JPH02587Y2 - - Google Patents
Info
- Publication number
- JPH02587Y2 JPH02587Y2 JP4174285U JP4174285U JPH02587Y2 JP H02587 Y2 JPH02587 Y2 JP H02587Y2 JP 4174285 U JP4174285 U JP 4174285U JP 4174285 U JP4174285 U JP 4174285U JP H02587 Y2 JPH02587 Y2 JP H02587Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- sound absorbing
- absorbing plate
- sound
- wall
- 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
Links
- 238000009423 ventilation Methods 0.000 claims description 29
- 239000000919 ceramic Substances 0.000 claims description 15
- 238000004079 fireproofing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000003779 heat-resistant material Substances 0.000 description 12
- 239000000779 smoke Substances 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 239000004115 Sodium Silicate Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174285U JPH02587Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-03-22 | 1985-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4174285U JPH02587Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-03-22 | 1985-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61159724U JPS61159724U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-10-03 |
| JPH02587Y2 true JPH02587Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-01-09 |
Family
ID=30551850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4174285U Expired JPH02587Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-03-22 | 1985-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02587Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009162451A (ja) * | 2008-01-09 | 2009-07-23 | Kanai:Kk | 通気口構造 |
| JP6391529B2 (ja) * | 2015-04-24 | 2018-09-19 | 三菱電機株式会社 | 消音部材 |
| JP7553396B2 (ja) * | 2020-07-09 | 2024-09-18 | 大成建設株式会社 | 減音装置及び減音システム |
-
1985
- 1985-03-22 JP JP4174285U patent/JPH02587Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61159724U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-10-03 |