JPS6117105Y2 - - Google Patents
Info
- Publication number
- JPS6117105Y2 JPS6117105Y2 JP4475281U JP4475281U JPS6117105Y2 JP S6117105 Y2 JPS6117105 Y2 JP S6117105Y2 JP 4475281 U JP4475281 U JP 4475281U JP 4475281 U JP4475281 U JP 4475281U JP S6117105 Y2 JPS6117105 Y2 JP S6117105Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- lubricant
- tube
- inner pipe
- fixed
- 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.)
- Expired
Links
- 239000000314 lubricant Substances 0.000 claims description 43
- 239000004576 sand Substances 0.000 claims description 13
- 238000009412 basement excavation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475281U JPS6117105Y2 (enrdf_load_stackoverflow) | 1981-03-30 | 1981-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475281U JPS6117105Y2 (enrdf_load_stackoverflow) | 1981-03-30 | 1981-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57156594U JPS57156594U (enrdf_load_stackoverflow) | 1982-10-01 |
| JPS6117105Y2 true JPS6117105Y2 (enrdf_load_stackoverflow) | 1986-05-26 |
Family
ID=29841673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4475281U Expired JPS6117105Y2 (enrdf_load_stackoverflow) | 1981-03-30 | 1981-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117105Y2 (enrdf_load_stackoverflow) |
-
1981
- 1981-03-30 JP JP4475281U patent/JPS6117105Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57156594U (enrdf_load_stackoverflow) | 1982-10-01 |
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