Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
  • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
  • E04B1/82—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
  • E04B1/8409—Sound-absorbing elements sheet-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
• • 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
  • E04B1/86—Sound-absorbing 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
  • E04B1/82—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
  • E04B2001/8414—Sound-absorbing elements with non-planar face, e.g. curved, egg-crate 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
  • E04B1/82—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
  • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
• • 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
  • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
  • E04B2001/8428—Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
• • 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
  • E04B2001/8457—Solid slabs or blocks
  • E04B2001/8461—Solid slabs or blocks layered
  • E04B2001/8471—Solid slabs or blocks layered with non-planar interior transition surfaces between layers, e.g. faceted, corrugated

Definitions

• the invention relates to a wall element according to the preamble of claim 1.
• a wall element which comprises a felt plate, wherein the felt plate comprises at least two felt layers and wherein at least one felt layer has a three-dimensional structure on at least one upper side.
• the production of such a wall element is technically complex by the cutting process.
• the felt plate comprises a plane felt layer as the top layer, a plane felt layer as the bottom layer and at least one corrugated felt layer as the middle layer, the corrugated felt layer adjacent to the top layer being formed on its upper side in the region of its wave crests upper crest lines or vertices is connected to the topsheet and wherein the corrugated felt layer adjacent to the backsheet has on its underside in the region of lower crest lines formed by its valleys
• Vertices associated with the lower layer This results in a sorted, at least three-layer composite in which full-surface connections between the individual felt layers are avoided.
• a felt layer corrugated to an upper side and a lower side accumulations of material on triple-layered and multi-layered felt sheets can be avoided. Due to the structure of the felt plate of flat felt layers and at least one felt layer curled on both sides, the manufacturing process comprises only the
• Steps Cutting, forming part of the blanks and joining all blanks.
• Felt layer is not in the structure of the invention
• each corrugated felt layer in the range of formed by their wave crests upper
• This structure of the felt plate ensures that all felt layers of the felt plate are interconnected by a plurality of line-shaped or punctiform connections.
• the felt panel It is intended to form the felt panel with a thickness between 10 mm and 50 mm, preferably between 20 mm and 40 mm and in particular about 30 mm.
• Such sized felt sheets can be used well as a pinboard or partition.
• corrugated felt layer is the use of a flat felt layer with a thickness between 4 mm and 20 mm,
• Such felt layer have a high intrinsic stability, which facilitates the processing, since such felt layers can be handled easily, without these form undesirable kinks when handling.
• the felt panel with at least one island region, in which the plan
• Felt layers and the at least one corrugated felt layer over the entire surface and plan on each other and in particular are connected to each other over the entire surface.
• the cavities are closed to a periphery of the felt plate out and are thus from damage and / or contamination
• the felt panel has in one of the at least one
• Island area adjacent volume region has a thickness which is greater than a thickness, which has the felt plate in the at least one island region, wherein the thicknesses in each case orthogonal to the extension of the plan
• Felt layers are measured. Due to the smaller thickness in the island area, the island area is particularly easy
• the island region as an edge region, which surrounds the felt plate at its periphery only in a section, or the island regions as
• Felt plate comprises a carrier.
• the carrier with a foot and at least one rod, wherein the rod is adapted to one of the cavities of the felt plate such that it is insertable into the cavity such that the felt plate is supported by the carrier.
• the carrier with at least one rod, wherein the rod passes through one of the cavities such that this on both sides and ends of the
• Additive-free bonding method in particular a
• Welding method such as preferably ultrasonic welding or vibration welding to connect. Such methods can be carried out with simple technical means.
• both an arcuately corrugated felt layer and a zigzag-shaped corrugated felt layer as well as a
• Cross-section trapezoidal corrugated felt layer understood, which is produced in particular in a forming process, in particular using a stamping tool, in particular under the action of heat.
• a stamping tool in particular under the action of heat.
• Figure 1 a section of a perspective view
• first wall element which is a first
• Felt panel the felt panel comprising a corrugated felt layer and two planar felt layers;
• Figure 2 a section of a perspective view
• a second wall panel comprising a second felt panel, the felt panel comprising a corrugated felt layer and two planar felt layers;
• Figure 3 a section of a perspective view
• a third wall element comprising a third felt panel, the felt panel comprising two corrugated felt layers and two plane felt layers;
• Figure 4 a section of a perspective view
• a fourth wall element comprising a fourth felt plate, the felt plate comprising two corrugated felt layers and two plane felt layers;
• Figure 5 a detail of a perspective view
• FIG. 6 shows a detail of a perspective view of a sixth wall element which comprises a sixth felt panel, wherein the felt panel comprises three corrugated felt layers and four plane felt layers;
• Figure 7 a section of a perspective view
• a seventh wall panel comprising a seventh felt panel, the felt panel comprising five corrugated felt sheets and six planar felt sheets;
• FIG. 8 shows a detail of a perspective view
• Felt panel the felt panel comprising five corrugated felt layers and six planar felt layers; a view of a ninth wall element, which comprises a ninth felt plate in a square shape with a circumferentially closed edge region;
• Figure 10 is a view of a tenth wall element, which comprises a tenth felt plate in triangular shape with a peripherally closed edge region;
• FIG. 11 shows a view of an eleventh wall element, which comprises an eleventh felt panel in a round shape with a circumferentially closed edge area;
• Figure 12 is a plan view of a twelfth felt plate of a twelfth wall element, wherein the twelfth felt plate is formed in a square shape with a three-sided closed edge region and an edge region open on one side;
• Figure 13 a side view of a carrier of the twelfth
• FIG. 14 shows the twelfth wall element which is formed from the twelfth felt plate shown in FIG. 12 and the carrier shown in FIG.
• FIG. 15 is a sectional view through FIG. 14 corresponding to the section line XV-XV;
• FIG. 16 shows a thirteenth wall element, wherein a felt plate of the thirteenth wall element has a two-sided closed Rand Schemet and a two-sided open edge region;
• FIG. 17 shows a detail of a perspective view
• a fourteenth wall element which in construction corresponds to the third wall element shown in Figure 3, wherein a felt plate has three island areas;
• FIG. 18 shows a detail of a perspective view
• a fifteenth wall element which in construction corresponds to the third wall element shown in Figure 3, wherein a felt plate has three island regions;
• FIG. 19 shows a detail of a perspective view
• a sixteenth wall element which corresponds in construction to the first wall element shown in Figure 1, wherein a felt plate is formed curved and
• FIGS. 20a-201 show further alternative embodiments of FIG.
• Wall elements or their individual layers are
• FIG. 1 is a perspective view of a
• Section of a first wall element 1 shown which comprises a first felt plate 2, wherein the felt plate 2 a corrugated felt layer 21 and two plane felt layers 11, 12th shows.
• the first plane felt layer 11 forms a top layer OS
• the second plane felt layer 12 forms a bottom layer US
• the corrugated felt layer 21 forms a middle layer MS.
• the corrugated felt layer 21 adjacent to the topsheet OS is at its upper side 21a in the region of
• Wave crests 21b formed upper crest lines 21c connected to the upper layer OS.
• the corrugated felt layer 21 adjoining the lower layer US is at its lower side 21d in the region of the bottom formed by its wave troughs 21e
• the connections between the felt layers 11, 12 and 21 are made here by an adhesive, not shown.
• the corrugated felt layer 21 is formed into a zigzag corrugated felt layer 21 and is molded
• an island region IB which is formed by an encircling edge region R
• the corrugated felt layer 21 is flattened between the flat felt layers 11 and 12 and adhered to the entire surface thereof.
• an undeformed volume region V can be seen as formed by the three-dimensional formation of the felt layer 21 between the corrugation peaks 21b and the upper felt layer 11 and between the troughs 21e and the lower felt layer 12 each cavities H, which are parallel to each other
• the felt plate 2 has a thickness DV which is greater than a thickness DR which the felt plate 2 has in the edge region R. Together with the felt material used for the felt plate 2, these cavities H give the wall element 1 particularly good properties as a sound-absorbing component. Furthermore, the unmixed structure of the felt plate 2 simplifies recycling of
• FIG 2 is a perspective view of a
• Section of a second wall member 51 shown which comprises a second felt plate 52, wherein the felt plate 52 in a volume region V, a corrugated felt layer 71 and two plane felt layers 61, 62 shows.
• the wall element 51 is comparable to the wall element shown in FIG executed. Only the corrugated felt layer 71 is in
• a third wall element 101 which comprises a third felt plate 102, wherein the felt plate 102 comprises two corrugated felt layers 121, 122 and two plane felt layers 111, 122.
• the felt plate 102 comprises two corrugated felt layers 121, 122 and two plane felt layers 111, 122.
• the plane felt layer 111 forms an upper layer OS and the plane felt layer 112 forms a lower layer US.
• the corrugated felt layers 121 and 122 form a
• the felt layer 111 and 121 and the felt layers 112 and 122 are connected in a volume region V of the wall member 101 as described for Figure 1.
