JPS5273541A - Method of manufacturing noiseemuffled ventilation duct - Google Patents

Method of manufacturing noiseemuffled ventilation duct

Info

Publication number
JPS5273541A
JPS5273541A JP50150029A JP15002975A JPS5273541A JP S5273541 A JPS5273541 A JP S5273541A JP 50150029 A JP50150029 A JP 50150029A JP 15002975 A JP15002975 A JP 15002975A JP S5273541 A JPS5273541 A JP S5273541A
Authority
JP
Japan
Prior art keywords
noiseemuffled
manufacturing
ventilation duct
ventilation
duct
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
JP50150029A
Other languages
Japanese (ja)
Other versions
JPS5645036B2 (en
Inventor
Kenichi Niihara
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP50150029A priority Critical patent/JPS5273541A/en
Publication of JPS5273541A publication Critical patent/JPS5273541A/en
Publication of JPS5645036B2 publication Critical patent/JPS5645036B2/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
    • F24F13/02—Ducting arrangements
    • F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
    • 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
    • F24F2013/242—Sound-absorbing material
    • 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
    • F24F2013/245—Means for preventing or suppressing noise using resonance

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipe Accessories (AREA)
  • Thermal Insulation (AREA)
  • Ventilation (AREA)
JP50150029A 1975-12-15 1975-12-15 Method of manufacturing noiseemuffled ventilation duct Granted JPS5273541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50150029A JPS5273541A (en) 1975-12-15 1975-12-15 Method of manufacturing noiseemuffled ventilation duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50150029A JPS5273541A (en) 1975-12-15 1975-12-15 Method of manufacturing noiseemuffled ventilation duct

Publications (2)

Publication Number Publication Date
JPS5273541A true JPS5273541A (en) 1977-06-20
JPS5645036B2 JPS5645036B2 (en) 1981-10-23

Family

ID=15487931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50150029A Granted JPS5273541A (en) 1975-12-15 1975-12-15 Method of manufacturing noiseemuffled ventilation duct

Country Status (1)

Country Link
JP (1) JPS5273541A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767192U (en) * 1980-10-11 1982-04-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767192U (en) * 1980-10-11 1982-04-22

Also Published As

Publication number Publication date
JPS5645036B2 (en) 1981-10-23

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