JPH0540120Y2 - - Google Patents
Info
- Publication number
- JPH0540120Y2 JPH0540120Y2 JP6084987U JP6084987U JPH0540120Y2 JP H0540120 Y2 JPH0540120 Y2 JP H0540120Y2 JP 6084987 U JP6084987 U JP 6084987U JP 6084987 U JP6084987 U JP 6084987U JP H0540120 Y2 JPH0540120 Y2 JP H0540120Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- blind
- hook hole
- ring
- box
- 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 - Lifetime
Links
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6084987U JPH0540120Y2 (US20110009641A1-20110113-C00116.png) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6084987U JPH0540120Y2 (US20110009641A1-20110113-C00116.png) | 1987-04-22 | 1987-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63171445U JPS63171445U (US20110009641A1-20110113-C00116.png) | 1988-11-08 |
| JPH0540120Y2 true JPH0540120Y2 (US20110009641A1-20110113-C00116.png) | 1993-10-12 |
Family
ID=30893638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6084987U Expired - Lifetime JPH0540120Y2 (US20110009641A1-20110113-C00116.png) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540120Y2 (US20110009641A1-20110113-C00116.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH072712Y2 (ja) * | 1988-04-30 | 1995-01-25 | 長島鋳物株式会社 | 地下構造物用蓋体の土砂排出装置 |
-
1987
- 1987-04-22 JP JP6084987U patent/JPH0540120Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63171445U (US20110009641A1-20110113-C00116.png) | 1988-11-08 |
