DK235981A - Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer - Google Patents

Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer

Info

Publication number
DK235981A
DK235981A DK235981A DK235981A DK235981A DK 235981 A DK235981 A DK 235981A DK 235981 A DK235981 A DK 235981A DK 235981 A DK235981 A DK 235981A DK 235981 A DK235981 A DK 235981A
Authority
DK
Denmark
Prior art keywords
procedures
layer elements
ventilation channels
beam layer
sound muting
Prior art date
Application number
DK235981A
Other languages
Danish (da)
English (en)
Inventor
L O Andersson
Original Assignee
Straengbetong Ab
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 Straengbetong Ab filed Critical Straengbetong Ab
Publication of DK235981A publication Critical patent/DK235981A/da

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Duct Arrangements (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Pipe Accessories (AREA)
DK235981A 1979-10-05 1981-05-29 Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer DK235981A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7908293A SE422609B (sv) 1979-10-05 1979-10-05 Anordning och forfarande vid ljuddempning av ventilationskanaler i bjelklagselement
PCT/SE1980/000234 WO1981001026A1 (fr) 1979-10-05 1980-10-01 Dispositif et procede d'amortissement sonore de conduits de ventilation dans des elements de structure

Publications (1)

Publication Number Publication Date
DK235981A true DK235981A (da) 1981-05-29

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
DK235981A DK235981A (da) 1979-10-05 1981-05-29 Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer

Country Status (8)

Country Link
EP (1) EP0044304B1 (fr)
BE (1) BE888283A (fr)
DE (1) DE3066852D1 (fr)
DK (1) DK235981A (fr)
FI (1) FI68697C (fr)
NO (1) NO152947C (fr)
SE (1) SE422609B (fr)
WO (1) WO1981001026A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239792A (en) * 1990-01-09 1993-08-31 Teletron Limited Eavesdropping-proof room and sound dampening devices therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US640176A (en) * 1899-02-23 1900-01-02 Heinrich Lehmann Process of producing hollow walls and roofs of cast mortar.
DE800331C (de) * 1949-03-26 1950-10-30 Buderus Eisenwerk Verfahren zur Verbesserung der waermedaemmenden Eigenschaft von Betonfertigbauteilen, wie Platten, Steinen u. dgl., mit durch-gehenden Hohlraeumen
FR1227466A (fr) * 1959-03-13 1960-08-22 éléments évidés en béton armé et leur procédé d'assemblage
SE349842B (fr) * 1970-12-21 1972-10-09 Straengbetong Ab

Also Published As

Publication number Publication date
EP0044304A1 (fr) 1982-01-27
EP0044304B1 (fr) 1984-03-07
NO152947C (no) 1985-12-18
DE3066852D1 (de) 1984-04-12
NO152947B (no) 1985-09-09
FI811637L (fi) 1981-05-27
NO811847L (no) 1981-06-01
BE888283A (fr) 1981-07-31
WO1981001026A1 (fr) 1981-04-16
SE422609B (sv) 1982-03-15
FI68697C (fi) 1985-10-10
SE7908293L (sv) 1981-04-06
FI68697B (fi) 1985-06-28

Similar Documents

Publication Publication Date Title
NO803330L (no) Elektrolysoer og fremgangsmaate for elektrolysering
DK217782A (da) Tastatur og fremgangsmaade til fremstilling af dette
DK106780A (da) Fremgangsmaade og apparat til registrering af informationer
DK36980A (da) Fremgangsmaade til bestemmelse af tumorforbundet glycobindingsholdigt stof og diagnosticering af cancer
DK526280A (da) Substrater og fremgangsmaade til bestemmelse af enzymer
DK158526C (da) Reagens til lipasebestemmelse og fremgangsmaade til fremstilling deraf
DK122481A (da) Sammensat iskonfekture og fremgangsmaade til fremstilling heraf
DK14781A (da) Betonstoebeform og fremgangsmaade til stoebning af betonpaneler
DK239177A (da) Fremgangsmade og apparat til enchifrering henholdsvis dechifrering af klanginformation
AR226483A1 (es) Conjunto ensamblable y fijable de planchas
DK54780A (da) Enantiomere af triazolforbindelser og fremgangsmaade til fremstilling deraf
DK219880A (da) Fremgangsmaade og skaereapparat til forarbejdning af rundtoemmer til kanttoemmer
DK540981A (da) Baand af fastgoerelsesorganer og af underlagsskiver hertil
DK148268C (da) Enzymholdigt afsletningsmiddelkoncentrat og fremgangsmaade til fremstilling deraf
SE7811650L (sv) Sagforfarande och sagblad for utovande av forfarandet
DK235981A (da) Anordning og fremgangsmaade ved lyddaempning af ventilationskanaler i bjaelkelagselementer
IT1121187B (it) Materiale strutturale ceramico poroso per macchine e strumenti acustici
DK350578A (da) Fremgangsmaade til kombineret udnyttelse af skrald og bearbejdelse af spildevand
DK422779A (da) Fremgangsmaade og anordning til lyddampning af stansemaskiner
DK418177A (da) Er bjaelke og fremgangsmaade til fremsitlling af saadanne bjaelk
DK426880A (da) Harzburgit og fremgangsmaade til fremstilling deraf
DK10380A (da) Anordning til kombineret korrektion af lineartets og sidepudeforvraengning
SE7702805L (sv) Forfarande for sagning och stapling av skivor
DK178980A (da) Fugecement og fremgangsmaade ved anvendelse af samme
SE7909237L (sv) Pedal och forfarande for tillverkning derav

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment