JPS6180831U - - Google Patents
Info
- Publication number
- JPS6180831U JPS6180831U JP16455084U JP16455084U JPS6180831U JP S6180831 U JPS6180831 U JP S6180831U JP 16455084 U JP16455084 U JP 16455084U JP 16455084 U JP16455084 U JP 16455084U JP S6180831 U JPS6180831 U JP S6180831U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- fall prevention
- present
- prevention frame
- manhole
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16455084U JPS6180831U (enExample) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16455084U JPS6180831U (enExample) | 1984-10-30 | 1984-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6180831U true JPS6180831U (enExample) | 1986-05-29 |
Family
ID=30722410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16455084U Pending JPS6180831U (enExample) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6180831U (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63121614U (enExample) * | 1987-01-27 | 1988-08-08 | ||
| JPH01180520U (enExample) * | 1988-06-08 | 1989-12-26 | ||
| JP2010265658A (ja) * | 2009-05-14 | 2010-11-25 | Seibu Giken Kogyo Kk | マンホール用補助梯子 |
| JP2011026818A (ja) * | 2009-07-24 | 2011-02-10 | Tokyo Metropolitan Sewerage Service Corp | 人孔用安全作業柵体及びそれを使用する人孔工事の施工方法 |
-
1984
- 1984-10-30 JP JP16455084U patent/JPS6180831U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63121614U (enExample) * | 1987-01-27 | 1988-08-08 | ||
| JPH01180520U (enExample) * | 1988-06-08 | 1989-12-26 | ||
| JP2010265658A (ja) * | 2009-05-14 | 2010-11-25 | Seibu Giken Kogyo Kk | マンホール用補助梯子 |
| JP2011026818A (ja) * | 2009-07-24 | 2011-02-10 | Tokyo Metropolitan Sewerage Service Corp | 人孔用安全作業柵体及びそれを使用する人孔工事の施工方法 |
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