JPS58188115U - drill with oil hole - Google Patents
drill with oil holeInfo
- Publication number
- JPS58188115U JPS58188115U JP8485482U JP8485482U JPS58188115U JP S58188115 U JPS58188115 U JP S58188115U JP 8485482 U JP8485482 U JP 8485482U JP 8485482 U JP8485482 U JP 8485482U JP S58188115 U JPS58188115 U JP S58188115U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- oil hole
- cutting edge
- drill body
- oil chamber
- 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
Landscapes
- Drilling Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の油室付きドリルの一例を示せ一部省略正
面図、第２図はその底面視図、第３図は従来の油室付き
ドリルの他の例を示す一部省略正面図、第４図はその底
面視図、第５図はこの考案の一実施例を示す一部省略正
面図、第６図はその底面視図、第７図はこの考案の他の
二つの実施例を同時に示す要部の拡大底面親図である。
２１・・・・・・ドリル本体、２２ａ・・・・・・切刃
、２２ｂ・・・・・・内端縁、２４・・・・・・油室、
０・・・・・・軸線。Fig. 1 is a partially omitted front view showing an example of a conventional drill with an oil chamber, Fig. 2 is a bottom view thereof, and Fig. 3 is a partially omitted front view showing another example of a conventional drill with an oil chamber. , FIG. 4 is a bottom view of the device, FIG. 5 is a partially omitted front view showing one embodiment of this device, FIG. 6 is a bottom view of the device, and FIG. 7 is a view of two other embodiments of this device. FIG. 2 is an enlarged bottom view of the main parts. 21... Drill body, 22a... Cutting blade, 22b... Inner edge, 24... Oil chamber,
0... Axis line.
Claims (1)
ほぼ接する切刃を形成するとともに、前記ドリル本体に
、先端開口部が前記切刃の内端縁に底面視においてほぼ
接し、かつ前記ドリル本体の軸線に関して前記切刃と逆
側に位置するようにして油室を形成してなることを特徴
とする油室付きドリル。A cutting edge is formed at the tip of the drill body, the inner edge of which is substantially in contact with the axis of the drill body, and the tip opening is substantially in contact with the inner edge of the cutting edge in bottom view, and A drill with an oil chamber, characterized in that the oil chamber is formed so as to be located on the opposite side of the cutting edge with respect to the axis of the drill body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8485482U JPS58188115U (en) | 1982-06-08 | 1982-06-08 | drill with oil hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8485482U JPS58188115U (en) | 1982-06-08 | 1982-06-08 | drill with oil hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58188115U true JPS58188115U (en) | 1983-12-14 |
| JPS61977Y2 JPS61977Y2 (en) | 1986-01-14 |
Family
ID=30093776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8485482U Granted JPS58188115U (en) | 1982-06-08 | 1982-06-08 | drill with oil hole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58188115U (en) |
-
1982
- 1982-06-08 JP JP8485482U patent/JPS58188115U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61977Y2 (en) | 1986-01-14 |
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