WO2000014353A1 - Plattenförmiges bauelement - Google Patents
Plattenförmiges bauelement Download PDFInfo
- Publication number
- WO2000014353A1 WO2000014353A1 PCT/EP1999/006386 EP9906386W WO0014353A1 WO 2000014353 A1 WO2000014353 A1 WO 2000014353A1 EP 9906386 W EP9906386 W EP 9906386W WO 0014353 A1 WO0014353 A1 WO 0014353A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- holes
- perforated
- component according
- wood
- Prior art date
Links
- 239000002023 wood Substances 0.000 claims abstract description 12
- 239000011505 plaster Substances 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 3
- 239000011343 solid material Substances 0.000 claims abstract 3
- 239000004744 fabric Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 239000000123 paper Substances 0.000 claims 1
- -1 pressboard Substances 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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
- E04B1/86—Sound-absorbing elements slab-shaped
-
- 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
- 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
- E04B2001/8476—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
- E04B2001/8485—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the opening being restricted, e.g. forming Helmoltz resonators
-
- 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
- E04B2001/8495—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the openings going through from one face to the other face of the element
Definitions
- DE 44 37 196 also discloses a sound absorber according to DE 43 15 759, in which two plates with large holes are arranged one on top of the other in such a way that small holes form a microperforation between the two plates.
- This invention is based on the idea of building micro-perforated components from any materials that resist micro-perforation by drilling, lasering or punching.
- the microperforation can also be varied within wide limits by inserting fine-grained spacing materials between the roughly perforated plates or by shifting the roughly perforated plates lying directly on top of one another.
- a sound-absorbing metal cassette is also known as a suspended false ceiling, in which one or more micro-perforated sheets arranged one behind the other at a distance extract their energy from the sound waves incident on the room side by the air in the holes as a mass together with the air between the sheets and the raw ceiling forms a complex mass-spring system with inherent friction in the small holes.
- DE 197 54 107 discloses a sound absorber consisting of microperforated foils or thin plates, several foils or plates being provided in any arrangement with respect to one another and being suspended from the ceiling of a room or horizontally or obliquely in the room.
- the small holes are accessible to the sound waves from both sides of the foils or thin plates and can thus develop their damping effect even without the excitation of a resonance mechanism.
- DE 197 10 920 and 197 30 355 an effect of overflow or flow through the microperforated foils or plates, which reinforces the sound absorption in the small holes, is also advantageously used.
- Gypsum plasterboard or wood or chipboard with relatively large holes are also known, behind which sound-absorbing material, e.g. Glass or rock wool, attached or in the case of a ceiling covering.
- the proportion of holes in the holes is usually around 30 - 90%, but can also be less down to 10%.
- Microperforated holes in thick plates e.g. Drilling 6 - 30 mm is too complex, and the small holes of about 1 mm would "grow" again with wood or plasterboard, since the wood fibers would expand into the inside of the hole and with plasterboard the fine plaster would clog the holes.
- the object of the invention is to provide a component which allows the use of microperforation at low cost when using a thick plate. This object is achieved by the plate-shaped component according to claim 1. Advantageous embodiments of this component are characterized in the subclaims.
- the present invention is concerned with the realization of a microperforation in relatively thick (approx. 6-30 mm) panels made of wood, plastic or plasterboard, either as panels or cassettes in the manner of a wall paneling or suspended ceiling or as a seamless facing shell or absorb part of a double-walled stud wall.
- Figure 1 shows z. B. how the large holes taper themselves in the manner of boreholes that were not completely carried out, according to claim 2, in one side into smaller holes with, depending on the depth of the holes, adjustable hole size.
- This type of embodiment of the invention can also be made by first drilling the holes with a large diameter drill up to e.g. about 1 mm below the surface and then completely drilled with the diameter of the microbore.
- this variant shows a solution that may be too expensive, since, based on the area affected by the sound, the proportion of the perforated area of the microperforated holes is only less than 4%, advantageously approximately 2-1%, and with this variant, too many holes with the larger diameter are drilled have to.
- Figure 2 shows another, cheaper version, in which a micro-perforated film, plate with the actually desired hole pattern is attached to the "rough" perforated plate (with large holes and a hole area percentage of 10 - 90%) in such a way that the remaining hole percentage the microperforated layer just gives the hole fraction required for absorption.
- This variant combines easily producible micro-perforated foils or thin plates made of e.g. B. plastic films, plywood or fabric with also easy to manufacture thick perforated plates with a hole percentage of 20 to 60%.
- Figure 3 shows a variant in which the thick plate carrying the actual microperforated component has been replaced by a grid made of rods or braid that also supports the plate.
