JPH044047Y2 - - Google Patents
Info
- Publication number
- JPH044047Y2 JPH044047Y2 JP1602386U JP1602386U JPH044047Y2 JP H044047 Y2 JPH044047 Y2 JP H044047Y2 JP 1602386 U JP1602386 U JP 1602386U JP 1602386 U JP1602386 U JP 1602386U JP H044047 Y2 JPH044047 Y2 JP H044047Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- manhole
- frame
- bent
- vertical direction
- 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 description 11
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000037431 insertion Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1602386U JPH044047Y2 (en]) | 1986-02-06 | 1986-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1602386U JPH044047Y2 (en]) | 1986-02-06 | 1986-02-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62129452U JPS62129452U (en]) | 1987-08-15 |
| JPH044047Y2 true JPH044047Y2 (en]) | 1992-02-06 |
Family
ID=30807502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1602386U Expired JPH044047Y2 (en]) | 1986-02-06 | 1986-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044047Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4895691B2 (ja) * | 2006-06-05 | 2012-03-14 | アロン化成株式会社 | 圧力開放式のます又はマンホールの蓋 |
-
1986
- 1986-02-06 JP JP1602386U patent/JPH044047Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62129452U (en]) | 1987-08-15 |
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