JPH0315680Y2 - - Google Patents
Info
- Publication number
- JPH0315680Y2 JPH0315680Y2 JP1982125600U JP12560082U JPH0315680Y2 JP H0315680 Y2 JPH0315680 Y2 JP H0315680Y2 JP 1982125600 U JP1982125600 U JP 1982125600U JP 12560082 U JP12560082 U JP 12560082U JP H0315680 Y2 JPH0315680 Y2 JP H0315680Y2
- Authority
- JP
- Japan
- Prior art keywords
- protective cover
- excavation
- bit
- material cutting
- cutter
- 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
Links
- 239000000463 material Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000009412 basement excavation Methods 0.000 claims description 17
- 238000005553 drilling Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005552 hardfacing Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten 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 |
|---|---|---|---|
| JP12560082U JPS5931697U (ja) | 1982-08-19 | 1982-08-19 | シ−ルド掘進機のカツタ− |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12560082U JPS5931697U (ja) | 1982-08-19 | 1982-08-19 | シ−ルド掘進機のカツタ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5931697U JPS5931697U (ja) | 1984-02-27 |
| JPH0315680Y2 true JPH0315680Y2 (US20110009641A1-20110113-C00256.png) | 1991-04-04 |
Family
ID=30285885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12560082U Granted JPS5931697U (ja) | 1982-08-19 | 1982-08-19 | シ−ルド掘進機のカツタ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5931697U (US20110009641A1-20110113-C00256.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07550Y2 (ja) * | 1988-06-29 | 1995-01-11 | 大豊建設株式会社 | 両方向切削ビット |
| JP4635241B2 (ja) * | 2006-06-08 | 2011-02-23 | ジャパントンネルシステムズ株式会社 | 多重ビット |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530012A (en) * | 1978-08-17 | 1980-03-03 | Taiho Kensetsu Kk | Rotary cutter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019199Y2 (ja) * | 1979-11-15 | 1985-06-10 | 石川島播磨重工業株式会社 | シ−ルド掘進機用ビツト |
-
1982
- 1982-08-19 JP JP12560082U patent/JPS5931697U/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530012A (en) * | 1978-08-17 | 1980-03-03 | Taiho Kensetsu Kk | Rotary cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5931697U (ja) | 1984-02-27 |
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