JPS6347814U - - Google Patents
Info
- Publication number
- JPS6347814U JPS6347814U JP14143786U JP14143786U JPS6347814U JP S6347814 U JPS6347814 U JP S6347814U JP 14143786 U JP14143786 U JP 14143786U JP 14143786 U JP14143786 U JP 14143786U JP S6347814 U JPS6347814 U JP S6347814U
- Authority
- JP
- Japan
- Prior art keywords
- heel
- helical
- utility
- outer periphery
- 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.)
- Pending
Links
Landscapes
- Drilling Tools (AREA)
Description
第１図および第２図は本考案に係る一実施例を
示すもので、第１図は側面図、第２図は第１図の
Ｐ矢視図である。
また、図中の符号で、１はドリル、２は切刃、
３はねじれ溝、４はヒールである。
FIGS. 1 and 2 show an embodiment of the present invention, with FIG. 1 being a side view and FIG. 2 being a view taken along arrow P in FIG. Also, in the symbols in the figure, 1 is a drill, 2 is a cutting blade,
3 is a twisted groove, and 4 is a heel.
Claims (1)
ルの外周に設けたことを特徴とするドリル。 A drill characterized by having a helical groove on the outer periphery of the heel with a helical angle opposite to that of the cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14143786U JPS6347814U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14143786U JPS6347814U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347814U true JPS6347814U (en) | 1988-03-31 |
Family
ID=31049219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14143786U Pending JPS6347814U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4919527B1 (en) * | 2011-09-14 | 2012-04-18 | 健治郎 楠 | Drill |
| JP2017052051A (en) * | 2015-09-09 | 2017-03-16 | 三菱マテリアル株式会社 | drill |
-
1986
- 1986-09-17 JP JP14143786U patent/JPS6347814U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4919527B1 (en) * | 2011-09-14 | 2012-04-18 | 健治郎 楠 | Drill |
| JP2013075355A (en) * | 2011-09-14 | 2013-04-25 | Kenjiro Kusunoki | Drill |
| JP2017052051A (en) * | 2015-09-09 | 2017-03-16 | 三菱マテリアル株式会社 | drill |