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/786,120 US6675551B1 (en) | 1998-09-02 | 1999-08-31 | Plate-shaped constructional element and method |
EP99968695A EP1133604A1 (de) | 1998-09-02 | 1999-08-31 | Plattenförmiges bauelement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19839973.1 | 1998-09-02 | ||
DE19839973A DE19839973A1 (de) | 1998-09-02 | 1998-09-02 | Plattenförmiges Bauelement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000014353A1 true WO2000014353A1 (de) | 2000-03-16 |
Family
ID=7879553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/006386 WO2000014353A1 (de) | 1998-09-02 | 1999-08-31 | Plattenförmiges bauelement |
Country Status (4)
Country | Link |
---|---|
US (1) | US6675551B1 (de) |
EP (1) | EP1133604A1 (de) |
DE (1) | DE19839973A1 (de) |
WO (1) | WO2000014353A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1876308A2 (de) * | 2006-07-07 | 2008-01-09 | Akustik & Raum AG | Schallabsorbierende Vorrichtung |
EP2034100A2 (de) * | 2007-09-06 | 2009-03-11 | Erich R. Vogl | Gips-Lochplatte und Verfahren zur Herstellung einer abgehängten Decke |
EP2540926A1 (de) * | 2011-07-01 | 2013-01-02 | Akusik & Innovation GmbH | Schallabsorbierendes Element und Verfahren zur Herstellung desselben |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1161360B1 (de) * | 1999-05-06 | 2002-07-24 | FAIST Automotive GmbH & Co. KG | Schallabschirmelement, verwendung desselben und verfahren zu dessen herstellung |
FR2826608B1 (fr) * | 2001-06-29 | 2003-10-03 | Aries Ind Structure Ais | Element de decoration, comme par exemple un enjoliveur pour vehicules automobiles |
FR2832442A1 (fr) * | 2001-11-19 | 2003-05-23 | Boff Frederic | Dalle de faux plafond composite et platre |
DE10250665B4 (de) * | 2002-09-10 | 2004-08-26 | Weinmann Holzbausystemtechnik Gmbh | Verfahren zur Herstellung von Sandwich-Wandelementen |
DE102004025352A1 (de) * | 2004-05-19 | 2005-12-22 | Schako Klima Luft Ferdinand Schad Kg Zweigniederlassung Kolbingen | Wand |
ES2245240B1 (es) * | 2004-06-03 | 2007-03-16 | Consejo Sup. Investig. Cientificas. | Unidades de insercion microperforadas para su uso como absorbentes acusticos. |
EP1630311B1 (de) | 2004-08-25 | 2011-08-10 | Sabine Keggenhoff | Schallabsorbierende Vorrichtung, insbesondere zur Montage an einer Decke oder Wand |
DE102005022807B3 (de) * | 2005-05-12 | 2007-02-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schall absorbierendes Bauteil und Verwendung |
US7703243B2 (en) * | 2006-02-13 | 2010-04-27 | Usg Interiors, Inc. | Ceiling tile construction |
EP1820915A1 (de) * | 2006-02-20 | 2007-08-22 | Gerhard Kosche | Verfahren zum Herstellen von akustischen Bauplatten, sowie akustische Bauplatte |
US20070193175A1 (en) * | 2006-02-21 | 2007-08-23 | Ta-Chung Hao | Structure of decoration acoustic board |
DE202006020552U1 (de) | 2006-09-01 | 2009-01-08 | Lüderitz, Hartmut F. | Plattenförmiges Schall absorbierendes Bauelement |
EP2055850A1 (de) * | 2007-11-05 | 2009-05-06 | Rockwool International A/S | Schallabsorbierende Platte mit dekorativem Designmuster sowie Verfahren und Vorrichtung zur Herstellung der Platte |
MX2010010289A (es) * | 2008-03-21 | 2010-11-05 | Ashtech Ind L L C | Construccion de atenuacion de sonidos y sistemas de materiales. |
US9266778B2 (en) * | 2008-11-21 | 2016-02-23 | Usg Interiors, Llc | Multi-layer acoustical plaster system |
DE102009041099A1 (de) * | 2009-02-04 | 2010-09-02 | Eichhorn Gmbh & Co. Kg | Fußbodenpaneel sowie Verfahren und Vorrichtung zu dessen Herstellung |
