FR2377679B1 - - Google Patents

Info

Publication number
FR2377679B1
FR2377679B1 FR7639642A FR7639642A FR2377679B1 FR 2377679 B1 FR2377679 B1 FR 2377679B1 FR 7639642 A FR7639642 A FR 7639642A FR 7639642 A FR7639642 A FR 7639642A FR 2377679 B1 FR2377679 B1 FR 2377679B1
Authority
FR
France
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
Application number
FR7639642A
Other languages
French (fr)
Other versions
FR2377679A1 (fr
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.)
LASA
Original Assignee
LASA
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 LASA filed Critical LASA
Priority to FR7639642A priority Critical patent/FR2377679A1/fr
Publication of FR2377679A1 publication Critical patent/FR2377679A1/fr
Application granted granted Critical
Publication of FR2377679B1 publication Critical patent/FR2377679B1/fr
Granted legal-status Critical Current

Links

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
    • 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
    • E01F8/0052—Grate-style, e.g. as wall facing
    • E01F8/0058—Grate-style, e.g. as wall facing with damping material, e.g. rockwool, sand

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
FR7639642A 1976-12-30 1976-12-30 Modules d'isolation et d'absorption acoustique et ecrans acoustiques realises a partir desdits modules Granted FR2377679A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7639642A FR2377679A1 (fr) 1976-12-30 1976-12-30 Modules d'isolation et d'absorption acoustique et ecrans acoustiques realises a partir desdits modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7639642A FR2377679A1 (fr) 1976-12-30 1976-12-30 Modules d'isolation et d'absorption acoustique et ecrans acoustiques realises a partir desdits modules

Publications (2)

Publication Number Publication Date
FR2377679A1 FR2377679A1 (fr) 1978-08-11
FR2377679B1 true FR2377679B1 (OSRAM) 1979-04-27

Family

ID=9181767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7639642A Granted FR2377679A1 (fr) 1976-12-30 1976-12-30 Modules d'isolation et d'absorption acoustique et ecrans acoustiques realises a partir desdits modules

Country Status (1)

Country Link
FR (1) FR2377679A1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094379A (en) * 1976-09-13 1978-06-13 Body Guard Inc. Sound-absorption panel
FR2621623A1 (fr) * 1987-10-12 1989-04-14 Vincent Jean Francois Element modulaire de protection, et paroi de protection constituee de tels elements
FR2630469B1 (fr) * 1988-04-25 1991-02-15 Val Marcel Structure autoporteuse destinee a la realisation d'ecrans antibruits isolants et absorbants, a correction acoustique variable et son procede de realisation
US10808399B2 (en) * 2017-10-12 2020-10-20 Honeywell International Inc. Enhanced acoustic cell and enhanced acoustic panel, and methods of producing the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090247B (de) * 1957-11-23 1960-10-06 Silberkuhl Wilhelm Johannes Stuetzmauer, insbesondere als seitliche Begrenzung von Strassen
CH425870A (fr) * 1964-08-19 1966-12-15 Gros Andre Glissière de sécurité routière

Also Published As

Publication number Publication date
FR2377679A1 (fr) 1978-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse