JPH0721287Y2 - 貫通錐 - Google Patents
貫通錐Info
- Publication number
- JPH0721287Y2 JPH0721287Y2 JP1989031035U JP3103589U JPH0721287Y2 JP H0721287 Y2 JPH0721287 Y2 JP H0721287Y2 JP 1989031035 U JP1989031035 U JP 1989031035U JP 3103589 U JP3103589 U JP 3103589U JP H0721287 Y2 JPH0721287 Y2 JP H0721287Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- line
- cone
- tip
- convex arc
- 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.)
- Expired - Lifetime
Links
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989031035U JPH0721287Y2 (ja) | 1989-03-17 | 1989-03-17 | 貫通錐 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989031035U JPH0721287Y2 (ja) | 1989-03-17 | 1989-03-17 | 貫通錐 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02121902U JPH02121902U (US07935154-20110503-C00006.png) | 1990-10-04 |
JPH0721287Y2 true JPH0721287Y2 (ja) | 1995-05-17 |
Family
ID=31256604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989031035U Expired - Lifetime JPH0721287Y2 (ja) | 1989-03-17 | 1989-03-17 | 貫通錐 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0721287Y2 (US07935154-20110503-C00006.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS518699A (ja) * | 1974-07-10 | 1976-01-23 | Yoshimasa Nagai | Tokobashiratateanasenkosochi |
-
1989
- 1989-03-17 JP JP1989031035U patent/JPH0721287Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS518699A (ja) * | 1974-07-10 | 1976-01-23 | Yoshimasa Nagai | Tokobashiratateanasenkosochi |
Also Published As
Publication number | Publication date |
---|---|
JPH02121902U (US07935154-20110503-C00006.png) | 1990-10-04 |
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