JPH0412592U - - Google Patents
Info
- Publication number
- JPH0412592U JPH0412592U JP5102390U JP5102390U JPH0412592U JP H0412592 U JPH0412592 U JP H0412592U JP 5102390 U JP5102390 U JP 5102390U JP 5102390 U JP5102390 U JP 5102390U JP H0412592 U JPH0412592 U JP H0412592U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- ring
- shield
- shaped protrusion
- seal portion
- 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.)
- Granted
Links
- 239000003566 sealing material Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5102390U JPH0747494Y2 (ja) | 1990-05-16 | 1990-05-16 | 保護筒を有したシールド掘進機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5102390U JPH0747494Y2 (ja) | 1990-05-16 | 1990-05-16 | 保護筒を有したシールド掘進機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0412592U true JPH0412592U (en]) | 1992-01-31 |
| JPH0747494Y2 JPH0747494Y2 (ja) | 1995-11-01 |
Family
ID=31570087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5102390U Expired - Lifetime JPH0747494Y2 (ja) | 1990-05-16 | 1990-05-16 | 保護筒を有したシールド掘進機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747494Y2 (en]) |
-
1990
- 1990-05-16 JP JP5102390U patent/JPH0747494Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747494Y2 (ja) | 1995-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |