JPS63190220U - - Google Patents
Info
- Publication number
- JPS63190220U JPS63190220U JP8041787U JP8041787U JPS63190220U JP S63190220 U JPS63190220 U JP S63190220U JP 8041787 U JP8041787 U JP 8041787U JP 8041787 U JP8041787 U JP 8041787U JP S63190220 U JPS63190220 U JP S63190220U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- passage
- port
- material passage
- slipping
- 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
- 239000000463 material Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Nozzles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8041787U JPS63190220U (it) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8041787U JPS63190220U (it) | 1987-05-27 | 1987-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190220U true JPS63190220U (it) | 1988-12-07 |
Family
ID=30931204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8041787U Pending JPS63190220U (it) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190220U (it) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50117183A (it) * | 1974-01-29 | 1975-09-12 |
-
1987
- 1987-05-27 JP JP8041787U patent/JPS63190220U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50117183A (it) * | 1974-01-29 | 1975-09-12 |
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