JPH0242744Y2 - - Google Patents
Info
- Publication number
- JPH0242744Y2 JPH0242744Y2 JP9200184U JP9200184U JPH0242744Y2 JP H0242744 Y2 JPH0242744 Y2 JP H0242744Y2 JP 9200184 U JP9200184 U JP 9200184U JP 9200184 U JP9200184 U JP 9200184U JP H0242744 Y2 JPH0242744 Y2 JP H0242744Y2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- manhole
- fixed
- protective fence
- fence
- 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
- 239000002184 metal Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Fencing (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200184U JPS6110341U (ja) | 1984-06-20 | 1984-06-20 | マンホ−ル防護柵 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200184U JPS6110341U (ja) | 1984-06-20 | 1984-06-20 | マンホ−ル防護柵 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110341U JPS6110341U (ja) | 1986-01-22 |
| JPH0242744Y2 true JPH0242744Y2 (fr) | 1990-11-14 |
Family
ID=30648398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9200184U Granted JPS6110341U (ja) | 1984-06-20 | 1984-06-20 | マンホ−ル防護柵 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110341U (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645481Y2 (ja) * | 1987-01-27 | 1994-11-24 | 株式会社協和エクシオ | マンホールの開口用防護柵 |
| JP5067820B1 (ja) * | 2012-03-30 | 2012-11-07 | 株式会社オージーエイ | マンホール工事安全補助システム |
-
1984
- 1984-06-20 JP JP9200184U patent/JPS6110341U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6110341U (ja) | 1986-01-22 |
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