EP0246464B1 - Schallschluckbeschichtung einer Akustikwand oder Akustikdecke - Google Patents

Schallschluckbeschichtung einer Akustikwand oder Akustikdecke Download PDF

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Publication number
EP0246464B1
EP0246464B1 EP19870106062 EP87106062A EP0246464B1 EP 0246464 B1 EP0246464 B1 EP 0246464B1 EP 19870106062 EP19870106062 EP 19870106062 EP 87106062 A EP87106062 A EP 87106062A EP 0246464 B1 EP0246464 B1 EP 0246464B1
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EP
European Patent Office
Prior art keywords
feature
sound absorber
sound
absorber according
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19870106062
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German (de)
English (en)
French (fr)
Other versions
EP0246464A1 (de
Inventor
Hans Prof. Dr.-Ing. Pape
Eugen Ing. Bauer
Achim Dipl.-Ing. Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauer Eugen
Pape Hans
Original Assignee
Bauer Eugen
Pape Hans
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bauer Eugen, Pape Hans filed Critical Bauer Eugen
Priority to AT87106062T priority Critical patent/ATE58025T1/de
Publication of EP0246464A1 publication Critical patent/EP0246464A1/de
Application granted granted Critical
Publication of EP0246464B1 publication Critical patent/EP0246464B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • 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
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/045—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like being laminated
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0457—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having closed internal cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B9/0464—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having irregularities on the faces, e.g. holes, grooves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/747—Corrugated materials
    • 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
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—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
    • 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
    • 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
    • E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
    • E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element

Definitions

  • the invention relates to a sound absorber for an acoustic wall or acoustic ceiling, with an arrangement of Helmholtz resonators, in front of which an absorber plate with coupling openings is attached, the absorber plate being completely covered with a covering.
  • Acoustic walls or ceilings are used wherever reverberation regulation is required to improve audibility or to reduce noise. Physically, the sound absorption capacity of acoustic walls and ceilings is based on the fact that sound energy is converted into heat, comparable to braking a vehicle. Perforated or slotted absorber plates made of plasterboard, metal or wood fibers are arranged at a distance from the reverberant surface, for example the ceiling or wall of a room. As a result, an acoustic vibration system is formed between the reverberant surface and the air in the openings of the absorber plate, which is referred to as a Helmholtz resonator and has a high sound absorption capacity at its resonance frequency.
  • Acoustic walls or ceilings made up of absorber plates and Helmholtz resonator cavities have good sound absorption properties in the medium frequency range. Above about 1000 Hz, however, the sound absorption capacity drops. For this reason, the absorber plates are often provided with a porous sound absorption coating. The air particles moved by the sound process are effectively braked here by friction on pore walls. It goes without saying that the sound-absorbing coating must be visually appealing and insensitive. There is a tendency towards soundproofing coatings that can be laid seamlessly, both for manufacturing reasons and for optical reasons. Such a seamless sound absorption coating is also suitable for providing acoustic walls or acoustic ceilings consisting of individual absorber plates with visible and optically unattractive panel butt joints with a seamless, smooth and therefore satisfactory surface.
  • a known sound absorber of the type described above is used for noise insulation in aviation, in particular for noise insulation on aircraft engines (US-A-42 54 171).
  • This known sound absorber is made up of metallic components.
  • the covering is also made of metal.
  • a sound absorption coating known from DE-A-16 09 413 consists of a porous coating made of granular mineral material and binders.
  • the pore coating is applied by spraying to a fabric that is attached to the front of the absorber plate as an adhesion promoter and tensile reinforcement.
  • the pore coating is large porosity and is usually applied in a layer thickness of 1 to 10 mm. Applying the pore coating places high technical demands on the craftsman.
  • the desired sound absorption capacity is not always established. It is also increasingly seen as a disadvantage that the architectural possibilities are considerably restricted by the large surface structure. Another serious disadvantage is that renovation by painting or applying paint cannot be carried out if the surface is dirty and aged, because this affects the porosity and significantly reduces or even completely suppresses sound absorption.
  • the invention is based on the object of specifying a prefabricated sound-absorbing coating which can be laid seamlessly on acoustic ceilings and acoustic walls and permits architectural interior design without technical constraints and multiple renovations.
  • the covering is a paper wallpaper or a textile wallpaper made of a woven or non-woven fabric or an embossed wallpaper based on plastic materials, the wallpaper webs of which are permeable to air at least in the area of the coupling openings.
  • the wallpaper web used in accordance with the invention in connection with the covered absorber system brings just as good sound absorption properties as the known sound absorption coating made of granular mineral material.
  • the wallpaper web used as a sound absorption coating is applied to the base with known adhesives. It goes without saying that the surface of the wallpaper web must not be coated with adhesive, since the adhesive forms an air- and sound-impermeable layer.
  • the invention teaches that the wallpaper web is arranged on a staple fiber fleece or staple fiber fabric covering the absorber plate made of glass silk, mineral wool or synthetic fibers.
  • the porous intermediate layer made of fleece or fabric improves sound absorption and strength in the area of the coupling openings of the absorber plate and in particular prevents these openings from being visible through the wallpaper web.
  • the adhesive required to bond the wallpaper web to the staple fiber fleece or staple fiber fabric must not be an air-impermeable layer that seals the perforation of the wallpaper web, but must be applied so thinly that it only adheres to the individual fibers of the staple fiber fleece or staple fiber fabric and open pores remain between these fibers or an adhesive must be used which is itself porous and permeable to air.
  • the disruptive visibility of the coupling openings through the wallpaper sheet also avoid if the absorber plate has a covering staple fiber fleece or staple fiber fabric made of glass silk, mineral wool or synthetic fibers on its side adjacent to the Helmholtz resonator cavity.
  • the invention recommends in this case that a grid is arranged between the wallpaper web and the absorber plate, that acts as a tension reinforcement on the one hand to transmit forces to the wallpaper web caused by changes in length and joint movements of the absorber plates, grid means in Within the scope of the invention, both flat grid plates with punched-out openings and wide-mesh grid fabric.
  • the staple fiber fleece or staple fiber fabric arranged on the absorber plate should preferably have a thickness of 0.1 to 4 mm.
  • Wallpaper web made of air-permeable material means in particular fabrics and nonwovens with a calendered surface made of hydrophobic materials, which are also referred to as membranes and are characterized by water-repellent properties.
  • wallpaper webs of conventional design that is to say paper wallpapers, textile wallpapers, embossed wallpapers based on plastic materials. From a sound-technical point of view, particularly those wallpaper webs are recommended that have a structure similar to corrugated cardboard and wallpaper webs with a rib-shaped or wavy structured support layer on the front of which a flat decorative layer is arranged.
  • the wallpaper strips of conventional design are inherently impermeable to air.
  • Such wallpaper sheets made of air-impermeable material can, however, be used according to the invention with the proviso that they have needle-fine air passage openings and that the area proportion of the air passage openings in the total surface of the wallpaper sheet is at least 0.5%.
  • wallpaper webs provided with needle-fine air passage openings do not act as sound reflectors, such as, for example, rigid cover plates or paint coats, but on the contrary show a sound-absorbing effect in the range of all frequencies.
  • the air passage openings can also be kept so small that they are practically invisible.
  • the geometry of the air passage openings is arbitrary.
  • the air passage openings are hole-shaped and have a hole diameter of 0.1 to 2 mm, but preferably 0.2 to 2 mm.
  • the distances between the air passage openings are expediently chosen in the range from 1 to 4 mm.
  • the air passage openings are designed in the form of a slot.
  • the absorber plate with coupling openings must be matched to the Helmholtz resonator.
  • the flat perforated plate known from practice which can be designed as a gypsum plasterboard perforated plate, gypsum fiber perforated plate, chipboard perforated plate, metal perforated plate or plastic perforated plate, is rust-proof and is attached to a slatted frame or metal profile and is arranged at a distance from the reverberant boundary surface. It is also within the scope of the invention that the absorber plate is designed as a flat perforated plate with rear spacers molded onto it. An absorber plate formed with spacers formed on the rear can be placed directly on the reverberant surface.
  • the spacers formed on the perforated plate define the Helmholtz resonator cavity.
  • the integrally formed spacers are preferably made of foamed or non-foamed plastics. Cardboard, plaster or other materials are also possible.
  • the perforated plate with ribs formed on the rear from a porous sound-absorbing material which advantageously has an acoustic flow resistance of 20 to 1800 Ns / m 3 .
  • Another embodiment of the invention provides that the absorber plate is designed as a corrugated plate with sinusoidal or trapezoidal waves.
  • the absorber plate which is designed as a corrugated plate, is expediently covered on the front with a grid or a perforated plate. Due to the good mobility of rear ribbed panels, but especially corrugated panels, there are special architectural design options. Surprisingly, the acoustic wall formed from corrugated sheet or thin-walled, corrugated sheet and wallpaper web does not lag behind acoustic walls, which have an absorber plate designed as a perforated plasterboard, even in terms of sound technology.
  • the use of a wallpaper web according to the invention has a number of advantages. Since the sound absorption coating according to the invention is prefabricated in the factory, the reproducibility is the sound absorption effect is very large. The wallpaper sheet can be applied quickly and cleanly to the absorber plate. A special processing technique with special know-how is not necessary. All work can be carried out by a craftsman from the "drywall construction" division. A second branch of craftsmen, the so-called "cleaner", whose work creates a lot of dirt through the spraying process required to produce the pore-shaped sound-absorbing coating, is not required. Furthermore, there is a free design option with regard to the surface, in terms of materials, color and shapes. A particular advantage is the possibility of pulling off a wallpaper web that has become unsightly and applying a new web to carry out a complete renovation of the room in question by customizing the wallpaper without sacrificing the acoustic properties of the room and without polluting the room.
  • the basic structure includes Helmholtz Hesonator cavities 1 and an absorber plate 2 with a sound-absorbing coating 3 (FIG. 1).
  • the absorber plate 2 is fastened on a slatted frame or metal frame 4 and is arranged at a distance L from a reverberant surface 5, for example the wall or the ceiling of the room.
  • the absorber plate 2 is designed as a plasterboard plate with coupling openings 6 and a hole percentage of 20%.
  • a cavity is formed between the reverberant surface 5 and the absorber plate 2.
  • the air in the cavity forms as a spring together with the air in the openings in the absorber plate as a mass, an acoustic oscillation system called a Helmholtz resonator, which has a high absorption capacity at its resonance frequency shows and effectively improves the sound absorption ability of the absorber plate 2.
  • a sound-absorbing coating 3 is arranged in front of the coupling openings 6 of the absorber plate 2.
  • a wallpaper web is used as the sound-absorbing coating, with the proviso that the wallpaper web is porous at least in the area of the coupling openings.
  • the wallpaper web 3 is arranged on a porous intermediate layer 7 covering the absorber plate 2, wherein the porous intermediate layer 7 can be designed as a staple fiber fleece or staple fiber fabric made of glass silk, mineral wool or synthetic fibers.
  • the porous intermediate layer 7 prevents the coupling opening of the absorber plate from being visible through the wallpaper web.
  • the intermediate layer also fulfills the following tasks:
  • the staple fiber fleece or staple fiber fabric preferably has a thickness of 0.1 to 4 mm. Staple fiber fleeces or staple fiber fabrics with an external flow resistance in accordance with DIN 52 213 of 10 to 1000 N s / m 3 have proven successful .
  • wallpaper webs All common types of wallpaper can be used as wallpaper web 3.
  • Woven or needled webs with a calendered surface which are commonly used as membranes and often consist of hydrophobic materials, are suitable.
  • the acoustic flow resistance of the wallpaper web should be 10 to 1000 Ns / m 3 .
  • a wallpaper web that has a rib-shaped or undulating structure, on the front of which a flat decorative layer is arranged.
  • a wallpaper sheet made of air-impermeable material can be used according to the invention, with the proviso that the wallpaper sheet has needle-fine air passage openings 8 and that the area proportion of the air passage openings in the total surface of the wallpaper sheet is at least 0.5%.
  • the air passage openings 8 can surprisingly be kept so small that they do not attract attention.
  • a preferred sound absorption coating shown in the exemplary embodiment has hole-shaped air passage openings 8 with a hole diameter of 0.1 to 2 mm, preferably 0.2 to 2 mm. The distance between the air passage openings is advantageously 1 to 4 mm.
  • a staple fiber fleece or staple fiber fabric 9 made of glass silk, mineral wool or synthetic fibers is arranged on the underside of the absorber plate 2, which adjacent to the Helmholtz resonator cavity 1.
  • This porous layer prevents the coupling openings 6 of the absorber plate 2 from being visible through the wallpaper web 3.
  • the strength of the sound-absorbing coating is arranged between the wallpaper web 3 and the absorber plate 2, a grid 10.
  • the grid can be a fabric grid.
  • the grid can also be designed as a flat grid plate with punched-out openings.
  • This grid 10 acts as a tension reinforcement and prevents forces due to elongation and joint movements of the absorber plate 2 from being transmitted to the wallpaper web 3.
  • the wallpaper web 3 can be glued onto the grid 10 with conventional adhesives without an air and sound-impermeable continuous adhesive layer forming between the wallpaper web 3 and the absorber plate 2.
  • the adhesive is applied to the grid 10 in a known manner, for example by rolling.
  • the mesh size of the grid 10 and grid thickness is set up so that excess adhesive does not block the porous surface of the wallpaper web 3.
  • the lattice geometry is also set up in such a way that the wallpaper web 3 lies evenly on the base.
  • the embodiment of the invention shown in FIG. 2 is characterized in that a very large proportion of the area of the wallpaper web 3 actively participates in sound absorption.
  • the absorber plate 2 is designed as a corrugated plate with trapezoidal waves 11.
  • the coupling openings 6 are arranged at equidistant intervals on the end faces 12 of the corrugated plate facing away from the wallpaper web 3.
  • a support grid 10 for improving the strength or, if appropriate, a staple fiber fleece or staple fiber fabric. Due to the great mobility of the corrugated sheet, there are special architectural design options, e.g. the adaptation to arched boundary walls is easily possible.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
EP19870106062 1986-05-14 1987-04-25 Schallschluckbeschichtung einer Akustikwand oder Akustikdecke Expired - Lifetime EP0246464B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87106062T ATE58025T1 (de) 1986-05-14 1987-04-25 Schallschluckbeschichtung einer akustikwand oder akustikdecke.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3616258 1986-05-14
DE3616258 1986-05-14
DE19863643481 DE3643481A1 (de) 1986-05-14 1986-12-19 Schallschluckbeschichtung einer akustikwand oder akustikdecke
DE3643481 1986-12-19

Publications (2)

Publication Number Publication Date
EP0246464A1 EP0246464A1 (de) 1987-11-25
EP0246464B1 true EP0246464B1 (de) 1990-10-31

Family

ID=25843770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870106062 Expired - Lifetime EP0246464B1 (de) 1986-05-14 1987-04-25 Schallschluckbeschichtung einer Akustikwand oder Akustikdecke

Country Status (2)

Country Link
EP (1) EP0246464B1 (enrdf_load_stackoverflow)
DE (1) DE3643481A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160005624A (ko) * 2014-07-07 2016-01-15 서울시립대학교 산학협력단 방음벽지
US10102841B2 (en) 2014-02-11 2018-10-16 Leena Rose Wilson Acoustic absorber and use of said type of acoustic absorber

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* Cited by examiner, † Cited by third party
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DE4131394C2 (de) * 1991-09-20 1996-12-05 Pelz Ernst Empe Werke Schalldämmaterial
DE9300152U1 (de) * 1993-01-08 1993-03-11 Wilhelmi Werke AG, 35633 Lahnau Akustikplatte
DE4414566C2 (de) * 1994-04-27 1997-11-20 Freudenberg Carl Fa Luftschalldämpfer
DE4416361A1 (de) * 1994-05-09 1995-11-16 Wolf Woco & Co Franz J Lamellenabsorber
JP2815542B2 (ja) * 1994-08-31 1998-10-27 三菱電機ホーム機器株式会社 多孔質構造体を用いた吸音機構
DE29913460U1 (de) 1999-07-31 1999-09-23 BTS Bau TechnischeSysteme GmbH & Co. KG, 45731 Waltrop Vorrichtung zur Schalldämmung von Gebäudewänden aus Gitterziegeln o.dgl.
EP1252012A1 (en) * 1999-11-30 2002-10-30 Owens Corning Acoustical wall board and wall system
ATE288001T1 (de) 2000-03-20 2005-02-15 Newmat Sa Flexible polymerfolie für aufgespannte strukturen,verfahren zu deren herstellung und unterdecke mit dieser folie
DE10033373A1 (de) * 2000-07-08 2002-01-24 Richter System Gmbh & Co Kg Gipskartonplatte
RU2287645C1 (ru) * 2005-06-01 2006-11-20 Андрей Викторович Брусков Звукоизолирующая панель
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CA2645106A1 (en) * 2006-05-24 2007-11-29 Airbus Deutschland Gmbh Sandwich element for the sound-absorbing inner cladding of means of transport, especially for the sound-absorbing inner cladding of aircraft
RU2413654C2 (ru) * 2006-05-24 2011-03-10 Эйрбас Дойчланд Гмбх Многослойный элемент для звукопоглощающей внутренней обшивки транспортного средства, преимущественно самолета
US7959412B2 (en) * 2006-09-29 2011-06-14 General Electric Company Wind turbine rotor blade with acoustic lining
DE102008000500A1 (de) * 2008-03-04 2009-09-10 Voith Patent Gmbh Schallabsorbereinheit
DE102008017357B4 (de) 2008-04-04 2014-01-16 Airbus Operations Gmbh Akustisch optimiertes Kabinenwandelement und seine Verwendung
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DE3643481C2 (enrdf_load_stackoverflow) 1989-11-09
DE3643481A1 (de) 1987-11-19
EP0246464A1 (de) 1987-11-25

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