IT201800006283A1 - WALL OR FALSE CEILING STRUCTURE, FOR IMPROVING THE ACOUSTIC PERFORMANCE OF AN INTERIOR ENVIRONMENT. - Google Patents

WALL OR FALSE CEILING STRUCTURE, FOR IMPROVING THE ACOUSTIC PERFORMANCE OF AN INTERIOR ENVIRONMENT. Download PDF

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Publication number
IT201800006283A1
IT201800006283A1 IT102018000006283A IT201800006283A IT201800006283A1 IT 201800006283 A1 IT201800006283 A1 IT 201800006283A1 IT 102018000006283 A IT102018000006283 A IT 102018000006283A IT 201800006283 A IT201800006283 A IT 201800006283A IT 201800006283 A1 IT201800006283 A1 IT 201800006283A1
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Italy
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panel
wall
structure according
external
perforated
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IT102018000006283A
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Italian (it)
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    • 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
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/10—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
    • E04B2/7403—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails with special measures for sound or thermal insulation including fire protection
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
    • E04B2/7405—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails with free upper edge, e.g. for use as office space dividers
    • 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
    • E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
    • 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
    • E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors
    • 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
    • E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
    • E04B1/994—Acoustical surfaces with adjustment mechanisms
    • 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
    • E04B2001/829—Flat elements mounted at an angle, e.g. right angle, to the supporting 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
    • E04B2001/8423—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
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered
    • 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
    • E04B2001/8485—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the opening being restricted, e.g. forming Helmoltz resonators
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating

Description

Descrizione del Brevetto per Invenzione Industriale avente per titolo: "STRUTTURA DI RIVESTIMENTO A PARETE O CONTROSOFFIT-TO, PER IL MIGLIORAMENTO DELLE PRESTAZIONI ACUSTICHE DI UN AMBIENTE INTERNO" Description of the Patent for Industrial Invention entitled: "WALL OR FALSE CEILING STRUCTURE, FOR THE IMPROVEMENT OF THE ACOUSTIC PERFORMANCE OF AN INTERIOR ENVIRONMENT"

DESCRIZIONE DESCRIPTION

Il presente trovato ha come oggetto una struttura di rivestimento a parete o controsoffitto. The present invention relates to a wall or false ceiling covering structure.

L'invenzione riguarda in particolare un sistema a pannelli per migliorare l'acustica di uno spazio interno, come ad esempio un teatro o studio. The invention relates in particular to a panel system for improving the acoustics of an interior space, such as for example a theater or studio.

Come è noto si utilizzano attualmente diversi tipi di strutture e materiali per il rivestimento di pareti, allo scopo di assorbire energia sonora incidente, diminuire l’energia sonora riflessa ed in generale per controllare le prestazioni acustiche di un ambiente. As is known, different types of structures and materials are currently used for wall cladding, in order to absorb incident sound energy, reduce reflected sound energy and in general to control the acoustic performance of an environment.

Sono per esempio noti pannelli in polvere di legno, e/o di resine sintetiche compattate, muniti di fori e di scanalature disposti in modo da assorbire l’energia sonora. For example, wood powder panels and / or compacted synthetic resins are known, equipped with holes and grooves arranged so as to absorb sound energy.

Le pannellature di tipo noto presentano tuttavia alcuni inconvenienti causati essenzialmente dalla disposizione dei fori e/o delle scanalature e dal modo in cui vengono tra loro intersecati. However, known type panels have some drawbacks essentially caused by the arrangement of the holes and / or grooves and by the way in which they are intersected.

Infatti, nelle pannellature di tipo noto, i punti di intersezione degli intagli, fori, ecc., creano delle zone eccessivamente indebolite della struttura. In fact, in known type panels, the points of intersection of the notches, holes, etc., create excessively weakened areas of the structure.

Le strutture di tipo noto descritte sopra risultano pertanto più facilmente soggette a rotture, sia in fase di trasporto sia in fase di installazione, soprattutto se gli utilizzatori non sono più che accorti nel maneggiare il prodotto. The structures of the known type described above are therefore more easily subject to breakage, both during transport and during installation, especially if the users are no more than careful in handling the product.

Per quanto riguarda l’uso delle strutture di rivestimento in ambienti quali teatri, sale da concerto e studi, oltre alle prestazioni acustiche è anche richiesto un adeguato aspetto estetico. As regards the use of cladding structures in environments such as theaters, concert halls and studios, in addition to the acoustic performance, an adequate aesthetic appearance is also required.

Il rivestimento di grandi superfici richiede inoltre che le strutture siano economiche. Large surface cladding also requires structures to be inexpensive.

Compito del presente trovato è quello di realizzare una struttura di rivestimento che permetta di realizzare molte soluzioni architettoniche con fono-assorbenza sufficiente a garantire le prestazioni acustiche richieste per l'ambiente in cui è installata. The aim of the present invention is to provide a covering structure that allows to realize many architectural solutions with sufficient sound-absorbency to guarantee the acoustic performance required for the environment in which it is installed.

Nell’ambito di questo compito, uno scopo del trovato è quello di realizzare una struttura di rivestimento particolarmente adatta all’uso in sale da concerto, teatri, studi e simili ambienti. Within this aim, an object of the invention is to provide a covering structure particularly suitable for use in concert halls, theaters, studios and similar environments.

Un altro scopo del trovato è quello di fornire una struttura di rivestimento che permetta di realizzare differenti finiture. Un ulteriore scopo del presente trovato è di fornire una struttura che possa essere prodotta utilizzando elementi e materiali di comune reperibilità in commercio e che inoltre sia competitiva da un punto di vista economico. Another object of the invention is to provide a covering structure which allows to realize different finishes. A further object of the present invention is to provide a structure which can be produced using commonly available elements and materials on the market and which is also competitive from an economic point of view.

La presente struttura, per le sue peculiari caratteristiche realizzale, è in grado di assicurare le più ampie garanzie di affidabilità e di sicurezza nell'uso. This structure, due to its particular construction characteristics, is able to ensure the widest guarantees of reliability and safety in use.

Questo ed altri scopi, che meglio appariranno evidenziati in seguito, sono raggiunti da una struttura di rivestimento a parete o controsoffitto, caratterizzata dal fatto di comprendere uno o più pannelli fonoassorbenti montati su pareti e/o a soffitto mediante mezzi di supporto; ciascun pannello fonoassorbente, comprendendo una struttura scatolare formata da pareti; ciascuna parete essendo costituita da un elemento centrale intagliato al quale sono associati due elementi esterni, un primo elemento esterno ed un secondo elemento esterno, in modo da formare una struttura unica planare. This and other purposes, which will appear more clearly in the following, are achieved by a wall or false ceiling covering structure, characterized in that it comprises one or more sound-absorbing panels mounted on walls and / or on the ceiling by means of support means; each sound-absorbing panel, comprising a box-like structure formed by walls; each wall being constituted by a carved central element to which two external elements are associated, a first external element and a second external element, so as to form a single planar structure.

Ulteriori caratteristiche e vantaggi dell'oggetto del presente trovato risulteranno maggiormente evidenziati attraverso un esame della descrizione di una forma di realizzazione preferita, ma non esclusiva, del trovato, illustrata a titolo indicativo e non limitativo nei disegni allegati, in cui: Further characteristics and advantages of the object of the present invention will become more evident through an examination of the description of a preferred, but not exclusive, embodiment of the invention, illustrated by way of non-limiting example in the attached drawings, in which:

la figura 1 è una vista prospettica in esploso di una porzione di parete utilizzata per la realizzazione di un pannello; Figure 1 is an exploded perspective view of a portion of the wall used for making a panel;

la figura 2 è una vista laterale schematica di una porzione di parete illustrante il taglio a V; Figure 2 is a schematic side view of a portion of the wall illustrating the V-cut;

la figura 3 è una vista laterale la quale illustra una fase di piegatura della parete; Figure 3 is a side view which illustrates a step of folding the wall;

la figura 4 illustra è una vista schematica laterale di un pannello formato; Figure 4 illustrates is a schematic side view of a formed panel;

la figura 5 è una vista in alzato laterale, in sezione, illustrante l’applicazione di un pannello a soffitto; Figure 5 is a sectional side elevation view illustrating the application of a ceiling panel;

la figura 6 è una vista in alzato laterale, in sezione, illustrante l'applicazione di un pannello a parete; Figure 6 is a sectional side elevation view illustrating the application of a wall panel;

la figura 7 è una vista in alzato laterale, in sezione, illustrante l’applicazione di un pannello come elemento divisorio; Figure 7 is a sectional side elevation view, illustrating the application of a panel as a dividing element;

la figura 8 è una vista in alzato laterale illustrante una sezione parziale del pannello; Figure 8 is a side elevation view illustrating a partial section of the panel;

la figura 9 è un’altra vista in alzato laterale, in sezione, illustrante l’applicazione di un pannello a soffitto; Figure 9 is another side elevation view, in section, illustrating the application of a ceiling panel;

la figura 10 è una vista frontale di un pannello montato in funzione di parete; Figure 10 is a front view of a panel mounted as a wall;

la figura 11 è una vista laterale, in sezione, del pannello della figura precedente; figure 11 is a side view, in section, of the panel of the previous figure;

la figura 12 è una vista in pianta, in sezione, del pannello della figura precedente; Figure 12 is a sectional plan view of the panel of the previous figure;

le figure 13 e 14 sono viste in sezione illustranti in dettaglio esempio di ancoraggi dei pannelli; Figures 13 and 14 are sectional views illustrating in detail an example of anchoring the panels;

la figura 15 è una vista laterale in sezione illustrante un ulteriore esempio di applicazione di un pannello a parete; Figure 15 is a sectional side view illustrating a further example of application of a wall panel;

la figura 16 è una vista in sezione ingrandita del pannello della figura precedente; Figure 16 is an enlarged sectional view of the panel of the previous figure;

la figura 17 è una vista laterale in sezione illustrante un ulteriore esempio di applicazione di un pannello a parete; Figure 17 is a sectional side view illustrating a further example of application of a wall panel;

la figura 18 è una vista in sezione ingrandita del pannello della figura precedente; Figure 18 is an enlarged sectional view of the panel of the previous figure;

la figura 19 è una vista laterale in sezione illustrante un pannello con supporto a pavimento; Figure 19 is a sectional side view illustrating a panel with floor support;

le figure 20-22 sono viste ingrandite illustranti alcuni dettagli del pannello della figura precedente; Figures 20-22 are enlarged views illustrating some details of the panel of the previous figure;

la figura 23 è una vista frontale di un pannello montato in funzione di parete; Figure 23 is a front view of a panel mounted as a wall;

la figura 24 è una vista laterale, in sezione, del pannello della figura precedente; Figure 24 is a sectional side view of the panel of the previous figure;

le figure 25-31 illustrano ulteriori esempi di ancoraggi e di forme realizzative dei pannelli secondo l’invenzione; Figures 25-31 illustrate further examples of anchors and embodiments of the panels according to the invention;

la figura 32 è una vista prospettica in esploso di una porzione di parete, utilizzata per la realizzazione di un pannello, secondo un ulteriore aspetto del trovato; Figure 32 is an exploded perspective view of a portion of the wall, used for making a panel, according to a further aspect of the invention;

la figura 33 è una vista prospettica parzialmente in spaccato della porzione di parete della figura precedente; Figure 33 is a partially cut-away perspective view of the wall portion of the previous figure;

la figura 34 è una vista prospettica della porzione di parete della figura precedente. Figure 34 is a perspective view of the wall portion of the previous figure.

Con particolare riferimento ai simboli numerici delle suddette figure, la struttura di rivestimento, secondo il trovato, comprende uno o più pannelli fonoassorbenti montati su pareti e/o a soffitto mediante mezzi di supporto. With particular reference to the numerical symbols of the aforesaid figures, the covering structure, according to the invention, comprises one or more sound-absorbing panels mounted on walls and / or on the ceiling by means of support means.

Ciascun pannello fonoassorbente, indicato genericamente con il numero di riferimento 1, comprende una struttura scatolare formata da pareti 5. Each sound-absorbing panel, generically indicated with the reference number 1, comprises a box-like structure formed by walls 5.

