FI811637L - ANALIFICATION OF VENTILATIONS WITH VENTILATIONS AND CHANNELS - Google Patents

ANALIFICATION OF VENTILATIONS WITH VENTILATIONS AND CHANNELS

Info

Publication number
FI811637L
FI811637L FI811637A FI811637A FI811637L FI 811637 L FI811637 L FI 811637L FI 811637 A FI811637 A FI 811637A FI 811637 A FI811637 A FI 811637A FI 811637 L FI811637 L FI 811637L
Authority
FI
Finland
Prior art keywords
ventilations
analification
channels
Prior art date
Application number
FI811637A
Other languages
Finnish (fi)
Other versions
FI68697C (en
FI68697B (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 FI811637L publication Critical patent/FI811637L/en
Application granted granted Critical
Publication of FI68697B publication Critical patent/FI68697B/en
Publication of FI68697C publication Critical patent/FI68697C/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)
  • 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)
FI811637A 1979-10-05 1981-05-27 ANALIFICATION OF VENTILATIONS AND CHANNELS FI68697C (en)

Applications Claiming Priority (4)

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
SE7908293 1979-10-05
PCT/SE1980/000234 WO1981001026A1 (en) 1979-10-05 1980-10-01 Arrangement and method in sound damping of conduits for ventilation in framework elements
SE8000234 1980-10-01

Publications (3)

Publication Number Publication Date
FI811637L true FI811637L (en) 1981-05-27
FI68697B FI68697B (en) 1985-06-28
FI68697C FI68697C (en) 1985-10-10

Family

ID=20338990

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811637A FI68697C (en) 1979-10-05 1981-05-27 ANALIFICATION OF VENTILATIONS AND CHANNELS

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
DK235981A (en) 1981-05-29
EP0044304A1 (en) 1982-01-27
EP0044304B1 (en) 1984-03-07
NO152947C (en) 1985-12-18
DE3066852D1 (en) 1984-04-12
NO152947B (en) 1985-09-09
NO811847L (en) 1981-06-01
BE888283A (en) 1981-07-31
WO1981001026A1 (en) 1981-04-16
SE422609B (en) 1982-03-15
FI68697C (en) 1985-10-10
SE7908293L (en) 1981-04-06
FI68697B (en) 1985-06-28

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: AB STRAENGBETONG