JPS6096414U - porous sound absorbing board - Google Patents

porous sound absorbing board

Info

Publication number
JPS6096414U
JPS6096414U JP18870083U JP18870083U JPS6096414U JP S6096414 U JPS6096414 U JP S6096414U JP 18870083 U JP18870083 U JP 18870083U JP 18870083 U JP18870083 U JP 18870083U JP S6096414 U JPS6096414 U JP S6096414U
Authority
JP
Japan
Prior art keywords
porous sound
sound absorbing
absorbing board
volume
sound
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
JP18870083U
Other languages
Japanese (ja)
Other versions
JPH0111787Y2 (en
Inventor
纐纈　満
太田　義博
今泉　泰史
Original Assignee
日本碍子株式会社
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 日本碍子株式会社 filed Critical 日本碍子株式会社
Priority to JP18870083U priority Critical patent/JPS6096414U/en
Publication of JPS6096414U publication Critical patent/JPS6096414U/en
Application granted granted Critical
Publication of JPH0111787Y2 publication Critical patent/JPH0111787Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１の実施例を示す側面図、第２図は
本考案の第２の実施例を示す側面図、第３図は各種の多
孔質吸音板の吸音率を示すグラフである。 １：吸音材、２：凹条、３：凸条、４：空気層。Fig. 1 is a side view showing the first embodiment of the present invention, Fig. 2 is a side view showing the second embodiment of the invention, and Fig. 3 is a graph showing the sound absorption coefficient of various porous sound absorbing plates. It is. 1: Sound absorbing material, 2: Concave strip, 3: Convex strip, 4: Air layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 接合面に多数の凹条２と凸条３とが交互に配設された多
孔質の吸音材１の複数枚を相互間に該吸音材１の容積の
０．５〜Ｗ倍の容積を有する空気層４を形成させて積層
一体化したことを特徴とする多孔質吸音板。A plurality of porous sound-absorbing materials 1 each having a large number of grooves 2 and protrusions 3 alternately arranged on the joint surface have a volume between them that is 0.5 to W times the volume of the sound-absorbing material 1. A porous sound-absorbing board characterized by being integrally laminated with an air layer 4 formed therein.
JP18870083U 1983-12-07 1983-12-07 porous sound absorbing board Granted JPS6096414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18870083U JPS6096414U (en) 1983-12-07 1983-12-07 porous sound absorbing board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18870083U JPS6096414U (en) 1983-12-07 1983-12-07 porous sound absorbing board

Publications (2)

Publication Number Publication Date
JPS6096414U true JPS6096414U (en) 1985-07-01
JPH0111787Y2 JPH0111787Y2 (en) 1989-04-06

Family

ID=30407017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18870083U Granted JPS6096414U (en) 1983-12-07 1983-12-07 porous sound absorbing board

Country Status (1)

Country Link
JP (1) JPS6096414U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004019818A (en) * 2002-06-18 2004-01-22 Ikeuchi:Kk Silencing cover for nozzle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812406A (en) * 1981-07-15 1983-01-24 Akai Electric Co Ltd Dc offset error preventing circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812406A (en) * 1981-07-15 1983-01-24 Akai Electric Co Ltd Dc offset error preventing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004019818A (en) * 2002-06-18 2004-01-22 Ikeuchi:Kk Silencing cover for nozzle

Also Published As

Publication number Publication date
JPH0111787Y2 (en) 1989-04-06

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