BE888283A - Systeme et procede d'insonorisation de conduits de ventilation dans des elements de charpente, - Google Patents

Systeme et procede d'insonorisation de conduits de ventilation dans des elements de charpente,

Info

Publication number
BE888283A
BE888283A BE0/204376A BE204376A BE888283A BE 888283 A BE888283 A BE 888283A BE 0/204376 A BE0/204376 A BE 0/204376A BE 204376 A BE204376 A BE 204376A BE 888283 A BE888283 A BE 888283A
Authority
BE
Belgium
Prior art keywords
soundproofing
ventilation ducts
framework elements
framework
elements
Prior art date
Application number
BE0/204376A
Other languages
English (en)
Inventor
L O Andersson
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
Publication of BE888283A publication Critical patent/BE888283A/fr

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)
BE0/204376A 1979-10-05 1981-04-03 Systeme et procede d'insonorisation de conduits de ventilation dans des elements de charpente, BE888283A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE888283A true BE888283A (fr) 1981-07-31

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/204376A BE888283A (fr) 1979-10-05 1981-04-03 Systeme et procede d'insonorisation de conduits de ventilation dans des elements de charpente,

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
DK235981A (da) 1981-05-29
EP0044304B1 (fr) 1984-03-07
NO152947B (no) 1985-09-09
NO152947C (no) 1985-12-18
DE3066852D1 (de) 1984-04-12
WO1981001026A1 (fr) 1981-04-16
FI68697B (fi) 1985-06-28
SE422609B (sv) 1982-03-15
FI68697C (fi) 1985-10-10
NO811847L (no) 1981-06-01
FI811637L (fi) 1981-05-27
SE7908293L (sv) 1981-04-06

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: A.B. STRANGBETONG

Effective date: 19930430