EP0388355B1 - Schallabsorbierende Platte für die Raumgestaltung - Google Patents

Schallabsorbierende Platte für die Raumgestaltung Download PDF

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Publication number
EP0388355B1
EP0388355B1 EP90810160A EP90810160A EP0388355B1 EP 0388355 B1 EP0388355 B1 EP 0388355B1 EP 90810160 A EP90810160 A EP 90810160A EP 90810160 A EP90810160 A EP 90810160A EP 0388355 B1 EP0388355 B1 EP 0388355B1
Authority
EP
European Patent Office
Prior art keywords
grooves
panel
panel according
sound
plate
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
EP90810160A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0388355A1 (de
Inventor
Otto Birker
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.)
Lignoform Benken AG
Original Assignee
Lignoform Benken GmbH
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 Lignoform Benken GmbH filed Critical Lignoform Benken GmbH
Publication of EP0388355A1 publication Critical patent/EP0388355A1/de
Application granted granted Critical
Publication of EP0388355B1 publication Critical patent/EP0388355B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E04B2001/849—Groove or slot type openings
    • 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

  • the invention relates to a sound absorbing panel according to the preamble of independent claim 1.
  • Sound absorbing perforated panels are well known in the art as wall coverings. This works on the principle of the Helmholtz resonators. The sound-absorbing effect of the perforated panels is based on the fact that a substantial proportion of the incident sound energy is absorbed but no longer reflected. The plates allow the sound to penetrate through holes in the interior of the wall, but do not let some of the sound penetrate out.
  • the generic GB-A-530 029 discloses a plate, for example cast from plaster, in which the holes are formed by extended pins of the mold and which has V-shaped grooves extending over the holes.
  • FR-A-1.015.972 also discloses a sound-absorbing plate in which the holes are formed by intersecting grooves on opposite side surfaces.
  • a perforated plate made of a veneered chipboard is also known.
  • the chipboard has blind holes with a comparatively large radius, while the veneer has comparatively small holes that guide the impinging sound into the blind holes.
  • the problem with this veneered chipboard is that it is expensive and complex to manufacture on the one hand and that the holes are easy on the other dirty and are difficult to clean. Since this plate is not very flexible, its application is limited accordingly.
  • the invention has for its object to provide a sound absorbing plate of the type mentioned in the preamble of claim 1, which is not only excellent sound absorbing, but also good light reflecting and allows numerous variations in the room design.
  • the plate according to the invention also shows the Helmholtz effect, but avoids expensive drilling. Measurements in Kundt's tube have an average degree of absorption ⁇ of 0.55. In the range from 500 to 2000 Hz, the degree of absorption rose from 0.6 to 0.9.
  • the plate according to the invention thus has excellent acoustic properties, particularly in the region of the mostly particularly disruptive high frequencies.
  • the millings allow the plate to be shaped and bent without closing the holes. Curved wall surfaces can thus also be clad with shaped or curved panels. The comparatively small holes are hardly visible, which is often desired.
  • the open area is preferably about 2% and the diameter of the holes is, for example, about 1 mm.
  • Such a plate reflects incident light well and is also suitable as a light reflector, for example, over a workplace with noise-producing machines, for example in a computer room.
  • the plate is largely self-cleaning.
  • the grooves are V-shaped in the area of the groove base and these grooves have approximately parallel flanks.
  • the distances between the grooves can be made smaller compared to V-shaped grooves and more holes can be created per surface.
  • the plate shown in Fig. 1a is a plywood plate with a thickness of about 7 mm.
  • the plate can also consist of a suitable plastic. Of course, lower or higher strengths are also possible.
  • FIG. 1a in connection with FIGS. 2 and 3, several parallel and straight grooves 3a and 3b are incorporated in surfaces 20a and 20b.
  • the groove depth is about 4 mm, so that there are different surfaces through square openings 5 at the intersections of the grooves.
  • the grooves have parallel flank surfaces 22 and intersecting surfaces 21.
  • the surfaces 21 form the base of the groove and intersect approximately at an angle of 90 °.
  • groove 1b shows a further plate 2, in which the grooves 4a and 4b are V-shaped in cross section.
  • the flank surfaces 11 intersect at an angle that is significantly smaller than 90 °.
  • Groove shapes for example cross-sectionally U-shaped grooves.
  • the grooves can also be curved or zigzag-shaped.
  • FIG. 4 shows a plate 2 which is fastened to a ceiling 12, for example as a ceiling covering.
  • the sound impinging on the plate in the direction of arrow 7 enters the grooves 4a through the holes 6.
  • the sound schematically represented here by the lines 8 is absorbed by the material surrounding the grooves 4a.
  • further panels according to the invention or other sound-absorbing panels can be arranged between the panel 2 and the ceiling 12.
  • the plate 1 or 2 is preferably backed with glass wool, rock wool or the like.
  • the sound emerging behind the plate 1 or 2 is scattered by the funnel-shaped grooves and can thereby penetrate particularly effectively into the sound-absorbing layer arranged behind the plate.
  • the plate 2 can be partially or completely curved.
  • the plates 1 and 2 according to the invention are very flexible thanks to the intersecting grooves, similar to a plate made of rubber.
  • An essential aspect of the invention is also that the inventive Plates 1 and 2 can be of identical design on both sides, which considerably simplifies production and use.
  • the grooves of the front surface can also have a smaller depth than the grooves of the rear surface, or can even be replaced by bores.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Finishing Walls (AREA)
EP90810160A 1989-03-17 1990-03-02 Schallabsorbierende Platte für die Raumgestaltung Expired - Lifetime EP0388355B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH993/89 1989-03-17
CH993/89A CH678201A5 (enrdf_load_stackoverflow) 1989-03-17 1989-03-17

