JPH0463205U - - Google Patents
Info
- Publication number
- JPH0463205U JPH0463205U JP10548590U JP10548590U JPH0463205U JP H0463205 U JPH0463205 U JP H0463205U JP 10548590 U JP10548590 U JP 10548590U JP 10548590 U JP10548590 U JP 10548590U JP H0463205 U JPH0463205 U JP H0463205U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- center
- drill bit
- cutting
- edge
- 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
- 238000005553 drilling Methods 0.000 claims 2
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990105485U JPH0727127Y2 (ja) | 1990-10-05 | 1990-10-05 | 二段穿穴用錐刃 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990105485U JPH0727127Y2 (ja) | 1990-10-05 | 1990-10-05 | 二段穿穴用錐刃 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0463205U true JPH0463205U (zh) | 1992-05-29 |
JPH0727127Y2 JPH0727127Y2 (ja) | 1995-06-21 |
Family
ID=31851185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990105485U Expired - Lifetime JPH0727127Y2 (ja) | 1990-10-05 | 1990-10-05 | 二段穿穴用錐刃 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0727127Y2 (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4420795Y1 (zh) * | 1965-09-15 | 1969-09-04 |
-
1990
- 1990-10-05 JP JP1990105485U patent/JPH0727127Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4420795Y1 (zh) * | 1965-09-15 | 1969-09-04 |
Also Published As
Publication number | Publication date |
---|---|
JPH0727127Y2 (ja) | 1995-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |