JPH036705Y2 - - Google Patents
Info
- Publication number
- JPH036705Y2 JPH036705Y2 JP1983144314U JP14431483U JPH036705Y2 JP H036705 Y2 JPH036705 Y2 JP H036705Y2 JP 1983144314 U JP1983144314 U JP 1983144314U JP 14431483 U JP14431483 U JP 14431483U JP H036705 Y2 JPH036705 Y2 JP H036705Y2
- Authority
- JP
- Japan
- Prior art keywords
- mounting body
- valve body
- opening surface
- water
- sewage
- 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
- 239000010865 sewage Substances 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000003657 drainage water Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sewage (AREA)
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14431483U JPS6053887U (ja) | 1983-09-17 | 1983-09-17 | 下水等の大型排水溝の逆流防止装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14431483U JPS6053887U (ja) | 1983-09-17 | 1983-09-17 | 下水等の大型排水溝の逆流防止装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6053887U JPS6053887U (ja) | 1985-04-16 |
| JPH036705Y2 true JPH036705Y2 (de) | 1991-02-20 |
Family
ID=30321854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14431483U Granted JPS6053887U (ja) | 1983-09-17 | 1983-09-17 | 下水等の大型排水溝の逆流防止装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6053887U (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4584132B2 (ja) * | 2004-12-01 | 2010-11-17 | 東京都下水道サービス株式会社 | 逆止弁および排水施設 |
| JP5084877B2 (ja) * | 2004-12-01 | 2012-11-28 | 東京都下水道サービス株式会社 | 逆止弁および排水施設 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57107494A (en) * | 1980-12-25 | 1982-07-03 | Tamotsu Miura | Cap of drain pipe |
-
1983
- 1983-09-17 JP JP14431483U patent/JPS6053887U/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57107494A (en) * | 1980-12-25 | 1982-07-03 | Tamotsu Miura | Cap of drain pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6053887U (ja) | 1985-04-16 |
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