Publications (2)

Publication Number Publication Date
EP0388355A1 EP0388355A1 (de) 1990-09-19
EP0388355B1 true EP0388355B1 (de) 1995-01-04

Family

ID=4199954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810160A Expired - Lifetime EP0388355B1 (de) 1989-03-17 1990-03-02 Schallabsorbierende Platte für die Raumgestaltung

Country Status (8)

Country Link
US (1) US5024290A (enrdf_load_stackoverflow)
EP (1) EP0388355B1 (enrdf_load_stackoverflow)
JP (1) JP3094030B2 (enrdf_load_stackoverflow)
AT (1) ATE116709T1 (enrdf_load_stackoverflow)
CH (1) CH678201A5 (enrdf_load_stackoverflow)
DE (1) DE59008161D1 (enrdf_load_stackoverflow)
DK (1) DK0388355T3 (enrdf_load_stackoverflow)
ES (1) ES2066183T3 (enrdf_load_stackoverflow)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422446A (en) * 1991-03-20 1995-06-06 Fries; Arthur Panel shaped element, specifically for sound absorbing structures and a sound absorbing installation
EP0528061A1 (de) * 1991-08-14 1993-02-24 Claus Hipp Akustikd{mmplatte
DE4241515C1 (de) * 1992-12-10 1994-06-09 Freudenberg Carl Fa Schallabsorbierende Gehäuseauskleidung
DE4414566C2 (de) * 1994-04-27 1997-11-20 Freudenberg Carl Fa Luftschalldämpfer
WO1996011464A1 (en) * 1994-10-11 1996-04-18 Nitto Boseki Co., Ltd. Sound absorption body, sound absorption plate and sound absorption unit
DE29911495U1 (de) 1998-10-06 1999-09-02 Lignoform Benken Ag, Benken Schallabsorbierende Platte für die Raumgestaltung
FR2837508B1 (fr) * 2002-03-19 2005-06-24 Ecole Polytech Mur antibruit
DE20209926U1 (de) * 2002-06-27 2002-10-24 CEKA-Büromöbelwerke C. Krause & Sohn GmbH & Co. KG, 36304 Alsfeld Schallabsorbierende Platte und Möbelstück mit einer solchen Platte
JP4050632B2 (ja) * 2003-02-24 2008-02-20 株式会社神戸製鋼所 吸音構造体
EP1508651A3 (de) 2003-08-20 2005-12-28 Diaplan Liegenschaftsverwaltungs GmbH Akustikplatte mit Rillenstruktur
KR100787297B1 (ko) * 2003-09-05 2007-12-20 가부시키가이샤 고베 세이코쇼 흡음 구조체 및 그 제조 방법
AT413121B (de) * 2004-02-24 2005-11-15 Lenz Nenning Gmbh Schalldämmendes paneel
DE502005007070D1 (de) * 2004-06-17 2009-05-28 Heimbach Gmbh & Co Kg Schalldämmeinrichtung für einen Wand-, Decken- oder Bodenbelag
US7837008B1 (en) 2005-09-27 2010-11-23 The United States Of America As Represented By The Secretary Of The Air Force Passive acoustic barrier
