JPS60194410U - double-blade drill - Google Patents
double-blade drillInfo
- Publication number
- JPS60194410U JPS60194410U JP8151784U JP8151784U JPS60194410U JP S60194410 U JPS60194410 U JP S60194410U JP 8151784 U JP8151784 U JP 8151784U JP 8151784 U JP8151784 U JP 8151784U JP S60194410 U JPS60194410 U JP S60194410U
- Authority
- JP
- Japan
- Prior art keywords
- double
- chip discharge
- blade drill
- drill
- tip
- 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)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示す一部省略側面図、第
２図は従来の二枚刃のドリルの一例を示す一部省略側面
図、第３図は第２図の■矢視図、第４図は第１図の■矢
視図、第５図は第４図の■−ｖ線矢視断面図である。
１１・・・・・・ドル本体、１２・・・・・・切刃、１
３・・・・・・切屑排出溝、１４・・・・・・チゼル部
シ １５・・・・・・溝。Fig. 1 is a partially omitted side view showing an embodiment of this invention, Fig. 2 is a partially omitted side view showing an example of a conventional two-blade drill, and Fig. 3 is viewed from the ■ arrow in Fig. 2. FIG. 4 is a view taken along the arrow ■ in FIG. 1, and FIG. 5 is a sectional view taken along the line ■-v in FIG. 11... Dollar body, 12... Cutting blade, 1
3...Chip discharge groove, 14...Chisel section 15...Groove.
Claims (1)
の切刃のそれぞれに対応するようにして前記ドリル本体
の外周部にねじれを有する２つの切屑排出溝を形成して
なる二枚刃のドリルにおい□ て、前記２つの切屑排
出溝をそれぞれ画成する各壁面の先端部を各切屑排出溝
のねじれに沿って切り落してシンニングを施したことを
特徴とする二枚刃のドリル。Two cutting edges are formed at the tip of the drill body, and two twisted chip discharge grooves are formed at the outer periphery of the drill body so as to correspond to each of these two cutting edges. A two-blade drill, characterized in that the tip of each wall surface defining each of the two chip discharge grooves is thinned by cutting off along the twist of each chip discharge groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8151784U JPS60194410U (en) | 1984-06-01 | 1984-06-01 | double-blade drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8151784U JPS60194410U (en) | 1984-06-01 | 1984-06-01 | double-blade drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60194410U true JPS60194410U (en) | 1985-12-25 |
Family
ID=30628371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8151784U Pending JPS60194410U (en) | 1984-06-01 | 1984-06-01 | double-blade drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60194410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008500190A (en) * | 2004-05-28 | 2008-01-10 | ケンナメタル インコーポレイテッド | Drills, especially twist drills |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017B2 (en) * | 1979-01-10 | 1985-01-05 | 第一糖業株式会社 | Method for producing pudding using amazake as raw material |
-
1984
- 1984-06-01 JP JP8151784U patent/JPS60194410U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017B2 (en) * | 1979-01-10 | 1985-01-05 | 第一糖業株式会社 | Method for producing pudding using amazake as raw material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008500190A (en) * | 2004-05-28 | 2008-01-10 | ケンナメタル インコーポレイテッド | Drills, especially twist drills |
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