JPH01105697U - - Google Patents
Info
- Publication number
- JPH01105697U JPH01105697U JP31388U JP31388U JPH01105697U JP H01105697 U JPH01105697 U JP H01105697U JP 31388 U JP31388 U JP 31388U JP 31388 U JP31388 U JP 31388U JP H01105697 U JPH01105697 U JP H01105697U
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- swinging
- pipe
- link
- lead pipe
- 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.)
- Pending
Links
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31388U JPH01105697U (un) | 1988-01-07 | 1988-01-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31388U JPH01105697U (un) | 1988-01-07 | 1988-01-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01105697U true JPH01105697U (un) | 1989-07-17 |
Family
ID=31199227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31388U Pending JPH01105697U (un) | 1988-01-07 | 1988-01-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01105697U (un) |
-
1988
- 1988-01-07 JP JP31388U patent/JPH01105697U/ja active Pending