US20070154682A1 (en) * 2005-12-29 2007-07-05 Lear Corporation Molded sound absorber with increased surface area
CA2611542C (en) * 2006-04-27 2014-01-07 Masao Suzuki Sound insulating device
US7721847B2 (en) * 2007-03-27 2010-05-25 9 Wood, Inc. Acoustic panel
US8028791B2 (en) * 2007-05-22 2011-10-04 Owens Corning Intellectual Capital, Llc Sound reflective acoustic panel
JP5167763B2 (ja) * 2007-10-29 2013-03-21 大日本印刷株式会社 蒸着マスク及び蒸着マスクの製造方法
US7757810B2 (en) 2008-04-03 2010-07-20 Soundtech, Inc. Transparent acoustical laminate wall system and method of forming same
CN103469925A (zh) * 2013-09-10 2013-12-25 苏州岸肯电子科技有限公司 消音室的照明尖劈
CN104457970B (zh) * 2014-11-21 2018-07-06 南京琅声声学科技有限公司 一种宽频带测量用半消声箱
US11565615B2 (en) * 2020-04-28 2023-01-31 Global Ip Holdings, Llc Anti-microbial, partition divider assembly for a cart such as a golf cart
DE102023120314A1 (de) * 2023-07-31 2025-02-06 Lignotrend Gmbh & Co. Kg Verkleidungsplatte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2280631A (en) * 1938-06-16 1942-04-21 Burgess Battery Co Facing sheet for sound absorbing material
FR1015972A (fr) * 1950-04-05 1952-10-29 Dispositif et produits industriels pour absorber les sons
FR1057645A (fr) * 1951-06-08 1954-03-09 Bois de bâti à couche d'arrêt unilatérale
BE547888A (enrdf_load_stackoverflow) * 1955-05-18
US4261433A (en) * 1979-02-12 1981-04-14 Herman Miller, Inc. Acoustical-reflective ceiling construction
DE3233654C2 (de) * 1982-09-10 1986-01-16 Ewald Dörken AG, 5804 Herdecke Schallabsorbierendes Bauelement
DE3401312A1 (de) * 1984-01-17 1985-07-18 Karl Danzer KG, 7640 Kehl Schallschluckende roehrenspanplatte
US4821839A (en) * 1987-04-10 1989-04-18 Rpg Diffusor Systems, Inc. Sound absorbing diffusor
US4829728A (en) * 1987-04-14 1989-05-16 Castelli Clino T Soundproof structure for generic interior facing, and particularly for so-called open-space working, interiors

Also Published As

Publication number Publication date
JP3094030B2 (ja) 2000-10-03
ATE116709T1 (de) 1995-01-15
DE59008161D1 (de) 1995-02-16
ES2066183T3 (es) 1995-03-01
US5024290A (en) 1991-06-18
EP0388355A1 (de) 1990-09-19
CH678201A5 (enrdf_load_stackoverflow) 1991-08-15
DK0388355T3 (da) 1995-03-20
JPH02272131A (ja) 1990-11-06

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