as columnar, coarsely fibrous, platelet-shaped bodies or the like, which are occasionally also welded or glued together.
  • the fibers of the insulating materials are usually bonded by means of organic binders, in particular thermosetting resins.
  • organic binders in particular thermosetting resins.
  • Mixtures of phenolic, formaldehyde and urea resins have proven to be particularly suitable and also cost-effective substances, which are occasionally further stretched with polysaccharides.
  • the contents of organic binders in the insulating materials are limited in order to achieve an elastic-resilient behavior of the pulp and a classification as non-combustible materials, but also to limit the costs associated with the organic binders manufacturing costs.
  • organically modified silanes which can be used in principle are scarcely used.
  • fiberglass insulation materials or the mentioned hybrid fiber insulation materials contain between about 4% by mass to 8% by mass, for example, with the aid of cascade fiberizing machines produced stone fiber insulation materials to about 4.5% by mass of these resins.
  • the respective binder contents overlap. These amounts of binder are far from sufficient to link all fibers whose average diameter is about 3 microns to 8 microns together. This is especially true for the continuing tendency to reduce the average fiber diameter to about 2 microns to 4 microns. Many fibers are therefore trapped only in the clusters formed by interconnected fibers, or are present in interstices.
  • agglomerations of finely shredded insulation waste are added, which are separated from the insulation webs formed during the production process of the insulating materials or accumulate as defective batches and are returned to them become. Due to the surface tensions of the binder droplets in conjunction with the effect of the additives, the binders retract into the gussets between the points of contact of fibers or locally exist as a thin film on the surfaces of individual fibers. Most of the non-fibrous particles are binder-free.
  • mineral fiber insulating materials generally contain additives in addition to the binders.
  • additives serve to render the pulp durably water-repellent.
  • high-boiling aliphatic mineral oils in the original form or as oil-in-water emulsions are introduced into the pulp. Because of their potential impact on the environment, the even more effective silicone oils or silicone resins are used much less frequently.
  • the contents of, for example, mineral oils are only about 0.2% by mass to 0.4% by mass and only a few nanometer thick layers are likely to form with complete and uniform wetting of the fiber surfaces, their water-repellent effectiveness in the insulating materials is proven.
  • the impregnated with unbonded binders and additives fibers are transported in a stream of air and ultimately directed downwards in the direction of a slowly running air-permeable conveyor and directly on this stored.
  • the fibers are largely directionless, flat and loosely layered on top of each other.
  • the collected fiber web is then usually compressed only in the vertical direction to the desired thickness.
  • the specific fiber mass flow and the height of the endless fibrous web determine the bulk density of the insulation web produced therefrom after hardening in a hardening furnace.
  • the hardening furnaces have, in principle, two conveying devices arranged one above the other, which usually consist of pressure-resistant lamellar lamellas which are connected to one another in each case in an endless belt.
  • the longitudinal edges of these slats are either smooth or tooth-shaped, with the teeth of two adjacent slats mesh.
  • the remaining between the slats joints are thus either smooth or zigzag.
  • the pressure transmitting approximately 15 cm to 20 cm wide surfaces of the slats have round or oblong holes whose diameter and width is often about 5 mm to 7 mm.
  • the elongated holes may for example be about 35 mm long and offset from one row to another or extend in parallel rows over almost the entire width of the lamella.
  • the endless fibrous web can be compressed to the desired thickness by means of the curing oven belts. Frequently, however, the fiber web is already structured before the curing oven and thereby compressed to the desired thickness.
  • the pressure applied to the fibrous webs in the curing oven forces the individual fibers into the joints between the laminations and into the perforations in their surfaces. Due to the quasi-expansion into the joints and holes, the density of the fiber web decreases in these areas. In the intervening areas, it rises in the near-surface zones.
  • the expression of these surveys is primarily dependent on the bulk density and the content of binders, furthermore on the fiber lengths, their orientations relative to openings of the curing oven bands and between the slats existing joints.
  • the protuberances are sharp and weaker at low densities, but are nearly uniformly about 2.5 mm to 3 mm high.
  • the low heights of the elevations already indicate the limited flexibility and the high contour stability of the insulating material web or its surfaces. By solidification of the binder, this is further reduced, so that the surfaces of insulating material formed below from the insulation sheet can only be adjusted at high, this usually then already deforming pressures on uneven surfaces.
  • the endless impregnated fiber web is converted into an endless insulation web.
  • the colorless mixtures of phenolic, formaldehyde and urea resins which are colorless in the uncured state, are colored yellowish-brownish by the thermal treatment and thus give the insulating materials a function of the inherent color of the glasses, the sizes of the fibers and non-fibrous constituents, the absolute binder contents and their Distribution a characteristic intrinsic color.
  • the endless insulating material web is trimmed in the region of its longitudinally extending side surfaces, so that at least parallel aligned and largely flat side surfaces arise.
  • circular saws or alternatively high-pressure pumps are used, which produce a sharp water jet.
  • the resulting amounts of waste in the amount of about 3% by mass to 5% by mass are recycled after their shredding in the Sammelkammem.
  • the usual net widths of the insulating material webs for stone fiber lines are often 2 m, more rarely 2.4 m, and for fiberglass lines regularly 2.5 m.
  • the construction of production lines with larger widths is currently not economical because of the already difficult fiber distributions in a direct collection, but also because of the much more expensive constructions, such as the curing oven tapes, at the time.
  • the fiber structures consisting of long textile glass fibers or thermally stable synthetic fibers are either stiff enough or deformable in the case of fabrics so that they are not pressed into the joints between the slats or into the perforation of the slats of the conveyor belts in the curing oven.
  • the large surfaces are now smooth and require no further processing.
  • the combustible substances additionally introduced, for example, with glass fiber fleeces or fabrics themselves and with their bonding do not or only insignificantly change the building material classes of the insulating materials laminated therewith.
  • the endless stone fiber insulation webs are mainly divided once in the longitudinal direction in two, the endless glass fiber webs in mostly four strips. Naturally, the insulation webs can be divided into a plurality of equal or different widths stripes.
  • the two outer large surfaces are bonded to, for example, glass fiber random webs or other air-permeable layers, it is customary to perform only a central horizontal section.
  • the separation of lightweight and compressible glass fiber insulation boards can be done for example with the aid of toothed flywheel knives.
  • insulating materials are often produced with a very wide density range of, for example, about 23 kg / m 3 to 160 kg / m 3 , so that the separation devices must be tailored to the denser and thus firmer insulation materials.
  • the separation of the individual sections across the entire width of the production line is predominantly carried out with the help of so-called running cross-saws. Powerful saws even have two circular saw blades arranged one behind the other in the working direction, which are set alternately for each section from one side of the insulating material webs.
  • the saw is moved synchronously with the conveying speed of the insulating material webs. This forward movement is to avoid any pressure on the saw blades.
