JPS6453283U - - Google Patents
Info
- Publication number
- JPS6453283U JPS6453283U JP12466487U JP12466487U JPS6453283U JP S6453283 U JPS6453283 U JP S6453283U JP 12466487 U JP12466487 U JP 12466487U JP 12466487 U JP12466487 U JP 12466487U JP S6453283 U JPS6453283 U JP S6453283U
- Authority
- JP
- Japan
- Prior art keywords
- air pressure
- adjusting
- gutter
- top plate
- manhole
- 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
- 239000000463 material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12466487U JPH0352871Y2 (enExample) | 1987-08-15 | 1987-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12466487U JPH0352871Y2 (enExample) | 1987-08-15 | 1987-08-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6453283U true JPS6453283U (enExample) | 1989-04-03 |
| JPH0352871Y2 JPH0352871Y2 (enExample) | 1991-11-18 |
Family
ID=31374599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12466487U Expired JPH0352871Y2 (enExample) | 1987-08-15 | 1987-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352871Y2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008114460A1 (ja) * | 2007-03-19 | 2008-09-25 | Tokyo Metroporitan Sewerage Service Co., Ltd. | 下水道管の防臭装置 |
-
1987
- 1987-08-15 JP JP12466487U patent/JPH0352871Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008114460A1 (ja) * | 2007-03-19 | 2008-09-25 | Tokyo Metroporitan Sewerage Service Co., Ltd. | 下水道管の防臭装置 |
| JP5016665B2 (ja) * | 2007-03-19 | 2012-09-05 | 東京都下水道サービス株式会社 | 下水道管路用防臭装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352871Y2 (enExample) | 1991-11-18 |