JPH0545671Y2 - - Google Patents
Info
- Publication number
- JPH0545671Y2 JPH0545671Y2 JP9937287U JP9937287U JPH0545671Y2 JP H0545671 Y2 JPH0545671 Y2 JP H0545671Y2 JP 9937287 U JP9937287 U JP 9937287U JP 9937287 U JP9937287 U JP 9937287U JP H0545671 Y2 JPH0545671 Y2 JP H0545671Y2
- Authority
- JP
- Japan
- Prior art keywords
- main
- push
- cylinder
- hydraulic pressure
- hydraulic
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9937287U JPH0545671Y2 (enrdf_load_stackoverflow) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9937287U JPH0545671Y2 (enrdf_load_stackoverflow) | 1987-06-30 | 1987-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS645999U JPS645999U (enrdf_load_stackoverflow) | 1989-01-13 |
| JPH0545671Y2 true JPH0545671Y2 (enrdf_load_stackoverflow) | 1993-11-24 |
Family
ID=31326470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9937287U Expired - Lifetime JPH0545671Y2 (enrdf_load_stackoverflow) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545671Y2 (enrdf_load_stackoverflow) |
-
1987
- 1987-06-30 JP JP9937287U patent/JPH0545671Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS645999U (enrdf_load_stackoverflow) | 1989-01-13 |
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