  • differences in the respective forward motions may result in deviations from the perpendicularity with respect to the lengths or the widths despite careful coordination of the control elements and the drive devices. If pressure is still exerted on the saw blades, an oblique cut also takes place in the direction of the thickness. Naturally, a deviation in the perpendicularity between the separating device and the supporting plane of the insulating material web also leads to a diagonal cut in this direction.
  • the degree of accuracy achievable in highly developed industrial countries, with which the distances of the hardening furnace belts can be reproducibly adjusted and with which the insulating material webs can be separated horizontally and vertically, is reflected in the requirements which are defined in the European harmonized standards.
  • DIN EN 13162 specifies permissible deviations from the nominal thicknesses in different classes.
  • stone fiber façade insulation panels are classified in class T3 according to DIN 13162, which allows for dimensional tolerances of - 3% (- 3 mm) and + 10 mm (+ 10%).
  • thermo-technical properties of the insulating materials finds its expression in an extreme fine grading of the thermal conductivity ⁇ of 0.01 W / m K, which often already seems to lie below the accuracy of the measuring devices used for this or the laboratory method to be used.
  • the example mentioned permissible tolerances of the thickness class T3 already lead to the fact that the ⁇ -class of the insulating material can actually change by up to four levels.
  • the minimum gap width should be 20 mm behind ventilated façade cladding, although it may be locally reduced by substructure elements to 5 mm. Deviations from the nominal thickness of the facade insulation panels play in relation to the functioning of the ventilation gap, that is its significant separation from the insulating layer, not essential role.
  • the mineral fiber insulation boards in the dressing that is, while avoiding cross joints, mounted on the surfaces to be insulated.
  • the insulation panels of the following series are each offset by half the length of the adjacent row to minimize the number of insulation holder.
  • the individual insulation panels or plate sections are each placed on the bottom row and then mechanically attached or glued.
  • the widths of the insulation boards practically not deviate from each other and no deviations from the perpendicularity of all surfaces of the three spatial axes occur.
  • the joint widths are further determined by the deviations from the perpendicularity in the length and width direction, which must not exceed 5 mm / m measured according to DIN EN 824.
  • the allowable deviation from the perpendicularity in the thickness direction is not specified at all. For larger insulation thicknesses, however, deviations from the perpendicularity in the direction of the thickness and, in the case of normally equidirectional arrangement of the insulation panels, also lead to large expansion of the joints.
  • the edges of the insulating panels deform and adapt to the support boards of the pallets. This secures the stack at least against slipping in the transverse direction to the pallets, but also leads to deviations from the dimensions.
  • the insulation panels are further deformed or already damaged - and yet installed. In many cases, the packaging units serve as documents or even as seating.
  • the insulation boards must also be regularly adjusted at the places of use of there adjacent components or elements of the support structures for the facade cladding.
  • the cutting of the appropriate cuts is carried out either on the floor of the scaffolding layers or by placing the insulation board on a packaging unit or an insulation board stack. It is also clear to the non-specialist that in this way neither smooth dividing surfaces nor perpendicularly arranged surfaces can be created.
  • the free cutting or sawing of thick insulation boards regularly leads to the absolutely avoidable bevels in the direction of the thicknesses.
  • the insulation boards In order to close the virtually unavoidable joints according to the current technical and economic possibilities, the insulation boards must be deformed as far as possible under the appropriate pressure, so that at least narrow continuous and / or weakly wedge-shaped joints can be closed.
  • the deformability of those side surfaces which are oriented transversely thereto is greater; These are mostly the side surfaces along the width of the stone fiber insulation boards.
  • the Dämmfilze be attached to the bottom of example rafters.
  • These insulation felts are usually produced in widths of 500 mm, 600 mm, 700 mm, 800 mm and 1000 mm, but the thicknesses offered are reduced as far as possible. However, at least two to four different thicknesses have to be offered. In a well-stocked warehouse, therefore, at least 20 to 40 Dämmfilz variations should be provided.
  • the offered widths of Dämmfilze thus represent only compromises, in which both the trade as well as the manufacturer with the desire for as few variants and small factory-internal waste quantities come into play.
  • the insulating felts must be narrowed at the construction site in order to be able to install them smoothly between the rafters with a usual width of 1 cm to 2 cm.
  • Randancenfilze are offered in which the Dämmfilz is not glued on a long side with the carrier layer. In this way it is prevented that adhering to the carrier layer insulation residues significantly reduced the tightness of the room-side support layer.
  • the Dämmfilze are usually not properly narrowed, but sometimes stuffed into the intermediate space formed by the rafters and the needled and therefore limited water vapor permeable underlays or formwork boards with considerable excess widths.
  • the regular defect-promoting insulation felts should therefore be substituted by plate-shaped elements made of mineral fibers.
  • the fiber structure is at least partially dissolved.
  • the release of the fiber structure can be such that a more or less large part of the fibers, possibly also bent depending on the direction of their storage in the fiber structure, is crimped or even torn out, in which generally by the binder to the Contact points of the fibers with each other caused compounds are not solved.
  • the elastification of areas of the insulating panels is also referred to as shifting the material condition outside the usual Hystersesiskurven of the relevant insulation material. It is generally done by treating individual plates in the appropriate devices.
  • the insulation boards are conveyed by two pressure-transmitting bands or corresponding rollers and thereby squeezed between adjustable or transversely to the conveying direction reciprocating pressure rollers. About the frequency of these partially relieving the lateral surfaces transverse movements are given no information.
  • the pressure rollers are always arranged in pairs on the two opposite sides of the insulation boards. Furthermore, it is provided that a plurality of pressure rollers set one behind the other, act on the side surface (s) to be softened.
  • the pressure rollers may consist of simple cylindrical or frustoconical bodies, concave or semi-elliptical longitudinal cross-section and have oval or polygonal cross-sections.
  • the surfaces of the pressure rollers can be made highly structured or profiled. The depth effect of the pressure rollers is given as about 7.5 cm.
  • the deviation from the evenness of an insulating material is defined in the DIN EN 825 standard as the largest distance between the specimen lying upwards on a flat surface with the convex surface and this flat surface. For mineral fiber insulation materials, maximum deviations of 6 mm are permitted.
  • Insulation boards are tightly jointed, in the dressing and so to lay that no cavities between the substrate and the insulating layer arise. They are mechanically fastened by means of five insulation holders per m 2 and are to be connected tightly to adjacent components. Insulation boards which are glued to the substrates must comply with the application type WV according to DIN 18165-1, ie have a transverse tensile strength of ⁇ 1 kPa.
  • insulation holders are usually provided for an insulation plate with the usual dimensions. These insulation holders are distributed so that one in the middle of the insulation board, on all four corners one and on the middle of each longitudinal side of an insulation holder is arranged.
  • Insulation holder consist of a solid shaft, the tip of which is formed as a dowel and at the other end is a mostly round, in itself articulated and often provided with a resilient ring plate is.
  • the insulation holder is made of impact-resistant plastics such as polyamides and can be driven through the insulation material into the previously drilled hole, on the walls of which the correspondingly shaped dowel is jammed.
