JPH0430113U - - Google Patents

Info

Publication number
JPH0430113U
JPH0430113U JP7156090U JP7156090U JPH0430113U JP H0430113 U JPH0430113 U JP H0430113U JP 7156090 U JP7156090 U JP 7156090U JP 7156090 U JP7156090 U JP 7156090U JP H0430113 U JPH0430113 U JP H0430113U
Authority
JP
Japan
Prior art keywords
sound
absorbing louver
sound absorbing
refraction
louver
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
JP7156090U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0647932Y2 (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 JP7156090U priority Critical patent/JPH0647932Y2/ja
Publication of JPH0430113U publication Critical patent/JPH0430113U/ja
Application granted granted Critical
Publication of JPH0647932Y2 publication Critical patent/JPH0647932Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
JP7156090U 1990-07-06 1990-07-06 車両走行路天井用吸音ルーバー Expired - Lifetime JPH0647932Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7156090U JPH0647932Y2 (ja) 1990-07-06 1990-07-06 車両走行路天井用吸音ルーバー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7156090U JPH0647932Y2 (ja) 1990-07-06 1990-07-06 車両走行路天井用吸音ルーバー

Publications (2)

Publication Number Publication Date
JPH0430113U true JPH0430113U (cs) 1992-03-11
JPH0647932Y2 JPH0647932Y2 (ja) 1994-12-07

Family

ID=31608703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7156090U Expired - Lifetime JPH0647932Y2 (ja) 1990-07-06 1990-07-06 車両走行路天井用吸音ルーバー

Country Status (1)

Country Link
JP (1) JPH0647932Y2 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008082071A (ja) * 2006-09-28 2008-04-10 Mitsubishi Kakoki Kaisha Ltd 車両走行路の吸遮音構造
JP2008144996A (ja) * 2006-12-07 2008-06-26 Mk Seiko Co Ltd 消音装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008082071A (ja) * 2006-09-28 2008-04-10 Mitsubishi Kakoki Kaisha Ltd 車両走行路の吸遮音構造
JP2008144996A (ja) * 2006-12-07 2008-06-26 Mk Seiko Co Ltd 消音装置

Also Published As

Publication number Publication date
JPH0647932Y2 (ja) 1994-12-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term