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DE19510595A1 - Sound insulation board for building interiors - Google Patents

Sound insulation board for building interiors

Info

Publication number
DE19510595A1
DE19510595A1 DE19510595A DE19510595A DE19510595A1 DE 19510595 A1 DE19510595 A1 DE 19510595A1 DE 19510595 A DE19510595 A DE 19510595A DE 19510595 A DE19510595 A DE 19510595A DE 19510595 A1 DE19510595 A1 DE 19510595A1
Authority
DE
Germany
Prior art keywords
layer
insulation board
polyethylene foam
building
foam layer
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.)
Withdrawn
Application number
DE19510595A
Other languages
German (de)
Inventor
Reinhold Lott
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19510595A priority Critical patent/DE19510595A1/en
Publication of DE19510595A1 publication Critical patent/DE19510595A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/206—Layered panels for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, 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
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Textile Engineering (AREA)
  • Building Environments (AREA)

Abstract

The insulation board consists of a rigid building plate (1) forming the outside, a polyethylene foam layer (2) glued against the plate (1) and a water-absorbing nonwoven layer stuck on the polyethylene foam layer (2) on the side facing away from the building plate (1).

Description

Die Erfindung betrifft eine Dämmplatte zum nachträglichen Befestigen auf vorhandene Wände, insbesondere zur Schall­ dämmung von Gebäudeinnenwänden.The invention relates to an insulation board for subsequent Attach to existing walls, especially for sound Insulation of building interior walls.

Vor allem bei Trennwänden in Räumen von Häusern ist oft­ mals die Schalldämmung nicht ausreichend. Um diese zu verbessern, ist es bekannt, auf vorhandene Wände Schaum­ stoffmaterial aufzubringen und dieses außenseitig durch eine Gipsbauplatte abzudecken. Die Montage einer solchen nachträglichen Schalldämmung ist jedoch relativ aufwendig und erfordert sachkundige Arbeitskräfte.Especially with partitions in rooms of houses is often sound insulation is insufficient. To this too improve, it is known to foam on existing walls apply material and this on the outside to cover a plasterboard. The assembly of such Subsequent sound insulation is relatively complex and requires skilled workers.

Es sind durch die DE-A-42 06 205 auch schon Dampfsperr­ bahnen bekannt, bei denen ein Polyethylenschaum auf einer Dampfsperrfolie aufkaschiert ist und welche bei der Mon­ tage mit der Polyethylenschaumseite mittels eines Heiß­ klebers gegen eine Fläche geklebt wird. Dieses Ankleben mittels Heißklebers kann ebenfalls nicht von Laien ausge­ führt werden und führt dazu, daß Lösungsmittel freige­ setzt werden, welche in nicht ausreichend belüfteten In­ nenräumen zu einer Belästigung oder sogar Gesundheitsge­ fährdung der Verarbeiter führen können.Due to DE-A-42 06 205 there are also vapor barriers known webs in which a polyethylene foam on a Vapor barrier film is laminated and which at Mon days with the polyethylene foam side using a hot glue is glued against a surface. This sticking Using hot glue can also not be done by laypeople leads and causes solvent to liberate which are placed in insufficiently ventilated areas to harassment or even health issues can put processors at risk.

Der Erfindung liegt das Problem zugrunde, eine Dämmplatte der eingangs genannten Art so zu gestalten, daß sie mit möglichst geringem Aufwand auch von Laien auf vorhandene Wände befestigt werden kann, ohne daß dabei eine Beein­ trächtigung der Umgebung durch Lösungsmittel auftritt.The invention is based on the problem of an insulation board of the type mentioned so that they with as little effort as possible, even from amateurs to existing ones Walls can be attached without a leg the environment is affected by solvents.

Dieses Problem wird erfindungsgemäß dadurch gelöst, daß die Dämmplatte aus einer ihre Außenseite bildenden, star­ ren Bauplatte, einer dagegen geklebten Polyethylenschaum­ schicht und einer auf der der Bauplatte abgewandten Seite gegen die Polyethylenschaumschicht geklebten wasserauf­ nehmenden Vliesschicht besteht.This problem is solved according to the invention in that the insulation board from a star forming its outside  ren building board, a glued polyethylene foam against it layer and one on the side facing away from the building board water glued against the polyethylene foam layer taking nonwoven layer.

Eine solche Dämmplatte kann mit üblichen Kaltklebern ge­ gen eine Wand geklebt werden, da die wasseraufnehmende Vliesschicht für eine gute Verbindung zwischen der Dämm­ platte und der Wand durch die Klebung sorgt. Deshalb kön­ nen solche Dämmplatten auch von Laien verlegt werden, was für die nachträgliche Schallisolation von Wänden von großer Bedeutung ist. Ein weiterer Vorteil der Möglich­ keit des Verklebens der erfindungsgemäßen Dämmplatte mit­ tels Kaltkleber liegt darin, daß diese keine Lösungsmit­ tel enthalten, welche eine Belastung für den Verarbeiter oder andere, sich im jeweiligen Raum aufhaltende Personen darstellen.Such an insulation board can be used with conventional cold adhesives against a wall because the water absorbing Fleece layer for a good connection between the insulation plate and the wall through the adhesive. Therefore, such insulation boards can also be laid by laypeople what for the subsequent sound insulation of walls by is of great importance. Another advantage of the possibility speed of gluing the insulation board according to the invention with cold adhesive is that this is no solvent tel contain, which is a burden for the processor or other people in the room represent.

Besonders kostengünstig ist die Dämmplatte herzustellen, wenn die Bauplatte eine Gipsbauplatte ist.The insulation board is particularly cost-effective to manufacture, if the building board is a gypsum building board.

Als wasseraufnehmende Vliesschicht ist ein Vlies aus Zel­ lulose am vorteilhaftesten.A nonwoven made of Zel is used as the water-absorbing nonwoven layer lulose most advantageous.

Die Verbindung zwischen der Polyethylenschaumschicht und der Bauplatte sowie der Vliesschicht und der Polyethylen­ schaumschicht besteht vorteilhafterweise aus einer Heißkleberschicht.The connection between the polyethylene foam layer and the building board as well as the fleece layer and the polyethylene Foam layer advantageously consists of a Hot glue layer.

Zur weiteren Verdeutlichung der Erfindung ist in der Zeichnung ein Schnitt durch eine Dämmplatte nach der Er­ findung dargestellt. Diese hat eine Bauplatte 1, bei der es sich um eine Gipsbauplatte handelt, wie sie beispiels­ weise unter dem Warenzeichen Rigips allgemein bekannt ist. Auf dieser Bauplatte 1 ist eine Polyethylenschaum­ schicht 2 mittels einer Heißkleberschicht 3 geklebt. Auf der der Bauplatte 1 abgewandten Seite der Dämmplatte ist mit einer weiteren Heißkleberschicht 4 eine Vliesschicht 5 aus einem wasseraufnehmenden Material, vorzugsweise Zellulose, geklebt. Als Kleber hat sich bei Wänden mit Putz ein unter dem Namen HLS55 der Firma Helmitin bekann­ ter und für Wände ohne Putz ein Kleber Helmithem FP be­ währt. Für die Kaschierung der Gipsbauplatte mit dem PE- Schaum und des PE-Schaums mit dem Vlies ist Schmelzkleber Helmithem 42112 vorteilhaft.To further illustrate the invention, a section through an insulation panel according to the invention is shown in the drawing. This has a building board 1 , which is a gypsum building board, as is well known, for example, under the trademark Rigips. On this building board 1 , a polyethylene foam layer 2 is glued by means of a hot glue layer 3 . On the side of the insulation board facing away from the building board 1, a non-woven layer 5 made of a water-absorbing material, preferably cellulose, is glued with a further hot-melt layer 4 . For walls with plaster, an adhesive known under the name HLS55 from Helmitin has proven to be an adhesive, and for walls without plaster, a Helmithem FP adhesive has proven itself. For the lamination of the plasterboard with the PE foam and the PE foam with the fleece, hot melt adhesive Helmithem 42112 is advantageous.

Claims (4)

1. Dämmplatte zum nachträglichen Befestigen auf vorhan­ dene Wände, insbesondere zur Schalldämmung von Gebäudein­ nenwänden, dadurch gekennzeichnet, daß die Dämmplatte aus einer ihre Außenseite bildenden, starren Bauplatte (1), einer dagegen geklebten Polyethylenschaumschicht (2) und einer auf der der Bauplatte (1) abgewandten Seite gegen die Polyethylenschaumschicht (2) geklebten wasseraufneh­ menden Vliesschicht (5) besteht.1. Insulation board for retrofitting to existing walls, in particular for soundproofing of building walls, characterized in that the insulation board consists of a rigid building board ( 1 ) forming its outside, a polyethylene foam layer ( 2 ) glued against it and one on the building board ( 1 ) facing away from the polyethylene foam layer ( 2 ) glued water-absorbing fleece layer ( 5 ). 2. Dämmplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Bauplatte (1) eine Gipsbauplatte ist.2. Insulation board according to claim 1, characterized in that the building board ( 1 ) is a plasterboard. 3. Dämmplatte nach den Ansprüchen 1 oder 2, dadurch ge­ kennzeichnet, daß die Vliesschicht (5) aus Zellulose be­ steht.3. Insulation board according to claims 1 or 2, characterized in that the non-woven layer ( 5 ) made of cellulose be. 4. Dämmplatte nach zumindest einem der vorangehenden An­ sprüche, dadurch gekennzeichnet, daß die Verbindung zwi­ schen der Polyethylenschaumschicht (2) und der Bauplatte (1) sowie der Vliesschicht (5) und der Polyethylenschaum­ schicht (2) aus einer Heißkleberschicht (3, 4) besteht.4. claims Insulating board according to at least one of the preceding An, characterized in that the connection rule Zvi the polyethylene foam layer (2) and the structural panel (1) and the fleece layer (5) and said polyethylene foam layer (2) made of a heat-adhesive layer (3, 4 ) consists.
DE19510595A 1995-03-23 1995-03-23 Sound insulation board for building interiors Withdrawn DE19510595A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19510595A DE19510595A1 (en) 1995-03-23 1995-03-23 Sound insulation board for building interiors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19510595A DE19510595A1 (en) 1995-03-23 1995-03-23 Sound insulation board for building interiors

Publications (1)

Publication Number Publication Date
DE19510595A1 true DE19510595A1 (en) 1996-09-26

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ID=7757485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19510595A Withdrawn DE19510595A1 (en) 1995-03-23 1995-03-23 Sound insulation board for building interiors

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DE (1) DE19510595A1 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7107351U (en) * 1972-12-07 Metallges Ag Prefabricated part
DE2452383A1 (en) * 1973-11-08 1975-05-22 Alfred Von Burg Thermal and acoustic insulation - has foam plastics moisture insulating layer with decorative surface and has adhesive bonding
DE2946129A1 (en) * 1979-11-15 1981-05-21 Rigips Baustoffwerke Gmbh & Co Kg, 3452 Bodenwerder Building board with improved fire resistance - comprising mineral fibre board bonded to gypsum
GB2115741A (en) * 1982-02-12 1983-09-14 Tecnasfalti Spa Composite sheet material including a layer of foamed plastics
DE3326672A1 (en) * 1983-07-23 1985-02-07 RWB, Boden- und Wandbelag Produktionsgesellschaft mbH, 5012 Bedburg Wall covering or ceiling covering consisting of heat-insulating, elastic and flocked carrier material
DE8535245U1 (en) * 1985-12-14 1986-04-30 Piest, Heinz Helmut, 7121 Löchgau Laminate with a layer of heat-insulating felt-like material
US4798756A (en) * 1987-01-09 1989-01-17 Toyo Tire & Rubber Company Limited Laminate structure of interior finishing material
DE9300151U1 (en) * 1993-01-08 1993-03-11 Wilhelmi Werke GmbH & Co KG, 6335 Lahnau Acoustic panel
DE4206205A1 (en) * 1992-02-06 1993-08-12 Gefinex Gmbh Rolled water proof strip - comprises foam plastic base with plastic film on one face, grooves on one edge filled with hot melt adhesive and protective strip on opposite side
DE9413478U1 (en) * 1994-08-20 1994-10-20 Mawi-Kunststofftechnik GmbH, 53604 Bad Honnef Multi-layer elastic panels for wall coverings

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7107351U (en) * 1972-12-07 Metallges Ag Prefabricated part
DE2452383A1 (en) * 1973-11-08 1975-05-22 Alfred Von Burg Thermal and acoustic insulation - has foam plastics moisture insulating layer with decorative surface and has adhesive bonding
DE2946129A1 (en) * 1979-11-15 1981-05-21 Rigips Baustoffwerke Gmbh & Co Kg, 3452 Bodenwerder Building board with improved fire resistance - comprising mineral fibre board bonded to gypsum
GB2115741A (en) * 1982-02-12 1983-09-14 Tecnasfalti Spa Composite sheet material including a layer of foamed plastics
DE3326672A1 (en) * 1983-07-23 1985-02-07 RWB, Boden- und Wandbelag Produktionsgesellschaft mbH, 5012 Bedburg Wall covering or ceiling covering consisting of heat-insulating, elastic and flocked carrier material
DE8535245U1 (en) * 1985-12-14 1986-04-30 Piest, Heinz Helmut, 7121 Löchgau Laminate with a layer of heat-insulating felt-like material
US4798756A (en) * 1987-01-09 1989-01-17 Toyo Tire & Rubber Company Limited Laminate structure of interior finishing material
DE4206205A1 (en) * 1992-02-06 1993-08-12 Gefinex Gmbh Rolled water proof strip - comprises foam plastic base with plastic film on one face, grooves on one edge filled with hot melt adhesive and protective strip on opposite side
DE9300151U1 (en) * 1993-01-08 1993-03-11 Wilhelmi Werke GmbH & Co KG, 6335 Lahnau Acoustic panel
DE9413478U1 (en) * 1994-08-20 1994-10-20 Mawi-Kunststofftechnik GmbH, 53604 Bad Honnef Multi-layer elastic panels for wall coverings

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