DE3784171T2 - Schallabsorbierendes rohr. - Google Patents

Schallabsorbierendes rohr.

Info

Publication number
DE3784171T2
DE3784171T2 DE19873784171 DE3784171T DE3784171T2 DE 3784171 T2 DE3784171 T2 DE 3784171T2 DE 19873784171 DE19873784171 DE 19873784171 DE 3784171 T DE3784171 T DE 3784171T DE 3784171 T2 DE3784171 T2 DE 3784171T2
Authority
DE
Germany
Prior art keywords
sound absorbing
absorbing tube
tube
sound
absorbing
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 - Fee Related
Application number
DE19873784171
Other languages
English (en)
Other versions
DE3784171D1 (de
Inventor
Naoyuki Furuta
Shinta Yamamura
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.)
Nitto Boseki Co Ltd
Original Assignee
Nitto Boseki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Boseki Co Ltd filed Critical Nitto Boseki Co Ltd
Publication of DE3784171D1 publication Critical patent/DE3784171D1/de
Application granted granted Critical
Publication of DE3784171T2 publication Critical patent/DE3784171T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE19873784171 1987-11-11 1987-11-11 Schallabsorbierendes rohr. Expired - Fee Related DE3784171T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19870116656 EP0315710B1 (de) 1987-11-11 1987-11-11 Schallabsorbierendes Rohr

Publications (2)

Publication Number Publication Date
DE3784171D1 DE3784171D1 (de) 1993-03-25
DE3784171T2 true DE3784171T2 (de) 1993-07-29

Family

ID=8197438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873784171 Expired - Fee Related DE3784171T2 (de) 1987-11-11 1987-11-11 Schallabsorbierendes rohr.

Country Status (2)

Country Link
EP (1) EP0315710B1 (de)
DE (1) DE3784171T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1259060B (it) * 1992-03-10 1996-03-11 Struttura di barriera antirumore
IT1279551B1 (it) * 1995-05-22 1997-12-16 Tubosider Italiana S P A Riduttore di rumore per barriere acustiche stradali
FR2778487A1 (fr) * 1998-05-05 1999-11-12 Socarel Dispositif de reduction des nuisances sonores et ecran anti-bruit muni d'un tel dispositif
NL1018220C2 (nl) * 2001-06-06 2002-12-10 Henricus Johannes Raym Pessers Geluidsscherm voor een verkeersweg.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2226910A5 (en) * 1973-04-20 1974-11-15 Elastomeres Plastiques Motorway sound-insulating panel - several aligned screens adjacent motorway
DE2617000B2 (de) * 1976-04-17 1981-04-02 Grünzweig + Hartmann Montage GmbH, 6700 Ludwigshafen Kulissen-Luft-Schalldämpfer
BE878854A (fr) * 1979-09-18 1980-01-16 Delhez Philippe Methode de realisation de barrieres acoustiques

Also Published As

Publication number Publication date
DE3784171D1 (de) 1993-03-25
EP0315710B1 (de) 1993-02-10
EP0315710A1 (de) 1989-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee