JPS61159497U - - Google Patents
Info
- Publication number
- JPS61159497U JPS61159497U JP4460685U JP4460685U JPS61159497U JP S61159497 U JPS61159497 U JP S61159497U JP 4460685 U JP4460685 U JP 4460685U JP 4460685 U JP4460685 U JP 4460685U JP S61159497 U JPS61159497 U JP S61159497U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- bit
- tapered surface
- screw auger
- casing pipe
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985044606U JPH0338315Y2 (en]) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985044606U JPH0338315Y2 (en]) | 1985-03-27 | 1985-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61159497U true JPS61159497U (en]) | 1986-10-02 |
| JPH0338315Y2 JPH0338315Y2 (en]) | 1991-08-13 |
Family
ID=30557333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985044606U Expired JPH0338315Y2 (en]) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338315Y2 (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924492U (ja) * | 1982-08-04 | 1984-02-15 | 三和機材株式会社 | 管推進埋設装置 |
-
1985
- 1985-03-27 JP JP1985044606U patent/JPH0338315Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5924492U (ja) * | 1982-08-04 | 1984-02-15 | 三和機材株式会社 | 管推進埋設装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0338315Y2 (en]) | 1991-08-13 |