DK498477A - - Google Patents

Info

Publication number
DK498477A
DK498477A DK498477A DK498477A DK498477A DK 498477 A DK498477 A DK 498477A DK 498477 A DK498477 A DK 498477A DK 498477 A DK498477 A DK 498477A DK 498477 A DK498477 A DK 498477A
Authority
DK
Denmark
Application number
DK498477A
Other languages
Danish (da)
Other versions
DK140951C (es
DK140951B (da
Inventor
J Wested
Original Assignee
Elektronikcentralen
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 Elektronikcentralen filed Critical Elektronikcentralen
Priority to DK498477A priority Critical patent/DK140951B/da
Priority to DK345278AA priority patent/DK142710B/da
Priority to US05/956,274 priority patent/US4244439A/en
Priority to SE7811467A priority patent/SE440101B/sv
Priority to FR7831550A priority patent/FR2408888A1/fr
Priority to LU80501A priority patent/LU80501A1/fr
Priority to NO783774A priority patent/NO153066C/no
Priority to DE19782848597 priority patent/DE2848597A1/de
Priority to NL7811154A priority patent/NL7811154A/xx
Priority to JP13798178A priority patent/JPS5499401A/ja
Priority to IT69581/78A priority patent/IT1108395B/it
Priority to BE191665A priority patent/BE871925A/xx
Priority to GB7844061A priority patent/GB2010944B/en
Publication of DK498477A publication Critical patent/DK498477A/da
Publication of DK140951B publication Critical patent/DK140951B/da
Application granted granted Critical
Publication of DK140951C publication Critical patent/DK140951C/da

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
    • E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces
    • 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
    • E01F8/0076—Cellular, e.g. as wall facing
    • E01F8/0082—Cellular, e.g. as wall facing with damping material
    • 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
    • E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • 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
DK498477A 1977-11-10 1977-11-10 Lydabsorberende struktur. DK140951B (da)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DK498477A DK140951B (da) 1977-11-10 1977-11-10 Lydabsorberende struktur.
DK345278AA DK142710B (da) 1977-11-10 1978-08-04 Lydabsorberende struktur.
US05/956,274 US4244439A (en) 1977-11-10 1978-10-31 Sound-absorbing structure
SE7811467A SE440101B (sv) 1977-11-10 1978-11-06 Ljudabsorberande struktur parallell med ett ljudfelts utstreckning
FR7831550A FR2408888A1 (fr) 1977-11-10 1978-11-08 Structure d'absorption du son
NO783774A NO153066C (no) 1977-11-10 1978-11-09 Lydabsorberende konstruksjon.
LU80501A LU80501A1 (fr) 1977-11-10 1978-11-09 Structure d'absorption du son
DE19782848597 DE2848597A1 (de) 1977-11-10 1978-11-09 Schalldaemmendes gebilde
NL7811154A NL7811154A (nl) 1977-11-10 1978-11-10 Geluid-absorberende constructie.
JP13798178A JPS5499401A (en) 1977-11-10 1978-11-10 Sound absorbing structure
IT69581/78A IT1108395B (it) 1977-11-10 1978-11-10 Struttura fonoassorbente particolarmente per la attenuazione dei rumori del traffico autostradale ed aeroportuale
BE191665A BE871925A (fr) 1977-11-10 1978-11-10 Structure absorbant les sons
GB7844061A GB2010944B (en) 1977-11-10 1978-11-10 Sound-absorbingstructures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK498477A DK140951B (da) 1977-11-10 1977-11-10 Lydabsorberende struktur.

Publications (3)

Publication Number Publication Date
DK498477A true DK498477A (es) 1979-05-11
DK140951B DK140951B (da) 1979-12-10
DK140951C DK140951C (es) 1980-05-27

Family

ID=8138412

Family Applications (1)

Application Number Title Priority Date Filing Date
DK498477A DK140951B (da) 1977-11-10 1977-11-10 Lydabsorberende struktur.

Country Status (2)

Country Link
BE (1) BE871925A (es)
DK (1) DK140951B (es)

Also Published As

Publication number Publication date
DK140951C (es) 1980-05-27
DK140951B (da) 1979-12-10
BE871925A (fr) 1979-03-01

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Legal Events

Date Code Title Description
PBP Patent lapsed