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DE29707702U1 - Sound absorbing furnishings - Google Patents

Sound absorbing furnishings

Info

Publication number
DE29707702U1
DE29707702U1 DE29707702U DE29707702U DE29707702U1 DE 29707702 U1 DE29707702 U1 DE 29707702U1 DE 29707702 U DE29707702 U DE 29707702U DE 29707702 U DE29707702 U DE 29707702U DE 29707702 U1 DE29707702 U1 DE 29707702U1
Authority
DE
Germany
Prior art keywords
furniture according
building board
sound
furnishings
microporous
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
DE29707702U
Other languages
German (de)
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.)
Grundstuecksentwicklungsgesellschaft Lahnau Gm De
Original Assignee
Wilhelmi Werke AG
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 Wilhelmi Werke AG filed Critical Wilhelmi Werke AG
Priority to DE29707702U priority Critical patent/DE29707702U1/en
Publication of DE29707702U1 publication Critical patent/DE29707702U1/en
Priority to EP98101275A priority patent/EP0875180A3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E04B1/8209—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 sound absorbing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/201—Edge features
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/205—Composite panels, comprising several elements joined together
    • 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
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2220/00—General furniture construction, e.g. fittings
    • A47B2220/13—Sound or noise reduction or dampening, e.g. built in via the furniture panels
    • 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
    • E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
    • 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
    • E04B2001/8442—Tray type elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Special Wing (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Description

ARNE MISSLING Dipi-mg. PATENTANWALTARNE MISSLING Dipi-mg. PATENT ATTORNEY

-2? (06 41) 9 74 60-0, 35390 Giessen-2? (06 41) 9 74 60-0, 35390 Giessen

28. April 1997
Mi/Zu 96.229GM28 April 1997
Wed/To 96,229GM

Wilhelmi Werke AG, Dr.-Hans-Wilhelmi-Weg 1
D-35633 LahnauWilhelmi Werke AG, Dr.-Hans-Wilhelmi-Weg 1
D-35633 Lahnau

Schallschluckende EinrichtungsgegenständeSound-absorbing furnishings

Beschreibung:Description:

Die Erfindung bezieht sich auf Einrichtungsgegenstände für as Räume, wie Regale, Möbel sowie Türen etc.The invention relates to furnishings for rooms, such as shelves, furniture, doors, etc.

Üblicherweise werden für Möbel, Türen etc. Bauplatten aus Metall, Holz oder Kunststoff eingesetzt, die schallhart ausgebildet sind, d. h. fast keine den Schall dämpfenden, akustisehen Eigenschaften aufweisen. Um eine Dämpfung des Schalls im Raum zu erhalten, werden dann an Decken oder Wänden Platten befestigt, die schalldämpfende Eigenschaften aufweisen. Derartige schallschluckende Bauplatten sind beispielsweise aus der EP-B 0 023 618 bekannt. Diese Bauplatten haben einenUsually, building boards made of metal, wood or plastic are used for furniture, doors, etc., which are sound-hard, i.e. have almost no sound-dampening, acoustic properties. In order to attenuate the sound in the room, boards with sound-dampening properties are then attached to the ceiling or walls. Such sound-absorbing building boards are known, for example, from EP-B 0 023 618. These building boards have a

3s Strömungswiderstand, der zwischen 10 und 1000 Rayl liegt.3s flow resistance, which is between 10 and 1000 Rayl.

Der Erfindung liegt nun die Aufgabe zugrunde, Einrichtungsgegenstände der eingangs genannten Art für Räume vorzuschlagen, die gleichfalls gute schalldämpfende Eigenschaften aufweisen und dennoch gefällig im Aussehen sind.The invention is based on the object of proposing furnishings of the type mentioned above for rooms which also have good sound-absorbing properties and yet are pleasing to the eye.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.This object is solved with the features of claim 1.

Die erfindungsgemäßen Einrichtungsgegenstände werden somit zumindest auf ihrer Vorderseite aus schallschluckenden Bauplatten hergestellt, so daß Türen, Möbel, Regale etc. selber gute schalldämpfende Eigenschaften aufweisen. Als Bauplatten können entweder Spanplatten verwendet werden, die eine mikroporöse Oberfläche oder entsprechende Bohrungen aufweisen oder aber Metallplatten, die mit Bohrungen versehen sind. Sowohl die Spanplatten wie auch die Metallplatten können mit einem mikroporösen Lack überzogen werden, der die Bohrungen verdeckt und eine einheitliche Oberfläche schafft. Sofern Spanplatten verwendet werden, muß für einen verstärkten Randbereich gesorgt werden, der entweder durch einen Rahmen aus härterem Material oder aber durch Tränken des Randbereiches der Spanplatten mit Harz oder Kunststoff erhalten werden kann.The furnishings according to the invention are thus made at least on their front from sound-absorbing building boards, so that doors, furniture, shelves, etc. themselves have good sound-absorbing properties. The building boards can be either chipboards that have a microporous surface or corresponding holes or metal plates that have holes. Both the chipboards and the metal plates can be coated with a microporous varnish that covers the holes and creates a uniform surface. If chipboards are used, a reinforced edge area must be provided, which can be achieved either by a frame made of harder material or by impregnating the edge area of the chipboards with resin or plastic.

Diese aus schalldämpfenden Material hergestellten Möbel, Türen, Regale etc. dämpfen den Schall im Raum erheblich, so daß auf eine teure Nachrüstung von Decken- oder Wandbereichen mit schalldämpfenden Platten verzichtet werden kann. Dies ist vor allem dann vorteilhaft, wenn die schlechte akustische Eigenschaft eines Raumes erst nachträglich verbessert werden soll.These furniture, doors, shelves, etc., made of sound-absorbing material, significantly dampen the sound in the room, so that expensive retrofitting of ceiling or wall areas with sound-absorbing panels is not necessary. This is particularly advantageous if the poor acoustic properties of a room are to be improved at a later date.

Ein Ausführungsbeispiel ist im folgenden anhand der Zeichnung näher beschrieben, in dieser zeigen:An embodiment is described in more detail below with reference to the drawing, in which:

Fig. 1 einen Schrank aus schalldämpfenden Bauplatten undFig. 1 a cabinet made of sound-absorbing building boards and

Fig. 2 einen Schnitt durch eine schalldämpfende Bauplatte
gemäß Fig. 1.Fig. 2 a section through a sound-absorbing building board
according to Fig. 1.

Fig. 1 zeigt in perspektivischer Ansicht einen Schrank gemäß der Erfindung. Dieser Schrank besteht in üblicher Art und Weise aus einem umlaufenden Rahmenteil 8, einer Rückwand sowie zwei Fronttüren 2. Bei diesem Ausführungsbeispiel sindFig. 1 shows a perspective view of a cabinet according to the invention. This cabinet consists in the usual way of a surrounding frame part 8, a rear wall and two front doors 2. In this embodiment,

die beiden Fronttüren aus schalldämpfenden Bauplatten 2 hergestellt, wobei Fig. 2 einen Schnitt durch eine Bauplatte zeigt, die für einen derartigen Schrank einsetzbar ist. Diese Bauplatte besteht aus einem Lochblech, das an seinen Seitenthe two front doors are made of sound-absorbing construction panels 2, where Fig. 2 shows a section through a construction panel that can be used for such a cabinet. This construction panel consists of a perforated sheet, which is

s nach innen zweifach abgekantet ist, so daß der Rand eine bestimmte Höhe aufweist und einen nach innen weisenden Ansatz hat. In diesen Innenraum wird eine mit Bohrungen versehene Bauplatte, beispielsweise eine Spanplatte eingelegt, deren Sichtseite nach außen weist. Diese Spanplatte kann auf ihrers is bent twice inwards so that the edge has a certain height and has an inward-facing shoulder. A construction board with holes, for example a chipboard, is inserted into this interior space, with the visible side facing outwards. This chipboard can be

xo Außenseite mit einem mikroporösen Lack, einem Vlies oder einem Stoff bespannt sein, d. h. einem Material, welches luftdurchlässig ist, so daß in der mikroporösen Schicht der Spanplatte die Schallenergie abgebaut werden kann. Um hier die Schalldämmung zu verbessern, ist die auf der Rückseite derxo The outside should be covered with a microporous varnish, a fleece or a fabric, i.e. a material that is permeable to air, so that the sound energy can be dissipated in the microporous layer of the chipboard. In order to improve the sound insulation here, the

is Spanplatte angeordnete Metallplatte mit Bohrungen versehen, so daß die Schallenergie in das Innere des Schrankes eintreten und hier weiter abgebaut werden kann.A metal plate arranged on the chipboard is provided with holes so that the sound energy can enter the interior of the cabinet and be further dissipated there.

Die Metallplatte dient hier für die Spanplatte zum einen als so Rückwand und zum anderen als Kantenschutz, so daß Beschädigungen der zumindest mikroporös ausgebildeten Spanplatte vermieden wird.The metal plate serves as a back wall for the chipboard and as edge protection, so that damage to the chipboard, which is at least microporous, is avoided.

Falls dies gewünscht wird, können nicht nur die Türen desIf desired, not only the doors of the

as Schrankes mit schallschluckenden Bauplatten versehen sein, sondern auch die Seitenwände und gegebenenfalls auch die Rückwand. Letzteres ist dann von Vorteil, wenn der Schrank freistehend im Raum aufgestellt werden soll. Grundsätzlich können auch Türen, Regale etc. in gleicher Art und Weise auf-the cabinet should be fitted with sound-absorbing construction panels, but also the side walls and possibly the rear wall. The latter is an advantage if the cabinet is to be set up free-standing in the room. In principle, doors, shelves, etc. can also be set up in the same way.

3&ogr; gebaut sein.3&ogr; be built.

Claims (10)

ARNE MiSSLING Dip'üng" " * PATENTANWALT &Eacgr;? (06 41) 9 74 60-0, 35390 Giessen 28. April 1997 Mi/Zu 96.229GM Wilhelmi Werke AG, Dr.-Hans-Wilhelmi-Weg 1, D-35633 Lahnau Schallschluckende Einrichtungsgegenstände Ansprüche;ARNE MiSSLING Dip'üng" " * PATENT ATTORNEY &Eacgr;? (06 41) 9 74 60-0, 35390 Giessen April 28, 1997 Mi/Zu 96.229GM Wilhelmi Werke AG, Dr.-Hans-Wilhelmi-Weg 1, D-35633 Lahnau Sound-absorbing furnishings Claims; 1. Einrichtungsgegenstände für Räume wie Regale, Möbel sowie as Türen etc., dadurch gekennzeichnet, daß die Einrichtungsgegenstände (1) aus Bauplatten aus schallschluckendem Material mit einer offenporigen und/oder gelochten Oberfläche (3) bestehen, deren umlaufende Ränder (4) mit vergleichsweise hoher Festigkeit ausgebildet sind.1. Furnishings for rooms such as shelves, furniture, doors, etc., characterized in that the furnishings (1) consist of building boards made of sound-absorbing material with an open-pored and/or perforated surface (3), the peripheral edges (4) of which are designed with comparatively high strength. 2. Einrichtungsgegenstände nach Anspruch 1, dadurch gekennzeichnet, daß die Bauplatte (2) einseitig mit einem Umleimer versehen ist.2. Furniture according to claim 1, characterized in that the building board (2) is provided with an edge band on one side. s 3. Einrichtungsgegenstände nach Anspruch 1, dadurch gekennzeichnet, daß die Bauplatte (2) im Randbereich mit einem Harz oder Kunststoff getränkt ist.s 3. Furniture according to claim 1, characterized in that the building board (2) is impregnated with a resin or plastic in the edge region. 4. Einrichtungsgegenstände nach Anspruch l, dadurch gekenn- « zeichnet, daß die Bauplatte (2) mit einem umlaufenden Rahmen (4) eingefaßt ist.4. Furniture according to claim 1, characterized in that the building board (2) is enclosed by a surrounding frame (4). 5. Einrichtungsgegenstände nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Bauplatte (2) aus einer Holzspanplatte besteht.5. Furniture according to one of claims 1 to 4, characterized in that the building board (2) consists of a wood chipboard. s 6. Einrichtungsgegenstände nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Oberfläche (3) mit einem Vlies, einem mikroporösen Lack oder einem Stoff kaschiert ist.s 6. Furniture according to one of claims 1 to 5, characterized in that the surface (3) is covered with a fleece, a microporous lacquer or a fabric. &iacgr;&ogr; 7. Einrichtungsgegenstände nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Bauplatte (2) aus einem Lochblech besteht, dessen Oberfläche mit einem mikroporösen Lack versehen ist.&iacgr;&ogr; 7. Furniture according to one of claims 1 to 4, characterized in that the building board (2) consists of a perforated sheet, the surface of which is provided with a microporous varnish. is 8. Einrichtungsgegenstände nach einem der Ansprüche 1 bis 4 und 6, dadurch gekennzeichnet, daß die Bauplatte (2) aus einem Lochblech besteht und mit einer Schallschluckschicht hinterlegt ist.is 8. Furniture according to one of claims 1 to 4 and 6, characterized in that the building board (2) consists of a perforated sheet and is backed by a sound-absorbing layer . 2&ogr; 9. Einrichtungsgegenstände nach Anspruch 8, dadurch gekennzeichnet, daß die Rückseite (6) der Bauplatte (2) verstrebt oder mittels einer Platte (5) verschlossen ist.2&ogr; 9. Furniture according to claim 8, characterized in that the back (6) of the building board (2) is braced or closed by means of a plate (5). 10. Einrichtungsgegenstände nach Anspruch 9, dadurch gekenn-2s zeichnet, daß die Platte (5) mikroporös oder mit Bohrungen (7) versehen ist.10. Furniture according to claim 9, characterized in that the plate (5) is microporous or provided with holes (7).
DE29707702U 1997-04-29 1997-04-29 Sound absorbing furnishings Expired - Lifetime DE29707702U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29707702U DE29707702U1 (en) 1997-04-29 1997-04-29 Sound absorbing furnishings
EP98101275A EP0875180A3 (en) 1997-04-29 1998-01-26 Sound absorbing furniture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29707702U DE29707702U1 (en) 1997-04-29 1997-04-29 Sound absorbing furnishings

Publications (1)

Publication Number Publication Date
DE29707702U1 true DE29707702U1 (en) 1997-07-24

Family

ID=8039687

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29707702U Expired - Lifetime DE29707702U1 (en) 1997-04-29 1997-04-29 Sound absorbing furnishings

Country Status (2)

Country Link
EP (1) EP0875180A3 (en)
DE (1) DE29707702U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039841A1 (en) * 2007-09-20 2009-03-25 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Cupboard or shelf furniture
DE102006033880B4 (en) * 2006-07-21 2009-06-25 Jochen Renz Sound absorber arrangement
FR2926308A1 (en) * 2008-01-16 2009-07-17 David Alambari Structural acoustic wave absorbing and/or insulating panel for e.g. storage cabinet of office workstation, has assembling unit for joining panels and acoustic web for forming sandwich structure
DE102011105608A1 (en) 2011-06-27 2012-12-27 Forschungsgesellschaft für Systemsicherheit und Arbeitsmedizin e.V. (FSA e.V.) Sound-absorbing arrangement for low frequencies in type of edge-absorber, is provided with ashlar-formed containers with fibrous or porous absorption material and room-sided encasing around container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525045C2 (en) * 2000-01-12 2004-11-16 Stefan Schoerling Modulated component system for the construction of furnishings, furniture and the like
DE20209926U1 (en) * 2002-06-27 2002-10-24 CEKA-Büromöbelwerke C. Krause & Sohn GmbH & Co. KG, 36304 Alsfeld Sound absorbing plate and piece of furniture with such a plate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1385132A (en) * 1964-03-10 1965-01-08 Applicazzioni Gomma Antivibran Absorbent panel for soundproofing rooms
FR2077686B1 (en) * 1970-02-05 1973-03-16 Bertin & Cie
DE2419879A1 (en) * 1974-04-24 1975-11-13 Ernst Moeckl Modular office furniture construction - has sound absorbing strong coating applied to all frontal surfaces
DE9418063U1 (en) * 1994-11-11 1995-01-19 Wilhelmi Werke GmbH & Co KG, 35633 Lahnau Component for sound absorption
DE19522363A1 (en) * 1995-06-20 1997-01-02 Combicom Ag Plate for tabletops and shelf bases

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006033880B4 (en) * 2006-07-21 2009-06-25 Jochen Renz Sound absorber arrangement
EP2039841A1 (en) * 2007-09-20 2009-03-25 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Cupboard or shelf furniture
FR2926308A1 (en) * 2008-01-16 2009-07-17 David Alambari Structural acoustic wave absorbing and/or insulating panel for e.g. storage cabinet of office workstation, has assembling unit for joining panels and acoustic web for forming sandwich structure
DE102011105608A1 (en) 2011-06-27 2012-12-27 Forschungsgesellschaft für Systemsicherheit und Arbeitsmedizin e.V. (FSA e.V.) Sound-absorbing arrangement for low frequencies in type of edge-absorber, is provided with ashlar-formed containers with fibrous or porous absorption material and room-sided encasing around container
DE102011105608B4 (en) * 2011-06-27 2020-02-27 Forschungsgesellschaft für Systemsicherheit und Arbeitsmedizin e.V. (FSA e.V.) Sound absorber arrangement for a wide frequency range with an edge absorber

Also Published As

Publication number Publication date
EP0875180A3 (en) 2001-10-17
EP0875180A2 (en) 1998-11-04

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19970904

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20000726

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20030627

R152 Utility model maintained after payment of third maintenance fee after eight years

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R081 Change of applicant/patentee

Owner name: GRUNDSTUECKSENTWICKLUNGSGESELLSCHAFT LAHNAU GM, DE

Free format text: FORMER OWNER: WILHELMI WERKE AG, 35633 LAHNAU, DE

Effective date: 20060919

R071 Expiry of right