JPS62172797U - - Google Patents
Info
- Publication number
- JPS62172797U JPS62172797U JP6015986U JP6015986U JPS62172797U JP S62172797 U JPS62172797 U JP S62172797U JP 6015986 U JP6015986 U JP 6015986U JP 6015986 U JP6015986 U JP 6015986U JP S62172797 U JPS62172797 U JP S62172797U
- Authority
- JP
- Japan
- Prior art keywords
- mud
- seal
- diameter side
- cutter
- addition
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015986U JPH0352875Y2 (https=) | 1986-04-23 | 1986-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015986U JPH0352875Y2 (https=) | 1986-04-23 | 1986-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62172797U true JPS62172797U (https=) | 1987-11-02 |
| JPH0352875Y2 JPH0352875Y2 (https=) | 1991-11-18 |
Family
ID=30892323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6015986U Expired JPH0352875Y2 (https=) | 1986-04-23 | 1986-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352875Y2 (https=) |
-
1986
- 1986-04-23 JP JP6015986U patent/JPH0352875Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352875Y2 (https=) | 1991-11-18 |