JPS643905Y2 - - Google Patents

Info

Publication number
JPS643905Y2
JPS643905Y2 JP1982179258U JP17925882U JPS643905Y2 JP S643905 Y2 JPS643905 Y2 JP S643905Y2 JP 1982179258 U JP1982179258 U JP 1982179258U JP 17925882 U JP17925882 U JP 17925882U JP S643905 Y2 JPS643905 Y2 JP S643905Y2
Authority
JP
Japan
Prior art keywords
duct
sound
plate
core material
noise
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.)
Expired
Application number
JP1982179258U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5983294U (ja
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 filed Critical
Priority to JP17925882U priority Critical patent/JPS5983294U/ja
Publication of JPS5983294U publication Critical patent/JPS5983294U/ja
Application granted granted Critical
Publication of JPS643905Y2 publication Critical patent/JPS643905Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
JP17925882U 1982-11-26 1982-11-26 ダクト Granted JPS5983294U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17925882U JPS5983294U (ja) 1982-11-26 1982-11-26 ダクト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17925882U JPS5983294U (ja) 1982-11-26 1982-11-26 ダクト

Publications (2)

Publication Number Publication Date
JPS5983294U JPS5983294U (ja) 1984-06-05
JPS643905Y2 true JPS643905Y2 (en]) 1989-02-01

Family

ID=30388980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17925882U Granted JPS5983294U (ja) 1982-11-26 1982-11-26 ダクト

Country Status (1)

Country Link
JP (1) JPS5983294U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006125214A (ja) * 2004-10-26 2006-05-18 Aisin Seiki Co Ltd 消音装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554635Y2 (en]) * 1974-08-31 1980-02-02
DE2630056A1 (de) * 1975-07-30 1977-02-17 Industrial Acoustics Co Schalldaempfer
JPS567484A (en) * 1979-06-29 1981-01-26 Tokyo Electric Co Ltd Manufacturing of light receiving element used in printer or the like

Also Published As

Publication number Publication date
JPS5983294U (ja) 1984-06-05

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