CH569339A5 - - Google Patents

Info

Publication number
CH569339A5
CH569339A5 CH790373A CH790373A CH569339A5 CH 569339 A5 CH569339 A5 CH 569339A5 CH 790373 A CH790373 A CH 790373A CH 790373 A CH790373 A CH 790373A CH 569339 A5 CH569339 A5 CH 569339A5
Authority
CH
Switzerland
Prior art keywords
sound
walls
absorbing
absorbing material
consist
Prior art date
Application number
CH790373A
Other languages
German (de)
English (en)
Original Assignee
Keller Alfred
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
Priority claimed from CH65373A external-priority patent/CH559952A5/de
Application filed by Keller Alfred filed Critical Keller Alfred
Priority to CH790373A priority Critical patent/CH569339A5/de
Priority to AT11274A priority patent/AT361965B/de
Priority to DE2400755A priority patent/DE2400755A1/de
Priority to GB118374A priority patent/GB1462221A/en
Priority to NL7400436A priority patent/NL7400436A/xx
Priority to IT19358/74A priority patent/IT1003374B/it
Priority to CA190,298A priority patent/CA1013267A/en
Priority to BE139894A priority patent/BE809839A/xx
Priority to SE7400542A priority patent/SE399922B/xx
Priority to FR7401418A priority patent/FR2214153B1/fr
Priority to JP49007789A priority patent/JPS49103444A/ja
Priority to ES422349A priority patent/ES422349A1/es
Publication of CH569339A5 publication Critical patent/CH569339A5/de

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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/20—Reflecting arrangements
    • 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
    • E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
CH790373A 1973-01-17 1973-05-30 CH569339A5 (it)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CH790373A CH569339A5 (it) 1973-01-17 1973-05-30
AT11274A AT361965B (de) 1973-01-17 1974-01-08 Einrichtung zum schutz vor laerm
DE2400755A DE2400755A1 (de) 1973-01-17 1974-01-08 Vorrichtung zum schutz vor laerm
GB118374A GB1462221A (en) 1973-01-17 1974-01-10 Device for protection against noise
IT19358/74A IT1003374B (it) 1973-01-17 1974-01-11 Dispositivo per la protezione dai rumori
NL7400436A NL7400436A (it) 1973-01-17 1974-01-11
CA190,298A CA1013267A (en) 1973-01-17 1974-01-16 Noise control device
BE139894A BE809839A (fr) 1973-01-17 1974-01-16 Dispositif de protection contre le bruit
SE7400542A SE399922B (sv) 1973-01-17 1974-01-16 Bullerskydd
FR7401418A FR2214153B1 (it) 1973-01-17 1974-01-16
JP49007789A JPS49103444A (it) 1973-01-17 1974-01-16
ES422349A ES422349A1 (es) 1973-01-17 1974-01-16 Un dispositivo para la proteccion contra el ruido.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH65373A CH559952A5 (it) 1973-01-17 1973-01-17
CH790373A CH569339A5 (it) 1973-01-17 1973-05-30

Publications (1)

Publication Number Publication Date
CH569339A5 true CH569339A5 (it) 1975-11-14

Family

ID=25685269

Family Applications (1)

Application Number Title Priority Date Filing Date
CH790373A CH569339A5 (it) 1973-01-17 1973-05-30

Country Status (1)

Country Link
CH (1) CH569339A5 (it)

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased