EP4089247A1 - Système de construction insonorisant - Google Patents

Système de construction insonorisant Download PDF

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Publication number
EP4089247A1
EP4089247A1 EP22172224.2A EP22172224A EP4089247A1 EP 4089247 A1 EP4089247 A1 EP 4089247A1 EP 22172224 A EP22172224 A EP 22172224A EP 4089247 A1 EP4089247 A1 EP 4089247A1
Authority
EP
European Patent Office
Prior art keywords
building
panels
mixture
crossbeams
sound
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.)
Pending
Application number
EP22172224.2A
Other languages
German (de)
English (en)
Inventor
Anton Ebner
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
Publication of EP4089247A1 publication Critical patent/EP4089247A1/fr
Pending 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
    • 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
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/745—Vegetal products, e.g. plant stems, barks
    • 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
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface
    • 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 relates to a sound-absorbing building system, in particular with panels.
  • a method of applying an insulating cellulosic fibrous material to a substrate is known EP 1 635 957 known, the method consisting in that cellulosic fibers are mixed with glue and an aqueous solution to obtain such a mixture and that the mixture is applied to a surface, the mixture comprising an additional material in the mixture which has a brightening effect prevented.
  • An acoustic coating that contains a binder and a natural fiber is made of EP 2 157 063 known, wherein the natural fiber has a fiber length of 0.1 to 5 mm and a thickness of 1.2 dtex to 4.5 dtex, a fiber length of 0.1 to 8 mm and a thickness of 4.5 dtex to 15 dtex and a Fiber length of 0.1 to 8 mm and a thickness of 15 dtex to 50 dtex.
  • EP 0 759 110 B1 describes a system for interior walls, floors and the like in buildings, comprising a first layer of rockwool fixed to a wall and the like and a second layer of cotton fibers sprayed onto the first layer of rockwool.
  • WO 2012/095562 describes a coating composition containing a mixture of natural drier-containing fibers and cellular plastic granules mixed in water.
  • the coating according to the invention which has very good acoustic properties, is formed from the coating composition by applying this composition to any substrate, in particular by spraying and curing, in particular by drying. If a special fiber base panel made of chemical paste is used as the coating base, the acoustic panel according to the invention is obtained.
  • EP 1 300 511 discloses both a method and a composition for making a thermoformable acoustic panel.
  • the panels can consist of multi-component polymer fibers or monofilament polymer fibers that are dispersed in a mineral fiber panel.
  • the polymer fibers are bonded to the mineral fibers by the action of heat, thus forming the acoustic panels.
  • That Italian patent 102017000023953 describes a system for absorbing and/or reducing sound, consisting of at least a first polyester fiber panel, called polyester panel, with a thickness between 20 mm and 150 mm and a surface area between 0.01 m 2 up to 9 m 2 and on at least one surface is covered with a mixture formed per m 2 from 140-240 g cotton mixture and 1.5 to 2.5 1 water, the cotton mixture being between 88-92% cotton fibers and between 8-12% cellulose with a fiber length of 0 ,1-2 mm with a thickness of 2-5 dtex, and a second panel has a surface between 0.4 and 2 m 2 and a thickness between 40 and 150 mm and has between 1 and 6 grooves, the grooves being one having a width between 2 and 80 mm and a length between 2-1800 mm, and the grooves are formed in the covering of the second panels and the middle of the second panels is formed by polyester, preferably by a polyester panel with a thickness between 20-30 mm and one Density between 20-50
  • the panels and systems described so far have a relatively high density and corresponding dimensions, which leads to a load on the structure and also to a loss of internal space, which can lead to a deterioration in the indoor climate or the like.
  • the aim of the present invention is to realize a sound-absorbing system that absorbs different frequencies, has a uniform surface, can be easily installed on site without the need to adapt the system to the structural conditions, and is lighter in weight and size, especially in thickness.
  • the system according to the invention consists of a support frame made of a metal profile, which is preferably arranged on a surface, an inner surface of a building.
  • the supporting frame consists of at least two crossbeams placed substantially parallel to each other at a distance of 40 to 75 cm from each other, and the supporting frame is fixed to an inner surface of a building, panels are fixed to the supporting frame, which are on the side opposite to the frame have a coating on the top facing towards the interior of the room.
  • This coating is made from a mixture of 300-700 g cotton blend and 4-6 liters of water per m 2 , the cotton blend being 80-95% cotton fibers or a blend of cotton and wood fibers 80-95% and 5-18% cellulose with a fiber length of 0.2-4 mm.
  • the panels are preferably made of polyester and have a thickness between 9 and 24.
  • the panels are attached to a support frame, e.g. B. a profiled metal or wooden frame attached.
  • the distance between the crossbeams is 40 to 75 cm. This allows the coated panel to flex and vibrate to better absorb sound.
  • the panels are spaced from the surface of the building. In this way, a chamber is created between the crossbeams, which can be partially filled with polyester fiber panels, glass fiber panels or wood fiber panels.
  • the support frame that forms the system can be part of the false ceiling.
  • FIG 1 is a structural sound absorbing system attached to an interior surface of a building 200, particularly a ceiling, with which Reference number 100 denotes.
  • the system according to the invention consists of a cross member 102, which can be connected to a false ceiling made of insulating material 202, a supporting frame 101 and a gap 105, as shown in FIGS Figures 1 and 2 shown.
  • FIGS Figures 1 and 2 shown.
  • the graphic in figure 6 shows the behavior when the panels are about 20 cm from the ceiling or are hung at a distance of about 20 cm.
  • the system 100 comprises at least two crossbeams 102 running essentially parallel to one another, between which an intermediate space 105 is formed, which is covered by a panel 103 fastened to the edges of the crossbeams 102 .
  • the panels 103 advantageously have a thickness of between 5 and 30 mm, preferably between 9 mm and 24 mm.
  • the cross beams 102 have a distance between each other of 40 cm to 75 cm. In this way, panel 103 can flex in either direction.
  • the gap 105 can be empty, as shown in the first embodiment, or filled with filler material 116, as in the second embodiment in FIG figure 4 shown.
  • the panel 103 is coated with a coating consisting of a mixture of 300-700 g cotton blend and 4-6 liters of water per m2, the cotton blend being between 80-95% cotton fibers or a mixture of 80-95% cotton fibers and wood fibers and between 5-18% cellulose with a fiber length of 0.2-4 mm.
  • the cross members 102 are arranged in a cross shape, forming rectangular ones spaces.
  • the side cross members 102 are not required.
  • the panels 103 can be screwed to the crossbeams 102 as shown in figure 1 shown, or in another embodiment z. B. be connected by attached to the panels 103 magnets. In this way, the sound-absorbing panels 103 can also be detached easily and quickly from the structure at a later point in time. This may be necessary if e.g. B. electrical elements or other elements are to be subsequently replaced on the sound-absorbing system.
  • the Figures 3 and 4 12 show a second embodiment in which the cross members 112 are attached directly to the surface of the building 200.
  • the crossbeams 112 are arranged essentially parallel to one another at a distance of 40 cm to 75 cm from one another.
  • the panels 116 are provided in polyester fibre, fiberglass and/or wood fibre. However, between the panel 113 coated with the mass 114 and the filler material and/or the panel 116 there is always a gap 115 which allows the panels 113 to flex and vibrate.
  • figure 5 1 shows a diagram in which the development of the sound absorption as a function of the frequencies is marked with X, a system according to the invention having a minimum thickness.
  • the distance between the connection of the cross members 112 to the building and the panel 113 coated with the mass 114 has a thickness of less than 5 cm, preferably less than 4.5 cm.
EP22172224.2A 2021-05-11 2022-05-09 Système de construction insonorisant Pending EP4089247A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000012008A IT202100012008A1 (it) 2021-05-11 2021-05-11 Sistema costruttivo fonoassorbente

Publications (1)

Publication Number Publication Date
EP4089247A1 true EP4089247A1 (fr) 2022-11-16

Family

ID=77317217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22172224.2A Pending EP4089247A1 (fr) 2021-05-11 2022-05-09 Système de construction insonorisant

Country Status (2)

Country Link
EP (1) EP4089247A1 (fr)
IT (1) IT202100012008A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0759110B1 (fr) 1994-05-10 1998-02-04 John Fellert Systemes d'absorption acoustique pour murs interieurs, plafonds, etc., dans des batiments, et procede de fabrication de ces systemes
EP1300511A2 (fr) 2001-09-20 2003-04-09 Armstrong World Industries, Inc. Panneau acoustique thermoformable
EP1635957A1 (fr) 2003-06-05 2006-03-22 International Cellulose Corporation Procedes d'isolation par pulverisation
EP2157063A1 (fr) 2008-08-12 2010-02-24 Johann Seiderer Enduit Acoustique
WO2012095562A1 (fr) 2011-01-12 2012-07-19 Acoustic Group Oy Revêtement et son procédé de fabrication
IT201700023953A1 (it) 2017-03-03 2018-09-03 Anton Ebner Procedimento per la realizzazione di un sistema per costruzioni fonoassorbente e pannelli per realizzare detto sistema
US20200370294A1 (en) * 2019-05-23 2020-11-26 Armstrong World Industries, Inc. Fire resistant low density acoustic panel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0759110B1 (fr) 1994-05-10 1998-02-04 John Fellert Systemes d'absorption acoustique pour murs interieurs, plafonds, etc., dans des batiments, et procede de fabrication de ces systemes
EP1300511A2 (fr) 2001-09-20 2003-04-09 Armstrong World Industries, Inc. Panneau acoustique thermoformable
EP1635957A1 (fr) 2003-06-05 2006-03-22 International Cellulose Corporation Procedes d'isolation par pulverisation
EP2157063A1 (fr) 2008-08-12 2010-02-24 Johann Seiderer Enduit Acoustique
WO2012095562A1 (fr) 2011-01-12 2012-07-19 Acoustic Group Oy Revêtement et son procédé de fabrication
IT201700023953A1 (it) 2017-03-03 2018-09-03 Anton Ebner Procedimento per la realizzazione di un sistema per costruzioni fonoassorbente e pannelli per realizzare detto sistema
US20200370294A1 (en) * 2019-05-23 2020-11-26 Armstrong World Industries, Inc. Fire resistant low density acoustic panel

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IT202100012008A1 (it) 2022-11-11

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