JPS63185200U - - Google Patents
Info
- Publication number
- JPS63185200U JPS63185200U JP7676187U JP7676187U JPS63185200U JP S63185200 U JPS63185200 U JP S63185200U JP 7676187 U JP7676187 U JP 7676187U JP 7676187 U JP7676187 U JP 7676187U JP S63185200 U JPS63185200 U JP S63185200U
- Authority
- JP
- Japan
- Prior art keywords
- layers
- layer
- ventilation holes
- continuous ventilation
- sound absorbing
- 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
Links
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 2
- 239000011358 absorbing material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Compressor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7676187U JPH0455360Y2 (zh) | 1987-05-21 | 1987-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7676187U JPH0455360Y2 (zh) | 1987-05-21 | 1987-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63185200U true JPS63185200U (zh) | 1988-11-29 |
| JPH0455360Y2 JPH0455360Y2 (zh) | 1992-12-25 |
Family
ID=30924147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7676187U Expired JPH0455360Y2 (zh) | 1987-05-21 | 1987-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455360Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4552812B2 (ja) * | 2005-09-13 | 2010-09-29 | 三協立山アルミ株式会社 | 二重サッシ |
-
1987
- 1987-05-21 JP JP7676187U patent/JPH0455360Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455360Y2 (zh) | 1992-12-25 |