JPH0449257Y2 - - Google Patents
Info
- Publication number
- JPH0449257Y2 JPH0449257Y2 JP11338886U JP11338886U JPH0449257Y2 JP H0449257 Y2 JPH0449257 Y2 JP H0449257Y2 JP 11338886 U JP11338886 U JP 11338886U JP 11338886 U JP11338886 U JP 11338886U JP H0449257 Y2 JPH0449257 Y2 JP H0449257Y2
- Authority
- JP
- Japan
- Prior art keywords
- grating
- opening
- sides
- pipe material
- inner edge
- 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
- 239000000463 material Substances 0.000 claims description 27
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11338886U JPH0449257Y2 (enrdf_load_html_response) | 1986-07-25 | 1986-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11338886U JPH0449257Y2 (enrdf_load_html_response) | 1986-07-25 | 1986-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6323348U JPS6323348U (enrdf_load_html_response) | 1988-02-16 |
| JPH0449257Y2 true JPH0449257Y2 (enrdf_load_html_response) | 1992-11-19 |
Family
ID=30995144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11338886U Expired JPH0449257Y2 (enrdf_load_html_response) | 1986-07-25 | 1986-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449257Y2 (enrdf_load_html_response) |
-
1986
- 1986-07-25 JP JP11338886U patent/JPH0449257Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323348U (enrdf_load_html_response) | 1988-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6138975A (en) | Anchored tie-down ring | |
| US6047999A (en) | Mausoleum crypt lock | |
| JPH0449257Y2 (enrdf_load_html_response) | ||
| JPH0312834Y2 (enrdf_load_html_response) | ||
| JP7223202B1 (ja) | 盗難防止用アンカー | |
| US3788109A (en) | Vehicle securing device | |
| JP3078460U (ja) | マンホール用転落防止具 | |
| JP2001049730A (ja) | グレーチング | |
| JPS642031Y2 (enrdf_load_html_response) | ||
| KR200256664Y1 (ko) | 맨홀뚜껑의 시건 및 개방장치 | |
| AU2006101102A4 (en) | A Lock for Securing Through-Pins | |
| JPS6011178Y2 (ja) | マンホ−ル鉄蓋のロツク脱着器 | |
| JPH035625Y2 (enrdf_load_html_response) | ||
| JPH0131627Y2 (enrdf_load_html_response) | ||
| JPH07238572A (ja) | 建設機械の非常時脱出構造 | |
| JPH0355663Y2 (enrdf_load_html_response) | ||
| JP3045769U (ja) | マンホール内の踊り場用手摺り | |
| KR100557279B1 (ko) | 맨홀뚜껑 | |
| JP2000291035A (ja) | 地下構造物用蓋の転落防止中蓋および転落防止中蓋を備えた受枠 | |
| JP3809530B2 (ja) | 外構構造体の支柱改装方法 | |
| JPH07116848B2 (ja) | スラブ開口部用手摺付き養生蓋装置 | |
| JPS6040680Y2 (ja) | マンホ−ルなどの蓋の施錠装置 | |
| JPH0230530Y2 (enrdf_load_html_response) | ||
| JPS5920435Y2 (ja) | マンホ−ル蓋の施錠装置 | |
| JP3030809U (ja) | 溝蓋の開閉機構 |