JPS6238999U - - Google Patents
Info
- Publication number
- JPS6238999U JPS6238999U JP12945085U JP12945085U JPS6238999U JP S6238999 U JPS6238999 U JP S6238999U JP 12945085 U JP12945085 U JP 12945085U JP 12945085 U JP12945085 U JP 12945085U JP S6238999 U JPS6238999 U JP S6238999U
- Authority
- JP
- Japan
- Prior art keywords
- pressure chamber
- cylindrical casing
- spherical
- partition wall
- center point
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Screw Conveyors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12945085U JPH0333835Y2 (en]) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12945085U JPH0333835Y2 (en]) | 1985-08-23 | 1985-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6238999U true JPS6238999U (en]) | 1987-03-07 |
| JPH0333835Y2 JPH0333835Y2 (en]) | 1991-07-17 |
Family
ID=31026029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12945085U Expired JPH0333835Y2 (en]) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333835Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008038460A (ja) * | 2006-08-07 | 2008-02-21 | Nagano Yuki Kk | 小口径トンネル形成用掘削装置 |
-
1985
- 1985-08-23 JP JP12945085U patent/JPH0333835Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008038460A (ja) * | 2006-08-07 | 2008-02-21 | Nagano Yuki Kk | 小口径トンネル形成用掘削装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333835Y2 (en]) | 1991-07-17 |