JPS61152343U - - Google Patents
Info
- Publication number
- JPS61152343U JPS61152343U JP3615185U JP3615185U JPS61152343U JP S61152343 U JPS61152343 U JP S61152343U JP 3615185 U JP3615185 U JP 3615185U JP 3615185 U JP3615185 U JP 3615185U JP S61152343 U JPS61152343 U JP S61152343U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- punch
- drilling
- tip
- utility
- 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
- 238000005553 drilling Methods 0.000 claims description 4
Landscapes
- Percussive Tools And Related Accessories (AREA)
- Punching Or Piercing (AREA)
Description
第1図は本考案に係るパンチの斜視図、第2図
はこのパンチの正面図、第3図はパンチによる穿
孔作業の様子を示す斜視図、第4図a乃至eは穿
孔状態の詳細を示す部分断面図、第5図は従来の
パンチによつて穿孔作業を実施する状況を示す斜
視図である。
7……パンチ、10……突部、11……切刃。
Fig. 1 is a perspective view of the punch according to the present invention, Fig. 2 is a front view of the punch, Fig. 3 is a perspective view showing how the punch performs drilling work, and Figs. 4 a to e show details of the drilling state. FIG. 5 is a partially sectional view and a perspective view showing a situation in which a conventional punch performs a drilling operation. 7... Punch, 10... Projection, 11... Cutting blade.
Claims (1)
部に環状に形成された切刃とを有する穿孔用パン
チ。 A punch for drilling, which has a protrusion tapered at its tip and a cutting edge formed in an annular shape at the base of the protrusion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3615185U JPS61152343U (en) | 1985-03-15 | 1985-03-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3615185U JPS61152343U (en) | 1985-03-15 | 1985-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61152343U true JPS61152343U (en) | 1986-09-20 |
Family
ID=30541078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3615185U Pending JPS61152343U (en) | 1985-03-15 | 1985-03-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61152343U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5721432B2 (en) * | 1978-04-03 | 1982-05-07 | ||
JPS58163532A (en) * | 1982-03-23 | 1983-09-28 | Nissan Motor Co Ltd | Piercing punch having scrap breaker |
-
1985
- 1985-03-15 JP JP3615185U patent/JPS61152343U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5721432B2 (en) * | 1978-04-03 | 1982-05-07 | ||
JPS58163532A (en) * | 1982-03-23 | 1983-09-28 | Nissan Motor Co Ltd | Piercing punch having scrap breaker |