JPH02132024U - - Google Patents
Info
- Publication number
- JPH02132024U JPH02132024U JP3980289U JP3980289U JPH02132024U JP H02132024 U JPH02132024 U JP H02132024U JP 3980289 U JP3980289 U JP 3980289U JP 3980289 U JP3980289 U JP 3980289U JP H02132024 U JPH02132024 U JP H02132024U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- sealing plate
- rotation
- slope
- closing
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3980289U JPH02132024U (it) | 1989-04-04 | 1989-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3980289U JPH02132024U (it) | 1989-04-04 | 1989-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132024U true JPH02132024U (it) | 1990-11-02 |
Family
ID=31549029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3980289U Pending JPH02132024U (it) | 1989-04-04 | 1989-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132024U (it) |
-
1989
- 1989-04-04 JP JP3980289U patent/JPH02132024U/ja active Pending