JPH018621Y2 - - Google Patents
Info
- Publication number
- JPH018621Y2 JPH018621Y2 JP8790385U JP8790385U JPH018621Y2 JP H018621 Y2 JPH018621 Y2 JP H018621Y2 JP 8790385 U JP8790385 U JP 8790385U JP 8790385 U JP8790385 U JP 8790385U JP H018621 Y2 JPH018621 Y2 JP H018621Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- bottom block
- annular groove
- outer peripheral
- outflow pipe
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009415 formwork Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8790385U JPH018621Y2 (en]) | 1985-06-11 | 1985-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8790385U JPH018621Y2 (en]) | 1985-06-11 | 1985-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS623884U JPS623884U (en]) | 1987-01-10 |
| JPH018621Y2 true JPH018621Y2 (en]) | 1989-03-08 |
Family
ID=30640544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8790385U Expired JPH018621Y2 (en]) | 1985-06-11 | 1985-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH018621Y2 (en]) |
-
1985
- 1985-06-11 JP JP8790385U patent/JPH018621Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS623884U (en]) | 1987-01-10 |
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