JPS62181691U - - Google Patents
Info
- Publication number
- JPS62181691U JPS62181691U JP6971386U JP6971386U JPS62181691U JP S62181691 U JPS62181691 U JP S62181691U JP 6971386 U JP6971386 U JP 6971386U JP 6971386 U JP6971386 U JP 6971386U JP S62181691 U JPS62181691 U JP S62181691U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- recess
- opens
- drill body
- drill
- 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 1
- 238000007373 indentation Methods 0.000 description 1
Description
第１図は本考案の実施例の正面図、第２図は平
面部分図、第３図は断面部分図、第４図は端面図
である。
２……排出孔、３……ドリル本体、５……切刃
、６……ランド、７……くぼみ、８……底面、９
，９ａ……破砕縁、１０……枝孔。
FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is a partial plan view, FIG. 3 is a partial cross-sectional view, and FIG. 4 is an end view. 2...Discharge hole, 3...Drill body, 5...Cutting blade, 6...Land, 7...Indentation, 8...Bottom surface, 9
, 9a... Fracture edge, 10... Branch hole.
Claims (1)
放したくぼみを形成し、ドリル本体の内部に形成
した排出孔の先端を前記くぼみに開口させた穿孔
用ドリル。 A drilling drill in which a recess is formed at the tip of the drill body and opens to the tip and outer surfaces, and the tip of a discharge hole formed inside the drill body opens into the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971386U JPS62181691U (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971386U JPS62181691U (en) | 1986-05-09 | 1986-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62181691U true JPS62181691U (en) | 1987-11-18 |
Family
ID=30910698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6971386U Pending JPS62181691U (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62181691U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062474A (en) * | 1992-06-18 | 1994-01-11 | Ohbayashi Corp | Boring device |
| JP2010229722A (en) * | 2009-03-27 | 2010-10-14 | Nittoku Kikai Kogyo Kk | Excavating bit |
| JP2020525678A (en) * | 2017-06-27 | 2020-08-27 | ヒルティ アクチエンゲゼルシャフト | Drills for rock chiseling |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55156884U (en) * | 1979-04-27 | 1980-11-11 |
-
1986
- 1986-05-09 JP JP6971386U patent/JPS62181691U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55156884U (en) * | 1979-04-27 | 1980-11-11 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062474A (en) * | 1992-06-18 | 1994-01-11 | Ohbayashi Corp | Boring device |
| JP2010229722A (en) * | 2009-03-27 | 2010-10-14 | Nittoku Kikai Kogyo Kk | Excavating bit |
| JP2020525678A (en) * | 2017-06-27 | 2020-08-27 | ヒルティ アクチエンゲゼルシャフト | Drills for rock chiseling |