JPH01136593U - - Google Patents
Info
- Publication number
- JPH01136593U JPH01136593U JP2424788U JP2424788U JPH01136593U JP H01136593 U JPH01136593 U JP H01136593U JP 2424788 U JP2424788 U JP 2424788U JP 2424788 U JP2424788 U JP 2424788U JP H01136593 U JPH01136593 U JP H01136593U
- Authority
- JP
- Japan
- Prior art keywords
- piston rod
- guide
- end sensor
- chuck device
- 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.)
- Granted
Links
- 230000008602 contraction Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2424788U JPH0629272Y2 (ja) | 1988-02-25 | 1988-02-25 | 埋設管の自動推進装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2424788U JPH0629272Y2 (ja) | 1988-02-25 | 1988-02-25 | 埋設管の自動推進装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136593U true JPH01136593U (https=) | 1989-09-19 |
| JPH0629272Y2 JPH0629272Y2 (ja) | 1994-08-10 |
Family
ID=31243937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2424788U Expired - Lifetime JPH0629272Y2 (ja) | 1988-02-25 | 1988-02-25 | 埋設管の自動推進装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629272Y2 (https=) |
-
1988
- 1988-02-25 JP JP2424788U patent/JPH0629272Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629272Y2 (ja) | 1994-08-10 |