JPH0748739Y2 - 防音壁 - Google Patents

防音壁

Info

Publication number
JPH0748739Y2
JPH0748739Y2 JP1990047606U JP4760690U JPH0748739Y2 JP H0748739 Y2 JPH0748739 Y2 JP H0748739Y2 JP 1990047606 U JP1990047606 U JP 1990047606U JP 4760690 U JP4760690 U JP 4760690U JP H0748739 Y2 JPH0748739 Y2 JP H0748739Y2
Authority
JP
Japan
Prior art keywords
soundproof wall
sound
sound absorbing
cylinder
attached
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 - Lifetime
Application number
JP1990047606U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03108012U (en]
Inventor
正治 西村
慶三 大西
博章 佐々木
泰生 住吉
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP1990047606U priority Critical patent/JPH0748739Y2/ja
Publication of JPH03108012U publication Critical patent/JPH03108012U/ja
Application granted granted Critical
Publication of JPH0748739Y2 publication Critical patent/JPH0748739Y2/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)
JP1990047606U 1989-12-19 1990-05-09 防音壁 Expired - Lifetime JPH0748739Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990047606U JPH0748739Y2 (ja) 1989-12-19 1990-05-09 防音壁

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14539189 1989-12-19
JP1-145391 1989-12-19
JP1990047606U JPH0748739Y2 (ja) 1989-12-19 1990-05-09 防音壁

Publications (2)

Publication Number Publication Date
JPH03108012U JPH03108012U (en]) 1991-11-07
JPH0748739Y2 true JPH0748739Y2 (ja) 1995-11-08

Family

ID=31890072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990047606U Expired - Lifetime JPH0748739Y2 (ja) 1989-12-19 1990-05-09 防音壁

Country Status (1)

Country Link
JP (1) JPH0748739Y2 (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5219448B2 (ja) * 2007-10-17 2013-06-26 株式会社熊谷組 防音壁
RU168981U1 (ru) * 2016-04-05 2017-03-01 Общество с ограниченной ответственностью "Институт акустических конструкций" Дифрагирующая панель для шумозащитного экрана
JP7108491B2 (ja) * 2018-07-31 2022-07-28 株式会社竹中土木 騒音低減装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831710A (en) * 1973-01-24 1974-08-27 Lockheed Aircraft Corp Sound absorbing panel
JPS5146969A (ja) * 1974-10-19 1976-04-22 Sumitomo Electric Industries Idotaikenshutsusochi
JPS6175054A (ja) * 1984-09-18 1986-04-17 日本信号株式会社 列車距離測定装置
JPS6326704A (ja) * 1986-07-21 1988-02-04 Mitsubishi Electric Corp 数値制御装置
JP2639393B2 (ja) * 1987-12-22 1997-08-13 科学技術振興事業団 防音壁
JPH01138909U (en]) * 1988-02-29 1989-09-22

Also Published As

Publication number Publication date
JPH03108012U (en]) 1991-11-07

Similar Documents

Publication Publication Date Title
JPH0748739Y2 (ja) 防音壁
JPH0978539A (ja) 吸音筒およびそれが取付けられた吸音構成体
JPS6327054Y2 (en])
JPH1025712A (ja) 吸音パネル
JPH0238864Y2 (en])
JPH01178127U (en])
JPH02102848U (en])
JPH02102847U (en])
JPH0346735U (en])
JPH0243135Y2 (en])
JPH0517301Y2 (en])
JPS61179102U (en])
JPS6136113Y2 (en])
JPS62183018U (en])
JPS6127827Y2 (en])
JPH0216315U (en])
JP3307088B2 (ja) 小型エンジンのマフラ
JPS63147374U (en])
JPS61107801U (en])
JPH0245462Y2 (en])
JPH032103U (en])
JPH01168376U (en])
JPS6241845A (ja) 床構造
JPH0624358A (ja) 車体構造
JPH02119917U (en])

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term