JPH0321464U - - Google Patents
Info
- Publication number
- JPH0321464U JPH0321464U JP8251489U JP8251489U JPH0321464U JP H0321464 U JPH0321464 U JP H0321464U JP 8251489 U JP8251489 U JP 8251489U JP 8251489 U JP8251489 U JP 8251489U JP H0321464 U JPH0321464 U JP H0321464U
- Authority
- JP
- Japan
- Prior art keywords
- keyhole
- bolt
- manhole cover
- embolization
- hole
- 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
- 230000010102 embolization Effects 0.000 claims description 8
- 208000005189 Embolism Diseases 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8251489U JPH0321464U (en]) | 1989-07-13 | 1989-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8251489U JPH0321464U (en]) | 1989-07-13 | 1989-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321464U true JPH0321464U (en]) | 1991-03-04 |
Family
ID=31629398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8251489U Pending JPH0321464U (en]) | 1989-07-13 | 1989-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321464U (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013177791A (ja) * | 2012-02-29 | 2013-09-09 | Nippon Chutetsukan Kk | 地下構造物用蓋構造 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4525952Y1 (en]) * | 1967-08-28 | 1970-10-09 |
-
1989
- 1989-07-13 JP JP8251489U patent/JPH0321464U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4525952Y1 (en]) * | 1967-08-28 | 1970-10-09 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013177791A (ja) * | 2012-02-29 | 2013-09-09 | Nippon Chutetsukan Kk | 地下構造物用蓋構造 |