JPS5850499U - noise reduction device - Google Patents
noise reduction deviceInfo
- Publication number
- JPS5850499U JPS5850499U JP14628581U JP14628581U JPS5850499U JP S5850499 U JPS5850499 U JP S5850499U JP 14628581 U JP14628581 U JP 14628581U JP 14628581 U JP14628581 U JP 14628581U JP S5850499 U JPS5850499 U JP S5850499U
- Authority
- JP
- Japan
- Prior art keywords
- noise reduction
- reduction device
- plate
- sound absorbing
- protrusions
- 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.)
- Pending
Links
Landscapes
- Building Environments (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す騒音低減装置の一部切
欠断面図、第２図、第３図、第４図は本考案のその他の
各実施例を示す騒音低減装置の一部切欠断面図、第５図
は本考案による交差してリブを設けた板状体の斜視図で
ある。
符号の説明、１． ｌａ、 ｌｂ・・・・・・板状
体、２・・・・・・リブ、３・・・・・・多孔質吸音材
、４・・・・・・空気室、５・・・・・・コルゲート、
６・・・・・・ボス、７・・四重孔板、８・・・・・・
孔。FIG. 1 is a partially cutaway sectional view of a noise reduction device showing one embodiment of the present invention, and FIGS. 2, 3, and 4 are parts of noise reduction devices showing other embodiments of the present invention. The cutaway cross-sectional view and FIG. 5 are perspective views of a plate-shaped body provided with intersecting ribs according to the present invention. Explanation of symbols, 1. la, lb... plate-like body, 2... rib, 3... porous sound absorbing material, 4... air chamber, 5...・Colgate,
6...Boss, 7...Quadruple hole plate, 8...
Hole.
Claims (1)
合成樹脂又は強化合成樹脂からなる板状゛ 体と、上記
突条に添着し板状体をおおう吸音材からなる騒音低減装
置。 ２ 突状が同方向に又は交差して設けられたものである
ことを特徴とする実用新案登録請求の範囲第１項記載の
騒音低減装置。 ３ 吸音材が多孔質吸音板であることを特徴とする実用
新案登録請求の範囲第１項又は第２項艷載の騒音低減装
置。 ４ 吸音材が有孔板であることを特徴とする実用新案登
録請求の範囲第１項又は第２項記載の騒音低減装置。[Scope of Claim for Utility Model Registration] 1. A plate-shaped body made of synthetic resin or reinforced synthetic resin in which a plurality of protrusions are integrally molded at appropriate intervals on one side, and a plate-shaped body that is attached to the protrusions and covers the plate-shaped body. Noise reduction device made of sound absorbing material. 2. The noise reduction device according to claim 1, wherein the protrusions are provided in the same direction or intersecting each other. 3. A noise reduction device according to claim 1 or 2 of the utility model registration, characterized in that the sound absorbing material is a porous sound absorbing plate. 4. The noise reduction device according to claim 1 or 2, wherein the sound absorbing material is a perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14628581U JPS5850499U (en) | 1981-09-30 | 1981-09-30 | noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14628581U JPS5850499U (en) | 1981-09-30 | 1981-09-30 | noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5850499U true JPS5850499U (en) | 1983-04-05 |
Family
ID=29939195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14628581U Pending JPS5850499U (en) | 1981-09-30 | 1981-09-30 | noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277052U (en) * | 1985-11-01 | 1987-05-16 | ||
| JP2015180559A (en) * | 2014-03-05 | 2015-10-15 | 三菱重工業株式会社 | Sound absorption structure of hull, and construction method for marine vessel and sound absorption structure |
-
1981
- 1981-09-30 JP JP14628581U patent/JPS5850499U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6277052U (en) * | 1985-11-01 | 1987-05-16 | ||
| JP2015180559A (en) * | 2014-03-05 | 2015-10-15 | 三菱重工業株式会社 | Sound absorption structure of hull, and construction method for marine vessel and sound absorption structure |
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