JPH0193282U - - Google Patents
Info
- Publication number
- JPH0193282U JPH0193282U JP18675787U JP18675787U JPH0193282U JP H0193282 U JPH0193282 U JP H0193282U JP 18675787 U JP18675787 U JP 18675787U JP 18675787 U JP18675787 U JP 18675787U JP H0193282 U JPH0193282 U JP H0193282U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- discharge pipe
- pipe
- air
- open
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18675787U JPH0193282U (enExample) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18675787U JPH0193282U (enExample) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193282U true JPH0193282U (enExample) | 1989-06-19 |
Family
ID=31477967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18675787U Pending JPH0193282U (enExample) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193282U (enExample) |
-
1987
- 1987-12-08 JP JP18675787U patent/JPH0193282U/ja active Pending