JPH0312829Y2 - - Google Patents
Info
- Publication number
- JPH0312829Y2 JPH0312829Y2 JP2943385U JP2943385U JPH0312829Y2 JP H0312829 Y2 JPH0312829 Y2 JP H0312829Y2 JP 2943385 U JP2943385 U JP 2943385U JP 2943385 U JP2943385 U JP 2943385U JP H0312829 Y2 JPH0312829 Y2 JP H0312829Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- tapered
- flange
- flange body
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943385U JPH0312829Y2 (en]) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943385U JPH0312829Y2 (en]) | 1985-02-28 | 1985-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61146553U JPS61146553U (en]) | 1986-09-10 |
| JPH0312829Y2 true JPH0312829Y2 (en]) | 1991-03-26 |
Family
ID=30528233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2943385U Expired JPH0312829Y2 (en]) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312829Y2 (en]) |
-
1985
- 1985-02-28 JP JP2943385U patent/JPH0312829Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61146553U (en]) | 1986-09-10 |
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