JPS6419694U - - Google Patents
Info
- Publication number
- JPS6419694U JPS6419694U JP11011487U JP11011487U JPS6419694U JP S6419694 U JPS6419694 U JP S6419694U JP 11011487 U JP11011487 U JP 11011487U JP 11011487 U JP11011487 U JP 11011487U JP S6419694 U JPS6419694 U JP S6419694U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- lip
- tunnel machine
- dust
- tip
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims description 4
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11011487U JPS6419694U (un) | 1987-07-20 | 1987-07-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11011487U JPS6419694U (un) | 1987-07-20 | 1987-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6419694U true JPS6419694U (un) | 1989-01-31 |
Family
ID=31346978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11011487U Pending JPS6419694U (un) | 1987-07-20 | 1987-07-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6419694U (un) |
-
1987
- 1987-07-20 JP JP11011487U patent/JPS6419694U/ja active Pending