JPH0617874Y2 - 鉄蓋の孔開閉構造 - Google Patents
鉄蓋の孔開閉構造Info
- Publication number
- JPH0617874Y2 JPH0617874Y2 JP1987105803U JP10580387U JPH0617874Y2 JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2 JP 1987105803 U JP1987105803 U JP 1987105803U JP 10580387 U JP10580387 U JP 10580387U JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- iron lid
- hole
- closing
- closing member
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 107
- 229910052742 iron Inorganic materials 0.000 title claims description 54
- 230000002093 peripheral effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987105803U JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987105803U JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6410555U JPS6410555U (enrdf_load_stackoverflow) | 1989-01-20 |
| JPH0617874Y2 true JPH0617874Y2 (ja) | 1994-05-11 |
Family
ID=31338745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987105803U Expired - Lifetime JPH0617874Y2 (ja) | 1987-07-09 | 1987-07-09 | 鉄蓋の孔開閉構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617874Y2 (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583891Y2 (ja) * | 1980-12-10 | 1983-01-22 | 日昭興産株式会社 | 地下連結用蓋の孔開閉構造 |
-
1987
- 1987-07-09 JP JP1987105803U patent/JPH0617874Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6410555U (enrdf_load_stackoverflow) | 1989-01-20 |
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