DE3066852D1 - SOUND DAMPING IN VENTILATION CONDUITS - Google Patents

SOUND DAMPING IN VENTILATION CONDUITS

Info

Publication number
DE3066852D1
DE3066852D1 DE8080901859T DE3066852T DE3066852D1 DE 3066852 D1 DE3066852 D1 DE 3066852D1 DE 8080901859 T DE8080901859 T DE 8080901859T DE 3066852 T DE3066852 T DE 3066852T DE 3066852 D1 DE3066852 D1 DE 3066852D1
Authority
DE
Germany
Prior art keywords
sound damping
ventilation conduits
conduits
ventilation
damping
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
Application number
DE8080901859T
Other languages
German (de)
Inventor
Lars Olof Andersson
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.)
Strangbetong AB
Original Assignee
Strangbetong 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 Strangbetong AB filed Critical Strangbetong AB
Application granted granted Critical
Publication of DE3066852D1 publication Critical patent/DE3066852D1/en
Expired legal-status Critical Current

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)
DE8080901859T 1979-10-05 1980-10-01 SOUND DAMPING IN VENTILATION CONDUITS Expired DE3066852D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7908293A SE422609B (en) 1979-10-05 1979-10-05 DEVICE AND PROCEDURE FOR SOUND MUTING OF VENTILATION CHANNELS IN BED CLOVER
PCT/SE1980/000234 WO1981001026A1 (en) 1979-10-05 1980-10-01 Arrangement and method in sound damping of conduits for ventilation in framework elements

Publications (1)

Publication Number Publication Date
DE3066852D1 true DE3066852D1 (en) 1984-04-12

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080901859T Expired DE3066852D1 (en) 1979-10-05 1980-10-01 SOUND DAMPING IN VENTILATION CONDUITS

Country Status (8)

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

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 (en) * 1949-03-26 1950-10-30 Buderus Eisenwerk Process for improving the thermal insulation properties of precast concrete components such as slabs, stones and the like. Like., with continuous cavities
FR1227466A (en) * 1959-03-13 1960-08-22 hollow reinforced concrete elements and method of assembly thereof
SE349842B (en) * 1970-12-21 1972-10-09 Straengbetong Ab

Also Published As

Publication number Publication date
SE7908293L (en) 1981-04-06
NO811847L (en) 1981-06-01
NO152947B (en) 1985-09-09
SE422609B (en) 1982-03-15
EP0044304B1 (en) 1984-03-07
FI68697C (en) 1985-10-10
EP0044304A1 (en) 1982-01-27
DK235981A (en) 1981-05-29
FI68697B (en) 1985-06-28
WO1981001026A1 (en) 1981-04-16
FI811637L (en) 1981-05-27
NO152947C (en) 1985-12-18
BE888283A (en) 1981-07-31

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee