JPH0340959Y2 - - Google Patents
Info
- Publication number
- JPH0340959Y2 JPH0340959Y2 JP3682587U JP3682587U JPH0340959Y2 JP H0340959 Y2 JPH0340959 Y2 JP H0340959Y2 JP 3682587 U JP3682587 U JP 3682587U JP 3682587 U JP3682587 U JP 3682587U JP H0340959 Y2 JPH0340959 Y2 JP H0340959Y2
- Authority
- JP
- Japan
- Prior art keywords
- auger
- core wire
- steady rest
- steel wire
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000004576 sand Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3682587U JPH0340959Y2 (en, 2012) | 1987-03-13 | 1987-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3682587U JPH0340959Y2 (en, 2012) | 1987-03-13 | 1987-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63145994U JPS63145994U (en, 2012) | 1988-09-27 |
| JPH0340959Y2 true JPH0340959Y2 (en, 2012) | 1991-08-28 |
Family
ID=30847592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3682587U Expired JPH0340959Y2 (en, 2012) | 1987-03-13 | 1987-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340959Y2 (en, 2012) |
-
1987
- 1987-03-13 JP JP3682587U patent/JPH0340959Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63145994U (en, 2012) | 1988-09-27 |
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