Ciascuna parete è costituita da un elemento centrale 2, sostanzialmente reticolare, al quale sono associati due elementi esterni forati, rispettivamente consistenti in un primo elemento esterno 3 ed in un secondo elemento esterno 4, in modo da formare una struttura unica planare le cui facce esterne possono essere eventualmente rivestite con rispettivi fogli di rivestimento o altre sistemi di rivestimento. Each wall consists of a central element 2, substantially reticular, to which two external perforated elements are associated, consisting respectively of a first external element 3 and a second external element 4, so as to form a single planar structure whose external faces they can optionally be coated with respective coating sheets or other coating systems.

Almeno un elemento esterno 3 o 4 è microforato. At least one external element 3 or 4 is microperforated.

L’elemento centrale 2, che può essere vantaggiosamente un MDF (Medium Density Fibreboard) od un altro materiale analogo, comprende una pluralità di aperture passanti, regolarmente spaziate, le quali risultano in comunicazione con i fori ricavati negli elementi esterni 3, 4. The central element 2, which can advantageously be an MDF (Medium Density Fibreboard) or other similar material, comprises a plurality of regularly spaced through openings, which are in communication with the holes made in the external elements 3, 4.

In tale modo, le onde sonore che colpiscono il pannello, da entrambi i lati, vengono rifratte nelle forature, subendo un’attenuazione. In this way, the sound waves that hit the panel, from both sides, are refracted in the holes, undergoing attenuation.

Gli elementi esterni 3 e 4 possono essere facilmente prodotti mediante le usuali tecniche di produzione di un normale MDF, ad esempio, e possono essere forate per esempio con una pressa o punzonatrice. The external elements 3 and 4 can be easily produced by the usual production techniques of a normal MDF, for example, and can be perforated for example with a press or punching machine.

L’elemento centrale e gli elementi esterni possono essere uniti tra loro mediante incollaggio. The central element and the external elements can be joined together by gluing.

Vantaggiosamente, il pannello 1 è formato tramite la piegatura di una parete 5 la quale viene tagliata con una serie di tagli a V 6 e piegata per formare un corpo scatolare. Advantageously, the panel 1 is formed by bending a wall 5 which is cut with a series of V-shaped cuts 6 and bent to form a box-like body.

L’interno del corpo scatolare è vantaggiosamente riempito con materiale fonoassorbente 10. The inside of the box-like body is advantageously filled with sound-absorbing material 10.

Nelle figure 5-30 sono mostrati alcuni esempi realizzativi della struttura di rivestimento costituita da uno o più pannelli 1 montati al soffitto 7 o su una parete 8, tramite supporti 9. Figures 5-30 show some embodiment examples of the covering structure consisting of one or more panels 1 mounted on the ceiling 7 or on a wall 8, by means of supports 9.

Il pannello 1 è vantaggiosamente autoportante è può essere montato anche in funzione di parete e/o elemento divisorio. The panel 1 is advantageously self-supporting and can also be mounted as a wall and / or dividing element.

Il pannello 1 può anche essere montato su supporti 91 atti a permettere di appoggiare il pannello sul pavimento, come schematicamente indicato nelle figure 19-22. The panel 1 can also be mounted on supports 91 suitable to allow the panel to be placed on the floor, as schematically indicated in figures 19-22.

I vari tipi di sistemi di supporto, illustrati a titolo di esempio nelle figure, permettono di montare i pannelli 1 con inclinazioni diverse e variamente distanziati dal soffitto e/o pareti in modo da conferire le caratteristiche acustiche desiderate all’ambiente. The various types of support systems, illustrated by way of example in the figures, allow the panels 1 to be mounted with different inclinations and variously spaced from the ceiling and / or walls in order to give the desired acoustic characteristics to the environment.

In ambienti confinati ogni sorgente genera un campo sonoro risultante dalla somma di due contributi: il campo sonoro diretto emesso dalla sorgente ed il campo sonoro generato dalle successive riflessioni dalle superfici che delimitano l'ambiente. In confined environments each source generates a sound field resulting from the sum of two contributions: the direct sound field emitted by the source and the sound field generated by subsequent reflections from the surfaces that delimit the environment.

Mentre il campo sonoro diretto è regolato dalla sorgente, il campo sonoro riverberato dipende dalle dimensioni e dalle caratteristiche acustiche delle superfici interne deH'ambiente. While the direct sound field is regulated by the source, the reverberated sound field depends on the size and acoustic characteristics of the interior surfaces of the room.

Per una corretta progettazione deH'ambiente sotto l'aspetto acustico è importante valutare il campo riverberato indipendentemente dal campo sonoro diretto. For a correct design of the environment under the acoustic aspect it is important to evaluate the reverberated field independently of the direct sound field.

È importante definire il coefficiente di assorbimento medio della superficie totale interna dell'ambiente, funzione dei coefficienti di assorbimento acustico delle superfici parziali. It is important to define the average absorption coefficient of the total internal surface of the environment, as a function of the acoustic absorption coefficients of the partial surfaces.

Successivamente, si definisce il tempo di riverberazione, parametro valutativo del campo sonoro riverberato in funzione del volume, della superficie totale interna e del coefficiente medio di assorbimento acustico dell'ambiente. Subsequently, the reverberation time is defined, an evaluation parameter of the reverberated sound field as a function of the volume, the total internal surface and the average acoustic absorption coefficient of the environment.

Il tempo di riverberazione è calcolabile con i suddetti parametri, risulta indipendente dalla sorgente ed è misurabile in opera. The reverberation time can be calculated with the aforementioned parameters, is independent of the source and can be measured on site.

I parametri acustici definiti sono funzioni della frequenza, espressa in bande di terzi d'ottava o d'ottava. Generalmente i campi di frequenza considerati nell'acustica ambientale sono compresi tra i terzi d'ottava da 100 Hz a 3150 Hz, ottave da 125 Hz a 2000 Hz oppure tra i terzi d'ottava da 100 Hz a 5000 Hz, ottave da 125 Hz a 4000 Hz. The defined acoustic parameters are functions of the frequency, expressed in third-octave or octave bands. Generally, the frequency ranges considered in environmental acoustics are between the third octave from 100 Hz to 3150 Hz, octave from 125 Hz to 2000 Hz or between the third octave from 100 Hz to 5000 Hz, octave from 125 Hz at 4000 Hz.

I valori di laboratorio di fonoassorbenza, in funzione della frequenza, sono normalmente compresi tra le ottave di J 25 Hz e di 4000 Hz, e solo in casi limitati compresi tra le ottave di 63 Hz e di 4000 Hz. The laboratory values of sound absorption, as a function of frequency, are normally between the octaves of J 25 Hz and 4000 Hz, and only in limited cases between the octaves of 63 Hz and 4000 Hz.

Secondo una forma realizzativa preferita del presente trovato, il pannello 1 comprende: According to a preferred embodiment of the present invention, the panel 1 comprises:

- una superficie esterna decorativa 3 in MDF avente uno spessore di 6 mm, micro-forata a laser con diametro dei fori di 0.35 mm e percentuale di foratura del 4%; - a decorative external surface 3 in MDF having a thickness of 6 mm, laser micro-perforated with a hole diameter of 0.35 mm and a percentage of perforation of 4%;

- uno strato interno 2 in MDF avente spessore 4 mm, forato quadro 8 x 8 mm e percentuale di foratura del 33%; - an internal layer 2 in MDF having a thickness of 4 mm, square perforated 8 x 8 mm and a percentage of perforation of 33%;

- una superficie interna 4 in MDF di spessore 5 mm, forata con diametro dei fori di 2 mm e percentuale di foratura 13%. - an internal surface 4 in MDF with a thickness of 5 mm, perforated with a diameter of the holes of 2 mm and a percentage of perforation 13%.

Lo spessore totale del pannello è di circa 16 mm. The total thickness of the panel is approximately 16 mm.

Le prestazioni dei pannelli dipendono dalle caratteristiche dei pannelli e dal tipo di installazione. The performance of the panels depends on the characteristics of the panels and the type of installation.

Ad esempio, il pannello può essere montato con un'intercapedine, tra pannello e superficie riflettente, di 50 mm riempita con lana minerale densità 100 kg/m<3>. For example, the panel can be mounted with a gap, between the panel and the reflecting surface, of 50 mm filled with mineral wool with a density of 100 kg / m <3>.

Pannello ed installazione determinano il coefficiente di assorbimento acustico in funzione della frequenza. Panel and installation determine the sound absorption coefficient as a function of frequency.

I risultati delle prove di laboratorio hanno dimostrato che, nel pannello realizzato con la microforatura laser del primo strato, oltre che garantire un risultato estetico non ottenibile con le forature tradizionali, il coefficiente di assorbimento acustico ha valori meglio distribuiti nel campo di frequenza in terzi d'ottava da 100 Hz a 5000 Hz, molto utile nella progettazione di ambienti acusticamente confortevoli. The results of the laboratory tests have shown that, in the panel made with the laser microperforation of the first layer, in addition to guaranteeing an aesthetic result that cannot be obtained with traditional perforations, the acoustic absorption coefficient has values better distributed in the frequency field in thirds d octave from 100 Hz to 5000 Hz, very useful in the design of acoustically comfortable environments.

Per evidenziare questo aspetto, per confronto, è stato misurato in laboratorio il pannello con il primo strato microforato ed il pannello con il primo strato forato, con medesima installazione. To highlight this aspect, for comparison, the panel with the first micro-perforated layer and the panel with the first perforated layer were measured in the laboratory, with the same installation.

I risultati delle prove evidenziano un miglioramento ottenuto con la micro foratura rispetto alla foratura tradizionale a parità di pannello e di installazione. The results of the tests show an improvement obtained with micro drilling compared to traditional drilling with the same panel and installation.

In alcuni intervalli di frequenza i coefficienti di assorbimento del pannello forato possono anche essere migliori dei coefficienti del pannello micro-forato, tuttavia il pannello micro-forato presenta una migliore distribuzione in frequenza dei valori di assorbimento acustico con un migliore indice di assorbimento acustico. In some frequency ranges the absorption coefficients of the perforated panel can even be better than the coefficients of the micro-perforated panel, however the micro-perforated panel has a better frequency distribution of the sound absorption values with a better sound absorption index.

Le figure 32-34 illustrano una porzione di parete, indicata con il numero di riferimento 105, costituita da un elemento centrale 102, che può essere vantaggiosamente un MDF (Medium Density Fibreboard) od un altro materiale analogo, il quale presenta un lato esterno accoppiato ad una lastra microforata 103, ed un lato interno accoppiato ad una lastra in tessuto non tessuto 104. Figures 32-34 illustrate a portion of the wall, indicated by the reference number 105, consisting of a central element 102, which can advantageously be an MDF (Medium Density Fibreboard) or another similar material, which has a coupled external side to a micro-perforated plate 103, and an internal side coupled to a non-woven fabric plate 104.

La lastra microforata 103 è vantaggiosamente costituita da un foglio di legno oppure da un laminato CPL (Continuous Pressure Laminate), o altro materiale idoneo. The micro-perforated plate 103 is advantageously constituted by a sheet of wood or by a CPL (Continuous Pressure Laminate) laminate, or other suitable material.

Preferibilmente, il lato esterno accoppiato alla lastra microforata 103 risulta a vista nel pannello finito, mentre il lato interno accoppiato alla lastra in tessuto non tessuto 104, risulta all’interno del pannello e non visibile. Preferably, the external side coupled to the micro-perforated plate 103 is visible in the finished panel, while the internal side coupled to the non-woven fabric plate 104, is inside the panel and not visible.

Sul lato esterno, l’elemento centrale 102 comprende una serie di scanalature longitudinali 115 mentre sul lato interno sono presenti una serie di scanalature trasversali 116 le quali intersecano parzialmente le scanalature longitudinali 115. On the external side, the central element 102 includes a series of longitudinal grooves 115 while on the internal side there are a series of transverse grooves 116 which partially intersect the longitudinal grooves 115.

Nell’esempio illustrato, le scanalature trasversali 116 del lato interno sono disposte con un angolo di 90°, rispetto alla direzione di estensione delle scanalature longitudinali 115. In the example shown, the transverse grooves 116 of the internal side are arranged at an angle of 90 °, with respect to the direction of extension of the longitudinal grooves 115.

Le scanalature 1 15 e 116 assorbono agevolmente le onde sonore che colpiscono la superficie del pannello. The grooves 1 15 and 116 easily absorb the sound waves hitting the surface of the panel.

Si è in pratica constatato come il trovato raggiunga il compito e gli scopi prefissati. In practice it has been found that the invention achieves the intended aim and objects.

Naturalmente i materiali impiegati, nonché le dimensioni, potranno essere qualsiasi secondo le esigenze. The materials used, as well as the dimensions, may of course be any according to requirements.

Claims (10)

RIVENDICAZIONI 1. Struttura di rivestimento a parete o controsoffitto, caratterizzata dal fatto di comprendere uno o più pannelli fonoassorbenti montati su pareti e/o a soffitto mediante mezzi di supporto (9, 91); ciascun pannello fonoassorbente (1), comprendendo una struttura scatolare formata da pareti (5); ciascuna parete essendo costituita da un elemento centrale (2, 102) intagliato al quale sono associati due elementi esterni, un primo elemento esterno (3, 103) ed un secondo elemento esterno (4, 104), in modo da formare una struttura unica planare. CLAIMS 1. Wall or false ceiling cladding structure, characterized in that it comprises one or more sound-absorbing panels mounted on walls and / or on the ceiling by means of support means (9, 91); each sound-absorbing panel (1), comprising a box-like structure formed by walls (5); each wall being constituted by a carved central element (2, 102) to which two external elements are associated, a first external element (3, 103) and a second external element (4, 104), so as to form a single planar structure . 2. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto che almeno un elemento esterno (3, 103) è microforato. 2. Structure according to claim 1, characterized in that at least one external element (3, 103) is microperforated. 3. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto che detto elemento centrale (2) comprende una pluralità di aperture passanti, regolarmente spaziate, le quali risultano in comunicazione con i fori ricavati negli elementi esterni (3, 4). 3. Structure according to claim 1, characterized in that said central element (2) comprises a plurality of regularly spaced through openings, which are in communication with the holes obtained in the external elements (3, 4). 4. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto di comprendere materiale fonoassorbente (10) inserito in detto corpo scatolare. 4. Structure, according to claim 1, characterized in that it comprises sound-absorbing material (10) inserted in said box-like body. 5. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto di comprendere supporti (91) atti a permettere di appoggiare il pannello sul pavimento. 5. Structure according to claim 1, characterized in that it comprises supports (91) adapted to allow the panel to be placed on the floor. 6. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto di comprendere supporti (9) configurati per montare detti pannelli (1) con inclinazioni diverse e variamente distanziati dal soffitto e/o pareti. 6. Structure according to claim 1, characterized in that it comprises supports (9) configured to mount said panels (1) with different inclinations and variously spaced from the ceiling and / or walls. 7. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto di comprendere uno strato esterno decorativo (3) in MDF avente uno spessore di 6 mm, micro-forato a laser con diametro dei fori di 0.35 mm e percentuale di foratura del 4%; uno strato interno (2) in MDF avente spessore 4 mm, forato quadro 8 x 8 mm e percentuale di foratura del 33%; uno strato (4) in MDF di spessore 5 mm, forato con diametro dei fori di 2 mm e percentuale di foratura 13%. 7. Structure according to claim 1, characterized in that it comprises a decorative outer layer (3) in MDF having a thickness of 6 mm, laser micro-perforated with a hole diameter of 0.35 mm and a drilling percentage of 4%; an internal layer (2) in MDF having a thickness of 4 mm, square perforated 8 x 8 mm and a percentage of perforation of 33%; a layer (4) of 5 mm thick MDF, perforated with a hole diameter of 2 mm and a drilling percentage of 13%. 8. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto che un pannello (1) è montato con un'intercapedine, tra pannello e superficie riflettente, di 50 mm riempita con lana minerale densità 100 kg/m<3>. 8. Structure according to claim 1, characterized in that a panel (1) is mounted with a gap, between the panel and the reflecting surface, of 50 mm filled with mineral wool with a density of 100 kg / m <3>. 9. Struttura, secondo la rivendicazione 1 , caratterizzata dal fatto che ciascuna parete (105) comprende un elemento centrale (102) il quale presenta un lato esterno accoppiato ad una lastra microforata (103), ed un lato interno accoppiato ad una lastra in tessuto non tessuto (104); detto lato esterno di detto elemento centrale (102) comprendendo una serie di scanalature longitudinali (115), detto lato interno di detto elemento centrale (102) comprendendo una serie di scanalature trasversali (116) le quali intersecano parzialmente dette scanalature longitudinali (115); dette scanalature trasversali (116) essendo disposte con un angolo di 90° rispetto alla direzione di estensione di dette scanalature longitudinali (115). 9. Structure, according to claim 1, characterized in that each wall (105) comprises a central element (102) which has an external side coupled to a micro-perforated plate (103), and an internal side coupled to a fabric plate non-woven (104); said outer side of said central element (102) comprising a series of longitudinal grooves (115), said inner side of said central element (102) comprising a series of transverse grooves (116) which partially intersect said longitudinal grooves (115); said transverse grooves (116) being arranged at an angle of 90 ° with respect to the direction of extension of said longitudinal grooves (115). 10. Struttura, secondo la rivendicazione 9, caratterizzata dal fatto che detto elemento centrale (102) è un MDF (Medium Density Fibreboard), detta lastra microforata (103) è un foglio di legno oppure un laminato CPL (Continuous Pressure Laminate). Structure according to claim 9, characterized in that said central element (102) is a MDF (Medium Density Fibreboard), said micro-perforated plate (103) is a sheet of wood or a CPL (Continuous Pressure Laminate) laminate.
IT102018000006283A 2018-06-13 2018-06-13 WALL OR FALSE CEILING STRUCTURE, FOR IMPROVING THE ACOUSTIC PERFORMANCE OF AN INTERIOR ENVIRONMENT. IT201800006283A1 (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488555A (en) * 1944-01-27 1949-11-22 Rca Corp Diffraction type sound absorber with fibrous walls
FR1015972A (en) * 1950-04-05 1952-10-29 Device and industrial products for absorbing sound
JPS5745517U (en) * 1980-08-29 1982-03-13
EP0368135A1 (en) * 1988-11-07 1990-05-16 Luigi Menichini Modular sound-deadening acoustic insulation panel particularly for delimiting areas where noise is produced
DE20102096U1 (en) * 2000-07-10 2001-04-12 Wang Chao Hsiang Sound insulation board
US20050139415A1 (en) * 2003-12-30 2005-06-30 Tilton Jeffrey A. Acoustical substrate suitable for fabrication into a three dimensional product
EP2098652A2 (en) * 2008-03-04 2009-09-09 Voith Patent GmbH Acoustic absorber unit
JP2012141405A (en) * 2010-12-28 2012-07-26 Nagoya Oil Chem Co Ltd Buffering and sound absorbing material
CH706439A1 (en) * 2012-04-26 2013-10-31 Akustik & Raum Ag Sound-absorbing element installed in ceiling of room of public building, has intermediate layers which are designed to create communicating connection between micro-perforation of cover layer and through-passages in substrate layer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488555A (en) * 1944-01-27 1949-11-22 Rca Corp Diffraction type sound absorber with fibrous walls
FR1015972A (en) * 1950-04-05 1952-10-29 Device and industrial products for absorbing sound
JPS5745517U (en) * 1980-08-29 1982-03-13
EP0368135A1 (en) * 1988-11-07 1990-05-16 Luigi Menichini Modular sound-deadening acoustic insulation panel particularly for delimiting areas where noise is produced
DE20102096U1 (en) * 2000-07-10 2001-04-12 Wang Chao Hsiang Sound insulation board
US20050139415A1 (en) * 2003-12-30 2005-06-30 Tilton Jeffrey A. Acoustical substrate suitable for fabrication into a three dimensional product
EP2098652A2 (en) * 2008-03-04 2009-09-09 Voith Patent GmbH Acoustic absorber unit
JP2012141405A (en) * 2010-12-28 2012-07-26 Nagoya Oil Chem Co Ltd Buffering and sound absorbing material
CH706439A1 (en) * 2012-04-26 2013-10-31 Akustik & Raum Ag Sound-absorbing element installed in ceiling of room of public building, has intermediate layers which are designed to create communicating connection between micro-perforation of cover layer and through-passages in substrate layer

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