NO811847L - DEVICE AND PROCEDURE FOR SOUND MUTING OF PARALLEL LOCATED VENTILATION CHANNELS IN BEAM - Google Patents

DEVICE AND PROCEDURE FOR SOUND MUTING OF PARALLEL LOCATED VENTILATION CHANNELS IN BEAM

Info

Publication number
NO811847L
NO811847L NO811847A NO811847A NO811847L NO 811847 L NO811847 L NO 811847L NO 811847 A NO811847 A NO 811847A NO 811847 A NO811847 A NO 811847A NO 811847 L NO811847 L NO 811847L
Authority
NO
Norway
Prior art keywords
procedure
ventilation channels
parallel located
sound muting
located ventilation
Prior art date
Application number
NO811847A
Other languages
Norwegian (no)
Other versions
NO152947B (en
NO152947C (en
Inventor
Lars Olof 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 NO811847L publication Critical patent/NO811847L/en
Publication of NO152947B publication Critical patent/NO152947B/en
Publication of NO152947C publication Critical patent/NO152947C/en

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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Duct Arrangements (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Pipe Accessories (AREA)
NO811847A 1979-10-05 1981-06-01 DEVICE AND PROCEDURE FOR SOUND MUTING OF PARALLEL LOCATED VENTILATION CHANNELS IN BEDROOM LAYER ELEMENTS. NO152947C (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO811847L true NO811847L (en) 1981-06-01
NO152947B NO152947B (en) 1985-09-09
NO152947C NO152947C (en) 1985-12-18

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
NO811847A NO152947C (en) 1979-10-05 1981-06-01 DEVICE AND PROCEDURE FOR SOUND MUTING OF PARALLEL LOCATED VENTILATION CHANNELS IN BEDROOM LAYER ELEMENTS.

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
CA2033425A1 (en) * 1990-01-09 1991-07-10 Shlomo Avni 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
EP0044304B1 (en) 1984-03-07
NO152947B (en) 1985-09-09
NO152947C (en) 1985-12-18
FI68697B (en) 1985-06-28
FI811637L (en) 1981-05-27
DE3066852D1 (en) 1984-04-12
EP0044304A1 (en) 1982-01-27
DK235981A (en) 1981-05-29
FI68697C (en) 1985-10-10
SE7908293L (en) 1981-04-06
SE422609B (en) 1982-03-15
WO1981001026A1 (en) 1981-04-16
BE888283A (en) 1981-07-31

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