  • the shanks may have limitations. With insulation thicknesses of more than about 140 mm, a more rigid insulation holder is used, through the hollow shaft of which a frequently plastic-coated steel nail is driven into the borehole, which spreads the anchor and at the same time serves as a rigid anchor. Usual plate diameters are 60 mm or 90 mm.
  • facade insulation panels made of glass fibers are usually offered in the gross density range between about 12 kg / m 3 and 25 kg / m 3 .
  • the plates have a pronounced layered storage of the fibers, so that they have a relatively low thermal conductivity perpendicular to the large surfaces, but also only a very low transverse tensile strength.
  • the insulating panels can be compressed even at low pressures, so that the plates actually have to be drawn into the insulating layer surface in order to achieve a frictional bond at all.
  • 17 g / m 2 to 50 g / m 2 are able to distribute the tensile stresses caused by the insulation holder on a larger area and thus prevent the bending of the layers around the plate edges on the outer surfaces glued glass fiber random web. This does not change the deformation of the surface, nor does it increase the bending stiffness in the directions of the two main axes.
  • the insulation board In the catchment area of the insulation holder or its pressing on the outer surface plate, the insulation board is pulled through the shaft of the insulation holder close to the ground, by the flaking of the adjacent areas but the edge areas lift off from the ground again.
  • Stone fiber insulation boards with the thermal conductivity group 040 according to DIN 4108 are in the gross density range of about 23 kg / m 3 for large thicknesses, Preferably, however, about 27 kg / m 3 to 35 kg / m 3 , in the thermal conductivity group 035 with densities of about 40 kg / m 3 , preferably about 45 kg / m 3 to 55 kg / m 3 , for special cases with about 70 kg / m 3 produced.
  • the effectively acting fiber mass including binder is in the preferred range only about 19 kg / m 3 to 39 kg / m 3 .
  • the insulation panels are offered with covers of the outer large surfaces by fiberglass nonwovens.
  • facade insulation panels which have over the insulating body a higher density outer zone.
  • These plates have density combinations of, for example, 70/35 kg / m 3 for plates of the thermal conductivity group 040 and 90/55 kg / m 3 for the thermal conductivity group 035, wherein the thickness of the compacted outer zone is oversized by about 2 cm.
  • the surfaces of the fiberglass insulation panels are less resistant to the atmosphere than the stone fiber insulation boards, so that their surfaces weather faster and thereby detach or at least protrude from the surface of fiber flakes and fibers are naturally discharged to the environment when the Insulating layer is exposed to weathering for several weeks or months before attaching the garment.
  • a long-term effect on the insulating surfaces for example, to determine behind relatively wide joints of natural stone clothing. For this reason, as standard, a cover of the outer large surfaces with natural-colored, black or behind printed glass cladding arbitrarily colored glass fiber random webs was introduced.
  • the stone fiber insulation boards at the corners are secured in the substrate, here referred to as 8 x 8 plastic panels.
  • the contact adhesive is applied with a serrated trowel both to the substrate and to the back of the SILLAN insulation boards.
  • a one-sided fleece lamination of the ISOVER fiberglass façade insulation panels SPF / V is advocated.
  • the advantages of glass fleece lamination are described in the 1985 publication "G + H ISOVER Facade Insulation Boards SPF / V, the optimal facade insulation panels with fleece lamination” as follows:
  • the glass fleece increases the bending strength of the panels without reducing their elasticity, thereby adapting to unevenness of the shell wall is relieved.
  • the Fassadendämmstoffplatten have a continuous flat surface, thermal bridges at the joints as well as pointwise reduction in the thickness of the insulation at the fortifications can be avoided.
  • the attachment to crosspoints and joints makes fewer problems.
  • the fleece increases the weather resistance during the assembly time and until the final clothing.
  • the insulation panels are water repellent throughout, sound-absorbing.
  • an open fiberglass mattress with a basis weight according to the DE 35 19 752 C2 ⁇ 110 g / m 2 , ie less than 0.7 mm thick open fiberglass batting increases the flexural strength of the insulation board is, according to the generally accepted strength theory out of the ordinary.
  • the fiberglass random web which is stronger in relation to the inhomogeneous insulating material surfaces can distribute the tensile forces triggered by the insulating material holder, which has been frictionally retracted into the insulating board, over a larger area, so that the unevennesses are slightly softened.
  • the visual impression is also improved by the use of black colored glass fiber random webs.
  • the unintentional, albeit unavoidable pulling the insulation holder plate in the surfaces of glass fiber insulation boards is prevented in stone fiber insulation boards by an approximately 2 cm thick, compared to the insulating body higher density outer layer.
  • the gross densities of these layers are increased in insulation boards of thermal conductivity group 035 according to DIN 4108 to about 85 kg / m 3 to 95 kg / m 3 , with insulating panels of thermal conductivity group 040 to about 65 kg / m 3 to 75 kg / m 3 , while the rest of the insulation volume is compacted to a much lower extent with only about 50 kg / m 3 to 57 kg / m 3 in the first case and about 27 kg / m 3 to 40 kg / m 3 in the other group.
  • the pressure-compensating outer layer absorbs here the high biasing force of the insulation holder due to their higher bending tensile strength.
  • the insulating material is intended to rest flat against the substrate as well as to compensate for small unevenness such as, for example, mortar residues.
  • the type of attachment of the insulating panels on the outer walls of heated and possibly cooled in the summer buildings has a significant impact on the effectiveness of the insulating layer, so on the length of the heating season and the resulting transmission heat losses and energy requirements. In summer, this affects the heating of the building via the non-transparent wall surfaces and the energy required for artificial cooling.
  • the high effectiveness of the insulating materials leads to the application of highly loadable, but also highly thermally conductive building materials for the outer walls.
  • the thermally most effective attachment of the insulation boards is the full-surface bonding with the outer walls.
  • the partial gluing is then barely noticeable if the adhesive mass is applied in the form of a closed edge bead on the back of the insulation board or a portion of the insulation board.
  • no and in the second case self-contained cavities between uneven wall surfaces and the often smooth insulation surfaces.
  • insulating material holders If insulating material holders are used, they must press firmly against the wall surface, in particular in the upper edge region of the insulating material plate.
  • a gap is provided between the back of the cladding and the insulating layer, allowing air to flow which reduces the formation of condensation on the cladding or removes any precipitated condensate. At the same time this reduces the temperature gradient in the materials of the facade clothing and thus internal stresses.
  • the hygrothermal buoyancy is dependent on the static pressure, which itself is directly proportional to the height and difference in the density of the air in the gap and the outside air. The buoyancy movement is in tall buildings and behind closed facade cladding the strongest. It is superimposed by the wind pressure acting on the relevant building surface. With positive wind pressure on the upper regions of the air-permeable facade clothing, the upward flow of air in the air gap can be stopped or even reversed.
  • the outermost zones of the insulating layer flowed in this way are also influenced by this. Once, of course, reduces the heat transfer resistance, then in air-permeable insulation materials, the energy transfer can be increased by the forced convection. Open joints between the insulating panels or in the area of penetrations of the insulating layer additionally lead to large energy losses. These increase, in particular, when air gaps which are connected between an uneven surface of the outer wall and the insulating layer which is not firmly pressed against the latter are formed.
  • the energy transfer by an applied on vertical outer walls insulation layer is naturally not only transverse to the large surfaces, but also in the vertical direction and here often by an increased upward free convection.
  • Their drive is usually steep, from the inside outward temperature gradient in the mineral fiber insulation materials.
  • this effect is greater than in insulating bodies with fibers or fiber composites folded in one another.
  • the flow resistance across the main folding direction is significantly higher than parallel to it.
  • the main folding axes extend in the vertical direction, so that the vertical convection inhibiting effect is significantly reduced.
  • the solution provides in a method according to the invention before according to claim 1, that the elastification takes place by local compression and local separation of at least one side surface and / or at least one side surface portion of the insulating element, in particular the insulation board.
  • a device according to the invention according to claim 13 as a solution elastification elements are provided, with which the elastification can be performed by local compression and by local separations of at least one side edge and / or a side edge region.
  • the aim of the surface relief is to be able to compensate for differences, especially in the widths of the insulation boards and deviations from the squareness between the individual plates.
  • the insulation boards can be butted against each other so that a self-contained insulating layer can be produced.
  • the elastification of the side surfaces further allows to increase the density in a narrow zone.
  • the flow resistance increases in these zones.
  • vertically directed convection currents in the insulation boards are thereby slowed down, which reduces heat losses and thus increases the efficiency of the insulating layer.
  • the insulating element according to the present invention is a mineral fiber insulation board or a mineral fiber insulating material web, preferably with two large, preferably parallel surfaces and four side surfaces substantially perpendicular to each other and to the large surfaces.
  • On at least one side surface may be arranged at least partially covering the side surface and formed substantially impermeable layer, wherein the air-impermeable trained layer serves as an air barrier to decelerate the thermal buoyancy in the insulating layer or stop completely.
  • the insulating element is arranged in its intended condition such that the air-impermeable layer extends substantially horizontally.
  • the air-impermeable layer is preferably formed as a foil or vapor-deposited metal layer.
  • the film is preferably formed of a low thermal conductivity material such as plastic or the like, since the air-impermeable layer itself should not form additional thermal bridges.
  • the film should be readily moldable and not wrinkled so as not to obstruct or prevent the closing of joints between adjacently located insulating elements.
  • smooth plastic films with thicknesses ⁇ 100 microns, preferably in the range of 20 microns to 40 microns are suitable.
  • plastic-metal composite films can be used, wherein the metal layer is preferably evaporated on the plastic film. Examples include polyester films with vapor-deposited metal layers or metal foils, for example of aluminum or aluminum-polyethylene composite films called.
  • the metal layer preferably has a thickness in the range of 8 ⁇ m to 15 ⁇ m.
  • the film is preferably attached by adhesive to the side surface of the insulating element, including films can be provided with self-adhesive layers, which in turn can be covered with removable protective films.
  • the film can be placed on the corresponding side surface with a width less than the width of the side surface on which it is applied. Since the thermal buoyancy, especially in the wall-side areas, has the effect of additional transmission heat loss and thus heat energy loss, the air-impermeable layer can end, for example, 10 mm to 20 mm in front of an edge between the large surface and the side surface.
  • a side surface of the insulating element in particular the side of the insulating element disposed opposite the air-impermeable layer, is elasticized, wherein the elastification is achieved, for example, by swaging, impressing or hammering in shaped articles or can be generated in other ways.
  • the elastification of the side surface is used to compensate for production-related but also generated during the handling of the insulating element deviations of insulating elements when this side surface are arranged on the side surface.
  • At least one large surface and / or at least one side surface of the insulating element is provided with a marking, for example to mark the elasticized side surface or the side surface with the applied permeable layer.
  • the marking may include a separation of parts of the insulating element facilitating auxiliary lines, such as auxiliary lines that extend parallel to the marked side surfaces of the insulating element. If the insulating element, for example, to be reduced by a certain amount, the auxiliary lines serve as an orientation for a straight-line separation.
  • At least one side face of the insulating element is preferably elasticized by fulling.
  • at least one side surface of the insulating element in particular a side surface arranged opposite the air-impermeable layer, can be elasticized by local compressions and by local separations of the side surface. This can be done, for example, by the side surface is compressed and separated by means of this penetrating moldings.
  • moldings are used, which preferably cut into the sides to be elastified and / or impress.
  • the moldings can penetrate at different depths in the side surfaces, whereby areas of the side surface are different degrees of elasticity.
  • the moldings are preferably hammered into the side surface, wherein the moldings can act at different angles on the side surface.
  • side surfaces of a plurality of insulating material elements can be elastified at the same time by the insulating material elements being stacked on each other during the elastification, for example.
  • the insulating element is during the elastification of Side surfaces preferably at least partially compressed. Furthermore, several side surfaces of an insulating element can be simultaneously elasticized. The elastification can be done after curing of the insulating element. It is also possible that the elastification is performed during a pre-compression of the insulating element, wherein in the pre-compression already a favorable compression of the side surfaces is achieved. If the elastification by means of profiled pressure rollers whose profiles have no sharp-edged strips or corresponding sections or on their coats no pointed moldings are placed, the elastification can be done even after a sheathing of one or more insulating elements with a packaging material. For this purpose, the packaging unit is compressed vertically and treated the side surfaces accordingly.
  • the possibilities of action are less than with the uncoated insulation stacks, in particular when shrink films form beads on the partially open end faces.
  • the shrink film should therefore be made smooth and easily stretchable by, for example, gentle blowing with warm air before the pressure rollers act on the film and the side surfaces of the insulating element. Through this treatment, the shrink films can be heated so that you keep the insulating element stack after cooling in its compressed state.
  • a marking is provided which indicates, for example, the side surface with the air-impermeable layer or the elasticized side surface, wherein the marking may comprise a separation of a part of the insulating element facilitating auxiliary lines.
  • the marking can be produced by locally heating the binders of the insulating element and / or the lamination and / or the organic color components. The heating is preferably carried out with the aid of a laser. Alternatively, the mark can also be provided by applying paint.
  • the facade insulation panels are separated from the edged on both outer surfaces endless insulation web.
  • the two large surfaces of the insulation boards are initially characterized by characteristic elevations on the two large surfaces.
  • the facade insulation boards may each have a Kaschieruing with planar structures, coatings on one of the large outer surfaces.
  • the fibers in a of the large surfaces as well as in an underlying, closely delimited layer be densified higher than the core of the insulating board. This higher-density layer may also be provided with a lamination or a coating.
  • the facade insulation boards are often by a horizontal separation of the endless insulation web, d. H. produced in two layers so that the outer surfaces, which are characterized by surface elevations, laminations, coatings or higher densities, in each case co-operate with the upper and the lower large surface of the endless insulating material web.
  • These insulation boards are stacked while maintaining their assignment to each other in pairs, so that the two large outer surfaces of the insulation board stack are usually characterized by the laminations, coatings or densifications.
  • the insulation boards are usually laid in association, d. H. each row of panels should be offset from the previous row to avoid cross joints.
  • the insulation boards are usually with their long sides in the vertical direction above the other and with the side surfaces as close as possible pushed together to avoid open joints.
  • the insulation panels When attaching the insulation boards, for example, on the outer surfaces of buildings, the insulation panels are successively removed from the packaging unit or lifted after removing eienr casing from the insulation board stack. This means that every second insulation panel must be turned by 180 °. This also applies to those insulating boards whose large surfaces are not covered, since in this case it is generally the aim to direct the stamped by the hardening furnace tapes surfaces to the outside and not about alternately orienting the cutting surface produced by sawing to the outside.
  • the two-sided trimming the endless fiber web and their separation in the production direction is usually done with fixed circular saws, so that these parting surfaces are usually smooth in itself and oriented parallel to each other.
  • larger deviations from the squareness between the large surfaces and the respective side surfaces may result if the saw blades are not aligned exactly vertically.
  • the longitudinal separation and the trimming of the endless insulation web can also be done with the help of high-pressure water nozzles. This results, for example, depending on the bulk density of the insulating material, binder content and the arrangement of the fibers more or less pronounced wave-shaped surfaces.
  • soft glass wool insulation boards can be separated, for example, by means of transversely across the production line arranged Schlagmessem of the endless insulation web, so that hardly occur deviations. Since the flywheel is controlled via the conveying speed of the endless fiber web, small path length differences can occur from cycle to cycle, which lead to corresponding differences in width or in length, depending on whether the insulation boards separated transversely according to their widths or their lengths become.
  • Fig. 1 shows a perspective view of an embodiment of an insulating element 10 according to the present invention in the form of a mineral fiber insulation board 11, which was produced from a mineral fiber insulating material web.
  • Fig. 2 is a corresponding top view of the in Fig. 1
  • the insulating panel 11 comprises two substantially parallel extending large surfaces 12 and 14 and four side surfaces 16, 18, 20 and 22, which are aligned substantially perpendicular to each other and to the large surfaces 12 and 14.
  • the air-impermeable layer 24 is formed as a smooth polyethylene film with a thickness of 30 microns, on which an aluminum layer is evaporated with a thickness of 10 microns, which in this case faces outward.
  • an adhesive layer is formed, via which the airtight layer 24 is bonded to the side surface 18 of the insulation board 11.
  • the airtight layer 24 may also have a different construction.
  • other plastic films can be used, which are optionally provided with a metal layer.
  • the air-impermeable layer 24 there may be used a strip-shaped thermoplastic layer reinforced with glass fiber meshes or glass fiber nonwovens, such as a polyethylene film, an aluminum composite film or the like, which is welded to the side surface 18 of the insulation board 11 or by means of an adhesive, in particular a hot melt adhesive, is fixed.
  • water-dilutable coating materials may be used as the air-impermeable layer 24, such as sprayable disperse silicate paint, plastic disperse paint, plasto-elastic disperse paint, silicone resin emulsion paint, disperse paint, plastic resin plaster, or the like. It is also possible to use solvent-containing paints, such as, for example, polymerization resin varnish, epoxy varnish, polyurethane varnish or the like.
  • the air-impermeable layer 24 serves to decelerate in the intended condition of the insulating panel 11 thermal buoyancy in a built-up of the insulating panels insulation layer, for example, in a built-up of the insulating panels 11 thermal insulation system or stop altogether.
  • the insulating board 11 is positioned in the intended state arranged such that the air-impermeable layer 24 extends substantially horizontally.
  • the side surface 18 opposite side surface 22 of the insulating plate 11 is formed in the direction indicated by the dashed line 26 area 28 relative to the rest of the insulation board 11 formed to compensate for the laying of the insulation board 11 production-related or generated during handling of the insulation board 11 deviations.
  • the elastification of the region 28 can be produced, for example, by a flexing process, that is to say by repeated compression and decompression of the region 28, for example using pressure rollers or the like. In this way, the strength of the region 28 is reduced, whereby the elastic adaptability of the region 28 to unevenness of a side surface of an adjacently disposed insulating board 11 or other components is substantially improved.
  • the compression and / or separation can be carried out, for example, by means of moldings which are pressed or punched into the side surface 22 of the insulating board 11.
  • the moldings may be, for example, shaped bodies shaped like a needle, wedge, tooth, pyramid, truncated cone or scalenoeder, which cut or press into the side surface 22.
  • different moldings can be used, which penetrate at different depths in the side surface 22 of the insulating plate 11.
  • the moldings may act on the side surface 22 at different angles, causing different elastifications.
  • the elasticization using the molded bodies is preferably performed while the side surface 22 of the insulating board 11 is compressed in a direction parallel to the surface normal of the large surfaces 12, 14.
  • the entire insulation board 11 can be compressed between two resting on the large surfaces 12, 14 pressure plates in the vertical direction, whereupon then the side surface 22 is processed with the moldings.
  • the insulating board 11 can be compressed by means of Druckbändem in the direction parallel to the surface normal of the large surfaces 12, 14 and thereby conveyed past the acting on the side surface 22 moldings.
  • several arranged in the form of a stack insulation boards 11 can be processed simultaneously.
  • the side surface 22 of the insulation board 11 can be made even after curing of the insulation board 11.
  • the side surface 22 when the insulation board 11 or the stack of insulation boards 11 is already covered with a shrink film as packaging material.
  • a shrink film as packaging material.
  • the elastification is lower than in the elastification of uncoated stack of insulating panels 11, in particular when shrink films form beads on the partially open end faces.
  • the elastification can also take place after the compression of the wrapped and shrunk packaging units when the entire packaging unit is compacted.
  • the shrink film depends wrinkled and should be made smooth and easily stretchable, for example, by careful blowing with warm air before the pressure rollers act on the film and the side surface 22 of the insulating panel 11, the insulating element 10 or the stack of insulating panels 11. After this treatment, the shrink films can be heated so that they hold after cooling the insulating element 10, the insulating board 11 and the stack of insulating panels 11 in the compressed state.
  • FIGS. 1 and 2 illustrated insulating element 10 each having only one elasticized or provided with an air-impermeable layer 24 side surface 22 and 18, it should be understood that in each case more than one side surface 16, 18, 20, 22 can be elasticized or provided with an air-impermeable layer 24 should this be desired.
  • the above-described embodiment of the insulating element 10 is not restrictive. Rather, modifications and / or alterations are possible, without departing from the scope of the present invention, which is defined by the appended claims.
  • the insulating element 10 may be formed as insulation web, lamella web or lamella plate, the lamellar web and the lamellar plate having a course of mineral fibers substantially perpendicular to their large surfaces 112.
  • Fig. 3 is a perspective view of an embodiment of an elastic insulating strip 110 of the Dämman extract.
  • the insulating strip 110 is formed essentially of mineral fibers.
  • the elasticity or deformability of the insulating strip 110 can be based on a low density of the mineral fibers, which is in particular in the range of 10 to 50 kg / m 3 .
  • a low content of binders containing mineral fibers may result in poor elasticity, with a binder content in the range of 0.5 to 2% by weight being preferred.
  • the elasticity of the insulating strip 110 can be drastically reduced by a single or repeated compression beyond the elastic range, as can be achieved for example by a Walk processing of the insulating strip 110.
  • a combination of the aforementioned measures is possible to adjust the desired elasticity of the insulating strip 110.
  • the insulating strip 110 has two large surfaces 112 (FIG. Fig. 4 ) and four side surfaces 114 that are substantially perpendicular to each other and to the large surfaces 112.
  • an air-impermeable layer 116 is attached by means of adhesive, which covers the entire large surface 112 of the insulating strip 110.
  • the air-impermeable layer 116 serves essentially to brake or completely stop the thermal buoyancy of the damping arrangement according to the invention, with reference to FIG Fig. 8 is explained in more detail.
  • An adhesive layer 118 which in turn is covered with an easily removable film 120, is disposed on the large surface 112 of the insulating strip 110 opposite the air-impermeable layer 116.
  • the adhesive layer 118 serves for the later attachment of the insulating strip 110.
  • the insulating strip 110 optionally has a thickness d of 10 to 50 mm, preferably between 15 and 30 mm.
  • FIGS. 5 to 7 an embodiment of a manufacturing method of the in FIGS. 1 and 2 illustrated insulation strip 110 described in more detail.
  • Fig. 5 shows an insulating sheet 122, which has the same layered structure as in the FIGS. 3 and 4 shown DämmstoffstMail 110, which is shown in Fig. 5 but not shown.
  • the width B of the insulating material web 122 is a multiple of the width b of the insulating strip 110.
  • insulation strip 110 is the in Fig. 5 shown insulation web 122 initially rolled up with high compression to a roller 124.
  • the roller 124 is then fixed by shrinking a shrink film 126, whereby the in Fig. 6 illustrated arrangement results.
  • the shrink film 126 has a preferred shrinkage direction, which is oriented parallel to the winding direction of the insulating material web 122.
  • the roll 124 fixed by means of the shrink film 126 is divided into slices 128 substantially at right angles (radially) to the longitudinal axis of the roll 124, the width of the slices 128 being the thickness d of the die FIGS. 3 and 4 shown insulating strip 110 corresponds.
  • the preferred shrinkage direction of the shrink film 126 has been oriented parallel to the winding direction of the roller 124, the wrapping of the respective disks 128 remaining as a type of band is prevented from contracting in the axial direction and the band thereby being separated from the narrow disk 128 jumps.
  • Insulation sheets 122 of large thickness can be cut parallel to their large surfaces 112 to produce insulation strips 110 in thicknesses ⁇ 50 mm.
  • Several of the banded disks 128 are preferably combined to form a unit.
  • the wrappings are alternatively made of paper, film bags, net-like plastic film tapes or plastic fibers composite flat structures or cardboard.
  • insulating material web 122 may also have, for example, a layered structure with a central insulating layer of mineral fibers and adhesive layers arranged on both sides of the large surfaces of the insulating layer, each being covered with an easily removable film.
  • the insulating material web 122 is then first divided horizontally, whereupon the parts are then rolled up separately under high compression. Subsequently, the shrink films are arranged and finally the produced rolls are divided into slices.
  • the horizontal distribution of the insulating material web 122 can be made centrally, whereby insulation strips of the same thickness d are produced. Alternatively, the horizontal division can also be done off-center to produce insulation strips with different thicknesses d.
  • meter-long insulating strips 110 and insulating strips 110 can be made according to the lengths and widths of those insulating elements in which the insulation strips 110 are to be laid later.
  • elasticized plate material is separated.
  • the insulating strips 110 can of course also be obtained from insulation sheets or insulation boards with higher densities. However, then the effort is greater to produce the necessary softening properties of the insulating strips 110.
  • the width of the insulating strip 110 may be basically equal to, larger or smaller than the thickness of the insulating elements, with which the insulation strips 110 are laid later. If wider insulating strips 110 are used, the supernatant may have to be cut off, if appropriate, flush with the surface of the insulating layer produced.
  • the insulating strips 110 can also easily spring back against the outer surface of the generated Dämmanowski. For this they must be pressed close to a wall surface of a wall to be insulated in order to interrupt any existing air gaps.
  • the insulation strips 110 can also be stacked to guide them up and back behind the horizontally abutting insulation elements or insulation boards. In order to achieve a sufficient clamping effect of the insulating elements in the horizontal direction here, they must be stiff in itself and pressed uniformly firmly in the surface against the wall to be insulated.
  • Fig. 8 shows an exemplary Dämman extract 130 according to the present invention.
  • the insulating arrangement 130 comprises adjacently arranged insulating elements 132 in the form of insulating panels.
  • Each of the insulating members 132 includes two large surfaces 134 and four side surfaces 136 which are substantially orthogonal to each other and to the large surfaces 134.
  • insulating strips 138 are provided between the side surfaces 136 of the insulating elements, which are, for example, insulation strips in the FIGS. 3 and 4 represented type can act.
  • the side surfaces 136 of the individual insulating elements 132 are arranged with slight pressure against the insulating strips 138.
  • the horizontally disposed insulating strips 138 preferably comprise a substantially air-impermeable layer as described with reference to FIGS FIGS. 3 and 4 has been described. This air-impermeable layer of the insulating strips 138 is intended to slow down or completely stop the thermal buoyancy of the insulating arrangement 130.
  • the surface 12 of the insulating element 10 has the embossed by hardening furnace tapers surveys.
  • the insulation panels 12 can be pushed so close to each other that deviations from the perpendicularity in relation to length and width and in the direction of the plate thickness are compensated and a self-contained Dämman extract 130 are formed can.
  • the elastification of the side surfaces 16, 18, 20, 22 of the insulating board is carried out with elements 200, 22 significantly reduce the internal cohesion of the fiber clippings or the insulating material within and below the machined side surface 16 and the side surfaces 18, 20, 22. In this treatment as few fibers should break and / or be dissolved out of the insulation.
  • the element 200 used for this purpose must therefore penetrate to a certain depth in the insulating material and press the fiber composite apart both upwards and to the sides. In insulation boards 12 with pronounced laminar structure is thus a focus on the pushing apart of the fibers in the vertical direction.
  • This effect can be supplemented by an additional compressive stress.
  • a sawtooth impact and pressure bar 202 with teeth 204 is shown.
  • the teeth 204 of this impact and pressure bar run to a point, so that the angles at the base, for example, be over 45 °.
  • the height of the teeth 204 is dependent on the required penetration depth.
