JPH0242754Y2 - - Google Patents
Info
- Publication number
- JPH0242754Y2 JPH0242754Y2 JP6431884U JP6431884U JPH0242754Y2 JP H0242754 Y2 JPH0242754 Y2 JP H0242754Y2 JP 6431884 U JP6431884 U JP 6431884U JP 6431884 U JP6431884 U JP 6431884U JP H0242754 Y2 JPH0242754 Y2 JP H0242754Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- closing
- manhole
- seal
- receiving
- 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 19
- 238000004873 anchoring Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6431884U JPS60178054U (ja) | 1984-04-28 | 1984-04-28 | マンホ−ルの閉蓋装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6431884U JPS60178054U (ja) | 1984-04-28 | 1984-04-28 | マンホ−ルの閉蓋装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60178054U JPS60178054U (ja) | 1985-11-26 |
| JPH0242754Y2 true JPH0242754Y2 (en]) | 1990-11-14 |
Family
ID=30595289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6431884U Granted JPS60178054U (ja) | 1984-04-28 | 1984-04-28 | マンホ−ルの閉蓋装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60178054U (en]) |
-
1984
- 1984-04-28 JP JP6431884U patent/JPS60178054U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60178054U (ja) | 1985-11-26 |
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