JPS61141400U - - Google Patents
Info
- Publication number
- JPS61141400U JPS61141400U JP2373085U JP2373085U JPS61141400U JP S61141400 U JPS61141400 U JP S61141400U JP 2373085 U JP2373085 U JP 2373085U JP 2373085 U JP2373085 U JP 2373085U JP S61141400 U JPS61141400 U JP S61141400U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- bulkhead
- trough
- earth
- screw
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Screw Conveyors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985023730U JPH0333834Y2 (enExample) | 1985-02-21 | 1985-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985023730U JPH0333834Y2 (enExample) | 1985-02-21 | 1985-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61141400U true JPS61141400U (enExample) | 1986-09-01 |
| JPH0333834Y2 JPH0333834Y2 (enExample) | 1991-07-17 |
Family
ID=30517227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985023730U Expired JPH0333834Y2 (enExample) | 1985-02-21 | 1985-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333834Y2 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131443U (enExample) * | 1974-08-30 | 1976-03-08 | ||
| JPS5187926U (enExample) * | 1975-01-07 | 1976-07-14 |
-
1985
- 1985-02-21 JP JP1985023730U patent/JPH0333834Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5131443U (enExample) * | 1974-08-30 | 1976-03-08 | ||
| JPS5187926U (enExample) * | 1975-01-07 | 1976-07-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333834Y2 (enExample) | 1991-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |