JPS6429698U - - Google Patents

Info

Publication number
JPS6429698U
JPS6429698U JP12307487U JP12307487U JPS6429698U JP S6429698 U JPS6429698 U JP S6429698U JP 12307487 U JP12307487 U JP 12307487U JP 12307487 U JP12307487 U JP 12307487U JP S6429698 U JPS6429698 U JP S6429698U
Authority
JP
Japan
Prior art keywords
sound
absorbing
tip
hollow interior
frame
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
JP12307487U
Other languages
English (en)
Other versions
JPH0516636Y2 (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 JP12307487U priority Critical patent/JPH0516636Y2/ja
Publication of JPS6429698U publication Critical patent/JPS6429698U/ja
Application granted granted Critical
Publication of JPH0516636Y2 publication Critical patent/JPH0516636Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
図面はこの考案の実施例を示すものであつて、
第1図は中間省略の縦断面図、第2図は第1図
−線に沿う中間省略の断面図、第3図は吸音突
起の一部破砕拡大側面図、第4図、第5図及び第
6図は吸音突起の変形例の一部破砕側面図である
。 1…枠体、2…前後板、3…中空内部、4…吸
音突起、5…吸音小凹所。

Claims (1)

    【実用新案登録請求の範囲】
  1. 枠体1と、その枠体1の前後面に当てられた前
    後板2とによつて内部3が中空となされ、この中
    空内部3に位置するようにして、木・合成樹脂等
    の金属以外の素材からなる、多数の錐形の吸音突
    起4が、その大径部において前後板2内面に設け
    られ、前側の吸音突起4の尖端部と、後側の吸音
    突起4の尖端部とが相互に入れ違いとなされ、こ
    れら吸音突起4の表面に多数の吸音小凹所5が形
    成されている防音板。
JP12307487U 1987-08-11 1987-08-11 Expired - Lifetime JPH0516636Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12307487U JPH0516636Y2 (ja) 1987-08-11 1987-08-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12307487U JPH0516636Y2 (ja) 1987-08-11 1987-08-11

Publications (2)

Publication Number Publication Date
JPS6429698U true JPS6429698U (ja) 1989-02-22
JPH0516636Y2 JPH0516636Y2 (ja) 1993-04-30

Family

ID=31371595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12307487U Expired - Lifetime JPH0516636Y2 (ja) 1987-08-11 1987-08-11

Country Status (1)

Country Link
JP (1) JPH0516636Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675677A (ja) * 1992-08-27 1994-03-18 Nec Corp キーボード

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675677A (ja) * 1992-08-27 1994-03-18 Nec Corp キーボード

Also Published As

Publication number Publication date
JPH0516636Y2 (ja) 1993-04-30

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