JPH0545676Y2 - - Google Patents
Info
- Publication number
- JPH0545676Y2 JPH0545676Y2 JP6511888U JP6511888U JPH0545676Y2 JP H0545676 Y2 JPH0545676 Y2 JP H0545676Y2 JP 6511888 U JP6511888 U JP 6511888U JP 6511888 U JP6511888 U JP 6511888U JP H0545676 Y2 JPH0545676 Y2 JP H0545676Y2
- Authority
- JP
- Japan
- Prior art keywords
- shield frame
- shield
- circumferential wall
- regulating body
- segment
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 238000005096 rolling process Methods 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511888U JPH0545676Y2 (enExample) | 1988-05-19 | 1988-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511888U JPH0545676Y2 (enExample) | 1988-05-19 | 1988-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01174493U JPH01174493U (enExample) | 1989-12-12 |
| JPH0545676Y2 true JPH0545676Y2 (enExample) | 1993-11-24 |
Family
ID=31290563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6511888U Expired - Lifetime JPH0545676Y2 (enExample) | 1988-05-19 | 1988-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545676Y2 (enExample) |
-
1988
- 1988-05-19 JP JP6511888U patent/JPH0545676Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01174493U (enExample) | 1989-12-12 |
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