JPH044997U - - Google Patents
Info
- Publication number
- JPH044997U JPH044997U JP4556890U JP4556890U JPH044997U JP H044997 U JPH044997 U JP H044997U JP 4556890 U JP4556890 U JP 4556890U JP 4556890 U JP4556890 U JP 4556890U JP H044997 U JPH044997 U JP H044997U
- Authority
- JP
- Japan
- Prior art keywords
- tail plate
- press ring
- ring
- contracted
- jack
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556890U JP2522249Y2 (ja) | 1990-04-27 | 1990-04-27 | シールドマシンのプレスリングのシール構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556890U JP2522249Y2 (ja) | 1990-04-27 | 1990-04-27 | シールドマシンのプレスリングのシール構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH044997U true JPH044997U (lm) | 1992-01-17 |
| JP2522249Y2 JP2522249Y2 (ja) | 1997-01-08 |
Family
ID=31559866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4556890U Expired - Lifetime JP2522249Y2 (ja) | 1990-04-27 | 1990-04-27 | シールドマシンのプレスリングのシール構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522249Y2 (lm) |
-
1990
- 1990-04-27 JP JP4556890U patent/JP2522249Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522249Y2 (ja) | 1997-01-08 |