WO2003018933A1 - Verfahren zur bereitstellung eines absorber-elementes aus mineralwolle - Google Patents
Verfahren zur bereitstellung eines absorber-elementes aus mineralwolle Download PDFInfo
- Publication number
- WO2003018933A1 WO2003018933A1 PCT/EP2002/009155 EP0209155W WO03018933A1 WO 2003018933 A1 WO2003018933 A1 WO 2003018933A1 EP 0209155 W EP0209155 W EP 0209155W WO 03018933 A1 WO03018933 A1 WO 03018933A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulation
- strip
- strips
- axis
- winding
- Prior art date
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011490 mineral wool Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 11
- 230000006837 decompression Effects 0.000 claims abstract description 8
- 239000011324 bead Substances 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 97
- 238000004804 winding Methods 0.000 claims description 30
- 239000012780 transparent material Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 abstract description 20
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 239000012774 insulation material Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 6
- 239000011358 absorbing material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007907 direct compression Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
-
- 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
- E04B1/82—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 sound only
-
- 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
- E04B1/82—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 sound only
- E04B1/84—Sound-absorbing elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
- E04D13/1625—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters
- E04D13/1631—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for supporting the insulating material between the purlins or rafters the means deriving from the nature or the shape of the insulating material itself
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
-
- 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
- E04B1/82—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 sound only
- E04B2001/8245—Machines for manufacturing, shaping, piercing or filling sound insulating elements
Definitions
- the invention relates to a method for providing an absorber element, which is preferably used for filling a bead with an approximately trapezoidal cross-section, the absorber element being formed from an insulating strip of mineral wool, preferably rock wool, and the insulating strip around at least one fold axis running parallel to its longitudinal axis is unfolded before insertion into the bead.
- Mineral wool insulation materials with an open-pore structure have proven to be effective sound absorbers.
- the sound absorption level can increase to 1, i.e. In this case, the sound power that occurs is completely converted into heat by friction in the insulating material or is transmitted to adjacent rooms by transmission.
- Sound-absorbing substances can, for example, be arranged in layers in front of sound-reflecting surfaces or distributed as moldings in the room to be influenced.
- sound-absorbing materials are alternatively arranged behind a sound-reflecting surface of a room.
- the sound-absorbing materials develop their effect when the sound-reflecting surface is perforated, for example, and thus has a large number of openings.
- Such use of sound-absorbing materials is known in roof structures that comprise profiled steel or aluminum sheets. This can increase the low sound absorption capacity of a closed roof shell made of profiled sheets.
- the perforations are in the web surfaces and in the lower flange, while the top flange, on which a roof layer rests, is generally not perforated.
- two strips of mineral wool insulation in lengths of 1 or 1, 25 m and widths corresponding to the width the web surface is set in the cavity of the trapezoid.
- these insulation strips are mostly clad with a black glass fiber fleece on the visible side.
- the glass fleece has a very low flow resistance and is therefore sound transparent.
- the laminated insulation board is also non-flammable in the sense of DIN 4102 part 1.
- the insulation strip can also have two V-shaped recesses spaced apart from one another. If this strip is folded or folded along the two recesses, a shape is created that reproduces the trapezoidal profile. This embodiment is naturally suitable for use in trapezoidal sheets perforated all round.
- the insulation strips have a thickness of approx. 20 - 50 mm. They are mainly made from stone wool insulation boards with bulk densities of approx. 25 - 70 kg / m 3 . When specifying the raw density for stone wool insulation materials, it should be noted that the fiber mass contains approximately 30 percent by mass of non-fibrous particles which do not affect the mechanical properties.
- the manufacture of the insulation strips with the V-shaped recesses described above is relatively complex, although there is no need to bevel the longitudinal edges according to the inclination of the web surfaces of the trapezoidal sheet.
- Another disadvantage is that the recesses in the insulation strips or panels are led down to the glued-on fiberglass fleece.
- the absorber element When the absorber element is unfolded, the glass fiber fleece is frequently bent, the resistance of the rock wool insulation material having a disadvantageous effect.
- the absorber elements are common Damaged during installation in that the two wings are pressed against each other too much, so that the tensile strength of the already bent glass fiber is exceeded and the wings fall apart. The installation of the absorber elements must therefore be carried out carefully, which makes laying in connection with the short length of the absorber elements complex.
- the invention is therefore based on the object of providing a method for providing an absorber element made of mineral wool which can be carried out more cost-effectively than the known methods and which provides absorber elements which are easier and in particular more economical to use.
- the solution to this problem provides that the insulation strip is elasticized before being unfolded, at least in the area of the kink axis, by compression and decompression, preferably in the direction of the surface normal of a large surface of the insulation strip.
- the insulating material strip is prepared for the unfolding or kinking in such a way that the tensile stresses and shear stresses that occur when the material is bent, in particular in the outer region, do not lead to the insulating material strip being torn open. Furthermore, the resistance of the insulation material to pressure is also reduced in the inner area of the unfolded insulation material strip, so that a V-shaped recess is no longer necessary and that the insulation material can be compressed more easily in the interior area.
- the elasticization in the area of the articulation axis can take place by means of multi-stage compression and decompression.
- the compression can be increased in stages so that not too many fibers are broken by direct compression.
- an insulating material web consisting of a plurality of insulating material strips arranged next to one another is fed to a winding device, with the insulating material strips also being elasticized outside the region of the articulation axis in order to make it easier to wind up.
- the area of the kink axis is to be understood as the area of the insulation strip which is particularly stressed by the proposed unfolding.
- the elasticity of the insulation strip beyond the area of the articulation axis prepares the insulation material for the tensions and shear stresses to be attributed to the winding.
- the insulation strips are particularly elasticized at the points where high tension results from the winding.
- the insulation strip can be fed to the winding device in various ways. On the one hand, insulation strips that are several meters long and correspondingly wide can be wound up one after the other, the height of the winding corresponding to the width of the insulation strips.
- An insulation strip has a spiral shape in the winding, i. that is, its longitudinal axis lies in a plane perpendicular to the winding axis.
- insulating material is wound under pressure in the direction of the surface normals of the large surfaces.
- a frame in the upstream elastification compression of the insulating material is not carried out or only partially removed by a subsequent decompression, so that the insulating material is supplied to the winding device in a compressed manner. This means that the transport or storage volume of the rolled insulation strips can be significantly reduced.
- the insulating material web can be encased in the circumferential direction of the roll by means of a band made of plastic films or paper. This sleeve keeps the insulation sheet under pressure.
- several coils or rolls can be combined to form a transport unit by means of further envelopes. Compared to the known method of transporting the insulation strips lying one above the other in the box, the transport of the rolls has the advantage that the boxes can be dispensed with.
- the individual insulation strips in a wound insulation sheet can be separated from one another after the transport and / or storage of the roll and after unwinding.
- the insulation strips can be processed on their long and / or short-sided ends before they are wound up. Perforation of the edges of the insulation strips is an example.
- the insulation strip is elasticized more in the area along the kink axis than in the other areas. This takes into account the fact that the insulation strip is deformed to a greater extent by kinking in the area of the kink axis than when winding.
- At least one of the two large surfaces of the insulation strip is preferably covered with a sound-transparent clothing material.
- Nonwovens or fabrics made of glass, natural or plastic fibers, metal fabrics or plastic foils can be used as clothing material.
- the clothing fabric can be glued over the entire surface or partially or sewn on in the case of fabrics. Is the clothing fabric in the winding of the Insulation strip on the outside, this also serves as protection during transport and storage of the roll or roll.
- the clothing material can be perforated before being applied to the insulation material.
- the dividing line between two adjacent insulation strips and / or the (intended) folding axis are preferably marked.
- a color application by means of pencils or the like can be used as a marking.
- a marking can also be introduced by local heating.
- An insulating material sheet made of damping material strips can be fed to the winding device lying one above the other with a second insulating material sheet, whereby the two insulating material sheets are then wound up one above the other.
- the two layers of insulation lying on top of each other can be produced by splitting a thicker layer of insulation.
- Fig. 1 shows schematically the flow of an embodiment
- FIG. 2 shows a top view of an absorber element provided by the method according to the invention
- FIG. 3 shows the absorber element of FIG. 2 in a side view (slightly enlarged compared to FIG. 1);
- FIG. 4 shows a feed of an insulating material web with several insulating material strips to a winding device
- Fig. 5 shows a second feed of an insulation strip to the winding device.
- FIG. 1 shows a schematic sequence of an exemplary embodiment according to the invention.
- a preferably endless web of mineral wool insulation is produced with a predetermined thickness.
- This insulation web is fed to a device in which at least a large surface of the insulation web is laminated with a clothing material.
- This fabric is sound-transparent and is connected to the insulation sheet by gluing or sewing.
- the insulation web which is laminated with the sound-transparent clothing material, for example a glass fleece, is now fed to a device in which the insulation web is compressed and decompressed. This can be done in several stages, increasing the degree of compression and decompression.
- the compression and decompression of the insulation sheet is not limited to a direction parallel to the surface normal of the large surface of the insulation sheet, but can also be done by forces parallel to the large surface.
- the insulation sheet can have areas sen, which are more elasticized. These areas correspond to the areas in which later there are kink axes of insulation strips that are cut from the insulation sheet.
- Such an elasticized insulation web is fed to a winding device and wound up.
- the rock wool insulation sheet has a bulk density range of approx. 23 kg / m 3 to approx. 70 kg / m 3 .
- the wound insulation sheet is provided with a cover. In particular, if the insulating material web is wound up under compression, the insulating material wrap can be easily transported due to the smaller volume.
