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EP2408976B9 - Plaque de construction à absorption acoustique - Google Patents

Plaque de construction à absorption acoustique Download PDF

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Publication number
EP2408976B9
EP2408976B9 EP09779150.3A EP09779150A EP2408976B9 EP 2408976 B9 EP2408976 B9 EP 2408976B9 EP 09779150 A EP09779150 A EP 09779150A EP 2408976 B9 EP2408976 B9 EP 2408976B9
Authority
EP
European Patent Office
Prior art keywords
sound
rear side
construction panel
panel according
perforations
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.)
Active
Application number
EP09779150.3A
Other languages
German (de)
English (en)
Other versions
EP2408976B1 (fr
EP2408976A1 (fr
Inventor
Wolfgang Ruemler
Claus-Peter Berneth
Volker Mueller
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.)
Knauf Gips KG
Original Assignee
Knauf Gips KG
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 Knauf Gips KG filed Critical Knauf Gips KG
Priority to SI200931482A priority Critical patent/SI2408976T1/sl
Publication of EP2408976A1 publication Critical patent/EP2408976A1/fr
Publication of EP2408976B1 publication Critical patent/EP2408976B1/fr
Application granted granted Critical
Publication of EP2408976B9 publication Critical patent/EP2408976B9/fr
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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
    • 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
    • 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
    • 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
    • E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • 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
    • E04B2001/8466—Solid slabs or blocks layered with an intermediate layer formed of lines or dots of elastic material
    • 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 building board, in particular for wall or ceiling mounting, with a sound source facing the front, a sound source remote from the back and a plurality of perforations extending from the front through the sound-absorbing building board to the back, the perforations back with covered at least one cover.
  • Sound absorption usually refers to the reduction of sound energy in a room. Sound absorption is the loss of sound energy when hitting boundary surfaces, objects or people in a room. The loss is mainly due to the transformation of sound into heat (dissipation).
  • the sound absorption coefficient describes the ratio of the non-reflected to the incident sound energy. This sound absorption coefficient ⁇ can be increased by the use of holes in the respective sound absorption element, such as ceiling, floor or wall panels.
  • a disadvantage of these perforated plates is that dirt particles are transported due to the air exchange allowed by the holes themselves and deposited accordingly in the area of the holes. If the interior of a facing side of the building board is covered with an air-permeable plaster that covers the holes optically, they are characterized after some time due to the air movement and the associated dirt particles transport or the associated Schmutzteilchenablagerung ugly from. The appearance of the respective structural panels, which is increasingly being used to improve the overall appearance of rooms, is thereby considerably worsened.
  • Sound-absorbing building panel in particular for wall or ceiling mounting, comprising a plasterboard with a front side facing a sound source, a rear side remote from the sound source and a plurality of perforations having a predetermined geometry, with a round cross-section and extending from the front through the gypsum board to the back, and a substantially air impermeable cover, the perforations being covered on the back with the at least one cover, the at least one back cover being glued to the back of the gypsum board of the building board US Pat. No. 3,770,560 there is disclosed a sound absorbing member in which the bonding is carried out while preventing the adhesive from penetrating into the perforations.
  • the invention has the object of demonstrating a sound-absorbing building board, in particular for wall or ceiling mounting, which on the one hand also maintains a pleasing optical appearance in the longer term and on the other hand has a satisfactory degree of sound absorption.
  • This object is achieved by a sound-absorbing building panel according to claim 1.
  • An essential point of the invention is that the back cover is not fully bonded to the back of the body of the building board and in particular in the vicinity of the holes a firm connection is at least partially omitted.
  • the sound absorption coefficient ⁇ is significantly increased compared to a full-surface connection of the cover to the base body.
  • a sound impinging on the perforated building board results in a partial lifting or swinging of the back cover not only in the area in which the holes lie, but also at least in an edge area adjacent to the holes.
