JPS61116892U - - Google Patents
Info
- Publication number
- JPS61116892U JPS61116892U JP19684384U JP19684384U JPS61116892U JP S61116892 U JPS61116892 U JP S61116892U JP 19684384 U JP19684384 U JP 19684384U JP 19684384 U JP19684384 U JP 19684384U JP S61116892 U JPS61116892 U JP S61116892U
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- bit
- utility
- model registration
- chips
- 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
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000005553 drilling Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19684384U JPS61116892U (no) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19684384U JPS61116892U (no) | 1984-12-28 | 1984-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61116892U true JPS61116892U (no) | 1986-07-23 |
Family
ID=30754743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19684384U Pending JPS61116892U (no) | 1984-12-28 | 1984-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61116892U (no) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56142989A (en) * | 1980-04-03 | 1981-11-07 | Toyo Kogyo Co | Drilling bit |
JPS56142991A (en) * | 1980-04-03 | 1981-11-07 | Toyo Kogyo Co | Drilling bit |
-
1984
- 1984-12-28 JP JP19684384U patent/JPS61116892U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56142989A (en) * | 1980-04-03 | 1981-11-07 | Toyo Kogyo Co | Drilling bit |
JPS56142991A (en) * | 1980-04-03 | 1981-11-07 | Toyo Kogyo Co | Drilling bit |
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