JPS6133107Y2 - - Google Patents
Info
- Publication number
- JPS6133107Y2 JPS6133107Y2 JP14063580U JP14063580U JPS6133107Y2 JP S6133107 Y2 JPS6133107 Y2 JP S6133107Y2 JP 14063580 U JP14063580 U JP 14063580U JP 14063580 U JP14063580 U JP 14063580U JP S6133107 Y2 JPS6133107 Y2 JP S6133107Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pit
- outer tube
- fixed
- tip
- 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
- 241000269793 Cryothenia peninsulae Species 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14063580U JPS6133107Y2 (enrdf_load_stackoverflow) | 1980-10-01 | 1980-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14063580U JPS6133107Y2 (enrdf_load_stackoverflow) | 1980-10-01 | 1980-10-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5659281U JPS5659281U (enrdf_load_stackoverflow) | 1981-05-21 |
| JPS6133107Y2 true JPS6133107Y2 (enrdf_load_stackoverflow) | 1986-09-26 |
Family
ID=29371969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14063580U Expired JPS6133107Y2 (enrdf_load_stackoverflow) | 1980-10-01 | 1980-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133107Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-10-01 JP JP14063580U patent/JPS6133107Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5659281U (enrdf_load_stackoverflow) | 1981-05-21 |
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