EP1536066A1 - Sound proofing element - Google Patents

Sound proofing element Download PDF

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Publication number
EP1536066A1
EP1536066A1 EP04014299A EP04014299A EP1536066A1 EP 1536066 A1 EP1536066 A1 EP 1536066A1 EP 04014299 A EP04014299 A EP 04014299A EP 04014299 A EP04014299 A EP 04014299A EP 1536066 A1 EP1536066 A1 EP 1536066A1
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EP
European Patent Office
Prior art keywords
sound
soundproofing element
absorbing insert
element according
soundproofing
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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.)
Granted
Application number
EP04014299A
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German (de)
French (fr)
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EP1536066B1 (en
Inventor
Torsten Macko
Bernd Methner
Reinhard Riemann
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Eurovia Beton GmbH
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Eurovia Beton GmbH
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Publication of EP1536066A1 publication Critical patent/EP1536066A1/en
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    • 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
    • E01F8/0017—Plate-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
    • E01F8/0023—Details, e.g. foundations

Definitions

  • the invention relates to a soundproofing element and a noise barrier, especially for roads, highways, railways u. like.
  • Noise barriers, noise barriers or noise barriers are everywhere Used where citizens are protected from noise, especially traffic noise should be. Noise barriers can, however, due to the large space requirement not be heaped up everywhere. Just on the edge of roads, highways and railways is the one available for noise control Space often low. In these places can only narrow noise barriers or noise barriers. At noise barriers will be high demands. You need to absorb the sound in the best possible way, weatherproof, robust against falling rocks or vandalism and inexpensive be. At the same time, the visual impression is important. inner city Areas should not be spoiled by concrete walls, and also Motorists and train passengers should not be completely excluded from the environment become. Noise barriers therefore become at least partially transparent executed.
  • From DE 42 30 786 A1 discloses a soundproofing element for a noise barrier known.
  • the soundproofing element described there has two posts holding a sound-absorbing insert made of transparent material.
  • a soundproofing element in which waived cross member becomes.
  • the soundproofing element itself consists only of a self-supporting, transparent, sound-absorbing insert.
  • For the construction of a noise protection wall several of these soundproofing elements are lined up and connected with each other. Posts are provided at the ends of the noise barrier for holding the respective edge sound insulation elements serve.
  • the present invention is based on the problem of a soundproofing element to improve the type in question in terms of sound absorption and with it to achieve a pleasant visual impression. accompanying This should also be noise barriers optimized.
  • a basic idea of the present invention resides in the soundproofing element in addition to an inherently transparent, sound-absorbing insert to provide a sound absorption structure. This However, it is arranged so that it only a part of the sound-absorbing Deposit covers.
  • the additional sound absorption structure the sound absorbing insert covering peripherally circumferentially. This leaves the middle region of the soundproofing element transparent.
  • the additional Sound absorption structure having a core of absorber material this is surrounded by a moisture protection cover at least on the sides, which are exposed to the weather, and provided an outer support member is, at the same time as a holder of the absorber material and as protection against Rockfall or vandalism serves.
  • the free area thus formed should be about 60% to about 90% of the total area preferably about 70% to about 80%, so that the Sound waves can penetrate into the absorber material.
  • the sound-absorbing, transparent insert made of acrylic glass. This is unbreakable, weatherproof and lightweight manageable.
  • Fig. 1 shows a soundproofing element 1 for a noise barrier.
  • the soundproofing element 1 has a dimensionally stable profile frame 2 and one of the Profile frame 2 held, sound-absorbing insert 3.
  • the sound-absorbing Insert 3 is made of transparent material.
  • a sound absorption structure 4 is provided in addition to the Sound-absorbing insert 3 .
  • the sound absorption structure 4 is here and preferably arranged so that he covers the sound-absorbing insert 3 peripherally circumferentially. critical for all versions is that the sound absorption structure 4 maximum covers a part of the sound-absorbing insert 3. For edge-side arrangement of the sound absorption structure 4, this the insert 3 also edge overhang, so at least partially arranged next to the insert 3 be. But the sound absorption structure 4 can also completely beside the be arranged sound-absorbing insert 3. In this arrangement, the Sound-absorbing insert 3 also not part of the sound absorption structure 4 covered.
  • the sound absorption structure 4 here and preferably has a core of absorber material 5, a moisture protection sleeve 6 and an outer support element 7.
  • the absorber material 5 is designed here as a mineral fiber material, which is particularly well suited to absorb sound.
  • the absorber material 5 has a density of about 80 kg / m 3 to about 120 kg / m 3 .
  • the density is preferably about 90 kg / m 3 to about 110 kg / m 3 .
  • the moisture protection cover 6 is arranged so that here the absorber material 5 from all sides, which are exposed to the weather is covered. in the In the present case these are two sides 8, 9.
  • the moisture protection cover 6 can cover the absorber material 5 but also from all sides. This can be advantageous in automated production of the soundproofing element 1.
  • the moisture protection cover 6 as Glasvlieskaschtechnik executed.
  • the outer support member 7 serves to attach the absorber material 5. It includes the absorber material 5 and thus the moisture protection cover 6 at at least two sides 8, 9. It is also possible that the outer support element 7 includes the absorber material from other sides. The outer Support element 7 thus serves at the same time to protect the absorber material. 5 against falling rocks, vandalism or similar.
  • sound passage openings 7 ' are provided so that the sound waves can penetrate into the absorber material 5 and not only reflected back become.
  • the free surface formed by the sound passage openings 7 ' is about 60% to about 90%, preferably about 70% to about 80%.
  • the outer support member 7 may be as expanded metal mesh, perforated plate or plastic mesh element be executed. Preferably, the outer support member 7 as Perforated plate made of aluminum.
  • the free area in the outer Support element also loosens the visual impression of the soundproofing element 1 on. It does not seem so massive.
  • the sound absorption structure 4 usually has a thickness of about 50 mm to about 250 mm, preferably from about 70 mm to about 150 mm.
  • the sound absorbing insert 3 has a thickness of about 5 mm to about 30 mm, preferably from about 15 mm to about 25 mm. The parameters are chosen so that the sound absorption sufficient, while the soundproofing element not too massive and still manageable.
  • the sound-absorbing insert is preferably an amorphous material used, in particular a glass or a plastic.
  • amorphous material used, in particular a glass or a plastic.
  • which material is suitable is hereby made to DE 199 06 989 A1 directed.
  • the profile frame 2 made of aluminum and is especially seawater resistant. This is of particular advantage because the soundproofing element 1 just in winter when using salt as Spreading material is exposed to high loads.
  • the sound absorbing liner 3 and the sound absorption structure 4 become held at the edge of the profile frame 2.
  • the attachment to the profile frame 2 takes place by a clamping pressure, screwing o. ⁇ .
  • the sound-absorbing insert 3 of its own Surround frame 10 which is then attached to / in the profile frame.
  • the soundproofing element 1 is in a preferred embodiment according to the Requirements of ZTV-Lsw 88 (Additional Technical Regulations and Guidelines for the execution of noise barriers on roads, edition 1988). It also meets the requirements in particular to group A2 of Annex A of standard DIN EN 1793-1 (German Industry standard - European standard). Compliance with certain standards and regulations is in Germany for the use of a soundproofing element 1 prescribed on certain roads.
  • Fig. 3 shows a further embodiment of an inventive Soundproofing element 1.
  • the sound-absorbing Insert 3 a separate frame 10 on.
  • the frame 10 of the sound absorbing insert 3 comprises these at two opposite Edges.
  • the sound-absorbing insert 3 is only covered at these edges.
  • the sound-absorbing insert 3 is by means of her Frame 10 attached to the profile frame 2.
  • the profile frame 2 of the soundproofing element 1 is here and preferably as Rectangular tube executed.
  • the profile frame 2 is much wider than the sound-absorbing insert 3 together with its frame 10, so that the profile frame 2 and the sound-absorbing insert 3 a substantially right-angled corner is formed.
  • an angle 11 of metal, preferably of aluminum arranged so that one side of the Angle profile 11 can be fastened to the profile frame 2 and the other side the angle profile 11 on the frame 10 of the sound-absorbing insert 3rd is fastened.
  • a Z-profile 12, 13 arranged of metal, preferably made of aluminum.
  • the Z-profile 12 is arranged so that at the sound-absorbing insert. 3 opposite side between the profile frame 2 and Z-profile 12 a gap is.
  • the Z-profile 13 is arranged so that at the profile frame 2 opposite Side between the angle section 11 and the Z-profile 13 a Gap is.
  • the outer support member 7 is shaped so that it in both columns protrudes. The between the angle section 11 and the outer support member 7 formed cavity is through the absorber material 5 with the moisture protection cover 6 filled out.
  • the outer support element 7 is characterized by an adhesive bond, a welded joint, a screw o. ⁇ . Attached. But the outer support member 7 can also by a strike plate 14, which is arranged on the profile frame 2 and the outer support member 7, attached be.
  • the soundproofing element 1 usually has a length of about 1.5 m to about 6.0 meters, preferably, from about 2.0 meters to about 2.5 meters, or about 4.0 m to about 5.0 m.
  • the soundproofing element 1 usually has one Height from about 0.3 m to about 4.0 m, preferably from about 0.5 m to about 1.0 m or from about 1.0 m to about 3.0 m.
  • Fig. 4 shows a noise barrier 15 which consists of at least one soundproofing element 1 and two edge posts 16, 17 consists.
  • the posts 16, 17 serve to hold the soundproofing element 1.
  • By juxtaposing of several soundproofing elements 1 with an appropriate number of posts 16, 17 in between an arbitrarily long noise protection wall 15 is formed become. Furthermore, it is possible, several sound insulation elements 1 above the other to arrange, so that the height of the noise barrier 15 is variable can be.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Surgical Instruments (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The acoustic barrier element (1), to be used for the erection of noise barrier walls, has a transparent noise-absorbent insert (3), covered at least partially by a sound-absorbent superstructure (4) in a profile frame (2) with an outer support (7').

Description

Die Erfindung betrifft ein Schallschutzelement und eine Lärmschutzwand, insbesondere für Straßen, Autobahnen, Schienenwege u. dgl.The invention relates to a soundproofing element and a noise barrier, especially for roads, highways, railways u. like.

Lärmschutzwälle, Lärmschutzwände oder Lärmschutzfassaden werden überall dort eingesetzt, wo Bürger vor Lärm, insbesondere Verkehrslärm geschützt werden sollen. Lärmschutzwälle können jedoch aufgrund des großen Platzbedarfs nicht überall aufgeschüttet werden. Gerade am Rand von Straßen, Autobahnen und Schienenwegen ist der für Lärmschutz zur Verfügung stehende Platz oft gering. An diesen Stellen können nur schmale Lärmschutzwände oder Lärmschutzfassaden verwendet werden. An Lärmschutzwände werden hohe Anforderungen gestellt. Sie müssen den Schall bestmöglich absorbieren, wetterbeständig, robust gegen Steinschlag oder Vandalismus und kostengünstig sein. Zugleich ist auch der optische Eindruck von Bedeutung. Innerstädtische Bereiche sollen nicht durch Betonwände verschandelt werden, und auch Autofahrer und Zugfahrgäste sollen nicht vollständig von der Umwelt ausgeschlossen werden. Lärmschutzwände werden daher zumindest teilweise transparent ausgeführt.Noise barriers, noise barriers or noise barriers are everywhere Used where citizens are protected from noise, especially traffic noise should be. Noise barriers can, however, due to the large space requirement not be heaped up everywhere. Just on the edge of roads, highways and railways is the one available for noise control Space often low. In these places can only narrow noise barriers or noise barriers. At noise barriers will be high demands. You need to absorb the sound in the best possible way, weatherproof, robust against falling rocks or vandalism and inexpensive be. At the same time, the visual impression is important. inner city Areas should not be spoiled by concrete walls, and also Motorists and train passengers should not be completely excluded from the environment become. Noise barriers therefore become at least partially transparent executed.

Aus der DE 42 30 786 A1 ist ein Schallschutzelement für eine Lärmschutzwand bekannt. Das dort beschriebene Schallschutzelement weist zwei Pfosten auf, die eine schallabsorbierende Einlage aus transparentem Material halten. Zusätzlich zu den Pfosten sind noch ein Querträger am Boden und ein Querträger auf etwa Zweidrittel der Höhe der schallabsorbierenden Einlage zur Halterung eben dieser vorgesehen.From DE 42 30 786 A1 discloses a soundproofing element for a noise barrier known. The soundproofing element described there has two posts holding a sound-absorbing insert made of transparent material. In addition to the posts are still a cross member on the ground and a cross member to about two-thirds the height of the sound-absorbing insert to Mount just this provided.

Durch seinen Aufbau ist das zuvor genannte Schallschutzelement weitestgehend transparent. Der optische Eindruck und die Transparenz werden jedoch durch die massiven Querträger gestört. Außerdem ist die Schallabsorption des Schallschutzelementes nicht optimal.Due to its construction, the aforementioned soundproofing element as far as possible transparent. However, the visual impression and the transparency become disturbed by the massive cross member. In addition, the sound absorption of the Soundproofing element not optimal.

Aus der den Ausgangspunkt der vorliegenden Erfindung bildenden DE 199 06 989 A1 ist ein Schallschutzelement bekannt, bei dem auf Querträger verzichtet wird. Das Schallschutzelement selbst besteht nur aus einer selbsttragenden, transparenten, schallabsorbierenden Einlage. Zum Aufbau einer Lärmschutzwand werden mehrere dieser Schallschutzelemente aneinander gereiht und miteinander verbunden. An den Enden der Lärmschutzwand sind Pfosten vorgesehen, die zur Halterung der jeweiligen randseitigen Schallschutzelemente dienen.From the starting point of the present invention forming DE 199 06 989 A1 discloses a soundproofing element is known in which waived cross member becomes. The soundproofing element itself consists only of a self-supporting, transparent, sound-absorbing insert. For the construction of a noise protection wall several of these soundproofing elements are lined up and connected with each other. Posts are provided at the ends of the noise barrier for holding the respective edge sound insulation elements serve.

Auch bei dem zuvor beschriebenen Schallschutzelement ist der Schallschutz nicht optimal. Ebenso ist es gerade im innerstädtischen Bereich nicht unbedingt wünschenswert, einen vollständig freien Blick auf einen stark frequentierten Verkehrsweg zu haben.Even with the soundproofing element described above is the sound insulation not optimal. Likewise, it is not necessarily in the inner city area desirable, a completely clear view of a busy To have a traffic route.

Der vorliegenden Erfindung liegt das Problem zugrunde, ein Schallschutzelement der in Rede stehenden Art hinsichtlich der Schallabsorption zu verbessern und mit ihm einen angenehmen optischen Eindruck zu erzielen. Einhergehend damit sollen auch Lärmschutzwände optimiert werden.The present invention is based on the problem of a soundproofing element to improve the type in question in terms of sound absorption and with it to achieve a pleasant visual impression. accompanying This should also be noise barriers optimized.

Das obige Problem wird bei einem Schallschutzelement mit den Merkmalen des Oberbegriffs von Anspruch 1 durch die Merkmale des kennzeichnenden Teils von Anspruch 1 gelöst. Bevorzugte Ausgestaltungen und Weiterbildungen sind Gegenstand der Unteransprüche.The above problem is in a soundproofing element having the features of the preamble of claim 1 by the features of the characterizing one Part of claim 1 solved. Preferred embodiments and developments are the subject of the dependent claims.

Eine grundlegende Idee der vorliegenden Erfindung liegt darin, am Schallschutzelement zusätzlich zu einer an sich dominierenden transparenten, schallabsorbierenden Einlage einen Schallabsorptionsaufbau vorzusehen. Dieser wird dabei jedoch so angeordnet, daß er nur einen Teil der schallabsorbierenden Einlage abdeckt.A basic idea of the present invention resides in the soundproofing element in addition to an inherently transparent, sound-absorbing insert to provide a sound absorption structure. This However, it is arranged so that it only a part of the sound-absorbing Deposit covers.

Für den optischen Eindruck und konstruktiv besonders zweckmäßig ist es, wenn der zusätzliche Schallabsorptionsaufbau die schallabsorbierende Einlage randseitig umlaufend abdeckt. Dadurch bleibt der Mittelbereich des Schallschutzelementes transparent.For the visual impression and structurally particularly appropriate, it is if the additional sound absorption structure the sound absorbing insert covering peripherally circumferentially. This leaves the middle region of the soundproofing element transparent.

Zum Schutz vor äußeren Beanspruchungen ist es vorteilhaft, wenn der zusätzliche Schallabsorptionsaufbau einen Kern aus Absorbermaterial aufweist, dieser mit einer Feuchtigkeitsschutzhülle mindestens an den Seiten umgeben ist, die der Witterung ausgesetzt sind, und ein äußeres Stützelement vorgesehen ist, das gleichzeitig als Halterung des Absorbermaterials und als Schutz gegen Steinschlag oder Vandalismus dient.To protect against external stresses, it is advantageous if the additional Sound absorption structure having a core of absorber material, this is surrounded by a moisture protection cover at least on the sides, which are exposed to the weather, and provided an outer support member is, at the same time as a holder of the absorber material and as protection against Rockfall or vandalism serves.

Zur optimalen Schallabsorption sollten in den von Schallwellen primär beaufschlagten Seiten des Stützelementes Schalldurchtrittsöffnungen vorgesehen sein. Die so gebildete freie Fläche sollte etwa 60 % bis etwa 90 % der Gesamtfläche betragen, vorzugsweise etwa 70 % bis etwa 80 %, so daß die Schallwellen in das Absorbermaterial eindringen können.For optimal sound absorption should be in the primary acted upon by sound waves Provided sides of the support element sound openings be. The free area thus formed should be about 60% to about 90% of the total area preferably about 70% to about 80%, so that the Sound waves can penetrate into the absorber material.

Besonders vorteilhaft ist es, wenn die schallabsorbierende, transparente Einlage aus Acrylglas besteht. Dieses ist bruchfest, wetterbeständig und leicht handhabbar.It is particularly advantageous if the sound-absorbing, transparent insert made of acrylic glass. This is unbreakable, weatherproof and lightweight manageable.

Weitere Einzelheiten, Merkmale, Ziele und Vorteile der vorliegenden Erfindung werden nachfolgend anhand der Zeichnung eines bevorzugten Ausführungsbeispiels näher erläutert. In der Zeichnung zeigt

Fig. 1
eine Frontansicht eines erfindungsgemäßen Schallschutzelementes,
Fig. 2
einen Schnitt durch das Schallschutzelement aus Fig. 1 entlang der Linie II-II,
Fig. 3
einen Schnitt durch ein weiteres Ausführungsbeispiel eines erfindungsgemäßen Schallschutzelementes und
Fig. 4
eine perspektivische Ansicht einer Lärmschutzwand.
Further details, features, objects and advantages of the present invention will be explained in more detail with reference to the drawing of a preferred embodiment. In the drawing shows
Fig. 1
a front view of a soundproofing element according to the invention,
Fig. 2
a section through the soundproofing element of FIG. 1 along the line II-II,
Fig. 3
a section through a further embodiment of a soundproofing element according to the invention and
Fig. 4
a perspective view of a noise barrier.

Fig. 1 zeigt ein Schallschutzelement 1 für eine Lärmschutzwand. Das Schallschutzelement 1 weist einen formstabilen Profilrahmen 2 und eine von dem Profilrahmen 2 gehaltene, schallabsorbierende Einlage 3 auf. Die schallabsorbierende Einlage 3 besteht aus transparentem Material. Zusätzlich zu der schallabsorbierenden Einlage 3 ist ein Schallabsorptionsaufbau 4 vorgesehen.Fig. 1 shows a soundproofing element 1 for a noise barrier. The soundproofing element 1 has a dimensionally stable profile frame 2 and one of the Profile frame 2 held, sound-absorbing insert 3. The sound-absorbing Insert 3 is made of transparent material. In addition to the Sound-absorbing insert 3 is a sound absorption structure 4 is provided.

Der Schallabsorptionsaufbau 4 ist hier und vorzugsweise so angeordnet, daß er die schallabsorbierende Einlage 3 randseitig umlaufend abdeckt. Entscheidend für alle Ausführungen ist, daß der Schallabsorptionsaufbau 4 maximal einen Teil der schallabsorbierenden Einlage 3 abdeckt. Bei randseitiger Anordnung des Schallabsorptionsaufbaus 4 kann dieser die Einlage 3 auch randseitig überragen, also zumindest zum Teil neben der Einlage 3 angeordnet sein. Der Schallabsorptionsaufbau 4 kann aber auch vollständig neben der schallabsorbierenden Einlage 3 angeordnet sein. Bei dieser Anordnung ist die schallabsorbierende Einlage 3 auch nicht zum Teil von dem Schallabsorptionsaufbau 4 abgedeckt.The sound absorption structure 4 is here and preferably arranged so that he covers the sound-absorbing insert 3 peripherally circumferentially. critical for all versions is that the sound absorption structure 4 maximum covers a part of the sound-absorbing insert 3. For edge-side arrangement of the sound absorption structure 4, this the insert 3 also edge overhang, so at least partially arranged next to the insert 3 be. But the sound absorption structure 4 can also completely beside the be arranged sound-absorbing insert 3. In this arrangement, the Sound-absorbing insert 3 also not part of the sound absorption structure 4 covered.

Der Schallabsorptionsaufbau 4 (Fig. 2) weist hier und vorzugsweise einen Kern aus Absorbermaterial 5, eine Feuchtigkeitsschutzhülle 6 und ein äußeres Stützelement 7 auf. Das Absorbermaterial 5 ist hier als Mineralfasermaterial ausgeführt, das besonders gut geeignet ist, Schall zu absorbieren. Das Absorbermaterial 5 weist eine Dichte von etwa 80 kg/m3 bis etwa 120 kg/m3 auf. Aus Optimierungsgründen zwischen Schallschutz einerseits und Handhabbarkeit des Schallschutzelementes 1 andererseits beträgt die Dichte vorzugsweise etwa 90 kg/m3 bis etwa 110 kg/m3.The sound absorption structure 4 (FIG. 2) here and preferably has a core of absorber material 5, a moisture protection sleeve 6 and an outer support element 7. The absorber material 5 is designed here as a mineral fiber material, which is particularly well suited to absorb sound. The absorber material 5 has a density of about 80 kg / m 3 to about 120 kg / m 3 . For reasons of optimization between soundproofing on the one hand and manageability of the soundproofing element 1 on the other hand, the density is preferably about 90 kg / m 3 to about 110 kg / m 3 .

Die Feuchtigkeitsschutzhülle 6 ist so angeordnet, daß hier das Absorbermaterial 5 von allen Seiten, die der Witterung ausgesetzt sind, abgedeckt ist. Im vorliegenden Fall sind dies zwei Seiten 8, 9. Die Feuchtigkeitsschutzhülle 6 kann das Absorbermaterial 5 aber auch von allen Seiten abdecken. Dies kann bei automatisierter Fertigung des Schallschutzelements 1 von Vorteil sein. In besonderer Ausführung ist die Feuchtigkeitsschutzhülle 6 als Glasvlieskaschierung ausgeführt.The moisture protection cover 6 is arranged so that here the absorber material 5 from all sides, which are exposed to the weather is covered. in the In the present case these are two sides 8, 9. The moisture protection cover 6 can cover the absorber material 5 but also from all sides. This can be advantageous in automated production of the soundproofing element 1. In special version is the moisture protection cover 6 as Glasvlieskaschierung executed.

