JPS6126229Y2 - - Google Patents
Info
- Publication number
- JPS6126229Y2 JPS6126229Y2 JP1980050401U JP5040180U JPS6126229Y2 JP S6126229 Y2 JPS6126229 Y2 JP S6126229Y2 JP 1980050401 U JP1980050401 U JP 1980050401U JP 5040180 U JP5040180 U JP 5040180U JP S6126229 Y2 JPS6126229 Y2 JP S6126229Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- hinge
- manhole cover
- bolt
- 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 6
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980050401U JPS6126229Y2 (US20020128544A1-20020912-P00008.png) | 1980-04-14 | 1980-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980050401U JPS6126229Y2 (US20020128544A1-20020912-P00008.png) | 1980-04-14 | 1980-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56153488U JPS56153488U (US20020128544A1-20020912-P00008.png) | 1981-11-17 |
| JPS6126229Y2 true JPS6126229Y2 (US20020128544A1-20020912-P00008.png) | 1986-08-06 |
Family
ID=29645341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980050401U Expired JPS6126229Y2 (US20020128544A1-20020912-P00008.png) | 1980-04-14 | 1980-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6126229Y2 (US20020128544A1-20020912-P00008.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4020099Y1 (US20020128544A1-20020912-P00008.png) * | 1964-03-21 | 1965-07-13 | ||
| JPS5548090A (en) * | 1978-09-30 | 1980-04-05 | Shin Meiwa Ind Co Ltd | Manhole cover switchgear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4970427U (US20020128544A1-20020912-P00008.png) * | 1972-10-02 | 1974-06-19 |
-
1980
- 1980-04-14 JP JP1980050401U patent/JPS6126229Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4020099Y1 (US20020128544A1-20020912-P00008.png) * | 1964-03-21 | 1965-07-13 | ||
| JPS5548090A (en) * | 1978-09-30 | 1980-04-05 | Shin Meiwa Ind Co Ltd | Manhole cover switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56153488U (US20020128544A1-20020912-P00008.png) | 1981-11-17 |
