JPS6221136U - - Google Patents
Info
- Publication number
- JPS6221136U JPS6221136U JP11104285U JP11104285U JPS6221136U JP S6221136 U JPS6221136 U JP S6221136U JP 11104285 U JP11104285 U JP 11104285U JP 11104285 U JP11104285 U JP 11104285U JP S6221136 U JPS6221136 U JP S6221136U
- Authority
- JP
- Japan
- Prior art keywords
- protrusions
- pipe
- friction force
- negative friction
- circumferential direction
- 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 2
- 239000010959 steel Substances 0.000 claims description 2
Landscapes
- Piles And Underground Anchors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11104285U JPS6221136U (enExample) | 1985-07-22 | 1985-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11104285U JPS6221136U (enExample) | 1985-07-22 | 1985-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6221136U true JPS6221136U (enExample) | 1987-02-07 |
Family
ID=30990599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11104285U Pending JPS6221136U (enExample) | 1985-07-22 | 1985-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6221136U (enExample) |
-
1985
- 1985-07-22 JP JP11104285U patent/JPS6221136U/ja active Pending