Das äußere Stützelement 7 dient der Befestigung des Absorbermaterials 5. Es umfaßt das Absorbermaterial 5 und damit die Feuchtigkeitsschutzhülle 6 an mindestens zwei Seiten 8, 9. Es ist aber auch möglich, daß das äußere Stützelement 7 das Absorbermaterial von weiteren Seiten umfaßt. Das äußere Stützelement 7 dient damit gleichzeitig zum Schutz des Absorbermaterials 5 vor Steinschlag, Vandalismus o. ä.. In mindestens einer Seite, hier und vorzugsweise in zwei Seiten des Stützelementes 7, die der Witterung ausgesetzt sind, sind Schalldurchtrittsöffnungen 7' vorgesehen, so daß die Schallwellen bis in das Absorbermaterial 5 eindringen können und nicht nur zurückreflektiert werden. Die von den Schalldurchtrittsöffnungen 7' gebildete freie Fläche beträgt etwa 60 % bis etwa 90 %, vorzugsweise etwa 70 % bis etwa 80 %. Das äußere Stützelement 7 kann als Streckmetallgitter, Lochblech oder Kunststoff-Gitterelement ausgeführt sein. Vorzugsweise ist das äußere Stützelement 7 als Lochblech bestehend aus Aluminium ausgeführt. Die freie Fläche in dem äußeren Stützelement lockert auch den optischen Eindruck des Schallschutzelementes 1 auf. Es erscheint nicht so massiv.The outer support member 7 serves to attach the absorber material 5. It includes the absorber material 5 and thus the moisture protection cover 6 at at least two sides 8, 9. It is also possible that the outer support element 7 includes the absorber material from other sides. The outer Support element 7 thus serves at the same time to protect the absorber material. 5 against falling rocks, vandalism or similar. In at least one page, here and preferably in two sides of the support element 7 exposed to the weather are, sound passage openings 7 'are provided so that the sound waves can penetrate into the absorber material 5 and not only reflected back become. The free surface formed by the sound passage openings 7 ' is about 60% to about 90%, preferably about 70% to about 80%. The outer support member 7 may be as expanded metal mesh, perforated plate or plastic mesh element be executed. Preferably, the outer support member 7 as Perforated plate made of aluminum. The free area in the outer Support element also loosens the visual impression of the soundproofing element 1 on. It does not seem so massive.

Der Schallabsorptionsaufbau 4 weist üblicherweise eine Dicke von etwa 50 mm bis etwa 250 mm, vorzugsweise von etwa 70 mm bis etwa 150 mm auf. Die schallabsorbierende Einlage 3 weist eine Dicke von etwa 5 mm bis etwa 30 mm, vorzugsweise von etwa 15 mm bis etwa 25 mm auf. Die Parameter sind dabei so gewählt, daß die Schallabsorption ausreichend, dabei das Schallschutzelement nicht zu massiv und noch handhabbar ist.The sound absorption structure 4 usually has a thickness of about 50 mm to about 250 mm, preferably from about 70 mm to about 150 mm. The sound absorbing insert 3 has a thickness of about 5 mm to about 30 mm, preferably from about 15 mm to about 25 mm. The parameters are chosen so that the sound absorption sufficient, while the soundproofing element not too massive and still manageable.

Für die schallabsorbierende Einlage wird vorzugsweise ein amorphes Material verwendet, insbesondere ein Glas oder ein Kunststoff. Für weitere Ausführungen, welches Material geeignet ist, wird hiermit auf die DE 199 06 989 A 1 verwiesen.For the sound-absorbing insert is preferably an amorphous material used, in particular a glass or a plastic. For further versions, which material is suitable is hereby made to DE 199 06 989 A1 directed.

In bevorzugter Ausführung besteht der Profilrahmen 2 aus Aluminium und ist insbesondere seewasserbeständig ausgeführt. Dies ist von besonderem Vorteil, da das Schallschutzelement 1 gerade im Winter bei Einsatz von Salz als Streumittel hohen Belastungen ausgesetzt ist.In a preferred embodiment, the profile frame 2 made of aluminum and is especially seawater resistant. This is of particular advantage because the soundproofing element 1 just in winter when using salt as Spreading material is exposed to high loads.

Die schallabsorbierende Einlage 3 und der Schallabsorptionsaufbau 4 werden randseitig von dem Profilrahmen 2 gehalten. Die Befestigung an dem Profilrahmen 2 erfolgt dabei durch eine Klemmpressung, Anschrauben o. ä. In bevorzugter Ausführung ist die schallabsorbierende Einlage 3 von einem eigenem Rahmen 10 umgeben der dann an/in dem Profilrahmen befestigt ist.The sound absorbing liner 3 and the sound absorption structure 4 become held at the edge of the profile frame 2. The attachment to the profile frame 2 takes place by a clamping pressure, screwing o. Ä. In preferred Execution is the sound-absorbing insert 3 of its own Surround frame 10 which is then attached to / in the profile frame.

Das Schallschutzelement 1 ist in bevorzugter Ausführung entsprechend den Anforderungen der ZTV-Lsw 88 (Zusätzliche Technische Vorschriften und Richtlinien für die Ausführung von Lärmschutzwänden an Straßen, Ausgabe 1988) absorbierend ausgeführt. Es entspricht insbesondere auch den Anforderungen an die Gruppe A2 des Anhangs A der Norm DIN EN 1793-1 (Deutsche Industrie Norm - Europäische Norm). Die Einhaltung bestimmter Normen und Verordnungen ist in Deutschland für den Einsatz eines Schallschutzelementes 1 an bestimmten Verkehrswegen vorgeschrieben.The soundproofing element 1 is in a preferred embodiment according to the Requirements of ZTV-Lsw 88 (Additional Technical Regulations and Guidelines for the execution of noise barriers on roads, edition 1988). It also meets the requirements in particular to group A2 of Annex A of standard DIN EN 1793-1 (German Industry standard - European standard). Compliance with certain standards and regulations is in Germany for the use of a soundproofing element 1 prescribed on certain roads.

Fig. 3 zeigt ein weiteres Ausführungsbeispiel eines erfindungsgemäßen Schallschutzelementes 1. Bei diesem Ausführungsbeispiel weist die schallabsorbierende Einlage 3 einen eigenen Rahmen 10 auf. Hier und vorzugsweise umfaßt der Rahmen 10 der schallabsorbierenden Einlage 3 diese an zwei gegenüberliegenden Rändern. Die schallabsorbierende Einlage 3 wird dabei nur an diesen Rändern abgedeckt. Die schallabsorbierende Einlage 3 ist mittels ihres Rahmens 10 an dem Profilrahmen 2 befestigt.Fig. 3 shows a further embodiment of an inventive Soundproofing element 1. In this embodiment, the sound-absorbing Insert 3 a separate frame 10 on. Here and preferably the frame 10 of the sound absorbing insert 3 comprises these at two opposite Edges. The sound-absorbing insert 3 is only covered at these edges. The sound-absorbing insert 3 is by means of her Frame 10 attached to the profile frame 2.

Der Profilrahmen 2 des Schallschutzelementes 1 ist hier und vorzugsweise als Rechteckrohr ausgeführt. Der Profilrahmen 2 ist deutlich breiter als die schallabsorbierende Einlage 3 zusammen mit ihrem Rahmen 10, so daß durch den Profilrahmen 2 und die schallabsorbierende Einlage 3 eine im wesentlichen rechtwinklige Ecke gebildet wird. In dieser Ecke ist ein Winkelprofil 11 aus Metall, vorzugsweise aus Aluminium, so angeordnet, daß eine Seite des Winkelprofils 11 an dem Profilrahmen 2 befestigbar ist und die andere Seite des Winkelprofils 11 an dem Rahmen 10 der schallabsorbierenden Einlage 3 befestigbar ist. An jedem der zwei Enden des Winkelprofils 11 ist ein Z-Profil 12, 13 aus Metall, vorzugsweise aus Aluminium angeordnet. Das Z-Profil 12 ist dabei so angeordnet, daß an der der schallabsorbierende Einlage 3 gegenüberliegenden Seite zwischen Profilrahmen 2 und Z-Profil 12 ein Spalt ist. Das Z-Profil 13 ist so angeordnet, daß an der dem Profilrahmen 2 gegenüberliegenden Seite zwischen dem Winkelprofil 11 und dem Z-Profil 13 ein Spalt ist. Das äußere Stützelement 7 ist so geformt, daß es in beide Spalten hineinragt. Der zwischen dem Winkelprofil 11 und dem äußeren Stützelement 7 gebildete Hohlraum ist durch das Absorbermaterial 5 mit der Feuchtigkeitsschutzhülle 6 ausgefüllt. Das äußere Stützelement 7 ist durch eine Klebverbindung, eine Schweißverbindung, eine Schraubverbindung o. ä. befestigt. Das äußere Stützelement 7 kann aber auch durch ein Schließblech 14, welches an dem Profilrahmen 2 und dem äußeren Stützelement 7 angeordnet ist, befestigt sein.The profile frame 2 of the soundproofing element 1 is here and preferably as Rectangular tube executed. The profile frame 2 is much wider than the sound-absorbing insert 3 together with its frame 10, so that the profile frame 2 and the sound-absorbing insert 3 a substantially right-angled corner is formed. In this corner is an angle 11 of metal, preferably of aluminum, arranged so that one side of the Angle profile 11 can be fastened to the profile frame 2 and the other side the angle profile 11 on the frame 10 of the sound-absorbing insert 3rd is fastened. At each of the two ends of the angle section 11 is a Z-profile 12, 13 arranged of metal, preferably made of aluminum. The Z-profile 12 is arranged so that at the sound-absorbing insert. 3 opposite side between the profile frame 2 and Z-profile 12 a gap is. The Z-profile 13 is arranged so that at the profile frame 2 opposite Side between the angle section 11 and the Z-profile 13 a Gap is. The outer support member 7 is shaped so that it in both columns protrudes. The between the angle section 11 and the outer support member 7 formed cavity is through the absorber material 5 with the moisture protection cover 6 filled out. The outer support element 7 is characterized by an adhesive bond, a welded joint, a screw o. Ä. Attached. But the outer support member 7 can also by a strike plate 14, which is arranged on the profile frame 2 and the outer support member 7, attached be.

Das Schallschutzelement 1 weist üblicherweise eine Länge von etwa 1,5 m bis etwa 6,0 m auf, vorzugsweise, von etwa 2,0 m bis etwa 2,5 m oder von etwa 4,0 m bis etwa 5,0 m. Das Schallschutzelement 1 weist üblicherweise eine Höhe von etwa 0,3 m bis etwa 4,0 m, vorzugsweise, von etwa 0,5 m bis etwa 1,0 m oder von etwa 1,0 m bis etwa 3,0 m auf.The soundproofing element 1 usually has a length of about 1.5 m to about 6.0 meters, preferably, from about 2.0 meters to about 2.5 meters, or about 4.0 m to about 5.0 m. The soundproofing element 1 usually has one Height from about 0.3 m to about 4.0 m, preferably from about 0.5 m to about 1.0 m or from about 1.0 m to about 3.0 m.

Fig. 4 zeigt eine Lärmschutzwand 15 die aus mindestens einem Schallschutzelement 1 und zwei randseitigen Pfosten 16, 17 besteht. Die Pfosten 16, 17 dienen zur Halterung des Schallschutzelementes 1. Durch Aneinanderreihung von mehreren Schallschutzelementen 1 mit einer entsprechenden Anzahl Pfosten 16, 17 dazwischen kann eine beliebig lange Lärmschutzwand 15 gebildet werden. Desweiteren ist es möglich, mehrere Schallschutzelemente 1 übereinander anzuordnen, so daß auch die Höhe der Lärmschutzwand 15 variabel gestaltet werden kann.Fig. 4 shows a noise barrier 15 which consists of at least one soundproofing element 1 and two edge posts 16, 17 consists. The posts 16, 17 serve to hold the soundproofing element 1. By juxtaposing of several soundproofing elements 1 with an appropriate number of posts 16, 17 in between an arbitrarily long noise protection wall 15 is formed become. Furthermore, it is possible, several sound insulation elements 1 above the other to arrange, so that the height of the noise barrier 15 is variable can be.

Claims (15)

Schallschutzelement für eine Lärmschutzwand
mit einem formstabilen Profilrahmen (2) und mindestens einer von dem Profilrahmen (2) gehaltenen schallabsorbierenden Einlage (3) aus transparentem Material,
dadurch gekennzeichnet, daß zusätzlich zu der schallabsorbierenden Einlage (3) ein Schallabsorptionsaufbau (4) vorgesehen ist und
daß der Schallabsorptionsaufbau (4) im Profilrahmen (2) dergestalt angeordnet ist, daß er höchstens einen Teil der schallabsorbierenden Einlage (3) abdeckt.Soundproofing element for a noise barrier
with a dimensionally stable profile frame (2) and at least one sound-absorbing insert (3) of transparent material held by the profile frame (2),
characterized in that in addition to the sound absorbing insert (3) a sound absorption structure (4) is provided and
that the sound absorption structure (4) in the profile frame (2) is arranged such that it covers at most a part of the sound-absorbing insert (3). Schallschutzelement nach Anspruch 1, dadurch gekennzeichnet, daß der Schallabsorptionsaufbau (4) so angeordnet ist, daß durch die gesamte Fläche des Schallabsorptionsaufbaus (4) ein Teil der schallabsorbierenden Einlage (3) abgedeckt ist.Soundproofing element according to claim 1, characterized in that the sound absorption structure (4) is arranged so that a part of the sound-absorbing insert (3) is covered by the entire surface of the sound absorption structure (4). Schallschutzelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Schallabsorptionsaufbau (4) die schallabsorbierende Einlage (3) randseitig abdeckt, vorzugsweise, daß der Schallabsorptionsaufbau (4) die schallabsorbierende Einlage (3) randseitig umlaufend abdeckt.Soundproofing element according to Claim 1 or 2, characterized in that the sound absorption structure (4) covers the sound-absorbing insert (3) at the edge, preferably in that the sound absorption structure (4) covers the sound-absorbing insert (3) at the edge. Schallschutzelement nach Anspruch 1, dadurch gekennzeichnet, daß der Schallabsorptionsaufbau (4) neben der schallabsorbierenden Einlage (3) angeordnet ist, so daß auch kein Teil der schallabsorbierende Einlage (3) abgedeckt ist.Soundproofing element according to claim 1, characterized in that the sound absorption structure (4) is arranged next to the sound-absorbing insert (3), so that no part of the sound-absorbing insert (3) is covered. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Schallabsorptionsaufbau (4) einen Kern aus Absorbermaterial (5), eine Feuchtigkeitsschutzhülle (6) und ein äußeres Stützelement (7) aufweist, vorzugsweise, daß das Absorbermaterial (5) als Mineralfasermaterial ausgeführt ist, und/oder, daß das Absorbermaterial (5) eine Dichte von etwa 80 kg/m3 bis etwa 120 kg/m3, vorzugsweise von etwa 90 kg/m3 bis etwa 110 kg/m3 aufweist. Soundproofing element according to one of the preceding claims, characterized in that the sound absorption structure (4) comprises a core of absorber material (5), a moisture protection cover (6) and an outer support element (7), preferably that the absorber material (5) is designed as a mineral fiber material , and / or that the absorber material (5) has a density of from about 80 kg / m 3 to about 120 kg / m 3 , preferably from about 90 kg / m 3 to about 110 kg / m 3 . Schallschutzelement nach Anspruch 5, dadurch gekennzeichnet, daß die Feuchtigkeitsschutzhülle (6) als Glasvlieskaschierung ausgeführt ist.Soundproofing element according to claim 5, characterized in that the moisture protection cover (6) is designed as a glass fleece lamination. Schallschutzelement nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Feuchtigkeitsschutzhülle (6) das Absorbermaterial (5) von mindestens einer Seite, vorzugsweise von zwei Seiten abdeckt.Soundproofing element according to claim 5 or 6, characterized in that the moisture protection cover (6) covers the absorber material (5) from at least one side, preferably from two sides. Schallschutzelement nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß das äußere Stützelement (7) mindestens zwei Seiten des Absorbermaterials (5) umfaßt.Soundproofing element according to one of claims 5 to 7, characterized in that the outer support element (7) comprises at least two sides of the absorber material (5). Schallschutzelement nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß in mindestens einer Seite, vorzugsweise in zwei Seiten des äußeren Stützelementes (7) Schalldurchtrittsöffnungen (7') vorgesehen sind, vorzugsweise, daß die von den Schalldurchtrittsöffnungen (7') gebildete freie Fläche etwa 60 % bis etwa 90 % der Gesamtfläche, vorzugsweise etwa 70 % bis etwa 80 % beträgt, und/oder, daß das äußere Stützelement (7) als Streckmetallgitter, Lochblech oder Kunststoff-Gitterelement ausgeführt ist, vorzugsweise, daß das äußere Stützelement (7) als Streckmetallgitter oder Lochblech aus Aluminium ausgeführt ist.Soundproofing element according to one of Claims 5 to 8, characterized in that sound passage openings (7 ') are provided in at least one side, preferably in two sides of the outer support element (7), preferably in that the free surface formed by the sound passage openings (7') about 60% to about 90% of the total area, preferably about 70% to about 80%, and / or that the outer support element (7) is designed as expanded metal mesh, perforated plate or plastic mesh element, preferably that the outer support element (7 ) is designed as an expanded metal grid or perforated plate made of aluminum. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Schallabsorptionsaufbau (4) eine Dicke von etwa 50 mm bis etwa 250 mm, vorzugsweise von etwa 70 mm bis etwa 150 mm aufweist, und/oder, daß die schallabsorbierende Einlage (3) eine Dicke von etwa 5 mm bis etwa 30 mm, vorzugsweise von etwa 15 mm bis etwa 25 mm aufweist.Soundproofing element according to one of the preceding claims, characterized in that the sound absorption structure (4) has a thickness of about 50 mm to about 250 mm, preferably from about 70 mm to about 150 mm, and / or that the sound-absorbing insert (3) has a Thickness of about 5 mm to about 30 mm, preferably from about 15 mm to about 25 mm. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß das Schallschutzelement (1) eine Länge von etwa 1,5 m bis etwa 6,0 m, vorzugsweise, von etwa 2,0 m bis etwa 2,5 m oder von etwa 4,0 m bis etwa 5,0 m aufweist, und/oder, daß das Schallschutzelement (1) eine Höhe von etwa 0,3 m bis etwa 4,0 m, vorzugsweise, von etwa 0, 5 m bis etwa 1,0 m oder von etwa 1,0 m bis etwa 3,0 m aufweist. Soundproofing element according to one of the preceding claims, characterized in that the soundproofing element (1) has a length of about 1.5 m to about 6.0 m, preferably, of about 2.0 m to about 2.5 m or of about 4, 0 m to about 5.0 m, and / or that the soundproofing element (1) has a height of about 0.3 m to about 4.0 m, preferably, from about 0, 5 m to about 1.0 m or from about 1.0 m to about 3.0 m. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß das transparente Material der schallabsorbierenden Einlage (3) ein amorphes Material ist, und/oder, vorzugsweise, daß die schallabsorbierende Einlage (3) aus einem Glas oder einem Kunststoff, insbesondere Acrylglas ausgeführt ist.Soundproofing element according to one of the preceding claims, characterized in that the transparent material of the sound-absorbing insert (3) is an amorphous material, and / or, preferably, that the sound-absorbing insert (3) is made of a glass or a plastic, in particular acrylic glass. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Profilrahmen (2) als Rechteckrohr ausgeführt ist, und/oder, vorzugsweise, daß der Profilrahmen (2) aus Metall, insbesondere aus Aluminium besteht, und/oder, weiter vorzugsweise, daß der Profilrahmen (2) seewasserbeständig ausgeführt ist.Soundproofing element according to one of the preceding claims, characterized in that the profile frame (2) is designed as a rectangular tube, and / or, preferably, that the profile frame (2) made of metal, in particular aluminum, and / or, more preferably, that Profile frame (2) is seawater resistant. Schallschutzelement nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß das Schallschutzelement (1) entsprechend den Anforderungen der ZTV-Lsw 88 absorbierend ausgeführt ist, und/oder, daß das Schallschutzelement (1) mindestens entsprechend Gruppe A2 Anhang A der Norm DIN EN 1793-1 ausgeführt ist.Soundproofing element according to one of the preceding claims, characterized in that the soundproofing element (1) is designed to be absorbent in accordance with the requirements of ZTV-Lsw 88, and / or that the soundproofing element (1) at least according to group A2 appendix A of the standard DIN EN 1793- 1 is executed. Lärmschutzwand bestehend aus mindestens einem Schallschutzelement (1) und mindestens zwei Pfosten (16, 17), dadurch gekennzeichnet, daß das Schallschutzelement (1) die Merkmale mindestens eines der voranstehenden Ansprüche aufweist.Noise barrier consisting of at least one soundproofing element (1) and at least two posts (16, 17), characterized in that the soundproofing element (1) has the features of at least one of the preceding claims.
EP04014299A 2003-11-28 2004-06-18 Sound proofing element Expired - Lifetime EP1536066B1 (en)

