JPH0330472Y2 - - Google Patents
Info
- Publication number
- JPH0330472Y2 JPH0330472Y2 JP6426986U JP6426986U JPH0330472Y2 JP H0330472 Y2 JPH0330472 Y2 JP H0330472Y2 JP 6426986 U JP6426986 U JP 6426986U JP 6426986 U JP6426986 U JP 6426986U JP H0330472 Y2 JPH0330472 Y2 JP H0330472Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- opening
- gate plate
- closing
- cutter
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6426986U JPH0330472Y2 (cs) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6426986U JPH0330472Y2 (cs) | 1986-04-30 | 1986-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6226494U JPS6226494U (cs) | 1987-02-18 |
| JPH0330472Y2 true JPH0330472Y2 (cs) | 1991-06-27 |
Family
ID=30900274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6426986U Expired JPH0330472Y2 (cs) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330472Y2 (cs) |
-
1986
- 1986-04-30 JP JP6426986U patent/JPH0330472Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6226494U (cs) | 1987-02-18 |
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