JPH02139998U - - Google Patents
Info
- Publication number
- JPH02139998U JPH02139998U JP4894789U JP4894789U JPH02139998U JP H02139998 U JPH02139998 U JP H02139998U JP 4894789 U JP4894789 U JP 4894789U JP 4894789 U JP4894789 U JP 4894789U JP H02139998 U JPH02139998 U JP H02139998U
- Authority
- JP
- Japan
- Prior art keywords
- bits
- cutter
- earth pressure
- cutter head
- pressure type
- 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
- 238000009412 basement excavation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4894789U JPH02139998U (fr) | 1989-04-26 | 1989-04-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4894789U JPH02139998U (fr) | 1989-04-26 | 1989-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02139998U true JPH02139998U (fr) | 1990-11-22 |
Family
ID=31566211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4894789U Pending JPH02139998U (fr) | 1989-04-26 | 1989-04-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02139998U (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014145177A (ja) * | 2013-01-29 | 2014-08-14 | Mitsubishi Heavy Industries Mechatronics Systems Ltd | トンネル掘削機及び該トンネル掘削機による立坑掘削工法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850297A (ja) * | 1981-09-22 | 1983-03-24 | 日立建機株式会社 | シ−ルド掘進機 |
-
1989
- 1989-04-26 JP JP4894789U patent/JPH02139998U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850297A (ja) * | 1981-09-22 | 1983-03-24 | 日立建機株式会社 | シ−ルド掘進機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014145177A (ja) * | 2013-01-29 | 2014-08-14 | Mitsubishi Heavy Industries Mechatronics Systems Ltd | トンネル掘削機及び該トンネル掘削機による立坑掘削工法 |
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