JPS6299693U - - Google Patents
Info
- Publication number
- JPS6299693U JPS6299693U JP19145585U JP19145585U JPS6299693U JP S6299693 U JPS6299693 U JP S6299693U JP 19145585 U JP19145585 U JP 19145585U JP 19145585 U JP19145585 U JP 19145585U JP S6299693 U JPS6299693 U JP S6299693U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- recess
- cutting edge
- utility
- registration request
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Description
第１図及び第２図はそれぞれ本考案の第１実施
例及び第２実施例を示す側面図、第３図及び第４
図はそれぞれ前記第１実施例及び第２実施例の作
用を説明するための図、第５図ないし第８図は従
来例を示す図である。
１１，２１……超硬チツプ刃体、１２，２２…
…先端刃先部、１３，２３……凹部。
1 and 2 are side views showing the first and second embodiments of the present invention, and FIGS.
The figures are diagrams for explaining the functions of the first embodiment and the second embodiment, respectively, and FIGS. 5 to 8 are diagrams showing conventional examples. 11, 21... Carbide tip blade body, 12, 22...
...Front cutting edge, 13, 23... recess.
Claims (1)
刃先とするロツクビツト用超硬チツプ刃体におい
て、前記先端部に凹部を設けたことを特徴とする
ロツクビツト用超硬チツプ刃体。 1. A carbide tip blade for lock bits in which the tip of a columnar body is formed into a hemispherical shape and the tip serves as a cutting edge, characterized in that a recess is provided in the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19145585U JPS6299693U (en) | 1985-12-12 | 1985-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19145585U JPS6299693U (en) | 1985-12-12 | 1985-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6299693U true JPS6299693U (en) | 1987-06-25 |
Family
ID=31145615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19145585U Pending JPS6299693U (en) | 1985-12-12 | 1985-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6299693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013506780A (en) * | 2009-10-05 | 2013-02-28 | アトラス コプコ セコロック アクチボラゲット | Hard metal insert of impact drill bit and method of polishing hard metal insert |
| JP2014214426A (en) * | 2013-04-22 | 2014-11-17 | 三菱マテリアル株式会社 | Excavation chip and excavation tool using the same |
-
1985
- 1985-12-12 JP JP19145585U patent/JPS6299693U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013506780A (en) * | 2009-10-05 | 2013-02-28 | アトラス コプコ セコロック アクチボラゲット | Hard metal insert of impact drill bit and method of polishing hard metal insert |
| JP2014214426A (en) * | 2013-04-22 | 2014-11-17 | 三菱マテリアル株式会社 | Excavation chip and excavation tool using the same |