JPH0649666Y2 - 管推進装置 - Google Patents
管推進装置Info
- Publication number
- JPH0649666Y2 JPH0649666Y2 JP10913388U JP10913388U JPH0649666Y2 JP H0649666 Y2 JPH0649666 Y2 JP H0649666Y2 JP 10913388 U JP10913388 U JP 10913388U JP 10913388 U JP10913388 U JP 10913388U JP H0649666 Y2 JPH0649666 Y2 JP H0649666Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- rod
- pipe
- jack
- moving body
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000011120 plywood Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 12
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913388U JPH0649666Y2 (ja) | 1988-08-22 | 1988-08-22 | 管推進装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913388U JPH0649666Y2 (ja) | 1988-08-22 | 1988-08-22 | 管推進装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0233896U JPH0233896U (en]) | 1990-03-02 |
| JPH0649666Y2 true JPH0649666Y2 (ja) | 1994-12-14 |
Family
ID=31345103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10913388U Expired - Lifetime JPH0649666Y2 (ja) | 1988-08-22 | 1988-08-22 | 管推進装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649666Y2 (en]) |
-
1988
- 1988-08-22 JP JP10913388U patent/JPH0649666Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0233896U (en]) | 1990-03-02 |
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