JPH0442400Y2 - - Google Patents
Info
- Publication number
- JPH0442400Y2 JPH0442400Y2 JP16203486U JP16203486U JPH0442400Y2 JP H0442400 Y2 JPH0442400 Y2 JP H0442400Y2 JP 16203486 U JP16203486 U JP 16203486U JP 16203486 U JP16203486 U JP 16203486U JP H0442400 Y2 JPH0442400 Y2 JP H0442400Y2
- Authority
- JP
- Japan
- Prior art keywords
- segment
- erector device
- circular
- guide ring
- main body
- 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
- 230000005641 tunneling Effects 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16203486U JPH0442400Y2 (US20030220297A1-20031127-C00033.png) | 1986-10-21 | 1986-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16203486U JPH0442400Y2 (US20030220297A1-20031127-C00033.png) | 1986-10-21 | 1986-10-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6365800U JPS6365800U (US20030220297A1-20031127-C00033.png) | 1988-04-30 |
| JPH0442400Y2 true JPH0442400Y2 (US20030220297A1-20031127-C00033.png) | 1992-10-06 |
Family
ID=31088909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16203486U Expired JPH0442400Y2 (US20030220297A1-20031127-C00033.png) | 1986-10-21 | 1986-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442400Y2 (US20030220297A1-20031127-C00033.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11076341B2 (en) | 2015-04-30 | 2021-07-27 | Juniper Networks, Inc. | Methods and apparatus relating to the use of real and/or virtual beacons |
-
1986
- 1986-10-21 JP JP16203486U patent/JPH0442400Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11076341B2 (en) | 2015-04-30 | 2021-07-27 | Juniper Networks, Inc. | Methods and apparatus relating to the use of real and/or virtual beacons |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6365800U (US20030220297A1-20031127-C00033.png) | 1988-04-30 |
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