JPH01124899U - - Google Patents
Info
- Publication number
- JPH01124899U JPH01124899U JP1756288U JP1756288U JPH01124899U JP H01124899 U JPH01124899 U JP H01124899U JP 1756288 U JP1756288 U JP 1756288U JP 1756288 U JP1756288 U JP 1756288U JP H01124899 U JPH01124899 U JP H01124899U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- outer shell
- shell member
- cut
- cutter head
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- -1 electricity Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1756288U JPH01124899U (2) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1756288U JPH01124899U (2) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124899U true JPH01124899U (2) | 1989-08-25 |
Family
ID=31231455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1756288U Pending JPH01124899U (2) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124899U (2) |
-
1988
- 1988-02-15 JP JP1756288U patent/JPH01124899U/ja active Pending
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