JPH0412155Y2 - - Google Patents
Info
- Publication number
- JPH0412155Y2 JPH0412155Y2 JP17440087U JP17440087U JPH0412155Y2 JP H0412155 Y2 JPH0412155 Y2 JP H0412155Y2 JP 17440087 U JP17440087 U JP 17440087U JP 17440087 U JP17440087 U JP 17440087U JP H0412155 Y2 JPH0412155 Y2 JP H0412155Y2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- casing
- vibration absorber
- seals
- side wall
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000008602 contraction Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims 1
- 230000005641 tunneling Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 description 9
- 239000004519 grease Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440087U JPH0412155Y2 (en, 2012) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440087U JPH0412155Y2 (en, 2012) | 1987-11-17 | 1987-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0179698U JPH0179698U (en, 2012) | 1989-05-29 |
| JPH0412155Y2 true JPH0412155Y2 (en, 2012) | 1992-03-25 |
Family
ID=31466256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17440087U Expired JPH0412155Y2 (en, 2012) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412155Y2 (en, 2012) |
-
1987
- 1987-11-17 JP JP17440087U patent/JPH0412155Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0179698U (en, 2012) | 1989-05-29 |
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