  • additional energy can be transmitted from the sound pulse to the building board or the partially free-floating cover, which increases its sound absorption coefficient ⁇ .
  • An air exchange between the back and front of the building board is reduced or completely avoided, which reduces the deposition of dirt or even completely avoids, which improves the overall visual impression.
  • a portion of the base body of the building board with a perforation or a group of at least two adjacent perforations on the back so firmly connected to the cover, in particular glued, that the respective perforations are airtight enclosed by an associated mounting area on the back, wherein within the mounting area a surface portion remains which is larger than the back perforation surfaces of the respective perforations.
  • At least one of the back covers comprises at least one film, in particular a single or multilayer plastic film. This reduces the design and cost of the sound-absorbing construction panel.
  • the thickness of the at least one film is preferably 5-500 ⁇ m, more preferably 10-100 ⁇ m, even more preferably 20-50 ⁇ m, for example about 30 ⁇ m.
  • the film is preferably made of plastic, in particular polyethylene.
  • the sound-absorbing building board is covered on the front side at least in regions with at least one fiber element, in particular non-woven fabric.
  • the fiber element can serve as a basis for the application of a plaster at the same time.
  • a fastening area proportion on the total area of the rear side of the building panel, with the deduction of the rear perforation area portion is at most 90%, more preferably at most 50%, even more preferably at most 30%, in particular at most 10%.
  • the sound absorption can be further increased.
  • the sound-absorbing building board is a gypsum board, in particular plasterboard or gypsum fiber board.
  • Gypsum is a relatively inexpensive material, which further reduces the cost of the sound-absorbing construction panel.
  • At least one fastening region lies at least partially within an edge region of the rear side of the building board. This measure increases the stability of the corresponding attachment.
  • the perforations may be arranged like a grid and / or have a constant cross section. Such perforations can be made particularly easily, which further reduces the cost of the construction of the sound-absorbing construction panel.
  • the perforations may be made by a milling process or a casting process.
  • the attachment surface preferably comprises a plurality of adhesive strips, wherein in particular a first group of adhesive strips is arranged substantially vertically with respect to a second group of adhesive strips, so that a cross-pattern arrangement is present.
  • a mounting surface is easy to manufacture.
  • Fig. 1 shows a sound-absorbing building panel according to a first embodiment in a schematic view from above, wherein the viewing direction is directed perpendicular to a rear side 12 of the sound-absorbing building board.
  • the sound-absorbing building board according to Fig. 1 comprises a base body 10, which in the present case has a square basic shape and is generally formed substantially as a cuboid, but may also have other basic shapes, such as rectangular or general polygonal or round or oval basic shapes.
  • square and spatially seen cuboid perforations 11 are provided in cross section, extending from a front side 12 (see Fig. 2 ) extend to a rear side 13.
  • the perforations 11 can take any cross-section and spatially different forms. For example, the cross section of the perforations 11 from the front 12 to the back 13 (see 13 because of back Fig. 2 ) decrease.
  • the front side 12 should face a sound source in use, with the rear side 13 facing away from the sound source in use.
  • a cover 15 connects to the main body 10. Both the thickness of the cover 15 and the adhesive strip 14 in Fig. 2 are not to scale, wherein both the adhesive strip 14 and the cover 15 in a first embodiment have a significantly smaller thickness (in relation to the base body 10). In alternative embodiments, the thickness of cover 15 and tape 14 may also be about the proportions in FIG Fig. 2 correspond or even larger.
  • Fig. 1 can be removed, a first group of adhesive strips 14 with respect to a second group of adhesive strips arranged vertically, so that a total of intersecting adhesive strips are formed.
  • each perforation 11 is completely framed by two adhesive strips 14 of the first group and two adhesive strips 14 of the second group, so that the perforations 11 are substantially hermetically sealed at the rear (if the cover 15 is also substantially airtight).
  • the adhesive can also be applied in interrupted strips or only selectively.
  • the cover 15th releasably attach to the body 10.
  • the cover 15 may concretely be formed as a film, such as a plastic film (in particular polyethylene film) and have a thickness of 1 to 1000 .mu.m, preferably 5 to 100 .mu.m, more preferably 10 to 80 .mu.m and in particular 25 to 35 microns.
  • a film such as a plastic film (in particular polyethylene film) and have a thickness of 1 to 1000 .mu.m, preferably 5 to 100 .mu.m, more preferably 10 to 80 .mu.m and in particular 25 to 35 microns.
  • a fixed by the adhesive strip 14 mounting surface 16 is smaller than a base body surface 17 of the base body 10 (in particular, if one does not consider the back of the perforations 11).
  • the perforations 11 are each surrounded by a fastening region 19, which is composed of sections of two mutually perpendicular adhesive strips 14 and has a square shape.
  • the adhesive strips 14 may also assume a different shape, for example, not perpendicular to each other in two groups.
  • the attachment portions 19 may take a different form and, for example, be applied separately.
  • the main body 10 may be a gypsum board, for example a gypsum board or gypsum fiber board.
  • a gypsum board for example a gypsum board or gypsum fiber board.
  • building blocks of other construction or of other materials for example of plastic and / or metal as the main body.
  • Fig. 2 shows a section along the line II-II Fig. 1 , As Fig. 2 can be removed, with respect to the base body 10 on the front side 12, a front cover, which is concretely designed as a fiber element 20, but may also be constructed differently arranged.
  • the fiber element 20 may be formed in particular as a nonwoven fabric, for example as a glass fiber fleece.
  • a plaster (not shown in the figures) may be applied.
  • Fig. 3 shows a section analog Fig. 2 , wherein, however, the state of the cover 15 is shown schematically with an applied sound pulse (not to scale).
  • the cover 15 is freely oscillated not only on the perforations 11, but also in the edge region 18, the oscillatory portion of the cover 15 is increased and it can greater vibration amplitudes of the cover can be achieved.
  • the mounting surface 16 (see Fig. 1 ) extends not only over an edge region of the sound-absorbing building board, but also into the interior. This achieves a robust attachment.
  • a thickness of the edge region may be about 5% (10%, 15%, 20%, 30% or 40%) of a line extending radially inward from a rim 21 of the sound-absorbing building board to a center of the building board.
  • Fig. 4 shows an alternative embodiment of a sound-absorbing building panel in a schematic view of the back 13 (see with respect to the back Fig. 2 ).
  • the perforations 11 are arranged like a grid, wherein each four perforations 11 occupy a quadratic constellation to each other (square grid).
  • the difference from the embodiment according to Fig. 1 is that a total of a smaller number of adhesive strips 14 is formed. Concretely, an adhesive strip is arranged only after every second row and column of perforations. As a result, four adjacent perforations 11 each are surrounded by the associated fastening region 19.
  • the mounting surface 16 with respect to the embodiment according to Fig.
  • any number of adjacent perforations 11 can be enclosed by an associated fastening area.
  • Fig. 5 shows a sound absorption frequency diagram, wherein the sound absorption coefficient ⁇ is assigned to the vertical axis and the frequency (in Hertz) is assigned to the horizontal axis.
  • the curve 22 (in which individual measuring points are marked with squares) runs over the greater part of the frequency spectrum, especially at small and medium frequencies clearly above the curve 23 (in which individual measuring points are indicated by triangles).
  • the curve 22 corresponds to a measurement in which a sound-absorbing building panel according to the invention has been used.
  • the curve 23 corresponds to a measurement in which a corresponding cover has been glued over its entire surface to the base body.
  • the same sound-absorbing building board was used (thickness 12.5 mm, hole proportion 19.4%, 45 x 75 rows of holes, extension 1250 x 2000 mm, surface density approx. 8.12 kg / m 2 , front side) Cover glass fleece, back cover polyethylene film).
  • the measurement was carried out according to DIN standard.
  • a curve 24 (in which individual measuring points are marked with circles) corresponds to a measurement analogous to curves 22 and 23, but with the cover used is a microperforated polycarbonate film which has been glued over the entire surface of the base body.
  • a curve 25 (in which individual measuring points are indicated by diamonds) corresponds to a measurement with a polyethylene film as a cover, the other measurement parameters differing slightly in some cases from the measurements according to the curves 22 to 24 (thickness of the building board 12.5 mm, hole proportion 20.8%, 45 x 77 rows of holes, expansion 1196 x 1996 mm, areal density 8.06 kg / m 2 , front covering glass fleece).
  • the bonds according to the measurement analogous to curve 25 was punctiform and full-surface, which means that adhesive was distributed over the entire back of the body 10, but also between the corresponding adhesive areas larger spaces were available.

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

Claims (14)

  1. Plaque de construction à absorption acoustique, en particulier à monter au mur ou au plafond, comprenant une plaque de plâtre (10) avec une face avant (12) orientée vers une source de son à l'état monté, une face arrière (13) opposée à la source de son à l'état monté et une pluralité de perforations (11) qui présentent une géométrie prédéterminée, en particulier de section transversale ronde, ovale ou rectangulaire, et s'étendent de la face avant (12) à la face arrière (13) à travers la plaque de plâtre (10), et une couverture (15) sensiblement imperméable à l'air, sachant que les perforations (11) sont recouvertes côté arrière par l'au moins une couverture (15),
    sachant que l'au moins une couverture (15) côté arrière est reliée, en particulier collée, à la face arrière (13) de la plaque de plâtre (10) de la plaque de construction de telle façon qu'une surface de fixation soit d'au moins 10 % plus petite qu'une surface totale côté arrière de la face arrière (13) de la plaque de plâtre (10) en soustrayant la part côté arrière de surfaces de perforation.
  2. Plaque de construction à absorption acoustique selon la revendication 1,
    caractérisée en ce que
    l'au moins une couverture (15) côté arrière est reliée, en particulier collée, à la face arrière (13) de la plaque de plâtre (10) de la plaque de construction de telle façon que la couverture (15) puisse osciller librement dans une zone de bord (18) jouxtant un bord des perforations par rapport à au moins 50 % du bord, de préférence par rapport à 70 % du bord, en particulier sur tout le bord.
  3. Plaque de construction à absorption acoustique selon la revendication 1 ou 2,
    caractérisée en ce que
    une portion de la plaque de plâtre (10) est reliée ferrement, en particulier collée, à la couverture (15) côté arrière par une perforation ou un groupe d'au moins deux perforations contiguës de telle façon que les perforations (11) respectives soient enveloppées côté arrière de manière étanche à l'air par une zone de fixation (19) associée, sachant qu'une portion de surface qui est plus grande que les surfaces de perforation côté arrière des perforations respectives subsiste à l'intérieur de la zone de fixation (19).
  4. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    l'au moins une couverture (15) côté arrière comprend au moins un film, en particulier un film plastique.
  5. Plaque de construction à absorption acoustique selon la revendication 4,
    caractérisée en ce que
    une épaisseur de l'au moins un film soit de 5 à 500 µm, de préférence de 10 à 100 µm, de manière plus préférentielle de 20 à 50 µm, par exemple d'environ 30 µm.
  6. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    la plaque de plâtre (10) de la plaque de construction à absorption acoustique est recouverte côté avant au moins par zones par au moins un élément en fibres (20), en particulier un voile de fibres.
  7. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    une part de surface de fixation par rapport à la surface totale de la face arrière (13) du corps de base de la plaque de construction, en soustrayant la part de surfaces de perforation côté arrière, est tout au plus de 50 %, de manière plus préférentielle tout au plus de 30 %, en particulier tout au plus de 10 %.
  8. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    la plaque de plâtre (10) est une plaque de carton-plâtre ou une plaque de fibres de plâtre.
  9. Plaque de construction à absorption acoustique selon l'une des revendications 4 a 8,
    caractérisée en ce que
    le film est composé de matière synthétique, en particulier de polyéthylène.
  10. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    une colle pour la fixation de l'au moins une couverture (15) est composée d'une matière collante thermoplastique.
  11. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    la surface de fixation (16) est située au moins en partie à l'intérieur de la zone de bord de la face arrière de la plaque de construction.
  12. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    les perforations (11) sont disposées à la manière d'une trame.
  13. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    les perforations (11) présentent une section transversale constante.
  14. Plaque de construction à absorption acoustique selon l'une des revendications précédentes,
    caractérisée en ce que
    la surface de fixation (16) comprend plusieurs bandes collantes (14), sachant qu'en particulier un premier groupe de bandes collantes est disposé de manière sensiblement perpendiculaire par rapport à un deuxième groupe de bandes collantes, de sorte qu`une disposition en motif croisé soit donnée.
EP09779150.3A 2009-03-16 2009-03-16 Plaque de construction à absorption acoustique Active EP2408976B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200931482A SI2408976T1 (sl) 2009-03-16 2009-03-16 Gradbena panelna plošča za absorbiranje zvoka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/053053 WO2010105655A1 (fr) 2009-03-16 2009-03-16 Plaque de construction à absorption acoustique