• the upper corrugated felt layer 121 is dotted with lower crest lines 121f to upper crest lines 122c of the lower corrugated felt layer 122 because the crest lines 121f and 122c of the two corrugated felt layers 121 and 122 are at an angle of 90 ° to each other.
• Edge region R executed island region IBL of the wall element 101 or the felt plate 102 is formed four-ply, with all four felt layers are pressed together pressed flat.
• FIG. 4 shows a section of a perspective view
• a fourth wall element 151 which comprises a fourth felt plate 152, wherein the felt plate 152 comprises two corrugated felt layers 171, 172 and two plane felt layers 161, 162.
• the wall element 151 is designed comparable to the wall element shown in FIG. In contrast to FIG. 3, only the corrugated felt layers 171, 172 are not designed as zig-zag-shaped corrugated felt layers, but as undulating felt layers.
• a fifth wall element 201 which is a fifth felt plate 202, wherein the felt plate 202 plane three corrugated felt layers 221, 222, 223 and four
• Felt layers 211, 212, 213, 214 comprises.
• the first plane felt layer 211 forms a top layer OS
• the second plane felt layer 212 forms a bottom layer US.
• the third and fourth plane felt layers 213, 214 form intermediate layers ZS, which lie between the corrugated felt layer 221, 222, 223 and together with them form the middle layer MS.
• the felt layers 211 and 221 and the felt layers 212 and 222 are joined in a volume region V of the wall member 201 as described for FIG.
• the upper corrugated felt layer 221 is connected to lower crest lines 221f to the upper intermediate layers ZS and 213, respectively, and the lower corrugated felt layer 221 is connected to upper crest lines 222e to the lower intermediate layers ZS and 214, respectively.
• middle corrugated felt layer 223 is upper
• Felt plate 202 is formed seven layers, with all seven felt layers are pressed together pressed flat.
• Holes H of the upper and lower corrugated felt layers 221, 222 are parallel to each other. Holes H of the middle corrugated felt layer 223 are transverse to them.
• a sixth wall element 251 which comprises a sixth felt plate 252, wherein the felt plate 252 three corrugated felt layers 271, 272, 273 and four plane
• Felt layers 261, 262, 263, 264 comprises.
• the wall element 251 is designed comparable to the wall element shown in FIG. In contrast to FIG. 5, only the corrugated felt layers 271, 272, 273 are not designed as zig-zag-shaped corrugated felt layers, but as undulating felt layers.
• FIG. 7 shows a section of a perspective view of a seventh wall element 301, which comprises a seventh felt plate 302, wherein the felt plate 302 plans five corrugated felt layers 321 to 325 and six
• Felt layers 311 to 316 comprises. With regard to the structure, reference is made to the description of FIG. 5, since in the exemplary embodiment shown in FIG. 7 only one middle layer MS is widened by further corrugated layers 324, 325 and further planar layers 315, 316, the basic structure of an alternating arrangement of corrugated and planar felt layers is maintained in the middle layer MS.
• FIG. 8 shows a detail of a perspective view of an eighth wall element 351, which comprises an eighth felt plate 352, wherein the felt plate 352 planes five corrugated felt layers 371 to 375 and six
• Felt layers 361 to 366 includes.
• the wall element 351 is designed comparable to the wall element shown in FIG. In contrast to FIG. 7, only the corrugated felt layers 371 to 375 are not configured as zig-zag-shaped corrugated felt layers, but as undulating felt layers.
• FIG. 9 shows a view of a ninth wall element 401, which comprises a felt plate 402.
• the view shows a plan view of a top layer OS of the felt plate 402, which is formed of a flat felt layer 411.
• a volume region V and an island region IB1 which completely surrounds the volume region V and is designed as a peripheral region R, are clearly visible.
• the felt plate 402 has a square shape both in the volume region V and in the island region IB1.
• FIG. 10 shows a view of a tenth wall element 451, which comprises a felt plate 452.
• the view shows a plan view of a top layer OS of the felt plate 452, which is formed of a flat felt layer 451.
• a volume range V and a peripheral region R which completely surrounds the volume region V and is designed as an island region IB1.
• the felt plate 452 is triangular in both the volume region V and in the island region IBL.
• FIG. 11 shows a view of an eleventh wall element 501, which comprises a felt plate 502.
• the view shows a plan view of a top layer OS of the felt plate 502, which is formed of a flat felt layer 511.
• a volume area V and a volume area V are completely circulating, as
• the felt plate 502 is circular in both the volume region V and the island region IB1.
• FIG. 12 shows a twelfth felt plate 522 of a twelfth wall element 551, wherein the twelfth felt plate 552 is formed in a square shape and comprises an island region IB1, which is designed as a three-sided peripheral edge region Ra, so that a volume region V becomes a circumference U the felt panel 552 open to a side S552
• voids H of the felt plate 552 are open to this side.
• FIG. 13 shows a side view of a carrier T of the twelfth wall element 551. This is provided for assembly with the felt plate 552 shown in FIG.
• the carrier T is composed of a stator 581 and two rods 582 and 583 connected to the stator 581.
• the twelfth wall element 551 is shown assembled.
• the carrier T with its bars 582 and 583 on the side S552 has been inserted into the felt plate 552 such that the bars 582, 583 are guided into the cavities H (see FIG. 15) which are located in the volume region V of the felt plate 552 in FIG a middle layer MS are formed.
• the arrangement of the rod 583 in the volume region V of the felt plate 552 is as shown in FIG. 14
• the middle layer MS is is formed by a corrugated felt layer 571 which lies between two plane felt layers 561 and 562, forming a topsheet OS and a backsheet US.
• FIG. 16 shows a thirteenth wall element 601.
• the wall element 601 comprises a felt plate 602 and a carrier T, which is formed from two bars 631 and 632.
• the felt panel 602 has a volume region V and two opposite island regions IB1 and IB2 designed as edge regions Ra and Rb. Between the island regions IB1 and IB2, the volume region V on the circumference U of the felt plate 602 opens to two sides S602a, S602b.
• the upper rod 631 passes through a cavity H formed in a middle layer MS of the felt plate 602.
• the lower rod 632 passes through
• FIG. 17 shows a detail of a perspective view of a fourteenth wall element 651, which corresponds in construction to the third wall element shown in FIG. 3, wherein a felt plate 652 of the wall element 651 comprises three island regions IB1, IB2 and IB3.
• the first island region IB1 is formed as an edge region R and the second and third island regions IB2 and IB3 are each arranged as center islands in a volume region V of the felt plate 652, wherein the two island regions IB2 and IB3 are arranged mirror-symmetrically to a mirror plane SE, which is arranged between a first corrugated felt layer 671 and a second corrugated felt layer 672.
• the two island regions IB2 and IB3 are each formed as double-sided pockets TA2a and TA2b or TA3a and TA3b, which are formed from outside, planar felt layers 661 and 662, which form a top layer OS and a backsheet US, in such a way that the corrugated layers 671 and 672 are pressed flat.
• the four felt layers 661, 662, 671 and 672 in the island areas IB2 and IB3 plan pressed and connected.
• FIG. 18 shows a detail of a perspective view of a fifteenth wall element 701, which corresponds in construction to the third wall element shown in FIG. 3 and comprises a felt plate 702.
• the wall element 701 shown in FIG. 18 also has three island regions IB1, IB2 and IB3. These are in contrast to that in FIG. 17
• the two island regions IB2 and IB3, which are formed as central islands, and which are surrounded by a volume region V of the felt plate 702, are designed in such a way that a plane felt layer 711, which forms a top layer OS, except for a plane
• Felt layer 712 which forms a backsheet US
• the two island regions IB2 and IB3 are designed such that the lower layer US remains undeformed, the corrugated layers 721 and 722 on the
• island regions IB2 and IB3 rests flat on the upper corrugated layer 721, wherein all four layers 711, 712, 721 and 722 are interconnected.
• the second and third island regions IB2 and IB3 are respectively formed as one-sided pockets TA2c and TA3c.
• FIG. 19 shows a detail of a perspective view of a sixteenth wall element 751, which in construction is the first wall element shown in FIG.
• a felt plate 752 is curved.
• the felt plate 752 is curved about an axis a which is aligned parallel to upper or lower crest lines 771c and 771f of a corrugated felt layer 771, respectively.
• a connection between top layer OS or 761 and corrugated felt layer 771 and corrugated felt layer 771 and an underlayer US or 762 produced only when the felt plate 752 is bent about the axis a.
• At least one holding means e.g. to be able to fix a screw or a nail or a hook.
• the wall elements described above are intended in particular for use as a pinboard and / or as a room divider.
• FIG. 20a shows a wall element which has a point pressure, in the region of which all the felt layers lie flat on one another and are connected to one another.
• the wall element is reinforced in the cohesion of the individual felt layers.
