JPH0312830Y2 - - Google Patents
Info
- Publication number
- JPH0312830Y2 JPH0312830Y2 JP6615185U JP6615185U JPH0312830Y2 JP H0312830 Y2 JPH0312830 Y2 JP H0312830Y2 JP 6615185 U JP6615185 U JP 6615185U JP 6615185 U JP6615185 U JP 6615185U JP H0312830 Y2 JPH0312830 Y2 JP H0312830Y2
- Authority
- JP
- Japan
- Prior art keywords
- link
- manhole
- lid
- movable part
- manhole frame
- 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
- 238000012856 packing Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6615185U JPH0312830Y2 (fr) | 1985-05-01 | 1985-05-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6615185U JPH0312830Y2 (fr) | 1985-05-01 | 1985-05-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184754U JPS61184754U (fr) | 1986-11-18 |
| JPH0312830Y2 true JPH0312830Y2 (fr) | 1991-03-26 |
Family
ID=30598784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6615185U Expired JPH0312830Y2 (fr) | 1985-05-01 | 1985-05-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312830Y2 (fr) |
-
1985
- 1985-05-01 JP JP6615185U patent/JPH0312830Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61184754U (fr) | 1986-11-18 |
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