JPS6324477U - - Google Patents
Info
- Publication number
- JPS6324477U JPS6324477U JP11750086U JP11750086U JPS6324477U JP S6324477 U JPS6324477 U JP S6324477U JP 11750086 U JP11750086 U JP 11750086U JP 11750086 U JP11750086 U JP 11750086U JP S6324477 U JPS6324477 U JP S6324477U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- propulsion
- steel collar
- joint
- propelled
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Joints With Sleeves (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11750086U JPS6324477U (enExample) | 1986-08-01 | 1986-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11750086U JPS6324477U (enExample) | 1986-08-01 | 1986-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324477U true JPS6324477U (enExample) | 1988-02-18 |
Family
ID=31003075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11750086U Pending JPS6324477U (enExample) | 1986-08-01 | 1986-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324477U (enExample) |
-
1986
- 1986-08-01 JP JP11750086U patent/JPS6324477U/ja active Pending