JPS6196615U - - Google Patents
Info
- Publication number
- JPS6196615U JPS6196615U JP17947984U JP17947984U JPS6196615U JP S6196615 U JPS6196615 U JP S6196615U JP 17947984 U JP17947984 U JP 17947984U JP 17947984 U JP17947984 U JP 17947984U JP S6196615 U JPS6196615 U JP S6196615U
- Authority
- JP
- Japan
- Prior art keywords
- drilling
- cutting blade
- drilling tool
- blade
- outer periphery
- 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 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Drilling Tools (AREA)
Description
第１図ａ，ｂ，ｃは本考案の１実施例をあらわ
す正面図、背面図および側面図、第２図は異なる
実施例をあらわす側面図、第３図ａ，ｂはさらに
異なる実施例をあらわす側面図および正面図、第
４図は従来の穿孔工具による穿孔例をあらわす説
明図、第５図ａ，ｂは本考案にかかる穿孔工具で
穿孔した例をあらわす説明図である。
１…穿孔工具、２…ドリル、３…リング状切刃
部、５…本体、６…円筒部、７…張出部、９…斜
面部、１１…シヤンク、１５…面取り刃、１６…
切欠き部。
Figures 1a, b, and c are front, rear, and side views of one embodiment of the present invention, Figure 2 is a side view of a different embodiment, and Figures 3a and b are views of a further different embodiment. 4 is an explanatory diagram showing an example of drilling with a conventional drilling tool, and FIGS. 5a and 5b are explanatory diagrams showing an example of drilling with a drilling tool according to the present invention. DESCRIPTION OF SYMBOLS 1... Drilling tool, 2... Drill, 3... Ring-shaped cutting edge part, 5... Main body, 6... Cylindrical part, 7... Overhang part, 9... Slope part, 11... Shank, 15... Chamfering blade, 16...
Notch part.
Claims (1)
で穿孔を行なう穿孔工具において、前記穿孔用の
切刃の後方に、該切刃よりも外方に位置する面取
り刃を設けたことを特徴とする穿孔工具。 A drilling tool that performs drilling with a cutting blade provided on the outer periphery while rotating around an axis, characterized in that a chamfered blade is provided behind the drilling cutting blade and located outward from the cutting blade. A drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17947984U JPS6196615U (en) | 1984-11-27 | 1984-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17947984U JPS6196615U (en) | 1984-11-27 | 1984-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196615U true JPS6196615U (en) | 1986-06-21 |
Family
ID=30737043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17947984U Pending JPS6196615U (en) | 1984-11-27 | 1984-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196615U (en) |
-
1984
- 1984-11-27 JP JP17947984U patent/JPS6196615U/ja active Pending