JPS627758Y2 - - Google Patents
Info
- Publication number
- JPS627758Y2 JPS627758Y2 JP4130981U JP4130981U JPS627758Y2 JP S627758 Y2 JPS627758 Y2 JP S627758Y2 JP 4130981 U JP4130981 U JP 4130981U JP 4130981 U JP4130981 U JP 4130981U JP S627758 Y2 JPS627758 Y2 JP S627758Y2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- excavation
- rotary body
- drive device
- screw conveyor
- 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
- 238000009412 basement excavation Methods 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011798 excavation material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4130981U JPS627758Y2 (fr) | 1981-03-20 | 1981-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4130981U JPS627758Y2 (fr) | 1981-03-20 | 1981-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57156595U JPS57156595U (fr) | 1982-10-01 |
| JPS627758Y2 true JPS627758Y2 (fr) | 1987-02-23 |
Family
ID=29838384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4130981U Expired JPS627758Y2 (fr) | 1981-03-20 | 1981-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627758Y2 (fr) |
-
1981
- 1981-03-20 JP JP4130981U patent/JPS627758Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57156595U (fr) | 1982-10-01 |
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