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DE10356291A DE10356291B4 (en) 2003-11-28 2003-11-28 Schallschutzelment
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EP3018256A1 (en) * 2014-11-06 2016-05-11 EUROVIA Beton GmbH Soundproofing element
CN107165069A (en) * 2017-06-13 2017-09-15 合肥钢骨玻璃制品有限公司 A kind of reinforcing bar glass noise barrier
CN111503807A (en) * 2020-05-26 2020-08-07 重庆恒鼎泰环境科技有限公司 Natural sound insulation ventilator

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CN101899817B (en) * 2010-06-28 2012-11-07 四川正升声学科技有限公司 Ventilation and pressure release type sound absorption and insulation barrier for high-speed railway
CN101858061B (en) * 2010-06-28 2012-10-24 四川正升声学科技有限公司 Ventilation pressure leakage sound barrier module

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CN107165069A (en) * 2017-06-13 2017-09-15 合肥钢骨玻璃制品有限公司 A kind of reinforcing bar glass noise barrier
CN111503807A (en) * 2020-05-26 2020-08-07 重庆恒鼎泰环境科技有限公司 Natural sound insulation ventilator

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DE10356291B4 (en) 2006-01-05
DE502004000579D1 (en) 2006-06-22
EP1536066B1 (en) 2006-05-17
CN100419167C (en) 2008-09-17
ATE326583T1 (en) 2006-06-15
CN1621621A (en) 2005-06-01
DE10356291A1 (en) 2005-07-07

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