JPH0362187U - - Google Patents
Info
- Publication number
- JPH0362187U JPH0362187U JP12113089U JP12113089U JPH0362187U JP H0362187 U JPH0362187 U JP H0362187U JP 12113089 U JP12113089 U JP 12113089U JP 12113089 U JP12113089 U JP 12113089U JP H0362187 U JPH0362187 U JP H0362187U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- head
- tip
- propelling blade
- notch
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12113089U JPH072784Y2 (ja) | 1989-10-17 | 1989-10-17 | リード管の方向修正用ヘッド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12113089U JPH072784Y2 (ja) | 1989-10-17 | 1989-10-17 | リード管の方向修正用ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0362187U true JPH0362187U (enExample) | 1991-06-18 |
| JPH072784Y2 JPH072784Y2 (ja) | 1995-01-25 |
Family
ID=31669170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12113089U Expired - Lifetime JPH072784Y2 (ja) | 1989-10-17 | 1989-10-17 | リード管の方向修正用ヘッド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072784Y2 (enExample) |
-
1989
- 1989-10-17 JP JP12113089U patent/JPH072784Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH072784Y2 (ja) | 1995-01-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |