EP4159946A1 - Schalldämpfende anordnung - Google Patents

Schalldämpfende anordnung Download PDF

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Publication number
EP4159946A1
EP4159946A1 EP22195833.3A EP22195833A EP4159946A1 EP 4159946 A1 EP4159946 A1 EP 4159946A1 EP 22195833 A EP22195833 A EP 22195833A EP 4159946 A1 EP4159946 A1 EP 4159946A1
Authority
EP
European Patent Office
Prior art keywords
sound
absorbing
cover
absorbing assembly
panel
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Withdrawn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
EP22195833.3A
Other languages
English (en)
French (fr)
Inventor
Giuliana MILANI
Robertino CARNIELLI
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.)
Milani Srl
Original Assignee
Milani Srl
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 Milani Srl filed Critical Milani Srl
Publication of EP4159946A1 publication Critical patent/EP4159946A1/de
Withdrawn legal-status Critical Current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
    • E04B2001/8461—Solid slabs or blocks layered

Definitions

  • the present invention is generally applicable to the furniture and services sector and refers to elements of interior cladding, for example, of walls and ceilings.
  • the present invention refers to a sound-absorbing assembly.
  • the sound-absorbing panels are built by applying a surface decoration (a cover) to the surface of a base material having sound-absorbing performance such as, for example, a rock wool panel.
  • Such a surface decoration in a conventional sound-absorbing panel, can be made by applying a paint directly onto the sound-absorbing substrate.
  • a paint directly onto the sound-absorbing substrate.
  • a film is formed which impairs its performance, as the sound incident on the sound-absorbing panel is reflected by the paint film itself.
  • such base panels made of sound-absorbing material may be covered by applying a surface layer to the sound-absorbing substrate to form a surface coating, or by wrapping a breathable material around the panels themselves.
  • the ability of the sound-absorbing panels to absorb the sounds is greatly impaired by such coatings.
  • the conventional sound-absorbing panel has a low strength and stiffness and, therefore, the application of such coatings can lead to the bending of the panels themselves with the consequent decrease in the sound-absorbing capacity.
  • the object of the present invention is to provide a sound-absorbing assembly that allows to overcome at least partially the drawbacks highlighted above.
  • the object of the present invention is to provide a sound-absorbing assembly comprising a coating that can be coupled to a sound-absorbing panel.
  • Another object of the present invention is to provide an assembly whose coating limits, if not eliminates, the decrease in the sound-absorbing performance.
  • a further object of the present invention is to provide a sound-absorbing assembly which does not damage the structural integrity of a panel, i.e. which does not cause a decrease in the strength and in the stiffness of the latter.
  • it comprises at least one sound-absorbing panel and at least one interwoven cover stably coupled to at least one face of the sound-absorbing panel itself.
  • such a cover comprises two or more swelling elements and two or more fabrics each at least partially wrapped around the visible surface of at least one respective swelling element.
  • the assembly of the invention allows to obtain a sound-absorbing panel coupled to a cover that improves its design.
  • the fabrics of the invention are not wrapped directly on the sound-absorbing panels, so that, still advantageously, the structural integrity of the sound-absorbing panels is not altered in any way.
  • the cover takes on a rounded shape that still advantageously allows to limit the decrease in the sound-absorbing performance compared to the equivalent devices present in the prior art.
  • a sound-absorbing assembly 1 is described, as can be seen in FIG. 1 , according to the invention
  • it comprises a sound-absorbing panel 2 and an interwoven cover 4 .
  • said cover 4 is stably coupled to a face 6 of the sound-absorbing panel 2 , generally in the visible face.
  • the interwoven cover 4 as can be seen in FIG. 3 and in the detail of FIGs. 4 and 5 , comprises swelling elements 7 and fabric 8 .
  • the number of swelling elements and fabrics should not be considered limiting for different embodiments of the invention.
  • each of the swelling elements 7 is made as a single flexible body. This advantageously makes it possible to simplify the interweaving operations of the cover 4 .
  • the swelling elements comprise a plurality of non-homogeneous particles such as polystyrene balls/chips or feathers.
  • each fabric 8 is, at least partially, wrapped around the visible surface 11 of a respective swelling element 7 .
  • the interwoven cover 4 consists of the swelling elements 7 wrapped by means of fabrics 8 .
  • These swelling elements 7 advantageously allow to create a cover 4 with a rounded shape, as can be seen in FIG. 2 , which is then coated by the fabrics 8 so as to realize a particular design.
  • the typical rounded shape of the cover 4 of the assembly 1 allows, still advantageously, to limit the decrease in the sound-absorbing capacity with respect to the equivalent panels present in the prior art, since, as can be seen in the mentioned FIG. 2 , the cover 4 creates a convexity such as to direct the sound waves towards the sound-absorbing panel and, thus, not to reflect them in the environment.
  • the weave characterizing the cover 4 has, unlike the sound-absorbing panels present in the prior art, interstices 15 in the cover 4 that allow the sound waves to reach the sound-absorbing panel 2 .
  • the sound-absorbing assembly 1 of the invention allows the cover 4 to be coupled to the sound-absorbing panel 2 without compromising its structural integrity.
  • the fabrics 8 are tubular 18 shaped to contain the swelling elements 7 therein.
  • the swelling elements 7 are inserted inside the tubulars 18 , the risk of them being removed is eliminated, or at least limited.
  • the swelling elements 7 also comprise sound-absorbing material.
  • the presence of sound-absorbing material also in the swelling elements improves the capacity of the assembly 1 .
  • the fabrics 8 wrap, at least partially, also the sound-absorbing panel 2 .
  • this makes it possible to improve the coupling between the cover 4 and the panel 2 .
  • the assembly also comprises coupling means and a framework that is typically, but not necessarily, constituted by a frame.
  • These means are stably coupled to the sound-absorbing panel and are shaped to fix the assembly of the invention to a wall, or to a ceiling, so as, advantageously, to facilitate the operations of implementation of the sound-absorbing assembly of the invention.
  • the framework is stably coupled to the cover so as to stiffen it in order to advantageously avoid bendings and deformations of the swelling elements and, consequently, of the cover.
  • the assembly of the invention allows a sound-absorbing panel to be coated with a cover.
  • the cover included in the assembly of the invention is coupled to the panel without damaging its structural integrity or, in any case, limiting possible deteriorations.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
EP22195833.3A 2021-09-30 2022-09-15 Schalldämpfende anordnung Withdrawn EP4159946A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000025169A IT202100025169A1 (it) 2021-09-30 2021-09-30 Un assieme fonoassorbente

Publications (1)

Publication Number Publication Date
EP4159946A1 true EP4159946A1 (de) 2023-04-05

Family

ID=78829768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22195833.3A Withdrawn EP4159946A1 (de) 2021-09-30 2022-09-15 Schalldämpfende anordnung

Country Status (2)

Country Link
EP (1) EP4159946A1 (de)
IT (1) IT202100025169A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442347A (en) * 1944-08-26 1948-06-01 Harry N Eklund Sound and vibration damping structure
FR2480741A1 (fr) * 1980-04-18 1981-10-23 Aerospatiale Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442347A (en) * 1944-08-26 1948-06-01 Harry N Eklund Sound and vibration damping structure
FR2480741A1 (fr) * 1980-04-18 1981-10-23 Aerospatiale Couche poreuse pour structure composite destinee a l'absorption d'energie sonore et son procede de fabrication

Also Published As

Publication number Publication date
IT202100025169A1 (it) 2023-03-30

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