- the insulation sheet After transport and after removal of the casing, the insulation sheet is unrolled, the insulation sheet having an elasticity which, in conjunction with the compression tension in the winding, enables it to be unrolled automatically after the film has been removed.
- the insulation strips can be unfolded along the fold axis. In this form, the insulation strips can be pressed into a cavity in a trapezoidal sheet by hand.
- Each strip of insulation material forms an absorber element 1 or can be divided into several absorber elements 1.
- FIG. 2 shows a top view of an absorber element 1 produced by the method according to the invention.
- the absorber element 1 has a rectangular shape with two longitudinal ends 2 and two short ends 3.
- the absorber element 1 is folded along a longitudinal axis 4 of the absorber element 1, which also corresponds to the kink axis, before being inserted into the trapezoidal sheet.
- An elasticized area 5 is arranged here, the elastic properties of which are formed by repeated compression and subsequent decompression.
- Figure 3 shows the absorber element 1 in a slightly enlarged side view.
- a sound-transparent clothing material 7 is arranged on a large surface 6.
- the absorber element 1 When the absorber element 1 is unfolded, the parts of the absorber element lying on the left and right in FIG. Element 1 folded up so that a body with an approximately V-shaped cross section is formed. As a result of the unfolding, the absorber element 1 is subjected to tension, in particular in the elasticized region 5 on its underside 9.
- the absorber element 1, on the other hand is pressed together on the upper side 10 and consequently subjected to pressure.
- FIG. 4 and FIG. 5 show two different possibilities of how the absorber elements 1 or individual insulation strips are fed to a winding device, only the respective winding axis 11 of the winding device being shown in FIGS. 4 and 5.
- the longitudinal axes 4 of the individual absorber elements 1, which are arranged side by side and connected to one another in an insulating material web 12, and the winding axis 11 are arranged parallel to one another.
- the height of a roll, which is created by rolling up the insulation web 12, corresponds to the length of the individual absorber elements 1.
- the longitudinal axis 4 is oriented at right angles to the roll axis 11.
- the height of the resulting roll corresponds to the width of the absorber element 1, which in this case can be divided into individual sections.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Textile Engineering (AREA)
- Building Environments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20113959.6 | 2001-08-23 | ||
DE20113959 | 2001-08-23 | ||
DE10219607 | 2002-05-02 | ||
DE10219607.9 | 2002-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003018933A1 true WO2003018933A1 (de) | 2003-03-06 |
Family
ID=26011132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/009155 WO2003018933A1 (de) | 2001-08-23 | 2002-08-16 | Verfahren zur bereitstellung eines absorber-elementes aus mineralwolle |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10239527A1 (de) |
WO (1) | WO2003018933A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006059053B4 (de) * | 2006-12-14 | 2018-01-04 | Va-Q-Tec Ag | System zur Verminderung der Leckage an Knickstellen vakuumgedämmter Platten |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20014113U1 (de) * | 2000-08-11 | 2000-12-21 | Isobau Handels Gmbh | Sickenfüller für offene Blechprofile, insbesondere Trapezblechprofile |
EP1111113A2 (de) * | 1996-03-25 | 2001-06-27 | Rockwool International A/S | Verfahren und Vorrichtung zur Herstellung einer Mineralfaserplatte |
EP1122373A2 (de) * | 2000-02-04 | 2001-08-08 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Verfahren zur Herstellung eines Dämmaterials aus Mineralfasern |
DE10004511A1 (de) * | 2000-02-02 | 2001-08-23 | Rockwool Mineralwolle | Vorrichtung zur baustellenseitigen Bereitstellung und Verarbeitung eines Dämmstoffvlieses |
-
2002
- 2002-08-16 WO PCT/EP2002/009155 patent/WO2003018933A1/de not_active Application Discontinuation
- 2002-08-23 DE DE10239527A patent/DE10239527A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1111113A2 (de) * | 1996-03-25 | 2001-06-27 | Rockwool International A/S | Verfahren und Vorrichtung zur Herstellung einer Mineralfaserplatte |
DE10004511A1 (de) * | 2000-02-02 | 2001-08-23 | Rockwool Mineralwolle | Vorrichtung zur baustellenseitigen Bereitstellung und Verarbeitung eines Dämmstoffvlieses |
EP1122373A2 (de) * | 2000-02-04 | 2001-08-08 | Deutsche Rockwool Mineralwoll GmbH & Co. OHG | Verfahren zur Herstellung eines Dämmaterials aus Mineralfasern |
DE20014113U1 (de) * | 2000-08-11 | 2000-12-21 | Isobau Handels Gmbh | Sickenfüller für offene Blechprofile, insbesondere Trapezblechprofile |
Also Published As
Publication number | Publication date |
---|---|
DE10239527A1 (de) | 2003-04-17 |
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