JP5728477B2 (ja) * | 2009-07-24 | 2015-06-03 | 青鋼金属建材股▲ふん▼有限公司 | 金属板材の消音孔作製方法 |
WO2011080337A1 (de) * | 2009-12-31 | 2011-07-07 | Sgl Carbon Se | Decken- oder wandelement mit einem heiz- oder kühlregister |
JP5626995B2 (ja) * | 2011-02-15 | 2014-11-19 | 株式会社神戸製鋼所 | 吸音パネル |
CN103072589B (zh) * | 2011-12-13 | 2016-03-30 | 白国锋 | 用于高速列车行李架的微穿孔板腔体共振吸声装置 |
CN103085826B (zh) * | 2011-12-13 | 2016-06-29 | 隋富生 | 用于高速列车天花板、裙板的微穿孔弧形板吸声装置 |
CH706394A2 (de) | 2012-04-26 | 2013-10-31 | Akustik & Raum Ag | Schallabsorbierendes Element. |
DE102012105321A1 (de) * | 2012-06-19 | 2013-12-19 | Knauf Gips Kg | Schallabsorbierende Platte zur Raumgestaltung sowie zugehöriges Herstellungsverfahren |
US8770345B2 (en) * | 2012-06-27 | 2014-07-08 | Usg Interiors, Llc | Gypsum-panel acoustical monolithic ceiling |
US8684134B2 (en) | 2012-06-27 | 2014-04-01 | Usg Interiors, Llc | Gypsum-panel acoustical monolithic ceiling |
US8925677B2 (en) | 2012-06-27 | 2015-01-06 | Usg Interiors, Llc | Gypsum-panel acoustical monolithic ceiling |
US9649831B2 (en) * | 2012-10-05 | 2017-05-16 | Dirtt Environmental Solutions, Ltd | Perforated acoustic tiles |
EP2913315A1 (de) * | 2014-02-28 | 2015-09-02 | Acoustic Group OY | Verfahren zur Herstellung eines akustischen Elements und akustisches Element daraus |
EP3143222B1 (de) * | 2014-05-15 | 2019-10-16 | Knauf Gips KG | Schalldurchlässige auskleidung für akustische gipsplatten |
EP3070217A1 (de) | 2015-03-20 | 2016-09-21 | Triplaco NV | Schallabsorbierende anordnung |
US10982433B2 (en) * | 2018-06-28 | 2021-04-20 | Usg Interiors, Llc | Monolithic acoustical system |
CN108867904A (zh) * | 2018-07-06 | 2018-11-23 | 长春理工大学 | 在低频频段具有高吸声系数的薄型多层吸声板 |
US11866929B2 (en) * | 2018-12-21 | 2024-01-09 | Knauf Gips Kg | Panel coating system |
CN111335197B (zh) * | 2020-04-20 | 2024-07-23 | 深圳市双禹王声屏障工程技术有限公司 | 一种抑制型隔声屏 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3991848A (en) * | 1974-08-16 | 1976-11-16 | Frigitemp | Acoustical board |
DE9300152U1 (de) * | 1993-01-08 | 1993-03-11 | Wilhelmi Werke AG, 35633 Lahnau | Akustikplatte |
DE4315759C1 (de) | 1993-05-11 | 1994-05-05 | Fraunhofer Ges Forschung | Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil |
DE9405885U1 (de) * | 1993-04-23 | 1994-07-07 | Nitto Boseki Co., Ltd., Fukushima | Oberflächenschutz-Element aus Polycarbonat für ein schallabsorbierendes Material |
DE4312885A1 (de) | 1993-04-20 | 1994-10-27 | Fraunhofer Ges Forschung | Unterdecke |
DE9406574U1 (de) * | 1994-04-20 | 1995-01-26 | Deutsche Pittsburgh Corning GmbH, 68219 Mannheim | Bauelement zur Schalldämpfung |
DE4437196C1 (de) | 1993-05-11 | 1996-03-07 | Fraunhofer Ges Forschung | Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil |
DE29713040U1 (de) * | 1997-07-23 | 1997-11-06 | Richter furniertechnik GmbH & Co KG, 49326 Melle | Verbundplatte |
DE19754107C1 (de) | 1997-12-05 | 1999-02-25 | Fraunhofer Ges Forschung | Schallabsorber |
DE19730355C1 (de) | 1997-07-15 | 1999-03-18 | Fraunhofer Ges Forschung | Schallabsorber in Lüftungskanälen |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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DE605784C (de) | 1934-11-17 | Gunter Armin Heimbold | Warmwasserbereiter mit OElfeuerung | |
US1937889A (en) * | 1931-10-06 | 1933-12-05 | Howard Thomas Clark | Sound absorbing material |
US3769767A (en) * | 1971-07-09 | 1973-11-06 | Short Brothers & Harland Ltd | Composite panel structures |
SE420750B (sv) * | 1978-11-17 | 1981-10-26 | Ingemanssons Ingenjorsbyra Ab | Ljudisolerande byggnadselement med stor styvhet |
US4539244A (en) * | 1979-08-06 | 1985-09-03 | Rohr Industries, Inc. | Honeycomb noise attenuation structure |
US4433021A (en) * | 1982-09-22 | 1984-02-21 | Rohr Industries, Inc. | Sound attenuation sandwich panel including barrier material for corrosion control |
SE461048B (sv) * | 1987-03-02 | 1989-12-18 | Gyproc Ab | Perforerad, ljudabsorberande skiva |
DE3800656A1 (de) | 1988-01-13 | 1989-08-03 | Freudenberg Carl Fa | Hydraulisch daempfende huelsengummifeder |
US5009043A (en) * | 1990-07-12 | 1991-04-23 | Herman Miller, Inc. | Acoustic panel |
US5832685A (en) * | 1995-08-03 | 1998-11-10 | Hermanson; Lars S. | Self-supporting interior surface panel |
US5765334A (en) * | 1997-02-12 | 1998-06-16 | Vitous; Miroslav L. | Method of manufacturing porous building materials |
US6244378B1 (en) * | 1998-12-11 | 2001-06-12 | Owens Corning Fiberglas Technology, Inc. | Dual sonic character acoustic panel and systems for use thereof |
AU6623800A (en) * | 1999-08-16 | 2001-03-13 | John R. Woods | More controllable acoustic spray patch |
-
1998
- 1998-09-02 DE DE19839973A patent/DE19839973A1/de not_active Withdrawn
-
1999
- 1999-08-31 EP EP99968695A patent/EP1133604A1/de not_active Ceased
- 1999-08-31 US US09/786,120 patent/US6675551B1/en not_active Expired - Lifetime
- 1999-08-31 WO PCT/EP1999/006386 patent/WO2000014353A1/de not_active Application Discontinuation
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3991848A (en) * | 1974-08-16 | 1976-11-16 | Frigitemp | Acoustical board |
DE9300152U1 (de) * | 1993-01-08 | 1993-03-11 | Wilhelmi Werke AG, 35633 Lahnau | Akustikplatte |
DE4312885A1 (de) | 1993-04-20 | 1994-10-27 | Fraunhofer Ges Forschung | Unterdecke |
DE9405885U1 (de) * | 1993-04-23 | 1994-07-07 | Nitto Boseki Co., Ltd., Fukushima | Oberflächenschutz-Element aus Polycarbonat für ein schallabsorbierendes Material |
DE4315759C1 (de) | 1993-05-11 | 1994-05-05 | Fraunhofer Ges Forschung | Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil |
EP0699257A1 (de) | 1993-05-11 | 1996-03-06 | Fraunhofer Ges Forschung | Schallabsorbierendes glas- oder transparentes kunstglasbauteil |
DE4437196C1 (de) | 1993-05-11 | 1996-03-07 | Fraunhofer Ges Forschung | Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil |
DE9406574U1 (de) * | 1994-04-20 | 1995-01-26 | Deutsche Pittsburgh Corning GmbH, 68219 Mannheim | Bauelement zur Schalldämpfung |
DE19730355C1 (de) | 1997-07-15 | 1999-03-18 | Fraunhofer Ges Forschung | Schallabsorber in Lüftungskanälen |
DE29713040U1 (de) * | 1997-07-23 | 1997-11-06 | Richter furniertechnik GmbH & Co KG, 49326 Melle | Verbundplatte |
DE19754107C1 (de) | 1997-12-05 | 1999-02-25 | Fraunhofer Ges Forschung | Schallabsorber |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1876308A2 (de) * | 2006-07-07 | 2008-01-09 | Akustik & Raum AG | Schallabsorbierende Vorrichtung |
EP1876308A3 (de) * | 2006-07-07 | 2008-01-23 | Akustik & Raum AG | Schallabsorbierende Vorrichtung |
EP2034100A2 (de) * | 2007-09-06 | 2009-03-11 | Erich R. Vogl | Gips-Lochplatte und Verfahren zur Herstellung einer abgehängten Decke |
EP2034100A3 (de) * | 2007-09-06 | 2011-08-31 | Erich R. Vogl | Gips-Lochplatte und Verfahren zur Herstellung einer abgehängten Decke |
EP2540926A1 (de) * | 2011-07-01 | 2013-01-02 | Akusik & Innovation GmbH | Schallabsorbierendes Element und Verfahren zur Herstellung desselben |
Also Published As
Publication number | Publication date |
---|---|
DE19839973A1 (de) | 2000-03-23 |
US6675551B1 (en) | 2004-01-13 |
EP1133604A1 (de) | 2001-09-19 |
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