JPS57122234A - Sound-proof cylinder for vent - Google Patents

Sound-proof cylinder for vent

Info

Publication number
JPS57122234A
JPS57122234A JP56124040A JP12404081A JPS57122234A JP S57122234 A JPS57122234 A JP S57122234A JP 56124040 A JP56124040 A JP 56124040A JP 12404081 A JP12404081 A JP 12404081A JP S57122234 A JPS57122234 A JP S57122234A
Authority
JP
Japan
Prior art keywords
acoustic material
sound
vent
side walls
partition
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.)
Granted
Application number
JP56124040A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6137530B2 (enrdf_load_stackoverflow
Inventor
Hiromitsu Naka
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.)
Naka Technical Laboratory Co Ltd
Original Assignee
Naka Technical Laboratory Co Ltd
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 Naka Technical Laboratory Co Ltd filed Critical Naka Technical Laboratory Co Ltd
Priority to JP56124040A priority Critical patent/JPS57122234A/ja
Publication of JPS57122234A publication Critical patent/JPS57122234A/ja
Publication of JPS6137530B2 publication Critical patent/JPS6137530B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
JP56124040A 1981-08-10 1981-08-10 Sound-proof cylinder for vent Granted JPS57122234A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56124040A JPS57122234A (en) 1981-08-10 1981-08-10 Sound-proof cylinder for vent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56124040A JPS57122234A (en) 1981-08-10 1981-08-10 Sound-proof cylinder for vent

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP11728976A Division JPS5343939A (en) 1976-10-01 1976-10-01 Muffling cylinder for ventilating hole

Publications (2)

Publication Number Publication Date
JPS57122234A true JPS57122234A (en) 1982-07-30
JPS6137530B2 JPS6137530B2 (enrdf_load_stackoverflow) 1986-08-25

Family

ID=14875523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56124040A Granted JPS57122234A (en) 1981-08-10 1981-08-10 Sound-proof cylinder for vent

Country Status (1)

Country Link
JP (1) JPS57122234A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6137530B2 (enrdf_load_stackoverflow) 1986-08-25

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