JPH0355668Y2 - - Google Patents
Info
- Publication number
- JPH0355668Y2 JPH0355668Y2 JP9920487U JP9920487U JPH0355668Y2 JP H0355668 Y2 JPH0355668 Y2 JP H0355668Y2 JP 9920487 U JP9920487 U JP 9920487U JP 9920487 U JP9920487 U JP 9920487U JP H0355668 Y2 JPH0355668 Y2 JP H0355668Y2
- Authority
- JP
- Japan
- Prior art keywords
- rubber stopper
- manhole
- sewage
- residential
- rod
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000010865 sewage Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
Landscapes
- Sewage (AREA)
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9920487U JPH0355668Y2 (en]) | 1987-06-27 | 1987-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9920487U JPH0355668Y2 (en]) | 1987-06-27 | 1987-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS645991U JPS645991U (en]) | 1989-01-13 |
| JPH0355668Y2 true JPH0355668Y2 (en]) | 1991-12-11 |
Family
ID=31326143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9920487U Expired JPH0355668Y2 (en]) | 1987-06-27 | 1987-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355668Y2 (en]) |
-
1987
- 1987-06-27 JP JP9920487U patent/JPH0355668Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645991U (en]) | 1989-01-13 |
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