JPH0442396Y2 - - Google Patents
Info
- Publication number
- JPH0442396Y2 JPH0442396Y2 JP6461586U JP6461586U JPH0442396Y2 JP H0442396 Y2 JPH0442396 Y2 JP H0442396Y2 JP 6461586 U JP6461586 U JP 6461586U JP 6461586 U JP6461586 U JP 6461586U JP H0442396 Y2 JPH0442396 Y2 JP H0442396Y2
- Authority
- JP
- Japan
- Prior art keywords
- perfect circle
- circle holding
- holding mechanism
- pedestal
- pair
- 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
- 230000007246 mechanism Effects 0.000 claims description 26
- 238000009412 basement excavation Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 16
- 230000005641 tunneling Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6461586U JPH0442396Y2 (US20030220297A1-20031127-C00033.png) | 1986-04-28 | 1986-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6461586U JPH0442396Y2 (US20030220297A1-20031127-C00033.png) | 1986-04-28 | 1986-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62176299U JPS62176299U (US20030220297A1-20031127-C00033.png) | 1987-11-09 |
| JPH0442396Y2 true JPH0442396Y2 (US20030220297A1-20031127-C00033.png) | 1992-10-06 |
Family
ID=30900928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6461586U Expired JPH0442396Y2 (US20030220297A1-20031127-C00033.png) | 1986-04-28 | 1986-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442396Y2 (US20030220297A1-20031127-C00033.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6241924B2 (ja) * | 2013-10-29 | 2017-12-06 | 株式会社奥村組 | シールド掘進機およびその掘進方法 |
-
1986
- 1986-04-28 JP JP6461586U patent/JPH0442396Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62176299U (US20030220297A1-20031127-C00033.png) | 1987-11-09 |
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