• it is provided to provide an opening formed as a recess within the point pressure, through which a light transmission of the
• FIG. 20b a detail is a corrugated one
• Felt layer shown which is formed as a trapezoidal corrugated in cross-section felt layer and whose apex lines are formed by crest surfaces.
• a wall element which is formed of two trapezoidal corrugated in cross-section felt layers, which are positively inserted into each other and which sections with different pressing pressure with each other are connected. This is carried out in such a way that the vertex surfaces of the two felt layers are connected to one another at a lower pressure than themselves
• Area of the apex surfaces is in particular at least 1.5 times and preferably 2 times the thickness in the region of the diagonal surfaces. This creates a wall element which has good sound-absorbing properties. It is also envisaged to embed this wall element in addition between two plane felt layers and thereby a
• FIG. 20d shows a further wall element, which consists of a corrugated felt layer shown in FIG. 20b and two planers arranged on the top and bottom sides
• Felt layers is formed, wherein the corrugated felt layer plan with their vertex surfaces with the upper and lower
• Felt layer is connected so that the geometric shape of the corrugated felt layer is stabilized.
• FIG. 20e shows a wall element which is formed from two corrugated felt layers corresponding to FIG. 20b. Here they are aligned with each other so that they coincide with a part of their crest surfaces
• Vertex surfaces are connected to the described structure.
• FIG. 20f A further wall element is described in FIG. 20f, which differs from the wall element shown in FIG. 20e in that here between the two corrugated elements Felt layers a plane felt layer is arranged, which divides the hollow tubes in half each.
• FIG. 20g Another wall element is described in FIG. 20g, which differs from the wall element shown in FIG. 20f in that here the two corrugated ones
• Felt layers are shifted from each other, so that with respect to the plane felt layer mutually extending cavities are formed, but which are further aligned in their course parallel to each other.
• FIG. 20h Another wall element is described in FIG. 20h, which differs from the wall element shown in FIG. 20f in that here the two corrugated ones
• Felt layers are rotated by 90 ° about a vertical axis against each other, wherein the vertical axis is perpendicular to the wall element.
• FIG. 20i describes a further wall element which differs from the wall element shown in FIG. 20f in that here the two corrugated elements
• Felt layers are rotated by 90 ° about a vertical axis against each other, wherein the vertical axis is perpendicular to the wall element and the upper corrugated layer has openings through which the acoustic properties and the optics are changed.
• FIG. 20j Another wall element is described in FIG. 20j, which differs from the wall element shown in FIG. 20e in that here between the corrugated elements
• Felt layer is arranged, which is opposite the de top and the lower corrugated felt layer rotated by 90 ° about a vertical axis, wherein the vertical axis is perpendicular to the wall element.
• FIG. 20k Another wall element is described in FIG. 20k, which differs from the wall element shown in FIG. 20j in that flat felt layers are additionally arranged here between the corrugated felt layers, which stabilize the wall element in that way the areas available for connection between the single layer are increased.
• FIG. 201 A further wall element is described in FIG. 201, which differs from the wall element shown in FIG. 20k in that, in this case, the upper and lower corrugated layers are shifted relative to one another analogously to the embodiment shown in FIG. 20g.
• TA2a, TA2b double-sided bag from IB2
• TA2c one-sided bag from IB2

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• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Acoustics & Sound (AREA)
• Electromagnetism (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Laminated Bodies (AREA)
• Finishing Walls (AREA)
• Floor Finish (AREA)
• Panels For Use In Building Construction (AREA)

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• 2014
  • 2014-03-18 DE DE102014003725.8A patent/DE102014003725A1/de not_active Withdrawn
  • 2014-11-12 JP JP2016538543A patent/JP2017504737A/ja active Pending
  • 2014-11-12 CA CA2927407A patent/CA2927407C/en active Active
  • 2014-11-12 CN CN201480066929.2A patent/CN106030002A/zh active Pending
  • 2014-11-12 AU AU2014361132A patent/AU2014361132B2/en not_active Ceased
  • 2014-11-12 WO PCT/EP2014/074305 patent/WO2015086244A1/de not_active Ceased
  • 2014-11-12 EP EP14798793.7A patent/EP3080363B1/de not_active Not-in-force
  • 2014-11-12 BR BR112016011688A patent/BR112016011688A2/pt not_active Application Discontinuation
  • 2014-11-12 MX MX2016007517A patent/MX377874B/es unknown
• 2016
  • 2016-06-07 US US15/175,686 patent/US10301819B2/en active Active

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