ES2302523T3 - INSONORIZATION PANEL COMPOSED OF A PRF COMPOSITE MATERIAL (FIBER REINFORCED POLYMER) WITH A PHONOABSORBING SURFACE CHARACTERIZED BY PARALLEL LONGITUDINAL STRIPS. - Google Patents

INSONORIZATION PANEL COMPOSED OF A PRF COMPOSITE MATERIAL (FIBER REINFORCED POLYMER) WITH A PHONOABSORBING SURFACE CHARACTERIZED BY PARALLEL LONGITUDINAL STRIPS. Download PDF

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Publication number
ES2302523T3
ES2302523T3 ES03009375T ES03009375T ES2302523T3 ES 2302523 T3 ES2302523 T3 ES 2302523T3 ES 03009375 T ES03009375 T ES 03009375T ES 03009375 T ES03009375 T ES 03009375T ES 2302523 T3 ES2302523 T3 ES 2302523T3
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ES
Spain
Prior art keywords
staves
soundproofing panel
panel according
box structure
prf
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.)
Expired - Lifetime
Application number
ES03009375T
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Spanish (es)
Inventor
Giuseppe Fracasso
Giorgio Bedogni
Giuseppe Casciana
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.)
SOCOTHERM INFRAVIAB Srl
SOCOTHERM INFRAVIAB Srl
Original Assignee
SOCOTHERM INFRAVIAB Srl
SOCOTHERM INFRAVIAB Srl
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Filing date
Publication date
Application filed by SOCOTHERM INFRAVIAB Srl, SOCOTHERM INFRAVIAB Srl filed Critical SOCOTHERM INFRAVIAB Srl
Application granted granted Critical
Publication of ES2302523T3 publication Critical patent/ES2302523T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0011—Plank-like elements
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0064—Perforated plate or mesh, e.g. as wall facing
    • E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping 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
    • 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
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8428—Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
    • 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
    • E04B2001/8442—Tray type elements

Abstract

The invention is a new soundproofing panel made of composite material, suitable for installation along railways and/or roads, comprising a box structure whose side facing the source of the noise is covered with suitably-spaced staves. The new soundproofing panel comprises an FRP box structure (S1, S2), a layer of sound-absorbing material (F), spacers (D), and parallel staves with an arched T-shaped cross-section; these staves (T) are preferably arranged alternately, i.e. so that each stave (T) has its cross-section inverted with respect to the two staves (T) on either side. <IMAGE>

Description

Panel de insonorización compuesto por un material compuesto de PRF (polímero reforzado con fibra) con una superficie fonoabsorbente caracterizado por tiras longitudinales paralelas.Soundproofing panel composed of a PRF (fiber reinforced polymer) composite material with a sound absorbing surface characterized by longitudinal strips parallel.

La presente invención se refiere a instalaciones fijas para absorber ruido y contaminación acústica procedente del tráfico rodado y/o ferroviario y particularmente se refiere a un nuevo panel de caja de insonorización compuesto por un material compuesto de PRF.The present invention relates to installations fixed to absorb noise and noise pollution from the road and / or rail traffic and particularly refers to a new soundproofing box panel composed of a material PRF compound.

A lo largo de las principales vías de comunicación, en las que el tráfico ferroviario o rodado es intenso, se genera una cantidad considerable de ruido, lo que da lugar a niveles de contaminación acústica excesivos. Las personas que viven en la proximidad de tales vías de tráfico principales se ven afectadas por consiguiente por el ruido hasta un grado tal que pueden sufrir incluso consecuencias graves en su sistema nervioso o auditivo.Along the main roads of communication, in which rail or road traffic is intense,  a considerable amount of noise is generated, which results in excessive noise pollution levels. People who live in the proximity of such main traffic lanes are seen consequently affected by noise to such an extent that they may suffer even serious consequences on your nervous system or auditory.

Se han estudiado y fabricado diversos dispositivos y sistemas para reducir y absorber el ruido del tráfico, tal como los bien conocidos terraplenes construidos junto a las vías de tráfico. Tales terraplenes no proporcionan una protección adecuada frente al ruido, sin embargo, ocupan un amplio tramo de terreno a ambos lados de la carretera o línea ferroviaria, y su construcción implica el uso de maquinaria costosa.Several have been studied and manufactured devices and systems to reduce and absorb noise from traffic, such as the well-known embankments built together to the traffic lanes. Such embankments do not provide a adequate protection against noise, however, occupy a broad section of land on both sides of the road or railway line, and its construction involves the use of expensive machinery.

También se conocen bien algunos tipos de paneles modulares, generalmente compuestos por metal y/o plástico y que contienen material fonoabsorbente. Tales paneles son relativamente fáciles de instalar, pero no satisfacen siempre las necesidades, particularmente en lo que respecta a la durabilidad.Some types of panels are also well known modular, usually composed of metal and / or plastic and that contain sound absorbing material. Such panels are relatively easy to install, but they don't always meet the needs, particularly with regard to durability.

El documento DE 37 26 361 A da a conocer un panel de insonorización tal como se expone en el preámbulo de la reivindicación 1. La estructura de caja conocida está constituida por un marco de metal cuyos dos lados están parcialmente cubiertos por barras de madera que tienen una sección transversal semicircular.Document DE 37 26 361 A discloses a Soundproofing panel as set out in the preamble of the claim 1. The known box structure is constituted by a metal frame whose two sides are partially covered by wooden bars that have a cross section semicircular.

Es un objeto de la invención proporcionar un panel de insonorización que evite los inconvenientes mencionados anteriormente de la técnica anterior. No sólo debe absorber de manera eficaz las ondas acústicas generadas por los vehículos en tránsito sin reflejarlas de vuelta hacia la fuente del ruido y sin transmitirlas al otro lado del panel, sino que debe
tener también una mejor resistencia a la intemperie en comparación con las barras de madera y debe ser fácil de montar.It is an object of the invention to provide a soundproofing panel that avoids the aforementioned drawbacks of the prior art. Not only must you effectively absorb the sound waves generated by vehicles in transit without reflecting them back to the source of the noise and without transmitting them to the other side of the panel, but you must
also have better weather resistance compared to wooden bars and should be easy to assemble.

Estos y otros objetivos se consiguen mediante el nuevo panel de insonorización tal como se caracteriza en la reivindicación 1.These and other objectives are achieved through new soundproofing panel as characterized in the claim 1.

Las barras o duelas según la invención presentan las ventajas de ser no sólo a prueba de intemperie sino también rígidas, ligeras y fácil de montar.The bars or staves according to the invention have the advantages of being not only weatherproof but also rigid, light and easy to assemble.

Las características del nuevo panel de insonorización se entenderán mejor mediante la descripción a continuación, con referencia al dibujo adjunto, como un ejemplo ilustrativo y no restrictivo.The characteristics of the new panel Soundproofing will be better understood by describing then, with reference to the attached drawing, as an example Illustrative and not restrictive.

La figura 1 muestra una proyección axonométrica del nuevo panel con una sección transversal parcial, mientras que la figura 2 muestra una sección transversal de él.Figure 1 shows an axonometric projection of the new panel with a partial cross section while Figure 2 shows a cross section of it.

El nuevo panel de insonorización comprende una estructura (S1, S2) de caja, una capa de material (F) fonoabsorbente, separadores (D) y duelas (T) paralelas.The new soundproofing panel comprises a box structure (S1, S2), a layer of material (F) sound absorber, separators (D) and staves (T) parallel.

La estructura (S1, S2) de caja está constituida por un elemento (S1) perfilado, que comprende sustancialmente una pared (S1a) trasera con dos bordes (S1b) plegados y dos elementos (S2) de cierre genéricamente planos situados en cualquier extremo (S1) de manera que se obtiene un paralelepípedo genérico que carece de una cara principal.The box structure (S1, S2) is constituted by a profiled element (S1), which substantially comprises a rear wall (S1a) with two folded edges (S1b) and two elements (S2) generically flat closure located at either end (S1) so that a generic parallelepiped is lacking of a main face.

El elemento (S1) perfilado tiene preferiblemente sus tres caras (S1a, S1b) con una conformación particular; para ser precisos, la cara (S1a) principal está genéricamente corrugada de manera que el elemento perfilado se hace más robusto, mientras que los dos bordes (S1b) tienen un acanalado cóncavo y/o convexo para permitir el acoplamiento apropiado de varios elementos perfilados adyacentes o paneles de insonorización.The profiled element (S1) preferably has its three faces (S1a, S1b) with a particular conformation; to be precise, the main face (S1a) is generically corrugated from so that the profiled element becomes more robust, while the two edges (S1b) have a concave and / or convex rib for allow proper coupling of several profiled elements adjacent or soundproofing panels.

Los elementos (S2) de cierre a la derecha y a la izquierda están compuestos cada uno de una parte plana que tiene la misma forma que la sección transversal del elemento (S1) perfilado, completa con rebordes que se encuentran adyacentes a los lados de dicho elemento (S1) perfilado. Además, cada uno de los dos elementos (S2) de cierre tiene uno o más orificios (S2f) para permitir el desagüe de cualquier agua acumulada dentro del panel de insonorización debido a la condensación o infiltración.The closing elements (S2) to the right and to the left are each composed of a flat part that has the same shape as the cross section of the profiled element (S1), complete with flanges that are adjacent to the sides of said profiled element (S1). In addition, each of the two elements  (S2) closure has one or more holes (S2f) to allow the drain of any water accumulated inside the panel Soundproofing due to condensation or infiltration.

En la cara abierta de la estructura (S1, S2) de caja hay duelas (T), que comprenden bandas o tiras adecuadas para cerrar parcialmente esta cara de la estructura (S1, S2) de caja.On the open face of the structure (S1, S2) of box there are staves (T), which comprise bands or strips suitable for partially close this face of the box structure (S1, S2).

Las duelas (T) están dispuestas paralelas entre sí en una o más filas y su longitud y distancia entre los centros son tales que cubren desde el 20% hasta el 80%, pero preferiblemente el 40%, del área del lado abierto de la estructura (S1, S2) de caja.The staves (T) are arranged parallel between yes in one or more rows and their length and distance between the centers they are such that they cover from 20% to 80%, but preferably 40% of the area of the open side of the structure (S1, S2) of box.

Estas duelas (T) están dispuestas preferiblemente paralelas a la longitud del elemento (S1) perfilado.These staves (T) are arranged preferably parallel to the length of the element (S1) profiled

Las duelas (T) tienen una sección transversal en forma de T en la que la parte horizontal de la T forma un arco y la parte vertical es más ancha en el extremo inferior. Las duelas (T) están dispuestas preferiblemente de manera alternante, es decir de modo que cada duela (T) tiene su sección transversal invertida con respecto a las dos duelas (T) a ambos lados.The staves (T) have a cross section in T shape in which the horizontal part of the T forms an arc and the vertical part is wider at the lower end. The staves (T) they are preferably arranged alternately, i.e. so that each stave (T) has its inverted cross section with with respect to the two staves (T) on both sides.

Pueden proporcionarse o crearse lengüetas (S2o) sobre el elemento (S1) perfilado o sobre los elementos (S2) de cierre con el fin de retener las duelas (T) y mantenerlas orientadas correctamente.Tabs can be provided or created (S2o) on the profiled element (S1) or on the elements (S2) of close in order to retain the staves (T) and keep them oriented correctly.

La cavidad formada entre el elemento (S1) perfilado, los elementos (S2) de cierre y las duelas (T) está ocupada por una capa de material (F) de insonorización, preferiblemente compuesto por lana de roca o lana de vidrio.The cavity formed between the element (S1) profiling, closing elements (S2) and staves (T) is occupied by a layer of soundproofing material (F), preferably composed of rock wool or glass wool.

Esta cavidad contiene también separadores (D) compuestos de elementos genéricamente planos que tienen tres lados conformados exactamente como la sección transversal del elemento (S1) perfilado y el cuarto lado conformado con lengüetas (Do) adecuadas para sujetar las duelas (T) y mantenerlas separadas correctamente.This cavity also contains separators (D) composed of generically flat elements that have three sides shaped exactly as the cross section of the element (S1) profiled and the fourth side shaped with tongues (Do) suitable for holding staves (T) and keeping them separate correctly.

EL nuevo panel, construido tal como se describió anteriormente, se instala a lo largo de vías de tráfico ferroviario y/o rodado, orientando el lado del panel equipado con las duelas (T) hacia la fuente del ruido y yuxtaponiendo los paneles de manera que el acanalado cóncavo y/o convexo de cada panel se ajusta exactamente en el acanalado convexo y/o cóncavo de los paneles superiores e inferiores.The new panel, built as described previously, it is installed along rail traffic tracks and / or rolled, orienting the side of the panel equipped with the staves (T) towards the source of the noise and juxtaposing the panels so that The concave and / or convex ribbing of each panel fits exactly in the convex and / or concave ribbing of the upper panels and lower.

Los paneles pueden disponerse con las duelas (T) orientadas en cualquier ángulo, horizontal o vertical.Panels can be arranged with staves (T) oriented at any angle, horizontal or vertical.

El nuevo panel, construido tal como se describió anteriormente, evita la propagación del ruido, absorbiendo las ondas acústicas en lugar de reflejarlas de vuelta hacia la fuente del sonido y no acumula nada de agua debido a la condensación o las precipitaciones.The new panel, built as described previously, it prevents the propagation of noise, absorbing the sound waves instead of reflecting them back towards the source of the sound and does not accumulate any water due to condensation or rainfall

Por tanto, con referencia a la descripción anterior y a los dibujos adjuntos, se exponen las siguientes reivindicaciones.Therefore, with reference to the description above and to the attached drawings, the following are exposed claims.

Claims (7)

1. Panel de insonorización que comprende una estructura (S1, S2) de caja en forma de paralelepípedo rellena con una capa de material (F) fonoabsorbente, en el que el lado de la estructura de caja concebido para estar orientado hacia la fuente de ruido está abierto y parcialmente cubierto con barras o duelas (T), caracterizado porque la estructura (S1, S2) de caja es de polímero reforzado con fibra (PRF) y porque dichas barras o duelas (T) tienen una sección transversal en forma de T constituida por una parte horizontal arqueada y una parte vertical que sobresale de la parte horizontal arqueada, en el que dicha parte vertical es más ancha en su extremo libre.1. Soundproofing panel comprising a parallelepiped-shaped box structure (S1, S2) filled with a layer of sound-absorbing material (F), in which the side of the box structure designed to be oriented towards the noise source it is open and partially covered with bars or staves (T), characterized in that the box structure (S1, S2) is made of fiber reinforced polymer (PRF) and because said bars or staves (T) have a T-shaped cross section constituted by an arched horizontal part and a vertical part that protrudes from the arched horizontal part, in which said vertical part is wider at its free end. 2. Panel de insonorización según la reivindicación 1, en el que las duelas (T) están dispuestas de manera alternante de modo que cada duela (T) tiene su sección transversal invertida con respecto a las dos duelas (T) a cada uno de sus lados.2. Soundproofing panel according to claim 1, wherein the staves (T) are disposed of alternating way so that each stave (T) has its section transverse inverted with respect to the two staves (T) to each from its sides 3. Panel de insonorización según cualquiera de las reivindicaciones anteriores, en el que las barras o duelas (T) están colocadas en una o más filas para cubrir desde el 20% hasta el 80% del área superficial.3. Soundproofing panel according to any of the preceding claims, wherein the bars or staves (T) they are placed in one or more rows to cover from 20% to 80% of the surface area. 4. Panel de insonorización según la reivindicación 3, en el que las duelas (T) paralelas que se encuentran adyacentes cubren el 40% del área superficial.4. Soundproofing panel according to claim 3, wherein the parallel staves (T) that are Adjacent found cover 40% of the surface area. 5. Panel de insonorización según cualquiera de las reivindicaciones anteriores, en el que están montados separadores (D) genéricamente rectangulares dentro de la estructura (S1, S2) de caja que tienen un lado conformado para formar lengüetas (Do) para retener las duelas (T) a una distancia correcta entre ellas.5. Soundproofing panel according to any of the preceding claims, in which they are mounted generically rectangular separators (D) within the structure (S1, S2) of box that have a shaped side to form tabs (Do) to retain the staves (T) at a correct distance between them. 6. Panel de insonorización según cualquiera de las reivindicaciones anteriores, en el que se proporcionan o crean lengüetas (S2o) sobre la estructura (S1, S2) de caja para sujetar las duelas (T) y mantener su orientación correcta.6. Soundproofing panel according to any of the preceding claims, wherein they are provided or created tabs (S2o) on the box structure (S1, S2) to hold the staves (T) and maintain their correct orientation. 7. Panel de insonorización según cualquiera de las reivindicaciones anteriores, en el que el lado inferior de la estructura (S1, S2) de caja está dotado con un canal u orificio (S2f) para permitir la descarga del agua acumulada en la estructura de caja debido a la condensación o infiltración.7. Soundproofing panel according to any of the preceding claims, wherein the lower side of the box structure (S1, S2) is provided with a channel or hole (S2f) to allow the discharge of accumulated water in the structure cash flow due to condensation or infiltration.
ES03009375T 2002-04-26 2003-04-25 INSONORIZATION PANEL COMPOSED OF A PRF COMPOSITE MATERIAL (FIBER REINFORCED POLYMER) WITH A PHONOABSORBING SURFACE CHARACTERIZED BY PARALLEL LONGITUDINAL STRIPS. Expired - Lifetime ES2302523T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002PD000105A ITPD20020105A1 (en) 2002-04-26 2002-04-26 BOX SOUND ABSORBING PANEL IN FRP COMPOSITE MATERIAL (FIBER REINFORCED POLYMERS) WITH ABSORBENT SURFACE CHARACTERIZED BY DISCONT
ITPD02A0105 2002-04-26

Publications (1)

Publication Number Publication Date
ES2302523T3 true ES2302523T3 (en) 2008-07-16

Family

ID=29267078

Family Applications (1)

Application Number Title Priority Date Filing Date
ES03009375T Expired - Lifetime ES2302523T3 (en) 2002-04-26 2003-04-25 INSONORIZATION PANEL COMPOSED OF A PRF COMPOSITE MATERIAL (FIBER REINFORCED POLYMER) WITH A PHONOABSORBING SURFACE CHARACTERIZED BY PARALLEL LONGITUDINAL STRIPS.

Country Status (5)

Country Link
EP (1) EP1362963B1 (en)
AT (1) ATE386854T1 (en)
DE (1) DE60319179D1 (en)
ES (1) ES2302523T3 (en)
IT (1) ITPD20020105A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2608202A1 (en) * 2015-10-06 2017-04-06 Panacor 2000, S.L. Modular panel for acoustic screens (Machine-translation by Google Translate, not legally binding)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2013957A3 (en) * 2013-12-02 2014-11-26 Josef Žikovský Transparent slot-coupled cavity of road traffic noise reducing barrier

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Publication number Priority date Publication date Assignee Title
US1758808A (en) * 1927-06-15 1930-05-13 Fred J Sersen Means for acoustical correction and sound deadening
FR1321706A (en) * 1961-05-13 1963-03-22 Montedison Spa Improvements to heat, sound and sound absorbing panels
AT386440B (en) * 1986-08-21 1988-08-25 Forster Franz Ing Gmbh NOISE PROTECTION ELEMENT
US4821841A (en) * 1987-06-16 1989-04-18 Bruce Woodward Sound absorbing structures
JPH02274906A (en) * 1989-04-14 1990-11-09 Furukawa Electric Co Ltd:The Transparent noise insulating panel
FI92342C (en) * 1992-06-08 1994-10-25 Rautaruukki Oy noise Fences
DE9212668U1 (en) * 1992-09-21 1993-01-14 Josef Schmees Gmbh + Co. Kg, 4474 Fresenburg, De
CH688097A5 (en) * 1994-08-31 1997-05-15 Cycrollo Ag Kit for creating a soundproof wall.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2608202A1 (en) * 2015-10-06 2017-04-06 Panacor 2000, S.L. Modular panel for acoustic screens (Machine-translation by Google Translate, not legally binding)
WO2017060549A1 (en) * 2015-10-06 2017-04-13 Panacor 2000, S.L. Modular panel for acoustic screens

Also Published As

Publication number Publication date
ATE386854T1 (en) 2008-03-15
ITPD20020105A1 (en) 2003-10-27
EP1362963A2 (en) 2003-11-19
EP1362963B1 (en) 2008-02-20
DE60319179D1 (en) 2008-04-03
EP1362963A3 (en) 2004-02-11

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