JP4103044B2 - マンホール開口養生バリケード - Google Patents
マンホール開口養生バリケード Download PDFInfo
- Publication number
- JP4103044B2 JP4103044B2 JP2003287601A JP2003287601A JP4103044B2 JP 4103044 B2 JP4103044 B2 JP 4103044B2 JP 2003287601 A JP2003287601 A JP 2003287601A JP 2003287601 A JP2003287601 A JP 2003287601A JP 4103044 B2 JP4103044 B2 JP 4103044B2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- barricade
- main body
- bar
- curing
- 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
- 239000000463 material Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
小径を450mmよりも小さくし、最大径を450mmよりも大きく、600mmよりも小さくする。これにより、口径600mmのマンホールに使用する場合には、支持部20の全体がマンホール内に挿入され、口径450mmのマンホールに使用する場合には、支持部20の途中までがマンホール内に挿入された状態となる。したがって、2種類の規格寸法のマンホール2に適用させることができる。
2 マンホール
3 標識
4 緩衝部材
5 送風ダクト
10 主体部
11 支柱部材
12 上側桟
13 下側桟
14 補強桟
14a ゲート桟
20 支持部
21 枠部
22 連結部
22a 起立部
22b 張出部
22c 支持柱部
Claims (2)
- マンホール開口の周囲に設置させる主体部と、該主体部の下部に連続させて設け、マンホールに挿入される支持部とからなり、
前記主体部と支持部とを連結部によって連結し、
前記主体部と支持部、連結部とを棒材により形成し、
前記支持部がマンホール内側面に沿った形状に形成され、
前記主体部の高さ方向の中間部であって、該主体部の隣接する側辺を構成する棒材に桟を掛け渡し、該桟の一つを該側辺の棒材に案内されて移動可能としたゲート桟としたことを特徴とするマンホール開口養生バリケード。 - 前記主体部は、その外形が上方に向かって徐々に拡開する角錐台形の各辺に沿って前記棒材を配した構造であることを特徴とする請求項1に記載のマンホール開口養生バリケード。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003287601A JP4103044B2 (ja) | 2003-08-06 | 2003-08-06 | マンホール開口養生バリケード |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003287601A JP4103044B2 (ja) | 2003-08-06 | 2003-08-06 | マンホール開口養生バリケード |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005054489A JP2005054489A (ja) | 2005-03-03 |
JP4103044B2 true JP4103044B2 (ja) | 2008-06-18 |
Family
ID=34366538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003287601A Expired - Lifetime JP4103044B2 (ja) | 2003-08-06 | 2003-08-06 | マンホール開口養生バリケード |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4103044B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6309671B1 (ja) * | 2017-05-23 | 2018-04-11 | 株式会社アイビルド | マンホール防護柵 |
KR102621406B1 (ko) * | 2020-09-23 | 2024-01-08 | 한국전력공사 | 맨홀용 안전 장치 |
-
2003
- 2003-08-06 JP JP2003287601A patent/JP4103044B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005054489A (ja) | 2005-03-03 |
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