JPS6180884U - - Google Patents
Info
- Publication number
- JPS6180884U JPS6180884U JP16636984U JP16636984U JPS6180884U JP S6180884 U JPS6180884 U JP S6180884U JP 16636984 U JP16636984 U JP 16636984U JP 16636984 U JP16636984 U JP 16636984U JP S6180884 U JPS6180884 U JP S6180884U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- rotating
- rotary bit
- excavates
- rollers
- 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
- 239000000919 ceramic Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16636984U JPS6180884U (fr) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16636984U JPS6180884U (fr) | 1984-10-31 | 1984-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6180884U true JPS6180884U (fr) | 1986-05-29 |
Family
ID=30724189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16636984U Pending JPS6180884U (fr) | 1984-10-31 | 1984-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6180884U (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4812815U (fr) * | 1971-06-21 | 1973-02-13 | ||
JPS49111802A (fr) * | 1973-02-07 | 1974-10-24 |
-
1984
- 1984-10-31 JP JP16636984U patent/JPS6180884U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4812815U (fr) * | 1971-06-21 | 1973-02-13 | ||
JPS49111802A (fr) * | 1973-02-07 | 1974-10-24 |