JPH053593Y2 - - Google Patents
Info
- Publication number
- JPH053593Y2 JPH053593Y2 JP1987091175U JP9117587U JPH053593Y2 JP H053593 Y2 JPH053593 Y2 JP H053593Y2 JP 1987091175 U JP1987091175 U JP 1987091175U JP 9117587 U JP9117587 U JP 9117587U JP H053593 Y2 JPH053593 Y2 JP H053593Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- chamber
- spoke
- bit
- roller bit
- 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
- 239000004576 sand Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009412 basement excavation Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 description 8
- 238000005243 fluidization Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091175U JPH053593Y2 (sv) | 1987-06-13 | 1987-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091175U JPH053593Y2 (sv) | 1987-06-13 | 1987-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63198698U JPS63198698U (sv) | 1988-12-21 |
| JPH053593Y2 true JPH053593Y2 (sv) | 1993-01-28 |
Family
ID=30951712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987091175U Expired - Lifetime JPH053593Y2 (sv) | 1987-06-13 | 1987-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053593Y2 (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6124283B2 (ja) * | 2012-12-28 | 2017-05-10 | 株式会社奥村組 | トンネル掘削機 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62143798U (sv) * | 1986-03-07 | 1987-09-10 |
-
1987
- 1987-06-13 JP JP1987091175U patent/JPH053593Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63198698U (sv) | 1988-12-21 |
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