JPH0315651Y2 - - Google Patents
Info
- Publication number
- JPH0315651Y2 JPH0315651Y2 JP607887U JP607887U JPH0315651Y2 JP H0315651 Y2 JPH0315651 Y2 JP H0315651Y2 JP 607887 U JP607887 U JP 607887U JP 607887 U JP607887 U JP 607887U JP H0315651 Y2 JPH0315651 Y2 JP H0315651Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- manhole
- cover
- water
- manhole cover
- 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 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP607887U JPH0315651Y2 (enEXAMPLES) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP607887U JPH0315651Y2 (enEXAMPLES) | 1987-01-21 | 1987-01-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63116568U JPS63116568U (enEXAMPLES) | 1988-07-27 |
| JPH0315651Y2 true JPH0315651Y2 (enEXAMPLES) | 1991-04-04 |
Family
ID=30788255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP607887U Expired JPH0315651Y2 (enEXAMPLES) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315651Y2 (enEXAMPLES) |
-
1987
- 1987-01-21 JP JP607887U patent/JPH0315651Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63116568U (enEXAMPLES) | 1988-07-27 |
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