JPS621633Y2 - - Google Patents
Info
- Publication number
- JPS621633Y2 JPS621633Y2 JP14926180U JP14926180U JPS621633Y2 JP S621633 Y2 JPS621633 Y2 JP S621633Y2 JP 14926180 U JP14926180 U JP 14926180U JP 14926180 U JP14926180 U JP 14926180U JP S621633 Y2 JPS621633 Y2 JP S621633Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- cylinder
- ventilation
- sound absorbing
- present
- 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 22
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000271566 Aves Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14926180U JPS621633Y2 (tr) | 1980-10-21 | 1980-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14926180U JPS621633Y2 (tr) | 1980-10-21 | 1980-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5772026U JPS5772026U (tr) | 1982-05-01 |
| JPS621633Y2 true JPS621633Y2 (tr) | 1987-01-14 |
Family
ID=29508654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14926180U Expired JPS621633Y2 (tr) | 1980-10-21 | 1980-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621633Y2 (tr) |
-
1980
- 1980-10-21 JP JP14926180U patent/JPS621633Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5772026U (tr) | 1982-05-01 |
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