  • the teeth 204 may form an isosceles or skewed triangle. An asymmetrical design is particularly advantageous when used in cylindrical processing bodies.
  • the flanks of the teeth 204 are smooth or chamfered or may be ground like a blade from both sides.
  • the thickness of the impact and pressure bar is usually less than 10 mm, preferably 5 mm.
  • the impact and pressure bar 202 has round holes 206 for attachment to a drive system, not shown, or for assembling a machining tool with a plurality of successively and mutually parallel impact and pressure bars 202. Between the impact and pressure bars 202 distance layers 207 may be arranged, which are connected by screws 208 with the impact and pressure bars 202. There are tabs 209 provided end that allow attachment to a drive system.
  • the processing tool is designed for a beating effect.
  • spike-like elements are shown, which impact or are pressed into the insulating material.
  • Fig. 4 shows a tapered pin 210 with molded nut 21 which is screwed into a base plate 212 or in the shell of a roller, not shown, soldered or welded.
  • the diameter of the pin 210 can be reduced to a few millimeters, so that the pin can be in the form of a needle.
  • a frusto-conical member 213 having a rounded tip 214 is shown.
  • a combination of a hard metal needle 215 with a frusto-conical element 213 of metal or tough plastic shows Fig. 16 ,
  • the foot of the element 213 is formed, for example, as a screw 216, so that it can be fixed by means of a nut 211 on the base plate 212.
  • a pyramid-shaped element 217 is shown, whose one basic axis may be longer than the transverse axis.
  • the foot of this element 217 can be inserted into a groove 218 cut by the base plate 212 in order to arrange the pyramidal element 217, for example, at a shallow angle to the large surfaces of the insulation boards to be treated and to secure this position against slippage.
  • the element 213, 217 may also have a polygonal base.
  • a carbide needle 215 with a partially elliptical in the side view body 219, which allows a material-appropriate drainage in the insulation, as it is in Fig. 18 is shown.
  • This part of the indenter can also be trapezoidal. If the bodies 219 according to Fig. 18 are screwed into the rollers, they are preferably fixed by means of a groove or an elongated recess in its position or direction.
  • Fig. 20 becomes an indenter 219 according to Fig. 18 shown in plan view.
  • the base of the body 219 is elliptical.
  • the visible from the top side surfaces can also be flat and then parallel to each other.
  • Fig. 19 shows in a plan view of an arrowhead-like element 213, the cutting edges at the base are equal or unequal width.
  • Fig. 21 For example, the arrangement of elements 210, 213, 217, 219 on a base plate 212 is shown.
  • the elements 210, 213, 217, 219 are fixed in overlapping hexagonal arrangement.
  • the distances of the elements 210, 213, 217, 219 from each other and their arrangement to one another and the height and width of the impact tool depend on how many strokes per unit time are required or permitted and on the relative speed with the surfaces to be machined on the impact tool over be promoted or this is moved past these.
  • the impact tool in addition to the guide in the horizontal direction can be simultaneously moved up and down.
  • a comparable embodiment with arrowhead-like elements 213 is shown in FIG Fig. 22 shown.
  • Fig. 23 shows in plan view wedge-shaped elements 210 with a rectangular surface, which are arranged in a staggered arrangement on a base plate 212 or analogous to the development of a cylinder jacket.
  • the wedge-shaped elements 210 may also have an oblique parallelepipedon as a base. Instead of cutting into a narrow or narrow upper surface, the element 210 may also leak in a point.
  • Fig. 24 shows the immediately following on a continuous curing oven 220 section of a conventional insulation production plant.
  • An endless insulating material web 221 is trimmed on both sides, for example by means of saws 222. The trimming sections are crushed and transported away.
  • One or more saws 223 or high-pressure water nozzles are arranged across the width of the endless insulating material web 221 in order to separate them into a plurality of partial webs 224.
  • the partial webs 224 are conveyed close to each other when the partial webs are rigid. For flexible fiber insulating materials such as glass wool, the partial webs 224 can already be pushed apart.
  • the endless insulating material web 221 can be divided into thinner webs.
  • the drives can be electric, electropneumatic, pneumatic or hydraulic. Frequency and amplitude are chosen according to the requirements and the tools or indenters used. In one embodiment, the tools can also be moved in pivoting movements in the vertical direction.
  • the tools can also be placed in the conveying direction in front of the saws 222, so that these sections are elasticized, which facilitates their recycling.
  • the tools can also be arranged behind the horizontal saw 225 and act on the successively supported insulation boards, provided that they are sufficiently heavy or are optionally secured by pressure devices against lateral displacement.
  • Fig. 25 is about the in Fig. 24 portion shown also a device 226 for separating the individual insulating panels 11 shown by the partial webs 224 shown here.
  • a device 226 for separating the individual insulating panels 11 shown by the partial webs 224 shown here As a conveyor here driven rollers 227 are shown, which inherently take over the endless insulation web 221 behind the curing oven 220.
  • the lateral elastification takes place here by means of equipped with tools or provided with teeth pressure rollers 288, for example, depending on the resistance of the material hydraulically more or less solid and thus deep in the side surfaces 16, 18 of the endless insulation web (s) 221 or pressed into the insulation boards 11.
  • one or more pressure rollers 228 can each be arranged on one side.
  • Fig. 26 shows in cross-section a stack of insulating panels 11, which have a lamination or a coating, a compacted surface or a compacted surface zone, optionally both provided with laminations or coatings.
  • the stack of insulating panels 11 is moved between an upper conveyor 229 and a lower pressure-exerting conveyor 230 in the horizontal direction, while on both sides of elements 200 on side surfaces 16, 18 act.
  • toothed pressure rollers can be used.
  • this action is also fixed on a side surface 16 of the stack of insulating panels 11 under the action of a pressure plate 231 on a table, while in each case one element 200 and / or one or more pressure rollers on one or both side surfaces 16, 18th be guided along.
  • the treatment can of course also be carried out with individual insulation boards 11 before stacking.

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Claims (21)

  1. Procédé de fabrication des panneaux en matière isolante à partir des fibres minérales, les panneaux comprenant au moins une surface latérale élastifiée et/ou au moins une partie de surface latérale élastifiée, caractérisé en ce que l'élastification se fait en défaisant localement au moins une surface latérale et/ou au moins une partie de surface latérale du panneau en matière isolante et que la surface latérale localement défaite et/ou la partie de surface latérale localement défaite du panneau en matière isolante est localement comprimée de façon complémentaire.
  2. Procédé selon la revendication 1, caractérisé en ce que la surface latérale et/ou la partie de surface latérale est comprimée et/ou défaite par moyen d'au moins un corps moulé en forme d'aiguille et/ou de cale et/ou de dent et/ou de pyramide et/ou de cône tronqué et/ou de scalénoèdre, lequel pénètre dans celle-ci.
  3. Procédé selon la revendication 2, caractérisé en ce que les corps moulés coupent et/ou se pressent dans la surface latérale et/ou la partie de surface latérale.
  4. Procédé selon l'une des revendications 2 ou 3, caractérisé en ce que les corps moulés pénètrent dans la surface latérale et/ou la partie de surface latérale à des profondeurs différentes.
  5. Procédé selon l'une des revendications 2 à 4, caractérisé en ce que les corps moulés sont poussés et/ou enfoncés dans la surface latérale et/ou la partie de surface latérale.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que les corps moulés agissent sur la surface latérale et/ou la partie de surface latérale selon des angles différents.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que des bords latéraux et/ou des parties de surface latérale de plusieurs panneaux en matière isolante sont simultanément élastifiés.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que le panneau en matière isolante est au moins partiellement comprimé pendant l'élastification.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que plusieurs surfaces latérales et/ou plusieurs parties de surface latérale du panneau en matière isolante sont simultanément élastifiées.
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'élastification a lieu après un durcissement du panneau en matière isolante.
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que l'élastification a lieu au cours d'un compactage préliminaire du panneau en matière isolante.
  12. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que l'élastification a lieu après avoir couvert le panneau en matière isolante d'un matériau d'emballage.
  13. Dispositif de fabrication des panneaux en matière isolante à partir des fibres minérales, les panneaux comprenant au moins une surface latérale élastifiée et/ou au moins une partie de surface latérale élastifiée, caractérisé par des éléments d'élastification, par moyen desquels l'élastification peut être réalisée par des coupes locales dans au moins une surface latérale et/ou une partie de surface latérale, les éléments d'élastification comprenant un ou plusieurs corps de frappe, notamment des barres de battement, susceptibles d'être enfoncés dans un panneau en matière isolante à traiter, sur lequel corps de frappe ou sur lesquels corps de frappe sont disposés des corps moulés faisant saillie.
  14. Dispositif selon la revendication 13, caractérisé en ce que les corps de frappe comprennent une largeur comprise entre 1 et 1,5 mm.
  15. Dispositif selon l'une des revendications 13 ou 14, caractérisé en ce que les corps moulés des corps de frappe individuels sont disposés de façon décalée les uns par rapport aux autres par rapport au panneau en matière isolante à traiter.
  16. Dispositif selon l'une des revendications 13 à 15, caractérisé en ce que, dans l'état de fonctionnement normal, les corps de frappe sont essentiellement disposés à angle droit par rapport aux surfaces principales du panneau en matière isolante à traiter.
  17. Dispositif selon l'une des revendications 13 à 16, caractérisé en ce que, dans l'état de fonctionnement normal, les corps de frappe sont essentiellement disposés selon des angles différents par rapport aux surfaces principales du panneau en matière isolante à traiter.
  18. Dispositif selon l'une des revendications 13 à 17, caractérisé en ce que les corps moulés sont configurés de sorte qu'ils pénètrent dans le panneau en matière isolante à traiter avec une profondeur de pénétration de jusqu'à 25 mm.
  19. Dispositif selon la revendication 13, caractérisé en ce que le dispositif comprend un ou plusieurs rouleaux de pression rotatifs, sur lequel ou sur lesquels sont disposés des corps moulés faisant saillie.
  20. Dispositif selon la revendication 19, caractérisé en ce que les corps moulés s'étendent à la façon des listeaux en parallèle à l'axe longitudinal de chaque rouleau de pression ou en forme de fuseau autour de la surface extérieure de chaque rouleau de pression.
  21. Dispositif selon l'une des revendications 13 à 20, caractérisé en ce que les corps moulés sont en forme d'aiguille et/ou de cale et/ou de dent et/ou de pyramide et/ou de cône tronqué et/ou de scalénoèdre.
EP06754479.1A 2005-06-21 2006-06-21 Procede et dispositif pour realiser des elements en materiau isolant en fibres minerales Not-in-force EP1893825B1 (fr)

Priority Applications (1)

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PL06754479T PL1893825T3 (pl) 2005-06-21 2006-06-21 Sposób i urządzenie do wytwarzania elementów materiału izolacyjnego z włókien mineralnych

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PCT/EP2006/005967 WO2006136396A2 (fr) 2005-06-21 2006-06-21 Procede et dispositif pour realiser des elements en materiau isolant en fibres minerales

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EP (1) EP1893825B1 (fr)
EA (1) EA012151B1 (fr)
ES (1) ES2557819T3 (fr)
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FR2958951B1 (fr) * 2010-04-20 2012-10-05 Francois Long Panneau pour isolation interieure d'une toiture, utilisation et isolation interieure
RU2645190C1 (ru) * 2016-09-26 2018-02-16 Карапет Арменович Тер-Закарян Замковая технология теплоизоляционного материала для бесшовной сварки соединительных замков
RU2679030C1 (ru) * 2017-09-06 2019-02-05 Карапет Арменович Тер-Закарян Крепление для фиксации теплоизоляционного материала к утепляемой поверхности
WO2023287404A1 (fr) * 2021-07-14 2023-01-19 Hewlett-Packard Development Company, L.P. Lyse cellulaire mécanique dans des dispositifs microfluidiques numériques mécaniques dans des dispositifs microfluidiques numériques

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP1803862A1 (fr) * 2001-06-02 2007-07-04 Deutsche Rockwool Mineralwoll GmbH & Co. OHG Panneau isolant avec zones de rebord compressibles et son procédé de fabrication

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DE3203622A1 (de) * 1981-09-17 1983-04-07 Deutsche Rockwool Mineralwoll-GmbH, 4390 Gladbeck Verfahren und vorrichtung zum herstellen einer schall- und/oder waermeisolierenden mineralfaserplatte oder -bahn
ATE99017T1 (de) * 1989-07-31 1994-01-15 Flumroc Ag Verfahren und vorrichtung zur herstellung einer kompressiblen zone in mindestens einem randbereich einer waerme-, schall- und/oder feuerisolierenden mineralfaserplatte oder -bahn sowie mineralfaserplatten hergestellt nach dem verfahren.
SE505340C2 (sv) * 1996-01-29 1997-08-11 Rockwool Ab Sätt och anordning för partiell deforamtion av kanter hos mineralullsskivor
EP1643047A1 (fr) * 2004-09-29 2006-04-05 Rockwool International A/S Panneau d'isolation en fibres minérales

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803862A1 (fr) * 2001-06-02 2007-07-04 Deutsche Rockwool Mineralwoll GmbH & Co. OHG Panneau isolant avec zones de rebord compressibles et son procédé de fabrication

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Publication number Publication date
WO2006136396B1 (fr) 2007-08-30
UA85975C2 (uk) 2009-03-10
EA200800079A1 (ru) 2008-04-28
WO2006136396A2 (fr) 2006-12-28
WO2006136396A3 (fr) 2007-07-05
ES2557819T3 (es) 2016-01-28
EA012151B1 (ru) 2009-08-28
PL1893825T3 (pl) 2016-03-31
EP1893825A2 (fr) 2008-03-05

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