Publications (3)

Publication Number Publication Date
EP2408976A1 EP2408976A1 (fr) 2012-01-25
EP2408976B1 EP2408976B1 (fr) 2016-05-11
EP2408976B9 true EP2408976B9 (fr) 2016-09-28

Family

ID=41432756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09779150.3A Active EP2408976B9 (fr) 2009-03-16 2009-03-16 Plaque de construction à absorption acoustique

Country Status (6)

Country Link
EP (1) EP2408976B9 (fr)
CN (2) CN101839025A (fr)
DK (1) DK2408976T3 (fr)
HK (1) HK1217929A1 (fr)
SI (1) SI2408976T1 (fr)
WO (1) WO2010105655A1 (fr)

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US8684134B2 (en) * 2012-06-27 2014-04-01 Usg Interiors, Llc Gypsum-panel acoustical monolithic ceiling
US8770345B2 (en) 2012-06-27 2014-07-08 Usg Interiors, Llc Gypsum-panel acoustical monolithic ceiling
US8925677B2 (en) 2012-06-27 2015-01-06 Usg Interiors, Llc Gypsum-panel acoustical monolithic ceiling
UA116234C2 (uk) * 2013-03-15 2018-02-26 Юсдж Інтеріорс, Елелсі Гіпсопанельна монолітна акустична стеля
EP3394360A1 (fr) * 2015-12-21 2018-10-31 Knauf Gips KG Panneau de cloison sèche acoustique
CN107013000B (zh) * 2016-10-14 2019-01-04 百安力钢结构应用科技有限公司 消声围护板及围护系统
CN111305406B (zh) * 2020-03-05 2021-05-04 河南科技大学 一种防风隔音板

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CN2263307Y (zh) * 1996-04-23 1997-09-24 王春生 空调器噪声消音板
ATE480395T1 (de) * 2002-03-26 2010-09-15 Ube Nitto Kasei Co Hohlstrukturplatte, herstellungsverfahren und herstellungsvorrichtung dafür
CN2673975Y (zh) * 2003-11-21 2005-01-26 王晓明 多层微孔消音透气板
NL1030971C2 (nl) * 2006-01-20 2007-07-23 Coatacoustic B V Akoestisch plaatelement, alsmede plafond of wand met een dergelijk plaatelement.

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Publication number Publication date
CN101839025A (zh) 2010-09-22
EP2408976B1 (fr) 2016-05-11
SI2408976T1 (sl) 2016-09-30
EP2408976A1 (fr) 2012-01-25
HK1217929A1 (zh) 2017-01-27
WO2010105655A1 (fr) 2010-09-23
CN105201090A (zh) 2015-12-30
DK2408976T3 (en) 2016-08-22

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